#pragma once

#ifdef IMGUI_USER_CONFIG
#include IMGUI_USER_CONFIG
#endif
#if !defined(IMGUI_DISABLE_INCLUDE_IMCONFIG_H) || defined(IMGUI_INCLUDE_IMCONFIG_H)
#include "imconfig.h"
#endif

#ifndef IMGUI_DISABLE

#include <float.h>                    
#include <stdarg.h>                    
#include <stddef.h>                   
#include <string.h>                        

#include <vector> 
#include <string>

#define IMGUI_VERSION               "1.81 WIP"
#define IMGUI_VERSION_NUM           18003
#define IMGUI_CHECKVERSION()        ImGui::DebugCheckVersionAndDataLayout(IMGUI_VERSION, sizeof(ImGuiIO), sizeof(ImGuiStyle), sizeof(ImVec2), sizeof(ImVec4), sizeof(ImDrawVert), sizeof(ImDrawIdx))
#define IMGUI_HAS_TABLE

#ifndef IMGUI_API
#define IMGUI_API
#endif
#ifndef IMGUI_IMPL_API
#define IMGUI_IMPL_API              IMGUI_API
#endif

#ifndef IM_ASSERT
#include <assert.h>
#define IM_ASSERT(_EXPR)            assert(_EXPR)                                         
#endif
#define IM_ARRAYSIZE(_ARR)          ((int)(sizeof(_ARR) / sizeof(*(_ARR))))               
#define IM_UNUSED(_VAR)             ((void)(_VAR))                                               
#if (__cplusplus >= 201100) || (defined(_MSVC_LANG) && _MSVC_LANG >= 201100)
#define IM_OFFSETOF(_TYPE,_MEMBER)  offsetof(_TYPE, _MEMBER)                              
#else
#define IM_OFFSETOF(_TYPE,_MEMBER)  ((size_t)&(((_TYPE*)0)->_MEMBER))                   
#endif

#if !defined(IMGUI_USE_STB_SPRINTF) && defined(__clang__)
#define IM_FMTARGS(FMT)             __attribute__((format(printf, FMT, FMT+1)))
#define IM_FMTLIST(FMT)             __attribute__((format(printf, FMT, 0)))
#elif !defined(IMGUI_USE_STB_SPRINTF) && defined(__GNUC__) && defined(__MINGW32__)
#define IM_FMTARGS(FMT)             __attribute__((format(gnu_printf, FMT, FMT+1)))
#define IM_FMTLIST(FMT)             __attribute__((format(gnu_printf, FMT, 0)))
#else
#define IM_FMTARGS(FMT)
#define IM_FMTLIST(FMT)
#endif

#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wold-style-cast"
#if __has_warning("-Wzero-as-null-pointer-constant")
#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant"
#endif
#elif defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wpragmas"                  
#pragma GCC diagnostic ignored "-Wclass-memaccess"                      
#endif

struct ImDrawChannel;                             
struct ImDrawCmd;                                       
struct ImDrawData;                                    
struct ImDrawList;                                     
struct ImDrawListSharedData;                          
struct ImDrawListSplitter;                              
struct ImDrawVert;                                   
struct ImFont;                                
struct ImFontAtlas;                                
struct ImFontBuilderIO;                      
struct ImFontConfig;                         
struct ImFontGlyph;                              
struct ImFontGlyphRangesBuilder;            
struct ImColor;                                        
struct ImGuiContext;                        
struct ImGuiIO;                              
struct ImGuiInputTextCallbackData;            
struct ImGuiListClipper;                    
struct ImGuiOnceUponAFrame;                          
struct ImGuiPayload;                        
struct ImGuiSizeCallbackData;              
struct ImGuiStorage;                    
struct ImGuiStyle;                      
struct ImGuiTableSortSpecs;                        
struct ImGuiTableColumnSortSpecs;           
struct ImGuiTextBuffer;                        
struct ImGuiTextFilter;                      

typedef int ImGuiCol;                                     
typedef int ImGuiCond;                                    
typedef int ImGuiDataType;                          
typedef int ImGuiDir;                                   
typedef int ImGuiKey;                                     
typedef int ImGuiNavInput;                           
typedef int ImGuiMouseButton;                       
typedef int ImGuiMouseCursor;                    
typedef int ImGuiSortDirection;                  
typedef int ImGuiStyleVar;                           
typedef int ImGuiTableBgTarget;                 
typedef int ImDrawCornerFlags;                  
typedef int ImDrawListFlags;                    
typedef int ImFontAtlasFlags;                   
typedef int ImGuiBackendFlags;                
typedef int ImGuiButtonFlags;                  
typedef int ImGuiColorEditFlags;              
typedef int ImGuiConfigFlags;                  
typedef int ImGuiComboFlags;                    
typedef int ImGuiDragDropFlags;               
typedef int ImGuiFocusedFlags;                
typedef int ImGuiHoveredFlags;                  
typedef int ImGuiInputTextFlags;             
typedef int ImGuiKeyModFlags;                   
typedef int ImGuiPopupFlags;                      
typedef int ImGuiSelectableFlags;          
typedef int ImGuiSliderFlags;                      
typedef int ImGuiTabBarFlags;                  
typedef int ImGuiTabItemFlags;                
typedef int ImGuiTableFlags;                    
typedef int ImGuiTableColumnFlags;        
typedef int ImGuiTableRowFlags;              
typedef int ImGuiTreeNodeFlags;                
typedef int ImGuiWindowFlags;                   

#ifndef ImTextureID                           
typedef void* ImTextureID;                                   
#endif
typedef unsigned int ImGuiID;                    
typedef int (*ImGuiInputTextCallback)(ImGuiInputTextCallbackData* data);        
typedef void (*ImGuiSizeCallback)(ImGuiSizeCallbackData* data);                 

typedef unsigned short ImWchar16;                    
typedef unsigned int ImWchar32;                      
#ifdef IMGUI_USE_WCHAR32                          
typedef ImWchar32 ImWchar;
#else
typedef ImWchar16 ImWchar;
#endif

typedef signed char         ImS8;      
typedef unsigned char       ImU8;      
typedef signed short        ImS16;     
typedef unsigned short      ImU16;     
typedef signed int          ImS32;       
typedef unsigned int        ImU32;           
#if defined(_MSC_VER) && !defined(__clang__)
typedef signed   __int64    ImS64;            
typedef unsigned __int64    ImU64;            
#elif (defined(__clang__) || defined(__GNUC__)) && (__cplusplus < 201100)
#include <stdint.h>
typedef int64_t             ImS64;       
typedef uint64_t            ImU64;       
#else
typedef signed   long long  ImS64;       
typedef unsigned long long  ImU64;       
#endif

struct ImVec2
{
    float                                   x, y;
    ImVec2()                                { x = y = 0.0f; }
    ImVec2(float _x, float _y)              { x = _x; y = _y; }
    float  operator[] (size_t idx) const    { IM_ASSERT(idx <= 1); return (&x)[idx]; }                
    float& operator[] (size_t idx)          { IM_ASSERT(idx <= 1); return (&x)[idx]; }                
#ifdef IM_VEC2_CLASS_EXTRA
    IM_VEC2_CLASS_EXTRA                         
#endif
};

struct ImVec4
{
    float                                           x, y, z, w;
    ImVec4()                                        { x = y = z = w = 0.0f; }
    ImVec4(float _x, float _y, float _z, float _w)  { x = _x; y = _y; z = _z; w = _w; }
#ifdef IM_VEC4_CLASS_EXTRA
    IM_VEC4_CLASS_EXTRA                         
#endif
};

namespace ImGui
{
    IMGUI_API ImGuiContext* CreateContext(ImFontAtlas* shared_font_atlas = NULL);
    IMGUI_API void          DestroyContext(ImGuiContext* ctx = NULL);        
    IMGUI_API ImGuiContext* GetCurrentContext();
    IMGUI_API void          SetCurrentContext(ImGuiContext* ctx);

    IMGUI_API ImGuiIO&      GetIO();                                              
    IMGUI_API ImGuiStyle&   GetStyle();                                               
    IMGUI_API void          NewFrame();                                                 
    IMGUI_API void          EndFrame();                                                                                 
    IMGUI_API void          Render();                                                  
    IMGUI_API ImDrawData*   GetDrawData();                                               

    IMGUI_API void          ShowDemoWindow(bool* p_open = NULL);                               
    IMGUI_API void          ShowMetricsWindow(bool* p_open = NULL);                   
    IMGUI_API void          ShowAboutWindow(bool* p_open = NULL);                  
    IMGUI_API void          ShowStyleEditor(ImGuiStyle* ref = NULL);                                 
    IMGUI_API bool          ShowStyleSelector(const char* label);                     
    IMGUI_API void          ShowFontSelector(const char* label);                      
    IMGUI_API void          ShowUserGuide();                                            
    IMGUI_API const char*   GetVersion();                                                  

    IMGUI_API void          StyleColorsDark(ImGuiStyle* dst = NULL);        
    IMGUI_API void          StyleColorsLight(ImGuiStyle* dst = NULL);            
    IMGUI_API void          StyleColorsClassic(ImGuiStyle* dst = NULL);    

    IMGUI_API bool          Begin(const char* name, bool* p_open = NULL, ImGuiWindowFlags flags = 0);
    IMGUI_API void          End();

    IMGUI_API bool          BeginChild(const char* str_id, const ImVec2& size = ImVec2(0, 0), bool border = false, ImGuiWindowFlags flags = 0);
    IMGUI_API bool          BeginChild(ImGuiID id, const ImVec2& size = ImVec2(0, 0), bool border = false, ImGuiWindowFlags flags = 0);
    IMGUI_API void          EndChild();

    IMGUI_API bool          IsWindowAppearing();
    IMGUI_API bool          IsWindowCollapsed();
    IMGUI_API bool          IsWindowFocused(ImGuiFocusedFlags flags=0);               
    IMGUI_API bool          IsWindowHovered(ImGuiHoveredFlags flags=0);                                               
    IMGUI_API ImDrawList*   GetWindowDrawList();                                      
    IMGUI_API ImVec2        GetWindowPos();                                                 
    IMGUI_API ImVec2        GetWindowSize();                                
    IMGUI_API float         GetWindowWidth();                                  
    IMGUI_API float         GetWindowHeight();                                 

    IMGUI_API void          SetNextWindowPos(const ImVec2& pos, ImGuiCond cond = 0, const ImVec2& pivot = ImVec2(0, 0));                
    IMGUI_API void          SetNextWindowSize(const ImVec2& size, ImGuiCond cond = 0);                                    
    IMGUI_API void          SetNextWindowSizeConstraints(const ImVec2& size_min, const ImVec2& size_max, ImGuiSizeCallback custom_callback = NULL, void* custom_callback_data = NULL);                             
    IMGUI_API void          SetNextWindowContentSize(const ImVec2& size);                                                                     
    IMGUI_API void          SetNextWindowCollapsed(bool collapsed, ImGuiCond cond = 0);                         
    IMGUI_API void          SetNextWindowFocus();                                                                  
    IMGUI_API void          SetNextWindowBgAlpha(float alpha);                                                              
    IMGUI_API void          SetWindowPos(const ImVec2& pos, ImGuiCond cond = 0);                                            
    IMGUI_API void          SetWindowSize(const ImVec2& size, ImGuiCond cond = 0);                                                   
    IMGUI_API void          SetWindowCollapsed(bool collapsed, ImGuiCond cond = 0);                               
    IMGUI_API void          SetWindowFocus();                                                                        
    IMGUI_API void          SetWindowFontScale(float scale);                                                                          
    IMGUI_API void          SetWindowPos(const char* name, const ImVec2& pos, ImGuiCond cond = 0);          
    IMGUI_API void          SetWindowSize(const char* name, const ImVec2& size, ImGuiCond cond = 0);                   
    IMGUI_API void          SetWindowCollapsed(const char* name, bool collapsed, ImGuiCond cond = 0);        
    IMGUI_API void          SetWindowFocus(const char* name);                                                        

    IMGUI_API ImVec2        GetContentRegionAvail();                                            
    IMGUI_API ImVec2        GetContentRegionMax();                                                         
    IMGUI_API ImVec2        GetWindowContentRegionMin();                                            
    IMGUI_API ImVec2        GetWindowContentRegionMax();                                                   
    IMGUI_API float         GetWindowContentRegionWidth();                                  

    IMGUI_API float         GetScrollX();                                                         
    IMGUI_API float         GetScrollY();                                                         
    IMGUI_API void          SetScrollX(float scroll_x);                                           
    IMGUI_API void          SetScrollY(float scroll_y);                                           
    IMGUI_API float         GetScrollMaxX();                                                          
    IMGUI_API float         GetScrollMaxY();                                                          
    IMGUI_API void          SetScrollHereX(float center_x_ratio = 0.5f);                                               
    IMGUI_API void          SetScrollHereY(float center_y_ratio = 0.5f);                                               
    IMGUI_API void          SetScrollFromPosX(float local_x, float center_x_ratio = 0.5f);                   
    IMGUI_API void          SetScrollFromPosY(float local_y, float center_y_ratio = 0.5f);                   

    IMGUI_API void          PushFont(ImFont* font);                                                  
    IMGUI_API void          PopFont();
    IMGUI_API void          PushStyleColor(ImGuiCol idx, ImU32 col);                                      
    IMGUI_API void          PushStyleColor(ImGuiCol idx, const ImVec4& col);
    IMGUI_API void          PopStyleColor(int count = 1);
    IMGUI_API void          PushStyleVar(ImGuiStyleVar idx, float val);                                    
    IMGUI_API void          PushStyleVar(ImGuiStyleVar idx, const ImVec2& val);                            
    IMGUI_API void          PopStyleVar(int count = 1);
    IMGUI_API void          PushAllowKeyboardFocus(bool allow_keyboard_focus);                             
    IMGUI_API void          PopAllowKeyboardFocus();
    IMGUI_API void          PushButtonRepeat(bool repeat);                                                                     
    IMGUI_API void          PopButtonRepeat();

    IMGUI_API void          PushItemWidth(float item_width);                                                               
    IMGUI_API void          PopItemWidth();
    IMGUI_API void          SetNextItemWidth(float item_width);                                                            
    IMGUI_API float         CalcItemWidth();                                                                     
    IMGUI_API void          PushTextWrapPos(float wrap_local_pos_x = 0.0f);                                             
    IMGUI_API void          PopTextWrapPos();

    IMGUI_API ImFont*       GetFont();                                                         
    IMGUI_API float         GetFontSize();                                                                 
    IMGUI_API ImVec2        GetFontTexUvWhitePixel();                                                       
    IMGUI_API ImU32         GetColorU32(ImGuiCol idx, float alpha_mul = 1.0f);                                   
    IMGUI_API ImU32         GetColorU32(const ImVec4& col);                                                
    IMGUI_API ImU32         GetColorU32(ImU32 col);                                                        
    IMGUI_API const ImVec4& GetStyleColorVec4(ImGuiCol idx);                                                          

    IMGUI_API void          Separator();                                                                     
    IMGUI_API void          SameLine(float offset_from_start_x=0.0f, float spacing=-1.0f);                 
    IMGUI_API void          NewLine();                                                                   
    IMGUI_API void          Spacing();                                                         
    IMGUI_API void          Dummy(const ImVec2& size);                                                         
    IMGUI_API void          Indent(float indent_w = 0.0f);                                                
    IMGUI_API void          Unindent(float indent_w = 0.0f);                                               
    IMGUI_API void          BeginGroup();                                                       
    IMGUI_API void          EndGroup();                                                                                  
    IMGUI_API ImVec2        GetCursorPos();                                                          
    IMGUI_API float         GetCursorPosX();                                                               
    IMGUI_API float         GetCursorPosY();                                                            
    IMGUI_API void          SetCursorPos(const ImVec2& local_pos);                                    
    IMGUI_API void          SetCursorPosX(float local_x);                                            
    IMGUI_API void          SetCursorPosY(float local_y);                                   
    IMGUI_API ImVec2        GetCursorStartPos();                                                  
    IMGUI_API ImVec2        GetCursorScreenPos();                                                        
    IMGUI_API void          SetCursorScreenPos(const ImVec2& pos);                                 
    IMGUI_API void          AlignTextToFramePadding();                                                                   
    IMGUI_API float         GetTextLineHeight();                                              
    IMGUI_API float         GetTextLineHeightWithSpacing();                                              
    IMGUI_API float         GetFrameHeight();                                                     
    IMGUI_API float         GetFrameHeightWithSpacing();                                                      

    IMGUI_API void          PushID(const char* str_id);                                              
    IMGUI_API void          PushID(const char* str_id_begin, const char* str_id_end);                
    IMGUI_API void          PushID(const void* ptr_id);                                              
    IMGUI_API void          PushID(int int_id);                                                      
    IMGUI_API void          PopID();                                                             
    IMGUI_API ImGuiID       GetID(const char* str_id);                                                          
    IMGUI_API ImGuiID       GetID(const char* str_id_begin, const char* str_id_end);
    IMGUI_API ImGuiID       GetID(const void* ptr_id);

    IMGUI_API void          TextUnformatted(const char* text, const char* text_end = NULL);                                       
    IMGUI_API void          Text(const char* fmt, ...)                                      IM_FMTARGS(1);   
    IMGUI_API void          TextV(const char* fmt, va_list args)                            IM_FMTLIST(1);
    IMGUI_API void          TextColored(const ImVec4& col, const char* fmt, ...)            IM_FMTARGS(2);        
    IMGUI_API void          TextColoredV(const ImVec4& col, const char* fmt, va_list args)  IM_FMTLIST(2);
    IMGUI_API void          TextDisabled(const char* fmt, ...)                              IM_FMTARGS(1);        
    IMGUI_API void          TextDisabledV(const char* fmt, va_list args)                    IM_FMTLIST(1);
    IMGUI_API void          TextWrapped(const char* fmt, ...)                               IM_FMTARGS(1);                                   
    IMGUI_API void          TextWrappedV(const char* fmt, va_list args)                     IM_FMTLIST(1);
    IMGUI_API void          LabelText(const char* label, const char* fmt, ...)              IM_FMTARGS(2);          
    IMGUI_API void          LabelTextV(const char* label, const char* fmt, va_list args)    IM_FMTLIST(2);
    IMGUI_API void          BulletText(const char* fmt, ...)                                IM_FMTARGS(1);    
    IMGUI_API void          BulletTextV(const char* fmt, va_list args)                      IM_FMTLIST(1);

    IMGUI_API bool          Button(const char* label, const ImVec2& size = ImVec2(0, 0));    
    IMGUI_API bool          SmallButton(const char* label);                                         
    IMGUI_API bool          InvisibleButton(const char* str_id, const ImVec2& size, ImGuiButtonFlags flags = 0);                      
    IMGUI_API bool          ArrowButton(const char* str_id, ImGuiDir dir);                        
    IMGUI_API void          Image(ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0 = ImVec2(0, 0), const ImVec2& uv1 = ImVec2(1,1), const ImVec4& tint_col = ImVec4(1,1,1,1), const ImVec4& border_col = ImVec4(0,0,0,0));
    IMGUI_API bool          ImageButton(ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0 = ImVec2(0, 0),  const ImVec2& uv1 = ImVec2(1,1), int frame_padding = -1, const ImVec4& bg_col = ImVec4(0,0,0,0), const ImVec4& tint_col = ImVec4(1,1,1,1));               
    IMGUI_API bool          Checkbox(const char* label, bool* v);
    IMGUI_API bool          CheckboxFlags(const char* label, int* flags, int flags_value);
    IMGUI_API bool          CheckboxFlags(const char* label, unsigned int* flags, unsigned int flags_value);
    IMGUI_API bool          RadioButton(const char* label, bool active);                               
    IMGUI_API bool          RadioButton(const char* label, int* v, int v_button);                      
    IMGUI_API void          ProgressBar(float fraction, const ImVec2& size_arg = ImVec2(-FLT_MIN, 0), const char* overlay = NULL);
    IMGUI_API void          Bullet();                                                                              

    IMGUI_API bool          BeginCombo(const char* label, const char* preview_value, ImGuiComboFlags flags = 0);
    IMGUI_API void          EndCombo();        
    IMGUI_API bool          Combo(const char* label, int* current_item, const char* const items[], int items_count, int popup_max_height_in_items = -1);
    IMGUI_API bool          Combo(const char* label, int* current_item, const char* items_separated_by_zeros, int popup_max_height_in_items = -1);                   
    IMGUI_API bool          Combo(const char* label, int* current_item, bool(*items_getter)(void* data, int idx, const char** out_text), void* data, int items_count, int popup_max_height_in_items = -1);

    IMGUI_API bool          DragFloat(const char* label, float* v, float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* format = "%.3f", ImGuiSliderFlags flags = 0);             
    IMGUI_API bool          DragFloat2(const char* label, float v[2], float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* format = "%.3f", ImGuiSliderFlags flags = 0);
    IMGUI_API bool          DragFloat3(const char* label, float v[3], float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* format = "%.3f", ImGuiSliderFlags flags = 0);
    IMGUI_API bool          DragFloat4(const char* label, float v[4], float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* format = "%.3f", ImGuiSliderFlags flags = 0);
    IMGUI_API bool          DragFloatRange2(const char* label, float* v_current_min, float* v_current_max, float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* format = "%.3f", const char* format_max = NULL, ImGuiSliderFlags flags = 0);
    IMGUI_API bool          DragInt(const char* label, int* v, float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* format = "%d", ImGuiSliderFlags flags = 0);          
    IMGUI_API bool          DragInt2(const char* label, int v[2], float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* format = "%d", ImGuiSliderFlags flags = 0);
    IMGUI_API bool          DragInt3(const char* label, int v[3], float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* format = "%d", ImGuiSliderFlags flags = 0);
    IMGUI_API bool          DragInt4(const char* label, int v[4], float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* format = "%d", ImGuiSliderFlags flags = 0);
    IMGUI_API bool          DragIntRange2(const char* label, int* v_current_min, int* v_current_max, float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* format = "%d", const char* format_max = NULL, ImGuiSliderFlags flags = 0);
    IMGUI_API bool          DragScalar(const char* label, ImGuiDataType data_type, void* p_data, float v_speed, const void* p_min = NULL, const void* p_max = NULL, const char* format = NULL, ImGuiSliderFlags flags = 0);
    IMGUI_API bool          DragScalarN(const char* label, ImGuiDataType data_type, void* p_data, int components, float v_speed, const void* p_min = NULL, const void* p_max = NULL, const char* format = NULL, ImGuiSliderFlags flags = 0);

    IMGUI_API bool          SliderFloat(const char* label, float* v, float v_min, float v_max, const char* format = "%.3f", ImGuiSliderFlags flags = 0);                       
    IMGUI_API bool          SliderFloat2(const char* label, float v[2], float v_min, float v_max, const char* format = "%.3f", ImGuiSliderFlags flags = 0);
    IMGUI_API bool          SliderFloat3(const char* label, float v[3], float v_min, float v_max, const char* format = "%.3f", ImGuiSliderFlags flags = 0);
    IMGUI_API bool          SliderFloat4(const char* label, float v[4], float v_min, float v_max, const char* format = "%.3f", ImGuiSliderFlags flags = 0);
    IMGUI_API bool          SliderAngle(const char* label, float* v_rad, float v_degrees_min = -360.0f, float v_degrees_max = +360.0f, const char* format = "%.0f deg", ImGuiSliderFlags flags = 0);
    IMGUI_API bool          SliderInt(const char* label, int* v, int v_min, int v_max, const char* format = "%d", ImGuiSliderFlags flags = 0);
    IMGUI_API bool          SliderInt2(const char* label, int v[2], int v_min, int v_max, const char* format = "%d", ImGuiSliderFlags flags = 0);
    IMGUI_API bool          SliderInt3(const char* label, int v[3], int v_min, int v_max, const char* format = "%d", ImGuiSliderFlags flags = 0);
    IMGUI_API bool          SliderInt4(const char* label, int v[4], int v_min, int v_max, const char* format = "%d", ImGuiSliderFlags flags = 0);
    IMGUI_API bool          SliderScalar(const char* label, ImGuiDataType data_type, void* p_data, const void* p_min, const void* p_max, const char* format = NULL, ImGuiSliderFlags flags = 0);
    IMGUI_API bool          SliderScalarN(const char* label, ImGuiDataType data_type, void* p_data, int components, const void* p_min, const void* p_max, const char* format = NULL, ImGuiSliderFlags flags = 0);
    IMGUI_API bool          VSliderFloat(const char* label, const ImVec2& size, float* v, float v_min, float v_max, const char* format = "%.3f", ImGuiSliderFlags flags = 0);
    IMGUI_API bool          VSliderInt(const char* label, const ImVec2& size, int* v, int v_min, int v_max, const char* format = "%d", ImGuiSliderFlags flags = 0);
    IMGUI_API bool          VSliderScalar(const char* label, const ImVec2& size, ImGuiDataType data_type, void* p_data, const void* p_min, const void* p_max, const char* format = NULL, ImGuiSliderFlags flags = 0);

    IMGUI_API bool          TextInputComboBox(const char* id, char* buffer, size_t maxInputSize, const char* items[], size_t item_len, short showMaxItems);
    IMGUI_API bool TextInputComboBox(const char* id, char* buffer, size_t maxInputSize, std::vector<std::string> items, short showMaxItems);
    IMGUI_API bool          InputText(const char* label, char* buf, size_t buf_size, ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL);
    IMGUI_API bool          InputTextMultiline(const char* label, char* buf, size_t buf_size, const ImVec2& size = ImVec2(0, 0), ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL);
    IMGUI_API bool          InputTextWithHint(const char* label, const char* hint, char* buf, size_t buf_size, ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL);
    IMGUI_API bool          InputFloat(const char* label, float* v, float step = 0.0f, float step_fast = 0.0f, const char* format = "%.3f", ImGuiInputTextFlags flags = 0);
    IMGUI_API bool          InputFloat2(const char* label, float v[2], const char* format = "%.3f", ImGuiInputTextFlags flags = 0);
    IMGUI_API bool          InputFloat3(const char* label, float v[3], const char* format = "%.3f", ImGuiInputTextFlags flags = 0);
    IMGUI_API bool          InputFloat4(const char* label, float v[4], const char* format = "%.3f", ImGuiInputTextFlags flags = 0);
    IMGUI_API bool          InputInt(const char* label, int* v, int step = 1, int step_fast = 100, ImGuiInputTextFlags flags = 0);
    IMGUI_API bool          InputInt2(const char* label, int v[2], ImGuiInputTextFlags flags = 0);
    IMGUI_API bool          InputInt3(const char* label, int v[3], ImGuiInputTextFlags flags = 0);
    IMGUI_API bool          InputInt4(const char* label, int v[4], ImGuiInputTextFlags flags = 0);
    IMGUI_API bool          InputDouble(const char* label, double* v, double step = 0.0, double step_fast = 0.0, const char* format = "%.6f", ImGuiInputTextFlags flags = 0);
    IMGUI_API bool          InputScalar(const char* label, ImGuiDataType data_type, void* p_data, const void* p_step = NULL, const void* p_step_fast = NULL, const char* format = NULL, ImGuiInputTextFlags flags = 0);
    IMGUI_API bool          InputScalarN(const char* label, ImGuiDataType data_type, void* p_data, int components, const void* p_step = NULL, const void* p_step_fast = NULL, const char* format = NULL, ImGuiInputTextFlags flags = 0);

    IMGUI_API bool          ColorEdit3(const char* label, float col[3], ImGuiColorEditFlags flags = 0);
    IMGUI_API bool          ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flags = 0);
    IMGUI_API bool          ColorPicker3(const char* label, float col[3], ImGuiColorEditFlags flags = 0);
    IMGUI_API bool          ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags flags = 0, const float* ref_col = NULL);
    IMGUI_API bool          ColorButton(const char* desc_id, const ImVec4& col, ImGuiColorEditFlags flags = 0, ImVec2 size = ImVec2(0, 0));            
    IMGUI_API void          SetColorEditOptions(ImGuiColorEditFlags flags);                                                        

    IMGUI_API bool          TreeNode(const char* label);
    IMGUI_API bool          TreeNode(const char* str_id, const char* fmt, ...) IM_FMTARGS(2);                                       
    IMGUI_API bool          TreeNode(const void* ptr_id, const char* fmt, ...) IM_FMTARGS(2);    
    IMGUI_API bool          TreeNodeV(const char* str_id, const char* fmt, va_list args) IM_FMTLIST(2);
    IMGUI_API bool          TreeNodeV(const void* ptr_id, const char* fmt, va_list args) IM_FMTLIST(2);
    IMGUI_API bool          TreeNodeEx(const char* label, ImGuiTreeNodeFlags flags = 0);
    IMGUI_API bool          TreeNodeEx(const char* str_id, ImGuiTreeNodeFlags flags, const char* fmt, ...) IM_FMTARGS(3);
    IMGUI_API bool          TreeNodeEx(const void* ptr_id, ImGuiTreeNodeFlags flags, const char* fmt, ...) IM_FMTARGS(3);
    IMGUI_API bool          TreeNodeExV(const char* str_id, ImGuiTreeNodeFlags flags, const char* fmt, va_list args) IM_FMTLIST(3);
    IMGUI_API bool          TreeNodeExV(const void* ptr_id, ImGuiTreeNodeFlags flags, const char* fmt, va_list args) IM_FMTLIST(3);
    IMGUI_API void          TreePush(const char* str_id);                                                        
    IMGUI_API void          TreePush(const void* ptr_id = NULL);                                 
    IMGUI_API void          TreePop();                                                            
    IMGUI_API float         GetTreeNodeToLabelSpacing();                                                          
    IMGUI_API bool          CollapsingHeader(const char* label, ImGuiTreeNodeFlags flags = 0);                      
    IMGUI_API bool          CollapsingHeader(const char* label, bool* p_visible, ImGuiTreeNodeFlags flags = 0);                                  
    IMGUI_API void          SetNextItemOpen(bool is_open, ImGuiCond cond = 0);                       

    IMGUI_API bool          Selectable(const char* label, bool selected = false, ImGuiSelectableFlags flags = 0, const ImVec2& size = ImVec2(0, 0), bool ncolorhovered = 0);                                   
    IMGUI_API bool          Selectable(const char* label, bool* p_selected, ImGuiSelectableFlags flags = 0, const ImVec2& size = ImVec2(0, 0));                  

    IMGUI_API bool          BeginListBox(const char* label, const ImVec2& size = ImVec2(0, 0));      
    IMGUI_API void          EndListBox();                                                              
    IMGUI_API bool          ListBox(const char* label, int* current_item, const char* const items[], int items_count, int height_in_items = -1);
    IMGUI_API bool          ListBox(const char* label, int* current_item, bool (*items_getter)(void* data, int idx, const char** out_text), void* data, int items_count, int height_in_items = -1);

    IMGUI_API void          PlotLines(const char* label, const float* values, int values_count, int values_offset = 0, const char* overlay_text = NULL, float scale_min = FLT_MAX, float scale_max = FLT_MAX, ImVec2 graph_size = ImVec2(0, 0), int stride = sizeof(float));
    IMGUI_API void          PlotLines(const char* label, float(*values_getter)(void* data, int idx), void* data, int values_count, int values_offset = 0, const char* overlay_text = NULL, float scale_min = FLT_MAX, float scale_max = FLT_MAX, ImVec2 graph_size = ImVec2(0, 0));
    IMGUI_API void          PlotHistogram(const char* label, const float* values, int values_count, int values_offset = 0, const char* overlay_text = NULL, float scale_min = FLT_MAX, float scale_max = FLT_MAX, ImVec2 graph_size = ImVec2(0, 0), int stride = sizeof(float));
    IMGUI_API void          PlotHistogram(const char* label, float(*values_getter)(void* data, int idx), void* data, int values_count, int values_offset = 0, const char* overlay_text = NULL, float scale_min = FLT_MAX, float scale_max = FLT_MAX, ImVec2 graph_size = ImVec2(0, 0));

    IMGUI_API void          Value(const char* prefix, bool b);
    IMGUI_API void          Value(const char* prefix, int v);
    IMGUI_API void          Value(const char* prefix, unsigned int v);
    IMGUI_API void          Value(const char* prefix, float v, const char* float_format = NULL);

    IMGUI_API bool          BeginMenuBar();                                                                  
    IMGUI_API void          EndMenuBar();                                                              
    IMGUI_API bool          BeginMainMenuBar();                                                         
    IMGUI_API void          EndMainMenuBar();                                                          
    IMGUI_API bool          BeginMenu(const char* label, bool enabled = true);                             
    IMGUI_API void          EndMenu();                                                                 
    IMGUI_API bool          MenuItem(const char* label, const char* shortcut = NULL, bool selected = false, bool enabled = true);                   
    IMGUI_API bool          MenuItem(const char* label, const char* shortcut, bool* p_selected, bool enabled = true);                         

    IMGUI_API void          BeginTooltip();                                                                  
    IMGUI_API void          EndTooltip();
    IMGUI_API void          SetTooltip(const char* fmt, ...) IM_FMTARGS(1);                                   
    IMGUI_API void          SetTooltipV(const char* fmt, va_list args) IM_FMTLIST(1);

    IMGUI_API bool          BeginPopup(const char* str_id, ImGuiWindowFlags flags = 0);                                       
    IMGUI_API bool          BeginPopupModal(const char* name, bool* p_open = NULL, ImGuiWindowFlags flags = 0);               
    IMGUI_API void          EndPopup();                                                                                
    IMGUI_API void          OpenPopup(const char* str_id, ImGuiPopupFlags popup_flags = 0);                               
    IMGUI_API void          OpenPopupOnItemClick(const char* str_id = NULL, ImGuiPopupFlags popup_flags = 1);                               
    IMGUI_API void          CloseCurrentPopup();                                                                        
    IMGUI_API bool          BeginPopupContextItem(const char* str_id = NULL, ImGuiPopupFlags popup_flags = 1);                                                  
    IMGUI_API bool          BeginPopupContextWindow(const char* str_id = NULL, ImGuiPopupFlags popup_flags = 1);       
    IMGUI_API bool          BeginPopupContextVoid(const char* str_id = NULL, ImGuiPopupFlags popup_flags = 1);             
    IMGUI_API bool          IsPopupOpen(const char* str_id, ImGuiPopupFlags flags = 0);                                

    IMGUI_API bool          BeginTable(const char* str_id, int column, ImGuiTableFlags flags = 0, const ImVec2& outer_size = ImVec2(0.0f, 0.0f), float inner_width = 0.0f);
    IMGUI_API void          EndTable();                                        
    IMGUI_API void          TableNextRow(ImGuiTableRowFlags row_flags = 0, float min_row_height = 0.0f);          
    IMGUI_API bool          TableNextColumn();                                                
    IMGUI_API bool          TableSetColumnIndex(int column_n);                     
    IMGUI_API void          TableSetupColumn(const char* label, ImGuiTableColumnFlags flags = 0, float init_width_or_weight = 0.0f, ImU32 user_id = 0);
    IMGUI_API void          TableSetupScrollFreeze(int cols, int rows);         
    IMGUI_API void          TableHeadersRow();                                        
    IMGUI_API void          TableHeader(const char* label);                    
    IMGUI_API ImGuiTableSortSpecs* TableGetSortSpecs();                                   
    IMGUI_API int                   TableGetColumnCount();                              
    IMGUI_API int                   TableGetColumnIndex();                          
    IMGUI_API int                   TableGetRowIndex();                             
    IMGUI_API const char*           TableGetColumnName(int column_n = -1);                       
    IMGUI_API ImGuiTableColumnFlags TableGetColumnFlags(int column_n = -1);                      
    IMGUI_API void                  TableSetBgColor(ImGuiTableBgTarget target, ImU32 color, int column_n = -1);                

    IMGUI_API void          Columns(int count = 1, const char* id = NULL, bool border = true);
    IMGUI_API void          NextColumn();                                                                      
    IMGUI_API int           GetColumnIndex();                                                       
    IMGUI_API float         GetColumnWidth(int column_index = -1);                                         
    IMGUI_API void          SetColumnWidth(int column_index, float width);                                 
    IMGUI_API float         GetColumnOffset(int column_index = -1);                                                          
    IMGUI_API void          SetColumnOffset(int column_index, float offset_x);                                       
    IMGUI_API int           GetColumnsCount();

    IMGUI_API bool          BeginTabBar(const char* str_id, ImGuiTabBarFlags flags = 0);              
    IMGUI_API void          EndTabBar();                                                               
    IMGUI_API bool          BeginTabItem(const char* label, bool* p_open = NULL, ImGuiTabItemFlags flags = 0);           
    IMGUI_API void          EndTabItem();                                                              
    IMGUI_API bool          TabItemButton(const char* label, ImGuiTabItemFlags flags = 0);                        
    IMGUI_API void          SetTabItemClosed(const char* tab_or_docked_window_label);                                             

    IMGUI_API void          LogToTTY(int auto_open_depth = -1);                                      
    IMGUI_API void          LogToFile(int auto_open_depth = -1, const char* filename = NULL);       
    IMGUI_API void          LogToClipboard(int auto_open_depth = -1);                                
    IMGUI_API void          LogFinish();                                                             
    IMGUI_API void          LogButtons();                                                               
    IMGUI_API void          LogText(const char* fmt, ...) IM_FMTARGS(1);                                 

    IMGUI_API bool          BeginDragDropSource(ImGuiDragDropFlags flags = 0);                                                       
    IMGUI_API bool          SetDragDropPayload(const char* type, const void* data, size_t sz, ImGuiCond cond = 0);                              
    IMGUI_API void          EndDragDropSource();                                                                           
    IMGUI_API bool                  BeginDragDropTarget();                                                                              
    IMGUI_API const ImGuiPayload*   AcceptDragDropPayload(const char* type, ImGuiDragDropFlags flags = 0);                                
    IMGUI_API void                  EndDragDropTarget();                                                                   
    IMGUI_API const ImGuiPayload*   GetDragDropPayload();                                                                              

    IMGUI_API void          PushClipRect(const ImVec2& clip_rect_min, const ImVec2& clip_rect_max, bool intersect_with_current_clip_rect);
    IMGUI_API void          PopClipRect();

    IMGUI_API void          SetItemDefaultFocus();                                                        
    IMGUI_API void          SetKeyboardFocusHere(int offset = 0);                                                       

    IMGUI_API bool          IsItemHovered(ImGuiHoveredFlags flags = 0);                                            
    IMGUI_API bool          IsItemActive();                                                                                      
    IMGUI_API bool          IsItemFocused();                                                            
    IMGUI_API bool          IsItemClicked(ImGuiMouseButton mouse_button = 0);                                 
    IMGUI_API bool          IsItemVisible();                                                                  
    IMGUI_API bool          IsItemEdited();                                                                               
    IMGUI_API bool          IsItemActivated();                                                             
    IMGUI_API bool          IsItemDeactivated();                                                                     
    IMGUI_API bool          IsItemDeactivatedAfterEdit();                                                                                          
    IMGUI_API bool          IsItemToggledOpen();                                                          
    IMGUI_API bool          IsAnyItemHovered();                                                     
    IMGUI_API bool          IsAnyItemActive();                                                      
    IMGUI_API bool          IsAnyItemFocused();                                                     
    IMGUI_API ImVec2        GetItemRectMin();                                                             
    IMGUI_API ImVec2        GetItemRectMax();                                                             
    IMGUI_API ImVec2        GetItemRectSize();                                                       
    IMGUI_API void          SetItemAllowOverlap();                                                                   

    IMGUI_API bool          IsRectVisible(const ImVec2& size);                                                 
    IMGUI_API bool          IsRectVisible(const ImVec2& rect_min, const ImVec2& rect_max);                        
    IMGUI_API double        GetTime();                                                                   
    IMGUI_API int           GetFrameCount();                                                              
    IMGUI_API ImDrawList*   GetBackgroundDrawList();                                                              
    IMGUI_API ImDrawList*   GetForegroundDrawList();                                                              
    IMGUI_API ImDrawListSharedData* GetDrawListSharedData();                                              
    IMGUI_API const char*   GetStyleColorName(ImGuiCol idx);                                                
    IMGUI_API void          SetStateStorage(ImGuiStorage* storage);                                                
    IMGUI_API ImGuiStorage* GetStateStorage();
    IMGUI_API void          CalcListClipping(int items_count, float items_height, int* out_items_display_start, int* out_items_display_end);                       
    IMGUI_API bool          BeginChildFrame(ImGuiID id, const ImVec2& size, ImGuiWindowFlags flags = 0);                 
    IMGUI_API void          EndChildFrame();                                                                 

    IMGUI_API ImVec2        CalcTextSize(const char* text, const char* text_end = NULL, bool hide_text_after_double_hash = false, float wrap_width = -1.0f);

    IMGUI_API ImVec4        ColorConvertU32ToFloat4(ImU32 in);
    IMGUI_API ImU32         ColorConvertFloat4ToU32(const ImVec4& in);
    IMGUI_API void          ColorConvertRGBtoHSV(float r, float g, float b, float& out_h, float& out_s, float& out_v);
    IMGUI_API void          ColorConvertHSVtoRGB(float h, float s, float v, float& out_r, float& out_g, float& out_b);

    IMGUI_API int           GetKeyIndex(ImGuiKey imgui_key);                                             
    IMGUI_API bool          IsKeyDown(int user_key_index);                                            
    IMGUI_API bool          IsKeyPressed(int user_key_index, bool repeat = true);                             
    IMGUI_API bool          IsKeyReleased(int user_key_index);                                          
    IMGUI_API int           GetKeyPressedAmount(int key_index, float repeat_delay, float rate);                          
    IMGUI_API void          CaptureKeyboardFromApp(bool want_capture_keyboard_value = true);                                              

    IMGUI_API bool          IsMouseDown(ImGuiMouseButton button);                                   
    IMGUI_API bool          IsMouseClicked(ImGuiMouseButton button, bool repeat = false);                
    IMGUI_API bool          IsMouseReleased(ImGuiMouseButton button);                                    
    IMGUI_API bool          IsMouseDoubleClicked(ImGuiMouseButton button);                                    
    IMGUI_API bool          IsMouseHoveringRect(const ImVec2& r_min, const ImVec2& r_max, bool clip = true);                      
    IMGUI_API bool          IsMousePosValid(const ImVec2* mouse_pos = NULL);                                 
    IMGUI_API bool          IsAnyMouseDown();                                                        
    IMGUI_API ImVec2        GetMousePos();                                                                  
    IMGUI_API ImVec2        GetMousePosOnOpeningCurrentPopup();                                                      
    IMGUI_API bool          IsMouseDragging(ImGuiMouseButton button, float lock_threshold = -1.0f);                  
    IMGUI_API ImVec2        GetMouseDragDelta(ImGuiMouseButton button = 0, float lock_threshold = -1.0f);                                            
    IMGUI_API void          ResetMouseDragDelta(ImGuiMouseButton button = 0);                   
    IMGUI_API ImGuiMouseCursor GetMouseCursor();                                                                              
    IMGUI_API void          SetMouseCursor(ImGuiMouseCursor cursor_type);                           
    IMGUI_API void          CaptureMouseFromApp(bool want_capture_mouse_value = true);                                          

    IMGUI_API const char*   GetClipboardText();
    IMGUI_API void          SetClipboardText(const char* text);

    IMGUI_API void          LoadIniSettingsFromDisk(const char* ini_filename);                                
    IMGUI_API void          LoadIniSettingsFromMemory(const char* ini_data, size_t ini_size=0);                    
    IMGUI_API void          SaveIniSettingsToDisk(const char* ini_filename);                                               
    IMGUI_API const char*   SaveIniSettingsToMemory(size_t* out_ini_size = NULL);                                              

    IMGUI_API bool          DebugCheckVersionAndDataLayout(const char* version_str, size_t sz_io, size_t sz_style, size_t sz_vec2, size_t sz_vec4, size_t sz_drawvert, size_t sz_drawidx);       

    IMGUI_API void          SetAllocatorFunctions(void* (*alloc_func)(size_t sz, void* user_data), void (*free_func)(void* ptr, void* user_data), void* user_data = NULL);
    IMGUI_API void*         MemAlloc(size_t size);
    IMGUI_API void          MemFree(void* ptr);

}   

enum ImGuiWindowFlags_
{
    ImGuiWindowFlags_None                   = 0,
    ImGuiWindowFlags_NoTitleBar             = 1 << 0,     
    ImGuiWindowFlags_NoResize               = 1 << 1,          
    ImGuiWindowFlags_NoMove                 = 1 << 2,        
    ImGuiWindowFlags_NoScrollbar            = 1 << 3,             
    ImGuiWindowFlags_NoScrollWithMouse      = 1 << 4,                          
    ImGuiWindowFlags_NoCollapse             = 1 << 5,           
    ImGuiWindowFlags_AlwaysAutoResize       = 1 << 6,           
    ImGuiWindowFlags_NoBackground           = 1 << 7,                
    ImGuiWindowFlags_NoSavedSettings        = 1 << 8,         
    ImGuiWindowFlags_NoMouseInputs          = 1 << 9,           
    ImGuiWindowFlags_MenuBar                = 1 << 10,     
    ImGuiWindowFlags_HorizontalScrollbar    = 1 << 11,                              
    ImGuiWindowFlags_NoFocusOnAppearing     = 1 << 12,            
    ImGuiWindowFlags_NoBringToFrontOnFocus  = 1 << 13,                   
    ImGuiWindowFlags_AlwaysVerticalScrollbar= 1 << 14,           
    ImGuiWindowFlags_AlwaysHorizontalScrollbar=1<< 15,           
    ImGuiWindowFlags_AlwaysUseWindowPadding = 1 << 16,                   
    ImGuiWindowFlags_NoNavInputs            = 1 << 18,        
    ImGuiWindowFlags_NoNavFocus             = 1 << 19,              
    ImGuiWindowFlags_UnsavedDocument        = 1 << 20,                                                   
    ImGuiWindowFlags_NoNav                  = ImGuiWindowFlags_NoNavInputs | ImGuiWindowFlags_NoNavFocus,
    ImGuiWindowFlags_NoDecoration           = ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoCollapse,
    ImGuiWindowFlags_NoInputs               = ImGuiWindowFlags_NoMouseInputs | ImGuiWindowFlags_NoNavInputs | ImGuiWindowFlags_NoNavFocus,

    ImGuiWindowFlags_NavFlattened           = 1 << 23,                      
    ImGuiWindowFlags_ChildWindow            = 1 << 24,         
    ImGuiWindowFlags_Tooltip                = 1 << 25,         
    ImGuiWindowFlags_Popup                  = 1 << 26,         
    ImGuiWindowFlags_Modal                  = 1 << 27,         
    ImGuiWindowFlags_ChildMenu              = 1 << 28          

};

enum ImGuiInputTextFlags_
{
    ImGuiInputTextFlags_None                = 0,
    ImGuiInputTextFlags_CharsDecimal        = 1 << 0,     
    ImGuiInputTextFlags_CharsHexadecimal    = 1 << 1,     
    ImGuiInputTextFlags_CharsUppercase      = 1 << 2,       
    ImGuiInputTextFlags_CharsNoBlank        = 1 << 3,       
    ImGuiInputTextFlags_AutoSelectAll       = 1 << 4,           
    ImGuiInputTextFlags_EnterReturnsTrue    = 1 << 5,                        
    ImGuiInputTextFlags_CallbackCompletion  = 1 << 6,          
    ImGuiInputTextFlags_CallbackHistory     = 1 << 7,           
    ImGuiInputTextFlags_CallbackAlways      = 1 << 8,                
    ImGuiInputTextFlags_CallbackCharFilter  = 1 << 9,                         
    ImGuiInputTextFlags_AllowTabInput       = 1 << 10,            
    ImGuiInputTextFlags_CtrlEnterForNewLine = 1 << 11,                       
    ImGuiInputTextFlags_NoHorizontalScroll  = 1 << 12,       
    ImGuiInputTextFlags_AlwaysInsertMode    = 1 << 13,    
    ImGuiInputTextFlags_ReadOnly            = 1 << 14,    
    ImGuiInputTextFlags_Password            = 1 << 15,         
    ImGuiInputTextFlags_NoUndoRedo          = 1 << 16,                             
    ImGuiInputTextFlags_CharsScientific     = 1 << 17,       
    ImGuiInputTextFlags_CallbackResize      = 1 << 18,                                                          
    ImGuiInputTextFlags_CallbackEdit        = 1 << 19,                            
    ImGuiInputTextFlags_Multiline           = 1 << 20,       
    ImGuiInputTextFlags_NoMarkEdited        = 1 << 21             
};

enum ImGuiTreeNodeFlags_
{
    ImGuiTreeNodeFlags_None                 = 0,
    ImGuiTreeNodeFlags_Selected             = 1 << 0,      
    ImGuiTreeNodeFlags_Framed               = 1 << 1,          
    ImGuiTreeNodeFlags_AllowItemOverlap     = 1 << 2,             
    ImGuiTreeNodeFlags_NoTreePushOnOpen     = 1 << 3,                     
    ImGuiTreeNodeFlags_NoAutoOpenOnLog      = 1 << 4,                     
    ImGuiTreeNodeFlags_DefaultOpen          = 1 << 5,        
    ImGuiTreeNodeFlags_OpenOnDoubleClick    = 1 << 6,        
    ImGuiTreeNodeFlags_OpenOnArrow          = 1 << 7,                        
    ImGuiTreeNodeFlags_Leaf                 = 1 << 8,              
    ImGuiTreeNodeFlags_Bullet               = 1 << 9,         
    ImGuiTreeNodeFlags_FramePadding         = 1 << 10,                       
    ImGuiTreeNodeFlags_SpanAvailWidth       = 1 << 11,                                                   
    ImGuiTreeNodeFlags_SpanFullWidth        = 1 << 12,               
    ImGuiTreeNodeFlags_NavLeftJumpsBackHere = 1 << 13,                      
    ImGuiTreeNodeFlags_CollapsingHeader     = ImGuiTreeNodeFlags_Framed | ImGuiTreeNodeFlags_NoTreePushOnOpen | ImGuiTreeNodeFlags_NoAutoOpenOnLog
};

enum ImGuiPopupFlags_
{
    ImGuiPopupFlags_None                    = 0,
    ImGuiPopupFlags_MouseButtonLeft         = 0,                        
    ImGuiPopupFlags_MouseButtonRight        = 1,                        
    ImGuiPopupFlags_MouseButtonMiddle       = 2,                        
    ImGuiPopupFlags_MouseButtonMask_        = 0x1F,
    ImGuiPopupFlags_MouseButtonDefault_     = 1,
    ImGuiPopupFlags_NoOpenOverExistingPopup = 1 << 5,                     
    ImGuiPopupFlags_NoOpenOverItems         = 1 << 6,                
    ImGuiPopupFlags_AnyPopupId              = 1 << 7,              
    ImGuiPopupFlags_AnyPopupLevel           = 1 << 8,                   
    ImGuiPopupFlags_AnyPopup                = ImGuiPopupFlags_AnyPopupId | ImGuiPopupFlags_AnyPopupLevel
};

enum ImGuiSelectableFlags_
{
    ImGuiSelectableFlags_None               = 0,
    ImGuiSelectableFlags_DontClosePopups    = 1 << 0,          
    ImGuiSelectableFlags_SpanAllColumns     = 1 << 1,                
    ImGuiSelectableFlags_AllowDoubleClick   = 1 << 2,          
    ImGuiSelectableFlags_Disabled           = 1 << 3,          
    ImGuiSelectableFlags_AllowItemOverlap   = 1 << 4               
};

enum ImGuiComboFlags_
{
    ImGuiComboFlags_None                    = 0,
    ImGuiComboFlags_PopupAlignLeft          = 1 << 0,           
    ImGuiComboFlags_HeightSmall             = 1 << 1,                           
    ImGuiComboFlags_HeightRegular           = 1 << 2,        
    ImGuiComboFlags_HeightLarge             = 1 << 3,       
    ImGuiComboFlags_HeightLargest           = 1 << 4,         
    ImGuiComboFlags_NoArrowButton           = 1 << 5,             
    ImGuiComboFlags_NoPreview               = 1 << 6,         
    ImGuiComboFlags_HeightMask_             = ImGuiComboFlags_HeightSmall | ImGuiComboFlags_HeightRegular | ImGuiComboFlags_HeightLarge | ImGuiComboFlags_HeightLargest
};

enum ImGuiTabBarFlags_
{
    ImGuiTabBarFlags_None                           = 0,
    ImGuiTabBarFlags_Reorderable                    = 1 << 0,                    
    ImGuiTabBarFlags_AutoSelectNewTabs              = 1 << 1,          
    ImGuiTabBarFlags_TabListPopupButton             = 1 << 2,           
    ImGuiTabBarFlags_NoCloseWithMiddleMouseButton   = 1 << 3,                                    
    ImGuiTabBarFlags_NoTabListScrollingButtons      = 1 << 4,            
    ImGuiTabBarFlags_NoTooltip                      = 1 << 5,         
    ImGuiTabBarFlags_FittingPolicyResizeDown        = 1 << 6,         
    ImGuiTabBarFlags_FittingPolicyScroll            = 1 << 7,          
    ImGuiTabBarFlags_FittingPolicyMask_             = ImGuiTabBarFlags_FittingPolicyResizeDown | ImGuiTabBarFlags_FittingPolicyScroll,
    ImGuiTabBarFlags_FittingPolicyDefault_          = ImGuiTabBarFlags_FittingPolicyResizeDown
};

enum ImGuiTabItemFlags_
{
    ImGuiTabItemFlags_None                          = 0,
    ImGuiTabItemFlags_UnsavedDocument               = 1 << 0,                                         
    ImGuiTabItemFlags_SetSelected                   = 1 << 1,              
    ImGuiTabItemFlags_NoCloseWithMiddleMouseButton  = 1 << 2,                                    
    ImGuiTabItemFlags_NoPushId                      = 1 << 3,        
    ImGuiTabItemFlags_NoTooltip                     = 1 << 4,         
    ImGuiTabItemFlags_NoReorder                     = 1 << 5,               
    ImGuiTabItemFlags_Leading                       = 1 << 6,                    
    ImGuiTabItemFlags_Trailing                      = 1 << 7                   
};

enum ImGuiTableFlags_
{
    ImGuiTableFlags_None                       = 0,
    ImGuiTableFlags_Resizable                  = 1 << 0,      
    ImGuiTableFlags_Reorderable                = 1 << 1,                 
    ImGuiTableFlags_Hideable                   = 1 << 2,         
    ImGuiTableFlags_Sortable                   = 1 << 3,                
    ImGuiTableFlags_NoSavedSettings            = 1 << 4,               
    ImGuiTableFlags_ContextMenuInBody          = 1 << 5,                   
    ImGuiTableFlags_RowBg                      = 1 << 6,                     
    ImGuiTableFlags_BordersInnerH              = 1 << 7,        
    ImGuiTableFlags_BordersOuterH              = 1 << 8,           
    ImGuiTableFlags_BordersInnerV              = 1 << 9,        
    ImGuiTableFlags_BordersOuterV              = 1 << 10,           
    ImGuiTableFlags_BordersH                   = ImGuiTableFlags_BordersInnerH | ImGuiTableFlags_BordersOuterH,    
    ImGuiTableFlags_BordersV                   = ImGuiTableFlags_BordersInnerV | ImGuiTableFlags_BordersOuterV,    
    ImGuiTableFlags_BordersInner               = ImGuiTableFlags_BordersInnerV | ImGuiTableFlags_BordersInnerH,    
    ImGuiTableFlags_BordersOuter               = ImGuiTableFlags_BordersOuterV | ImGuiTableFlags_BordersOuterH,    
    ImGuiTableFlags_Borders                    = ImGuiTableFlags_BordersInner | ImGuiTableFlags_BordersOuter,      
    ImGuiTableFlags_NoBordersInBody            = 1 << 11,                    
    ImGuiTableFlags_NoBordersInBodyUntilResize = 1 << 12,                        
    ImGuiTableFlags_SizingFixedFit             = 1 << 13,                
    ImGuiTableFlags_SizingFixedSame            = 2 << 13,                        
    ImGuiTableFlags_SizingStretchProp          = 3 << 13,               
    ImGuiTableFlags_SizingStretchSame          = 4 << 13,               
    ImGuiTableFlags_NoHostExtendX              = 1 << 16,                       
    ImGuiTableFlags_NoHostExtendY              = 1 << 17,                               
    ImGuiTableFlags_NoKeepColumnsVisible       = 1 << 18,                       
    ImGuiTableFlags_PreciseWidths              = 1 << 19,                                      
    ImGuiTableFlags_NoClip                     = 1 << 20,                          
    ImGuiTableFlags_PadOuterX                  = 1 << 21,                
    ImGuiTableFlags_NoPadOuterX                = 1 << 22,          
    ImGuiTableFlags_NoPadInnerX                = 1 << 23,                     
    ImGuiTableFlags_ScrollX                    = 1 << 24,                                 
    ImGuiTableFlags_ScrollY                    = 1 << 25,               
    ImGuiTableFlags_SortMulti                  = 1 << 26,                    
    ImGuiTableFlags_SortTristate               = 1 << 27,                

    ImGuiTableFlags_SizingMask_                = ImGuiTableFlags_SizingFixedFit | ImGuiTableFlags_SizingFixedSame | ImGuiTableFlags_SizingStretchProp | ImGuiTableFlags_SizingStretchSame

#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
#endif
};

enum ImGuiTableColumnFlags_
{
    ImGuiTableColumnFlags_None                  = 0,
    ImGuiTableColumnFlags_DefaultHide           = 1 << 0,        
    ImGuiTableColumnFlags_DefaultSort           = 1 << 1,        
    ImGuiTableColumnFlags_WidthStretch          = 1 << 2,                    
    ImGuiTableColumnFlags_WidthFixed            = 1 << 3,                       
    ImGuiTableColumnFlags_NoResize              = 1 << 4,      
    ImGuiTableColumnFlags_NoReorder             = 1 << 5,                   
    ImGuiTableColumnFlags_NoHide                = 1 << 6,         
    ImGuiTableColumnFlags_NoClip                = 1 << 7,                  
    ImGuiTableColumnFlags_NoSort                = 1 << 8,                  
    ImGuiTableColumnFlags_NoSortAscending       = 1 << 9,           
    ImGuiTableColumnFlags_NoSortDescending      = 1 << 10,          
    ImGuiTableColumnFlags_NoHeaderWidth         = 1 << 11,           
    ImGuiTableColumnFlags_PreferSortAscending   = 1 << 12,               
    ImGuiTableColumnFlags_PreferSortDescending  = 1 << 13,              
    ImGuiTableColumnFlags_IndentEnable          = 1 << 14,             
    ImGuiTableColumnFlags_IndentDisable         = 1 << 15,                       

    ImGuiTableColumnFlags_IsEnabled             = 1 << 20,                   
    ImGuiTableColumnFlags_IsVisible             = 1 << 21,             
    ImGuiTableColumnFlags_IsSorted              = 1 << 22,          
    ImGuiTableColumnFlags_IsHovered             = 1 << 23,       

    ImGuiTableColumnFlags_WidthMask_            = ImGuiTableColumnFlags_WidthStretch | ImGuiTableColumnFlags_WidthFixed,
    ImGuiTableColumnFlags_IndentMask_           = ImGuiTableColumnFlags_IndentEnable | ImGuiTableColumnFlags_IndentDisable,
    ImGuiTableColumnFlags_StatusMask_           = ImGuiTableColumnFlags_IsEnabled | ImGuiTableColumnFlags_IsVisible | ImGuiTableColumnFlags_IsSorted | ImGuiTableColumnFlags_IsHovered,
    ImGuiTableColumnFlags_NoDirectResize_       = 1 << 30                    

#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
#endif
};

enum ImGuiTableRowFlags_
{
    ImGuiTableRowFlags_None                         = 0,
    ImGuiTableRowFlags_Headers                      = 1 << 0                      
};

enum ImGuiTableBgTarget_
{
    ImGuiTableBgTarget_None                         = 0,
    ImGuiTableBgTarget_RowBg0                       = 1,                       
    ImGuiTableBgTarget_RowBg1                       = 2,                  
    ImGuiTableBgTarget_CellBg                       = 3               
};

enum ImGuiFocusedFlags_
{
    ImGuiFocusedFlags_None                          = 0,
    ImGuiFocusedFlags_ChildWindows                  = 1 << 0,              
    ImGuiFocusedFlags_RootWindow                    = 1 << 1,               
    ImGuiFocusedFlags_AnyWindow                     = 1 << 2,                                   
    ImGuiFocusedFlags_RootAndChildWindows           = ImGuiFocusedFlags_RootWindow | ImGuiFocusedFlags_ChildWindows
};

enum ImGuiHoveredFlags_
{
    ImGuiHoveredFlags_None                          = 0,                                
    ImGuiHoveredFlags_ChildWindows                  = 1 << 0,               
    ImGuiHoveredFlags_RootWindow                    = 1 << 1,                
    ImGuiHoveredFlags_AnyWindow                     = 1 << 2,            
    ImGuiHoveredFlags_AllowWhenBlockedByPopup       = 1 << 3,                 
    ImGuiHoveredFlags_AllowWhenBlockedByActiveItem  = 1 << 5,                      
    ImGuiHoveredFlags_AllowWhenOverlapped           = 1 << 6,                
    ImGuiHoveredFlags_AllowWhenDisabled             = 1 << 7,           
    ImGuiHoveredFlags_RectOnly                      = ImGuiHoveredFlags_AllowWhenBlockedByPopup | ImGuiHoveredFlags_AllowWhenBlockedByActiveItem | ImGuiHoveredFlags_AllowWhenOverlapped,
    ImGuiHoveredFlags_RootAndChildWindows           = ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows
};

enum ImGuiDragDropFlags_
{
    ImGuiDragDropFlags_None                         = 0,
    ImGuiDragDropFlags_SourceNoPreviewTooltip       = 1 << 0,                              
    ImGuiDragDropFlags_SourceNoDisableHover         = 1 << 1,                                      
    ImGuiDragDropFlags_SourceNoHoldToOpenOthers     = 1 << 2,                        
    ImGuiDragDropFlags_SourceAllowNullID            = 1 << 3,                                             
    ImGuiDragDropFlags_SourceExtern                 = 1 << 4,                             
    ImGuiDragDropFlags_SourceAutoExpirePayload      = 1 << 5,                     
    ImGuiDragDropFlags_AcceptBeforeDelivery         = 1 << 10,                           
    ImGuiDragDropFlags_AcceptNoDrawDefaultRect      = 1 << 11,             
    ImGuiDragDropFlags_AcceptNoPreviewTooltip       = 1 << 12,           
    ImGuiDragDropFlags_AcceptPeekOnly               = ImGuiDragDropFlags_AcceptBeforeDelivery | ImGuiDragDropFlags_AcceptNoDrawDefaultRect           
};

#define IMGUI_PAYLOAD_TYPE_COLOR_3F     "_COL3F"                 
#define IMGUI_PAYLOAD_TYPE_COLOR_4F     "_COL4F"               

enum ImGuiDataType_
{
    ImGuiDataType_S8,              
    ImGuiDataType_U8,         
    ImGuiDataType_S16,       
    ImGuiDataType_U16,        
    ImGuiDataType_S32,       
    ImGuiDataType_U32,        
    ImGuiDataType_S64,          
    ImGuiDataType_U64,            
    ImGuiDataType_Float,     
    ImGuiDataType_Double,    
    ImGuiDataType_COUNT
};

enum ImGuiDir_
{
    ImGuiDir_None    = -1,
    ImGuiDir_Left    = 0,
    ImGuiDir_Right   = 1,
    ImGuiDir_Up      = 2,
    ImGuiDir_Down    = 3,
    ImGuiDir_COUNT
};

enum ImGuiSortDirection_
{
    ImGuiSortDirection_None         = 0,
    ImGuiSortDirection_Ascending    = 1,         
    ImGuiSortDirection_Descending   = 2          
};

enum ImGuiKey_
{
    ImGuiKey_Tab,
    ImGuiKey_LeftArrow,
    ImGuiKey_RightArrow,
    ImGuiKey_UpArrow,
    ImGuiKey_DownArrow,
    ImGuiKey_PageUp,
    ImGuiKey_PageDown,
    ImGuiKey_Home,
    ImGuiKey_End,
    ImGuiKey_Insert,
    ImGuiKey_Delete,
    ImGuiKey_Backspace,
    ImGuiKey_Space,
    ImGuiKey_Enter,
    ImGuiKey_Escape,
    ImGuiKey_KeyPadEnter,
    ImGuiKey_A,                       
    ImGuiKey_C,                      
    ImGuiKey_V,                      
    ImGuiKey_X,                      
    ImGuiKey_Y,                      
    ImGuiKey_Z,                      
    ImGuiKey_COUNT
};

enum ImGuiKeyModFlags_
{
    ImGuiKeyModFlags_None       = 0,
    ImGuiKeyModFlags_Ctrl       = 1 << 0,
    ImGuiKeyModFlags_Shift      = 1 << 1,
    ImGuiKeyModFlags_Alt        = 1 << 2,
    ImGuiKeyModFlags_Super      = 1 << 3
};

enum ImGuiNavInput_
{
    ImGuiNavInput_Activate,                               
    ImGuiNavInput_Cancel,                                              
    ImGuiNavInput_Input,                                    
    ImGuiNavInput_Menu,                            
    ImGuiNavInput_DpadLeft,                         
    ImGuiNavInput_DpadRight,     
    ImGuiNavInput_DpadUp,        
    ImGuiNavInput_DpadDown,      
    ImGuiNavInput_LStickLeft,                           
    ImGuiNavInput_LStickRight,   
    ImGuiNavInput_LStickUp,      
    ImGuiNavInput_LStickDown,    
    ImGuiNavInput_FocusPrev,                                           
    ImGuiNavInput_FocusNext,                                           
    ImGuiNavInput_TweakSlow,                                                    
    ImGuiNavInput_TweakFast,                                                    

    ImGuiNavInput_KeyMenu_,                                            
    ImGuiNavInput_KeyLeft_,                                               
    ImGuiNavInput_KeyRight_,       
    ImGuiNavInput_KeyUp_,          
    ImGuiNavInput_KeyDown_,        
    ImGuiNavInput_COUNT,
    ImGuiNavInput_InternalStart_ = ImGuiNavInput_KeyMenu_
};

enum ImGuiConfigFlags_
{
    ImGuiConfigFlags_None                   = 0,
    ImGuiConfigFlags_NavEnableKeyboard      = 1 << 0,                
    ImGuiConfigFlags_NavEnableGamepad       = 1 << 1,                         
    ImGuiConfigFlags_NavEnableSetMousePos   = 1 << 2,                                                     
    ImGuiConfigFlags_NavNoCaptureKeyboard   = 1 << 3,               
    ImGuiConfigFlags_NoMouse                = 1 << 4,                     
    ImGuiConfigFlags_NoMouseCursorChange    = 1 << 5,                                               

    ImGuiConfigFlags_IsSRGB                 = 1 << 20,     
    ImGuiConfigFlags_IsTouchScreen          = 1 << 21             
};

enum ImGuiBackendFlags_
{
    ImGuiBackendFlags_None                  = 0,
    ImGuiBackendFlags_HasGamepad            = 1 << 0,            
    ImGuiBackendFlags_HasMouseCursors       = 1 << 1,               
    ImGuiBackendFlags_HasSetMousePos        = 1 << 2,                    
    ImGuiBackendFlags_RendererHasVtxOffset  = 1 << 3                     
};

enum ImGuiCol_
{
    ImGuiCol_Text,
    ImGuiCol_TextDisabled,
    ImGuiCol_WindowBg,                  
    ImGuiCol_ChildBg,                   
    ImGuiCol_PopupBg,                     
    ImGuiCol_Border,
    ImGuiCol_BorderShadow,
    ImGuiCol_FrameBg,                        
    ImGuiCol_FrameBgHovered,
    ImGuiCol_FrameBgActive,
    ImGuiCol_TitleBg,
    ImGuiCol_TitleBgActive,
    ImGuiCol_TitleBgCollapsed,
    ImGuiCol_MenuBarBg,
    ImGuiCol_ScrollbarBg,
    ImGuiCol_ScrollbarGrab,
    ImGuiCol_ScrollbarGrabHovered,
    ImGuiCol_ScrollbarGrabActive,
    ImGuiCol_CheckMark,
    ImGuiCol_SliderGrab,
    ImGuiCol_SliderGrabActive,
    ImGuiCol_Button,
    ImGuiCol_ButtonHovered,
    ImGuiCol_ButtonActive,
    ImGuiCol_Header,                         
    ImGuiCol_HeaderHovered,
    ImGuiCol_HeaderActive,
    ImGuiCol_Separator,
    ImGuiCol_SeparatorHovered,
    ImGuiCol_SeparatorActive,
    ImGuiCol_ResizeGrip,
    ImGuiCol_ResizeGripHovered,
    ImGuiCol_ResizeGripActive,
    ImGuiCol_Tab,
    ImGuiCol_TabHovered,
    ImGuiCol_TabActive,
    ImGuiCol_TabUnfocused,
    ImGuiCol_TabUnfocusedActive,
    ImGuiCol_PlotLines,
    ImGuiCol_PlotLinesHovered,
    ImGuiCol_PlotHistogram,
    ImGuiCol_PlotHistogramHovered,
    ImGuiCol_TableHeaderBg,            
    ImGuiCol_TableBorderStrong,              
    ImGuiCol_TableBorderLight,             
    ImGuiCol_TableRowBg,                 
    ImGuiCol_TableRowBgAlt,              
    ImGuiCol_TextSelectedBg,
    ImGuiCol_DragDropTarget,
    ImGuiCol_NavHighlight,              
    ImGuiCol_NavWindowingHighlight,      
    ImGuiCol_NavWindowingDimBg,               
    ImGuiCol_ModalWindowDimBg,                 
    ImGuiCol_COUNT
};

enum ImGuiStyleVar_
{
    ImGuiStyleVar_Alpha,                     
    ImGuiStyleVar_WindowPadding,            
    ImGuiStyleVar_WindowRounding,            
    ImGuiStyleVar_WindowBorderSize,          
    ImGuiStyleVar_WindowMinSize,            
    ImGuiStyleVar_WindowTitleAlign,         
    ImGuiStyleVar_ChildRounding,             
    ImGuiStyleVar_ChildBorderSize,           
    ImGuiStyleVar_PopupRounding,             
    ImGuiStyleVar_PopupBorderSize,           
    ImGuiStyleVar_FramePadding,             
    ImGuiStyleVar_FrameRounding,             
    ImGuiStyleVar_FrameBorderSize,           
    ImGuiStyleVar_ItemSpacing,              
    ImGuiStyleVar_ItemInnerSpacing,         
    ImGuiStyleVar_IndentSpacing,             
    ImGuiStyleVar_CellPadding,              
    ImGuiStyleVar_ScrollbarSize,             
    ImGuiStyleVar_ScrollbarRounding,         
    ImGuiStyleVar_GrabMinSize,               
    ImGuiStyleVar_GrabRounding,              
    ImGuiStyleVar_TabRounding,               
    ImGuiStyleVar_ButtonTextAlign,          
    ImGuiStyleVar_SelectableTextAlign,      
    ImGuiStyleVar_COUNT
};

enum ImGuiButtonFlags_
{
    ImGuiButtonFlags_None                   = 0,
    ImGuiButtonFlags_MouseButtonLeft        = 1 << 0,         
    ImGuiButtonFlags_MouseButtonRight       = 1 << 1,        
    ImGuiButtonFlags_MouseButtonMiddle      = 1 << 2,        

    ImGuiButtonFlags_MouseButtonMask_       = ImGuiButtonFlags_MouseButtonLeft | ImGuiButtonFlags_MouseButtonRight | ImGuiButtonFlags_MouseButtonMiddle,
    ImGuiButtonFlags_MouseButtonDefault_    = ImGuiButtonFlags_MouseButtonLeft
};

enum ImGuiColorEditFlags_
{
    ImGuiColorEditFlags_None            = 0,
    ImGuiColorEditFlags_NoAlpha         = 1 << 1,                                
    ImGuiColorEditFlags_NoPicker        = 1 << 2,                         
    ImGuiColorEditFlags_NoOptions       = 1 << 3,                           
    ImGuiColorEditFlags_NoSmallPreview  = 1 << 4,                                 
    ImGuiColorEditFlags_NoInputs        = 1 << 5,                                
    ImGuiColorEditFlags_NoTooltip       = 1 << 6,                          
    ImGuiColorEditFlags_NoLabel         = 1 << 7,                                   
    ImGuiColorEditFlags_NoSidePreview   = 1 << 8,                                  
    ImGuiColorEditFlags_NoDragDrop      = 1 << 9,                             
    ImGuiColorEditFlags_NoBorder        = 1 << 10,                        

    ImGuiColorEditFlags_AlphaBar        = 1 << 16,                        
    ImGuiColorEditFlags_AlphaPreview    = 1 << 17,                               
    ImGuiColorEditFlags_AlphaPreviewHalf= 1 << 18,                            
    ImGuiColorEditFlags_HDR             = 1 << 19,                                    
    ImGuiColorEditFlags_DisplayRGB      = 1 << 20,                       
    ImGuiColorEditFlags_DisplayHSV      = 1 << 21,        
    ImGuiColorEditFlags_DisplayHex      = 1 << 22,        
    ImGuiColorEditFlags_Uint8           = 1 << 23,              
    ImGuiColorEditFlags_Float           = 1 << 24,                         
    ImGuiColorEditFlags_PickerHueBar    = 1 << 25,               
    ImGuiColorEditFlags_PickerHueWheel  = 1 << 26,               
    ImGuiColorEditFlags_InputRGB        = 1 << 27,                  
    ImGuiColorEditFlags_InputHSV        = 1 << 28,                  

    ImGuiColorEditFlags__OptionsDefault = ImGuiColorEditFlags_Uint8 | ImGuiColorEditFlags_DisplayRGB | ImGuiColorEditFlags_InputRGB | ImGuiColorEditFlags_PickerHueBar,

    ImGuiColorEditFlags__DisplayMask    = ImGuiColorEditFlags_DisplayRGB | ImGuiColorEditFlags_DisplayHSV | ImGuiColorEditFlags_DisplayHex,
    ImGuiColorEditFlags__DataTypeMask   = ImGuiColorEditFlags_Uint8 | ImGuiColorEditFlags_Float,
    ImGuiColorEditFlags__PickerMask     = ImGuiColorEditFlags_PickerHueWheel | ImGuiColorEditFlags_PickerHueBar,
    ImGuiColorEditFlags__InputMask      = ImGuiColorEditFlags_InputRGB | ImGuiColorEditFlags_InputHSV

#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
    , ImGuiColorEditFlags_RGB = ImGuiColorEditFlags_DisplayRGB, ImGuiColorEditFlags_HSV = ImGuiColorEditFlags_DisplayHSV, ImGuiColorEditFlags_HEX = ImGuiColorEditFlags_DisplayHex     
#endif
};

enum ImGuiSliderFlags_
{
    ImGuiSliderFlags_None                   = 0,
    ImGuiSliderFlags_AlwaysClamp            = 1 << 4,                         
    ImGuiSliderFlags_Logarithmic            = 1 << 5,                           
    ImGuiSliderFlags_NoRoundToFormat        = 1 << 6,                            
    ImGuiSliderFlags_NoInput                = 1 << 7,                    
    ImGuiSliderFlags_InvalidMask_           = 0x7000000F                                   

#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
    , ImGuiSliderFlags_ClampOnInput = ImGuiSliderFlags_AlwaysClamp    
#endif
};

enum ImGuiMouseButton_
{
    ImGuiMouseButton_Left = 0,
    ImGuiMouseButton_Right = 1,
    ImGuiMouseButton_Middle = 2,
    ImGuiMouseButton_COUNT = 5
};

enum ImGuiMouseCursor_
{
    ImGuiMouseCursor_None = -1,
    ImGuiMouseCursor_Arrow = 0,
    ImGuiMouseCursor_TextInput,              
    ImGuiMouseCursor_ResizeAll,              
    ImGuiMouseCursor_ResizeNS,                
    ImGuiMouseCursor_ResizeEW,                   
    ImGuiMouseCursor_ResizeNESW,                 
    ImGuiMouseCursor_ResizeNWSE,                 
    ImGuiMouseCursor_Hand,                       
    ImGuiMouseCursor_NotAllowed,                  
    ImGuiMouseCursor_COUNT
};

enum ImGuiCond_
{
    ImGuiCond_None          = 0,                 
    ImGuiCond_Always        = 1 << 0,         
    ImGuiCond_Once          = 1 << 1,                
    ImGuiCond_FirstUseEver  = 1 << 2,                   
    ImGuiCond_Appearing     = 1 << 3                   
};

struct ImNewWrapper {};
inline void* operator new(size_t, ImNewWrapper, void* ptr) { return ptr; }
inline void  operator delete(void*, ImNewWrapper, void*)   {}            
#define IM_ALLOC(_SIZE)                     ImGui::MemAlloc(_SIZE)
#define IM_FREE(_PTR)                       ImGui::MemFree(_PTR)
#define IM_PLACEMENT_NEW(_PTR)              new(ImNewWrapper(), _PTR)
#define IM_NEW(_TYPE)                       new(ImNewWrapper(), ImGui::MemAlloc(sizeof(_TYPE))) _TYPE
template<typename T> void IM_DELETE(T* p)   { if (p) { p->~T(); ImGui::MemFree(p); } }

template<typename T>
struct ImVector
{
    int                 Size;
    int                 Capacity;
    T*                  Data;

    typedef T                   value_type;
    typedef value_type*         iterator;
    typedef const value_type*   const_iterator;

    inline ImVector()                                       { Size = Capacity = 0; Data = NULL; }
    inline ImVector(const ImVector<T>& src)                 { Size = Capacity = 0; Data = NULL; operator=(src); }
    inline ImVector<T>& operator=(const ImVector<T>& src)   { clear(); resize(src.Size); memcpy(Data, src.Data, (size_t)Size * sizeof(T)); return *this; }
    inline ~ImVector()                                      { if (Data) IM_FREE(Data); }

    inline bool         empty() const                       { return Size == 0; }
    inline int          size() const                        { return Size; }
    inline int          size_in_bytes() const               { return Size * (int)sizeof(T); }
    inline int          max_size() const                    { return 0x7FFFFFFF / (int)sizeof(T); }
    inline int          capacity() const                    { return Capacity; }
    inline T&           operator[](int i)                   { IM_ASSERT(i >= 0 && i < Size); return Data[i]; }
    inline const T&     operator[](int i) const             { IM_ASSERT(i >= 0 && i < Size); return Data[i]; }

    inline void         clear()                             { if (Data) { Size = Capacity = 0; IM_FREE(Data); Data = NULL; } }
    inline T*           begin()                             { return Data; }
    inline const T*     begin() const                       { return Data; }
    inline T*           end()                               { return Data + Size; }
    inline const T*     end() const                         { return Data + Size; }
    inline T&           front()                             { IM_ASSERT(Size > 0); return Data[0]; }
    inline const T&     front() const                       { IM_ASSERT(Size > 0); return Data[0]; }
    inline T&           back()                              { IM_ASSERT(Size > 0); return Data[Size - 1]; }
    inline const T&     back() const                        { IM_ASSERT(Size > 0); return Data[Size - 1]; }
    inline void         swap(ImVector<T>& rhs)              { int rhs_size = rhs.Size; rhs.Size = Size; Size = rhs_size; int rhs_cap = rhs.Capacity; rhs.Capacity = Capacity; Capacity = rhs_cap; T* rhs_data = rhs.Data; rhs.Data = Data; Data = rhs_data; }

    inline int          _grow_capacity(int sz) const        { int new_capacity = Capacity ? (Capacity + Capacity / 2) : 8; return new_capacity > sz ? new_capacity : sz; }
    inline void         resize(int new_size)                { if (new_size > Capacity) reserve(_grow_capacity(new_size)); Size = new_size; }
    inline void         resize(int new_size, const T& v)    { if (new_size > Capacity) reserve(_grow_capacity(new_size)); if (new_size > Size) for (int n = Size; n < new_size; n++) memcpy(&Data[n], &v, sizeof(v)); Size = new_size; }
    inline void         shrink(int new_size)                { IM_ASSERT(new_size <= Size); Size = new_size; }              
    inline void         reserve(int new_capacity)           { if (new_capacity <= Capacity) return; T* new_data = (T*)IM_ALLOC((size_t)new_capacity * sizeof(T)); if (Data) { memcpy(new_data, Data, (size_t)Size * sizeof(T)); IM_FREE(Data); } Data = new_data; Capacity = new_capacity; }

    inline void         push_back(const T& v)               { if (Size == Capacity) reserve(_grow_capacity(Size + 1)); memcpy(&Data[Size], &v, sizeof(v)); Size++; }
    inline void         pop_back()                          { IM_ASSERT(Size > 0); Size--; }
    inline void         push_front(const T& v)              { if (Size == 0) push_back(v); else insert(Data, v); }
    inline T*           erase(const T* it)                  { IM_ASSERT(it >= Data && it < Data + Size); const ptrdiff_t off = it - Data; memmove(Data + off, Data + off + 1, ((size_t)Size - (size_t)off - 1) * sizeof(T)); Size--; return Data + off; }
    inline T*           erase(const T* it, const T* it_last){ IM_ASSERT(it >= Data && it < Data + Size && it_last > it && it_last <= Data + Size); const ptrdiff_t count = it_last - it; const ptrdiff_t off = it - Data; memmove(Data + off, Data + off + count, ((size_t)Size - (size_t)off - count) * sizeof(T)); Size -= (int)count; return Data + off; }
    inline T*           erase_unsorted(const T* it)         { IM_ASSERT(it >= Data && it < Data + Size);  const ptrdiff_t off = it - Data; if (it < Data + Size - 1) memcpy(Data + off, Data + Size - 1, sizeof(T)); Size--; return Data + off; }
    inline T*           insert(const T* it, const T& v)     { IM_ASSERT(it >= Data && it <= Data + Size); const ptrdiff_t off = it - Data; if (Size == Capacity) reserve(_grow_capacity(Size + 1)); if (off < (int)Size) memmove(Data + off + 1, Data + off, ((size_t)Size - (size_t)off) * sizeof(T)); memcpy(&Data[off], &v, sizeof(v)); Size++; return Data + off; }
    inline bool         contains(const T& v) const          { const T* data = Data;  const T* data_end = Data + Size; while (data < data_end) if (*data++ == v) return true; return false; }
    inline T*           find(const T& v)                    { T* data = Data;  const T* data_end = Data + Size; while (data < data_end) if (*data == v) break; else ++data; return data; }
    inline const T*     find(const T& v) const              { const T* data = Data;  const T* data_end = Data + Size; while (data < data_end) if (*data == v) break; else ++data; return data; }
    inline bool         find_erase(const T& v)              { const T* it = find(v); if (it < Data + Size) { erase(it); return true; } return false; }
    inline bool         find_erase_unsorted(const T& v)     { const T* it = find(v); if (it < Data + Size) { erase_unsorted(it); return true; } return false; }
    inline int          index_from_ptr(const T* it) const   { IM_ASSERT(it >= Data && it < Data + Size); const ptrdiff_t off = it - Data; return (int)off; }
};

struct ImGuiStyle
{
    float       Alpha;                              
    ImVec2      WindowPadding;                  
    float       WindowRounding;                                      
    float       WindowBorderSize;                                
    ImVec2      WindowMinSize;                               
    ImVec2      WindowTitleAlign;                      
    ImGuiDir    WindowMenuButtonPosition;                
    float       ChildRounding;                           
    float       ChildBorderSize;                                  
    float       PopupRounding;                          
    float       PopupBorderSize;                                  
    ImVec2      FramePadding;                        
    float       FrameRounding;                              
    float       FrameBorderSize;                                 
    ImVec2      ItemSpacing;                      
    ImVec2      ItemInnerSpacing;                            
    ImVec2      CellPadding;                     
    ImVec2      TouchExtraPadding;                                               
    float       IndentSpacing;                           
    float       ColumnsMinSpacing;                     
    float       ScrollbarSize;                        
    float       ScrollbarRounding;                
    float       GrabMinSize;                        
    float       GrabRounding;                            
    float       LogSliderDeadzone;                         
    float       TabRounding;                              
    float       TabBorderSize;                   
    float       TabMinWidthForCloseButton;                                 
    ImGuiDir    ColorButtonPosition;                     
    ImVec2      ButtonTextAlign;                           
    ImVec2      SelectableTextAlign;                                    
    ImVec2      DisplayWindowPadding;                              
    ImVec2      DisplaySafeAreaPadding;                                     
    float       MouseCursorScale;                        
    bool        AntiAliasedLines;                                
    bool        AntiAliasedLinesUseTex;                             
    bool        AntiAliasedFill;                                        
    float       CurveTessellationTol;                               
    float       CircleSegmentMaxError;                                
    ImVec4      Colors[ImGuiCol_COUNT];

    IMGUI_API ImGuiStyle();
    IMGUI_API void ScaleAllSizes(float scale_factor);
};

struct ImGuiIO
{
    ImGuiConfigFlags   ConfigFlags;                                       
    ImGuiBackendFlags  BackendFlags;                                              
    ImVec2      DisplaySize;                                    
    float       DeltaTime;                                    
    float       IniSavingRate;                                         
    const char* IniFilename;                                              
    const char* LogFilename;                                   
    float       MouseDoubleClickTime;                             
    float       MouseDoubleClickMaxDist;                                
    float       MouseDragThreshold;                                 
    int         KeyMap[ImGuiKey_COUNT];                                  
    float       KeyRepeatDelay;                                             
    float       KeyRepeatRate;                                        
    void*       UserData;                                            

    ImFontAtlas*Fonts;                                                    
    float       FontGlobalScale;                                 
    bool        FontAllowUserScaling;                                
    ImFont*     FontDefault;                                           
    ImVec2      DisplayFramebufferScale;                                        

    bool        MouseDrawCursor;                                                             
    bool        ConfigMacOSXBehaviors;                                                          
    bool        ConfigInputTextCursorBlink;                              
    bool        ConfigDragClickToInputText;                                       
    bool        ConfigWindowsResizeFromEdges;                                               
    bool        ConfigWindowsMoveFromTitleBarOnly;                               
    float       ConfigMemoryCompactTimer;                                   

    const char* BackendPlatformName;              
    const char* BackendRendererName;              
    void*       BackendPlatformUserData;                          
    void*       BackendRendererUserData;                          
    void*       BackendLanguageUserData;                             

    const char* (*GetClipboardTextFn)(void* user_data);
    void        (*SetClipboardTextFn)(void* user_data, const char* text);
    void*       ClipboardUserData;

    void        (*ImeSetInputScreenPosFn)(int x, int y);
    void*       ImeWindowHandle;                                         

    ImVec2      MousePos;                                       
    bool        MouseDown[5];                                                              
    float       MouseWheel;                               
    float       MouseWheelH;                                        
    bool        KeyCtrl;                            
    bool        KeyShift;                           
    bool        KeyAlt;                             
    bool        KeySuper;                           
    bool        KeysDown[512];                                             
    float       NavInputs[ImGuiNavInput_COUNT];                    

    IMGUI_API void  AddInputCharacter(unsigned int c);              
    IMGUI_API void  AddInputCharacterUTF16(ImWchar16 c);                     
    IMGUI_API void  AddInputCharactersUTF8(const char* str);            
    IMGUI_API void  ClearInputCharacters();                           

    bool        WantCaptureMouse;                                                               
    bool        WantCaptureKeyboard;                                                     
    bool        WantTextInput;                                                
    bool        WantSetMousePos;                                    
    bool        WantSaveIniSettings;                                           
    bool        NavActive;                                           
    bool        NavVisible;                               
    float       Framerate;                                         
    int         MetricsRenderVertices;                 
    int         MetricsRenderIndices;                        
    int         MetricsRenderWindows;               
    int         MetricsActiveWindows;               
    int         MetricsActiveAllocations;                           
    ImVec2      MouseDelta;                                              

    ImGuiKeyModFlags KeyMods;                                
    ImVec2      MousePosPrev;                                    
    ImVec2      MouseClickedPos[5];                  
    double      MouseClickedTime[5];                     
    bool        MouseClicked[5];                       
    bool        MouseDoubleClicked[5];               
    bool        MouseReleased[5];                      
    bool        MouseDownOwned[5];                                      
    bool        MouseDownWasDoubleClick[5];            
    float       MouseDownDuration[5];                      
    float       MouseDownDurationPrev[5];               
    ImVec2      MouseDragMaxDistanceAbs[5];                     
    float       MouseDragMaxDistanceSqr[5];                  
    float       KeysDownDuration[512];                     
    float       KeysDownDurationPrev[512];             
    float       NavInputsDownDuration[ImGuiNavInput_COUNT];
    float       NavInputsDownDurationPrev[ImGuiNavInput_COUNT];
    float       PenPressure;                                        
    ImWchar16   InputQueueSurrogate;              
    ImVector<ImWchar> InputQueueCharacters;                 

    IMGUI_API   ImGuiIO();
};

struct ImGuiInputTextCallbackData
{
    ImGuiInputTextFlags EventFlag;             
    ImGuiInputTextFlags Flags;                      
    void*               UserData;                   

    ImWchar             EventChar;                                                     
    ImGuiKey            EventKey;                            
    char*               Buf;                                                            
    int                 BufTextLen;                                         
    int                 BufSize;                                  
    bool                BufDirty;                          
    int                 CursorPos;                                                 
    int                 SelectionStart;                                                  
    int                 SelectionEnd;                                              

    IMGUI_API ImGuiInputTextCallbackData();
    IMGUI_API void      DeleteChars(int pos, int bytes_count);
    IMGUI_API void      InsertChars(int pos, const char* text, const char* text_end = NULL);
    void                SelectAll()             { SelectionStart = 0; SelectionEnd = BufTextLen; }
    void                ClearSelection()        { SelectionStart = SelectionEnd = BufTextLen; }
    bool                HasSelection() const    { return SelectionStart != SelectionEnd; }
};

struct ImGuiSizeCallbackData
{
    void*   UserData;               
    ImVec2  Pos;                   
    ImVec2  CurrentSize;          
    ImVec2  DesiredSize;                    
};

struct ImGuiPayload
{
    void*           Data;                      
    int             DataSize;             

    ImGuiID         SourceId;              
    ImGuiID         SourceParentId;          
    int             DataFrameCount;       
    char            DataType[32 + 1];            
    bool            Preview;                              
    bool            Delivery;                         

    ImGuiPayload()  { Clear(); }
    void Clear()    { SourceId = SourceParentId = 0; Data = NULL; DataSize = 0; memset(DataType, 0, sizeof(DataType)); DataFrameCount = -1; Preview = Delivery = false; }
    bool IsDataType(const char* type) const { return DataFrameCount != -1 && strcmp(type, DataType) == 0; }
    bool IsPreview() const                  { return Preview; }
    bool IsDelivery() const                 { return Delivery; }
};

struct ImGuiTableColumnSortSpecs
{
    ImGuiID                     ColumnUserID;                  
    ImS16                       ColumnIndex;            
    ImS16                       SortOrder;                                 
    ImGuiSortDirection          SortDirection : 8;                   

    ImGuiTableColumnSortSpecs() { memset(this, 0, sizeof(*this)); }
};

struct ImGuiTableSortSpecs
{
    const ImGuiTableColumnSortSpecs* Specs;          
    int                         SpecsCount;                           
    bool                        SpecsDirty;                        

    ImGuiTableSortSpecs()       { memset(this, 0, sizeof(*this)); }
};

#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
namespace ImGui
{
    IMGUI_API bool      ListBoxHeader(const char* label, int items_count, int height_in_items = -1);         
    static inline bool  ListBoxHeader(const char* label, const ImVec2& size = ImVec2(0, 0)) { return BeginListBox(label, size); }
    static inline void  ListBoxFooter() { EndListBox(); }
    static inline void  OpenPopupContextItem(const char* str_id = NULL, ImGuiMouseButton mb = 1) { OpenPopupOnItemClick(str_id, mb); }                  
    IMGUI_API bool      DragScalar(const char* label, ImGuiDataType data_type, void* p_data, float v_speed, const void* p_min, const void* p_max, const char* format, float power);
    IMGUI_API bool      DragScalarN(const char* label, ImGuiDataType data_type, void* p_data, int components, float v_speed, const void* p_min, const void* p_max, const char* format, float power);
    static inline bool  DragFloat(const char* label, float* v, float v_speed, float v_min, float v_max, const char* format, float power)    { return DragScalar(label, ImGuiDataType_Float, v, v_speed, &v_min, &v_max, format, power); }
    static inline bool  DragFloat2(const char* label, float v[2], float v_speed, float v_min, float v_max, const char* format, float power) { return DragScalarN(label, ImGuiDataType_Float, v, 2, v_speed, &v_min, &v_max, format, power); }
    static inline bool  DragFloat3(const char* label, float v[3], float v_speed, float v_min, float v_max, const char* format, float power) { return DragScalarN(label, ImGuiDataType_Float, v, 3, v_speed, &v_min, &v_max, format, power); }
    static inline bool  DragFloat4(const char* label, float v[4], float v_speed, float v_min, float v_max, const char* format, float power) { return DragScalarN(label, ImGuiDataType_Float, v, 4, v_speed, &v_min, &v_max, format, power); }
    IMGUI_API bool      SliderScalar(const char* label, ImGuiDataType data_type, void* p_data, const void* p_min, const void* p_max, const char* format, float power);
    IMGUI_API bool      SliderScalarN(const char* label, ImGuiDataType data_type, void* p_data, int components, const void* p_min, const void* p_max, const char* format, float power);
    static inline bool  SliderFloat(const char* label, float* v, float v_min, float v_max, const char* format, float power)                 { return SliderScalar(label, ImGuiDataType_Float, v, &v_min, &v_max, format, power); }
    static inline bool  SliderFloat2(const char* label, float v[2], float v_min, float v_max, const char* format, float power)              { return SliderScalarN(label, ImGuiDataType_Float, v, 2, &v_min, &v_max, format, power); }
    static inline bool  SliderFloat3(const char* label, float v[3], float v_min, float v_max, const char* format, float power)              { return SliderScalarN(label, ImGuiDataType_Float, v, 3, &v_min, &v_max, format, power); }
    static inline bool  SliderFloat4(const char* label, float v[4], float v_min, float v_max, const char* format, float power)              { return SliderScalarN(label, ImGuiDataType_Float, v, 4, &v_min, &v_max, format, power); }
    static inline bool  BeginPopupContextWindow(const char* str_id, ImGuiMouseButton mb, bool over_items) { return BeginPopupContextWindow(str_id, mb | (over_items ? 0 : ImGuiPopupFlags_NoOpenOverItems)); }
    static inline void  TreeAdvanceToLabelPos()               { SetCursorPosX(GetCursorPosX() + GetTreeNodeToLabelSpacing()); }
    static inline void  SetNextTreeNodeOpen(bool open, ImGuiCond cond = 0) { SetNextItemOpen(open, cond); }
    static inline float GetContentRegionAvailWidth()          { return GetContentRegionAvail().x; }
    static inline ImDrawList* GetOverlayDrawList()            { return GetForegroundDrawList(); }
    static inline void  SetScrollHere(float center_ratio=0.5f){ SetScrollHereY(center_ratio); }
}
#endif

#define IM_UNICODE_CODEPOINT_INVALID 0xFFFD           
#ifdef IMGUI_USE_WCHAR32
#define IM_UNICODE_CODEPOINT_MAX     0x10FFFF           
#else
#define IM_UNICODE_CODEPOINT_MAX     0xFFFF             
#endif

struct ImGuiOnceUponAFrame
{
    ImGuiOnceUponAFrame() { RefFrame = -1; }
    mutable int RefFrame;
    operator bool() const { int current_frame = ImGui::GetFrameCount(); if (RefFrame == current_frame) return false; RefFrame = current_frame; return true; }
};

struct ImGuiTextFilter
{
    IMGUI_API           ImGuiTextFilter(const char* default_filter = "");
    IMGUI_API bool      Draw(const char* label = "Filter (inc,-exc)", float width = 0.0f);     
    IMGUI_API bool      PassFilter(const char* text, const char* text_end = NULL) const;
    IMGUI_API void      Build();
    void                Clear()          { InputBuf[0] = 0; Build(); }
    bool                IsActive() const { return !Filters.empty(); }

    struct ImGuiTextRange
    {
        const char*     b;
        const char*     e;

        ImGuiTextRange()                                { b = e = NULL; }
        ImGuiTextRange(const char* _b, const char* _e)  { b = _b; e = _e; }
        bool            empty() const                   { return b == e; }
        IMGUI_API void  split(char separator, ImVector<ImGuiTextRange>* out) const;
    };
    char                    InputBuf[256];
    ImVector<ImGuiTextRange>Filters;
    int                     CountGrep;
};

struct ImGuiTextBuffer
{
    ImVector<char>      Buf;
    IMGUI_API static char EmptyString[1];

    ImGuiTextBuffer()   { }
    inline char         operator[](int i) const { IM_ASSERT(Buf.Data != NULL); return Buf.Data[i]; }
    const char*         begin() const           { return Buf.Data ? &Buf.front() : EmptyString; }
    const char*         end() const             { return Buf.Data ? &Buf.back() : EmptyString; }             
    int                 size() const            { return Buf.Size ? Buf.Size - 1 : 0; }
    bool                empty() const           { return Buf.Size <= 1; }
    void                clear()                 { Buf.clear(); }
    void                reserve(int capacity)   { Buf.reserve(capacity); }
    const char*         c_str() const           { return Buf.Data ? Buf.Data : EmptyString; }
    IMGUI_API void      append(const char* str, const char* str_end = NULL);
    IMGUI_API void      appendf(const char* fmt, ...) IM_FMTARGS(2);
    IMGUI_API void      appendfv(const char* fmt, va_list args) IM_FMTLIST(2);
};

struct ImGuiStorage
{
    struct ImGuiStoragePair
    {
        ImGuiID key;
        union { int val_i; float val_f; void* val_p; };
        ImGuiStoragePair(ImGuiID _key, int _val_i)      { key = _key; val_i = _val_i; }
        ImGuiStoragePair(ImGuiID _key, float _val_f)    { key = _key; val_f = _val_f; }
        ImGuiStoragePair(ImGuiID _key, void* _val_p)    { key = _key; val_p = _val_p; }
    };

    ImVector<ImGuiStoragePair>      Data;

    void                Clear() { Data.clear(); }
    IMGUI_API int       GetInt(ImGuiID key, int default_val = 0) const;
    IMGUI_API void      SetInt(ImGuiID key, int val);
    IMGUI_API bool      GetBool(ImGuiID key, bool default_val = false) const;
    IMGUI_API void      SetBool(ImGuiID key, bool val);
    IMGUI_API float     GetFloat(ImGuiID key, float default_val = 0.0f) const;
    IMGUI_API void      SetFloat(ImGuiID key, float val);
    IMGUI_API void*     GetVoidPtr(ImGuiID key) const;    
    IMGUI_API void      SetVoidPtr(ImGuiID key, void* val);

    IMGUI_API int*      GetIntRef(ImGuiID key, int default_val = 0);
    IMGUI_API bool*     GetBoolRef(ImGuiID key, bool default_val = false);
    IMGUI_API float*    GetFloatRef(ImGuiID key, float default_val = 0.0f);
    IMGUI_API void**    GetVoidPtrRef(ImGuiID key, void* default_val = NULL);

    IMGUI_API void      SetAllInt(int val);

    IMGUI_API void      BuildSortByKey();
};

struct ImGuiListClipper
{
    int     DisplayStart;
    int     DisplayEnd;

    int     ItemsCount;
    int     StepNo;
    int     ItemsFrozen;
    float   ItemsHeight;
    float   StartPosY;

    IMGUI_API ImGuiListClipper();
    IMGUI_API ~ImGuiListClipper();

    IMGUI_API void Begin(int items_count, float items_height = -1.0f);                
    IMGUI_API void End();                                                          
    IMGUI_API bool Step();                                                               

#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
    inline ImGuiListClipper(int items_count, float items_height = -1.0f) { memset(this, 0, sizeof(*this)); ItemsCount = -1; Begin(items_count, items_height); }    
#endif
};

#ifdef IMGUI_USE_BGRA_PACKED_COLOR
#define IM_COL32_R_SHIFT    16
#define IM_COL32_G_SHIFT    8
#define IM_COL32_B_SHIFT    0
#define IM_COL32_A_SHIFT    24
#define IM_COL32_A_MASK     0xFF000000
#else
#define IM_COL32_R_SHIFT    0
#define IM_COL32_G_SHIFT    8
#define IM_COL32_B_SHIFT    16
#define IM_COL32_A_SHIFT    24
#define IM_COL32_A_MASK     0xFF000000
#endif
#define IM_COL32(R,G,B,A)    (((ImU32)(A)<<IM_COL32_A_SHIFT) | ((ImU32)(B)<<IM_COL32_B_SHIFT) | ((ImU32)(G)<<IM_COL32_G_SHIFT) | ((ImU32)(R)<<IM_COL32_R_SHIFT))
#define IM_COL32_WHITE       IM_COL32(255,255,255,255)      
#define IM_COL32_BLACK       IM_COL32(0,0,0,255)          
#define IM_COL32_BLACK_TRANS IM_COL32(0,0,0,0)              

struct ImColor
{
    ImVec4              Value;

    ImColor()                                                       { Value.x = Value.y = Value.z = Value.w = 0.0f; }
    ImColor(int r, int g, int b, int a = 255)                       { float sc = 1.0f / 255.0f; Value.x = (float)r * sc; Value.y = (float)g * sc; Value.z = (float)b * sc; Value.w = (float)a * sc; }
    ImColor(ImU32 rgba)                                             { float sc = 1.0f / 255.0f; Value.x = (float)((rgba >> IM_COL32_R_SHIFT) & 0xFF) * sc; Value.y = (float)((rgba >> IM_COL32_G_SHIFT) & 0xFF) * sc; Value.z = (float)((rgba >> IM_COL32_B_SHIFT) & 0xFF) * sc; Value.w = (float)((rgba >> IM_COL32_A_SHIFT) & 0xFF) * sc; }
    ImColor(float r, float g, float b, float a = 1.0f)              { Value.x = r; Value.y = g; Value.z = b; Value.w = a; }
    ImColor(const ImVec4& col)                                      { Value = col; }
    inline operator ImU32() const                                   { return ImGui::ColorConvertFloat4ToU32(Value); }
    inline operator ImVec4() const                                  { return Value; }

    inline void    SetHSV(float h, float s, float v, float a = 1.0f){ ImGui::ColorConvertHSVtoRGB(h, s, v, Value.x, Value.y, Value.z); Value.w = a; }
    static ImColor HSV(float h, float s, float v, float a = 1.0f)   { float r, g, b; ImGui::ColorConvertHSVtoRGB(h, s, v, r, g, b); return ImColor(r, g, b, a); }
};

#ifndef IM_DRAWLIST_TEX_LINES_WIDTH_MAX
#define IM_DRAWLIST_TEX_LINES_WIDTH_MAX     (63)
#endif

#ifndef ImDrawCallback
typedef void (*ImDrawCallback)(const ImDrawList* parent_list, const ImDrawCmd* cmd);
#endif

#define ImDrawCallback_ResetRenderState     (ImDrawCallback)(-1)

struct ImDrawCmd
{
    ImVec4          ClipRect;                             
    ImTextureID     TextureId;                                     
    unsigned int    VtxOffset;                                     
    unsigned int    IdxOffset;                             
    unsigned int    ElemCount;                                      
    ImDrawCallback  UserCallback;                            
    void*           UserCallbackData;             

    ImDrawCmd() { memset(this, 0, sizeof(*this)); }        
};

#ifndef ImDrawIdx
typedef unsigned short ImDrawIdx;
#endif

#ifndef IMGUI_OVERRIDE_DRAWVERT_STRUCT_LAYOUT
struct ImDrawVert
{
    ImVec2  pos;
    ImVec2  uv;
    ImU32   col;
};
#else
IMGUI_OVERRIDE_DRAWVERT_STRUCT_LAYOUT;
#endif

struct ImDrawCmdHeader
{
    ImVec4          ClipRect;
    ImTextureID     TextureId;
    unsigned int    VtxOffset;
};

struct ImDrawChannel
{
    ImVector<ImDrawCmd>         _CmdBuffer;
    ImVector<ImDrawIdx>         _IdxBuffer;
};


struct ImDrawListSplitter
{
    int                         _Current;        
    int                         _Count;           
    ImVector<ImDrawChannel>     _Channels;              

    inline ImDrawListSplitter()  { memset(this, 0, sizeof(*this)); }
    inline ~ImDrawListSplitter() { ClearFreeMemory(); }
    inline void                 Clear() { _Current = 0; _Count = 1; }            
    IMGUI_API void              ClearFreeMemory();
    IMGUI_API void              Split(ImDrawList* draw_list, int count);
    IMGUI_API void              Merge(ImDrawList* draw_list);
    IMGUI_API void              SetCurrentChannel(ImDrawList* draw_list, int channel_idx);
};

enum ImDrawCornerFlags_
{
    ImDrawCornerFlags_None      = 0,
    ImDrawCornerFlags_TopLeft   = 1 << 0,  
    ImDrawCornerFlags_TopRight  = 1 << 1,  
    ImDrawCornerFlags_BotLeft   = 1 << 2,  
    ImDrawCornerFlags_BotRight  = 1 << 3,  
    ImDrawCornerFlags_Top       = ImDrawCornerFlags_TopLeft | ImDrawCornerFlags_TopRight,    
    ImDrawCornerFlags_Bot       = ImDrawCornerFlags_BotLeft | ImDrawCornerFlags_BotRight,    
    ImDrawCornerFlags_Left      = ImDrawCornerFlags_TopLeft | ImDrawCornerFlags_BotLeft,     
    ImDrawCornerFlags_Right     = ImDrawCornerFlags_TopRight | ImDrawCornerFlags_BotRight,   
    ImDrawCornerFlags_All       = 0xF                       
};

enum ImDrawListFlags_
{
    ImDrawListFlags_None                    = 0,
    ImDrawListFlags_AntiAliasedLines        = 1 << 0,                             
    ImDrawListFlags_AntiAliasedLinesUseTex  = 1 << 1,                
    ImDrawListFlags_AntiAliasedFill         = 1 << 2,           
    ImDrawListFlags_AllowVtxOffset          = 1 << 3                 
};

struct ImDrawList
{
    ImVector<ImDrawCmd>     CmdBuffer;                          
    ImVector<ImDrawIdx>     IdxBuffer;                  
    ImVector<ImDrawVert>    VtxBuffer;            
    ImDrawListFlags         Flags;                         

    unsigned int            _VtxCurrentIdx;                       
    const ImDrawListSharedData* _Data;                           
    const char*             _OwnerName;                
    ImDrawVert*             _VtxWritePtr;                       
    ImDrawIdx*              _IdxWritePtr;                       
    ImVector<ImVec4>        _ClipRectStack;      
    ImVector<ImTextureID>   _TextureIdStack;     
    ImVector<ImVec2>        _Path;                  
    ImDrawCmdHeader         _CmdHeader;                    
    ImDrawListSplitter      _Splitter;                       
    float                   _FringeScale;                           

    ImDrawList(const ImDrawListSharedData* shared_data) { memset(this, 0, sizeof(*this)); _Data = shared_data; }

    ~ImDrawList() { _ClearFreeMemory(); }
    IMGUI_API void  PushClipRect(ImVec2 clip_rect_min, ImVec2 clip_rect_max, bool intersect_with_current_clip_rect = false);                              
    IMGUI_API void  PushClipRectFullScreen();
    IMGUI_API void  PopClipRect();
    IMGUI_API void  PushTextureID(ImTextureID texture_id);
    IMGUI_API void  PopTextureID();
    inline ImVec2   GetClipRectMin() const { const ImVec4& cr = _ClipRectStack.back(); return ImVec2(cr.x, cr.y); }
    inline ImVec2   GetClipRectMax() const { const ImVec4& cr = _ClipRectStack.back(); return ImVec2(cr.z, cr.w); }

    IMGUI_API void  AddLine(const ImVec2& p1, const ImVec2& p2, ImU32 col, float thickness = 1.0f);
    IMGUI_API void  AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding = 0.0f, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All, float thickness = 1.0f);                    
    IMGUI_API void  AddRectFilled(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding = 0.0f, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All);                             
    IMGUI_API void  AddRectFilledMultiColor(const ImVec2& p_min, const ImVec2& p_max, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left);
    IMGUI_API void  AddQuad(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness = 1.0f);
    IMGUI_API void  AddQuadFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col);
    IMGUI_API void  AddTriangle(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness = 1.0f);
    IMGUI_API void  AddTriangleFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col);
    IMGUI_API void  AddCircle(const ImVec2& center, float radius, ImU32 col, int num_segments = 0, float thickness = 1.0f);
    IMGUI_API void  AddCircleFilled(const ImVec2& center, float radius, ImU32 col, int num_segments = 0);
    IMGUI_API void  AddNgon(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness = 1.0f);
    IMGUI_API void  AddNgonFilled(const ImVec2& center, float radius, ImU32 col, int num_segments);
    IMGUI_API void  AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end = NULL);
    IMGUI_API void  AddText(const ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end = NULL, float wrap_width = 0.0f, const ImVec4* cpu_fine_clip_rect = NULL);
    IMGUI_API void  AddPolyline(const ImVec2* points, int num_points, ImU32 col, bool closed, float thickness);
    IMGUI_API void  AddConvexPolyFilled(const ImVec2* points, int num_points, ImU32 col);           
    IMGUI_API void  AddBezierCubic(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness, int num_segments = 0);      
    IMGUI_API void  AddBezierQuadratic(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness, int num_segments = 0);                    

    IMGUI_API void  AddImage(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min = ImVec2(0, 0), const ImVec2& uv_max = ImVec2(1, 1), ImU32 col = IM_COL32_WHITE);
    IMGUI_API void  AddImageQuad(ImTextureID user_texture_id, const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& uv1 = ImVec2(0, 0), const ImVec2& uv2 = ImVec2(1, 0), const ImVec2& uv3 = ImVec2(1, 1), const ImVec2& uv4 = ImVec2(0, 1), ImU32 col = IM_COL32_WHITE);
    IMGUI_API void  AddImageRounded(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All);

    inline    void  PathClear()                                                 { _Path.Size = 0; }
    inline    void  PathLineTo(const ImVec2& pos)                               { _Path.push_back(pos); }
    inline    void  PathLineToMergeDuplicate(const ImVec2& pos)                 { if (_Path.Size == 0 || memcmp(&_Path.Data[_Path.Size - 1], &pos, 8) != 0) _Path.push_back(pos); }
    inline    void  PathFillConvex(ImU32 col)                                   { AddConvexPolyFilled(_Path.Data, _Path.Size, col); _Path.Size = 0; }            
    inline    void  PathStroke(ImU32 col, bool closed, float thickness = 1.0f)  { AddPolyline(_Path.Data, _Path.Size, col, closed, thickness); _Path.Size = 0; }
    IMGUI_API void  PathArcTo(const ImVec2& center, float radius, float a_min, float a_max, int num_segments = 10);
    IMGUI_API void  PathArcToFast(const ImVec2& center, float radius, int a_min_of_12, int a_max_of_12);                    
    IMGUI_API void  PathBezierCubicCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments = 0);       
    IMGUI_API void  PathBezierQuadraticCurveTo(const ImVec2& p2, const ImVec2& p3, int num_segments = 0);                     
    IMGUI_API void  PathRect(const ImVec2& rect_min, const ImVec2& rect_max, float rounding = 0.0f, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All);

    IMGUI_API void  AddCallback(ImDrawCallback callback, void* callback_data);                   
    IMGUI_API void  AddDrawCmd();                                                                               
    IMGUI_API ImDrawList* CloneOutput() const;                                        

    inline void     ChannelsSplit(int count)    { _Splitter.Split(this, count); }
    inline void     ChannelsMerge()             { _Splitter.Merge(this); }
    inline void     ChannelsSetCurrent(int n)   { _Splitter.SetCurrentChannel(this, n); }

    IMGUI_API void  PrimReserve(int idx_count, int vtx_count);
    IMGUI_API void  PrimUnreserve(int idx_count, int vtx_count);
    IMGUI_API void  PrimRect(const ImVec2& a, const ImVec2& b, ImU32 col);             
    IMGUI_API void  PrimRectUV(const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, ImU32 col);
    IMGUI_API void  PrimQuadUV(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, const ImVec2& uv_a, const ImVec2& uv_b, const ImVec2& uv_c, const ImVec2& uv_d, ImU32 col);
    inline    void  PrimWriteVtx(const ImVec2& pos, const ImVec2& uv, ImU32 col)    { _VtxWritePtr->pos = pos; _VtxWritePtr->uv = uv; _VtxWritePtr->col = col; _VtxWritePtr++; _VtxCurrentIdx++; }
    inline    void  PrimWriteIdx(ImDrawIdx idx)                                     { *_IdxWritePtr = idx; _IdxWritePtr++; }
    inline    void  PrimVtx(const ImVec2& pos, const ImVec2& uv, ImU32 col)         { PrimWriteIdx((ImDrawIdx)_VtxCurrentIdx); PrimWriteVtx(pos, uv, col); }      

#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
    inline    void  AddBezierCurve(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness, int num_segments = 0) { AddBezierCubic(p1, p2, p3, p4, col, thickness, num_segments); }
    inline    void  PathBezierCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments = 0) { PathBezierCubicCurveTo(p2, p3, p4, num_segments); }
#endif

    IMGUI_API void  _ResetForNewFrame();
    IMGUI_API void  _ClearFreeMemory();
    IMGUI_API void  _PopUnusedDrawCmd();
    IMGUI_API void  _OnChangedClipRect();
    IMGUI_API void  _OnChangedTextureID();
    IMGUI_API void  _OnChangedVtxOffset();
};

struct ImDrawData
{
    bool            Valid;                               
    ImDrawList**    CmdLists;                                
    int             CmdListsCount;               
    int             TotalIdxCount;                 
    int             TotalVtxCount;                 
    ImVec2          DisplayPos;                             
    ImVec2          DisplaySize;                                    
    ImVec2          FramebufferScale;                             

    ImDrawData()    { Valid = false; Clear(); }
    ~ImDrawData()   { Clear(); }
    void Clear()    { Valid = false; CmdLists = NULL; CmdListsCount = TotalVtxCount = TotalIdxCount = 0; DisplayPos = DisplaySize = FramebufferScale = ImVec2(0.f, 0.f); }       
    IMGUI_API void  DeIndexAllBuffers();                                                  
    IMGUI_API void  ScaleClipRects(const ImVec2& fb_scale);                                      
};

struct ImFontConfig
{
    void*           FontData;                           
    int             FontDataSize;                        
    bool            FontDataOwnedByAtlas;                     
    int             FontNo;                                
    float           SizePixels;                                     
    int             OversampleH;                                                   
    int             OversampleV;                                           
    bool            PixelSnapH;                                              
    ImVec2          GlyphExtraSpacing;                          
    ImVec2          GlyphOffset;                          
    const ImWchar*  GlyphRanges;                                                
    float           GlyphMinAdvanceX;                                 
    float           GlyphMaxAdvanceX;              
    bool            MergeMode;                                                     
    unsigned int    FontBuilderFlags;                               
    float           RasterizerMultiply;                               
    ImWchar         EllipsisChar;                                     

    char            Name[40];                    
    ImFont*         DstFont;

    IMGUI_API ImFontConfig();
};

struct ImFontGlyph
{
    unsigned int    Colored : 1;                                 
    unsigned int    Visible : 1;                       
    unsigned int    Codepoint : 30;      
    float           AdvanceX;                       
    float           X0, Y0, X1, Y1;       
    float           U0, V0, U1, V1;       
};

struct ImFontGlyphRangesBuilder
{
    ImVector<ImU32> UsedChars;                    

    ImFontGlyphRangesBuilder()              { Clear(); }
    inline void     Clear()                 { int size_in_bytes = (IM_UNICODE_CODEPOINT_MAX + 1) / 8; UsedChars.resize(size_in_bytes / (int)sizeof(ImU32)); memset(UsedChars.Data, 0, (size_t)size_in_bytes); }
    inline bool     GetBit(size_t n) const  { int off = (int)(n >> 5); ImU32 mask = 1u << (n & 31); return (UsedChars[off] & mask) != 0; }        
    inline void     SetBit(size_t n)        { int off = (int)(n >> 5); ImU32 mask = 1u << (n & 31); UsedChars[off] |= mask; }                     
    inline void     AddChar(ImWchar c)      { SetBit(c); }                        
    IMGUI_API void  AddText(const char* text, const char* text_end = NULL);               
    IMGUI_API void  AddRanges(const ImWchar* ranges);                                     
    IMGUI_API void  BuildRanges(ImVector<ImWchar>* out_ranges);                    
};

struct ImFontAtlasCustomRect
{
    unsigned short  Width, Height;          
    unsigned short  X, Y;                   
    unsigned int    GlyphID;                     
    float           GlyphAdvanceX;              
    ImVec2          GlyphOffset;                 
    ImFont*         Font;                       
    ImFontAtlasCustomRect()         { Width = Height = 0; X = Y = 0xFFFF; GlyphID = 0; GlyphAdvanceX = 0.0f; GlyphOffset = ImVec2(0, 0); Font = NULL; }
    bool IsPacked() const           { return X != 0xFFFF; }
};

enum ImFontAtlasFlags_
{
    ImFontAtlasFlags_None               = 0,
    ImFontAtlasFlags_NoPowerOfTwoHeight = 1 << 0,            
    ImFontAtlasFlags_NoMouseCursors     = 1 << 1,                
    ImFontAtlasFlags_NoBakedLines       = 1 << 2                                 
};

struct ImFontAtlas
{
    IMGUI_API ImFontAtlas();
    IMGUI_API ~ImFontAtlas();
    IMGUI_API ImFont*           AddFont(const ImFontConfig* font_cfg);
    IMGUI_API ImFont*           AddFontDefault(const ImFontConfig* font_cfg = NULL);
    IMGUI_API ImFont*           AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg = NULL, const ImWchar* glyph_ranges = NULL);
    IMGUI_API ImFont*           AddFontFromMemoryTTF(void* font_data, int font_size, float size_pixels, const ImFontConfig* font_cfg = NULL, const ImWchar* glyph_ranges = NULL);                             
    IMGUI_API ImFont*           AddFontFromMemoryCompressedTTF(const void* compressed_font_data, int compressed_font_size, float size_pixels, const ImFontConfig* font_cfg = NULL, const ImWchar* glyph_ranges = NULL);         
    IMGUI_API ImFont*           AddFontFromMemoryCompressedBase85TTF(const char* compressed_font_data_base85, float size_pixels, const ImFontConfig* font_cfg = NULL, const ImWchar* glyph_ranges = NULL);                         
    IMGUI_API void              ClearInputData();                                   
    IMGUI_API void              ClearTexData();                              
    IMGUI_API void              ClearFonts();                       
    IMGUI_API void              Clear();                         

    IMGUI_API bool              Build();                                 
    IMGUI_API void              GetTexDataAsAlpha8(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel = NULL);     
    IMGUI_API void              GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel = NULL);    
    bool                        IsBuilt() const             { return Fonts.Size > 0 && (TexPixelsAlpha8 != NULL || TexPixelsRGBA32 != NULL); }
    void                        SetTexID(ImTextureID id)    { TexID = id; }

    IMGUI_API const ImWchar*    GetGlyphRangesDefault();                    
    IMGUI_API const ImWchar*    GetGlyphRangesKorean();                     
    IMGUI_API const ImWchar*    GetGlyphRangesJapanese();                        
    IMGUI_API const ImWchar*    GetGlyphRangesChineseFull();                           
    IMGUI_API const ImWchar*    GetGlyphRangesChineseSimplifiedCommon();                 
    IMGUI_API const ImWchar*    GetGlyphRangesCyrillic();                     
    IMGUI_API const ImWchar*    GetGlyphRangesThai();                       
    IMGUI_API const ImWchar*    GetGlyphRangesVietnamese();                 

    IMGUI_API int               AddCustomRectRegular(int width, int height);
    IMGUI_API int               AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset = ImVec2(0, 0));
    ImFontAtlasCustomRect*      GetCustomRectByIndex(int index) { IM_ASSERT(index >= 0); return &CustomRects[index]; }

    IMGUI_API void              CalcCustomRectUV(const ImFontAtlasCustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max) const;
    IMGUI_API bool              GetMouseCursorTexData(ImGuiMouseCursor cursor, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2]);

    bool                        Locked;                          
    ImFontAtlasFlags            Flags;                  
    ImTextureID                 TexID;                                          
    int                         TexDesiredWidth;                                    
    int                         TexGlyphPadding;                             

    unsigned char*              TexPixelsAlpha8;                   
    unsigned int*               TexPixelsRGBA32;                     
    int                         TexWidth;                
    int                         TexHeight;               
    ImVec2                      TexUvScale;            
    ImVec2                      TexUvWhitePixel;          
    ImVector<ImFont*>           Fonts;                                    
    ImVector<ImFontAtlasCustomRect> CustomRects;             
    ImVector<ImFontConfig>      ConfigData;           
    ImVec4                      TexUvLines[IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 1];       

    const ImFontBuilderIO*      FontBuilderIO;                        
    unsigned int                FontBuilderFlags;                        

    int                         PackIdMouseCursors;           
    int                         PackIdLines;                

#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
    typedef ImFontAtlasCustomRect    CustomRect;            
    typedef ImFontGlyphRangesBuilder GlyphRangesBuilder;    
#endif
};

struct ImFont
{
    ImVector<float>             IndexAdvanceX;                                             
    float                       FallbackAdvanceX;             
    float                       FontSize;                                          

    ImVector<ImWchar>           IndexLookup;                              
    ImVector<ImFontGlyph>       Glyphs;                               
    const ImFontGlyph*          FallbackGlyph;              

    ImFontAtlas*                ContainerAtlas;                             
    const ImFontConfig*         ConfigData;                               
    short                       ConfigDataCount;                                          
    ImWchar                     FallbackChar;                                   
    ImWchar                     EllipsisChar;                             
    bool                        DirtyLookupTables;          
    float                       Scale;                                              
    float                       Ascent, Descent;                                
    int                         MetricsTotalSurface;                                           
    ImU8                        Used4kPagesMap[(IM_UNICODE_CODEPOINT_MAX+1)/4096/8];                                 

    IMGUI_API ImFont();
    IMGUI_API ~ImFont();
    IMGUI_API const ImFontGlyph*FindGlyph(ImWchar c) const;
    IMGUI_API const ImFontGlyph*FindGlyphNoFallback(ImWchar c) const;
    float                       GetCharAdvance(ImWchar c) const     { return ((int)c < IndexAdvanceX.Size) ? IndexAdvanceX[(int)c] : FallbackAdvanceX; }
    bool                        IsLoaded() const                    { return ContainerAtlas != NULL; }
    const char*                 GetDebugName() const                { return ConfigData ? ConfigData->Name : "<unknown>"; }

    IMGUI_API ImVec2            CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end = NULL, const char** remaining = NULL) const;  
    IMGUI_API const char*       CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const;
    IMGUI_API void              RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, ImWchar c) const;
    IMGUI_API void              RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, float wrap_width = 0.0f, bool cpu_fine_clip = false) const;

    IMGUI_API void              BuildLookupTable();
    IMGUI_API void              ClearOutputData();
    IMGUI_API void              GrowIndex(int new_size);
    IMGUI_API void              AddGlyph(const ImFontConfig* src_cfg, ImWchar c, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x);
    IMGUI_API void              AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst = true);                  
    IMGUI_API void              SetGlyphVisible(ImWchar c, bool visible);
    IMGUI_API void              SetFallbackChar(ImWchar c);
    IMGUI_API bool              IsGlyphRangeUnused(unsigned int c_begin, unsigned int c_last);
};

#if defined(__clang__)
#pragma clang diagnostic pop
#elif defined(__GNUC__)
#pragma GCC diagnostic pop
#endif

#ifdef IMGUI_INCLUDE_IMGUI_USER_H
#include "imgui_user.h"
#endif

#endif