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Unified Diff: jpeglib.h

Issue 1953443002: Update to libjpeg_turbo 1.4.90 (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git@master
Patch Set: Created 4 years, 7 months ago
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Index: jpeglib.h
diff --git a/jpeglib.h b/jpeglib.h
index 4906ec63a5d011d4cfbf3d5b9442ed15468fb945..dd261fbbe4ec0be7aa5c6f10f180aabfb8205935 100644
--- a/jpeglib.h
+++ b/jpeglib.h
@@ -4,10 +4,11 @@
* This file was part of the Independent JPEG Group's software:
* Copyright (C) 1991-1998, Thomas G. Lane.
* Modified 2002-2009 by Guido Vollbeding.
- * Modifications:
- * Copyright (C) 2009-2011, 2013-2014, D. R. Commander.
+ * libjpeg-turbo Modifications:
+ * Copyright (C) 2009-2011, 2013-2014, 2016, D. R. Commander.
* Copyright (C) 2015, Google, Inc.
- * For conditions of distribution and use, see the accompanying README file.
+ * For conditions of distribution and use, see the accompanying README.ijg
+ * file.
*
* This file defines the application interface for the JPEG library.
* Most applications using the library need only include this file,
@@ -28,10 +29,10 @@
* manual configuration options that most people need not worry about.
*/
-#ifndef JCONFIG_INCLUDED /* in case jinclude.h already did */
-#include "jconfig.h" /* widely used configuration options */
+#ifndef JCONFIG_INCLUDED /* in case jinclude.h already did */
+#include "jconfig.h" /* widely used configuration options */
#endif
-#include "jmorecfg.h" /* seldom changed options */
+#include "jmorecfg.h" /* seldom changed options */
#ifdef __cplusplus
@@ -46,13 +47,13 @@ extern "C" {
* if you want to be compatible.
*/
-#define DCTSIZE 8 /* The basic DCT block is 8x8 samples */
-#define DCTSIZE2 64 /* DCTSIZE squared; # of elements in a block */
-#define NUM_QUANT_TBLS 4 /* Quantization tables are numbered 0..3 */
-#define NUM_HUFF_TBLS 4 /* Huffman tables are numbered 0..3 */
-#define NUM_ARITH_TBLS 16 /* Arith-coding tables are numbered 0..15 */
-#define MAX_COMPS_IN_SCAN 4 /* JPEG limit on # of components in one scan */
-#define MAX_SAMP_FACTOR 4 /* JPEG limit on sampling factors */
+#define DCTSIZE 8 /* The basic DCT block is 8x8 samples */
+#define DCTSIZE2 64 /* DCTSIZE squared; # of elements in a block */
+#define NUM_QUANT_TBLS 4 /* Quantization tables are numbered 0..3 */
+#define NUM_HUFF_TBLS 4 /* Huffman tables are numbered 0..3 */
+#define NUM_ARITH_TBLS 16 /* Arith-coding tables are numbered 0..15 */
+#define MAX_COMPS_IN_SCAN 4 /* JPEG limit on # of components in one scan */
+#define MAX_SAMP_FACTOR 4 /* JPEG limit on sampling factors */
/* Unfortunately, some bozo at Adobe saw no reason to be bound by the standard;
* the PostScript DCT filter can emit files with many more than 10 blocks/MCU.
* If you happen to run across such a file, you can up D_MAX_BLOCKS_IN_MCU
@@ -67,20 +68,18 @@ extern "C" {
/* Data structures for images (arrays of samples and of DCT coefficients).
- * On 80x86 machines, the image arrays are too big for near pointers,
- * but the pointer arrays can fit in near memory.
*/
-typedef JSAMPLE FAR *JSAMPROW; /* ptr to one image row of pixel samples. */
-typedef JSAMPROW *JSAMPARRAY; /* ptr to some rows (a 2-D sample array) */
-typedef JSAMPARRAY *JSAMPIMAGE; /* a 3-D sample array: top index is color */
+typedef JSAMPLE *JSAMPROW; /* ptr to one image row of pixel samples. */
+typedef JSAMPROW *JSAMPARRAY; /* ptr to some rows (a 2-D sample array) */
+typedef JSAMPARRAY *JSAMPIMAGE; /* a 3-D sample array: top index is color */
-typedef JCOEF JBLOCK[DCTSIZE2]; /* one block of coefficients */
-typedef JBLOCK FAR *JBLOCKROW; /* pointer to one row of coefficient blocks */
-typedef JBLOCKROW *JBLOCKARRAY; /* a 2-D array of coefficient blocks */
-typedef JBLOCKARRAY *JBLOCKIMAGE; /* a 3-D array of coefficient blocks */
+typedef JCOEF JBLOCK[DCTSIZE2]; /* one block of coefficients */
+typedef JBLOCK *JBLOCKROW; /* pointer to one row of coefficient blocks */
+typedef JBLOCKROW *JBLOCKARRAY; /* a 2-D array of coefficient blocks */
+typedef JBLOCKARRAY *JBLOCKIMAGE; /* a 3-D array of coefficient blocks */
-typedef JCOEF FAR *JCOEFPTR; /* useful in a couple of places */
+typedef JCOEF *JCOEFPTR; /* useful in a couple of places */
/* Types for JPEG compression parameters and working tables. */
@@ -93,13 +92,13 @@ typedef struct {
* (not the zigzag order in which they are stored in a JPEG DQT marker).
* CAUTION: IJG versions prior to v6a kept this array in zigzag order.
*/
- UINT16 quantval[DCTSIZE2]; /* quantization step for each coefficient */
+ UINT16 quantval[DCTSIZE2]; /* quantization step for each coefficient */
/* This field is used only during compression. It's initialized FALSE when
* the table is created, and set TRUE when it's been output to the file.
* You could suppress output of a table by setting this to TRUE.
* (See jpeg_suppress_tables for an example.)
*/
- boolean sent_table; /* TRUE when table has been output */
+ boolean sent_table; /* TRUE when table has been output */
} JQUANT_TBL;
@@ -107,15 +106,15 @@ typedef struct {
typedef struct {
/* These two fields directly represent the contents of a JPEG DHT marker */
- UINT8 bits[17]; /* bits[k] = # of symbols with codes of */
- /* length k bits; bits[0] is unused */
- UINT8 huffval[256]; /* The symbols, in order of incr code length */
+ UINT8 bits[17]; /* bits[k] = # of symbols with codes of */
+ /* length k bits; bits[0] is unused */
+ UINT8 huffval[256]; /* The symbols, in order of incr code length */
/* This field is used only during compression. It's initialized FALSE when
* the table is created, and set TRUE when it's been output to the file.
* You could suppress output of a table by setting this to TRUE.
* (See jpeg_suppress_tables for an example.)
*/
- boolean sent_table; /* TRUE when table has been output */
+ boolean sent_table; /* TRUE when table has been output */
} JHUFF_TBL;
@@ -125,20 +124,20 @@ typedef struct {
/* These values are fixed over the whole image. */
/* For compression, they must be supplied by parameter setup; */
/* for decompression, they are read from the SOF marker. */
- int component_id; /* identifier for this component (0..255) */
- int component_index; /* its index in SOF or cinfo->comp_info[] */
- int h_samp_factor; /* horizontal sampling factor (1..4) */
- int v_samp_factor; /* vertical sampling factor (1..4) */
- int quant_tbl_no; /* quantization table selector (0..3) */
+ int component_id; /* identifier for this component (0..255) */
+ int component_index; /* its index in SOF or cinfo->comp_info[] */
+ int h_samp_factor; /* horizontal sampling factor (1..4) */
+ int v_samp_factor; /* vertical sampling factor (1..4) */
+ int quant_tbl_no; /* quantization table selector (0..3) */
/* These values may vary between scans. */
/* For compression, they must be supplied by parameter setup; */
/* for decompression, they are read from the SOS marker. */
/* The decompressor output side may not use these variables. */
- int dc_tbl_no; /* DC entropy table selector (0..3) */
- int ac_tbl_no; /* AC entropy table selector (0..3) */
-
+ int dc_tbl_no; /* DC entropy table selector (0..3) */
+ int ac_tbl_no; /* AC entropy table selector (0..3) */
+
/* Remaining fields should be treated as private by applications. */
-
+
/* These values are computed during compression or decompression startup: */
/* Component's size in DCT blocks.
* Any dummy blocks added to complete an MCU are not counted; therefore
@@ -149,8 +148,8 @@ typedef struct {
/* Size of a DCT block in samples. Always DCTSIZE for compression.
* For decompression this is the size of the output from one DCT block,
* reflecting any scaling we choose to apply during the IDCT step.
- * Values of 1,2,4,8 are likely to be supported. Note that different
- * components may receive different IDCT scalings.
+ * Values from 1 to 16 are supported.
+ * Note that different components may receive different IDCT scalings.
*/
#if JPEG_LIB_VERSION >= 70
int DCT_h_scaled_size;
@@ -164,53 +163,53 @@ typedef struct {
* and similarly for height. For decompression, IDCT scaling is included, so
* downsampled_width = ceil(image_width * Hi/Hmax * DCT_[h_]scaled_size/DCTSIZE)
*/
- JDIMENSION downsampled_width; /* actual width in samples */
+ JDIMENSION downsampled_width; /* actual width in samples */
JDIMENSION downsampled_height; /* actual height in samples */
/* This flag is used only for decompression. In cases where some of the
* components will be ignored (eg grayscale output from YCbCr image),
* we can skip most computations for the unused components.
*/
- boolean component_needed; /* do we need the value of this component? */
+ boolean component_needed; /* do we need the value of this component? */
/* These values are computed before starting a scan of the component. */
/* The decompressor output side may not use these variables. */
- int MCU_width; /* number of blocks per MCU, horizontally */
- int MCU_height; /* number of blocks per MCU, vertically */
- int MCU_blocks; /* MCU_width * MCU_height */
- int MCU_sample_width; /* MCU width in samples, MCU_width*DCT_[h_]scaled_size */
- int last_col_width; /* # of non-dummy blocks across in last MCU */
- int last_row_height; /* # of non-dummy blocks down in last MCU */
+ int MCU_width; /* number of blocks per MCU, horizontally */
+ int MCU_height; /* number of blocks per MCU, vertically */
+ int MCU_blocks; /* MCU_width * MCU_height */
+ int MCU_sample_width; /* MCU width in samples, MCU_width*DCT_[h_]scaled_size */
+ int last_col_width; /* # of non-dummy blocks across in last MCU */
+ int last_row_height; /* # of non-dummy blocks down in last MCU */
/* Saved quantization table for component; NULL if none yet saved.
* See jdinput.c comments about the need for this information.
* This field is currently used only for decompression.
*/
- JQUANT_TBL * quant_table;
+ JQUANT_TBL *quant_table;
/* Private per-component storage for DCT or IDCT subsystem. */
- void * dct_table;
+ void *dct_table;
} jpeg_component_info;
/* The script for encoding a multiple-scan file is an array of these: */
typedef struct {
- int comps_in_scan; /* number of components encoded in this scan */
+ int comps_in_scan; /* number of components encoded in this scan */
int component_index[MAX_COMPS_IN_SCAN]; /* their SOF/comp_info[] indexes */
- int Ss, Se; /* progressive JPEG spectral selection parms */
- int Ah, Al; /* progressive JPEG successive approx. parms */
+ int Ss, Se; /* progressive JPEG spectral selection parms */
+ int Ah, Al; /* progressive JPEG successive approx. parms */
} jpeg_scan_info;
/* The decompressor can save APPn and COM markers in a list of these: */
-typedef struct jpeg_marker_struct FAR * jpeg_saved_marker_ptr;
+typedef struct jpeg_marker_struct *jpeg_saved_marker_ptr;
struct jpeg_marker_struct {
- jpeg_saved_marker_ptr next; /* next in list, or NULL */
- UINT8 marker; /* marker code: JPEG_COM, or JPEG_APP0+n */
- unsigned int original_length; /* # bytes of data in the file */
- unsigned int data_length; /* # bytes of data saved at data[] */
- JOCTET FAR * data; /* the data contained in the marker */
+ jpeg_saved_marker_ptr next; /* next in list, or NULL */
+ UINT8 marker; /* marker code: JPEG_COM, or JPEG_APP0+n */
+ unsigned int original_length; /* # bytes of data in the file */
+ unsigned int data_length; /* # bytes of data saved at data[] */
+ JOCTET *data; /* the data contained in the marker */
/* the marker length word is not counted in data_length or original_length */
};
@@ -220,103 +219,102 @@ struct jpeg_marker_struct {
#define JCS_ALPHA_EXTENSIONS 1
typedef enum {
- JCS_UNKNOWN, /* error/unspecified */
- JCS_GRAYSCALE, /* monochrome */
- JCS_RGB, /* red/green/blue as specified by the RGB_RED, RGB_GREEN,
- RGB_BLUE, and RGB_PIXELSIZE macros */
- JCS_YCbCr, /* Y/Cb/Cr (also known as YUV) */
- JCS_CMYK, /* C/M/Y/K */
- JCS_YCCK, /* Y/Cb/Cr/K */
- JCS_EXT_RGB, /* red/green/blue */
- JCS_EXT_RGBX, /* red/green/blue/x */
- JCS_EXT_BGR, /* blue/green/red */
- JCS_EXT_BGRX, /* blue/green/red/x */
- JCS_EXT_XBGR, /* x/blue/green/red */
- JCS_EXT_XRGB, /* x/red/green/blue */
- /* When out_color_space it set to JCS_EXT_RGBX, JCS_EXT_BGRX,
- JCS_EXT_XBGR, or JCS_EXT_XRGB during decompression, the X byte is
- undefined, and in order to ensure the best performance,
- libjpeg-turbo can set that byte to whatever value it wishes. Use
- the following colorspace constants to ensure that the X byte is set
- to 0xFF, so that it can be interpreted as an opaque alpha
- channel. */
- JCS_EXT_RGBA, /* red/green/blue/alpha */
- JCS_EXT_BGRA, /* blue/green/red/alpha */
- JCS_EXT_ABGR, /* alpha/blue/green/red */
- JCS_EXT_ARGB, /* alpha/red/green/blue */
- JCS_RGB565 /* 5-bit red/6-bit green/5-bit blue */
+ JCS_UNKNOWN, /* error/unspecified */
+ JCS_GRAYSCALE, /* monochrome */
+ JCS_RGB, /* red/green/blue as specified by the RGB_RED,
+ RGB_GREEN, RGB_BLUE, and RGB_PIXELSIZE macros */
+ JCS_YCbCr, /* Y/Cb/Cr (also known as YUV) */
+ JCS_CMYK, /* C/M/Y/K */
+ JCS_YCCK, /* Y/Cb/Cr/K */
+ JCS_EXT_RGB, /* red/green/blue */
+ JCS_EXT_RGBX, /* red/green/blue/x */
+ JCS_EXT_BGR, /* blue/green/red */
+ JCS_EXT_BGRX, /* blue/green/red/x */
+ JCS_EXT_XBGR, /* x/blue/green/red */
+ JCS_EXT_XRGB, /* x/red/green/blue */
+ /* When out_color_space it set to JCS_EXT_RGBX, JCS_EXT_BGRX, JCS_EXT_XBGR,
+ or JCS_EXT_XRGB during decompression, the X byte is undefined, and in
+ order to ensure the best performance, libjpeg-turbo can set that byte to
+ whatever value it wishes. Use the following colorspace constants to
+ ensure that the X byte is set to 0xFF, so that it can be interpreted as an
+ opaque alpha channel. */
+ JCS_EXT_RGBA, /* red/green/blue/alpha */
+ JCS_EXT_BGRA, /* blue/green/red/alpha */
+ JCS_EXT_ABGR, /* alpha/blue/green/red */
+ JCS_EXT_ARGB, /* alpha/red/green/blue */
+ JCS_RGB565 /* 5-bit red/6-bit green/5-bit blue */
} J_COLOR_SPACE;
/* DCT/IDCT algorithm options. */
typedef enum {
- JDCT_ISLOW, /* slow but accurate integer algorithm */
- JDCT_IFAST, /* faster, less accurate integer method */
- JDCT_FLOAT /* floating-point: accurate, fast on fast HW */
+ JDCT_ISLOW, /* slow but accurate integer algorithm */
+ JDCT_IFAST, /* faster, less accurate integer method */
+ JDCT_FLOAT /* floating-point: accurate, fast on fast HW */
} J_DCT_METHOD;
-#ifndef JDCT_DEFAULT /* may be overridden in jconfig.h */
+#ifndef JDCT_DEFAULT /* may be overridden in jconfig.h */
#define JDCT_DEFAULT JDCT_ISLOW
#endif
-#ifndef JDCT_FASTEST /* may be overridden in jconfig.h */
+#ifndef JDCT_FASTEST /* may be overridden in jconfig.h */
#define JDCT_FASTEST JDCT_IFAST
#endif
/* Dithering options for decompression. */
typedef enum {
- JDITHER_NONE, /* no dithering */
- JDITHER_ORDERED, /* simple ordered dither */
- JDITHER_FS /* Floyd-Steinberg error diffusion dither */
+ JDITHER_NONE, /* no dithering */
+ JDITHER_ORDERED, /* simple ordered dither */
+ JDITHER_FS /* Floyd-Steinberg error diffusion dither */
} J_DITHER_MODE;
/* Common fields between JPEG compression and decompression master structs. */
#define jpeg_common_fields \
- struct jpeg_error_mgr * err; /* Error handler module */\
- struct jpeg_memory_mgr * mem; /* Memory manager module */\
- struct jpeg_progress_mgr * progress; /* Progress monitor, or NULL if none */\
- void * client_data; /* Available for use by application */\
- boolean is_decompressor; /* So common code can tell which is which */\
- int global_state /* For checking call sequence validity */
+ struct jpeg_error_mgr *err; /* Error handler module */\
+ struct jpeg_memory_mgr *mem; /* Memory manager module */\
+ struct jpeg_progress_mgr *progress; /* Progress monitor, or NULL if none */\
+ void *client_data; /* Available for use by application */\
+ boolean is_decompressor; /* So common code can tell which is which */\
+ int global_state /* For checking call sequence validity */
/* Routines that are to be used by both halves of the library are declared
* to receive a pointer to this structure. There are no actual instances of
* jpeg_common_struct, only of jpeg_compress_struct and jpeg_decompress_struct.
*/
struct jpeg_common_struct {
- jpeg_common_fields; /* Fields common to both master struct types */
+ jpeg_common_fields; /* Fields common to both master struct types */
/* Additional fields follow in an actual jpeg_compress_struct or
* jpeg_decompress_struct. All three structs must agree on these
* initial fields! (This would be a lot cleaner in C++.)
*/
};
-typedef struct jpeg_common_struct * j_common_ptr;
-typedef struct jpeg_compress_struct * j_compress_ptr;
-typedef struct jpeg_decompress_struct * j_decompress_ptr;
+typedef struct jpeg_common_struct *j_common_ptr;
+typedef struct jpeg_compress_struct *j_compress_ptr;
+typedef struct jpeg_decompress_struct *j_decompress_ptr;
/* Master record for a compression instance */
struct jpeg_compress_struct {
- jpeg_common_fields; /* Fields shared with jpeg_decompress_struct */
+ jpeg_common_fields; /* Fields shared with jpeg_decompress_struct */
/* Destination for compressed data */
- struct jpeg_destination_mgr * dest;
+ struct jpeg_destination_mgr *dest;
/* Description of source image --- these fields must be filled in by
* outer application before starting compression. in_color_space must
* be correct before you can even call jpeg_set_defaults().
*/
- JDIMENSION image_width; /* input image width */
- JDIMENSION image_height; /* input image height */
- int input_components; /* # of color components in input image */
- J_COLOR_SPACE in_color_space; /* colorspace of input image */
+ JDIMENSION image_width; /* input image width */
+ JDIMENSION image_height; /* input image height */
+ int input_components; /* # of color components in input image */
+ J_COLOR_SPACE in_color_space; /* colorspace of input image */
- double input_gamma; /* image gamma of input image */
+ double input_gamma; /* image gamma of input image */
/* Compression parameters --- these fields must be set before calling
* jpeg_start_compress(). We recommend calling jpeg_set_defaults() to
@@ -329,8 +327,8 @@ struct jpeg_compress_struct {
#if JPEG_LIB_VERSION >= 70
unsigned int scale_num, scale_denom; /* fraction by which to scale image */
- JDIMENSION jpeg_width; /* scaled JPEG image width */
- JDIMENSION jpeg_height; /* scaled JPEG image height */
+ JDIMENSION jpeg_width; /* scaled JPEG image width */
+ JDIMENSION jpeg_height; /* scaled JPEG image height */
/* Dimensions of actual JPEG image that will be written to file,
* derived from input dimensions by scaling factors above.
* These fields are computed by jpeg_start_compress().
@@ -339,15 +337,15 @@ struct jpeg_compress_struct {
*/
#endif
- int data_precision; /* bits of precision in image data */
+ int data_precision; /* bits of precision in image data */
- int num_components; /* # of color components in JPEG image */
+ int num_components; /* # of color components in JPEG image */
J_COLOR_SPACE jpeg_color_space; /* colorspace of JPEG image */
- jpeg_component_info * comp_info;
+ jpeg_component_info *comp_info;
/* comp_info[i] describes component that appears i'th in SOF */
- JQUANT_TBL * quant_tbl_ptrs[NUM_QUANT_TBLS];
+ JQUANT_TBL *quant_tbl_ptrs[NUM_QUANT_TBLS];
#if JPEG_LIB_VERSION >= 70
int q_scale_factor[NUM_QUANT_TBLS];
#endif
@@ -355,30 +353,30 @@ struct jpeg_compress_struct {
* and corresponding scale factors (percentage, initialized 100).
*/
- JHUFF_TBL * dc_huff_tbl_ptrs[NUM_HUFF_TBLS];
- JHUFF_TBL * ac_huff_tbl_ptrs[NUM_HUFF_TBLS];
+ JHUFF_TBL *dc_huff_tbl_ptrs[NUM_HUFF_TBLS];
+ JHUFF_TBL *ac_huff_tbl_ptrs[NUM_HUFF_TBLS];
/* ptrs to Huffman coding tables, or NULL if not defined */
UINT8 arith_dc_L[NUM_ARITH_TBLS]; /* L values for DC arith-coding tables */
UINT8 arith_dc_U[NUM_ARITH_TBLS]; /* U values for DC arith-coding tables */
UINT8 arith_ac_K[NUM_ARITH_TBLS]; /* Kx values for AC arith-coding tables */
- int num_scans; /* # of entries in scan_info array */
- const jpeg_scan_info * scan_info; /* script for multi-scan file, or NULL */
+ int num_scans; /* # of entries in scan_info array */
+ const jpeg_scan_info *scan_info; /* script for multi-scan file, or NULL */
/* The default value of scan_info is NULL, which causes a single-scan
* sequential JPEG file to be emitted. To create a multi-scan file,
* set num_scans and scan_info to point to an array of scan definitions.
*/
- boolean raw_data_in; /* TRUE=caller supplies downsampled data */
- boolean arith_code; /* TRUE=arithmetic coding, FALSE=Huffman */
- boolean optimize_coding; /* TRUE=optimize entropy encoding parms */
- boolean CCIR601_sampling; /* TRUE=first samples are cosited */
+ boolean raw_data_in; /* TRUE=caller supplies downsampled data */
+ boolean arith_code; /* TRUE=arithmetic coding, FALSE=Huffman */
+ boolean optimize_coding; /* TRUE=optimize entropy encoding parms */
+ boolean CCIR601_sampling; /* TRUE=first samples are cosited */
#if JPEG_LIB_VERSION >= 70
boolean do_fancy_downsampling; /* TRUE=apply fancy downsampling */
#endif
- int smoothing_factor; /* 1..100, or 0 for no input smoothing */
- J_DCT_METHOD dct_method; /* DCT algorithm selector */
+ int smoothing_factor; /* 1..100, or 0 for no input smoothing */
+ J_DCT_METHOD dct_method; /* DCT algorithm selector */
/* The restart interval can be specified in absolute MCUs by setting
* restart_interval, or in MCU rows by setting restart_in_rows
@@ -386,28 +384,28 @@ struct jpeg_compress_struct {
* for each scan).
*/
unsigned int restart_interval; /* MCUs per restart, or 0 for no restart */
- int restart_in_rows; /* if > 0, MCU rows per restart interval */
+ int restart_in_rows; /* if > 0, MCU rows per restart interval */
/* Parameters controlling emission of special markers. */
- boolean write_JFIF_header; /* should a JFIF marker be written? */
- UINT8 JFIF_major_version; /* What to write for the JFIF version number */
+ boolean write_JFIF_header; /* should a JFIF marker be written? */
+ UINT8 JFIF_major_version; /* What to write for the JFIF version number */
UINT8 JFIF_minor_version;
/* These three values are not used by the JPEG code, merely copied */
/* into the JFIF APP0 marker. density_unit can be 0 for unknown, */
/* 1 for dots/inch, or 2 for dots/cm. Note that the pixel aspect */
/* ratio is defined by X_density/Y_density even when density_unit=0. */
- UINT8 density_unit; /* JFIF code for pixel size units */
- UINT16 X_density; /* Horizontal pixel density */
- UINT16 Y_density; /* Vertical pixel density */
- boolean write_Adobe_marker; /* should an Adobe marker be written? */
-
+ UINT8 density_unit; /* JFIF code for pixel size units */
+ UINT16 X_density; /* Horizontal pixel density */
+ UINT16 Y_density; /* Vertical pixel density */
+ boolean write_Adobe_marker; /* should an Adobe marker be written? */
+
/* State variable: index of next scanline to be written to
* jpeg_write_scanlines(). Application may use this to control its
* processing loop, e.g., "while (next_scanline < image_height)".
*/
- JDIMENSION next_scanline; /* 0 .. image_height-1 */
+ JDIMENSION next_scanline; /* 0 .. image_height-1 */
/* Remaining fields are known throughout compressor, but generally
* should not be touched by a surrounding application.
@@ -416,59 +414,59 @@ struct jpeg_compress_struct {
/*
* These fields are computed during compression startup
*/
- boolean progressive_mode; /* TRUE if scan script uses progressive mode */
- int max_h_samp_factor; /* largest h_samp_factor */
- int max_v_samp_factor; /* largest v_samp_factor */
+ boolean progressive_mode; /* TRUE if scan script uses progressive mode */
+ int max_h_samp_factor; /* largest h_samp_factor */
+ int max_v_samp_factor; /* largest v_samp_factor */
#if JPEG_LIB_VERSION >= 70
- int min_DCT_h_scaled_size; /* smallest DCT_h_scaled_size of any component */
- int min_DCT_v_scaled_size; /* smallest DCT_v_scaled_size of any component */
+ int min_DCT_h_scaled_size; /* smallest DCT_h_scaled_size of any component */
+ int min_DCT_v_scaled_size; /* smallest DCT_v_scaled_size of any component */
#endif
- JDIMENSION total_iMCU_rows; /* # of iMCU rows to be input to coef ctlr */
+ JDIMENSION total_iMCU_rows; /* # of iMCU rows to be input to coef ctlr */
/* The coefficient controller receives data in units of MCU rows as defined
* for fully interleaved scans (whether the JPEG file is interleaved or not).
* There are v_samp_factor * DCTSIZE sample rows of each component in an
* "iMCU" (interleaved MCU) row.
*/
-
+
/*
* These fields are valid during any one scan.
* They describe the components and MCUs actually appearing in the scan.
*/
- int comps_in_scan; /* # of JPEG components in this scan */
- jpeg_component_info * cur_comp_info[MAX_COMPS_IN_SCAN];
+ int comps_in_scan; /* # of JPEG components in this scan */
+ jpeg_component_info *cur_comp_info[MAX_COMPS_IN_SCAN];
/* *cur_comp_info[i] describes component that appears i'th in SOS */
-
- JDIMENSION MCUs_per_row; /* # of MCUs across the image */
- JDIMENSION MCU_rows_in_scan; /* # of MCU rows in the image */
-
- int blocks_in_MCU; /* # of DCT blocks per MCU */
+
+ JDIMENSION MCUs_per_row; /* # of MCUs across the image */
+ JDIMENSION MCU_rows_in_scan; /* # of MCU rows in the image */
+
+ int blocks_in_MCU; /* # of DCT blocks per MCU */
int MCU_membership[C_MAX_BLOCKS_IN_MCU];
/* MCU_membership[i] is index in cur_comp_info of component owning */
/* i'th block in an MCU */
- int Ss, Se, Ah, Al; /* progressive JPEG parameters for scan */
+ int Ss, Se, Ah, Al; /* progressive JPEG parameters for scan */
#if JPEG_LIB_VERSION >= 80
- int block_size; /* the basic DCT block size: 1..16 */
- const int * natural_order; /* natural-order position array */
- int lim_Se; /* min( Se, DCTSIZE2-1 ) */
+ int block_size; /* the basic DCT block size: 1..16 */
+ const int *natural_order; /* natural-order position array */
+ int lim_Se; /* min( Se, DCTSIZE2-1 ) */
#endif
/*
* Links to compression subobjects (methods and private variables of modules)
*/
- struct jpeg_comp_master * master;
- struct jpeg_c_main_controller * main;
- struct jpeg_c_prep_controller * prep;
- struct jpeg_c_coef_controller * coef;
- struct jpeg_marker_writer * marker;
- struct jpeg_color_converter * cconvert;
- struct jpeg_downsampler * downsample;
- struct jpeg_forward_dct * fdct;
- struct jpeg_entropy_encoder * entropy;
- jpeg_scan_info * script_space; /* workspace for jpeg_simple_progression */
+ struct jpeg_comp_master *master;
+ struct jpeg_c_main_controller *main;
+ struct jpeg_c_prep_controller *prep;
+ struct jpeg_c_coef_controller *coef;
+ struct jpeg_marker_writer *marker;
+ struct jpeg_color_converter *cconvert;
+ struct jpeg_downsampler *downsample;
+ struct jpeg_forward_dct *fdct;
+ struct jpeg_entropy_encoder *entropy;
+ jpeg_scan_info *script_space; /* workspace for jpeg_simple_progression */
int script_space_size;
};
@@ -476,17 +474,17 @@ struct jpeg_compress_struct {
/* Master record for a decompression instance */
struct jpeg_decompress_struct {
- jpeg_common_fields; /* Fields shared with jpeg_compress_struct */
+ jpeg_common_fields; /* Fields shared with jpeg_compress_struct */
/* Source of compressed data */
- struct jpeg_source_mgr * src;
+ struct jpeg_source_mgr *src;
/* Basic description of image --- filled in by jpeg_read_header(). */
/* Application may inspect these values to decide how to process image. */
- JDIMENSION image_width; /* nominal image width (from SOF marker) */
- JDIMENSION image_height; /* nominal image height */
- int num_components; /* # of color components in JPEG image */
+ JDIMENSION image_width; /* nominal image width (from SOF marker) */
+ JDIMENSION image_height; /* nominal image height */
+ int num_components; /* # of color components in JPEG image */
J_COLOR_SPACE jpeg_color_space; /* colorspace of JPEG image */
/* Decompression processing parameters --- these fields must be set before
@@ -498,24 +496,24 @@ struct jpeg_decompress_struct {
unsigned int scale_num, scale_denom; /* fraction by which to scale image */
- double output_gamma; /* image gamma wanted in output */
+ double output_gamma; /* image gamma wanted in output */
- boolean buffered_image; /* TRUE=multiple output passes */
- boolean raw_data_out; /* TRUE=downsampled data wanted */
+ boolean buffered_image; /* TRUE=multiple output passes */
+ boolean raw_data_out; /* TRUE=downsampled data wanted */
- J_DCT_METHOD dct_method; /* IDCT algorithm selector */
- boolean do_fancy_upsampling; /* TRUE=apply fancy upsampling */
- boolean do_block_smoothing; /* TRUE=apply interblock smoothing */
+ J_DCT_METHOD dct_method; /* IDCT algorithm selector */
+ boolean do_fancy_upsampling; /* TRUE=apply fancy upsampling */
+ boolean do_block_smoothing; /* TRUE=apply interblock smoothing */
- boolean quantize_colors; /* TRUE=colormapped output wanted */
+ boolean quantize_colors; /* TRUE=colormapped output wanted */
/* the following are ignored if not quantize_colors: */
- J_DITHER_MODE dither_mode; /* type of color dithering to use */
- boolean two_pass_quantize; /* TRUE=use two-pass color quantization */
- int desired_number_of_colors; /* max # colors to use in created colormap */
+ J_DITHER_MODE dither_mode; /* type of color dithering to use */
+ boolean two_pass_quantize; /* TRUE=use two-pass color quantization */
+ int desired_number_of_colors; /* max # colors to use in created colormap */
/* these are significant only in buffered-image mode: */
- boolean enable_1pass_quant; /* enable future use of 1-pass quantizer */
+ boolean enable_1pass_quant; /* enable future use of 1-pass quantizer */
boolean enable_external_quant;/* enable future use of external colormap */
- boolean enable_2pass_quant; /* enable future use of 2-pass quantizer */
+ boolean enable_2pass_quant; /* enable future use of 2-pass quantizer */
/* Description of actual output image that will be returned to application.
* These fields are computed by jpeg_start_decompress().
@@ -523,14 +521,14 @@ struct jpeg_decompress_struct {
* in advance of calling jpeg_start_decompress().
*/
- JDIMENSION output_width; /* scaled image width */
- JDIMENSION output_height; /* scaled image height */
- int out_color_components; /* # of color components in out_color_space */
- int output_components; /* # of color components returned */
+ JDIMENSION output_width; /* scaled image width */
+ JDIMENSION output_height; /* scaled image height */
+ int out_color_components; /* # of color components in out_color_space */
+ int output_components; /* # of color components returned */
/* output_components is 1 (a colormap index) when quantizing colors;
* otherwise it equals out_color_components.
*/
- int rec_outbuf_height; /* min recommended height of scanline buffer */
+ int rec_outbuf_height; /* min recommended height of scanline buffer */
/* If the buffer passed to jpeg_read_scanlines() is less than this many rows
* high, space and time will be wasted due to unnecessary data copying.
* Usually rec_outbuf_height will be 1 or 2, at most 4.
@@ -542,8 +540,8 @@ struct jpeg_decompress_struct {
* jpeg_start_decompress or jpeg_start_output.
* The map has out_color_components rows and actual_number_of_colors columns.
*/
- int actual_number_of_colors; /* number of entries in use */
- JSAMPARRAY colormap; /* The color map as a 2-D pixel array */
+ int actual_number_of_colors; /* number of entries in use */
+ JSAMPARRAY colormap; /* The color map as a 2-D pixel array */
/* State variables: these variables indicate the progress of decompression.
* The application may examine these but must not modify them.
@@ -553,20 +551,20 @@ struct jpeg_decompress_struct {
* Application may use this to control its processing loop, e.g.,
* "while (output_scanline < output_height)".
*/
- JDIMENSION output_scanline; /* 0 .. output_height-1 */
+ JDIMENSION output_scanline; /* 0 .. output_height-1 */
/* Current input scan number and number of iMCU rows completed in scan.
* These indicate the progress of the decompressor input side.
*/
- int input_scan_number; /* Number of SOS markers seen so far */
- JDIMENSION input_iMCU_row; /* Number of iMCU rows completed */
+ int input_scan_number; /* Number of SOS markers seen so far */
+ JDIMENSION input_iMCU_row; /* Number of iMCU rows completed */
/* The "output scan number" is the notional scan being displayed by the
* output side. The decompressor will not allow output scan/row number
* to get ahead of input scan/row, but it can fall arbitrarily far behind.
*/
- int output_scan_number; /* Nominal scan number being displayed */
- JDIMENSION output_iMCU_row; /* Number of iMCU rows read */
+ int output_scan_number; /* Nominal scan number being displayed */
+ JDIMENSION output_iMCU_row; /* Number of iMCU rows read */
/* Current progression status. coef_bits[c][i] indicates the precision
* with which component c's DCT coefficient i (in zigzag order) is known.
@@ -575,7 +573,7 @@ struct jpeg_decompress_struct {
* (thus, 0 at completion of the progression).
* This pointer is NULL when reading a non-progressive file.
*/
- int (*coef_bits)[DCTSIZE2]; /* -1 or current Al value for each coef */
+ int (*coef_bits)[DCTSIZE2]; /* -1 or current Al value for each coef */
/* Internal JPEG parameters --- the application usually need not look at
* these fields. Note that the decompressor output side may not use
@@ -586,27 +584,27 @@ struct jpeg_decompress_struct {
* datastreams when processing abbreviated JPEG datastreams.
*/
- JQUANT_TBL * quant_tbl_ptrs[NUM_QUANT_TBLS];
+ JQUANT_TBL *quant_tbl_ptrs[NUM_QUANT_TBLS];
/* ptrs to coefficient quantization tables, or NULL if not defined */
- JHUFF_TBL * dc_huff_tbl_ptrs[NUM_HUFF_TBLS];
- JHUFF_TBL * ac_huff_tbl_ptrs[NUM_HUFF_TBLS];
+ JHUFF_TBL *dc_huff_tbl_ptrs[NUM_HUFF_TBLS];
+ JHUFF_TBL *ac_huff_tbl_ptrs[NUM_HUFF_TBLS];
/* ptrs to Huffman coding tables, or NULL if not defined */
/* These parameters are never carried across datastreams, since they
* are given in SOF/SOS markers or defined to be reset by SOI.
*/
- int data_precision; /* bits of precision in image data */
+ int data_precision; /* bits of precision in image data */
- jpeg_component_info * comp_info;
+ jpeg_component_info *comp_info;
/* comp_info[i] describes component that appears i'th in SOF */
#if JPEG_LIB_VERSION >= 80
- boolean is_baseline; /* TRUE if Baseline SOF0 encountered */
+ boolean is_baseline; /* TRUE if Baseline SOF0 encountered */
#endif
- boolean progressive_mode; /* TRUE if SOFn specifies progressive mode */
- boolean arith_code; /* TRUE=arithmetic coding, FALSE=Huffman */
+ boolean progressive_mode; /* TRUE if SOFn specifies progressive mode */
+ boolean arith_code; /* TRUE=arithmetic coding, FALSE=Huffman */
UINT8 arith_dc_L[NUM_ARITH_TBLS]; /* L values for DC arith-coding tables */
UINT8 arith_dc_U[NUM_ARITH_TBLS]; /* U values for DC arith-coding tables */
@@ -617,17 +615,17 @@ struct jpeg_decompress_struct {
/* These fields record data obtained from optional markers recognized by
* the JPEG library.
*/
- boolean saw_JFIF_marker; /* TRUE iff a JFIF APP0 marker was found */
+ boolean saw_JFIF_marker; /* TRUE iff a JFIF APP0 marker was found */
/* Data copied from JFIF marker; only valid if saw_JFIF_marker is TRUE: */
- UINT8 JFIF_major_version; /* JFIF version number */
+ UINT8 JFIF_major_version; /* JFIF version number */
UINT8 JFIF_minor_version;
- UINT8 density_unit; /* JFIF code for pixel size units */
- UINT16 X_density; /* Horizontal pixel density */
- UINT16 Y_density; /* Vertical pixel density */
- boolean saw_Adobe_marker; /* TRUE iff an Adobe APP14 marker was found */
- UINT8 Adobe_transform; /* Color transform code from Adobe marker */
+ UINT8 density_unit; /* JFIF code for pixel size units */
+ UINT16 X_density; /* Horizontal pixel density */
+ UINT16 Y_density; /* Vertical pixel density */
+ boolean saw_Adobe_marker; /* TRUE iff an Adobe APP14 marker was found */
+ UINT8 Adobe_transform; /* Color transform code from Adobe marker */
- boolean CCIR601_sampling; /* TRUE=first samples are cosited */
+ boolean CCIR601_sampling; /* TRUE=first samples are cosited */
/* Aside from the specific data retained from APPn markers known to the
* library, the uninterpreted contents of any or all APPn and COM markers
@@ -642,17 +640,17 @@ struct jpeg_decompress_struct {
/*
* These fields are computed during decompression startup
*/
- int max_h_samp_factor; /* largest h_samp_factor */
- int max_v_samp_factor; /* largest v_samp_factor */
+ int max_h_samp_factor; /* largest h_samp_factor */
+ int max_v_samp_factor; /* largest v_samp_factor */
#if JPEG_LIB_VERSION >= 70
- int min_DCT_h_scaled_size; /* smallest DCT_h_scaled_size of any component */
- int min_DCT_v_scaled_size; /* smallest DCT_v_scaled_size of any component */
+ int min_DCT_h_scaled_size; /* smallest DCT_h_scaled_size of any component */
+ int min_DCT_v_scaled_size; /* smallest DCT_v_scaled_size of any component */
#else
- int min_DCT_scaled_size; /* smallest DCT_scaled_size of any component */
+ int min_DCT_scaled_size; /* smallest DCT_scaled_size of any component */
#endif
- JDIMENSION total_iMCU_rows; /* # of iMCU rows in image */
+ JDIMENSION total_iMCU_rows; /* # of iMCU rows in image */
/* The coefficient controller's input and output progress is measured in
* units of "iMCU" (interleaved MCU) rows. These are the same as MCU rows
* in fully interleaved JPEG scans, but are used whether the scan is
@@ -661,33 +659,33 @@ struct jpeg_decompress_struct {
* v_samp_factor*DCT_[v_]scaled_size sample rows of a component per iMCU row.
*/
- JSAMPLE * sample_range_limit; /* table for fast range-limiting */
+ JSAMPLE *sample_range_limit; /* table for fast range-limiting */
/*
* These fields are valid during any one scan.
* They describe the components and MCUs actually appearing in the scan.
* Note that the decompressor output side must not use these fields.
*/
- int comps_in_scan; /* # of JPEG components in this scan */
- jpeg_component_info * cur_comp_info[MAX_COMPS_IN_SCAN];
+ int comps_in_scan; /* # of JPEG components in this scan */
+ jpeg_component_info *cur_comp_info[MAX_COMPS_IN_SCAN];
/* *cur_comp_info[i] describes component that appears i'th in SOS */
- JDIMENSION MCUs_per_row; /* # of MCUs across the image */
- JDIMENSION MCU_rows_in_scan; /* # of MCU rows in the image */
+ JDIMENSION MCUs_per_row; /* # of MCUs across the image */
+ JDIMENSION MCU_rows_in_scan; /* # of MCU rows in the image */
- int blocks_in_MCU; /* # of DCT blocks per MCU */
+ int blocks_in_MCU; /* # of DCT blocks per MCU */
int MCU_membership[D_MAX_BLOCKS_IN_MCU];
/* MCU_membership[i] is index in cur_comp_info of component owning */
/* i'th block in an MCU */
- int Ss, Se, Ah, Al; /* progressive JPEG parameters for scan */
+ int Ss, Se, Ah, Al; /* progressive JPEG parameters for scan */
#if JPEG_LIB_VERSION >= 80
/* These fields are derived from Se of first SOS marker.
*/
- int block_size; /* the basic DCT block size: 1..16 */
- const int * natural_order; /* natural-order position array for entropy decode */
- int lim_Se; /* min( Se, DCTSIZE2-1 ) for entropy decode */
+ int block_size; /* the basic DCT block size: 1..16 */
+ const int *natural_order; /* natural-order position array for entropy decode */
+ int lim_Se; /* min( Se, DCTSIZE2-1 ) for entropy decode */
#endif
/* This field is shared between entropy decoder and marker parser.
@@ -699,17 +697,17 @@ struct jpeg_decompress_struct {
/*
* Links to decompression subobjects (methods, private variables of modules)
*/
- struct jpeg_decomp_master * master;
- struct jpeg_d_main_controller * main;
- struct jpeg_d_coef_controller * coef;
- struct jpeg_d_post_controller * post;
- struct jpeg_input_controller * inputctl;
- struct jpeg_marker_reader * marker;
- struct jpeg_entropy_decoder * entropy;
- struct jpeg_inverse_dct * idct;
- struct jpeg_upsampler * upsample;
- struct jpeg_color_deconverter * cconvert;
- struct jpeg_color_quantizer * cquantize;
+ struct jpeg_decomp_master *master;
+ struct jpeg_d_main_controller *main;
+ struct jpeg_d_coef_controller *coef;
+ struct jpeg_d_post_controller *post;
+ struct jpeg_input_controller *inputctl;
+ struct jpeg_marker_reader *marker;
+ struct jpeg_entropy_decoder *entropy;
+ struct jpeg_inverse_dct *idct;
+ struct jpeg_upsampler *upsample;
+ struct jpeg_color_deconverter *cconvert;
+ struct jpeg_color_quantizer *cquantize;
};
@@ -725,17 +723,17 @@ struct jpeg_decompress_struct {
struct jpeg_error_mgr {
/* Error exit handler: does not return to caller */
- JMETHOD(void, error_exit, (j_common_ptr cinfo));
+ void (*error_exit) (j_common_ptr cinfo);
/* Conditionally emit a trace or warning message */
- JMETHOD(void, emit_message, (j_common_ptr cinfo, int msg_level));
+ void (*emit_message) (j_common_ptr cinfo, int msg_level);
/* Routine that actually outputs a trace or error message */
- JMETHOD(void, output_message, (j_common_ptr cinfo));
+ void (*output_message) (j_common_ptr cinfo);
/* Format a message string for the most recent JPEG error or message */
- JMETHOD(void, format_message, (j_common_ptr cinfo, char * buffer));
-#define JMSG_LENGTH_MAX 200 /* recommended size of format_message buffer */
+ void (*format_message) (j_common_ptr cinfo, char *buffer);
+#define JMSG_LENGTH_MAX 200 /* recommended size of format_message buffer */
/* Reset error state variables at start of a new image */
- JMETHOD(void, reset_error_mgr, (j_common_ptr cinfo));
-
+ void (*reset_error_mgr) (j_common_ptr cinfo);
+
/* The message ID code and any parameters are saved here.
* A message can have one string parameter or up to 8 int parameters.
*/
@@ -745,18 +743,18 @@ struct jpeg_error_mgr {
int i[8];
char s[JMSG_STR_PARM_MAX];
} msg_parm;
-
+
/* Standard state variables for error facility */
-
- int trace_level; /* max msg_level that will be displayed */
-
+
+ int trace_level; /* max msg_level that will be displayed */
+
/* For recoverable corrupt-data errors, we emit a warning message,
* but keep going unless emit_message chooses to abort. emit_message
* should count warnings in num_warnings. The surrounding application
* can check for bad data by seeing if num_warnings is nonzero at the
* end of processing.
*/
- long num_warnings; /* number of corrupt-data warnings */
+ long num_warnings; /* number of corrupt-data warnings */
/* These fields point to the table(s) of error message strings.
* An application can change the table pointer to switch to a different
@@ -768,52 +766,52 @@ struct jpeg_error_mgr {
* First table includes all errors generated by JPEG library itself.
* Error code 0 is reserved for a "no such error string" message.
*/
- const char * const * jpeg_message_table; /* Library errors */
+ const char * const *jpeg_message_table; /* Library errors */
int last_jpeg_message; /* Table contains strings 0..last_jpeg_message */
/* Second table can be added by application (see cjpeg/djpeg for example).
* It contains strings numbered first_addon_message..last_addon_message.
*/
- const char * const * addon_message_table; /* Non-library errors */
- int first_addon_message; /* code for first string in addon table */
- int last_addon_message; /* code for last string in addon table */
+ const char * const *addon_message_table; /* Non-library errors */
+ int first_addon_message; /* code for first string in addon table */
+ int last_addon_message; /* code for last string in addon table */
};
/* Progress monitor object */
struct jpeg_progress_mgr {
- JMETHOD(void, progress_monitor, (j_common_ptr cinfo));
+ void (*progress_monitor) (j_common_ptr cinfo);
- long pass_counter; /* work units completed in this pass */
- long pass_limit; /* total number of work units in this pass */
- int completed_passes; /* passes completed so far */
- int total_passes; /* total number of passes expected */
+ long pass_counter; /* work units completed in this pass */
+ long pass_limit; /* total number of work units in this pass */
+ int completed_passes; /* passes completed so far */
+ int total_passes; /* total number of passes expected */
};
/* Data destination object for compression */
struct jpeg_destination_mgr {
- JOCTET * next_output_byte; /* => next byte to write in buffer */
- size_t free_in_buffer; /* # of byte spaces remaining in buffer */
+ JOCTET *next_output_byte; /* => next byte to write in buffer */
+ size_t free_in_buffer; /* # of byte spaces remaining in buffer */
- JMETHOD(void, init_destination, (j_compress_ptr cinfo));
- JMETHOD(boolean, empty_output_buffer, (j_compress_ptr cinfo));
- JMETHOD(void, term_destination, (j_compress_ptr cinfo));
+ void (*init_destination) (j_compress_ptr cinfo);
+ boolean (*empty_output_buffer) (j_compress_ptr cinfo);
+ void (*term_destination) (j_compress_ptr cinfo);
};
/* Data source object for decompression */
struct jpeg_source_mgr {
- const JOCTET * next_input_byte; /* => next byte to read from buffer */
- size_t bytes_in_buffer; /* # of bytes remaining in buffer */
-
- JMETHOD(void, init_source, (j_decompress_ptr cinfo));
- JMETHOD(boolean, fill_input_buffer, (j_decompress_ptr cinfo));
- JMETHOD(void, skip_input_data, (j_decompress_ptr cinfo, long num_bytes));
- JMETHOD(boolean, resync_to_restart, (j_decompress_ptr cinfo, int desired));
- JMETHOD(void, term_source, (j_decompress_ptr cinfo));
+ const JOCTET *next_input_byte; /* => next byte to read from buffer */
+ size_t bytes_in_buffer; /* # of bytes remaining in buffer */
+
+ void (*init_source) (j_decompress_ptr cinfo);
+ boolean (*fill_input_buffer) (j_decompress_ptr cinfo);
+ void (*skip_input_data) (j_decompress_ptr cinfo, long num_bytes);
+ boolean (*resync_to_restart) (j_decompress_ptr cinfo, int desired);
+ void (*term_source) (j_decompress_ptr cinfo);
};
@@ -828,51 +826,42 @@ struct jpeg_source_mgr {
* successful.
*/
-#define JPOOL_PERMANENT 0 /* lasts until master record is destroyed */
-#define JPOOL_IMAGE 1 /* lasts until done with image/datastream */
-#define JPOOL_NUMPOOLS 2
+#define JPOOL_PERMANENT 0 /* lasts until master record is destroyed */
+#define JPOOL_IMAGE 1 /* lasts until done with image/datastream */
+#define JPOOL_NUMPOOLS 2
-typedef struct jvirt_sarray_control * jvirt_sarray_ptr;
-typedef struct jvirt_barray_control * jvirt_barray_ptr;
+typedef struct jvirt_sarray_control *jvirt_sarray_ptr;
+typedef struct jvirt_barray_control *jvirt_barray_ptr;
struct jpeg_memory_mgr {
/* Method pointers */
- JMETHOD(void *, alloc_small, (j_common_ptr cinfo, int pool_id,
- size_t sizeofobject));
- JMETHOD(void FAR *, alloc_large, (j_common_ptr cinfo, int pool_id,
- size_t sizeofobject));
- JMETHOD(JSAMPARRAY, alloc_sarray, (j_common_ptr cinfo, int pool_id,
- JDIMENSION samplesperrow,
- JDIMENSION numrows));
- JMETHOD(JBLOCKARRAY, alloc_barray, (j_common_ptr cinfo, int pool_id,
- JDIMENSION blocksperrow,
- JDIMENSION numrows));
- JMETHOD(jvirt_sarray_ptr, request_virt_sarray, (j_common_ptr cinfo,
- int pool_id,
- boolean pre_zero,
- JDIMENSION samplesperrow,
- JDIMENSION numrows,
- JDIMENSION maxaccess));
- JMETHOD(jvirt_barray_ptr, request_virt_barray, (j_common_ptr cinfo,
- int pool_id,
- boolean pre_zero,
- JDIMENSION blocksperrow,
- JDIMENSION numrows,
- JDIMENSION maxaccess));
- JMETHOD(void, realize_virt_arrays, (j_common_ptr cinfo));
- JMETHOD(JSAMPARRAY, access_virt_sarray, (j_common_ptr cinfo,
- jvirt_sarray_ptr ptr,
- JDIMENSION start_row,
- JDIMENSION num_rows,
- boolean writable));
- JMETHOD(JBLOCKARRAY, access_virt_barray, (j_common_ptr cinfo,
- jvirt_barray_ptr ptr,
- JDIMENSION start_row,
- JDIMENSION num_rows,
- boolean writable));
- JMETHOD(void, free_pool, (j_common_ptr cinfo, int pool_id));
- JMETHOD(void, self_destruct, (j_common_ptr cinfo));
+ void *(*alloc_small) (j_common_ptr cinfo, int pool_id, size_t sizeofobject);
+ void *(*alloc_large) (j_common_ptr cinfo, int pool_id,
+ size_t sizeofobject);
+ JSAMPARRAY (*alloc_sarray) (j_common_ptr cinfo, int pool_id,
+ JDIMENSION samplesperrow, JDIMENSION numrows);
+ JBLOCKARRAY (*alloc_barray) (j_common_ptr cinfo, int pool_id,
+ JDIMENSION blocksperrow, JDIMENSION numrows);
+ jvirt_sarray_ptr (*request_virt_sarray) (j_common_ptr cinfo, int pool_id,
+ boolean pre_zero,
+ JDIMENSION samplesperrow,
+ JDIMENSION numrows,
+ JDIMENSION maxaccess);
+ jvirt_barray_ptr (*request_virt_barray) (j_common_ptr cinfo, int pool_id,
+ boolean pre_zero,
+ JDIMENSION blocksperrow,
+ JDIMENSION numrows,
+ JDIMENSION maxaccess);
+ void (*realize_virt_arrays) (j_common_ptr cinfo);
+ JSAMPARRAY (*access_virt_sarray) (j_common_ptr cinfo, jvirt_sarray_ptr ptr,
+ JDIMENSION start_row, JDIMENSION num_rows,
+ boolean writable);
+ JBLOCKARRAY (*access_virt_barray) (j_common_ptr cinfo, jvirt_barray_ptr ptr,
+ JDIMENSION start_row, JDIMENSION num_rows,
+ boolean writable);
+ void (*free_pool) (j_common_ptr cinfo, int pool_id);
+ void (*self_destruct) (j_common_ptr cinfo);
/* Limit on memory allocation for this JPEG object. (Note that this is
* merely advisory, not a guaranteed maximum; it only affects the space
@@ -889,96 +878,21 @@ struct jpeg_memory_mgr {
/* Routine signature for application-supplied marker processing methods.
* Need not pass marker code since it is stored in cinfo->unread_marker.
*/
-typedef JMETHOD(boolean, jpeg_marker_parser_method, (j_decompress_ptr cinfo));
+typedef boolean (*jpeg_marker_parser_method) (j_decompress_ptr cinfo);
-/* Declarations for routines called by application.
- * The JPP macro hides prototype parameters from compilers that can't cope.
- * Note JPP requires double parentheses.
+/* Originally, this macro was used as a way of defining function prototypes
+ * for both modern compilers as well as older compilers that did not support
+ * prototype parameters. libjpeg-turbo has never supported these older,
+ * non-ANSI compilers, but the macro is still included because there is some
+ * software out there that uses it.
*/
-#ifdef HAVE_PROTOTYPES
-#define JPP(arglist) arglist
-#else
-#define JPP(arglist) ()
-#endif
-
-
-/* Short forms of external names for systems with brain-damaged linkers.
- * We shorten external names to be unique in the first six letters, which
- * is good enough for all known systems.
- * (If your compiler itself needs names to be unique in less than 15
- * characters, you are out of luck. Get a better compiler.)
- */
-
-#ifdef NEED_SHORT_EXTERNAL_NAMES
-#define jpeg_std_error jStdError
-#define jpeg_CreateCompress jCreaCompress
-#define jpeg_CreateDecompress jCreaDecompress
-#define jpeg_destroy_compress jDestCompress
-#define jpeg_destroy_decompress jDestDecompress
-#define jpeg_stdio_dest jStdDest
-#define jpeg_stdio_src jStdSrc
-#if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
-#define jpeg_mem_dest jMemDest
-#define jpeg_mem_src jMemSrc
-#endif
-#define jpeg_set_defaults jSetDefaults
-#define jpeg_set_colorspace jSetColorspace
-#define jpeg_default_colorspace jDefColorspace
-#define jpeg_set_quality jSetQuality
-#define jpeg_set_linear_quality jSetLQuality
-#if JPEG_LIB_VERSION >= 70
-#define jpeg_default_qtables jDefQTables
-#endif
-#define jpeg_add_quant_table jAddQuantTable
-#define jpeg_quality_scaling jQualityScaling
-#define jpeg_simple_progression jSimProgress
-#define jpeg_suppress_tables jSuppressTables
-#define jpeg_alloc_quant_table jAlcQTable
-#define jpeg_alloc_huff_table jAlcHTable
-#define jpeg_start_compress jStrtCompress
-#define jpeg_write_scanlines jWrtScanlines
-#define jpeg_finish_compress jFinCompress
-#if JPEG_LIB_VERSION >= 70
-#define jpeg_calc_jpeg_dimensions jCjpegDimensions
-#endif
-#define jpeg_write_raw_data jWrtRawData
-#define jpeg_write_marker jWrtMarker
-#define jpeg_write_m_header jWrtMHeader
-#define jpeg_write_m_byte jWrtMByte
-#define jpeg_write_tables jWrtTables
-#define jpeg_read_header jReadHeader
-#define jpeg_start_decompress jStrtDecompress
-#define jpeg_read_scanlines jReadScanlines
-#define jpeg_finish_decompress jFinDecompress
-#define jpeg_read_raw_data jReadRawData
-#define jpeg_has_multiple_scans jHasMultScn
-#define jpeg_start_output jStrtOutput
-#define jpeg_finish_output jFinOutput
-#define jpeg_input_complete jInComplete
-#define jpeg_new_colormap jNewCMap
-#define jpeg_consume_input jConsumeInput
-#if JPEG_LIB_VERSION >= 80
-#define jpeg_core_output_dimensions jCoreDimensions
-#endif
-#define jpeg_calc_output_dimensions jCalcDimensions
-#define jpeg_save_markers jSaveMarkers
-#define jpeg_set_marker_processor jSetMarker
-#define jpeg_read_coefficients jReadCoefs
-#define jpeg_write_coefficients jWrtCoefs
-#define jpeg_copy_critical_parameters jCopyCrit
-#define jpeg_abort_compress jAbrtCompress
-#define jpeg_abort_decompress jAbrtDecompress
-#define jpeg_abort jAbort
-#define jpeg_destroy jDestroy
-#define jpeg_resync_to_restart jResyncRestart
-#endif /* NEED_SHORT_EXTERNAL_NAMES */
+#define JPP(arglist) arglist
/* Default error-management setup */
-EXTERN(struct jpeg_error_mgr *) jpeg_std_error
- JPP((struct jpeg_error_mgr * err));
+EXTERN(struct jpeg_error_mgr *) jpeg_std_error (struct jpeg_error_mgr *err);
/* Initialization of JPEG compression objects.
* jpeg_create_compress() and jpeg_create_decompress() are the exported
@@ -989,97 +903,89 @@ EXTERN(struct jpeg_error_mgr *) jpeg_std_error
*/
#define jpeg_create_compress(cinfo) \
jpeg_CreateCompress((cinfo), JPEG_LIB_VERSION, \
- (size_t) sizeof(struct jpeg_compress_struct))
+ (size_t) sizeof(struct jpeg_compress_struct))
#define jpeg_create_decompress(cinfo) \
jpeg_CreateDecompress((cinfo), JPEG_LIB_VERSION, \
- (size_t) sizeof(struct jpeg_decompress_struct))
-EXTERN(void) jpeg_CreateCompress JPP((j_compress_ptr cinfo,
- int version, size_t structsize));
-EXTERN(void) jpeg_CreateDecompress JPP((j_decompress_ptr cinfo,
- int version, size_t structsize));
+ (size_t) sizeof(struct jpeg_decompress_struct))
+EXTERN(void) jpeg_CreateCompress (j_compress_ptr cinfo, int version,
+ size_t structsize);
+EXTERN(void) jpeg_CreateDecompress (j_decompress_ptr cinfo, int version,
+ size_t structsize);
/* Destruction of JPEG compression objects */
-EXTERN(void) jpeg_destroy_compress JPP((j_compress_ptr cinfo));
-EXTERN(void) jpeg_destroy_decompress JPP((j_decompress_ptr cinfo));
+EXTERN(void) jpeg_destroy_compress (j_compress_ptr cinfo);
+EXTERN(void) jpeg_destroy_decompress (j_decompress_ptr cinfo);
/* Standard data source and destination managers: stdio streams. */
/* Caller is responsible for opening the file before and closing after. */
-EXTERN(void) jpeg_stdio_dest JPP((j_compress_ptr cinfo, FILE * outfile));
-EXTERN(void) jpeg_stdio_src JPP((j_decompress_ptr cinfo, FILE * infile));
+EXTERN(void) jpeg_stdio_dest (j_compress_ptr cinfo, FILE *outfile);
+EXTERN(void) jpeg_stdio_src (j_decompress_ptr cinfo, FILE *infile);
#if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
/* Data source and destination managers: memory buffers. */
-EXTERN(void) jpeg_mem_dest JPP((j_compress_ptr cinfo,
- unsigned char ** outbuffer,
- unsigned long * outsize));
-EXTERN(void) jpeg_mem_src JPP((j_decompress_ptr cinfo,
- unsigned char * inbuffer,
- unsigned long insize));
+EXTERN(void) jpeg_mem_dest (j_compress_ptr cinfo, unsigned char **outbuffer,
+ unsigned long *outsize);
+EXTERN(void) jpeg_mem_src (j_decompress_ptr cinfo,
+ const unsigned char *inbuffer,
+ unsigned long insize);
#endif
/* Default parameter setup for compression */
-EXTERN(void) jpeg_set_defaults JPP((j_compress_ptr cinfo));
+EXTERN(void) jpeg_set_defaults (j_compress_ptr cinfo);
/* Compression parameter setup aids */
-EXTERN(void) jpeg_set_colorspace JPP((j_compress_ptr cinfo,
- J_COLOR_SPACE colorspace));
-EXTERN(void) jpeg_default_colorspace JPP((j_compress_ptr cinfo));
-EXTERN(void) jpeg_set_quality JPP((j_compress_ptr cinfo, int quality,
- boolean force_baseline));
-EXTERN(void) jpeg_set_linear_quality JPP((j_compress_ptr cinfo,
- int scale_factor,
- boolean force_baseline));
+EXTERN(void) jpeg_set_colorspace (j_compress_ptr cinfo,
+ J_COLOR_SPACE colorspace);
+EXTERN(void) jpeg_default_colorspace (j_compress_ptr cinfo);
+EXTERN(void) jpeg_set_quality (j_compress_ptr cinfo, int quality,
+ boolean force_baseline);
+EXTERN(void) jpeg_set_linear_quality (j_compress_ptr cinfo, int scale_factor,
+ boolean force_baseline);
#if JPEG_LIB_VERSION >= 70
-EXTERN(void) jpeg_default_qtables JPP((j_compress_ptr cinfo,
- boolean force_baseline));
+EXTERN(void) jpeg_default_qtables (j_compress_ptr cinfo,
+ boolean force_baseline);
#endif
-EXTERN(void) jpeg_add_quant_table JPP((j_compress_ptr cinfo, int which_tbl,
- const unsigned int *basic_table,
- int scale_factor,
- boolean force_baseline));
-EXTERN(int) jpeg_quality_scaling JPP((int quality));
-EXTERN(void) jpeg_simple_progression JPP((j_compress_ptr cinfo));
-EXTERN(void) jpeg_suppress_tables JPP((j_compress_ptr cinfo,
- boolean suppress));
-EXTERN(JQUANT_TBL *) jpeg_alloc_quant_table JPP((j_common_ptr cinfo));
-EXTERN(JHUFF_TBL *) jpeg_alloc_huff_table JPP((j_common_ptr cinfo));
+EXTERN(void) jpeg_add_quant_table (j_compress_ptr cinfo, int which_tbl,
+ const unsigned int *basic_table,
+ int scale_factor, boolean force_baseline);
+EXTERN(int) jpeg_quality_scaling (int quality);
+EXTERN(void) jpeg_simple_progression (j_compress_ptr cinfo);
+EXTERN(void) jpeg_suppress_tables (j_compress_ptr cinfo, boolean suppress);
+EXTERN(JQUANT_TBL *) jpeg_alloc_quant_table (j_common_ptr cinfo);
+EXTERN(JHUFF_TBL *) jpeg_alloc_huff_table (j_common_ptr cinfo);
/* Main entry points for compression */
-EXTERN(void) jpeg_start_compress JPP((j_compress_ptr cinfo,
- boolean write_all_tables));
-EXTERN(JDIMENSION) jpeg_write_scanlines JPP((j_compress_ptr cinfo,
- JSAMPARRAY scanlines,
- JDIMENSION num_lines));
-EXTERN(void) jpeg_finish_compress JPP((j_compress_ptr cinfo));
+EXTERN(void) jpeg_start_compress (j_compress_ptr cinfo,
+ boolean write_all_tables);
+EXTERN(JDIMENSION) jpeg_write_scanlines (j_compress_ptr cinfo,
+ JSAMPARRAY scanlines,
+ JDIMENSION num_lines);
+EXTERN(void) jpeg_finish_compress (j_compress_ptr cinfo);
#if JPEG_LIB_VERSION >= 70
/* Precalculate JPEG dimensions for current compression parameters. */
-EXTERN(void) jpeg_calc_jpeg_dimensions JPP((j_compress_ptr cinfo));
+EXTERN(void) jpeg_calc_jpeg_dimensions (j_compress_ptr cinfo);
#endif
/* Replaces jpeg_write_scanlines when writing raw downsampled data. */
-EXTERN(JDIMENSION) jpeg_write_raw_data JPP((j_compress_ptr cinfo,
- JSAMPIMAGE data,
- JDIMENSION num_lines));
+EXTERN(JDIMENSION) jpeg_write_raw_data (j_compress_ptr cinfo, JSAMPIMAGE data,
+ JDIMENSION num_lines);
/* Write a special marker. See libjpeg.txt concerning safe usage. */
-EXTERN(void) jpeg_write_marker
- JPP((j_compress_ptr cinfo, int marker,
- const JOCTET * dataptr, unsigned int datalen));
+EXTERN(void) jpeg_write_marker (j_compress_ptr cinfo, int marker,
+ const JOCTET *dataptr, unsigned int datalen);
/* Same, but piecemeal. */
-EXTERN(void) jpeg_write_m_header
- JPP((j_compress_ptr cinfo, int marker, unsigned int datalen));
-EXTERN(void) jpeg_write_m_byte
- JPP((j_compress_ptr cinfo, int val));
+EXTERN(void) jpeg_write_m_header (j_compress_ptr cinfo, int marker,
+ unsigned int datalen);
+EXTERN(void) jpeg_write_m_byte (j_compress_ptr cinfo, int val);
/* Alternate compression function: just write an abbreviated table file */
-EXTERN(void) jpeg_write_tables JPP((j_compress_ptr cinfo));
+EXTERN(void) jpeg_write_tables (j_compress_ptr cinfo);
/* Decompression startup: read start of JPEG datastream to see what's there */
-EXTERN(int) jpeg_read_header JPP((j_decompress_ptr cinfo,
- boolean require_image));
+EXTERN(int) jpeg_read_header (j_decompress_ptr cinfo, boolean require_image);
/* Return value is one of: */
-#define JPEG_SUSPENDED 0 /* Suspended due to lack of input data */
-#define JPEG_HEADER_OK 1 /* Found valid image datastream */
-#define JPEG_HEADER_TABLES_ONLY 2 /* Found valid table-specs-only datastream */
+#define JPEG_SUSPENDED 0 /* Suspended due to lack of input data */
+#define JPEG_HEADER_OK 1 /* Found valid image datastream */
+#define JPEG_HEADER_TABLES_ONLY 2 /* Found valid table-specs-only datastream */
/* If you pass require_image = TRUE (normal case), you need not check for
* a TABLES_ONLY return code; an abbreviated file will cause an error exit.
* JPEG_SUSPENDED is only possible if you use a data source module that can
@@ -1087,56 +993,55 @@ EXTERN(int) jpeg_read_header JPP((j_decompress_ptr cinfo,
*/
/* Main entry points for decompression */
-EXTERN(boolean) jpeg_start_decompress JPP((j_decompress_ptr cinfo));
-EXTERN(JDIMENSION) jpeg_read_scanlines JPP((j_decompress_ptr cinfo,
- JSAMPARRAY scanlines,
- JDIMENSION max_lines));
+EXTERN(boolean) jpeg_start_decompress (j_decompress_ptr cinfo);
+EXTERN(JDIMENSION) jpeg_read_scanlines (j_decompress_ptr cinfo,
+ JSAMPARRAY scanlines,
+ JDIMENSION max_lines);
EXTERN(JDIMENSION) jpeg_skip_scanlines (j_decompress_ptr cinfo,
JDIMENSION num_lines);
-EXTERN(boolean) jpeg_finish_decompress JPP((j_decompress_ptr cinfo));
+EXTERN(void) jpeg_crop_scanline (j_decompress_ptr cinfo, JDIMENSION *xoffset,
+ JDIMENSION *width);
+EXTERN(boolean) jpeg_finish_decompress (j_decompress_ptr cinfo);
/* Replaces jpeg_read_scanlines when reading raw downsampled data. */
-EXTERN(JDIMENSION) jpeg_read_raw_data JPP((j_decompress_ptr cinfo,
- JSAMPIMAGE data,
- JDIMENSION max_lines));
+EXTERN(JDIMENSION) jpeg_read_raw_data (j_decompress_ptr cinfo, JSAMPIMAGE data,
+ JDIMENSION max_lines);
/* Additional entry points for buffered-image mode. */
-EXTERN(boolean) jpeg_has_multiple_scans JPP((j_decompress_ptr cinfo));
-EXTERN(boolean) jpeg_start_output JPP((j_decompress_ptr cinfo,
- int scan_number));
-EXTERN(boolean) jpeg_finish_output JPP((j_decompress_ptr cinfo));
-EXTERN(boolean) jpeg_input_complete JPP((j_decompress_ptr cinfo));
-EXTERN(void) jpeg_new_colormap JPP((j_decompress_ptr cinfo));
-EXTERN(int) jpeg_consume_input JPP((j_decompress_ptr cinfo));
+EXTERN(boolean) jpeg_has_multiple_scans (j_decompress_ptr cinfo);
+EXTERN(boolean) jpeg_start_output (j_decompress_ptr cinfo, int scan_number);
+EXTERN(boolean) jpeg_finish_output (j_decompress_ptr cinfo);
+EXTERN(boolean) jpeg_input_complete (j_decompress_ptr cinfo);
+EXTERN(void) jpeg_new_colormap (j_decompress_ptr cinfo);
+EXTERN(int) jpeg_consume_input (j_decompress_ptr cinfo);
/* Return value is one of: */
-/* #define JPEG_SUSPENDED 0 Suspended due to lack of input data */
-#define JPEG_REACHED_SOS 1 /* Reached start of new scan */
-#define JPEG_REACHED_EOI 2 /* Reached end of image */
-#define JPEG_ROW_COMPLETED 3 /* Completed one iMCU row */
-#define JPEG_SCAN_COMPLETED 4 /* Completed last iMCU row of a scan */
+/* #define JPEG_SUSPENDED 0 Suspended due to lack of input data */
+#define JPEG_REACHED_SOS 1 /* Reached start of new scan */
+#define JPEG_REACHED_EOI 2 /* Reached end of image */
+#define JPEG_ROW_COMPLETED 3 /* Completed one iMCU row */
+#define JPEG_SCAN_COMPLETED 4 /* Completed last iMCU row of a scan */
/* Precalculate output dimensions for current decompression parameters. */
#if JPEG_LIB_VERSION >= 80
-EXTERN(void) jpeg_core_output_dimensions JPP((j_decompress_ptr cinfo));
+EXTERN(void) jpeg_core_output_dimensions (j_decompress_ptr cinfo);
#endif
-EXTERN(void) jpeg_calc_output_dimensions JPP((j_decompress_ptr cinfo));
+EXTERN(void) jpeg_calc_output_dimensions (j_decompress_ptr cinfo);
/* Control saving of COM and APPn markers into marker_list. */
-EXTERN(void) jpeg_save_markers
- JPP((j_decompress_ptr cinfo, int marker_code,
- unsigned int length_limit));
+EXTERN(void) jpeg_save_markers (j_decompress_ptr cinfo, int marker_code,
+ unsigned int length_limit);
/* Install a special processing method for COM or APPn markers. */
-EXTERN(void) jpeg_set_marker_processor
- JPP((j_decompress_ptr cinfo, int marker_code,
- jpeg_marker_parser_method routine));
+EXTERN(void) jpeg_set_marker_processor (j_decompress_ptr cinfo,
+ int marker_code,
+ jpeg_marker_parser_method routine);
/* Read or write raw DCT coefficients --- useful for lossless transcoding. */
-EXTERN(jvirt_barray_ptr *) jpeg_read_coefficients JPP((j_decompress_ptr cinfo));
-EXTERN(void) jpeg_write_coefficients JPP((j_compress_ptr cinfo,
- jvirt_barray_ptr * coef_arrays));
-EXTERN(void) jpeg_copy_critical_parameters JPP((j_decompress_ptr srcinfo,
- j_compress_ptr dstinfo));
+EXTERN(jvirt_barray_ptr *) jpeg_read_coefficients (j_decompress_ptr cinfo);
+EXTERN(void) jpeg_write_coefficients (j_compress_ptr cinfo,
+ jvirt_barray_ptr *coef_arrays);
+EXTERN(void) jpeg_copy_critical_parameters (j_decompress_ptr srcinfo,
+ j_compress_ptr dstinfo);
/* If you choose to abort compression or decompression before completing
* jpeg_finish_(de)compress, then you need to clean up to release memory,
@@ -1144,28 +1049,27 @@ EXTERN(void) jpeg_copy_critical_parameters JPP((j_decompress_ptr srcinfo,
* if you're done with the JPEG object, but if you want to clean it up and
* reuse it, call this:
*/
-EXTERN(void) jpeg_abort_compress JPP((j_compress_ptr cinfo));
-EXTERN(void) jpeg_abort_decompress JPP((j_decompress_ptr cinfo));
+EXTERN(void) jpeg_abort_compress (j_compress_ptr cinfo);
+EXTERN(void) jpeg_abort_decompress (j_decompress_ptr cinfo);
/* Generic versions of jpeg_abort and jpeg_destroy that work on either
* flavor of JPEG object. These may be more convenient in some places.
*/
-EXTERN(void) jpeg_abort JPP((j_common_ptr cinfo));
-EXTERN(void) jpeg_destroy JPP((j_common_ptr cinfo));
+EXTERN(void) jpeg_abort (j_common_ptr cinfo);
+EXTERN(void) jpeg_destroy (j_common_ptr cinfo);
/* Default restart-marker-resync procedure for use by data source modules */
-EXTERN(boolean) jpeg_resync_to_restart JPP((j_decompress_ptr cinfo,
- int desired));
+EXTERN(boolean) jpeg_resync_to_restart (j_decompress_ptr cinfo, int desired);
/* These marker codes are exported since applications and data source modules
* are likely to want to use them.
*/
-#define JPEG_RST0 0xD0 /* RST0 marker code */
-#define JPEG_EOI 0xD9 /* EOI marker code */
-#define JPEG_APP0 0xE0 /* APP0 marker code */
-#define JPEG_COM 0xFE /* COM marker code */
+#define JPEG_RST0 0xD0 /* RST0 marker code */
+#define JPEG_EOI 0xD9 /* EOI marker code */
+#define JPEG_APP0 0xE0 /* APP0 marker code */
+#define JPEG_COM 0xFE /* COM marker code */
/* If we have a brain-damaged compiler that emits warnings (or worse, errors)
@@ -1174,7 +1078,7 @@ EXTERN(boolean) jpeg_resync_to_restart JPP((j_decompress_ptr cinfo,
*/
#ifdef INCOMPLETE_TYPES_BROKEN
-#ifndef JPEG_INTERNALS /* will be defined in jpegint.h */
+#ifndef JPEG_INTERNALS /* will be defined in jpegint.h */
struct jvirt_sarray_control { long dummy; };
struct jvirt_barray_control { long dummy; };
struct jpeg_comp_master { long dummy; };
@@ -1209,8 +1113,8 @@ struct jpeg_color_quantizer { long dummy; };
*/
#ifdef JPEG_INTERNALS
-#include "jpegint.h" /* fetch private declarations */
-#include "jerror.h" /* fetch error codes too */
+#include "jpegint.h" /* fetch private declarations */
+#include "jerror.h" /* fetch error codes too */
#endif
#ifdef __cplusplus
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