java类java.awt.image.DirectColorModel的实例源码

WGLGraphicsConfig.java 文件源码 项目:jdk8u_jdk 阅读 31 收藏 0 点赞 0 评论 0
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
GLXGraphicsConfig.java 文件源码 项目:jdk8u_jdk 阅读 24 收藏 0 点赞 0 评论 0
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
WebP.java 文件源码 项目:webp-imageio 阅读 21 收藏 0 点赞 0 评论 0
private static byte[] extractDirectRGBInt( int aWidth, int aHeight, DirectColorModel aColorModel, SinglePixelPackedSampleModel aSampleModel, DataBufferInt aDataBuffer ) {
  byte[] out = new byte[ aWidth * aHeight * 3 ];

  int rMask = aColorModel.getRedMask();
  int gMask = aColorModel.getGreenMask();
  int bMask = aColorModel.getBlueMask();
  int rShift = getShift( rMask );
  int gShift = getShift( gMask );
  int bShift = getShift( bMask );
  int[] bank = aDataBuffer.getBankData()[ 0 ];
  int scanlineStride = aSampleModel.getScanlineStride();
  int scanIx = 0;
  for ( int b = 0, y = 0; y < aHeight; y++ ) {
    int pixIx = scanIx;
    for ( int x = 0; x < aWidth; x++, b += 3 ) {
      int pixel = bank[ pixIx++ ];
      out[ b ] = ( byte ) ( ( pixel & rMask ) >>> rShift );
      out[ b + 1 ] = ( byte ) ( ( pixel & gMask ) >>> gShift );
      out[ b + 2 ] = ( byte ) ( ( pixel & bMask ) >>> bShift );
    }
    scanIx += scanlineStride;
  }
  return out;
}
BufferedImageGraphicsConfig.java 文件源码 项目:OpenJSharp 阅读 21 收藏 0 点赞 0 评论 0
/**
 * Returns the color model associated with this configuration that
 * supports the specified transparency.
 */
public ColorModel getColorModel(int transparency) {

    if (model.getTransparency() == transparency) {
        return model;
    }
    switch (transparency) {
    case Transparency.OPAQUE:
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        return ColorModel.getRGBdefault();
    default:
        return null;
    }
}
CGLGraphicsConfig.java 文件源码 项目:OpenJSharp 阅读 23 收藏 0 点赞 0 评论 0
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
D3DGraphicsConfig.java 文件源码 项目:OpenJSharp 阅读 33 收藏 0 点赞 0 评论 0
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
WGLGraphicsConfig.java 文件源码 项目:OpenJSharp 阅读 18 收藏 0 点赞 0 评论 0
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
GLXGraphicsConfig.java 文件源码 项目:OpenJSharp 阅读 18 收藏 0 点赞 0 评论 0
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
BufferedImageGraphicsConfig.java 文件源码 项目:jdk8u-jdk 阅读 21 收藏 0 点赞 0 评论 0
/**
 * Returns the color model associated with this configuration that
 * supports the specified transparency.
 */
public ColorModel getColorModel(int transparency) {

    if (model.getTransparency() == transparency) {
        return model;
    }
    switch (transparency) {
    case Transparency.OPAQUE:
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        return ColorModel.getRGBdefault();
    default:
        return null;
    }
}
CGLGraphicsConfig.java 文件源码 项目:jdk8u-jdk 阅读 25 收藏 0 点赞 0 评论 0
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
D3DGraphicsConfig.java 文件源码 项目:jdk8u-jdk 阅读 32 收藏 0 点赞 0 评论 0
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
WGLGraphicsConfig.java 文件源码 项目:jdk8u-jdk 阅读 28 收藏 0 点赞 0 评论 0
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
GLXGraphicsConfig.java 文件源码 项目:jdk8u-jdk 阅读 23 收藏 0 点赞 0 评论 0
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
BufferedImageGraphicsConfig.java 文件源码 项目:openjdk-jdk10 阅读 55 收藏 0 点赞 0 评论 0
/**
 * Returns the color model associated with this configuration that
 * supports the specified transparency.
 */
public ColorModel getColorModel(int transparency) {

    if (model.getTransparency() == transparency) {
        return model;
    }
    switch (transparency) {
    case Transparency.OPAQUE:
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        return ColorModel.getRGBdefault();
    default:
        return null;
    }
}
GLXGraphicsConfig.java 文件源码 项目:openjdk-jdk10 阅读 25 收藏 0 点赞 0 评论 0
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
CGLGraphicsConfig.java 文件源码 项目:openjdk-jdk10 阅读 30 收藏 0 点赞 0 评论 0
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
D3DGraphicsConfig.java 文件源码 项目:openjdk-jdk10 阅读 26 收藏 0 点赞 0 评论 0
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
WGLGraphicsConfig.java 文件源码 项目:openjdk-jdk10 阅读 28 收藏 0 点赞 0 评论 0
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
PackedColorModelEqualsTest.java 文件源码 项目:openjdk-jdk10 阅读 20 收藏 0 点赞 0 评论 0
private static void verifyEquals(DirectColorModel m1,
                                 DirectColorModel m2) {
    if (m1.equals(null)) {
        throw new RuntimeException("equals(null) returns true");
    }
    if (!(m1.equals(m2))) {
        throw new RuntimeException("equals() method is not working"
                + " properly");
    }
    if (!(m2.equals(m1))) {
        throw new RuntimeException("equals() method is not working"
                + " properly");
    }
    if (m1.hashCode() != m2.hashCode()) {
        throw new RuntimeException("HashCode is not same for same"
                + " PackedColorModels");
    }
}
PackedColorModelEqualsTest.java 文件源码 项目:openjdk-jdk10 阅读 19 收藏 0 点赞 0 评论 0
private static void testMaskArrayEquality() {
    /*
     * Test with different maskArray values, since PackedColorModel
     * is abstract we use subclass DirectColorModel.
     */
    DirectColorModel model1 =
        new DirectColorModel(24, 0x00FF0000, 0x0000FF00, 0x000000FF);
    DirectColorModel model2 =
        new DirectColorModel(24, 0x000000FF, 0x0000FF00, 0x00FF0000);
    if (model1.equals(model2)) {
        throw new RuntimeException("equals() method is determining"
                + " ColorMap equality improperly");
    }
    if (model2.equals(model1)) {
        throw new RuntimeException("equals() method is determining"
                + " ColorMap equality improperly");
    }
}
PackedColorModelEqualsTest.java 文件源码 项目:openjdk-jdk10 阅读 19 收藏 0 点赞 0 评论 0
private static void testConstructor2() {
    /*
     * verify equality with constructor
     * DirectColorModel(ColorSpace space, int bits, int rmask, int gmask,
     * int bmask, int amask, boolean isAlphaPremultiplied, int transferType)
     */
    DirectColorModel model1 =
        new DirectColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB),
                32, 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF,
                false, DataBuffer.TYPE_BYTE);
    DirectColorModel model2 =
        new DirectColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB),
                32, 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF,
                false, DataBuffer.TYPE_BYTE);
    verifyEquals(model1, model2);
}
BufferedImageGraphicsConfig.java 文件源码 项目:openjdk9 阅读 20 收藏 0 点赞 0 评论 0
/**
 * Returns the color model associated with this configuration that
 * supports the specified transparency.
 */
public ColorModel getColorModel(int transparency) {

    if (model.getTransparency() == transparency) {
        return model;
    }
    switch (transparency) {
    case Transparency.OPAQUE:
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        return ColorModel.getRGBdefault();
    default:
        return null;
    }
}
GLXGraphicsConfig.java 文件源码 项目:openjdk9 阅读 22 收藏 0 点赞 0 评论 0
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
CGLGraphicsConfig.java 文件源码 项目:openjdk9 阅读 29 收藏 0 点赞 0 评论 0
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
D3DGraphicsConfig.java 文件源码 项目:openjdk9 阅读 24 收藏 0 点赞 0 评论 0
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
WGLGraphicsConfig.java 文件源码 项目:openjdk9 阅读 21 收藏 0 点赞 0 评论 0
@Override
public ColorModel getColorModel(int transparency) {
    switch (transparency) {
    case Transparency.OPAQUE:
        // REMIND: once the ColorModel spec is changed, this should be
        //         an opaque premultiplied DCM...
        return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    case Transparency.BITMASK:
        return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
    case Transparency.TRANSLUCENT:
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        return new DirectColorModel(cs, 32,
                                    0xff0000, 0xff00, 0xff, 0xff000000,
                                    true, DataBuffer.TYPE_INT);
    default:
        return null;
    }
}
OutputPaneController.java 文件源码 项目:BrickifyFX 阅读 24 收藏 0 点赞 0 评论 0
/**
 * Get the image to write. This is the mosaic image with alpha channel stripped, as this
 * doesn't work with the JPEG export.
 */
private BufferedImage getImageToWrite() throws InterruptedException {
    BufferedImage image = SwingFXUtils.fromFXImage(mainController.getMosaicImage(), null);
    final int[] RGB_MASKS = {0xFF0000, 0xFF00, 0xFF};
    final ColorModel rgbOpaque = new DirectColorModel(32, RGB_MASKS[0], RGB_MASKS[1], RGB_MASKS[2]);

    PixelGrabber pg = new PixelGrabber(image, 0, 0, -1, -1, true);
    pg.grabPixels();
    int width = pg.getWidth(), height = pg.getHeight();

    DataBuffer buffer = new DataBufferInt((int[]) pg.getPixels(), pg.getWidth() * pg.getHeight());
    WritableRaster raster = Raster.createPackedRaster(buffer, width, height, width, RGB_MASKS, null);
    BufferedImage bi = new BufferedImage(rgbOpaque, raster, false, null);

    return bi;
}
ImageLoader.java 文件源码 项目:pumpernickel 阅读 23 收藏 0 点赞 0 评论 0
/** This checks to see if two DirectColorModels are identical.
 * Apparently the "equals" method in DirectColorModel doesn't really work.
 */
private static boolean equals(DirectColorModel d1,DirectColorModel d2) {
    if(d1.getAlphaMask()!=d2.getAlphaMask())
        return false;
    if(d1.getGreenMask()!=d2.getGreenMask())
        return false;
    if(d1.getRedMask()!=d2.getRedMask())
        return false;
    if(d1.getBlueMask()!=d2.getBlueMask())
        return false;
    if(d1.getColorSpace()!=d2.getColorSpace())
        return false;
    if(d1.isAlphaPremultiplied()!=d2.isAlphaPremultiplied())
        return false;
    if(d1.getTransferType()!=d2.getTransferType())
        return false;
    if(d1.getTransparency()!=d2.getTransparency())
        return false;
    return true;
}
CompositeRed.java 文件源码 项目:Push2Display 阅读 18 收藏 0 点赞 0 评论 0
protected static ColorModel fixColorModel(CachableRed src) {
    ColorModel  cm = src.getColorModel();

    if (cm.hasAlpha()) {
        if (!cm.isAlphaPremultiplied())
            cm = GraphicsUtil.coerceColorModel(cm, true);
        return cm;
    }

    int b = src.getSampleModel().getNumBands()+1;
    if (b > 4)
        throw new IllegalArgumentException
            ("CompositeRed can only handle up to three band images");

    int [] masks = new int[4];
    for (int i=0; i < b-1; i++)
        masks[i] = 0xFF0000 >> (8*i);
    masks[3] = 0xFF << (8*(b-1));
    ColorSpace cs = cm.getColorSpace();

    return new DirectColorModel(cs, 8*b, masks[0], masks[1],
                                masks[2], masks[3],
                                true, DataBuffer.TYPE_INT);
}
FormatRed.java 文件源码 项目:Push2Display 阅读 20 收藏 0 点赞 0 评论 0
public static CachableRed construct(CachableRed src, ColorModel cm) {
    ColorModel srcCM = src.getColorModel();
    if ((cm.hasAlpha() != srcCM.hasAlpha()) ||
        (cm.isAlphaPremultiplied() != srcCM.isAlphaPremultiplied()))
        return new FormatRed(src, cm);

    if (cm.getNumComponents() != srcCM.getNumComponents())
        throw new IllegalArgumentException
            ("Incompatible ColorModel given");


    if ((srcCM instanceof ComponentColorModel) &&
        (cm    instanceof ComponentColorModel))
        return src;

    if ((srcCM instanceof DirectColorModel) &&
        (cm    instanceof DirectColorModel))
        return src;

    return new FormatRed(src, cm);
}


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