4f1580cc0e
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@451 632fc199-4ca6-4c93-a231-07263d6284db
112 lines
3.5 KiB
Java
112 lines
3.5 KiB
Java
/*
|
|
* Copyright (C)2011 D. R. Commander. All Rights Reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* - Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
* - Neither the name of the libjpeg-turbo Project nor the names of its
|
|
* contributors may be used to endorse or promote products derived from this
|
|
* software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
package org.libjpegturbo.turbojpeg;
|
|
|
|
final public class TJ {
|
|
|
|
// Chrominance subsampling options
|
|
final public static int
|
|
NUMSAMPOPT = 4,
|
|
SAMP_444 = 0,
|
|
SAMP_422 = 1,
|
|
SAMP_420 = 2,
|
|
SAMP_GRAY = 3;
|
|
|
|
// Bitmap pixel formats
|
|
final public static int
|
|
NUMPFOPT = 7,
|
|
PF_RGB = 0,
|
|
PF_BGR = 1,
|
|
PF_RGBX = 2,
|
|
PF_BGRX = 3,
|
|
PF_XBGR = 4,
|
|
PF_XRGB = 5,
|
|
PF_GRAY = 6;
|
|
|
|
final private static int pixelSize[] = {
|
|
3, 3, 4, 4, 4, 4, 1
|
|
};
|
|
|
|
final public static int getPixelSize(int pixelFormat) throws Exception {
|
|
if(pixelFormat < 0 || pixelFormat >= NUMPFOPT)
|
|
throw new Exception("Invalid pixel format");
|
|
return pixelSize[pixelFormat];
|
|
}
|
|
|
|
final private static int redShift[] = {
|
|
0, 16, 0, 16, 24, 8, 0
|
|
};
|
|
|
|
final public static int getRedShift(int pixelFormat) throws Exception {
|
|
if(pixelFormat < 0 || pixelFormat >= NUMPFOPT)
|
|
throw new Exception("Invalid pixel format");
|
|
return redShift[pixelFormat];
|
|
}
|
|
|
|
final private static int greenShift[] = {
|
|
8, 8, 8, 8, 16, 16, 0
|
|
};
|
|
|
|
final public static int getGreenShift(int pixelFormat) throws Exception {
|
|
if(pixelFormat < 0 || pixelFormat >= NUMPFOPT)
|
|
throw new Exception("Invalid pixel format");
|
|
return greenShift[pixelFormat];
|
|
}
|
|
|
|
final private static int blueShift[] = {
|
|
16, 0, 16, 0, 8, 24, 0
|
|
};
|
|
|
|
final public static int getBlueShift(int pixelFormat) throws Exception {
|
|
if(pixelFormat < 0 || pixelFormat >= NUMPFOPT)
|
|
throw new Exception("Invalid pixel format");
|
|
return blueShift[pixelFormat];
|
|
}
|
|
|
|
// Flags
|
|
final public static int
|
|
BOTTOMUP = 2,
|
|
FORCEMMX = 8,
|
|
FORCESSE = 16,
|
|
FORCESSE2 = 32,
|
|
FORCESSE3 = 128,
|
|
FASTUPSAMPLE = 256;
|
|
|
|
public native final static int bufSize(int width, int height)
|
|
throws Exception;
|
|
|
|
public native final static int bufSizeYUV(int width, int height,
|
|
int subsamp)
|
|
throws Exception;
|
|
|
|
static {
|
|
System.loadLibrary("turbojpeg");
|
|
}
|
|
};
|