ReactOS  0.4.14-dev-41-g31d7680
cdjpeg.h
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1 /*
2  * cdjpeg.h
3  *
4  * Copyright (C) 1994-1997, Thomas G. Lane.
5  * This file is part of the Independent JPEG Group's software.
6  * For conditions of distribution and use, see the accompanying README file.
7  *
8  * This file contains common declarations for the sample applications
9  * cjpeg and djpeg. It is NOT used by the core JPEG library.
10  */
11 
12 #define JPEG_CJPEG_DJPEG /* define proper options in jconfig.h */
13 #define JPEG_INTERNAL_OPTIONS /* cjpeg.c,djpeg.c need to see xxx_SUPPORTED */
14 #include "jinclude.h"
15 #include "jpeglib.h"
16 #include "jerror.h" /* get library error codes too */
17 #include "cderror.h" /* get application-specific error codes */
18 
19 
20 /*
21  * Object interface for cjpeg's source file decoding modules
22  */
23 
25 
27  JMETHOD(void, start_input, (j_compress_ptr cinfo,
29  JMETHOD(JDIMENSION, get_pixel_rows, (j_compress_ptr cinfo,
31  JMETHOD(void, finish_input, (j_compress_ptr cinfo,
33 
35 
38 };
39 
40 
41 /*
42  * Object interface for djpeg's output file encoding modules
43  */
44 
46 
48  /* start_output is called after jpeg_start_decompress finishes.
49  * The color map will be ready at this time, if one is needed.
50  */
51  JMETHOD(void, start_output, (j_decompress_ptr cinfo,
52  djpeg_dest_ptr dinfo));
53  /* Emit the specified number of pixel rows from the buffer. */
54  JMETHOD(void, put_pixel_rows, (j_decompress_ptr cinfo,
55  djpeg_dest_ptr dinfo,
56  JDIMENSION rows_supplied));
57  /* Finish up at the end of the image. */
58  JMETHOD(void, finish_output, (j_decompress_ptr cinfo,
59  djpeg_dest_ptr dinfo));
60 
61  /* Target file spec; filled in by djpeg.c after object is created. */
63 
64  /* Output pixel-row buffer. Created by module init or start_output.
65  * Width is cinfo->output_width * cinfo->output_components;
66  * height is buffer_height.
67  */
70 };
71 
72 
73 /*
74  * cjpeg/djpeg may need to perform extra passes to convert to or from
75  * the source/destination file format. The JPEG library does not know
76  * about these passes, but we'd like them to be counted by the progress
77  * monitor. We use an expanded progress monitor object to hold the
78  * additional pass count.
79  */
80 
82  struct jpeg_progress_mgr pub; /* fields known to JPEG library */
83  int completed_extra_passes; /* extra passes completed */
84  int total_extra_passes; /* total extra */
85  /* last printed percentage stored here to avoid multiple printouts */
87 };
88 
90 
91 
92 /* Short forms of external names for systems with brain-damaged linkers. */
93 
94 #ifdef NEED_SHORT_EXTERNAL_NAMES
95 #define jinit_read_bmp jIRdBMP
96 #define jinit_write_bmp jIWrBMP
97 #define jinit_read_gif jIRdGIF
98 #define jinit_write_gif jIWrGIF
99 #define jinit_read_ppm jIRdPPM
100 #define jinit_write_ppm jIWrPPM
101 #define jinit_read_rle jIRdRLE
102 #define jinit_write_rle jIWrRLE
103 #define jinit_read_targa jIRdTarga
104 #define jinit_write_targa jIWrTarga
105 #define read_quant_tables RdQTables
106 #define read_scan_script RdScnScript
107 #define set_quality_ratings SetQRates
108 #define set_quant_slots SetQSlots
109 #define set_sample_factors SetSFacts
110 #define read_color_map RdCMap
111 #define enable_signal_catcher EnSigCatcher
112 #define start_progress_monitor StProgMon
113 #define end_progress_monitor EnProgMon
114 #define read_stdin RdStdin
115 #define write_stdout WrStdout
116 #endif /* NEED_SHORT_EXTERNAL_NAMES */
117 
118 /* Module selection routines for I/O modules. */
119 
120 EXTERN(cjpeg_source_ptr) jinit_read_bmp JPP((j_compress_ptr cinfo));
121 EXTERN(djpeg_dest_ptr) jinit_write_bmp JPP((j_decompress_ptr cinfo,
122  boolean is_os2));
123 EXTERN(cjpeg_source_ptr) jinit_read_gif JPP((j_compress_ptr cinfo));
124 EXTERN(djpeg_dest_ptr) jinit_write_gif JPP((j_decompress_ptr cinfo));
125 EXTERN(cjpeg_source_ptr) jinit_read_ppm JPP((j_compress_ptr cinfo));
126 EXTERN(djpeg_dest_ptr) jinit_write_ppm JPP((j_decompress_ptr cinfo));
127 EXTERN(cjpeg_source_ptr) jinit_read_rle JPP((j_compress_ptr cinfo));
128 EXTERN(djpeg_dest_ptr) jinit_write_rle JPP((j_decompress_ptr cinfo));
129 EXTERN(cjpeg_source_ptr) jinit_read_targa JPP((j_compress_ptr cinfo));
130 EXTERN(djpeg_dest_ptr) jinit_write_targa JPP((j_decompress_ptr cinfo));
131 
132 /* cjpeg support routines (in rdswitch.c) */
133 
135  boolean force_baseline));
136 EXTERN(boolean) read_scan_script JPP((j_compress_ptr cinfo, char * filename));
138  boolean force_baseline));
139 EXTERN(boolean) set_quant_slots JPP((j_compress_ptr cinfo, char *arg));
140 EXTERN(boolean) set_sample_factors JPP((j_compress_ptr cinfo, char *arg));
141 
142 /* djpeg support routines (in rdcolmap.c) */
143 
144 EXTERN(void) read_color_map JPP((j_decompress_ptr cinfo, FILE * infile));
145 
146 /* common support routines (in cdjpeg.c) */
147 
148 EXTERN(void) enable_signal_catcher JPP((j_common_ptr cinfo));
149 EXTERN(void) start_progress_monitor JPP((j_common_ptr cinfo,
151 EXTERN(void) end_progress_monitor JPP((j_common_ptr cinfo));
152 EXTERN(boolean) keymatch JPP((char * arg, const char * keyword, int minchars));
153 EXTERN(FILE *) read_stdin JPP((void));
154 EXTERN(FILE *) write_stdout JPP((void));
155 
156 /* miscellaneous useful macros */
157 
158 #ifdef DONT_USE_B_MODE /* define mode parameters for fopen() */
159 #define READ_BINARY "r"
160 #define WRITE_BINARY "w"
161 #else
162 #ifdef VMS /* VMS is very nonstandard */
163 #define READ_BINARY "rb", "ctx=stm"
164 #define WRITE_BINARY "wb", "ctx=stm"
165 #else /* standard ANSI-compliant case */
166 #define READ_BINARY "rb"
167 #define WRITE_BINARY "wb"
168 #endif
169 #endif
170 
171 #ifndef EXIT_FAILURE /* define exit() codes if not provided */
172 #define EXIT_FAILURE 1
173 #endif
174 #ifndef EXIT_SUCCESS
175 #ifdef VMS
176 #define EXIT_SUCCESS 1 /* VMS is very nonstandard */
177 #else
178 #define EXIT_SUCCESS 0
179 #endif
180 #endif
181 #ifndef EXIT_WARNING
182 #ifdef VMS
183 #define EXIT_WARNING 1 /* VMS is very nonstandard */
184 #else
185 #define EXIT_WARNING 2
186 #endif
187 #endif
set_quality_ratings(j_compress_ptr cinfo, char *arg, boolean force_baseline)
Definition: rdswitch.c:268
JSAMPARRAY buffer
Definition: cdjpeg.h:68
char boolean force_baseline
Definition: cdjpeg.h:134
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:37
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:84
EXTERN(cjpeg_source_ptr) jinit_read_bmp JPP((j_compress_ptr cinfo))
struct cjpeg_source_struct * cjpeg_source_ptr
Definition: cdjpeg.h:24
Definition: general.c:220
set_sample_factors(j_compress_ptr cinfo, char *arg)
Definition: rdswitch.c:335
keymatch(char *arg, const char *keyword, int minchars)
Definition: cdjpeg.c:122
FILE * output_file
Definition: cdjpeg.h:62
const char int minchars
Definition: cdjpeg.h:152
JMETHOD(void, start_output,(j_decompress_ptr cinfo, djpeg_dest_ptr dinfo))
struct djpeg_dest_struct * djpeg_dest_ptr
Definition: cdjpeg.h:45
JSAMPARRAY buffer
Definition: cdjpeg.h:36
struct jpeg_progress_mgr pub
Definition: cdjpeg.h:82
#define JPP(arglist)
Definition: jpeglib.h:877
JSAMPROW * JSAMPARRAY
Definition: jpeglib.h:76
FILE * input_file
Definition: cdjpeg.h:34
FILE * infile
Definition: cdjpeg.h:144
int completed_extra_passes
Definition: cdjpeg.h:83
set_quant_slots(j_compress_ptr cinfo, char *arg)
Definition: rdswitch.c:300
JDIMENSION buffer_height
Definition: cdjpeg.h:69
cd_progress_ptr progress
Definition: cdjpeg.h:150
write_stdout(void)
Definition: cdjpeg.c:167
unsigned int JDIMENSION
Definition: jmorecfg.h:229
struct cdjpeg_progress_mgr * cd_progress_ptr
Definition: cdjpeg.h:89
boolean is_os2
Definition: cdjpeg.h:122