262         RECT srcRect;  in blitImpl()  local
263         srcRect.left   = sourceArea.x;  in blitImpl()
264         srcRect.right  = sourceArea.x + sourceArea.width;  in blitImpl()
265         srcRect.top    = sourceArea.y;  in blitImpl()
266         srcRect.bottom = sourceArea.y + sourceArea.height;  in blitImpl()
279                 srcRect.left += (scissor->x - dstRect.left);  in blitImpl()
284                 srcRect.top += (scissor->y - dstRect.top);  in blitImpl()
289                 srcRect.right -= (dstRect.right - (scissor->x + scissor->width));  in blitImpl()
294                 srcRect.bottom -= (dstRect.bottom - (scissor->y + scissor->height));  in blitImpl()
302             srcRect.left += -dstRect.left;  in blitImpl()
307             srcRect.right -= (dstRect.right - dstSize.width);  in blitImpl()
312             srcRect.top += -dstRect.top;  in blitImpl()
317             srcRect.bottom -= (dstRect.bottom - dstSize.height);  in blitImpl()
322         if (srcRect.left < 0)  in blitImpl()
324             dstRect.left += -srcRect.left;  in blitImpl()
325             srcRect.left = 0;  in blitImpl()
327         if (srcRect.right > srcSize.width)  in blitImpl()
329             dstRect.right -= (srcRect.right - srcSize.width);  in blitImpl()
330             srcRect.right = srcSize.width;  in blitImpl()
332         if (srcRect.top < 0)  in blitImpl()
334             dstRect.top += -srcRect.top;  in blitImpl()
335             srcRect.top = 0;  in blitImpl()
337         if (srcRect.bottom > srcSize.height)  in blitImpl()
339             dstRect.bottom -= (srcRect.bottom - srcSize.height);  in blitImpl()
340             srcRect.bottom = srcSize.height;  in blitImpl()
344             device->StretchRect(readSurface, &srcRect, drawSurface, &dstRect, D3DTEXF_NONE);  in blitImpl()