Method copyRect

Engine/source/gfx/bitmap/gBitmap.cpp:253–268

//--------------------------------------------------------------------------

void GBitmap::copyRect(const GBitmap *src, const RectI &srcRect, const Point2I &dstPt, const U32 srcMipLevel, const U32 dstMipLevel)
{
   if(src->getFormat() != getFormat())
      return;
   if(srcRect.extent.x + srcRect.point.x > src->getWidth(srcMipLevel) || srcRect.extent.y + srcRect.point.y > src->getHeight(srcMipLevel))
      return;
   if(srcRect.extent.x + dstPt.x > getWidth(dstMipLevel) || srcRect.extent.y + dstPt.y > getHeight(dstMipLevel))
      return;

   for(U32 i = 0; i < srcRect.extent.y; i++)
   {
      dMemcpy(getAddress(dstPt.x, dstPt.y + i, dstMipLevel),
              src->getAddress(srcRect.point.x, srcRect.point.y + i, srcMipLevel),
              mBytesPerPixel * srcRect.extent.x);
   }
}

//--------------------------------------------------------------------------
void GBitmap::allocateBitmap(const U32 in_width, const U32 in_height, const bool in_extrudeMipLevels, const GFXFormat in_format )