Method getColor

Engine/source/gfx/bitmap/gBitmap.cpp:642–684

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bool GBitmap::getColor(const U32 x, const U32 y, ColorI& rColor) const
{
   if (x >= mWidth || y >= mHeight)
      return false;

   const U8* pLoc = getAddress(x, y);

   switch (mInternalFormat) {
     case GFXFormatA8:
     case GFXFormatL8:
      rColor.set( *pLoc, *pLoc, *pLoc, *pLoc );
      break;

     case GFXFormatR8G8B8:
     case GFXFormatR8G8B8X8:
        rColor.set( pLoc[0], pLoc[1], pLoc[2], 255 );
      break;

     case GFXFormatR8G8B8A8:
      rColor.set( pLoc[0], pLoc[1], pLoc[2], pLoc[3] );
      break;

     case GFXFormatR5G5B5A1:
#if defined(TORQUE_OS_MAC)
      rColor.set( (*((U16*)pLoc) >> 0) & 0x1F,
                  (*((U16*)pLoc) >> 5) & 0x1F,
                  (*((U16*)pLoc) >> 10) & 0x1F,
                  ((*((U16*)pLoc) >> 15) & 0x01) ? 255 : 0 );
#else
      rColor.set( *((U16*)pLoc) >> 11,
                  (*((U16*)pLoc) >> 6) & 0x1f,
                  (*((U16*)pLoc) >> 1) & 0x1f,
                  (*((U16*)pLoc) & 1) ? 255 : 0 );
#endif
      break;

     default:
      AssertFatal(false, "Bad internal format");
      return false;
   }

   return true;
}


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