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Diffstat (limited to 'awt/java/awt/color/ICC_ColorSpace.java')
| -rw-r--r-- | awt/java/awt/color/ICC_ColorSpace.java | 468 |
1 files changed, 0 insertions, 468 deletions
diff --git a/awt/java/awt/color/ICC_ColorSpace.java b/awt/java/awt/color/ICC_ColorSpace.java deleted file mode 100644 index 5b4d7e9..0000000 --- a/awt/java/awt/color/ICC_ColorSpace.java +++ /dev/null @@ -1,468 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -/** - * @author Oleg V. Khaschansky - * @version $Revision$ - */ -package java.awt.color; - -import org.apache.harmony.awt.gl.color.ColorConverter; -import org.apache.harmony.awt.gl.color.ColorScaler; -import org.apache.harmony.awt.gl.color.ICC_Transform; -import org.apache.harmony.awt.internal.nls.Messages; - -import java.io.*; - -/** - * This class implements the abstract class ColorSpace and represents device - * independent and device dependent color spaces. This color space is based on - * the International Color Consortium Specification (ICC) File Format for Color - * Profiles: <a href="http://www.color.org">http://www.color.org</a> - * - * @since Android 1.0 - */ -public class ICC_ColorSpace extends ColorSpace { - - /** - * The Constant serialVersionUID. - */ - private static final long serialVersionUID = 3455889114070431483L; - - // Need to keep compatibility with serialized form - /** - * The Constant serialPersistentFields. - */ - private static final ObjectStreamField[] - serialPersistentFields = { - new ObjectStreamField("thisProfile", ICC_Profile.class), //$NON-NLS-1$ - new ObjectStreamField("minVal", float[].class), //$NON-NLS-1$ - new ObjectStreamField("maxVal", float[].class), //$NON-NLS-1$ - new ObjectStreamField("diffMinMax", float[].class), //$NON-NLS-1$ - new ObjectStreamField("invDiffMinMax", float[].class), //$NON-NLS-1$ - new ObjectStreamField("needScaleInit", Boolean.TYPE) //$NON-NLS-1$ - }; - - - /** - * According to ICC specification (from http://www.color.org) "For the - * CIEXYZ encoding, each component (X, Y, and Z) is encoded as a - * u1Fixed15Number". This means that max value for this encoding is 1 + - * (32767/32768) - */ - private static final float MAX_XYZ = 1f + (32767f/32768f); - - /** - * The Constant MAX_SHORT. - */ - private static final float MAX_SHORT = 65535f; - - /** - * The Constant INV_MAX_SHORT. - */ - private static final float INV_MAX_SHORT = 1f/MAX_SHORT; - - /** - * The Constant SHORT2XYZ_FACTOR. - */ - private static final float SHORT2XYZ_FACTOR = MAX_XYZ/MAX_SHORT; - - /** - * The Constant XYZ2SHORT_FACTOR. - */ - private static final float XYZ2SHORT_FACTOR = MAX_SHORT/MAX_XYZ; - - /** - * The profile. - */ - private ICC_Profile profile = null; - - /** - * The min values. - */ - private float minValues[] = null; - - /** - * The max values. - */ - private float maxValues[] = null; - - // cache transforms here - performance gain - /** - * The to rgb transform. - */ - private ICC_Transform toRGBTransform = null; - - /** - * The from rgb transform. - */ - private ICC_Transform fromRGBTransform = null; - - /** - * The to xyz transform. - */ - private ICC_Transform toXYZTransform = null; - - /** - * The from xyz transform. - */ - private ICC_Transform fromXYZTransform = null; - - /** - * The converter. - */ - private final ColorConverter converter = new ColorConverter(); - - /** - * The scaler. - */ - private final ColorScaler scaler = new ColorScaler(); - - /** - * The scaling data loaded. - */ - private boolean scalingDataLoaded = false; - - /** - * The resolved deserialized inst. - */ - private ICC_ColorSpace resolvedDeserializedInst; - - /** - * Instantiates a new ICC color space from an ICC_Profile object. - * - * @param pf - * the ICC_Profile object. - */ - public ICC_ColorSpace(ICC_Profile pf) { - super(pf.getColorSpaceType(), pf.getNumComponents()); - - int pfClass = pf.getProfileClass(); - - switch (pfClass) { - case ICC_Profile.CLASS_COLORSPACECONVERSION: - case ICC_Profile.CLASS_DISPLAY: - case ICC_Profile.CLASS_OUTPUT: - case ICC_Profile.CLASS_INPUT: - break; // OK, it is color conversion profile - default: - // awt.168=Invalid profile class. - throw new IllegalArgumentException(Messages.getString("awt.168")); //$NON-NLS-1$ - } - - profile = pf; - fillMinMaxValues(); - } - - /** - * Gets the ICC_Profile for this ICC_ColorSpace. - * - * @return the ICC_Profile for this ICC_ColorSpace. - */ - public ICC_Profile getProfile() { - if (profile instanceof ICC_ProfileStub) { - profile = ((ICC_ProfileStub) profile).loadProfile(); - } - - return profile; - } - - /** - * Performs the transformation of a color from this ColorSpace into the RGB - * color space. - * - * @param colorvalue - * the color value in this ColorSpace. - * @return the float array with color components in the RGB color space. - */ - @Override - public float[] toRGB(float[] colorvalue) { - if (toRGBTransform == null) { - ICC_Profile sRGBProfile = - ((ICC_ColorSpace) ColorSpace.getInstance(CS_sRGB)).getProfile(); - ICC_Profile[] profiles = {getProfile(), sRGBProfile}; - toRGBTransform = new ICC_Transform(profiles); - if (!scalingDataLoaded) { - scaler.loadScalingData(this); - scalingDataLoaded = true; - } - } - - short[] data = new short[getNumComponents()]; - - scaler.scale(colorvalue, data, 0); - - short[] converted = - converter.translateColor(toRGBTransform, data, null); - - // unscale to sRGB - float[] res = new float[3]; - - res[0] = ((converted[0] & 0xFFFF)) * INV_MAX_SHORT; - res[1] = ((converted[1] & 0xFFFF)) * INV_MAX_SHORT; - res[2] = ((converted[2] & 0xFFFF)) * INV_MAX_SHORT; - - return res; - } - - /** - * Performs the transformation of a color from this ColorSpace into the - * CS_CIEXYZ color space. - * - * @param colorvalue - * the color value in this ColorSpace. - * @return the float array with color components in the CS_CIEXYZ color - * space. - */ - @Override - public float[] toCIEXYZ(float[] colorvalue) { - if (toXYZTransform == null) { - ICC_Profile xyzProfile = - ((ICC_ColorSpace) ColorSpace.getInstance(CS_CIEXYZ)).getProfile(); - ICC_Profile[] profiles = {getProfile(), xyzProfile}; - try { - int[] intents = { - ICC_Profile.icRelativeColorimetric, - ICC_Profile.icPerceptual}; - toXYZTransform = new ICC_Transform(profiles, intents); - } catch (CMMException e) { // No such tag, use what we can - toXYZTransform = new ICC_Transform(profiles); - } - - if (!scalingDataLoaded) { - scaler.loadScalingData(this); - scalingDataLoaded = true; - } - } - - short[] data = new short[getNumComponents()]; - - scaler.scale(colorvalue, data, 0); - - short[] converted = - converter.translateColor(toXYZTransform, data, null); - - // unscale to XYZ - float[] res = new float[3]; - - res[0] = ((converted[0] & 0xFFFF)) * SHORT2XYZ_FACTOR; - res[1] = ((converted[1] & 0xFFFF)) * SHORT2XYZ_FACTOR; - res[2] = ((converted[2] & 0xFFFF)) * SHORT2XYZ_FACTOR; - - return res; - } - - /** - * Performs the transformation of a color from the RGB color space into this - * ColorSpace. - * - * @param rgbvalue - * the float array representing a color in the RGB color space. - * @return the float array with the transformed color components. - */ - @Override - public float[] fromRGB(float[] rgbvalue) { - if (fromRGBTransform == null) { - ICC_Profile sRGBProfile = - ((ICC_ColorSpace) ColorSpace.getInstance(CS_sRGB)).getProfile(); - ICC_Profile[] profiles = {sRGBProfile, getProfile()}; - fromRGBTransform = new ICC_Transform(profiles); - if (!scalingDataLoaded) { - scaler.loadScalingData(this); - scalingDataLoaded = true; - } - } - - // scale rgb value to short - short[] scaledRGBValue = new short[3]; - scaledRGBValue[0] = (short)(rgbvalue[0] * MAX_SHORT + 0.5f); - scaledRGBValue[1] = (short)(rgbvalue[1] * MAX_SHORT + 0.5f); - scaledRGBValue[2] = (short)(rgbvalue[2] * MAX_SHORT + 0.5f); - - short[] converted = - converter.translateColor(fromRGBTransform, scaledRGBValue, null); - - float[] res = new float[getNumComponents()]; - - scaler.unscale(res, converted, 0); - - return res; - } - - /** - * Performs the transformation of a color from the CS_CIEXYZ color space - * into this ColorSpace. - * - * @param xyzvalue - * the float array representing a color in the CS_CIEXYZ color - * space. - * @return the float array with the transformed color components. - */ - @Override - public float[] fromCIEXYZ(float[] xyzvalue) { - if (fromXYZTransform == null) { - ICC_Profile xyzProfile = - ((ICC_ColorSpace) ColorSpace.getInstance(CS_CIEXYZ)).getProfile(); - ICC_Profile[] profiles = {xyzProfile, getProfile()}; - try { - int[] intents = { - ICC_Profile.icPerceptual, - ICC_Profile.icRelativeColorimetric}; - fromXYZTransform = new ICC_Transform(profiles, intents); - } catch (CMMException e) { // No such tag, use what we can - fromXYZTransform = new ICC_Transform(profiles); - } - - if (!scalingDataLoaded) { - scaler.loadScalingData(this); - scalingDataLoaded = true; - } - - } - - // scale xyz value to short - short[] scaledXYZValue = new short[3]; - scaledXYZValue[0] = (short)(xyzvalue[0] * XYZ2SHORT_FACTOR + 0.5f); - scaledXYZValue[1] = (short)(xyzvalue[1] * XYZ2SHORT_FACTOR + 0.5f); - scaledXYZValue[2] = (short)(xyzvalue[2] * XYZ2SHORT_FACTOR + 0.5f); - - short[] converted = - converter.translateColor(fromXYZTransform, scaledXYZValue, null); - - float[] res = new float[getNumComponents()]; - - scaler.unscale(res, converted, 0); - - return res; - } - - /** - * Gets the minimum normalized color component value for the specified - * component. - * - * @param component - * the component to determine the minimum value. - * @return the minimum normalized value of the component. - */ - @Override - public float getMinValue(int component) { - if ((component < 0) || (component > this.getNumComponents() - 1)) { - // awt.169=Component index out of range - throw new IllegalArgumentException(Messages.getString("awt.169")); //$NON-NLS-1$ - } - - return minValues[component]; - } - - /** - * Gets the maximum normalized color component value for the specified - * component. - * - * @param component - * the component to determine the maximum value. - * @return the maximum normalized value of the component. - */ - @Override - public float getMaxValue(int component) { - if ((component < 0) || (component > this.getNumComponents() - 1)) { - // awt.169=Component index out of range - throw new IllegalArgumentException(Messages.getString("awt.169")); //$NON-NLS-1$ - } - - return maxValues[component]; - } - - /** - * Fill min max values. - */ - private void fillMinMaxValues() { - int n = getNumComponents(); - maxValues = new float[n]; - minValues = new float[n]; - switch (getType()) { - case ColorSpace.TYPE_XYZ: - minValues[0] = 0; - minValues[1] = 0; - minValues[2] = 0; - maxValues[0] = MAX_XYZ; - maxValues[1] = MAX_XYZ; - maxValues[2] = MAX_XYZ; - break; - case ColorSpace.TYPE_Lab: - minValues[0] = 0; - minValues[1] = -128; - minValues[2] = -128; - maxValues[0] = 100; - maxValues[1] = 127; - maxValues[2] = 127; - break; - default: - for(int i=0; i<n; i++) { - minValues[i] = 0; - maxValues[i] = 1; - } - } - } - - /** - * Write object. - * - * @param out - * the out - * @throws IOException - * Signals that an I/O exception has occurred. - */ - private void writeObject(ObjectOutputStream out) throws IOException { - ObjectOutputStream.PutField fields = out.putFields(); - - fields.put("thisProfile", profile); //$NON-NLS-1$ - fields.put("minVal", null); //$NON-NLS-1$ - fields.put("maxVal", null); //$NON-NLS-1$ - fields.put("diffMinMax", null); //$NON-NLS-1$ - fields.put("invDiffMinMax", null); //$NON-NLS-1$ - fields.put("needScaleInit", true); //$NON-NLS-1$ - - out.writeFields(); - } - - /** - * Read object. - * - * @param in - * the in - * @throws IOException - * Signals that an I/O exception has occurred. - * @throws ClassNotFoundException - * the class not found exception - */ - private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException { - ObjectInputStream.GetField fields = in.readFields(); - resolvedDeserializedInst = - new ICC_ColorSpace((ICC_Profile) fields.get("thisProfile", null)); //$NON-NLS-1$ - } - - /** - * Read resolve. - * - * @return the object - * @throws ObjectStreamException - * the object stream exception - */ - Object readResolve() throws ObjectStreamException { - return resolvedDeserializedInst; - } -} - |