ImageOperations.java 文件源码

public static BufferedImage pixelsToImage(byte[] data, int w, int h) {
    DataBuffer buffer = new DataBufferByte(data, w * h);

    int pixelStride = 1; // assuming r, g, b,
                            // skip, r, g, b,
                            // skip...
    int scanlineStride = w; // no extra
                            // padding
    int[] bandOffsets = { 0 }; // r, g, b
    WritableRaster raster = Raster.createInterleavedRaster(buffer, w, h,
            scanlineStride, pixelStride, bandOffsets, null);

    ColorSpace colorSpace = ColorSpace.getInstance(ColorSpace.CS_GRAY);
    boolean hasAlpha = false;
    boolean isAlphaPremultiplied = false;
    int transparency = Transparency.OPAQUE;
    int transferType = DataBuffer.TYPE_BYTE;
    ColorModel colorModel = new ComponentColorModel(colorSpace, hasAlpha,
            isAlphaPremultiplied, transparency, transferType);

    return new BufferedImage(colorModel, raster, isAlphaPremultiplied, null);
}