Example usage for java.awt.image ColorModel createCompatibleSampleModel

Introduction

In this page you can find the example usage for java.awt.image ColorModel createCompatibleSampleModel.

Prototype

public SampleModel createCompatibleSampleModel(int w, int h) 

Source Link

Document

Creates a SampleModel with the specified width and height that has a data layout compatible with this ColorModel .

Usage

From source file:org.gallery.web.controller.ImageController.java

public static boolean compressImg(BufferedImage src, File outfile, double d) {
    FileOutputStream out = null;//from ww w.  j av  a2 s.c  om
    ImageWriter imgWrier;
    ImageWriteParam imgWriteParams;

    // ? jpg
    imgWrier = ImageIO.getImageWritersByFormatName("jpg").next();
    imgWriteParams = new javax.imageio.plugins.jpeg.JPEGImageWriteParam(null);
    // ??MODE_EXPLICIT
    imgWriteParams.setCompressionMode(imgWriteParams.MODE_EXPLICIT);
    // ?qality?0~1
    imgWriteParams.setCompressionQuality((float) d);
    imgWriteParams.setProgressiveMode(imgWriteParams.MODE_DISABLED);
    ColorModel colorModel = ColorModel.getRGBdefault();
    // ?
    imgWriteParams.setDestinationType(
            new javax.imageio.ImageTypeSpecifier(colorModel, colorModel.createCompatibleSampleModel(16, 16)));

    try {
        out = new FileOutputStream(outfile);
        imgWrier.reset();
        //  out?write, ImageOutputStream?
        // OutputStream
        imgWrier.setOutput(ImageIO.createImageOutputStream(out));
        // write???
        imgWrier.write(null, new IIOImage(src, null, null), imgWriteParams);
        out.flush();
        out.close();
    } catch (Exception e) {
        e.printStackTrace();
        return false;
    }
    return true;
}

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From source file:de.codesourcery.jasm16.emulator.devices.impl.RawImage.java

public RawImage(int width, int height) {
    data = new int[width * height];

    final DataBufferInt dataBuffer = new DataBufferInt(data, width * height);

    final ColorModel cm = new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    final SampleModel sm = cm.createCompatibleSampleModel(width, height);
    final WritableRaster wr = Raster.createWritableRaster(sm, dataBuffer, null);

    image = new BufferedImage(cm, wr, false, null);
}

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From source file:org.apache.flex.compiler.internal.embedding.transcoders.JPEGTranscoder.java

private byte[] bufferedImageToJPEG(ImageInfo imageInfo, int[] pixels) throws Exception {
    BufferedImage bufferedImage = new BufferedImage(imageInfo.width, imageInfo.height,
            BufferedImage.TYPE_INT_ARGB);
    bufferedImage.setRGB(0, 0, imageInfo.width, imageInfo.height, pixels, 0, imageInfo.width);

    ImageWriter writer = ImageIO.getImageWritersByFormatName("jpeg").next();
    ImageWriteParam writeParam = writer.getDefaultWriteParam();
    ColorModel colorModel = new DirectColorModel(24, 0x00ff0000, 0x0000ff00, 0x000000ff);
    ImageTypeSpecifier imageTypeSpecifier = new ImageTypeSpecifier(colorModel,
            colorModel.createCompatibleSampleModel(1, 1));
    writeParam.setDestinationType(imageTypeSpecifier);
    writeParam.setSourceBands(new int[] { 0, 1, 2 });
    writeParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);

    float q = 1.0f;
    if (quality != null)
        q = quality.floatValue();//from   w w  w  . j  av a 2  s  .  c  o  m
    writeParam.setCompressionQuality(q);

    DAByteArrayOutputStream buffer = new DAByteArrayOutputStream();
    writer.setOutput(new MemoryCacheImageOutputStream(buffer));

    IIOImage ioImage = new IIOImage(bufferedImage, null, null);

    writer.write(null, ioImage, writeParam);
    writer.dispose();

    return buffer.getDirectByteArray();
}

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From source file:org.polymap.core.data.image.ImageEncodeProcessor.java

private void imageioEncodeJPEG(Image image, ChunkedResponseOutputStream out) throws IOException {
    // this code is from http://forums.sun.com/thread.jspa?threadID=5197061
    ImageWriter writer = ImageIO.getImageWritersByFormatName("jpeg").next();
    ImageWriteParam param = writer.getDefaultWriteParam();
    param.setSourceBands(new int[] { 0, 1, 2 });
    ColorModel cm = new DirectColorModel(24, 0x00ff0000, // Red
            0x0000ff00, // Green
            0x000000ff, // Blue
            0x0); // Alpha
    param.setDestinationType(new ImageTypeSpecifier(cm, cm.createCompatibleSampleModel(1, 1)));

    ImageOutputStream imageOut = ImageIO.createImageOutputStream(out);
    writer.setOutput(imageOut);//from w ww.  j a  v a2s . c o m
    writer.write(null, new IIOImage((RenderedImage) image, null, null), param);
    writer.dispose();
    imageOut.close();
}

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From source file:org.shaman.terrain.polygonal.GraphToHeightmap.java

private void saveMatrix(float[][] matrix, String filename, float min, float max) {
    byte[] buffer = new byte[size * size];
    int i = 0;//ww w  .  ja  v  a  2 s  .  co m
    for (int x = 0; x < size; ++x) {
        for (int y = 0; y < size; ++y) {
            buffer[i] = (byte) ((matrix[x][y] - min) * 255 / (max - min));
            i++;
        }
    }
    ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_GRAY);
    int[] nBits = { 8 };
    ColorModel cm = new ComponentColorModel(cs, nBits, false, true, Transparency.OPAQUE, DataBuffer.TYPE_BYTE);
    SampleModel sm = cm.createCompatibleSampleModel(size, size);
    DataBufferByte db = new DataBufferByte(buffer, size * size);
    WritableRaster raster = Raster.createWritableRaster(sm, db, null);
    BufferedImage result = new BufferedImage(cm, raster, false, null);
    try {
        ImageIO.write(result, "png", new File(filename));
    } catch (IOException ex) {
        Logger.getLogger(SketchTerrain.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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From source file:org.shaman.terrain.polygonal.GraphToHeightmap.java

private void saveColorMatrix(float[][][] matrix, String filename, float min, float max) {
    byte[] buffer = new byte[size * size * 3];
    int i = 0;//from  w ww .j  a  v  a  2s.c o  m
    for (int x = 0; x < size; ++x) {
        for (int y = 0; y < size; ++y) {
            buffer[i] = (byte) ((matrix[x][y][0] - min) * 255 / (max - min));
            i++;
            buffer[i] = (byte) ((matrix[x][y][1] - min) * 255 / (max - min));
            i++;
            buffer[i] = (byte) ((matrix[x][y][2] - min) * 255 / (max - min));
            i++;
        }
    }
    ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_LINEAR_RGB);
    int[] nBits = { 8, 8, 8 };
    ColorModel cm = new ComponentColorModel(cs, nBits, false, true, Transparency.OPAQUE, DataBuffer.TYPE_BYTE);
    SampleModel sm = cm.createCompatibleSampleModel(size, size);
    DataBufferByte db = new DataBufferByte(buffer, size * size * 3);
    WritableRaster raster = Raster.createWritableRaster(sm, db, null);
    BufferedImage result = new BufferedImage(cm, raster, false, null);
    try {
        ImageIO.write(result, "png", new File(filename));
    } catch (IOException ex) {
        Logger.getLogger(SketchTerrain.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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