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- added ability to specify scaled image size of screenshots in g3d viewer example:

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./megaglest_g3dviewer --load-unit=techs/megapack/factions/romans/units/catapult,attack_skill --auto-screenshot=resize-1024x768
This commit is contained in:
Mark Vejvoda
2012-01-06 18:49:33 +00:00
parent 8e4ed05159
commit d449517872
4 changed files with 39 additions and 9 deletions
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16
source/shared_lib/sources/graphics/pixmap.cpp
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@@ -916,20 +916,30 @@ Pixmap2D::~Pixmap2D() {
void Pixmap2D::Scale(int format, int newW, int newH) {
int useComponents = this->getComponents();
int originalW = w;
int originalH = h;
uint8 *newpixels= new uint8[newW * newH * useComponents];
glPixelStorei(GL_PACK_ALIGNMENT, 1);
int error = gluScaleImage( format,
w, h, GL_UNSIGNED_BYTE, pixels,
newW, newH, GL_UNSIGNED_BYTE, newpixels);
if(error != GL_NO_ERROR) {
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
if(error == GL_NO_ERROR) {
init(newW,newH,this->components);
pixels = newpixels;
if(SystemFlags::VERBOSE_MODE_ENABLED) printf("Scaled image from [%d x %d] to [%d x %d]\n",originalW,originalH,w,h);
}
else {
assertGl();
const char *errorString= reinterpret_cast<const char*>(gluErrorString(error));
printf("ERROR Scaling image from [%d x %d] to [%d x %d] error: %d [%s]\n",originalW,originalH,w,h,error,errorString);
GLenum glErr = error;
assertGlWithErrorNumber(glErr);
}
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
}