ReactOS  0.4.15-dev-425-gc40b086
cdjpeg.h
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1 /*
2  * cdjpeg.h
3  *
4  * Copyright (C) 1994-1997, Thomas G. Lane.
5  * Modified 2019 by Guido Vollbeding.
6  * This file is part of the Independent JPEG Group's software.
7  * For conditions of distribution and use, see the accompanying README file.
8  *
9  * This file contains common declarations for the sample applications
10  * cjpeg and djpeg. It is NOT used by the core JPEG library.
11  */
12 
13 #define JPEG_CJPEG_DJPEG /* define proper options in jconfig.h */
14 #define JPEG_INTERNAL_OPTIONS /* cjpeg.c,djpeg.c need to see xxx_SUPPORTED */
15 #include "jinclude.h"
16 #include "jpeglib.h"
17 #include "jerror.h" /* get library error codes too */
18 #include "cderror.h" /* get application-specific error codes */
19 
20 
21 /*
22  * Object interface for cjpeg's source file decoding modules
23  */
24 
26 
28  JMETHOD(void, start_input, (j_compress_ptr cinfo,
30  JMETHOD(JDIMENSION, get_pixel_rows, (j_compress_ptr cinfo,
32  JMETHOD(void, finish_input, (j_compress_ptr cinfo,
34 
36 
39 };
40 
41 
42 /*
43  * Object interface for djpeg's output file encoding modules
44  */
45 
47 
49  /* start_output is called after jpeg_start_decompress finishes.
50  * The color map will be ready at this time, if one is needed.
51  */
52  JMETHOD(void, start_output, (j_decompress_ptr cinfo,
53  djpeg_dest_ptr dinfo));
54  /* Emit the specified number of pixel rows from the buffer. */
55  JMETHOD(void, put_pixel_rows, (j_decompress_ptr cinfo,
56  djpeg_dest_ptr dinfo,
57  JDIMENSION rows_supplied));
58  /* Finish up at the end of the image. */
59  JMETHOD(void, finish_output, (j_decompress_ptr cinfo,
60  djpeg_dest_ptr dinfo));
61 
62  /* Target file spec; filled in by djpeg.c after object is created. */
64 
65  /* Output pixel-row buffer. Created by module init or start_output.
66  * Width is cinfo->output_width * cinfo->output_components;
67  * height is buffer_height.
68  */
71 };
72 
73 
74 /*
75  * cjpeg/djpeg may need to perform extra passes to convert to or from
76  * the source/destination file format. The JPEG library does not know
77  * about these passes, but we'd like them to be counted by the progress
78  * monitor. We use an expanded progress monitor object to hold the
79  * additional pass count.
80  */
81 
83  struct jpeg_progress_mgr pub; /* fields known to JPEG library */
84  int completed_extra_passes; /* extra passes completed */
85  int total_extra_passes; /* total extra */
86  /* last printed percentage stored here to avoid multiple printouts */
88 };
89 
91 
92 
93 /* Short forms of external names for systems with brain-damaged linkers. */
94 
95 #ifdef NEED_SHORT_EXTERNAL_NAMES
96 #define jinit_read_bmp jIRdBMP
97 #define jinit_write_bmp jIWrBMP
98 #define jinit_read_gif jIRdGIF
99 #define jinit_write_gif jIWrGIF
100 #define jinit_read_ppm jIRdPPM
101 #define jinit_write_ppm jIWrPPM
102 #define jinit_read_rle jIRdRLE
103 #define jinit_write_rle jIWrRLE
104 #define jinit_read_targa jIRdTarga
105 #define jinit_write_targa jIWrTarga
106 #define read_quant_tables RdQTables
107 #define read_scan_script RdScnScript
108 #define set_quality_ratings SetQRates
109 #define set_quant_slots SetQSlots
110 #define set_sample_factors SetSFacts
111 #define read_color_map RdCMap
112 #define enable_signal_catcher EnSigCatcher
113 #define start_progress_monitor StProgMon
114 #define end_progress_monitor EnProgMon
115 #define read_stdin RdStdin
116 #define write_stdout WrStdout
117 #endif /* NEED_SHORT_EXTERNAL_NAMES */
118 
119 /* Module selection routines for I/O modules. */
120 
121 EXTERN(cjpeg_source_ptr) jinit_read_bmp JPP((j_compress_ptr cinfo));
122 EXTERN(djpeg_dest_ptr) jinit_write_bmp JPP((j_decompress_ptr cinfo,
123  boolean is_os2));
124 EXTERN(cjpeg_source_ptr) jinit_read_gif JPP((j_compress_ptr cinfo));
125 EXTERN(djpeg_dest_ptr) jinit_write_gif JPP((j_decompress_ptr cinfo,
126  boolean is_lzw));
127 EXTERN(cjpeg_source_ptr) jinit_read_ppm JPP((j_compress_ptr cinfo));
128 EXTERN(djpeg_dest_ptr) jinit_write_ppm JPP((j_decompress_ptr cinfo));
129 EXTERN(cjpeg_source_ptr) jinit_read_rle JPP((j_compress_ptr cinfo));
130 EXTERN(djpeg_dest_ptr) jinit_write_rle JPP((j_decompress_ptr cinfo));
131 EXTERN(cjpeg_source_ptr) jinit_read_targa JPP((j_compress_ptr cinfo));
132 EXTERN(djpeg_dest_ptr) jinit_write_targa JPP((j_decompress_ptr cinfo));
133 
134 /* cjpeg support routines (in rdswitch.c) */
135 
137  boolean force_baseline));
138 EXTERN(boolean) read_scan_script JPP((j_compress_ptr cinfo, char * filename));
140  boolean force_baseline));
141 EXTERN(boolean) set_quant_slots JPP((j_compress_ptr cinfo, char *arg));
142 EXTERN(boolean) set_sample_factors JPP((j_compress_ptr cinfo, char *arg));
143 
144 /* djpeg support routines (in rdcolmap.c) */
145 
146 EXTERN(void) read_color_map JPP((j_decompress_ptr cinfo, FILE * infile));
147 
148 /* common support routines (in cdjpeg.c) */
149 
150 EXTERN(void) enable_signal_catcher JPP((j_common_ptr cinfo));
151 EXTERN(void) start_progress_monitor JPP((j_common_ptr cinfo,
153 EXTERN(void) end_progress_monitor JPP((j_common_ptr cinfo));
154 EXTERN(boolean) keymatch JPP((char * arg, const char * keyword, int minchars));
155 EXTERN(FILE *) read_stdin JPP((void));
156 EXTERN(FILE *) write_stdout JPP((void));
157 
158 /* miscellaneous useful macros */
159 
160 #ifdef DONT_USE_B_MODE /* define mode parameters for fopen() */
161 #define READ_BINARY "r"
162 #define WRITE_BINARY "w"
163 #else
164 #ifdef VMS /* VMS is very nonstandard */
165 #define READ_BINARY "rb", "ctx=stm"
166 #define WRITE_BINARY "wb", "ctx=stm"
167 #else /* standard ANSI-compliant case */
168 #define READ_BINARY "rb"
169 #define WRITE_BINARY "wb"
170 #endif
171 #endif
172 
173 #ifndef EXIT_FAILURE /* define exit() codes if not provided */
174 #define EXIT_FAILURE 1
175 #endif
176 #ifndef EXIT_SUCCESS
177 #ifdef VMS
178 #define EXIT_SUCCESS 1 /* VMS is very nonstandard */
179 #else
180 #define EXIT_SUCCESS 0
181 #endif
182 #endif
183 #ifndef EXIT_WARNING
184 #ifdef VMS
185 #define EXIT_WARNING 1 /* VMS is very nonstandard */
186 #else
187 #define EXIT_WARNING 2
188 #endif
189 #endif
set_quality_ratings(j_compress_ptr cinfo, char *arg, boolean force_baseline)
Definition: rdswitch.c:267
JSAMPARRAY buffer
Definition: cdjpeg.h:69
char boolean force_baseline
Definition: cdjpeg.h:136
boolean is_lzw
Definition: cdjpeg.h:126
read_quant_tables(j_compress_ptr cinfo, char *filename, boolean force_baseline)
Definition: rdswitch.c:75
const char * filename
Definition: ioapi.h:135
JDIMENSION buffer_height
Definition: cdjpeg.h:38
JMETHOD(void, start_input,(j_compress_ptr cinfo, cjpeg_source_ptr sinfo))
read_stdin(void)
Definition: cdjpeg.c:149
int total_extra_passes
Definition: cdjpeg.h:85
EXTERN(cjpeg_source_ptr) jinit_read_bmp JPP((j_compress_ptr cinfo))
struct cjpeg_source_struct * cjpeg_source_ptr
Definition: cdjpeg.h:25
Definition: general.c:220
set_sample_factors(j_compress_ptr cinfo, char *arg)
Definition: rdswitch.c:334
keymatch(char *arg, const char *keyword, int minchars)
Definition: cdjpeg.c:122
FILE * output_file
Definition: cdjpeg.h:63
const char int minchars
Definition: cdjpeg.h:154
JMETHOD(void, start_output,(j_decompress_ptr cinfo, djpeg_dest_ptr dinfo))
struct djpeg_dest_struct * djpeg_dest_ptr
Definition: cdjpeg.h:46
JSAMPARRAY buffer
Definition: cdjpeg.h:37
struct jpeg_progress_mgr pub
Definition: cdjpeg.h:83
#define JPP(arglist)
Definition: jpeglib.h:877
JSAMPROW * JSAMPARRAY
Definition: jpeglib.h:76
FILE * input_file
Definition: cdjpeg.h:35
FILE * infile
Definition: cdjpeg.h:146
int completed_extra_passes
Definition: cdjpeg.h:84
set_quant_slots(j_compress_ptr cinfo, char *arg)
Definition: rdswitch.c:299
JDIMENSION buffer_height
Definition: cdjpeg.h:70
cd_progress_ptr progress
Definition: cdjpeg.h:152
write_stdout(void)
Definition: cdjpeg.c:167
unsigned int JDIMENSION
Definition: jmorecfg.h:229
struct cdjpeg_progress_mgr * cd_progress_ptr
Definition: cdjpeg.h:90
boolean is_os2
Definition: cdjpeg.h:123