Examples with IndexColorModel java.awt.image.IndexColorModel used on opensource projects

Example 1 with IndexColorModel

use of java.awt.image.IndexColorModel in project AozoraEpub3 by hmdev.

the class ImageUtils method getGray256ColorModel.

/** 8bitグレースケール時のRGB階調カラーモデル取得 */
static ColorModel getGray256ColorModel() {
    if (GRAY256_COLOR_MODEL == null) {
        byte[] GRAY256_VALUES = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, -128, -127, -126, -125, -124, -123, -122, -121, -120, -119, -118, -117, -116, -115, -114, -113, -112, -111, -110, -109, -108, -107, -106, -105, -104, -103, -102, -101, -100, -99, -98, -97, -96, -95, -94, -93, -92, -91, -90, -89, -88, -87, -86, -85, -84, -83, -82, -81, -80, -79, -78, -77, -76, -75, -74, -73, -72, -71, -70, -69, -68, -67, -66, -65, -64, -63, -62, -61, -60, -59, -58, -57, -56, -55, -54, -53, -52, -51, -50, -49, -48, -47, -46, -45, -44, -43, -42, -41, -40, -39, -38, -37, -36, -35, -34, -33, -32, -31, -30, -29, -28, -27, -26, -25, -24, -23, -22, -21, -20, -19, -18, -17, -16, -15, -14, -13, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1 };
        GRAY256_COLOR_MODEL = new IndexColorModel(8, GRAY256_VALUES.length, GRAY256_VALUES, GRAY256_VALUES, GRAY256_VALUES);
    }
    return GRAY256_COLOR_MODEL;
}

Example 2 with IndexColorModel

use of java.awt.image.IndexColorModel in project jdk8u_jdk by JetBrains.

the class ShortHistogramTest method createTestICM.

protected IndexColorModel createTestICM(int numColors) {
    int[] palette = createTestPalette(numColors);
    int numBits = getNumBits(numColors);
    IndexColorModel icm = new IndexColorModel(numBits, numColors, palette, 0, false, -1, DataBuffer.TYPE_BYTE);
    return icm;
}

Example 3 with IndexColorModel

use of java.awt.image.IndexColorModel in project jdk8u_jdk by JetBrains.

the class ShortHistogramTest method createTestImage.

protected BufferedImage createTestImage(int numColors) {
    IndexColorModel icm = createTestICM(numColors);
    int w = numColors * 10;
    int h = 20;
    BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_BYTE_INDEXED, icm);
    Graphics2D g = img.createGraphics();
    for (int i = 0; i < numColors; i++) {
        int rgb = icm.getRGB(i);
        //System.out.printf("pixel %d, rgb %x\n", i, rgb);
        g.setColor(new Color(rgb));
        g.fillRect(i * 10, 0, w - i * 10, h);
    }
    g.dispose();
    return img;
}

Example 4 with IndexColorModel

use of java.awt.image.IndexColorModel in project jdk8u_jdk by JetBrains.

the class DrawImageBilinear method main.

public static void main(String[] args) {
    boolean show = false;
    for (String arg : args) {
        if ("-show".equals(arg)) {
            show = true;
        }
    }
    String arch = System.getProperty("os.arch");
    boolean isOglEnabled = Boolean.getBoolean("sun.java2d.opengl");
    skipOglTextureTest = isOglEnabled && ("sparc".equals(arch));
    System.out.println("Skip OpenGL texture test: " + skipOglTextureTest);
    DrawImageBilinear test = new DrawImageBilinear();
    Frame frame = new Frame();
    frame.add(test);
    frame.pack();
    frame.setVisible(true);
    // Wait until the component's been painted
    synchronized (test) {
        while (!done) {
            try {
                test.wait();
            } catch (InterruptedException e) {
                throw new RuntimeException("Failed: Interrupted");
            }
        }
    }
    GraphicsConfiguration gc = frame.getGraphicsConfiguration();
    if (gc.getColorModel() instanceof IndexColorModel) {
        System.out.println("IndexColorModel detected: " + "test considered PASSED");
        frame.dispose();
        return;
    }
    if (!show) {
        frame.dispose();
    }
    if (capture == null) {
        throw new RuntimeException("Failed: capture is null");
    }
    // Test background color
    int pixel = capture.getRGB(5, 5);
    if (pixel != 0xffffffff) {
        throw new RuntimeException("Failed: Incorrect color for " + "background");
    }
    // Test pixels
    testRegion(capture, new Rectangle(10, 10, 40, 40));
    testRegion(capture, new Rectangle(80, 10, 40, 40));
    testRegion(capture, new Rectangle(150, 10, 40, 40));
}

Example 5 with IndexColorModel

use of java.awt.image.IndexColorModel in project jdk8u_jdk by JetBrains.

the class RleEncodingTest method encodeRLE8Test.

private static void encodeRLE8Test() throws IOException {
    // create 8bpp image
    byte[] r = new byte[256];
    r[0] = (byte) 0xff;
    byte[] g = new byte[256];
    g[1] = (byte) 0xff;
    byte[] b = new byte[256];
    b[2] = (byte) 0xff;
    IndexColorModel icm = new IndexColorModel(8, 256, r, g, b);
    BufferedImage bimg = new BufferedImage(100, 100, BufferedImage.TYPE_BYTE_INDEXED, icm);
    Graphics gr = bimg.getGraphics();
    gr.setColor(Color.green);
    gr.fillRect(0, 0, 100, 100);
    doTest(bimg, "BI_RLE8", ImageWriteParam.MODE_EXPLICIT);
}