Package com.google.code.appengine.awt.image

Examples of com.google.code.appengine.awt.image.ColorModel

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     * @param image
     * @return
     */
    private int getSourceCSType(RenderedImage image) {
        int type = JPEGConsts.JCS_UNKNOW;
        ColorModel cm = image.getColorModel();

        if (null == cm) {
            return type;
        }

        if (cm instanceof IndexColorModel) {
            // TODO: implement
            throw new UnsupportedOperationException(Messages.getString("imageio.80"));
        }

        boolean hasAlpha = cm.hasAlpha();
        ColorSpace cs = cm.getColorSpace();
        switch(cs.getType()) {
            case ColorSpace.TYPE_GRAY:
                type = JPEGConsts.JCS_GRAYSCALE;
                break;
           case ColorSpace.TYPE_RGB:
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     * @param image
     * @return
     */
    private int getDestinationCSType(RenderedImage image) {
        int type = JPEGConsts.JCS_UNKNOW;
        ColorModel cm = image.getColorModel();
        if (null != cm) {
            boolean hasAlpha = cm.hasAlpha();
            ColorSpace cs = cm.getColorSpace();

            switch(cs.getType()) {
                case ColorSpace.TYPE_GRAY:
                    type = JPEGConsts.JCS_GRAYSCALE;
                    break;
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        int size = width*height*pixelSize;
        size += (width % pad)*height;
        int index = 0;
        byte[] bytes = new byte[size];
       
        ColorModel colorModel = image.getColorModel();

        for (int y=0; y<height; y++) {
            for (int x=0; x<width; x++) {

                int argb = colorModel.getRGB(raster.getDataElements(x, y, (Object)null));
                int a = ((argb >> 24) & 0xFF);
                int r = ((argb >> 16) & 0xFF);
                int g = ((argb >>  8) & 0xFF);
                int b = ((argb >>  0) & 0xFF);
               
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        // BufferedImage
        // with its actual (presumably correct) Colorspace.
        // use this when the image is mislabeled, presumably having been
        // wrongly assumed to be sRGB

        ColorModel cm = deriveColorModel(bi, cs);

        return relabelColorSpace(bi, cm);

    }
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    }

    public BufferedImage convertTosRGB(BufferedImage bi) {
        ColorSpace cs_sRGB = ColorSpace.getInstance(ColorSpace.CS_sRGB);

        ColorModel srgbCM = ColorModel.getRGBdefault();
        cs_sRGB = srgbCM.getColorSpace();

        return convertToColorSpace(bi, cs_sRGB);
    }
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    protected BufferedImage convertFromColorSpace(BufferedImage bi,
            ColorSpace from) {
        ColorSpace cs_sRGB;

        ColorModel srgbCM = ColorModel.getRGBdefault();
        cs_sRGB = srgbCM.getColorSpace();

        return convertBetweenColorSpaces(bi, from, cs_sRGB);

    }
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    public static ImageTypeSpecifier createPacked(final ColorSpace colorSpace,
                    final int redMask, final int greenMask, final int blueMask,
                    final int alphaMask, final int transferType,
                    final boolean isAlphaPremultiplied) {
        final ColorModel model = new DirectColorModel(colorSpace, 32, redMask,
                        greenMask, blueMask, alphaMask, isAlphaPremultiplied,
                        transferType);
        return new ImageTypeSpecifier(model, model.createCompatibleSampleModel(
            1, 1));
    }
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        for (int i = 0; i < numComponents; i++) {
            bits[i] = DataBuffer.getDataTypeSize(dataType);
        }
       
        ColorModel colorModel = new ComponentColorModel(colorSpace,
                                                        bits,
                                                        hasAlpha,
                                                        isAlphaPremultiplied,
                                                        transparency,
                                                        dataType);
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        for (int i = 0; i < numComponents; i++) {
            bits[i] = DataBuffer.getDataTypeSize(dataType);
        }
        int transparency = hasAlpha ? Transparency.TRANSLUCENT : Transparency.OPAQUE;
       
        ColorModel colorModel = new ComponentColorModel(colorSpace,
                                                        bits,
                                                        hasAlpha,
                                                        isAlphaPremultiplied,
                                                        transparency,
                                                        dataType);
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        numBits[0] = bits;
        if (numComponent ==2) {
            numBits[1] = bits;
        }
        int transparency = hasAlpha ? Transparency.TRANSLUCENT : Transparency.OPAQUE;
        ColorModel model = new ComponentColorModel(colorSpace, numBits, hasAlpha, isAlphaPremultiplied, transparency, dataType);

        return new ImageTypeSpecifier(model, model.createCompatibleSampleModel(1, 1));
    }
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Related Classes of com.google.code.appengine.awt.image.ColorModel

  • com.google.code.appengine.awt.image.AffineTransformOp
  • com.google.code.appengine.awt.image.BufferedImageFilter
  • com.google.code.appengine.awt.image.ColorConvertOp
  • com.google.code.appengine.awt.image.ColorModel
  • com.google.code.appengine.awt.image.ConvolveOp
  • com.google.code.appengine.awt.image.DirectColorModel
  • com.google.code.appengine.awt.image.IndexColorModel
  • com.google.code.appengine.awt.image.LookupOp
  • com.google.code.appengine.awt.image.renderable.RenderableImageProducer
  • com.google.code.appengine.awt.image.RescaleOp
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