-- Source/NSBitmapImageRep+PNG.m
++ Source/NSBitmapImageRep+PNG.m
initWithBytesNoCopy: buf
length: bytes_per_row * height];
if (PNG_INFO_gAMA & png_info->valid)
if (png_get_valid(png_struct, png_info, PNG_INFO_gAMA))
{
double file_gamma = 2.2;
if (PNG_FLOATING_POINT)