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/*
* 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 {
// Subsampling options
final public static int
NUMSUBOPT = 4,
SAMP444 = 0,
SAMP422 = 1,
SAMP420 = 2,
GRAYSCALE = 3;
// Pixel formats
final public static int
NUMPIXFORMATS = 7,
RGB = 0,
BGR = 1,
RGBX = 2,
BGRX = 3,
XBGR = 4,
XRGB = 5,
YUV = 6;
final public static int pixelSize[] = {
3, 3, 4, 4, 4, 4, 3
};
public static int getPixelSize(int pixelFormat) throws Exception {
if(pixelFormat < 0 || pixelFormat >= NUMPIXFORMATS)
throw new Exception("Invalid pixel format");
return pixelSize[pixelFormat];
}
// Flags
final public static int
BOTTOMUP = 2,
FORCEMMX = 8,
FORCESSE = 16,
FORCESSE2 = 32,
FORCESSE3 = 128,
FASTUPSAMPLE = 256;
final private static int
TJ_BGR = 1,
TJ_ALPHAFIRST = 64,
TJ_YUV = 512;
final private static int flags[] = {
0, TJ_BGR, 0, TJ_BGR, TJ_BGR|TJ_ALPHAFIRST, TJ_ALPHAFIRST, TJ_YUV
};
public static int getFlags(int pixelFormat) throws Exception {
if(pixelFormat < 0 || pixelFormat >= NUMPIXFORMATS)
throw new Exception("Invalid pixel format");
return flags[pixelFormat];
}
public native final static long bufSize(int width, int height)
throws Exception;
public native final static long bufSizeYUV(int width, int height,
int subsamp)
throws Exception;
};
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