public BufferedImage convertToIntDiscrete(Raster raster) { if (!isCompatibleRaster(raster)) throw new IllegalArgumentException( "This raster is not compatible with this PaletteColorModel."); ColorModel cm = new DirectColorModel(getColorSpace(), 24, 0xff0000, 0x00ff00, 0x0000ff, 0, false, DataBuffer.TYPE_INT); int w = raster.getWidth(); int h = raster.getHeight(); WritableRaster discreteRaster = cm.createCompatibleWritableRaster(w, h); int[] discretData = ((DataBufferInt) discreteRaster.getDataBuffer()).getData(); DataBuffer data = raster.getDataBuffer(); if (data instanceof DataBufferByte) { byte[] pixels = ((DataBufferByte) data).getData(); for (int i = 0; i < pixels.length; i++) discretData[i] = getRGB(pixels[i]); } else { short[] pixels = ((DataBufferUShort) data).getData(); for (int i = 0; i < pixels.length; i++) discretData[i] = getRGB(pixels[i]); } return new BufferedImage(cm, discreteRaster, false, null); }
public BufferedImage convertToIntDiscrete(Raster raster) { if (!isCompatibleRaster(raster)) throw new IllegalArgumentException( "This raster is not compatible with this PaletteColorModel."); ColorModel cm = new DirectColorModel(getColorSpace(), 24, 0xff0000, 0x00ff00, 0x0000ff, 0, false, DataBuffer.TYPE_INT); int w = raster.getWidth(); int h = raster.getHeight(); WritableRaster discreteRaster = cm.createCompatibleWritableRaster(w, h); int[] discretData = ((DataBufferInt) discreteRaster.getDataBuffer()).getData(); DataBuffer data = raster.getDataBuffer(); if (data instanceof DataBufferByte) { byte[] pixels = ((DataBufferByte) data).getData(); for (int i = 0; i < pixels.length; i++) discretData[i] = getRGB(pixels[i]); } else { short[] pixels = ((DataBufferUShort) data).getData(); for (int i = 0; i < pixels.length; i++) discretData[i] = getRGB(pixels[i]); } return new BufferedImage(cm, discreteRaster, false, null); }