475
473
if (quantum_info == (QuantumInfo *) NULL)
476
474
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
477
475
pixels=GetQuantumPixels(quantum_info);
480
478
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
481
479
if (p == (const PixelPacket *) NULL)