Java PCMM类代码示例

import sun.java2d.cmm.PCMM; //导入依赖的package包/类
/**
 * Returns a byte array corresponding to the data of this ICC_Profile.
 * @return A byte array that contains the profile data.
 * @see #setData(int, byte[])
 */
public byte[] getData() {
int profileSize;
byte[] profileData;

    if (ProfileDeferralMgr.deferring) {
        ProfileDeferralMgr.activateProfiles();
    }

    PCMM mdl = CMSManager.getModule();

    /* get the number of bytes needed for this profile */
    profileSize = mdl.getProfileSize(cmmProfile);

    profileData = new byte [profileSize];

    /* get the data for the profile */
    mdl.getProfileData(cmmProfile, profileData);

    return profileData;
}
 

import sun.java2d.cmm.PCMM; //导入依赖的package包/类
static synchronized PCMM getModule() {
    if (theLcms != null) {
        return theLcms;
    }

    java.security.AccessController.doPrivileged(
            new java.security.PrivilegedAction() {
                public Object run() {
                    /* We need to load awt here because of usage trace and
                     * disposer frameworks
                     */
                    System.loadLibrary("awt");
                    System.loadLibrary("lcms");
                    return null;
                }
            });

    initLCMS(LCMSTransform.class, LCMSImageLayout.class, ICC_Profile.class);

    theLcms = new LCMS();

    return theLcms;
}
 

import sun.java2d.cmm.PCMM; //导入依赖的package包/类
static synchronized PCMM getModule() {
    if (theLcms != null) {
        return theLcms;
    }

    java.security.AccessController.doPrivileged(
            new java.security.PrivilegedAction<Object>() {
                public Object run() {
                    /* We need to load awt here because of usage trace and
                     * disposer frameworks
                     */
                    System.loadLibrary("awt");
                    System.loadLibrary("lcms");
                    return null;
                }
            });

    initLCMS(LCMSTransform.class, LCMSImageLayout.class, ICC_Profile.class);

    theLcms = new LCMS();

    return theLcms;
}
 

import sun.java2d.cmm.PCMM; //导入依赖的package包/类
/**
 * Returns a byte array corresponding to the data of this ICC_Profile.
 * @return A byte array that contains the profile data.
 * @see #setData(int, byte[])
 */
public byte[] getData() {
int profileSize;
byte[] profileData;

    if (ProfileDeferralMgr.deferring) {
        ProfileDeferralMgr.activateProfiles();
    }

    PCMM mdl = CMSManager.getModule();

    /* get the number of bytes needed for this profile */
    profileSize = mdl.getProfileSize(ID);

    profileData = new byte [profileSize];

    /* get the data for the profile */
    mdl.getProfileData(ID, profileData);

    return profileData;
}
 

import sun.java2d.cmm.PCMM; //导入依赖的package包/类
/**
 * Transforms a color value assumed to be in this ColorSpace
 * into a value in the default CS_sRGB color space.
 * <p>
 * This method transforms color values using algorithms designed
 * to produce the best perceptual match between input and output
 * colors.  In order to do colorimetric conversion of color values,
 * you should use the <code>toCIEXYZ</code>
 * method of this color space to first convert from the input
 * color space to the CS_CIEXYZ color space, and then use the
 * <code>fromCIEXYZ</code> method of the CS_sRGB color space to
 * convert from CS_CIEXYZ to the output color space.
 * See {@link #toCIEXYZ(float[]) toCIEXYZ} and
 * {@link #fromCIEXYZ(float[]) fromCIEXYZ} for further information.
 * <p>
 * @param colorvalue a float array with length of at least the number
 *      of components in this ColorSpace.
 * @return a float array of length 3.
 * @throws ArrayIndexOutOfBoundsException if array length is not
 * at least the number of components in this ColorSpace.
 */
public float[]    toRGB (float[] colorvalue) {

    if (this2srgb == null) {
        ColorTransform[] transformList = new ColorTransform [2];
        ICC_ColorSpace srgbCS =
            (ICC_ColorSpace) ColorSpace.getInstance (CS_sRGB);
        PCMM mdl = CMSManager.getModule();
        transformList[0] = mdl.createTransform(
            thisProfile, ColorTransform.Any, ColorTransform.In);
        transformList[1] = mdl.createTransform(
            srgbCS.getProfile(), ColorTransform.Any, ColorTransform.Out);
        this2srgb = mdl.createTransform(transformList);
        if (needScaleInit) {
            setComponentScaling();
        }
    }

    int nc = this.getNumComponents();
    short tmp[] = new short[nc];
    for (int i = 0; i < nc; i++) {
        tmp[i] = (short)
            ((colorvalue[i] - minVal[i]) * invDiffMinMax[i] + 0.5f);
    }
    tmp = this2srgb.colorConvert(tmp, null);
    float[] result = new float [3];
    for (int i = 0; i < 3; i++) {
        result[i] = ((float) (tmp[i] & 0xffff)) / 65535.0f;
    }
    return result;
}