124 lines
3.4 KiB
Java
124 lines
3.4 KiB
Java
/*
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* Copyright (C)2011 D. R. Commander. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of the libjpeg-turbo Project nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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final class TJ {
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// Subsampling options
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final static int
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SAMP444 = 0,
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SAMP422 = 1,
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SAMP420 = 2,
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GRAYSCALE = 3;
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// Flags
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final static int
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BGR = 1,
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BOTTOMUP = 2,
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FORCEMMX = 8,
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FORCESSE = 16,
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FORCESSE2 = 32,
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ALPHAFIRST = 64,
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FORCESSE3 = 128,
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FASTUPSAMPLE = 256,
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YUV = 512;
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public native final static long BUFSIZE(int width, int height);
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};
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class tjCompressor {
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tjCompressor() throws Exception {Init();}
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public void close() throws Exception {Destroy();}
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protected void finalize() throws Throwable {
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try {
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close();
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} catch(Exception e) {
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}
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finally {
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super.finalize();
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}
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};
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private native void Init() throws Exception;
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private native void Destroy() throws Exception;
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// JPEG size in bytes is returned
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public native long Compress(byte [] srcbuf, int width, int pitch,
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int height, int pixelsize, byte [] dstbuf, int jpegsubsamp, int jpegqual,
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int flags) throws Exception;
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static {
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System.loadLibrary("turbojpeg");
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}
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private long handle=0;
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};
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class tjHeaderInfo {
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int subsamp=-1;
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int width=-1;
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int height=-1;
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};
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class tjDecompressor {
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tjDecompressor() throws Exception {Init();}
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public void close() throws Exception {Destroy();}
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protected void finalize() throws Throwable {
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try {
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close();
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} catch(Exception e) {
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}
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finally {
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super.finalize();
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}
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};
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private native void Init() throws Exception;
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private native void Destroy() throws Exception;
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public native tjHeaderInfo DecompressHeader(byte [] srcbuf, long size)
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throws Exception;
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public native void Decompress(byte [] srcbuf, long size, byte [] dstbuf,
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int width, int pitch, int height, int pixelsize, int flags)
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throws Exception;
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static {
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System.loadLibrary("turbojpeg");
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}
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private long handle=0;
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};
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