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removed alpha values from screenshots (#742)

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This commit is contained in:
Tom Adams 2010-05-31 20:44:45 +00:00
parent c9ff80a17d
commit 30987c2040
1 changed files with 7 additions and 7 deletions
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14
src/engine/client/graphics.cpp
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@ -419,16 +419,16 @@ void CGraphics_OpenGL::ScreenshotDirect(const char *pFilename)
int y;
int w = m_ScreenWidth;
int h = m_ScreenHeight;
unsigned char *pPixelData = (unsigned char *)mem_alloc(w*(h+1)*4, 1);
unsigned char *pTempRow = pPixelData+w*h*4;
glReadPixels(0,0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, pPixelData);
unsigned char *pPixelData = (unsigned char *)mem_alloc(w*(h+1)*3, 1);
unsigned char *pTempRow = pPixelData+w*h*3;
glReadPixels(0,0, w, h, GL_RGB, GL_UNSIGNED_BYTE, pPixelData);
// flip the pixel because opengl works from bottom left corner
for(y = 0; y < h/2; y++)
{
mem_copy(pTempRow, pPixelData+y*w*4, w*4);
mem_copy(pPixelData+y*w*4, pPixelData+(h-y-1)*w*4, w*4);
mem_copy(pPixelData+(h-y-1)*w*4, pTempRow,w*4);
mem_copy(pTempRow, pPixelData+y*w*3, w*3);
mem_copy(pPixelData+y*w*3, pPixelData+(h-y-1)*w*3, w*3);
mem_copy(pPixelData+(h-y-1)*w*3, pTempRow,w*3);
}
// find filename
@ -443,7 +443,7 @@ void CGraphics_OpenGL::ScreenshotDirect(const char *pFilename)
// save png
dbg_msg("client", "saved screenshot to '%s'", aWholePath);
png_open_file_write(&Png, aWholePath); // ignore_convention
png_set_data(&Png, w, h, 8, PNG_TRUECOLOR_ALPHA, (unsigned char *)pPixelData); // ignore_convention
png_set_data(&Png, w, h, 8, PNG_TRUECOLOR, (unsigned char *)pPixelData); // ignore_convention
png_close_file(&Png); // ignore_convention
}