| 348 | } |
| 349 | |
| 350 | bool CGraphics_Threaded::IsImageSubFullyTransparent(const CImageInfo &FromImageInfo, int x, int y, int w, int h) |
| 351 | { |
| 352 | if(FromImageInfo.m_Format == CImageInfo::FORMAT_R || FromImageInfo.m_Format == CImageInfo::FORMAT_RA || FromImageInfo.m_Format == CImageInfo::FORMAT_RGBA) |
| 353 | { |
| 354 | const uint8_t *pImgData = FromImageInfo.m_pData; |
| 355 | const size_t PixelSize = FromImageInfo.PixelSize(); |
| 356 | for(int iy = 0; iy < h; ++iy) |
| 357 | { |
| 358 | for(int ix = 0; ix < w; ++ix) |
| 359 | { |
| 360 | const size_t RealOffset = (x + ix) * PixelSize + (y + iy) * PixelSize * FromImageInfo.m_Width; |
| 361 | if(pImgData[RealOffset + (PixelSize - 1)] > 0) |
| 362 | return false; |
| 363 | } |
| 364 | } |
| 365 | |
| 366 | return true; |
| 367 | } |
| 368 | return false; |
| 369 | } |
| 370 | |
| 371 | bool CGraphics_Threaded::IsSpriteTextureFullyTransparent(const CImageInfo &FromImageInfo, const CDataSprite *pSprite) |
| 372 | { |