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Unified Diff: transupp.h

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: transupp.h
diff --git a/transupp.h b/transupp.h
index cfbaca40f1b42d54ee55d6ea9776f1c435bd0f94..bf3118a275a485a915dd52ca76bb4b72a6e3b732 100644
--- a/transupp.h
+++ b/transupp.h
@@ -1,9 +1,12 @@
/*
* transupp.h
*
+ * This file was part of the Independent JPEG Group's software:
* Copyright (C) 1997-2011, Thomas G. Lane, Guido Vollbeding.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
+ * It was modified by The libjpeg-turbo Project to include only code relevant
+ * to libjpeg-turbo.
+ * For conditions of distribution and use, see the accompanying README.ijg
+ * file.
*
* This file contains declarations for image transformation routines and
* other utility code used by the jpegtran sample application. These are
@@ -19,7 +22,7 @@
/* If you happen not to want the image transform support, disable it here */
#ifndef TRANSFORMS_SUPPORTED
-#define TRANSFORMS_SUPPORTED 1 /* 0 disables transform code */
+#define TRANSFORMS_SUPPORTED 1 /* 0 disables transform code */
#endif
/*
@@ -77,32 +80,19 @@
*/
-/* Short forms of external names for systems with brain-damaged linkers. */
-
-#ifdef NEED_SHORT_EXTERNAL_NAMES
-#define jtransform_parse_crop_spec jTrParCrop
-#define jtransform_request_workspace jTrRequest
-#define jtransform_adjust_parameters jTrAdjust
-#define jtransform_execute_transform jTrExec
-#define jtransform_perfect_transform jTrPerfect
-#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_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;
/*
@@ -112,10 +102,10 @@ typedef enum {
*/
typedef enum {
- JCROP_UNSET,
- JCROP_POS,
- JCROP_NEG,
- JCROP_FORCE
+ JCROP_UNSET,
+ JCROP_POS,
+ JCROP_NEG,
+ JCROP_FORCE
} JCROP_CODE;
/*
@@ -126,11 +116,11 @@ typedef enum {
typedef struct {
/* Options: set by caller */
- JXFORM_CODE transform; /* image transform operator */
- boolean perfect; /* if TRUE, fail if partial MCUs are requested */
- boolean trim; /* if TRUE, trim partial MCUs as needed */
- boolean force_grayscale; /* if TRUE, convert color image to grayscale */
- boolean crop; /* if TRUE, crop source image */
+ JXFORM_CODE transform; /* image transform operator */
+ boolean perfect; /* if TRUE, fail if partial MCUs are requested */
+ boolean trim; /* if TRUE, trim partial MCUs as needed */
+ boolean force_grayscale; /* if TRUE, convert color image to grayscale */
+ boolean crop; /* if TRUE, crop source image */
boolean slow_hflip; /* For best performance, the JXFORM_FLIP_H transform
normally modifies the source coefficients in place.
Setting this to TRUE will instead use a slower,
@@ -142,23 +132,23 @@ typedef struct {
/* Crop parameters: application need not set these unless crop is TRUE.
* These can be filled in by jtransform_parse_crop_spec().
*/
- JDIMENSION crop_width; /* Width of selected region */
- JCROP_CODE crop_width_set; /* (forced disables adjustment) */
- JDIMENSION crop_height; /* Height of selected region */
- JCROP_CODE crop_height_set; /* (forced disables adjustment) */
- JDIMENSION crop_xoffset; /* X offset of selected region */
- JCROP_CODE crop_xoffset_set; /* (negative measures from right edge) */
- JDIMENSION crop_yoffset; /* Y offset of selected region */
- JCROP_CODE crop_yoffset_set; /* (negative measures from bottom edge) */
+ JDIMENSION crop_width; /* Width of selected region */
+ JCROP_CODE crop_width_set; /* (forced disables adjustment) */
+ JDIMENSION crop_height; /* Height of selected region */
+ JCROP_CODE crop_height_set; /* (forced disables adjustment) */
+ JDIMENSION crop_xoffset; /* X offset of selected region */
+ JCROP_CODE crop_xoffset_set; /* (negative measures from right edge) */
+ JDIMENSION crop_yoffset; /* Y offset of selected region */
+ JCROP_CODE crop_yoffset_set; /* (negative measures from bottom edge) */
/* Internal workspace: caller should not touch these */
- int num_components; /* # of components in workspace */
- jvirt_barray_ptr * workspace_coef_arrays; /* workspace for transformations */
- JDIMENSION output_width; /* cropped destination dimensions */
+ int num_components; /* # of components in workspace */
+ jvirt_barray_ptr *workspace_coef_arrays; /* workspace for transformations */
+ JDIMENSION output_width; /* cropped destination dimensions */
JDIMENSION output_height;
- JDIMENSION x_crop_offset; /* destination crop offsets measured in iMCUs */
+ JDIMENSION x_crop_offset; /* destination crop offsets measured in iMCUs */
JDIMENSION y_crop_offset;
- int iMCU_sample_width; /* destination iMCU size */
+ int iMCU_sample_width; /* destination iMCU size */
int iMCU_sample_height;
} jpeg_transform_info;
@@ -167,34 +157,31 @@ typedef struct {
/* Parse a crop specification (written in X11 geometry style) */
EXTERN(boolean) jtransform_parse_crop_spec
- JPP((jpeg_transform_info *info, const char *spec));
+ (jpeg_transform_info *info, const char *spec);
/* Request any required workspace */
EXTERN(boolean) jtransform_request_workspace
- JPP((j_decompress_ptr srcinfo, jpeg_transform_info *info));
+ (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));
+ (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_transform
- JPP((j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
- jvirt_barray_ptr *src_coef_arrays,
- jpeg_transform_info *info));
+ (j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
+ jvirt_barray_ptr *src_coef_arrays, jpeg_transform_info *info);
/* Determine whether lossless transformation is perfectly
* possible for a specified image and transformation.
*/
EXTERN(boolean) jtransform_perfect_transform
- JPP((JDIMENSION image_width, JDIMENSION image_height,
- int MCU_width, int MCU_height,
- JXFORM_CODE transform));
+ (JDIMENSION image_width, JDIMENSION image_height, int MCU_width,
+ int MCU_height, JXFORM_CODE transform);
/* jtransform_execute_transform used to be called
* jtransform_execute_transformation, but some compilers complain about
* routine names that long. This macro is here to avoid breaking any
* old source code that uses the original name...
*/
-#define jtransform_execute_transformation jtransform_execute_transform
+#define jtransform_execute_transformation jtransform_execute_transform
#endif /* TRANSFORMS_SUPPORTED */
@@ -204,17 +191,17 @@ EXTERN(boolean) jtransform_perfect_transform
*/
typedef enum {
- JCOPYOPT_NONE, /* copy no optional markers */
- JCOPYOPT_COMMENTS, /* copy only comment (COM) markers */
- JCOPYOPT_ALL /* copy all optional markers */
+ 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 */
+#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));
+ (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));
+ (j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
+ JCOPY_OPTION option);
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