231         ExtensionBlock* eb = frame->ExtensionBlocks + i;  in drawFrame()  local
232         if (eb->Function == GRAPHICS_EXT_FUNC_CODE &&  in drawFrame()
233             eb->ByteCount == 4) {  in drawFrame()
234             bool has_transparency = ((eb->Bytes[0] & 1) == 1);  in drawFrame()
236                 transparent = (unsigned char)eb->Bytes[3];  in drawFrame()
265         ExtensionBlock* eb = frame->ExtensionBlocks + i;  in checkIfWillBeCleared()  local
266         if (eb->Function == GRAPHICS_EXT_FUNC_CODE &&  in checkIfWillBeCleared()
267             eb->ByteCount == 4) {  in checkIfWillBeCleared()
269             int disposal = ((eb->Bytes[0] >> 2) & 7);  in checkIfWillBeCleared()
283         ExtensionBlock* eb = frame->ExtensionBlocks + i;  in getTransparencyAndDisposalMethod()  local
284         if (eb->Function == GRAPHICS_EXT_FUNC_CODE &&  in getTransparencyAndDisposalMethod()
285             eb->ByteCount == 4) {  in getTransparencyAndDisposalMethod()
286             *trans = ((eb->Bytes[0] & 1) == 1);  in getTransparencyAndDisposalMethod()
287             *disposal = ((eb->Bytes[0] >> 2) & 7);  in getTransparencyAndDisposalMethod()