FSPImagePixelSpecificationAlphaInfo FSPImagePixelSpecificationAlphaInfoFromImage()

in ios/SpectrumKit/SpectrumKit/Image/FSPImagePixelSpecification.mm [358:378]

• 21 lines of code
• 9 McCabe index (conditional complexity)

FSPImagePixelSpecificationAlphaInfo FSPImagePixelSpecificationAlphaInfoFromImage(UIImage *image)
{
  switch (CGImageGetAlphaInfo(image.CGImage)) {
    case kCGImageAlphaNone:
      return FSPImagePixelSpecificationAlphaInfoNone;
    case kCGImageAlphaPremultipliedLast:
      return FSPImagePixelSpecificationAlphaInfoPremultipliedLast;
    case kCGImageAlphaPremultipliedFirst:
      return FSPImagePixelSpecificationAlphaInfoPremultipliedFirst;
    case kCGImageAlphaLast:
      return FSPImagePixelSpecificationAlphaInfoLast;
    case kCGImageAlphaFirst:
      return FSPImagePixelSpecificationAlphaInfoFirst;
    case kCGImageAlphaNoneSkipLast:
      return FSPImagePixelSpecificationAlphaInfoSkipLast;
    case kCGImageAlphaNoneSkipFirst:
      return FSPImagePixelSpecificationAlphaInfoSkipFirst;
    case kCGImageAlphaOnly:
      SPECTRUM_ERROR("unsupported_image_pixel_spec_alpha_only");
  }
}