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

Example 41 with ComponentColorModel

use of java.awt.image.ComponentColorModel in project quick-media by liuyueyi.

the class PNGRed method createComponentColorModel.

/**
 * A convenience method to create an instance of
 * <code>ComponentColorModel</code> suitable for use with the
 * given <code>SampleModel</code>.  The <code>SampleModel</code>
 * should have a data type of <code>DataBuffer.TYPE_BYTE</code>,
 * <code>TYPE_USHORT</code>, or <code>TYPE_INT</code> and between
 * 1 and 4 bands.  Depending on the number of bands of the
 * <code>SampleModel</code>, either a gray, gray+alpha, rgb, or
 * rgb+alpha <code>ColorModel</code> is returned.
 */
public static ColorModel createComponentColorModel(SampleModel sm) {
    int type = sm.getDataType();
    int bands = sm.getNumBands();
    ComponentColorModel cm = null;
    if (type == DataBuffer.TYPE_BYTE) {
        switch(bands) {
            case 1:
                cm = colorModelGray8;
                break;
            case 2:
                cm = colorModelGrayAlpha8;
                break;
            case 3:
                cm = colorModelRGB8;
                break;
            case 4:
                cm = colorModelRGBA8;
                break;
        }
    } else if (type == DataBuffer.TYPE_USHORT) {
        switch(bands) {
            case 1:
                cm = colorModelGray16;
                break;
            case 2:
                cm = colorModelGrayAlpha16;
                break;
            case 3:
                cm = colorModelRGB16;
                break;
            case 4:
                cm = colorModelRGBA16;
                break;
        }
    } else if (type == DataBuffer.TYPE_INT) {
        switch(bands) {
            case 1:
                cm = colorModelGray32;
                break;
            case 2:
                cm = colorModelGrayAlpha32;
                break;
            case 3:
                cm = colorModelRGB32;
                break;
            case 4:
                cm = colorModelRGBA32;
                break;
        }
    }
    return cm;
}

Example 42 with ComponentColorModel

use of java.awt.image.ComponentColorModel in project quick-media by liuyueyi.

the class PNGImage method createComponentColorModel.

/**
 * A convenience method to create an instance of
 * <code>ComponentColorModel</code> suitable for use with the
 * given <code>SampleModel</code>.  The <code>SampleModel</code>
 * should have a data type of <code>DataBuffer.TYPE_BYTE</code>,
 * <code>TYPE_USHORT</code>, or <code>TYPE_INT</code> and between
 * 1 and 4 bands.  Depending on the number of bands of the
 * <code>SampleModel</code>, either a gray, gray+alpha, rgb, or
 * rgb+alpha <code>ColorModel</code> is returned.
 */
public static ColorModel createComponentColorModel(SampleModel sm) {
    int type = sm.getDataType();
    int bands = sm.getNumBands();
    ComponentColorModel cm = null;
    if (type == DataBuffer.TYPE_BYTE) {
        switch(bands) {
            case 1:
                cm = colorModelGray8;
                break;
            case 2:
                cm = colorModelGrayAlpha8;
                break;
            case 3:
                cm = colorModelRGB8;
                break;
            case 4:
                cm = colorModelRGBA8;
                break;
        }
    } else if (type == DataBuffer.TYPE_USHORT) {
        switch(bands) {
            case 1:
                cm = colorModelGray16;
                break;
            case 2:
                cm = colorModelGrayAlpha16;
                break;
            case 3:
                cm = colorModelRGB16;
                break;
            case 4:
                cm = colorModelRGBA16;
                break;
        }
    } else if (type == DataBuffer.TYPE_INT) {
        switch(bands) {
            case 1:
                cm = colorModelGray32;
                break;
            case 2:
                cm = colorModelGrayAlpha32;
                break;
            case 3:
                cm = colorModelRGB32;
                break;
            case 4:
                cm = colorModelRGBA32;
                break;
        }
    }
    return cm;
}

Example 43 with ComponentColorModel

use of java.awt.image.ComponentColorModel in project nutz by nutzam.

the class Images method createJPEG4.

/**
 * Java's ImageIO can't process 4-component images and Java2D can't apply
 * AffineTransformOp either, so convert raster data to RGB. Technique due to
 * MArk Stephens. Free for any use.
 */
private static BufferedImage createJPEG4(Raster raster) {
    int w = raster.getWidth();
    int h = raster.getHeight();
    byte[] rgb = new byte[w * h * 3];
    float[] Y = raster.getSamples(0, 0, w, h, 0, (float[]) null);
    float[] Cb = raster.getSamples(0, 0, w, h, 1, (float[]) null);
    float[] Cr = raster.getSamples(0, 0, w, h, 2, (float[]) null);
    float[] K = raster.getSamples(0, 0, w, h, 3, (float[]) null);
    for (int i = 0, imax = Y.length, base = 0; i < imax; i++, base += 3) {
        float k = 220 - K[i], y = 255 - Y[i], cb = 255 - Cb[i], cr = 255 - Cr[i];
        double val = y + 1.402 * (cr - 128) - k;
        val = (val - 128) * .65f + 128;
        rgb[base] = val < 0.0 ? (byte) 0 : val > 255.0 ? (byte) 0xff : (byte) (val + 0.5);
        val = y - 0.34414 * (cb - 128) - 0.71414 * (cr - 128) - k;
        val = (val - 128) * .65f + 128;
        rgb[base + 1] = val < 0.0 ? (byte) 0 : val > 255.0 ? (byte) 0xff : (byte) (val + 0.5);
        val = y + 1.772 * (cb - 128) - k;
        val = (val - 128) * .65f + 128;
        rgb[base + 2] = val < 0.0 ? (byte) 0 : val > 255.0 ? (byte) 0xff : (byte) (val + 0.5);
    }
    raster = Raster.createInterleavedRaster(new DataBufferByte(rgb, rgb.length), w, h, w * 3, 3, new int[] { 0, 1, 2 }, null);
    ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
    ColorModel cm = new ComponentColorModel(cs, false, true, Transparency.OPAQUE, DataBuffer.TYPE_BYTE);
    return new BufferedImage(cm, (WritableRaster) raster, true, null);
}

Example 44 with ComponentColorModel

use of java.awt.image.ComponentColorModel in project jwt by emweb.

the class WServerGLWidget method texImage2D.

@Override
public void texImage2D(WGLWidget.GLenum target, int level, WGLWidget.GLenum internalformat, WGLWidget.GLenum format, WGLWidget.GLenum type, WGLWidget.Texture texture) {
    BufferedImage initialImage = null;
    try {
        initialImage = ImageIO.read(new File(texture.getUrl()));
    } catch (IOException e) {
        logger.error("IOException reading {}", texture.getUrl(), e);
    }
    int openGlInternalFormat = serverGLenum(internalformat);
    int openGlImageFormat = serverGLenum(format);
    WritableRaster raster = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, initialImage.getWidth(), initialImage.getHeight(), 4, null);
    ComponentColorModel colorModel = new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), new int[] { 8, 8, 8, 8 }, true, false, ComponentColorModel.TRANSLUCENT, DataBuffer.TYPE_BYTE);
    BufferedImage bufImg = new BufferedImage(colorModel, raster, false, null);
    Graphics2D g = bufImg.createGraphics();
    g.translate(0, initialImage.getHeight());
    g.scale(1, -1);
    g.drawImage(initialImage, null, null);
    DataBufferByte imgBuf = (DataBufferByte) raster.getDataBuffer();
    byte[] bytes = imgBuf.getData();
    ByteBuffer buffer = ByteBuffer.wrap(bytes);
    g.dispose();
    glCtx_.glTexImage2D(GL2.GL_TEXTURE_2D, 0, openGlInternalFormat, initialImage.getWidth(), initialImage.getHeight(), 0, openGlImageFormat, GL2.GL_UNSIGNED_BYTE, buffer);
}