getRGB()源码实例Demo

java.awt.image.IndexColorModel#getRGB()源码实例Demo

下面列出了java.awt.image.IndexColorModel#getRGB() 实例代码,或者点击链接到github查看源代码,也可以在右侧发表评论。

源代码1 项目: dragonwell8_jdk   文件: ShortHistogramTest.java
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;
    }
 
源代码2 项目: TencentKona-8   文件: ShortHistogramTest.java
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;
    }
 
源代码3 项目: jdk8u60   文件: ShortHistogramTest.java
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;
    }
 
源代码4 项目: openjdk-jdk8u   文件: ShortHistogramTest.java
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;
    }
 
源代码5 项目: openjdk-jdk8u-backup   文件: ShortHistogramTest.java
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;
    }
 
源代码6 项目: openjdk-jdk9   文件: HeadlessIndexColorModel.java
public static void main(String args[]) {
    IndexColorModel cm =
            new IndexColorModel(8, 1, new byte[]{(byte) 128}, new byte[]{(byte) 128}, new byte[]{(byte) 128});
    cm.getTransparency();
    cm.getComponentSize();
    cm.isAlphaPremultiplied();
    cm.hasAlpha();
    cm.isAlphaPremultiplied();
    cm.getTransferType();
    cm.getPixelSize();
    cm.getComponentSize();
    cm.getNumComponents();
    cm.getNumColorComponents();
    cm.getRed(20);
    cm.getGreen(20);
    cm.getBlue(20);
    cm.getAlpha(20);
    cm.getRGB(20);
    cm.isAlphaPremultiplied();
}
 
源代码7 项目: openjdk-jdk9   文件: ShortHistogramTest.java
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;
    }
 
源代码8 项目: jdk8u-jdk   文件: ShortHistogramTest.java
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;
    }
 
源代码9 项目: hottub   文件: ShortHistogramTest.java
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;
    }
 
源代码10 项目: openjdk-8-source   文件: ShortHistogramTest.java
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;
    }
 
源代码11 项目: openjdk-8   文件: ShortHistogramTest.java
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;
    }
 
源代码12 项目: jdk8u_jdk   文件: ShortHistogramTest.java
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;
    }
 
源代码13 项目: jdk8u-jdk   文件: ShortHistogramTest.java
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;
    }
 
源代码14 项目: jdk8u-dev-jdk   文件: ShortHistogramTest.java
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;
    }
 
源代码15 项目: jtk   文件: PlotPanel.java
/**
 * Determines if a specified color map has more than one color.
 * Note that we ignore any variation in alpha.
 */
private static boolean isMultiColor(ColorMapped cm) {
  ColorMap cmap = cm.getColorMap();
  IndexColorModel icm = cmap.getColorModel();
  int n = icm.getMapSize();
  int rgb = icm.getRGB(0)&0x00ffffff;
  for (int i=1; i<n; ++i) 
    if (rgb!=(icm.getRGB(i)&0x00ffffff))
      return true;
  return false;
}
 
源代码16 项目: pumpernickel   文件: GifColorTable.java
/**
 * Creates a color table from a <code>ColorIndexModel</code>.
 * 
 * @param i
 *            this needs to be a byte-based <code>ColorIndexModel</code>.
 */
public GifColorTable(IndexColorModel i) {
	this.icm = i;
	int size = i.getMapSize();
	if (size == 0)
		throw new RuntimeException();

	// if size is not an exact power
	// of 2, we must round it up to one...
	int realSize;
	if (size == 2) {
		realSize = 2;
	} else if (size <= 4) {
		realSize = 4;
	} else if (size <= 8) {
		realSize = 8;
	} else if (size <= 16) {
		realSize = 16;
	} else if (size <= 32) {
		realSize = 32;
	} else if (size <= 64) {
		realSize = 64;
	} else if (size <= 128) {
		realSize = 128;
	} else if (size <= 256) {
		realSize = 256;
	} else {
		throw new RuntimeException(
				"The number of colors in a GIF color table must be between 2 and 256.");
	}

	data = new byte[3 * realSize];
	for (int a = 0; a < size; a++) {
		int rgb = i.getRGB(a);
		data[3 * a] = (byte) ((rgb >> 16) & 0xFF);
		data[3 * a + 1] = (byte) ((rgb >> 8) & 0xFF);
		data[3 * a + 2] = (byte) (rgb & 0xFF);
	}
}
 
源代码17 项目: jclic   文件: BMPEncoder.java
/**
 * Writes the colour map resulting from the source <tt>IndexColorModel</tt>.
 * @param icm the source <tt>IndexColorModel</tt>
 * @param out the output to which the colour map will be written
 * @throws java.io.IOException if an error occurs
 */
public static void writeColorMap(IndexColorModel icm, net.sf.image4j.io.LittleEndianOutputStream out) throws IOException {
  int mapSize = icm.getMapSize();
  for (int i = 0; i < mapSize; i++) {
    int rgb = icm.getRGB(i);
    int r = (rgb >> 16) & 0xFF;
    int g = (rgb >> 8) & 0xFF;
    int b = (rgb) &0xFF;
    out.writeByte(b);
    out.writeByte(g);
    out.writeByte(r);
    out.writeByte(0);
  }
}
 
源代码18 项目: sis   文件: ColorModelPatch.java
/**
 * Returns {@code true} if the given color models are equal. The {@link ColorModel} class
 * defines an {@code equals} method, but as of Java 6 that method does not compare every
 * attributes. For example it does not compare the color space and the transfer type, so
 * we have to compare them here.
 *
 * @param cm1  the first color model.
 * @param cm2  the second color model.
 * @return {@code true} if the two color models are equal.
 */
private static boolean equals(final ColorModel cm1, final ColorModel cm2) {
    if (cm1 == cm2) {
        return true;
    }
    if (cm1 != null && cm1.equals(cm2) &&
        cm1.getClass().equals(cm2.getClass()) &&
        cm1.getTransferType() == cm2.getTransferType() &&
        Objects.equals(cm1.getColorSpace(), cm2.getColorSpace()))
    {
        if (cm1 instanceof IndexColorModel) {
            final IndexColorModel icm1 = (IndexColorModel) cm1;
            final IndexColorModel icm2 = (IndexColorModel) cm2;
            final int size = icm1.getMapSize();
            if (icm2.getMapSize() == size &&
                icm1.getTransparentPixel() == icm2.getTransparentPixel() &&
                Objects.equals(icm1.getValidPixels(), icm2.getValidPixels()))
            {
                for (int i=0; i<size; i++) {
                    if (icm1.getRGB(i) != icm2.getRGB(i)) {
                        return false;
                    }
                }
            }
            if (cm1 instanceof MultiBandsIndexColorModel) {
                final MultiBandsIndexColorModel micm1 = (MultiBandsIndexColorModel) cm1;
                final MultiBandsIndexColorModel micm2 = (MultiBandsIndexColorModel) cm2;
                if (micm1.numBands != micm2.numBands || micm1.visibleBand != micm2.visibleBand) {
                    return false;
                }
            }
        }
        return true;
    }
    return false;
}
 
源代码19 项目: davmail   文件: ExeCompiler.java
public BufferedImage getQuantizedImage(Image img) {
    // 32 bit ico file already loaded as BufferedImage
    if (img instanceof BufferedImage) {
        return (BufferedImage) img;
    } else {
        int width = img.getWidth(null);
        int height = img.getHeight(null);
        int[][] data = new int[width][height];

        int[] pixelbuffer = new int[width * height];
        PixelGrabber grabber = new PixelGrabber(img, 0, 0, width, height, pixelbuffer, 0, width);
        try {
            grabber.grabPixels();
        } catch (InterruptedException e) {
            System.err.println("interrupted waiting for pixels!");
            throw new RuntimeException("Can't load the image provided", e);
        }
        for (int i = 0; i < pixelbuffer.length; i++) {
            data[i % width][i / width] = pixelbuffer[i];
        }

        int[][] savedata = new int[width][height];

        for (int y = 0; y < height; y++)
            for (int x = 0; x < width; x++)
                savedata[x][y] = data[x][y];

        int[] palette = net.charabia.util.codec.Quantize.quantizeImage(data, 255);
        byte[] cmap = new byte[256 * 4];

        for (int i = 0; i < palette.length; i++) {
            //		System.out.println(" i= " + (i));
            cmap[(i * 4)] = (byte) ((palette[i] >> 16) & 0xFF);
            cmap[(i * 4) + 1] = (byte) ((palette[i] >> 8) & 0xFF);
            cmap[(i * 4) + 2] = (byte) (palette[i] & 0xFF);
            cmap[(i * 4) + 3] = (byte) 0xFF;
        }

        IndexColorModel colmodel = new IndexColorModel(8, palette.length, cmap, 0, true, 0);
        BufferedImage result = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        //
        // The normal manner of quantizing would be to run
        // result.setRGB(0,0, width, height, pixelbuffer, 0, width);
        // where result is a BufferedImage of
        // BufferedImage.TYPE_BYTE_INDEXED type. Unfortunately, I
        // couldn't make it work. So, here is a work-around that
        // should work similarly.
        //
        java.util.Hashtable set = new java.util.Hashtable();
        for (int y = 0; y < height; y++) {
            for (int x = 0; x < width; x++) {
                int alpha = (savedata[x][y] >> 24) & 0xFF;
                if (alpha == 0) {
                    result.setRGB(x, y, 0);
                    // 				System.out.print(".");
                } else {
                    int rgb = colmodel.getRGB(data[x][y]);
                    rgb |= 0xFF000000;
                    set.put(new Integer(rgb), new Integer(rgb));
                    result.setRGB(x, y, rgb);
                    // 				System.out.print("*");
                }
            }
            //		System.out.println("");
        }


        return result;
    }
}