43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//
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//=============================================================================//
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#include "typedefs.h"
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#define MIN(x,y) (((x) < (y)) ? (x) : (y))
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#define MAX(x,y) (((x) > (y)) ? (x) : (y))
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typedef struct {
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int32 w,h;
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uint8 *data;
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uint32 *data32;
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} t_i_image;
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// IMAGE
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t_i_image *new_image(int32 w, int32 h);
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void del_image(t_i_image *img);
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// TGA
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t_i_image *i_load_tga(char *fname);
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void i_save_tga(t_i_image *image, char *fname);
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// SCALE
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t_i_image *powerof2(t_i_image *img1);
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// PIXEL
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uint32 i_rgb_to_32(uint32 r, uint32 g, uint32 b, uint32 a);
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void i_putpixel(t_i_image *img, int32 x, int32 y, uint32 co);
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void i_putpixel_rgba(t_i_image *img, int32 x, int32 y, int32 r, int32 g, int32 b, int32 a);
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uint32 i_getpixel(t_i_image *img, int32 x, int32 y);
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int32 i_getpixel_ch(t_i_image *img, int32 x, int32 y, int32 ch);
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uint32 i_pixel_alphamix(uint32 c1, uint32 c2, uint32 p);
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uint32 i_pixel_multiply_n(uint32 c1, uint32 n);
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uint32 i_pixel_add(uint32 co1, uint32 co2);
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