96 lines
2.4 KiB
C++
96 lines
2.4 KiB
C++
//========= Copyright © 1996-2005, 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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#include "stdafx.h"
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#include "Render2D.h"
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#include "RenderUtils.h"
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#include "mapview2d.h"
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#include "toolinterface.h"
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//-----------------------------------------------------------------------------
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// Purpose: Draws the measurements of a brush in the 2D view.
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// Input : pRender -
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// Mins -
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// Maxs -
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// nFlags -
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//-----------------------------------------------------------------------------
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void DrawBoundsText(CRender2D *pRender, const Vector &Mins, const Vector &Maxs, int nFlags)
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{
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CMapView2D *pView = (CMapView2D*) pRender->GetView();
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// Calculate the solid's extents along our 2D view axes.
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Vector Extents = Maxs - Mins;
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Vector Center = (Mins + Maxs ) * 0.5f;
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for ( int i=0; i<3;i++ )
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Extents[i] = fabs(Extents[i]);
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// Transform the solids mins and maxs to 2D view space. These are used
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// for placing the text in the view.
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Vector2D projMins, projMaxs, projCenter;
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pRender->TransformPoint( projMins, Mins );
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pRender->TransformPoint( projMaxs, Maxs );
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pRender->TransformPoint( projCenter, Center );
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if( projMins.x > projMaxs.x )
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{
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V_swap( projMins.x, projMaxs.x );
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}
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if( projMins.y > projMaxs.y )
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{
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V_swap( projMins.y, projMaxs.y );
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}
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//
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// display the extents of this brush
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//
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char extentText[30];
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int nTextX, nTextY;
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int nTextFlags;
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pRender->SetTextColor( 255, 255, 255 );
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// horz
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sprintf( extentText, "%.1f", Extents[pView->axHorz] );
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nTextFlags = CRender2D::TEXT_JUSTIFY_HORZ_CENTER;
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nTextX = projCenter.x;
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if ( nFlags & DBT_TOP )
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{
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nTextY = projMins.y - (HANDLE_RADIUS*3);
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nTextFlags |= CRender2D::TEXT_JUSTIFY_TOP;
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}
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else
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{
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nTextY = projMaxs.y + (HANDLE_RADIUS*3);
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nTextFlags |= CRender2D::TEXT_JUSTIFY_BOTTOM;
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}
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pRender->DrawText( extentText, nTextX, nTextY, nTextFlags );
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// vert
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sprintf( extentText, "%.1f", Extents[pView->axVert] );
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nTextFlags = CRender2D::TEXT_JUSTIFY_VERT_CENTER;
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nTextY = projCenter.y;
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if ( nFlags & DBT_LEFT )
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{
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nTextX = projMins.x - (HANDLE_RADIUS*3);
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nTextFlags |= CRender2D::TEXT_JUSTIFY_LEFT;
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}
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else
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{
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nTextX = projMaxs.x + (HANDLE_RADIUS*3);
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nTextFlags |= CRender2D::TEXT_JUSTIFY_RIGHT;
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}
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pRender->DrawText( extentText, nTextX, nTextY, nTextFlags );
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}
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