(986a3bf)

#include "render/safeopenglgraphics.h"
#include "resources/imagerect.h"
#include "resources/safeopenglimagehelper.h"
#include "resources/image/image.h"
#include "utils/sdlcheckutils.h"
#include "debug.h"
#include "render/graphics_drawImageRect.hpp"
#include "render/graphics_calcImageRect.hpp"

Go to the source code of this file.

Functions
static void	drawQuad (const Image *image, const int srcX, const int srcY, const int dstX, const int dstY, const int width, const int height) A_INLINE

static void	drawRescaledQuad (const Image *const image, const int srcX, const int srcY, const int dstX, const int dstY, const int width, const int height, const int desiredWidth, const int desiredHeight) A_INLINE

Function Documentation

◆ drawQuad()

static void drawQuad	(	const Image *	image,
		const int	srcX,
		const int	srcY,
		const int	dstX,
		const int	dstY,
		const int	width,
		const int	height
	)

inlinestatic

Definition at line 91 of file safeopenglgraphics.cpp.

 {
  if (SafeOpenGLImageHelper::mTextureType == GL_TEXTURE_2D)
  {
  const float tw = static_cast<float>(image->mTexWidth);
  const float th = static_cast<float>(image->mTexHeight);
  // Find OpenGL normalized texture coordinates.
  const float texX1 = static_cast<float>(srcX) / tw;
  const float texY1 = static_cast<float>(srcY) / th;
  const float texX2 = static_cast<float>(srcX + width) / tw;
  const float texY2 = static_cast<float>(srcY + height) / th;
  
  glTexCoord2f(texX1, texY1);
  glVertex2i(dstX, dstY);
  glTexCoord2f(texX2, texY1);
  glVertex2i(dstX + width, dstY);
  glTexCoord2f(texX2, texY2);
  glVertex2i(dstX + width, dstY + height);
  glTexCoord2f(texX1, texY2);
  glVertex2i(dstX, dstY + height);
  }
  else
  {
  glTexCoord2i(srcX, srcY);
  glVertex2i(dstX, dstY);
  glTexCoord2i(srcX + width, srcY);
  glVertex2i(dstX + width, dstY);
  glTexCoord2i(srcX + width, srcY + height);
  glVertex2i(dstX + width, dstY + height);
  glTexCoord2i(srcX, srcY + height);
  glVertex2i(dstX, dstY + height);
  }
 }

References SafeOpenGLImageHelper::mTextureType.

◆ drawRescaledQuad()

static void drawRescaledQuad	(	const Image *const	image,
		const int	srcX,
		const int	srcY,
		const int	dstX,
		const int	dstY,
		const int	width,
		const int	height,
		const int	desiredWidth,
		const int	desiredHeight
	)