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Diffstat (limited to 'awt/java/awt/image/ColorConvertOp.java')
| -rw-r--r-- | awt/java/awt/image/ColorConvertOp.java | 710 |
1 files changed, 0 insertions, 710 deletions
diff --git a/awt/java/awt/image/ColorConvertOp.java b/awt/java/awt/image/ColorConvertOp.java deleted file mode 100644 index 1a1700b..0000000 --- a/awt/java/awt/image/ColorConvertOp.java +++ /dev/null @@ -1,710 +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.image; - -import java.awt.Graphics2D; -import java.awt.Point; -import java.awt.RenderingHints; -import java.awt.color.ColorSpace; -import java.awt.color.ICC_ColorSpace; -import java.awt.color.ICC_Profile; -import java.awt.geom.Point2D; -import java.awt.geom.Rectangle2D; -import java.util.ArrayList; - -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; - -/** - * The ColorConvertOp class converts the pixels of the data in the source image - * with the specified ColorSpace objects or an array of ICC_Profile objects. The - * result pixels are scaled to the precision of the destination image. - * - * @since Android 1.0 - */ -public class ColorConvertOp implements BufferedImageOp, RasterOp { - // Unused but required by interfaces - /** - * The rendering hints. - */ - RenderingHints renderingHints; - - // Sequence consisting of ColorSpace and ICC_Profile elements - /** - * The conversion sequence. - */ - Object conversionSequence[] = new ICC_Profile[0]; // To eliminate checks for - - // null - - // Not null if ColorConvertOp is constructed from the array of ICC profiles - /** - * The mid profiles. - */ - private ICC_Profile midProfiles[]; - - /** - * The cc. - */ - private final ColorConverter cc = new ColorConverter(); - - /** - * The t creator. - */ - private final ICC_TransfomCreator tCreator = new ICC_TransfomCreator(); - - /** - * The is icc. - */ - private boolean isICC = true; - - // Cached ICC_Transform - /** - * The Class ICC_TransfomCreator. - */ - private class ICC_TransfomCreator { - - /** - * The transform. - */ - private ICC_Transform transform; - - /** - * The max components. - */ - private int maxComponents; - - /** - * For the full ICC case. - * - * @param src - * the src. - * @param dst - * the dst. - * @param convSeq - * the conv seq. - * @return the transform. - */ - public ICC_Transform getTransform(ICC_Profile src, ICC_Profile dst, ICC_Profile convSeq[]) { - if (transform != null && src == transform.getSrc() && dst == transform.getDst()) { - return transform; - } - - int length = convSeq.length; - int srcFlg = 0, dstFlg = 0; - - if (length == 0 || src != convSeq[0]) { - if (src != null) { - srcFlg = 1; // need src profile - } - } - if (length == 0 || dst != convSeq[length - 1]) { - if (dst != null) { - dstFlg = 1; // need dst profile - } - } - - ICC_Profile profiles[]; - int nProfiles = length + srcFlg + dstFlg; - if (nProfiles == length) { - profiles = convSeq; - } else { - profiles = new ICC_Profile[nProfiles]; - int pos = 0; - if (srcFlg != 0) { - profiles[pos++] = src; - } - for (int i = 0; i < length; i++) { - profiles[pos++] = convSeq[i]; - } - if (dstFlg != 0) { - profiles[pos++] = dst; - } - } - - return transform = new ICC_Transform(profiles); - } - - /** - * Used only when there are non-ICC color spaces. Returns sequence of - * non-ICC color spaces and ICC transforms made from src, dst and - * conversionSequence. - * - * @param src - * the src. - * @param dst - * the dst. - * @return the sequence. - */ - public Object[] getSequence(Object src, Object dst) { - ArrayList<Object> profiles = new ArrayList<Object>(10); - ArrayList<Object> sequence = new ArrayList<Object>(10); - - // We need this profile anyway - ICC_Profile xyzProfile = ICC_Profile.getInstance(ColorSpace.CS_CIEXYZ); - - Object conversionFirst = null, conversionLast = null; - int conversionLength = conversionSequence.length; - if (conversionLength > 0) { - conversionFirst = conversionSequence[0]; - conversionLast = conversionSequence[conversionLength - 1]; - } - - boolean iccSequenceStarted = false; - - if (src != conversionFirst && src != null) { - if (src instanceof ICC_Profile) { - profiles.add(src); - iccSequenceStarted = true; - } else { - profiles.add(xyzProfile); - sequence.add(src); // Add non-ICC color space to the - // sequence - } - } else { - profiles.add(xyzProfile); - } - - for (int i = 0; i < conversionLength; i++) { - if (conversionSequence[i] instanceof ICC_Profile) { - profiles.add(conversionSequence[i]); - iccSequenceStarted = true; - } else if (iccSequenceStarted) { - profiles.add(xyzProfile); - - // Eliminate same profiles if there are any - // (e.g. xyzProfile may occur several times) - Object prev = profiles.get(0); - for (int k = 1; k < profiles.size(); k++) { - if (prev == profiles.get(k)) { - k--; - profiles.remove(k); - } - prev = profiles.get(k); - } - - // If only one profile left we skip the transform - - // it can be only CIEXYZ - if (profiles.size() > 1) { - sequence.add(new ICC_Transform(profiles.toArray(new ICC_Profile[0]))); - - // Add non-ICC color space to the sequence - sequence.add(conversionSequence[i]); - } - - profiles.clear(); - profiles.add(xyzProfile); - iccSequenceStarted = false; // Sequence of ICC profiles is - // processed - } else { // Add non-ICC color space to the sequence - sequence.add(conversionSequence[i]); - } - } - - if (dst != conversionLast && dst != null) { // Add last profile if - // needed - if (dst instanceof ICC_Profile) { - profiles.add(dst); - iccSequenceStarted = true; - } else if (iccSequenceStarted) { - profiles.add(xyzProfile); - } else { - sequence.add(dst); // Add last non-ICC color space to the - // sequence - } - } - - if (iccSequenceStarted) { // Make last transform if needed - sequence.add(new ICC_Transform(profiles.toArray(new ICC_Profile[0]))); - if (dst != null && !(dst instanceof ICC_Profile)) { - sequence.add(dst); // Add last non-ICC color space to the - // sequence - } - } - - // Calculate max number of components - // This number will be used for memory allocation - maxComponents = 0; - Object o; - for (int i = 0, size = sequence.size(); i < size; i++) { - o = sequence.get(i); - if (o instanceof ICC_Transform) { - ICC_Transform t = (ICC_Transform)o; - maxComponents = (maxComponents > t.getNumInputChannels() + 1) ? maxComponents - : t.getNumInputChannels() + 1; - maxComponents = (maxComponents > t.getNumOutputChannels() + 1) ? maxComponents - : t.getNumOutputChannels() + 1; - } else { - ColorSpace cs = (ColorSpace)o; - maxComponents = (maxComponents > cs.getNumComponents() + 1) ? maxComponents - : cs.getNumComponents() + 1; - } - } - - return sequence.toArray(); - } - } - - /** - * Instantiates a new ColorConvertOp object using two specified ColorSpace - * objects. - * - * @param srcCS - * the source ColorSpace. - * @param dstCS - * the destination ColorSpace. - * @param hints - * the RenderingHints object used for the color conversion, or - * null. - */ - public ColorConvertOp(ColorSpace srcCS, ColorSpace dstCS, RenderingHints hints) { - if (srcCS == null || dstCS == null) { - throw new NullPointerException(Messages.getString("awt.25B")); //$NON-NLS-1$ - } - - renderingHints = hints; - - boolean srcICC = srcCS instanceof ICC_ColorSpace; - boolean dstICC = dstCS instanceof ICC_ColorSpace; - - if (srcICC && dstICC) { - conversionSequence = new ICC_Profile[2]; - } else { - conversionSequence = new Object[2]; - isICC = false; - } - - if (srcICC) { - conversionSequence[0] = ((ICC_ColorSpace)srcCS).getProfile(); - } else { - conversionSequence[0] = srcCS; - } - - if (dstICC) { - conversionSequence[1] = ((ICC_ColorSpace)dstCS).getProfile(); - } else { - conversionSequence[1] = dstCS; - } - } - - /** - * Instantiates a new ColorConvertOp object from the specified ICC_Profile - * objects. - * - * @param profiles - * the array of ICC_Profile objects. - * @param hints - * the RenderingHints object used for the color conversion, or - * null. - */ - public ColorConvertOp(ICC_Profile profiles[], RenderingHints hints) { - if (profiles == null) { - throw new NullPointerException(Messages.getString("awt.25C")); //$NON-NLS-1$ - } - - renderingHints = hints; - - // This array is not used in the program logic, so don't need to copy it - // Store it only to return back - midProfiles = profiles; - - conversionSequence = new ICC_Profile[midProfiles.length]; - - // Add profiles to the conversion sequence - for (int i = 0, length = midProfiles.length; i < length; i++) { - conversionSequence[i] = midProfiles[i]; - } - } - - /** - * Instantiates a new ColorConvertOp object using the specified ColorSpace - * object. - * - * @param cs - * the destination ColorSpace or an intermediate ColorSpace. - * @param hints - * the RenderingHints object used for the color conversion, or - * null. - */ - public ColorConvertOp(ColorSpace cs, RenderingHints hints) { - if (cs == null) { - throw new NullPointerException(Messages.getString("awt.25B")); //$NON-NLS-1$ - } - - renderingHints = hints; - - if (cs instanceof ICC_ColorSpace) { - conversionSequence = new ICC_Profile[1]; - conversionSequence[0] = ((ICC_ColorSpace)cs).getProfile(); - } else { - conversionSequence = new Object[1]; - conversionSequence[0] = cs; - isICC = false; - } - } - - /** - * Instantiates a new ColorConvertOp object which converts from a source - * color space to a destination color space. - * - * @param hints - * the RenderingHints object used for the color conversion, or - * null. - */ - public ColorConvertOp(RenderingHints hints) { - renderingHints = hints; - } - - public final WritableRaster filter(Raster src, WritableRaster dst) { - if (conversionSequence.length < 2) { - throw new IllegalArgumentException(Messages.getString("awt.25D")); //$NON-NLS-1$ - } - - ICC_Profile srcPf = null, dstPf = null; // unused if isICC is false - int nSrcColorComps, nDstColorComps; - Object first = conversionSequence[0]; - Object last = conversionSequence[conversionSequence.length - 1]; - - // Get the number of input/output color components - if (isICC) { - srcPf = (ICC_Profile)first; - dstPf = (ICC_Profile)last; - nSrcColorComps = srcPf.getNumComponents(); - nDstColorComps = dstPf.getNumComponents(); - } else { - if (first instanceof ICC_Profile) { - srcPf = (ICC_Profile)first; - nSrcColorComps = srcPf.getNumComponents(); - } else { - nSrcColorComps = ((ColorSpace)first).getNumComponents(); - } - - if (last instanceof ICC_Profile) { - dstPf = (ICC_Profile)last; - nDstColorComps = dstPf.getNumComponents(); - } else { - nDstColorComps = ((ColorSpace)last).getNumComponents(); - } - } - - // Check that source and destination rasters are compatible with - // transforms and with each other - if (src.getNumBands() != nSrcColorComps) { - // awt.25E=Incorrect number of source raster bands. Should be equal - // to the number of color components of source colorspace. - throw new IllegalArgumentException(Messages.getString("awt.25E")); //$NON-NLS-1$ - } - - if (dst != null) { // Check destination raster - if (dst.getNumBands() != nDstColorComps) { - // awt.25F=Incorrect number of destination raster bands. Should - // be equal to the number of color components of destination - // colorspace. - throw new IllegalArgumentException(Messages.getString("awt.25F")); //$NON-NLS-1$ - } - - if (src.getWidth() != dst.getWidth() || src.getHeight() != dst.getHeight()) { - throw new IllegalArgumentException(Messages.getString("awt.260")); //$NON-NLS-1$ - } - - } else { - dst = createCompatibleDestRaster(src); - } - - if (isICC) { - // Create transform - ICC_Transform t = tCreator - .getTransform(srcPf, dstPf, (ICC_Profile[])conversionSequence); - cc.translateColor(t, src, dst); - } else { - Object[] sequence = tCreator.getSequence(null, null); - - // Get data from the source raster - ColorScaler scaler = new ColorScaler(); - scaler.loadScalingData(src, null); - float tmpData[][] = scaler.scaleNormalize(src); - - // Get source and destination color spaces - ColorSpace srcCS = (srcPf == null) ? (ColorSpace)first : new ICC_ColorSpace(srcPf); - ColorSpace dstCS = (dstPf == null) ? (ColorSpace)last : new ICC_ColorSpace(dstPf); - - applySequence(sequence, tmpData, srcCS, dstCS); - - scaler.loadScalingData(dst, null); - scaler.unscaleNormalized(dst, tmpData); - } - - return dst; - } - - public BufferedImage createCompatibleDestImage(BufferedImage src, ColorModel destCM) { - // If destination color model is passed only one line needed - if (destCM != null) { - return new BufferedImage(destCM, destCM.createCompatibleWritableRaster(src.getWidth(), - src.getHeight()), destCM.isAlphaPremultiplied(), null); - } - - int nSpaces = conversionSequence.length; - - if (nSpaces < 1) { - throw new IllegalArgumentException(Messages.getString("awt.261")); //$NON-NLS-1$ - } - - // Get destination color space - Object destination = conversionSequence[nSpaces - 1]; - ColorSpace dstCS = (destination instanceof ColorSpace) ? (ColorSpace)destination - : new ICC_ColorSpace((ICC_Profile)destination); - - ColorModel srcCM = src.getColorModel(); - ColorModel dstCM = new ComponentColorModel(dstCS, srcCM.hasAlpha(), srcCM - .isAlphaPremultiplied(), srcCM.getTransparency(), srcCM.getTransferType()); - - return new BufferedImage(dstCM, destCM.createCompatibleWritableRaster(src.getWidth(), src - .getHeight()), destCM.isAlphaPremultiplied(), null); - } - - public final BufferedImage filter(BufferedImage src, BufferedImage dst) { - if (dst == null && conversionSequence.length < 1) { - throw new IllegalArgumentException(Messages.getString("awt.262")); //$NON-NLS-1$ - } - - ColorModel srcCM = src.getColorModel(); - // First handle index color model - if (srcCM instanceof IndexColorModel) { - src = ((IndexColorModel)srcCM).convertToIntDiscrete(src.getRaster(), false); - } - ColorSpace srcCS = srcCM.getColorSpace(); - - BufferedImage res; - boolean isDstIndex = false; - if (dst != null) { - - if (src.getWidth() != dst.getWidth() || src.getHeight() != dst.getHeight()) { - throw new IllegalArgumentException(Messages.getString("awt.263")); //$NON-NLS-1$ - } - - if (dst.getColorModel() instanceof IndexColorModel) { - isDstIndex = true; - res = createCompatibleDestImage(src, null); - } else { - res = dst; - } - } else { - res = createCompatibleDestImage(src, null); - } - ColorModel dstCM = res.getColorModel(); - ColorSpace dstCS = dstCM.getColorSpace(); - - ICC_Profile srcPf = null, dstPf = null; - if (srcCS instanceof ICC_ColorSpace) { - srcPf = ((ICC_ColorSpace)srcCS).getProfile(); - } - if (dstCS instanceof ICC_ColorSpace) { - dstPf = ((ICC_ColorSpace)dstCS).getProfile(); - } - - boolean isFullICC = isICC && srcPf != null && dstPf != null; - - if (isFullICC) { - ICC_Transform t = tCreator - .getTransform(srcPf, dstPf, (ICC_Profile[])conversionSequence); - cc.translateColor(t, src, res); - } else { // Perform non-ICC transform - Object sequence[] = tCreator.getSequence(srcPf == null ? (Object)srcCS : srcPf, - dstPf == null ? (Object)dstCS : dstPf); - - int srcW = src.getWidth(); - int srcH = src.getHeight(); - int numPixels = srcW * srcH; - - // Load all pixel data into array tmpData - float tmpData[][] = new float[numPixels][tCreator.maxComponents]; - for (int row = 0, dataPos = 0; row < srcW; row++) { - for (int col = 0; col < srcH; col++) { - tmpData[dataPos] = srcCM.getNormalizedComponents(src.getRaster() - .getDataElements(row, col, null), tmpData[dataPos], 0); - dataPos++; - } - } - - // Copy alpha channel if needed - float alpha[] = null; - int alphaIdx = srcCM.numComponents - 1; - if (srcCM.hasAlpha() && dstCM.hasAlpha()) { - alpha = new float[numPixels]; - for (int i = 0; i < numPixels; i++) { - alpha[i] = tmpData[i][alphaIdx]; - } - } - - // Translate colors - applySequence(sequence, tmpData, srcCS, dstCS); - - // Copy alpha if needed - if (dstCM.hasAlpha()) { - alphaIdx = dstCM.numComponents - 1; - if (alpha != null) { - for (int i = 0; i < numPixels; i++) { - tmpData[i][alphaIdx] = alpha[i]; - } - } else { - for (int i = 0; i < numPixels; i++) { - tmpData[i][alphaIdx] = 1f; - } - } - } - - // Store data back to the image - for (int row = 0, dataPos = 0; row < srcW; row++) { - for (int col = 0; col < srcH; col++) { - res.getRaster().setDataElements(row, col, - dstCM.getDataElements(tmpData[dataPos++], 0, null)); - } - } - } - - if (isDstIndex) { // Convert image into indexed color - Graphics2D g2d = dst.createGraphics(); - g2d.drawImage(res, 0, 0, null); - g2d.dispose(); - return dst; - } - - return res; - } - - /** - * Apply sequence. - * - * @param sequence - * the sequence. - * @param tmpData - * the tmp data. - * @param srcCS - * the src cs. - * @param dstCS - * the dst cs. - */ - private void applySequence(Object sequence[], float tmpData[][], ColorSpace srcCS, - ColorSpace dstCS) { - ColorSpace xyzCS = ColorSpace.getInstance(ColorSpace.CS_CIEXYZ); - - int numPixels = tmpData.length; - - // First transform... - if (sequence[0] instanceof ICC_Transform) { // ICC - ICC_Transform t = (ICC_Transform)sequence[0]; - cc.translateColor(t, tmpData, srcCS, xyzCS, numPixels); - } else { // non ICC - for (int k = 0; k < numPixels; k++) { - tmpData[k] = srcCS.toCIEXYZ(tmpData[k]); - } - cc.loadScalingData(xyzCS); // prepare for scaling XYZ - } - - for (Object element : sequence) { - if (element instanceof ICC_Transform) { - ICC_Transform t = (ICC_Transform)element; - cc.translateColor(t, tmpData, null, null, numPixels); - } else { - ColorSpace cs = (ColorSpace)element; - for (int k = 0; k < numPixels; k++) { - tmpData[k] = cs.fromCIEXYZ(tmpData[k]); - tmpData[k] = cs.toCIEXYZ(tmpData[k]); - } - } - } - - // Last transform... - if (sequence[sequence.length - 1] instanceof ICC_Transform) { // ICC - ICC_Transform t = (ICC_Transform)sequence[sequence.length - 1]; - cc.translateColor(t, tmpData, xyzCS, dstCS, numPixels); - } else { // non ICC - for (int k = 0; k < numPixels; k++) { - tmpData[k] = dstCS.fromCIEXYZ(tmpData[k]); - } - } - } - - public final Point2D getPoint2D(Point2D srcPt, Point2D dstPt) { - if (dstPt != null) { - dstPt.setLocation(srcPt); - return dstPt; - } - return new Point2D.Float((float)srcPt.getX(), (float)srcPt.getY()); - } - - public WritableRaster createCompatibleDestRaster(Raster src) { - int nComps = 0; - int nSpaces = conversionSequence.length; - - if (nSpaces < 2) { - throw new IllegalArgumentException(Messages.getString("awt.261")); //$NON-NLS-1$ - } - - Object lastCS = conversionSequence[nSpaces - 1]; - if (lastCS instanceof ColorSpace) { - nComps = ((ColorSpace)lastCS).getNumComponents(); - } else { - nComps = ((ICC_Profile)lastCS).getNumComponents(); - } - - // Calculate correct data type - int dstDataType = src.getDataBuffer().getDataType(); - if (dstDataType != DataBuffer.TYPE_BYTE && dstDataType != DataBuffer.TYPE_SHORT) { - dstDataType = DataBuffer.TYPE_SHORT; - } - - return Raster.createInterleavedRaster(dstDataType, src.getWidth(), src.getHeight(), nComps, - new Point(src.getMinX(), src.getMinY())); - } - - public final Rectangle2D getBounds2D(Raster src) { - return src.getBounds(); - } - - public final Rectangle2D getBounds2D(BufferedImage src) { - return src.getRaster().getBounds(); - } - - /** - * Gets an array of ICC_Profiles objects which constructs this - * ColorConvertOp object or returns null if this ColorConvertOp is not - * constructed from array of ICC_Profiles. - * - * @return an array of ICC_Profiles objects which constructs this - * ColorConvertOp object or returns null if this ColorConvertOp is - * not constructed from array of ICC_Profiles. - */ - public final ICC_Profile[] getICC_Profiles() { - if (midProfiles != null) { - return midProfiles; - } - return null; - } - - public final RenderingHints getRenderingHints() { - return renderingHints; - } -} |