Examples of java.awt.image.ColorConvertOp

java.awt.image.ColorConvertOp
This class performs a pixel-by-pixel color conversion of the data in the source image. The resulting color values are scaled to the precision of the destination image. Color conversion can be specified via an array of ColorSpace objects or an array of ICC_Profile objects.
If the source is a BufferedImage with premultiplied alpha, the color components are divided by the alpha component before color conversion. If the destination is a BufferedImage with premultiplied alpha, the color components are multiplied by the alpha component after conversion. Rasters are treated as having no alpha channel, i.e. all bands are color bands.
If a RenderingHints object is specified in the constructor, the color rendering hint and the dithering hint may be used to control color conversion.
Note that Source and Destination may be the same object.
@see java.awt.RenderingHints#KEY_COLOR_RENDERING @see java.awt.RenderingHints#KEY_DITHERING

  
  private void profileTest(TestHarness harness, ICC_Profile[] profiles)
  {
    harness.checkPoint("profile test, " + profiles[profiles.length-1].getClass().getName());


    ColorConvertOp op = new ColorConvertOp(profiles, null);
    
    Raster src = Raster.createBandedRaster(DataBuffer.TYPE_INT, 25, 40, 5, new Point(5, 5));


    try
    {
      Raster dst = op.createCompatibleDestRaster(src);
      harness.check(dst.getHeight(), src.getHeight());
      harness.check(dst.getWidth(), src.getWidth());
      
      // It appears we always use TYPE_BYTE regardless of the source raster
      harness.check(dst.getTransferType(), DataBuffer.TYPE_BYTE);
      harness.check(dst.getDataBuffer().getDataType(), DataBuffer.TYPE_BYTE);
      
      // GRAY is the exception with 1 band; all others have 3
      if (profiles[profiles.length-1].getColorSpaceType() == ColorSpace.TYPE_GRAY)
        {
          harness.check(dst.getNumBands(), 1);
          harness.check(dst.getNumDataElements(), 1);
        }
      else
        {
          harness.check(dst.getNumBands(), 3);
          harness.check(dst.getNumDataElements(), 3);
        }
    }
    catch (IllegalArgumentException e)
    {
      harness.check(false);
    }
    
    // Try different numbers of bands in the source; the destination will
    // ignore this and always have ColorSpace.getNumComponents() bands
    
    // Essentially the dest raster will be identical to the case above, 
    // regardless of number of source bands (which makes sense)
    for (int i = 1; i < 5; i++)
      {
        src = Raster.createBandedRaster(DataBuffer.TYPE_INT, 25, 40, i, new Point(5, 5));
        try
        {
          Raster dst = op.createCompatibleDestRaster(src);
          harness.check(dst.getTransferType(), DataBuffer.TYPE_BYTE);
          harness.check(dst.getDataBuffer().getDataType(), DataBuffer.TYPE_BYTE);
          
          if (profiles[profiles.length-1].getColorSpaceType() == ColorSpace.TYPE_GRAY)
            {

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    //  This is a simple test; the Op should not change the
    // dimensions of the raster
    
    WritableRaster src = Raster.createBandedRaster(DataBuffer.TYPE_INT, 5, 5, 1, new Point(0,0));
    ColorConvertOp op = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_sRGB),
                                           null);
    harness.check(op.getBounds2D(src), src.getBounds());
  }

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        // alpha values of 0 result in a black dest pixel!!!
        BufferedImage rgbImage = new BufferedImage(
                image.getWidth(),
                image.getHeight(),
                BufferedImage.TYPE_3BYTE_BGR);
        return new ColorConvertOp(null).filter(image, rgbImage);
    }

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            }
            else
            {
                result = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, w, h, getColorModel()
                        .getNumComponents(), new Point(0, 0));
                ColorConvertOp colorConvertOp = new ColorConvertOp(
                        parentColorModel.getColorSpace(), colorModel.getColorSpace(), null);
                colorConvertOp.filter(parentRaster, result);
            }


            int softMaskMinX = softMaskRaster.getMinX();
            int softMaskMinY = softMaskRaster.getMinY();
            int softMaskMaxX = softMaskMinX + softMaskRaster.getWidth();

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                                      null);


            // System.out.println("src: " + srcBI.getWidth() + "x" + 
            //                    srcBI.getHeight());


            ColorConvertOp op = new ColorConvertOp(dstCM.getColorSpace(), 
                                                   null);
            dstBI = op.filter(srcBI, null);


            // System.out.println("After filter:");
            
            WritableRaster wr00 = wr.createWritableTranslatedChild(0,0);
            for (int i=0; i<dstCM.getColorSpace().getNumComponents(); i++)

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             *                    srcBI.getHeight());
             * System.out.println("dst: " + dstBI.getWidth() + "x" + 
             *                    dstBI.getHeight());
             */


            ColorConvertOp op = new ColorConvertOp(null);
            op.filter(srcBI, dstBI);


            if (dstCM.hasAlpha())
                copyBand(srcWr, srcSM.getNumBands()-1,
                         wr,    getSampleModel().getNumBands()-1);
        }

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        if (filterColor) {
            this.colorFilter = new RescaleOp(scaleColor, offsetColor, null);
        }


        if (par.getParameterAsBoolean("grayscale", GRAYSCALE_DEFAULT)) {
            this.grayscaleFilter = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null);
        }


        this.enlarge = par.getParameterAsBoolean("allow-enlarging", ENLARGE_DEFAULT);
        this.fitUniform = par.getParameterAsBoolean("fit-uniform", FIT_DEFAULT);

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                     DataBuffer.TYPE_BYTE);


                dstBI = new BufferedImage(cmna, dstWr, false, null);
            }


            ColorConvertOp op = new ColorConvertOp(null);
            op.filter(srcBI, dstBI);


            // Have to 'fix' alpha premult
            if (dstCM.hasAlpha()) {
                copyBand(srcWr, sm.getNumBands()-1,
                         wr,    getSampleModel().getNumBands()-1);

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                                      null);


            // System.out.println("src: " + srcBI.getWidth() + "x" + 
            //                    srcBI.getHeight());


            ColorConvertOp op = new ColorConvertOp(dstCM.getColorSpace(), 
                                                   null);
            dstBI = op.filter(srcBI, null);


            // System.out.println("After filter:");
            
            WritableRaster wr00 = wr.createWritableTranslatedChild(0,0);
            for (int i=0; i<dstCM.getColorSpace().getNumComponents(); i++)

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                (DataBuffer.TYPE_BYTE, argbWR.getWidth(), argbWR.getHeight(),
                 sRGBCompCM.getNumComponents(), new Point(0, 0));


            BufferedImage sRGBImage = new BufferedImage
                (sRGBCompCM, wr, false, null);
            ColorConvertOp colorConvertOp = new ColorConvertOp(null);
            colorConvertOp.filter(newImg, sRGBImage);


            /**
             * Integrate alpha back into the image if there is any
             */
            if (imgCM.hasAlpha()){

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