472
475
if (quantum_info == (QuantumInfo *) NULL)
473
476
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
474
477
pixels=GetQuantumPixels(quantum_info);
477
480
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
478
481
if (p == (const PixelPacket *) NULL)