713 // Create the ITS and cache if for later use so that this method
714 // always returns an Iterator containing the same ITS objects.
715 seekToImage(imageIndex);
716 ImageTypeSpecifier itsRaw
717 = TIFFDecompressor.getRawImageTypeSpecifier(photometricInterpretation,
718 compression,
719 samplesPerPixel,
720 bitsPerSample,
721 sampleFormat,
722 extraSamples,
723 colorMap);
724
725 // Check for an ICCProfile field.
726 TIFFField iccProfileField
727 = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_ICC_PROFILE);
728
729 // If an ICCProfile field is present change the ImageTypeSpecifier
730 // to use it if the data layout is component type.
731 if (iccProfileField != null
732 && itsRaw.getColorModel() instanceof ComponentColorModel) {
733 // Create a ColorSpace from the profile.
734 byte[] iccProfileValue = iccProfileField.getAsBytes();
735 ICC_Profile iccProfile
736 = ICC_Profile.getInstance(iccProfileValue);
737 ICC_ColorSpace iccColorSpace
738 = new ICC_ColorSpace(iccProfile);
739
740 // Get the raw sample and color information.
741 ColorModel cmRaw = itsRaw.getColorModel();
742 ColorSpace csRaw = cmRaw.getColorSpace();
743 SampleModel smRaw = itsRaw.getSampleModel();
744
745 // Get the number of samples per pixel and the number
746 // of color components.
747 int numBands = smRaw.getNumBands();
748 int numComponents = iccColorSpace.getNumComponents();
749
750 // Replace the ColorModel with the ICC ColorModel if the
751 // numbers of samples and color components are amenable.
752 if (numBands == numComponents
753 || numBands == numComponents + 1) {
754 // Set alpha flags.
755 boolean hasAlpha = numComponents != numBands;
756 boolean isAlphaPre
757 = hasAlpha && cmRaw.isAlphaPremultiplied();
758
759 // Create a ColorModel of the same class and with
760 // the same transfer type.
761 ColorModel iccColorModel
762 = new ComponentColorModel(iccColorSpace,
763 cmRaw.getComponentSize(),
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713 // Create the ITS and cache if for later use so that this method
714 // always returns an Iterator containing the same ITS objects.
715 seekToImage(imageIndex);
716 ImageTypeSpecifier itsRaw
717 = TIFFDecompressor.getRawImageTypeSpecifier(photometricInterpretation,
718 compression,
719 samplesPerPixel,
720 bitsPerSample,
721 sampleFormat,
722 extraSamples,
723 colorMap);
724
725 // Check for an ICCProfile field.
726 TIFFField iccProfileField
727 = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_ICC_PROFILE);
728
729 // If an ICCProfile field is present change the ImageTypeSpecifier
730 // to use it if the data layout is component type.
731 if (iccProfileField != null
732 && itsRaw.getColorModel() instanceof ComponentColorModel) {
733 // Get the raw sample and color information.
734 ColorModel cmRaw = itsRaw.getColorModel();
735 ColorSpace csRaw = cmRaw.getColorSpace();
736 SampleModel smRaw = itsRaw.getSampleModel();
737
738 ColorSpace iccColorSpace = null;
739 try {
740 // Create a ColorSpace from the profile.
741 byte[] iccProfileValue = iccProfileField.getAsBytes();
742 ICC_Profile iccProfile
743 = ICC_Profile.getInstance(iccProfileValue);
744 iccColorSpace = new ICC_ColorSpace(iccProfile);
745
746 // Workaround for JDK-8145241: test a conversion and fall
747 // back to a standard ColorSpace if it fails. This
748 // workaround could be removed if JDK-8145241 is fixed.
749 float[] rgb =
750 iccColorSpace.toRGB(new float[] {1.0F, 1.0F, 1.0F});
751 } catch (Exception iccProfileException) {
752 processWarningOccurred("Superseding bad ICC profile: "
753 + iccProfileException.getMessage());
754
755 if (iccColorSpace != null) {
756 switch (iccColorSpace.getType()) {
757 case ColorSpace.TYPE_GRAY:
758 iccColorSpace =
759 ColorSpace.getInstance(ColorSpace.CS_GRAY);
760 break;
761 case ColorSpace.TYPE_RGB:
762 iccColorSpace =
763 ColorSpace.getInstance(ColorSpace.CS_sRGB);
764 break;
765 default:
766 iccColorSpace = csRaw;
767 break;
768 }
769 } else {
770 iccColorSpace = csRaw;
771 }
772 }
773
774 // Get the number of samples per pixel and the number
775 // of color components.
776 int numBands = smRaw.getNumBands();
777 int numComponents = iccColorSpace.getNumComponents();
778
779 // Replace the ColorModel with the ICC ColorModel if the
780 // numbers of samples and color components are amenable.
781 if (numBands == numComponents
782 || numBands == numComponents + 1) {
783 // Set alpha flags.
784 boolean hasAlpha = numComponents != numBands;
785 boolean isAlphaPre
786 = hasAlpha && cmRaw.isAlphaPremultiplied();
787
788 // Create a ColorModel of the same class and with
789 // the same transfer type.
790 ColorModel iccColorModel
791 = new ComponentColorModel(iccColorSpace,
792 cmRaw.getComponentSize(),
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