batik-codec/src/main/java/org/apache/batik/ext/awt/image/codec/png/PNGImageDecoder.java [911:964]:
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    public static ColorModel createComponentColorModel(SampleModel sm) {
        int type = sm.getDataType();
        int bands = sm.getNumBands();
        ComponentColorModel cm = null;

        if (type == DataBuffer.TYPE_BYTE) {
            switch (bands) {
            case 1:
                cm = colorModelGray8;
                break;
            case 2:
                cm = colorModelGrayAlpha8;
                break;
            case 3:
                cm = colorModelRGB8;
                break;
            case 4:
                cm = colorModelRGBA8;
                break;
            }
        } else if (type == DataBuffer.TYPE_USHORT) {
            switch (bands) {
            case 1:
                cm = colorModelGray16;
                break;
            case 2:
                cm = colorModelGrayAlpha16;
                break;
            case 3:
                cm = colorModelRGB16;
                break;
            case 4:
                cm = colorModelRGBA16;
                break;
            }
        } else if (type == DataBuffer.TYPE_INT) {
            switch (bands) {
            case 1:
                cm = colorModelGray32;
                break;
            case 2:
                cm = colorModelGrayAlpha32;
                break;
            case 3:
                cm = colorModelRGB32;
                break;
            case 4:
                cm = colorModelRGBA32;
                break;
            }
        }

        return cm;
    }
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batik-codec/src/main/java/org/apache/batik/ext/awt/image/codec/png/PNGRed.java [922:975]:
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    public static ColorModel createComponentColorModel(SampleModel sm) {
        int type = sm.getDataType();
        int bands = sm.getNumBands();
        ComponentColorModel cm = null;

        if (type == DataBuffer.TYPE_BYTE) {
            switch (bands) {
            case 1:
                cm = colorModelGray8;
                break;
            case 2:
                cm = colorModelGrayAlpha8;
                break;
            case 3:
                cm = colorModelRGB8;
                break;
            case 4:
                cm = colorModelRGBA8;
                break;
            }
        } else if (type == DataBuffer.TYPE_USHORT) {
            switch (bands) {
            case 1:
                cm = colorModelGray16;
                break;
            case 2:
                cm = colorModelGrayAlpha16;
                break;
            case 3:
                cm = colorModelRGB16;
                break;
            case 4:
                cm = colorModelRGBA16;
                break;
            }
        } else if (type == DataBuffer.TYPE_INT) {
            switch (bands) {
            case 1:
                cm = colorModelGray32;
                break;
            case 2:
                cm = colorModelGrayAlpha32;
                break;
            case 3:
                cm = colorModelRGB32;
                break;
            case 4:
                cm = colorModelRGBA32;
                break;
            }
        }

        return cm;
    }
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