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Diffstat (limited to 'awt/java/awt/image/BufferedImageFilter.java')
| -rw-r--r-- | awt/java/awt/image/BufferedImageFilter.java | 397 |
1 files changed, 0 insertions, 397 deletions
diff --git a/awt/java/awt/image/BufferedImageFilter.java b/awt/java/awt/image/BufferedImageFilter.java deleted file mode 100644 index 8b6fcf0..0000000 --- a/awt/java/awt/image/BufferedImageFilter.java +++ /dev/null @@ -1,397 +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 org.apache.harmony.awt.gl.AwtImageBackdoorAccessor; -import org.apache.harmony.awt.internal.nls.Messages; - -/** - * The BufferedImageFilter class provides filtering operations to the - * BufferedImage objects using operators which implement BufferedImageOp - * interface. - * - * @since Android 1.0 - */ -public class BufferedImageFilter extends ImageFilter implements Cloneable { - - /** - * The Constant accessor. - */ - private static final AwtImageBackdoorAccessor accessor = AwtImageBackdoorAccessor.getInstance(); - - /** - * The op. - */ - private BufferedImageOp op; - - /** - * The raster. - */ - private WritableRaster raster; - - /** - * The i data. - */ - private int iData[]; - - /** - * The b data. - */ - private byte bData[]; - - /** - * The width. - */ - private int width; - - /** - * The height. - */ - private int height; - - /** - * The cm. - */ - private ColorModel cm; - - /** - * The forced rgb. - */ - private boolean forcedRGB = false; - - /** - * The transfer type. - */ - private int transferType = DataBuffer.TYPE_UNDEFINED; - - /** - * Instantiates a new BufferedImageFilter with the specified BufferedImageOp - * operator. - * - * @param op - * the specified BufferedImageOp operator. - * @throws NullPointerException - * if BufferedImageOp is null. - */ - public BufferedImageFilter(BufferedImageOp op) { - if (op == null) { - throw new NullPointerException(Messages.getString("awt.05")); //$NON-NLS-1$ - } - this.op = op; - } - - /** - * Gets the BufferedImageOp operator associated with this - * BufferedImageFilter object. - * - * @return the BufferedImageOp associated with this BufferedImageFilter - * object. - */ - public BufferedImageOp getBufferedImageOp() { - return op; - } - - @Override - public void setDimensions(int width, int height) { - this.width = width; - this.height = height; - // Stop image consuming if no pixels expected. - if (width <= 0 || height <= 0) { - consumer.imageComplete(ImageConsumer.STATICIMAGEDONE); - reset(); - } - } - - @Override - public void setColorModel(ColorModel model) { - if (this.cm != null && this.cm != model && raster != null) { - forceRGB(); - } else { - this.cm = model; - } - } - - @Override - public void setPixels(int x, int y, int w, int h, ColorModel model, byte[] pixels, int off, - int scansize) { - setPixels(x, y, w, h, model, pixels, off, scansize, true); - } - - @Override - public void setPixels(int x, int y, int w, int h, ColorModel model, int[] pixels, int off, - int scansize) { - setPixels(x, y, w, h, model, pixels, off, scansize, false); - } - - @Override - public void imageComplete(int status) { - if (status == STATICIMAGEDONE || status == SINGLEFRAMEDONE) { - BufferedImage bim = new BufferedImage(cm, raster, cm.isAlphaPremultiplied, null); - bim = op.filter(bim, null); - DataBuffer dstDb = bim.getRaster().getDataBuffer(); - ColorModel dstCm = bim.getColorModel(); - int dstW = bim.getWidth(); - int dstH = bim.getHeight(); - - consumer.setDimensions(dstW, dstH); - - if (dstDb.getDataType() == DataBuffer.TYPE_INT) { - consumer.setColorModel(dstCm); - consumer.setPixels(0, 0, dstW, dstH, dstCm, accessor.getDataInt(dstDb), 0, dstW); - } else if (dstDb.getDataType() == DataBuffer.TYPE_BYTE) { - consumer.setColorModel(dstCm); - consumer.setPixels(0, 0, dstW, dstH, dstCm, accessor.getDataByte(dstDb), 0, dstW); - } else { - int dstData[] = bim.getRGB(0, 0, dstW, dstH, null, 0, dstW); - dstCm = ColorModel.getRGBdefault(); - consumer.setColorModel(dstCm); - consumer.setPixels(0, 0, dstW, dstH, dstCm, dstData, 0, dstW); - } - } else if (status == IMAGEERROR || status == IMAGEABORTED) { - reset(); - } - - consumer.imageComplete(status); - } - - /** - * Sets the pixels. - * - * @param x - * the x. - * @param y - * the y. - * @param w - * the w. - * @param h - * the h. - * @param model - * the model. - * @param pixels - * the pixels. - * @param off - * the off. - * @param scansize - * the scansize. - * @param isByteData - * the is byte data. - */ - private void setPixels(int x, int y, int w, int h, ColorModel model, Object pixels, int off, - int scansize, boolean isByteData) { - // Check bounds - // Need to copy only the pixels that will fit into the destination area - if (x < 0) { - w -= x; - off += x; - x = 0; - } - - if (y < 0) { - h -= y; - off += y * scansize; - y = 0; - } - - if (x + w > width) { - w = width - x; - } - - if (y + h > height) { - h = height - y; - } - - if (w <= 0 || h <= 0) { - return; - } - - // Check model - if (this.cm == null) { - setColorModel(model); - } else if (model == null) { - model = this.cm; - } else if (!model.equals(this.cm)) { - forceRGB(); - } - - boolean canArraycopy; - // Process pixels - switch (transferType) { - case DataBuffer.TYPE_UNDEFINED: { - if (isByteData) { - transferType = DataBuffer.TYPE_BYTE; - createRaster(transferType); - // bData = new byte[width*height]; - canArraycopy = !forcedRGB; - break; - } - transferType = DataBuffer.TYPE_INT; - createRaster(transferType); - // iData = new int[width*height]; - canArraycopy = !forcedRGB || model.equals(ColorModel.getRGBdefault()); - break; - } // And proceed to copy the pixels - case DataBuffer.TYPE_INT: { - if (isByteData) { // There are int data already but the new data - // are bytes - forceRGB(); - canArraycopy = false; - break; - } else if (!forcedRGB || model.equals(ColorModel.getRGBdefault())) { - canArraycopy = true; - break; - } // Else fallback to the RGB conversion - } - case DataBuffer.TYPE_BYTE: { - if (isByteData && !forcedRGB) { - canArraycopy = true; - break; - } - - // RGB conversion - canArraycopy = false; - break; - } - default: { - throw new IllegalStateException(Messages.getString("awt.06")); //$NON-NLS-1$ - } - } - - off += x; - int maxOffset = off + h * scansize; - int dstOffset = x + y * width; - - if (canArraycopy) { - Object dstArray = isByteData ? (Object)bData : (Object)iData; - for (; off < maxOffset; off += scansize, dstOffset += width) { - System.arraycopy(pixels, off, dstArray, dstOffset, w); - } - } else { - // RGB conversion - for (; off < maxOffset; off += scansize, dstOffset += width) { - int srcPos = off; - int dstPos = dstOffset; - int maxDstPos = dstOffset + w; - for (; dstPos < maxDstPos; dstPos++, srcPos++) { - iData[dstPos] = model.getRGB(isByteData ? ((byte[])pixels)[srcPos] - : ((int[])pixels)[srcPos]); - } - } - } - } - - /** - * Force rgb. - */ - private void forceRGB() { - if (!forcedRGB) { - forcedRGB = true; - int size = width * height; - int rgbData[] = new int[size]; - - if (bData != null) { - for (int i = 0; i < size; i++) { - rgbData[i] = cm.getRGB(bData[i]); - } - } else if (iData != null) { - for (int i = 0; i < size; i++) { - rgbData[i] = cm.getRGB(iData[i]); - } - } - - cm = ColorModel.getRGBdefault(); - DataBufferInt db = new DataBufferInt(rgbData, size); - int masks[] = new int[] { - 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000 - }; - raster = Raster.createPackedRaster(db, width, height, width, masks, null); - iData = accessor.getDataInt(db); - bData = null; - transferType = DataBuffer.TYPE_INT; - } - } - - /** - * Reset. - */ - private void reset() { - width = 0; - height = 0; - forcedRGB = false; - cm = null; - iData = null; - bData = null; - transferType = DataBuffer.TYPE_UNDEFINED; - raster = null; - } - - /** - * Creates the raster. - * - * @param dataType - * the data type. - */ - private void createRaster(int dataType) { - boolean createdValidBuffer = false; - try { - raster = cm.createCompatibleWritableRaster(width, height); - int rasterType = raster.getDataBuffer().getDataType(); - if (rasterType == dataType) { - switch (rasterType) { - case DataBuffer.TYPE_INT: { - iData = accessor.getDataInt(raster.getDataBuffer()); - if (iData != null) { - createdValidBuffer = true; - } - break; - } - case DataBuffer.TYPE_BYTE: { - bData = accessor.getDataByte(raster.getDataBuffer()); - if (bData != null) { - createdValidBuffer = true; - } - break; - } - default: - createdValidBuffer = false; - } - - if (cm == ColorModel.getRGBdefault()) { - forcedRGB = true; - } - } else { - createdValidBuffer = false; - } - } catch (Exception e) { - createdValidBuffer = false; - } - - if (createdValidBuffer == false) { - cm = ColorModel.getRGBdefault(); - raster = cm.createCompatibleWritableRaster(width, height); - iData = accessor.getDataInt(raster.getDataBuffer()); - bData = null; - forcedRGB = true; - } - } -} |