| Index: java/org/libjpegturbo/turbojpeg/TJTransform.java
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| diff --git a/java/org/libjpegturbo/turbojpeg/TJTransform.java b/java/org/libjpegturbo/turbojpeg/TJTransform.java
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| new file mode 100644
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| index 0000000000000000000000000000000000000000..7381f36e9aac7cdca63b9c0ac09a1a96fc90f3df
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| --- /dev/null
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| +++ b/java/org/libjpegturbo/turbojpeg/TJTransform.java
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| @@ -0,0 +1,208 @@
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| +/*
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| + * Copyright (C)2011, 2013 D. R. Commander. All Rights Reserved.
|
| + *
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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
|
| + * 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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| + * 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
|
| + * 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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| +package org.libjpegturbo.turbojpeg;
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| +
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| +import java.awt.*;
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| +
|
| +/**
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| + * Lossless transform parameters
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| + */
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| +public class TJTransform extends Rectangle {
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| +
|
| + private static final long serialVersionUID = -127367705761430371L;
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| +
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| + /**
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| + * The number of lossless transform operations
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| + */
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| + public static final int NUMOP = 8;
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| + /**
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| + * Do not transform the position of the image pixels.
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| + */
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| + public static final int OP_NONE = 0;
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| + /**
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| + * Flip (mirror) image horizontally. This transform is imperfect if there
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| + * are any partial MCU blocks on the right edge.
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| + * @see #OPT_PERFECT
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| + */
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| + public static final int OP_HFLIP = 1;
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| + /**
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| + * Flip (mirror) image vertically. This transform is imperfect if there are
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| + * any partial MCU blocks on the bottom edge.
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| + * @see #OPT_PERFECT
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| + */
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| + public static final int OP_VFLIP = 2;
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| + /**
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| + * Transpose image (flip/mirror along upper left to lower right axis). This
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| + * transform is always perfect.
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| + * @see #OPT_PERFECT
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| + */
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| + public static final int OP_TRANSPOSE = 3;
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| + /**
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| + * Transverse transpose image (flip/mirror along upper right to lower left
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| + * axis). This transform is imperfect if there are any partial MCU blocks in
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| + * the image.
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| + * @see #OPT_PERFECT
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| + */
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| + public static final int OP_TRANSVERSE = 4;
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| + /**
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| + * Rotate image clockwise by 90 degrees. This transform is imperfect if
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| + * there are any partial MCU blocks on the bottom edge.
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| + * @see #OPT_PERFECT
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| + */
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| + public static final int OP_ROT90 = 5;
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| + /**
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| + * Rotate image 180 degrees. This transform is imperfect if there are any
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| + * partial MCU blocks in the image.
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| + * @see #OPT_PERFECT
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| + */
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| + public static final int OP_ROT180 = 6;
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| + /**
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| + * Rotate image counter-clockwise by 90 degrees. This transform is imperfect
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| + * if there are any partial MCU blocks on the right edge.
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| + * @see #OPT_PERFECT
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| + */
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| + public static final int OP_ROT270 = 7;
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| +
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| +
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| + /**
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| + * This option will cause {@link TJTransformer#transform
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| + * TJTransformer.transform()} to throw an exception if the transform is not
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| + * perfect. Lossless transforms operate on MCU blocks, whose size depends on
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| + * the level of chrominance subsampling used. If the image's width or height
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| + * is not evenly divisible by the MCU block size (see {@link TJ#getMCUWidth}
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| + * and {@link TJ#getMCUHeight}), then there will be partial MCU blocks on the
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| + * right and/or bottom edges. It is not possible to move these partial MCU
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| + * blocks to the top or left of the image, so any transform that would
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| + * require that is "imperfect." If this option is not specified, then any
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| + * partial MCU blocks that cannot be transformed will be left in place, which
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| + * will create odd-looking strips on the right or bottom edge of the image.
|
| + */
|
| + public static final int OPT_PERFECT = 1;
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| + /**
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| + * This option will discard any partial MCU blocks that cannot be
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| + * transformed.
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| + */
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| + public static final int OPT_TRIM = 2;
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| + /**
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| + * This option will enable lossless cropping.
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| + */
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| + public static final int OPT_CROP = 4;
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| + /**
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| + * This option will discard the color data in the input image and produce
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| + * a grayscale output image.
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| + */
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| + public static final int OPT_GRAY = 8;
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| + /**
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| + * This option will prevent {@link TJTransformer#transform
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| + * TJTransformer.transform()} from outputting a JPEG image for this
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| + * particular transform. This can be used in conjunction with a custom
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| + * filter to capture the transformed DCT coefficients without transcoding
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| + * them.
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| + */
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| + public static final int OPT_NOOUTPUT = 16;
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| +
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| +
|
| + /**
|
| + * Create a new lossless transform instance.
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| + */
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| + public TJTransform() {
|
| + }
|
| +
|
| + /**
|
| + * Create a new lossless transform instance with the given parameters.
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| + *
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| + * @param x the left boundary of the cropping region. This must be evenly
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| + * divisible by the MCU block width (see {@link TJ#getMCUWidth})
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| + *
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| + * @param y the upper boundary of the cropping region. This must be evenly
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| + * divisible by the MCU block height (see {@link TJ#getMCUHeight})
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| + *
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| + * @param w the width of the cropping region. Setting this to 0 is the
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| + * equivalent of setting it to (width of the source JPEG image -
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| + * <code>x</code>).
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| + *
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| + * @param h the height of the cropping region. Setting this to 0 is the
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| + * equivalent of setting it to (height of the source JPEG image -
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| + * <code>y</code>).
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| + *
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| + * @param op one of the transform operations (<code>OP_*</code>)
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| + *
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| + * @param options the bitwise OR of one or more of the transform options
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| + * (<code>OPT_*</code>)
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| + *
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| + * @param cf an instance of an object that implements the {@link
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| + * TJCustomFilter} interface, or null if no custom filter is needed
|
| + */
|
| + public TJTransform(int x, int y, int w, int h, int op, int options,
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| + TJCustomFilter cf) {
|
| + super(x, y, w, h);
|
| + this.op = op;
|
| + this.options = options;
|
| + this.cf = cf;
|
| + }
|
| +
|
| + /**
|
| + * Create a new lossless transform instance with the given parameters.
|
| + *
|
| + * @param r a <code>Rectangle</code> instance that specifies the cropping
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| + * region. See {@link
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| + * #TJTransform(int, int, int, int, int, int, TJCustomFilter)} for more
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| + * detail.
|
| + *
|
| + * @param op one of the transform operations (<code>OP_*</code>)
|
| + *
|
| + * @param options the bitwise OR of one or more of the transform options
|
| + * (<code>OPT_*</code>)
|
| + *
|
| + * @param cf an instance of an object that implements the {@link
|
| + * TJCustomFilter} interface, or null if no custom filter is needed
|
| + */
|
| + public TJTransform(Rectangle r, int op, int options,
|
| + TJCustomFilter cf) {
|
| + super(r);
|
| + this.op = op;
|
| + this.options = options;
|
| + this.cf = cf;
|
| + }
|
| +
|
| + /**
|
| + * Transform operation (one of <code>OP_*</code>)
|
| + */
|
| + public int op = 0;
|
| +
|
| + /**
|
| + * Transform options (bitwise OR of one or more of <code>OPT_*</code>)
|
| + */
|
| + public int options = 0;
|
| +
|
| + /**
|
| + * Custom filter instance
|
| + */
|
| + public TJCustomFilter cf = null;
|
| +}
|
|
|