--- old/modules/javafx.graphics/src/main/native-iio/libjpeg7/jpeglib.h 2018-10-01 15:30:50.396372888 +0530 +++ new/modules/javafx.graphics/src/main/native-iio/libjpeg7/jpeglib.h 2018-10-01 15:30:50.184372888 +0530 @@ -2,7 +2,7 @@ * jpeglib.h * * Copyright (C) 1991-1998, Thomas G. Lane. - * Modified 2002-2009 by Guido Vollbeding. + * Modified 2002-2017 by Guido Vollbeding. * This file is part of the Independent JPEG Group's software. * For conditions of distribution and use, see the accompanying README file. * @@ -21,10 +21,10 @@ * 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 @@ -33,25 +33,27 @@ #endif #endif -/* Version ID for the JPEG library. - * Might be useful for tests like "#if JPEG_LIB_VERSION >= 70". +/* Version IDs for the JPEG library. + * Might be useful for tests like "#if JPEG_LIB_VERSION >= 90". */ -#define JPEG_LIB_VERSION 70 /* Version 7.0 */ +#define JPEG_LIB_VERSION 90 /* Compatibility version 9.0 */ +#define JPEG_LIB_VERSION_MAJOR 9 +#define JPEG_LIB_VERSION_MINOR 3 /* Various constants determining the sizes of things. - * All of these are specified by the JPEG standard, so don't change them - * if you want to be compatible. + * All of these are specified by the JPEG standard, + * so don't change them 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 coefficients */ +#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 @@ -70,16 +72,16 @@ * 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 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 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 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 FAR *JCOEFPTR; /* useful in a couple of places */ +typedef JCOEF FAR *JCOEFPTR; /* useful in a couple of places */ /* Types for JPEG compression parameters and working tables. */ @@ -92,13 +94,13 @@ * (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; @@ -106,15 +108,15 @@ 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; @@ -124,17 +126,17 @@ /* 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. */ @@ -155,25 +157,30 @@ /* The downsampled dimensions are the component's actual, unpadded number * of samples at the main buffer (preprocessing/compression interface); * DCT scaling is included, so - * downsampled_width = ceil(image_width * Hi/Hmax * DCT_h_scaled_size/DCTSIZE) + * downsampled_width = + * ceil(image_width * Hi/Hmax * DCT_h_scaled_size/block_size) * and similarly for height. */ - 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. + /* 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. + * For compression, some of the components will need further quantization + * scale by factor of 2 after DCT (eg BG_YCC output from normal RGB input). + * The field is first set TRUE for decompression, FALSE for compression + * in initial_setup, and then adapted in color conversion setup. */ - boolean component_needed; /* do we need the value of this component? */ + boolean component_needed; /* 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_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. @@ -189,10 +196,10 @@ /* 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: */ @@ -200,65 +207,74 @@ typedef struct jpeg_marker_struct FAR * 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 FAR * data; /* the data contained in the marker */ /* the marker length word is not counted in data_length or original_length */ }; /* Known color spaces. */ typedef enum { - JCS_UNKNOWN, /* error/unspecified */ - JCS_GRAYSCALE, /* monochrome */ - JCS_RGB, /* red/green/blue */ - JCS_YCbCr, /* Y/Cb/Cr (also known as YUV) */ - JCS_CMYK, /* C/M/Y/K */ - JCS_YCCK /* Y/Cb/Cr/K */ + JCS_UNKNOWN, /* error/unspecified */ + JCS_GRAYSCALE, /* monochrome */ + JCS_RGB, /* red/green/blue, standard RGB (sRGB) */ + JCS_YCbCr, /* Y/Cb/Cr (also known as YUV), standard YCC */ + JCS_CMYK, /* C/M/Y/K */ + JCS_YCCK, /* Y/Cb/Cr/K */ + JCS_BG_RGB, /* big gamut red/green/blue, bg-sRGB */ + JCS_BG_YCC /* big gamut Y/Cb/Cr, bg-sYCC */ } J_COLOR_SPACE; +/* Supported color transforms. */ + +typedef enum { + JCT_NONE = 0, + JCT_SUBTRACT_GREEN = 1 +} J_COLOR_TRANSFORM; + /* 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_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 */ + 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++.) @@ -273,7 +289,7 @@ /* 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; @@ -283,12 +299,12 @@ * 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 @@ -300,8 +316,8 @@ 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(). @@ -309,9 +325,9 @@ * in advance of calling jpeg_start_compress(). */ - 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; @@ -331,20 +347,20 @@ 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 */ + 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 */ boolean do_fancy_downsampling; /* TRUE=apply fancy downsampling */ - 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 @@ -352,28 +368,31 @@ * 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? */ + + J_COLOR_TRANSFORM color_transform; + /* Color transform identifier, writes LSE marker if nonzero */ /* 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. @@ -382,37 +401,41 @@ /* * 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 */ - 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 */ - 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. + * There are v_samp_factor * DCT_v_scaled_size 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 */ + 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[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 */ + + 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 ) */ /* * Links to compression subobjects (methods and private variables of modules) @@ -434,7 +457,7 @@ /* 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; @@ -442,9 +465,9 @@ /* 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 @@ -456,24 +479,24 @@ 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(). @@ -481,14 +504,14 @@ * 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. @@ -500,8 +523,8 @@ * 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. @@ -511,20 +534,20 @@ * 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. @@ -533,7 +556,7 @@ * (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 @@ -555,13 +578,14 @@ * 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; /* comp_info[i] describes component that appears i'th in SOF */ - boolean progressive_mode; /* TRUE if SOFn specifies progressive mode */ - boolean arith_code; /* TRUE=arithmetic coding, FALSE=Huffman */ + boolean is_baseline; /* TRUE if Baseline SOF0 encountered */ + 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 */ @@ -572,17 +596,20 @@ /* 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 */ + J_COLOR_TRANSFORM color_transform; + /* Color transform identifier derived from LSE marker, otherwise zero */ + + 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 @@ -597,19 +624,19 @@ /* * 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 */ - 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 */ - 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 * interleaved or not. We define an iMCU row as v_samp_factor DCT block * rows of each component. Therefore, the IDCT output contains - * v_samp_factor*DCT_v_scaled_size sample rows of a component per iMCU row. + * v_samp_factor * DCT_v_scaled_size sample rows of a component per iMCU row. */ JSAMPLE * sample_range_limit; /* table for fast range-limiting */ @@ -619,19 +646,25 @@ * 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 */ + 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 */ + + /* 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 */ /* This field is shared between entropy decoder and marker parser. * It is either zero or the code of a JPEG marker that has been @@ -668,14 +701,14 @@ struct jpeg_error_mgr { /* Error exit handler: does not return to caller */ - JMETHOD(void, error_exit, (j_common_ptr cinfo)); + JMETHOD(noreturn_t, error_exit, (j_common_ptr cinfo)); /* Conditionally emit a trace or warning message */ JMETHOD(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)); /* 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 */ +#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)); @@ -691,7 +724,7 @@ /* 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 @@ -699,7 +732,7 @@ * 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 @@ -717,8 +750,8 @@ * 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 */ + int first_addon_message; /* code for first string in addon table */ + int last_addon_message; /* code for last string in addon table */ }; @@ -727,18 +760,18 @@ struct jpeg_progress_mgr { JMETHOD(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)); @@ -750,7 +783,7 @@ 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 */ + 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)); @@ -771,9 +804,9 @@ * 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; @@ -782,38 +815,38 @@ struct jpeg_memory_mgr { /* Method pointers */ JMETHOD(void *, alloc_small, (j_common_ptr cinfo, int pool_id, - size_t sizeofobject)); + size_t sizeofobject)); JMETHOD(void FAR *, alloc_large, (j_common_ptr cinfo, int pool_id, - size_t sizeofobject)); + size_t sizeofobject)); JMETHOD(JSAMPARRAY, alloc_sarray, (j_common_ptr cinfo, int pool_id, - JDIMENSION samplesperrow, - JDIMENSION numrows)); + JDIMENSION samplesperrow, + JDIMENSION numrows)); JMETHOD(JBLOCKARRAY, alloc_barray, (j_common_ptr cinfo, int pool_id, - JDIMENSION blocksperrow, - JDIMENSION numrows)); + 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)); + 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)); + 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)); + 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)); + 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)); @@ -841,76 +874,79 @@ */ #ifdef HAVE_PROTOTYPES -#define JPP(arglist) arglist +#define JPP(arglist) arglist #else -#define JPP(arglist) () +#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 + * (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 -#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 -#define jpeg_default_qtables jDefQTables -#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 -#define jpeg_calc_jpeg_dimensions jCjpegDimensions -#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 -#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 +#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 +#define jpeg_mem_dest jMemDest +#define jpeg_mem_src jMemSrc +#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 +#define jpeg_default_qtables jDefQTables +#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 +#define jpeg_calc_jpeg_dimensions jCjpegDimensions +#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 +#define jpeg_core_output_dimensions jCoreDimensions +#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 */ /* Default error-management setup */ EXTERN(struct jpeg_error_mgr *) jpeg_std_error - JPP((struct jpeg_error_mgr * err)); + JPP((struct jpeg_error_mgr * err)); /* Initialization of JPEG compression objects. * jpeg_create_compress() and jpeg_create_decompress() are the exported @@ -921,14 +957,14 @@ */ #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)) + (size_t) sizeof(struct jpeg_decompress_struct)) EXTERN(void) jpeg_CreateCompress JPP((j_compress_ptr cinfo, - int version, size_t structsize)); + int version, size_t structsize)); EXTERN(void) jpeg_CreateDecompress JPP((j_decompress_ptr cinfo, - int version, size_t structsize)); + 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)); @@ -938,36 +974,44 @@ EXTERN(void) jpeg_stdio_dest JPP((j_compress_ptr cinfo, FILE * outfile)); EXTERN(void) jpeg_stdio_src JPP((j_decompress_ptr cinfo, FILE * infile)); +/* 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, + const unsigned char * inbuffer, + unsigned long insize)); + /* Default parameter setup for compression */ EXTERN(void) jpeg_set_defaults JPP((j_compress_ptr cinfo)); /* Compression parameter setup aids */ EXTERN(void) jpeg_set_colorspace JPP((j_compress_ptr cinfo, - J_COLOR_SPACE colorspace)); + 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)); + boolean force_baseline)); EXTERN(void) jpeg_set_linear_quality JPP((j_compress_ptr cinfo, - int scale_factor, - boolean force_baseline)); + int scale_factor, + boolean force_baseline)); EXTERN(void) jpeg_default_qtables JPP((j_compress_ptr cinfo, - boolean force_baseline)); + boolean force_baseline)); 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)); + 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)); + 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)); /* Main entry points for compression */ EXTERN(void) jpeg_start_compress JPP((j_compress_ptr cinfo, - boolean write_all_tables)); + boolean write_all_tables)); EXTERN(JDIMENSION) jpeg_write_scanlines JPP((j_compress_ptr cinfo, - JSAMPARRAY scanlines, - JDIMENSION num_lines)); + JSAMPARRAY scanlines, + JDIMENSION num_lines)); EXTERN(void) jpeg_finish_compress JPP((j_compress_ptr cinfo)); /* Precalculate JPEG dimensions for current compression parameters. */ @@ -975,29 +1019,29 @@ /* 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)); + 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)); + JPP((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)); + JPP((j_compress_ptr cinfo, int marker, unsigned int datalen)); EXTERN(void) jpeg_write_m_byte - JPP((j_compress_ptr cinfo, int val)); + JPP((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)); /* 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)); + 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 @@ -1007,49 +1051,50 @@ /* 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)); + JSAMPARRAY scanlines, + JDIMENSION max_lines)); EXTERN(boolean) jpeg_finish_decompress JPP((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)); + 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)); + 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)); /* 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. */ +EXTERN(void) jpeg_core_output_dimensions JPP((j_decompress_ptr cinfo)); EXTERN(void) jpeg_calc_output_dimensions JPP((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)); + JPP((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)); + JPP((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)); + jvirt_barray_ptr * coef_arrays)); EXTERN(void) jpeg_copy_critical_parameters JPP((j_decompress_ptr srcinfo, - j_compress_ptr dstinfo)); + 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, @@ -1068,17 +1113,17 @@ /* Default restart-marker-resync procedure for use by data source modules */ EXTERN(boolean) jpeg_resync_to_restart JPP((j_decompress_ptr cinfo, - int desired)); + 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) @@ -1087,7 +1132,7 @@ */ #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; }; @@ -1122,8 +1167,8 @@ */ #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