diff options
Diffstat (limited to 'awt/org/apache/harmony/x/imageio/plugins/jpeg/JPEGImageWriter.java')
| -rw-r--r-- | awt/org/apache/harmony/x/imageio/plugins/jpeg/JPEGImageWriter.java | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/awt/org/apache/harmony/x/imageio/plugins/jpeg/JPEGImageWriter.java b/awt/org/apache/harmony/x/imageio/plugins/jpeg/JPEGImageWriter.java deleted file mode 100644 index ae3e876..0000000 --- a/awt/org/apache/harmony/x/imageio/plugins/jpeg/JPEGImageWriter.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 Rustem V. Rafikov - * @version $Revision: 1.3 $ - */ -package org.apache.harmony.x.imageio.plugins.jpeg; - -import com.android.internal.awt.ImageOutputStreamWrapper; - -import javax.imageio.ImageWriter; -import javax.imageio.IIOImage; -import javax.imageio.ImageTypeSpecifier; -import javax.imageio.ImageWriteParam; -import javax.imageio.plugins.jpeg.JPEGImageWriteParam; -import javax.imageio.stream.ImageOutputStream; -import javax.imageio.spi.ImageWriterSpi; -import javax.imageio.metadata.IIOMetadata; - -import android.graphics.Bitmap; -import android.graphics.BitmapFactory; -import android.graphics.Bitmap.CompressFormat; - -import java.io.File; -import java.io.FileOutputStream; -import java.io.IOException; -import java.awt.image.*; -import java.awt.*; -import java.awt.color.ColorSpace; - -/** - * @author Rustem V. Rafikov - * @version $Revision: 1.3 $ - */ -public class JPEGImageWriter extends ImageWriter { - - // /* ???AWT: Debugging - private static final boolean DEBUG = false; - private static Bitmap bm; - public static Bitmap getBitmap() { - return bm; - } - private static BufferedImage bufImg; - public static BufferedImage getBufImage() { - return bufImg; - } - static private RenderedImage renImg; - static public RenderedImage getRenImage() { - return renImg; - } - // */ - - private long cinfo; - private RenderedImage image; - private Raster sourceRaster; - private WritableRaster scanRaster; - private int srcXOff = 0; - private int srcYOff = 0; - private int srcWidth; - private int srcHeight; - - //-- y step for image subsampling - private int deltaY = 1; - //-- x step for image subsampling - private int deltaX = 1; - - private ImageOutputStream ios; - - public JPEGImageWriter(ImageWriterSpi imageWriterSpi) { - super(imageWriterSpi); - //???AWT: cinfo = initCompressionObj(); - cinfo = System.currentTimeMillis(); - } - - static { - //???AWT - /* - System.loadLibrary("jpegencoder"); - initWriterIds(ImageOutputStream.class); - */ - } - - @Override - public void write(IIOMetadata iioMetadata, IIOImage iioImage, ImageWriteParam param) - throws IOException { - - if (ios == null) { - throw new IllegalArgumentException("ios == null"); - } - if (iioImage == null) { - throw new IllegalArgumentException("Image equals null"); - } - - RenderedImage img = null; - if (!iioImage.hasRaster()) { - img = iioImage.getRenderedImage(); - if (img instanceof BufferedImage) { - sourceRaster = ((BufferedImage) img).getRaster(); - } else { - sourceRaster = img.getData(); - } - } else { - sourceRaster = iioImage.getRaster(); - } - - // AWT???: Debugging - if (DEBUG) { - if( img==null ) { - System.out.println("****J: Image is NULL"); - } else { - renImg = img; - bufImg = (BufferedImage)img; - } - } - - int numBands = sourceRaster.getNumBands(); - int sourceIJGCs = img == null ? JPEGConsts.JCS_UNKNOW : getSourceCSType(img); - - srcWidth = sourceRaster.getWidth(); - srcHeight = sourceRaster.getHeight(); - - int destWidth = srcWidth; - int destHeight = srcHeight; - - boolean progressive = false; - - if (param != null) { - Rectangle reg = param.getSourceRegion(); - if (reg != null) { - srcXOff = reg.x; - srcYOff = reg.y; - - srcWidth = reg.width + srcXOff > srcWidth - ? srcWidth - srcXOff - : reg.width; - srcHeight = reg.height + srcYOff > srcHeight - ? srcHeight - srcYOff - : reg.height; - } - - //-- TODO uncomment when JPEGImageWriteParam be implemented - //-- Only default progressive mode yet - // progressive = param.getProgressiveMode() == ImageWriteParam.MODE_DEFAULT; - - //-- def is 1 - deltaX = param.getSourceXSubsampling(); - deltaY = param.getSourceYSubsampling(); - - //-- def is 0 - int offsetX = param.getSubsamplingXOffset(); - int offsetY = param.getSubsamplingYOffset(); - - srcXOff += offsetX; - srcYOff += offsetY; - srcWidth -= offsetX; - srcHeight -= offsetY; - - destWidth = (srcWidth + deltaX - 1) / deltaX; - destHeight = (srcHeight + deltaY - 1) / deltaY; - } - - //-- default DQTs (see JPEGQTable java doc and JPEG spec K1 & K2 tables) - //-- at http://www.w3.org/Graphics/JPEG/itu-t81.pdf - //-- Only figuring out how to set DQT in IJG library for future metadata - //-- support. IJG def tables are the same. - //JPEGQTable[] dqt = new JPEGQTable[2]; -// int[][] dqt = null; -// int[][] dqt = new int[2][]; -// dqt[0] = JPEGQTable.K1Div2Luminance.getTable(); -// dqt[1] = JPEGQTable.K2Div2Chrominance.getTable(); - - //???AWT: I think we don't need this amymore - /* - //-- using default color space - //-- TODO: Take destination cs from param or use default if there is no cs - int destIJGCs = img == null ? JPEGConsts.JCS_UNKNOW : getDestinationCSType(img); - - DataBufferByte dbuffer = new DataBufferByte(numBands * srcWidth); - - scanRaster = Raster.createInterleavedRaster(dbuffer, srcWidth, 1, - numBands * srcWidth, numBands, JPEGConsts.BAND_OFFSETS[numBands], null); - - encode(dbuffer.getData(), srcWidth, destWidth, destHeight, deltaX, - sourceIJGCs, destIJGCs, numBands, progressive, - null, cinfo); - */ - - SampleModel model = sourceRaster.getSampleModel(); - - if (model instanceof SinglePixelPackedSampleModel) { - DataBufferInt ibuf = (DataBufferInt)sourceRaster.getDataBuffer(); - int[] pixels = ibuf.getData(); - - // Create a bitmap with the pixel - bm = Bitmap.createBitmap(pixels, srcWidth, srcHeight, Bitmap.Config.ARGB_8888); - - // Use Bitmap.compress() to write the image - ImageOutputStreamWrapper iosw = new ImageOutputStreamWrapper(ios); - bm.compress(CompressFormat.JPEG, 100, iosw); - } else { - // ???AWT: Add support for other color models - throw new RuntimeException("Color model not supported yet"); - } - - } - - @Override - public void dispose() { - super.dispose(); - if (cinfo != 0) { - //???AWT: dispose(cinfo); - cinfo = 0; - ios = null; - } - } - - - public IIOMetadata getDefaultStreamMetadata(ImageWriteParam imageWriteParam) { - throw new UnsupportedOperationException("not supported yet"); - } - - public IIOMetadata getDefaultImageMetadata(ImageTypeSpecifier imageTypeSpecifier, ImageWriteParam imageWriteParam) { - throw new UnsupportedOperationException("not supported yet"); - } - - @Override - public IIOMetadata convertStreamMetadata(IIOMetadata iioMetadata, ImageWriteParam imageWriteParam) { - throw new UnsupportedOperationException("not supported yet"); - } - - @Override - public IIOMetadata convertImageMetadata(IIOMetadata iioMetadata, ImageTypeSpecifier imageTypeSpecifier, ImageWriteParam imageWriteParam) { - throw new UnsupportedOperationException("not supported yet"); - } - - @Override - public void setOutput(Object output) { - super.setOutput(output); - ios = (ImageOutputStream) output; - //???AWT: setIOS(ios, cinfo); - sourceRaster = null; - scanRaster = null; - srcXOff = 0; - srcYOff = 0; - srcWidth = 0; - srcHeight = 0; - deltaY = 1; - } - - /** - * Frees resources - * @param structPointer - */ - //???AWT: private native void dispose(long structPointer); - - /** - * Inits methods Ids for native to java callbacks - * @param iosClass - */ - //???AWT: private native static void initWriterIds(Class<ImageOutputStream> iosClass); - - /** - * Inits compression objects - * @return pointer to the native structure - */ - //???AWT: private native long initCompressionObj(); - - /** - * Sets image output stream in IJG layer - * @param stream - */ - //???AWT: private native void setIOS(ImageOutputStream stream, long structPointer); - - /** - * Runs encoding process. - * - * @param data image data buffer to encode - * @param srcWidth - source width - * @param width - destination width - * @param height destination height - * @param deltaX - x subsampling step - * @param inColorSpace - original color space - * @param outColorSpace - destination color space - * @param numBands - number of bands - * @param cinfo - native handler - * @return - */ - //???AWT: - /* - private native boolean encode(byte[] data, int srcWidth, - int width, int height, int deltaX, - int inColorSpace, int outColorSpace, - int numBands, boolean progressive, - int[][] dqt, - long cinfo); - */ - - /** - * Callback for getting a next scanline - * @param scanline scan line number - */ - @SuppressWarnings("unused") - private void getScanLine(int scanline) { - //-- TODO: processImageProgress in ImageWriter - Raster child = sourceRaster.createChild(srcXOff, - srcYOff + scanline * deltaY, srcWidth, 1, 0, 0, null); - - scanRaster.setRect(child); - } - - /** - * Maps color space types to IJG color spaces - * @param image - * @return - */ - private int getSourceCSType(RenderedImage image) { - int type = JPEGConsts.JCS_UNKNOW; - ColorModel cm = image.getColorModel(); - - if (null == cm) { - return type; - } - - if (cm instanceof IndexColorModel) { - throw new UnsupportedOperationException("IndexColorModel is not supported yet"); - } - - boolean hasAlpha = cm.hasAlpha(); - ColorSpace cs = cm.getColorSpace(); - switch(cs.getType()) { - case ColorSpace.TYPE_GRAY: - type = JPEGConsts.JCS_GRAYSCALE; - break; - case ColorSpace.TYPE_RGB: - type = hasAlpha ? JPEGConsts.JCS_RGBA : JPEGConsts.JCS_RGB; - break; - case ColorSpace.TYPE_YCbCr: - type = hasAlpha ? JPEGConsts.JCS_YCbCrA : JPEGConsts.JCS_YCbCr; - break; - case ColorSpace.TYPE_3CLR: - type = hasAlpha ? JPEGConsts.JCS_YCCA : JPEGConsts.JCS_YCC; - break; - case ColorSpace.TYPE_CMYK: - type = JPEGConsts.JCS_CMYK; - break; - } - return type; - } - - /** - * Returns destination color space. - * (YCbCr[A] for RGB) - * - * @param image - * @return - */ - private int getDestinationCSType(RenderedImage image) { - int type = JPEGConsts.JCS_UNKNOW; - ColorModel cm = image.getColorModel(); - if (null != cm) { - boolean hasAlpha = cm.hasAlpha(); - ColorSpace cs = cm.getColorSpace(); - - switch(cs.getType()) { - case ColorSpace.TYPE_GRAY: - type = JPEGConsts.JCS_GRAYSCALE; - break; - case ColorSpace.TYPE_RGB: - type = hasAlpha ? JPEGConsts.JCS_YCbCrA : JPEGConsts.JCS_YCbCr; - break; - case ColorSpace.TYPE_YCbCr: - type = hasAlpha ? JPEGConsts.JCS_YCbCrA : JPEGConsts.JCS_YCbCr; - break; - case ColorSpace.TYPE_3CLR: - type = hasAlpha ? JPEGConsts.JCS_YCCA : JPEGConsts.JCS_YCC; - break; - case ColorSpace.TYPE_CMYK: - type = JPEGConsts.JCS_CMYK; - break; - } - } - return type; - } - - public ImageWriteParam getDefaultWriteParam() { - return new JPEGImageWriteParam(getLocale()); - } -} |