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Unified Diff: java/org/libjpegturbo/turbojpeg/TJTransform.java

Issue 1934113002: Update libjpeg_turbo to 1.4.90 from https://github.com/libjpeg-turbo/ (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git@master
Patch Set: Created 4 years, 8 months ago
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Index: java/org/libjpegturbo/turbojpeg/TJTransform.java
diff --git a/java/org/libjpegturbo/turbojpeg/TJTransform.java b/java/org/libjpegturbo/turbojpeg/TJTransform.java
new file mode 100644
index 0000000000000000000000000000000000000000..7381f36e9aac7cdca63b9c0ac09a1a96fc90f3df
--- /dev/null
+++ b/java/org/libjpegturbo/turbojpeg/TJTransform.java
@@ -0,0 +1,208 @@
+/*
+ * Copyright (C)2011, 2013 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;
+
+import java.awt.*;
+
+/**
+ * Lossless transform parameters
+ */
+public class TJTransform extends Rectangle {
+
+ private static final long serialVersionUID = -127367705761430371L;
+
+ /**
+ * The number of lossless transform operations
+ */
+ public static final int NUMOP = 8;
+ /**
+ * Do not transform the position of the image pixels.
+ */
+ public static final int OP_NONE = 0;
+ /**
+ * Flip (mirror) image horizontally. This transform is imperfect if there
+ * are any partial MCU blocks on the right edge.
+ * @see #OPT_PERFECT
+ */
+ public static final int OP_HFLIP = 1;
+ /**
+ * Flip (mirror) image vertically. This transform is imperfect if there are
+ * any partial MCU blocks on the bottom edge.
+ * @see #OPT_PERFECT
+ */
+ public static final int OP_VFLIP = 2;
+ /**
+ * Transpose image (flip/mirror along upper left to lower right axis). This
+ * transform is always perfect.
+ * @see #OPT_PERFECT
+ */
+ public static final int OP_TRANSPOSE = 3;
+ /**
+ * Transverse transpose image (flip/mirror along upper right to lower left
+ * axis). This transform is imperfect if there are any partial MCU blocks in
+ * the image.
+ * @see #OPT_PERFECT
+ */
+ public static final int OP_TRANSVERSE = 4;
+ /**
+ * Rotate image clockwise by 90 degrees. This transform is imperfect if
+ * there are any partial MCU blocks on the bottom edge.
+ * @see #OPT_PERFECT
+ */
+ public static final int OP_ROT90 = 5;
+ /**
+ * Rotate image 180 degrees. This transform is imperfect if there are any
+ * partial MCU blocks in the image.
+ * @see #OPT_PERFECT
+ */
+ public static final int OP_ROT180 = 6;
+ /**
+ * Rotate image counter-clockwise by 90 degrees. This transform is imperfect
+ * if there are any partial MCU blocks on the right edge.
+ * @see #OPT_PERFECT
+ */
+ public static final int OP_ROT270 = 7;
+
+
+ /**
+ * This option will cause {@link TJTransformer#transform
+ * TJTransformer.transform()} to throw an exception if the transform is not
+ * perfect. Lossless transforms operate on MCU blocks, whose size depends on
+ * the level of chrominance subsampling used. If the image's width or height
+ * is not evenly divisible by the MCU block size (see {@link TJ#getMCUWidth}
+ * and {@link TJ#getMCUHeight}), then there will be partial MCU blocks on the
+ * right and/or bottom edges. It is not possible to move these partial MCU
+ * blocks to the top or left of the image, so any transform that would
+ * require that is "imperfect." If this option is not specified, then any
+ * partial MCU blocks that cannot be transformed will be left in place, which
+ * will create odd-looking strips on the right or bottom edge of the image.
+ */
+ public static final int OPT_PERFECT = 1;
+ /**
+ * This option will discard any partial MCU blocks that cannot be
+ * transformed.
+ */
+ public static final int OPT_TRIM = 2;
+ /**
+ * This option will enable lossless cropping.
+ */
+ public static final int OPT_CROP = 4;
+ /**
+ * This option will discard the color data in the input image and produce
+ * a grayscale output image.
+ */
+ public static final int OPT_GRAY = 8;
+ /**
+ * This option will prevent {@link TJTransformer#transform
+ * TJTransformer.transform()} from outputting a JPEG image for this
+ * particular transform. This can be used in conjunction with a custom
+ * filter to capture the transformed DCT coefficients without transcoding
+ * them.
+ */
+ public static final int OPT_NOOUTPUT = 16;
+
+
+ /**
+ * Create a new lossless transform instance.
+ */
+ public TJTransform() {
+ }
+
+ /**
+ * Create a new lossless transform instance with the given parameters.
+ *
+ * @param x the left boundary of the cropping region. This must be evenly
+ * divisible by the MCU block width (see {@link TJ#getMCUWidth})
+ *
+ * @param y the upper boundary of the cropping region. This must be evenly
+ * divisible by the MCU block height (see {@link TJ#getMCUHeight})
+ *
+ * @param w the width of the cropping region. Setting this to 0 is the
+ * equivalent of setting it to (width of the source JPEG image -
+ * <code>x</code>).
+ *
+ * @param h the height of the cropping region. Setting this to 0 is the
+ * equivalent of setting it to (height of the source JPEG image -
+ * <code>y</code>).
+ *
+ * @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(int x, int y, int w, int h, int op, int options,
+ 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
+ * region. See {@link
+ * #TJTransform(int, int, int, int, int, int, TJCustomFilter)} for more
+ * 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;
+}

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