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Diffstat (limited to 'awt/java/awt/image/PackedColorModel.java')
| -rw-r--r-- | awt/java/awt/image/PackedColorModel.java | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/awt/java/awt/image/PackedColorModel.java b/awt/java/awt/image/PackedColorModel.java deleted file mode 100644 index 4d1c2e5..0000000 --- a/awt/java/awt/image/PackedColorModel.java +++ /dev/null @@ -1,402 +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 Igor V. Stolyarov - * @version $Revision$ - */ - -package java.awt.image; - -import java.awt.Transparency; -import java.awt.color.ColorSpace; -import java.util.Arrays; - -import org.apache.harmony.awt.internal.nls.Messages; - -/** - * The class PackedColorModel represents a color model where the components are - * just the red, green, and blue bands, plus an alpha band if alpha is - * supported. - * - * @since Android 1.0 - */ -public abstract class PackedColorModel extends ColorModel { - - /** - * The component masks. - */ - int componentMasks[]; - - /** - * The offsets. - */ - int offsets[]; - - /** - * The scales. - */ - float scales[]; - - /** - * Instantiates a new packed color model. - * - * @param space - * the color space. - * @param bits - * the array of component masks. - * @param colorMaskArray - * the array that gives the bitmask corresponding to each color - * band (red, green, and blue). - * @param alphaMask - * the bitmask corresponding to the alpha band. - * @param isAlphaPremultiplied - * whether the alpha is pre-multiplied in this color model. - * @param trans - * the transparency strategy, @see java.awt.Transparency. - * @param transferType - * the transfer type (primitive java type to use for the - * components). - * @throws IllegalArgumentException - * if the number of bits in the combined bitmasks for the color - * bands is less than one or greater than 32. - */ - public PackedColorModel(ColorSpace space, int bits, int colorMaskArray[], int alphaMask, - boolean isAlphaPremultiplied, int trans, int transferType) { - - super(bits, createBits(colorMaskArray, alphaMask), space, (alphaMask == 0 ? false : true), - isAlphaPremultiplied, trans, validateTransferType(transferType)); - - if (pixel_bits < 1 || pixel_bits > 32) { - // awt.236=The bits is less than 1 or greater than 32 - throw new IllegalArgumentException(Messages.getString("awt.236")); //$NON-NLS-1$ - } - - componentMasks = new int[numComponents]; - for (int i = 0; i < numColorComponents; i++) { - componentMasks[i] = colorMaskArray[i]; - } - - if (hasAlpha) { - componentMasks[numColorComponents] = alphaMask; - if (this.bits[numColorComponents] == 1) { - transparency = Transparency.BITMASK; - } - } - - parseComponents(); - } - - /** - * Instantiates a new packed color model. - * - * @param space - * the color space. - * @param bits - * the array of component masks. - * @param rmask - * the bitmask corresponding to the red band. - * @param gmask - * the bitmask corresponding to the green band. - * @param bmask - * the bitmask corresponding to the blue band. - * @param amask - * the bitmask corresponding to the alpha band. - * @param isAlphaPremultiplied - * whether the alpha is pre-multiplied in this color model. - * @param trans - * the transparency strategy, @see java.awt.Transparency. - * @param transferType - * the transfer type (primitive java type to use for the - * components). - * @throws IllegalArgumentException - * if the number of bits in the combined bitmasks for the color - * bands is less than one or greater than 32. - */ - public PackedColorModel(ColorSpace space, int bits, int rmask, int gmask, int bmask, int amask, - boolean isAlphaPremultiplied, int trans, int transferType) { - - super(bits, createBits(rmask, gmask, bmask, amask), space, (amask == 0 ? false : true), - isAlphaPremultiplied, trans, validateTransferType(transferType)); - - if (pixel_bits < 1 || pixel_bits > 32) { - // awt.236=The bits is less than 1 or greater than 32 - throw new IllegalArgumentException(Messages.getString("awt.236")); //$NON-NLS-1$ - } - - if (cs.getType() != ColorSpace.TYPE_RGB) { - // awt.239=The space is not a TYPE_RGB space - throw new IllegalArgumentException(Messages.getString("awt.239")); //$NON-NLS-1$ - } - - for (int i = 0; i < numColorComponents; i++) { - if (cs.getMinValue(i) != 0.0f || cs.getMaxValue(i) != 1.0f) { - // awt.23A=The min/max normalized component values are not - // 0.0/1.0 - throw new IllegalArgumentException(Messages.getString("awt.23A")); //$NON-NLS-1$ - } - } - componentMasks = new int[numComponents]; - componentMasks[0] = rmask; - componentMasks[1] = gmask; - componentMasks[2] = bmask; - - if (hasAlpha) { - componentMasks[3] = amask; - if (this.bits[3] == 1) { - transparency = Transparency.BITMASK; - } - } - - parseComponents(); - } - - @Override - public WritableRaster getAlphaRaster(WritableRaster raster) { - if (!hasAlpha) { - return null; - } - - int x = raster.getMinX(); - int y = raster.getMinY(); - int w = raster.getWidth(); - int h = raster.getHeight(); - int band[] = new int[1]; - band[0] = raster.getNumBands() - 1; - return raster.createWritableChild(x, y, w, h, x, y, band); - } - - @Override - public boolean equals(Object obj) { - if (obj == null) { - return false; - } - if (!(obj instanceof PackedColorModel)) { - return false; - } - PackedColorModel cm = (PackedColorModel)obj; - - return (pixel_bits == cm.getPixelSize() && transferType == cm.getTransferType() - && cs.getType() == cm.getColorSpace().getType() && hasAlpha == cm.hasAlpha() - && isAlphaPremultiplied == cm.isAlphaPremultiplied() - && transparency == cm.getTransparency() - && numColorComponents == cm.getNumColorComponents() - && numComponents == cm.getNumComponents() - && Arrays.equals(bits, cm.getComponentSize()) && Arrays.equals(componentMasks, cm - .getMasks())); - } - - @Override - public boolean isCompatibleSampleModel(SampleModel sm) { - if (sm == null) { - return false; - } - if (!(sm instanceof SinglePixelPackedSampleModel)) { - return false; - } - SinglePixelPackedSampleModel esm = (SinglePixelPackedSampleModel)sm; - - return ((esm.getNumBands() == numComponents) && (esm.getTransferType() == transferType) && Arrays - .equals(esm.getBitMasks(), componentMasks)); - } - - @Override - public SampleModel createCompatibleSampleModel(int w, int h) { - return new SinglePixelPackedSampleModel(transferType, w, h, componentMasks); - } - - /** - * Gets the bitmask corresponding to the specified color component. - * - * @param index - * the index of the desired color. - * @return the mask. - */ - public final int getMask(int index) { - return componentMasks[index]; - } - - /** - * Gets the bitmasks of the components. - * - * @return the masks. - */ - public final int[] getMasks() { - return (componentMasks.clone()); - } - - /** - * Creates the bits. - * - * @param colorMaskArray - * the color mask array. - * @param alphaMask - * the alpha mask. - * @return the int[]. - */ - private static int[] createBits(int colorMaskArray[], int alphaMask) { - int bits[]; - int numComp; - if (alphaMask == 0) { - numComp = colorMaskArray.length; - } else { - numComp = colorMaskArray.length + 1; - } - - bits = new int[numComp]; - int i = 0; - for (; i < colorMaskArray.length; i++) { - bits[i] = countCompBits(colorMaskArray[i]); - if (bits[i] < 0) { - // awt.23B=The mask of the {0} component is not contiguous - throw new IllegalArgumentException(Messages.getString("awt.23B", i)); //$NON-NLS-1$ - } - } - - if (i < numComp) { - bits[i] = countCompBits(alphaMask); - - if (bits[i] < 0) { - // awt.23C=The mask of the alpha component is not contiguous - throw new IllegalArgumentException(Messages.getString("awt.23C")); //$NON-NLS-1$ - } - } - - return bits; - } - - /** - * Creates the bits. - * - * @param rmask - * the rmask. - * @param gmask - * the gmask. - * @param bmask - * the bmask. - * @param amask - * the amask. - * @return the int[]. - */ - private static int[] createBits(int rmask, int gmask, int bmask, int amask) { - - int numComp; - if (amask == 0) { - numComp = 3; - } else { - numComp = 4; - } - int bits[] = new int[numComp]; - - bits[0] = countCompBits(rmask); - if (bits[0] < 0) { - // awt.23D=The mask of the red component is not contiguous - throw new IllegalArgumentException(Messages.getString("awt.23D")); //$NON-NLS-1$ - } - - bits[1] = countCompBits(gmask); - if (bits[1] < 0) { - // awt.23E=The mask of the green component is not contiguous - throw new IllegalArgumentException(Messages.getString("awt.23E")); //$NON-NLS-1$ - } - - bits[2] = countCompBits(bmask); - if (bits[2] < 0) { - // awt.23F=The mask of the blue component is not contiguous - throw new IllegalArgumentException(Messages.getString("awt.23F")); //$NON-NLS-1$ - } - - if (amask != 0) { - bits[3] = countCompBits(amask); - if (bits[3] < 0) { - // awt.23C=The mask of the alpha component is not contiguous - throw new IllegalArgumentException(Messages.getString("awt.23C")); //$NON-NLS-1$ - } - } - - return bits; - } - - /** - * Count comp bits. - * - * @param compMask - * the comp mask. - * @return the int. - */ - private static int countCompBits(int compMask) { - int bits = 0; - if (compMask != 0) { - // Deleting final zeros - while ((compMask & 1) == 0) { - compMask >>>= 1; - } - // Counting component bits - while ((compMask & 1) == 1) { - compMask >>>= 1; - bits++; - } - } - - if (compMask != 0) { - return -1; - } - - return bits; - } - - /** - * Validate transfer type. - * - * @param transferType - * the transfer type. - * @return the int. - */ - private static int validateTransferType(int transferType) { - if (transferType != DataBuffer.TYPE_BYTE && transferType != DataBuffer.TYPE_USHORT - && transferType != DataBuffer.TYPE_INT) { - // awt.240=The transferType not is one of DataBuffer.TYPE_BYTE, - // DataBuffer.TYPE_USHORT or DataBuffer.TYPE_INT - throw new IllegalArgumentException(Messages.getString("awt.240")); //$NON-NLS-1$ - } - return transferType; - } - - /** - * Parses the components. - */ - private void parseComponents() { - offsets = new int[numComponents]; - scales = new float[numComponents]; - for (int i = 0; i < numComponents; i++) { - int off = 0; - int mask = componentMasks[i]; - while ((mask & 1) == 0) { - mask >>>= 1; - off++; - } - offsets[i] = off; - if (bits[i] == 0) { - scales[i] = 256.0f; // May be any value different from zero, - // because will dividing by zero - } else { - scales[i] = 255.0f / maxValues[i]; - } - } - - } - -} |