List of rescaleToBytes() Examples

Examples of rescaleToBytes()

org.geotools.image.ImageWorker.rescaleToBytes()
Rescales the {@linkplain #image} such that it uses 8 bits. If the image already uses 8 bits, then this method does nothing. Otherwise thismethod computes the minimum and maximum values for each band, {@linkplain RescaleDescriptor rescale} them in the range {@code [0 .. 255]} andforce the resulting image to {@link DataBuffer#TYPE_BYTE TYPE_BYTE}. @return This ImageWorker @see #isBytes @see RescaleDescriptor

Examples of org.geotools.image.ImageWorker.rescaleToBytes()


    private static RenderedImage applyPalette(RenderedImage canvas) {
        if (!(canvas.getColorModel() instanceof IndexColorModel)) {
            // try to force a RGBA setup
            ImageWorker imageWorker = new ImageWorker(canvas);
            RenderedImage image = imageWorker.rescaleToBytes().forceComponentColorModel()
                    .getRenderedImage();
            ColorIndexer indexer = new Quantizer(256).subsample().buildColorIndexer(image);


            // if we have an indexer transform the image
            if (indexer != null) {

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