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我具有每從短褲的陣列創建的像素灰度BufferedImage 16位：如何將16位灰度圖像寫入爲jpeg？
private BufferedImage get16bitImage(short[] pixels) {
ColorModel colorModel = new ComponentColorModel(
ColorSpace.getInstance(ColorSpace.CS_GRAY),
new int[]{16},
false,
false,
Transparency.OPAQUE,
DataBuffer.TYPE_USHORT);
DataBufferUShort db = new DataBufferUShort(pixels, pixels.length);
WritableRaster raster = Raster.createInterleavedRaster(
db,
imgD.width,
imgD.height,
imgD.width,
1,
new int[1],
null);
return new BufferedImage(colorModel, raster, false, null);
}
當試圖保存：
ImageIO.write(img, "PNG", new File(resultImgNamePNG)); // works fine
ImageIO.write(img, "BMP", new File(resultImgNameBMP)); // doesn't work, returns false
ImageIO.write(img, "JPEG", new File(resultImgNameJPEG)); // doesnt work, returns false
我嘗試使用JAI：
public void writeImageToJPEG(File out, BufferedImage image, float quality) throws IOException {
JPEGEncodeParam param = new JPEGEncodeParam();
param.setQuality(quality);
ImageEncoder encoder = ImageCodec.createImageEncoder("JPEG", new FileOutputStream(out), param);
encoder.encode(image);
}
encoder.encode(image)拋出java.lang.RuntimeException：只能寫入1個或3個字節的字節數據。