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authorJohn Abd-El-Malek <jabdelmalek@google.com>2014-05-23 17:28:10 -0700
committerJohn Abd-El-Malek <jabdelmalek@google.com>2014-05-23 17:41:56 -0700
commit3f3b45cc74b0499912409f766a595945dbbfc4c5 (patch)
treeec400b6965477b88ea7f0d335f7e5c52044c346c /core/src/fxcodec/libjpeg/transupp.h
parent6fe4aed948337175f6f7f81bb03c37b9c7f535da (diff)
downloadpdfium-3f3b45cc74b0499912409f766a595945dbbfc4c5.tar.xz
Convert all line endings to LF.
Diffstat (limited to 'core/src/fxcodec/libjpeg/transupp.h')
-rw-r--r--core/src/fxcodec/libjpeg/transupp.h270
1 files changed, 135 insertions, 135 deletions
diff --git a/core/src/fxcodec/libjpeg/transupp.h b/core/src/fxcodec/libjpeg/transupp.h
index eb0b05566a..5c2d32aff5 100644
--- a/core/src/fxcodec/libjpeg/transupp.h
+++ b/core/src/fxcodec/libjpeg/transupp.h
@@ -1,135 +1,135 @@
-/*
- * transupp.h
- *
- * Copyright (C) 1997, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains declarations for image transformation routines and
- * other utility code used by the jpegtran sample application. These are
- * NOT part of the core JPEG library. But we keep these routines separate
- * from jpegtran.c to ease the task of maintaining jpegtran-like programs
- * that have other user interfaces.
- *
- * NOTE: all the routines declared here have very specific requirements
- * about when they are to be executed during the reading and writing of the
- * source and destination files. See the comments in transupp.c, or see
- * jpegtran.c for an example of correct usage.
- */
-
-/* If you happen not to want the image transform support, disable it here */
-#ifndef TRANSFORMS_SUPPORTED
-#define TRANSFORMS_SUPPORTED 1 /* 0 disables transform code */
-#endif
-
-/* Short forms of external names for systems with brain-damaged linkers. */
-
-#ifdef NEED_SHORT_EXTERNAL_NAMES
-#define jtransform_request_workspace jTrRequest
-#define jtransform_adjust_parameters jTrAdjust
-#define jtransform_execute_transformation jTrExec
-#define jcopy_markers_setup jCMrkSetup
-#define jcopy_markers_execute jCMrkExec
-#endif /* NEED_SHORT_EXTERNAL_NAMES */
-
-
-/*
- * Codes for supported types of image transformations.
- */
-
-typedef enum {
- JXFORM_NONE, /* no transformation */
- JXFORM_FLIP_H, /* horizontal flip */
- JXFORM_FLIP_V, /* vertical flip */
- JXFORM_TRANSPOSE, /* transpose across UL-to-LR axis */
- JXFORM_TRANSVERSE, /* transpose across UR-to-LL axis */
- JXFORM_ROT_90, /* 90-degree clockwise rotation */
- JXFORM_ROT_180, /* 180-degree rotation */
- JXFORM_ROT_270 /* 270-degree clockwise (or 90 ccw) */
-} JXFORM_CODE;
-
-/*
- * Although rotating and flipping data expressed as DCT coefficients is not
- * hard, there is an asymmetry in the JPEG format specification for images
- * whose dimensions aren't multiples of the iMCU size. The right and bottom
- * image edges are padded out to the next iMCU boundary with junk data; but
- * no padding is possible at the top and left edges. If we were to flip
- * the whole image including the pad data, then pad garbage would become
- * visible at the top and/or left, and real pixels would disappear into the
- * pad margins --- perhaps permanently, since encoders & decoders may not
- * bother to preserve DCT blocks that appear to be completely outside the
- * nominal image area. So, we have to exclude any partial iMCUs from the
- * basic transformation.
- *
- * Transpose is the only transformation that can handle partial iMCUs at the
- * right and bottom edges completely cleanly. flip_h can flip partial iMCUs
- * at the bottom, but leaves any partial iMCUs at the right edge untouched.
- * Similarly flip_v leaves any partial iMCUs at the bottom edge untouched.
- * The other transforms are defined as combinations of these basic transforms
- * and process edge blocks in a way that preserves the equivalence.
- *
- * The "trim" option causes untransformable partial iMCUs to be dropped;
- * this is not strictly lossless, but it usually gives the best-looking
- * result for odd-size images. Note that when this option is active,
- * the expected mathematical equivalences between the transforms may not hold.
- * (For example, -rot 270 -trim trims only the bottom edge, but -rot 90 -trim
- * followed by -rot 180 -trim trims both edges.)
- *
- * We also offer a "force to grayscale" option, which simply discards the
- * chrominance channels of a YCbCr image. This is lossless in the sense that
- * the luminance channel is preserved exactly. It's not the same kind of
- * thing as the rotate/flip transformations, but it's convenient to handle it
- * as part of this package, mainly because the transformation routines have to
- * be aware of the option to know how many components to work on.
- */
-
-typedef struct {
- /* Options: set by caller */
- JXFORM_CODE transform; /* image transform operator */
- boolean trim; /* if TRUE, trim partial MCUs as needed */
- boolean force_grayscale; /* if TRUE, convert color image to grayscale */
-
- /* Internal workspace: caller should not touch these */
- int num_components; /* # of components in workspace */
- jvirt_barray_ptr * workspace_coef_arrays; /* workspace for transformations */
-} jpeg_transform_info;
-
-
-#if TRANSFORMS_SUPPORTED
-
-/* Request any required workspace */
-EXTERN(void) jtransform_request_workspace
- JPP((j_decompress_ptr srcinfo, jpeg_transform_info *info));
-/* Adjust output image parameters */
-EXTERN(jvirt_barray_ptr *) jtransform_adjust_parameters
- JPP((j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
- jvirt_barray_ptr *src_coef_arrays,
- jpeg_transform_info *info));
-/* Execute the actual transformation, if any */
-EXTERN(void) jtransform_execute_transformation
- JPP((j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
- jvirt_barray_ptr *src_coef_arrays,
- jpeg_transform_info *info));
-
-#endif /* TRANSFORMS_SUPPORTED */
-
-
-/*
- * Support for copying optional markers from source to destination file.
- */
-
-typedef enum {
- JCOPYOPT_NONE, /* copy no optional markers */
- JCOPYOPT_COMMENTS, /* copy only comment (COM) markers */
- JCOPYOPT_ALL /* copy all optional markers */
-} JCOPY_OPTION;
-
-#define JCOPYOPT_DEFAULT JCOPYOPT_COMMENTS /* recommended default */
-
-/* Setup decompression object to save desired markers in memory */
-EXTERN(void) jcopy_markers_setup
- JPP((j_decompress_ptr srcinfo, JCOPY_OPTION option));
-/* Copy markers saved in the given source object to the destination object */
-EXTERN(void) jcopy_markers_execute
- JPP((j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
- JCOPY_OPTION option));
+/*
+ * transupp.h
+ *
+ * Copyright (C) 1997, Thomas G. Lane.
+ * This file is part of the Independent JPEG Group's software.
+ * For conditions of distribution and use, see the accompanying README file.
+ *
+ * This file contains declarations for image transformation routines and
+ * other utility code used by the jpegtran sample application. These are
+ * NOT part of the core JPEG library. But we keep these routines separate
+ * from jpegtran.c to ease the task of maintaining jpegtran-like programs
+ * that have other user interfaces.
+ *
+ * NOTE: all the routines declared here have very specific requirements
+ * about when they are to be executed during the reading and writing of the
+ * source and destination files. See the comments in transupp.c, or see
+ * jpegtran.c for an example of correct usage.
+ */
+
+/* If you happen not to want the image transform support, disable it here */
+#ifndef TRANSFORMS_SUPPORTED
+#define TRANSFORMS_SUPPORTED 1 /* 0 disables transform code */
+#endif
+
+/* Short forms of external names for systems with brain-damaged linkers. */
+
+#ifdef NEED_SHORT_EXTERNAL_NAMES
+#define jtransform_request_workspace jTrRequest
+#define jtransform_adjust_parameters jTrAdjust
+#define jtransform_execute_transformation jTrExec
+#define jcopy_markers_setup jCMrkSetup
+#define jcopy_markers_execute jCMrkExec
+#endif /* NEED_SHORT_EXTERNAL_NAMES */
+
+
+/*
+ * Codes for supported types of image transformations.
+ */
+
+typedef enum {
+ JXFORM_NONE, /* no transformation */
+ JXFORM_FLIP_H, /* horizontal flip */
+ JXFORM_FLIP_V, /* vertical flip */
+ JXFORM_TRANSPOSE, /* transpose across UL-to-LR axis */
+ JXFORM_TRANSVERSE, /* transpose across UR-to-LL axis */
+ JXFORM_ROT_90, /* 90-degree clockwise rotation */
+ JXFORM_ROT_180, /* 180-degree rotation */
+ JXFORM_ROT_270 /* 270-degree clockwise (or 90 ccw) */
+} JXFORM_CODE;
+
+/*
+ * Although rotating and flipping data expressed as DCT coefficients is not
+ * hard, there is an asymmetry in the JPEG format specification for images
+ * whose dimensions aren't multiples of the iMCU size. The right and bottom
+ * image edges are padded out to the next iMCU boundary with junk data; but
+ * no padding is possible at the top and left edges. If we were to flip
+ * the whole image including the pad data, then pad garbage would become
+ * visible at the top and/or left, and real pixels would disappear into the
+ * pad margins --- perhaps permanently, since encoders & decoders may not
+ * bother to preserve DCT blocks that appear to be completely outside the
+ * nominal image area. So, we have to exclude any partial iMCUs from the
+ * basic transformation.
+ *
+ * Transpose is the only transformation that can handle partial iMCUs at the
+ * right and bottom edges completely cleanly. flip_h can flip partial iMCUs
+ * at the bottom, but leaves any partial iMCUs at the right edge untouched.
+ * Similarly flip_v leaves any partial iMCUs at the bottom edge untouched.
+ * The other transforms are defined as combinations of these basic transforms
+ * and process edge blocks in a way that preserves the equivalence.
+ *
+ * The "trim" option causes untransformable partial iMCUs to be dropped;
+ * this is not strictly lossless, but it usually gives the best-looking
+ * result for odd-size images. Note that when this option is active,
+ * the expected mathematical equivalences between the transforms may not hold.
+ * (For example, -rot 270 -trim trims only the bottom edge, but -rot 90 -trim
+ * followed by -rot 180 -trim trims both edges.)
+ *
+ * We also offer a "force to grayscale" option, which simply discards the
+ * chrominance channels of a YCbCr image. This is lossless in the sense that
+ * the luminance channel is preserved exactly. It's not the same kind of
+ * thing as the rotate/flip transformations, but it's convenient to handle it
+ * as part of this package, mainly because the transformation routines have to
+ * be aware of the option to know how many components to work on.
+ */
+
+typedef struct {
+ /* Options: set by caller */
+ JXFORM_CODE transform; /* image transform operator */
+ boolean trim; /* if TRUE, trim partial MCUs as needed */
+ boolean force_grayscale; /* if TRUE, convert color image to grayscale */
+
+ /* Internal workspace: caller should not touch these */
+ int num_components; /* # of components in workspace */
+ jvirt_barray_ptr * workspace_coef_arrays; /* workspace for transformations */
+} jpeg_transform_info;
+
+
+#if TRANSFORMS_SUPPORTED
+
+/* Request any required workspace */
+EXTERN(void) jtransform_request_workspace
+ JPP((j_decompress_ptr srcinfo, jpeg_transform_info *info));
+/* Adjust output image parameters */
+EXTERN(jvirt_barray_ptr *) jtransform_adjust_parameters
+ JPP((j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
+ jvirt_barray_ptr *src_coef_arrays,
+ jpeg_transform_info *info));
+/* Execute the actual transformation, if any */
+EXTERN(void) jtransform_execute_transformation
+ JPP((j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
+ jvirt_barray_ptr *src_coef_arrays,
+ jpeg_transform_info *info));
+
+#endif /* TRANSFORMS_SUPPORTED */
+
+
+/*
+ * Support for copying optional markers from source to destination file.
+ */
+
+typedef enum {
+ JCOPYOPT_NONE, /* copy no optional markers */
+ JCOPYOPT_COMMENTS, /* copy only comment (COM) markers */
+ JCOPYOPT_ALL /* copy all optional markers */
+} JCOPY_OPTION;
+
+#define JCOPYOPT_DEFAULT JCOPYOPT_COMMENTS /* recommended default */
+
+/* Setup decompression object to save desired markers in memory */
+EXTERN(void) jcopy_markers_setup
+ JPP((j_decompress_ptr srcinfo, JCOPY_OPTION option));
+/* Copy markers saved in the given source object to the destination object */
+EXTERN(void) jcopy_markers_execute
+ JPP((j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
+ JCOPY_OPTION option));