Examples of java.awt.image.SampleModel.createCompatibleSampleModel()

java.awt.image.SampleModel.createCompatibleSampleModel()
Creates a SampleModel which describes data in this SampleModel's format, but with a different width and height. @param w the width of the image data @param h the height of the image data @return a SampleModel describing the same imagedata as this SampleModel, but with a different size.

                // image data are modified so if this image is mutable
                // a copy must be created.
                SampleModel sm = tile.getSampleModel();
                if(sm.getWidth() != region.width ||
                   sm.getHeight() != region.height) {
                    sm = sm.createCompatibleSampleModel(region.width,
                                                        region.height);
                }
                WritableRaster destinationRaster =
                    createWritableRaster(sm, region.getLocation());
                Raster sourceRaster =

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                }
            } else {
                SampleModel sm = sampleModel;
                if(sm.getWidth() != region.width ||
                   sm.getHeight() != region.height) {
                    sm = sm.createCompatibleSampleModel(region.width,
                                                        region.height);
                }


                try {
                    dstRaster = createWritableRaster(sm,

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            region = getBounds();


            SampleModel sm = getSampleModel();
            if(sm.getWidth() != region.width ||
               sm.getHeight() != region.height) {
                sm = sm.createCompatibleSampleModel(region.width,
                                                    region.height);
            }
            raster = createWritableRaster(sm, region.getLocation());
        } else {
            region = raster.getBounds().intersection(getBounds());

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        // Create a WritableRaster of the desired size
        SampleModel destSM = getSampleModel();
        if(destSM.getWidth() != region.width ||
           destSM.getHeight() != region.height) {
            destSM = destSM.createCompatibleSampleModel(region.width,
                                                        region.height);
        }


        // Translate it
        WritableRaster dest = createWritableRaster(destSM,

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                // Get the SampleModel.
                if(layout.isValid(ImageLayout.SAMPLE_MODEL_MASK)) {
                    sm = layout.getSampleModel(null);
                    if(sm.getWidth() != tileWidth ||
                       sm.getHeight() != tileHeight) {
                        sm = sm.createCompatibleSampleModel(tileWidth,
                                                            tileHeight);
                    }
                    if(layoutObserved != null) {
                        layoutObserved.setSampleModel(sm);
                    }

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        } // hints != null


        // Ensure that the SampleModel is compatible with the tile size.
        if(sm != null &&
           (sm.getWidth() != tileWidth || sm.getHeight() != tileHeight)) {
            sm = sm.createCompatibleSampleModel(tileWidth, tileHeight);
        }


        // Attempt to derive compatible SampleModel/ColorModel combination.
        if(cm != null && (sm == null ||
                          !JDKWorkarounds.areCompatibleDataModels(sm, cm))) {

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        /* Validate destination sampleModel. */
        SampleModel srcSM = sourceUnder.getSampleModel();
        if (sampleModel.getTransferType() != srcSM.getTransferType() ||
            sampleModel.getNumBands() != srcSM.getNumBands()) {
            sampleModel = srcSM.createCompatibleSampleModel(
                                tileWidth, tileHeight);


            if(colorModel != null &&
               !JDKWorkarounds.areCompatibleDataModels(sampleModel,
                                                       colorModel)) {

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        if ((workingBaseRaster == null) ||
            (workingBaseRaster.getWidth()  < w) ||
            (workingBaseRaster.getHeight() < h)) {


            sm = sm.createCompatibleSampleModel(w, h);
            
            workingBaseRaster 
                = Raster.createWritableRaster(sm, new Point(0,0));


            workingRaster = workingBaseRaster.createWritableChild

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        if (h < defSz) h = defSz;
        if (h > bounds.height) h = bounds.height;


        // System.out.println("Pad SMSz: " + w + "x" + h);


        return sm.createCompatibleSampleModel(w, h);
    }
}

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    public WritableRaster copyData(WritableRaster wr) {
        ColorModel  cm    = getColorModel();
        CachableRed cr    = getSource();
        ColorModel  srcCM = cr.getColorModel();
        SampleModel srcSM = cr.getSampleModel();
        srcSM = srcSM.createCompatibleSampleModel(wr.getWidth(),
                                                  wr.getHeight());
        WritableRaster srcWR;
        srcWR = Raster.createWritableRaster(srcSM, new Point(wr.getMinX(),
                                                             wr.getMinY()));
        getSource().copyData(srcWR);

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