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authorDavid Walter Seikel2013-01-13 18:54:10 +1000
committerDavid Walter Seikel2013-01-13 18:54:10 +1000
commit959831f4ef5a3e797f576c3de08cd65032c997ad (patch)
treee7351908be5995f0b325b2ebeaa02d5a34b82583 /libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdatadst.c
parentAdd info about changes to Irrlicht. (diff)
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Remove damned ancient DOS line endings from Irrlicht. Hopefully I did not go overboard.
Diffstat (limited to 'libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdatadst.c')
-rw-r--r--libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdatadst.c534
1 files changed, 267 insertions, 267 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdatadst.c b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdatadst.c
index d22feb0..6981fb7 100644
--- a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdatadst.c
+++ b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdatadst.c
@@ -1,267 +1,267 @@
1/* 1/*
2 * jdatadst.c 2 * jdatadst.c
3 * 3 *
4 * Copyright (C) 1994-1996, Thomas G. Lane. 4 * Copyright (C) 1994-1996, Thomas G. Lane.
5 * Modified 2009-2012 by Guido Vollbeding. 5 * Modified 2009-2012 by Guido Vollbeding.
6 * This file is part of the Independent JPEG Group's software. 6 * This file is part of the Independent JPEG Group's software.
7 * For conditions of distribution and use, see the accompanying README file. 7 * For conditions of distribution and use, see the accompanying README file.
8 * 8 *
9 * This file contains compression data destination routines for the case of 9 * This file contains compression data destination routines for the case of
10 * emitting JPEG data to memory or to a file (or any stdio stream). 10 * emitting JPEG data to memory or to a file (or any stdio stream).
11 * While these routines are sufficient for most applications, 11 * While these routines are sufficient for most applications,
12 * some will want to use a different destination manager. 12 * some will want to use a different destination manager.
13 * IMPORTANT: we assume that fwrite() will correctly transcribe an array of 13 * IMPORTANT: we assume that fwrite() will correctly transcribe an array of
14 * JOCTETs into 8-bit-wide elements on external storage. If char is wider 14 * JOCTETs into 8-bit-wide elements on external storage. If char is wider
15 * than 8 bits on your machine, you may need to do some tweaking. 15 * than 8 bits on your machine, you may need to do some tweaking.
16 */ 16 */
17 17
18/* this is not a core library module, so it doesn't define JPEG_INTERNALS */ 18/* this is not a core library module, so it doesn't define JPEG_INTERNALS */
19#include "jinclude.h" 19#include "jinclude.h"
20#include "jpeglib.h" 20#include "jpeglib.h"
21#include "jerror.h" 21#include "jerror.h"
22 22
23#ifndef HAVE_STDLIB_H /* <stdlib.h> should declare malloc(),free() */ 23#ifndef HAVE_STDLIB_H /* <stdlib.h> should declare malloc(),free() */
24extern void * malloc JPP((size_t size)); 24extern void * malloc JPP((size_t size));
25extern void free JPP((void *ptr)); 25extern void free JPP((void *ptr));
26#endif 26#endif
27 27
28 28
29/* Expanded data destination object for stdio output */ 29/* Expanded data destination object for stdio output */
30 30
31typedef struct { 31typedef struct {
32 struct jpeg_destination_mgr pub; /* public fields */ 32 struct jpeg_destination_mgr pub; /* public fields */
33 33
34 FILE * outfile; /* target stream */ 34 FILE * outfile; /* target stream */
35 JOCTET * buffer; /* start of buffer */ 35 JOCTET * buffer; /* start of buffer */
36} my_destination_mgr; 36} my_destination_mgr;
37 37
38typedef my_destination_mgr * my_dest_ptr; 38typedef my_destination_mgr * my_dest_ptr;
39 39
40#define OUTPUT_BUF_SIZE 4096 /* choose an efficiently fwrite'able size */ 40#define OUTPUT_BUF_SIZE 4096 /* choose an efficiently fwrite'able size */
41 41
42 42
43/* Expanded data destination object for memory output */ 43/* Expanded data destination object for memory output */
44 44
45typedef struct { 45typedef struct {
46 struct jpeg_destination_mgr pub; /* public fields */ 46 struct jpeg_destination_mgr pub; /* public fields */
47 47
48 unsigned char ** outbuffer; /* target buffer */ 48 unsigned char ** outbuffer; /* target buffer */
49 unsigned long * outsize; 49 unsigned long * outsize;
50 unsigned char * newbuffer; /* newly allocated buffer */ 50 unsigned char * newbuffer; /* newly allocated buffer */
51 JOCTET * buffer; /* start of buffer */ 51 JOCTET * buffer; /* start of buffer */
52 size_t bufsize; 52 size_t bufsize;
53} my_mem_destination_mgr; 53} my_mem_destination_mgr;
54 54
55typedef my_mem_destination_mgr * my_mem_dest_ptr; 55typedef my_mem_destination_mgr * my_mem_dest_ptr;
56 56
57 57
58/* 58/*
59 * Initialize destination --- called by jpeg_start_compress 59 * Initialize destination --- called by jpeg_start_compress
60 * before any data is actually written. 60 * before any data is actually written.
61 */ 61 */
62 62
63METHODDEF(void) 63METHODDEF(void)
64init_destination (j_compress_ptr cinfo) 64init_destination (j_compress_ptr cinfo)
65{ 65{
66 my_dest_ptr dest = (my_dest_ptr) cinfo->dest; 66 my_dest_ptr dest = (my_dest_ptr) cinfo->dest;
67 67
68 /* Allocate the output buffer --- it will be released when done with image */ 68 /* Allocate the output buffer --- it will be released when done with image */
69 dest->buffer = (JOCTET *) 69 dest->buffer = (JOCTET *)
70 (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, 70 (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
71 OUTPUT_BUF_SIZE * SIZEOF(JOCTET)); 71 OUTPUT_BUF_SIZE * SIZEOF(JOCTET));
72 72
73 dest->pub.next_output_byte = dest->buffer; 73 dest->pub.next_output_byte = dest->buffer;
74 dest->pub.free_in_buffer = OUTPUT_BUF_SIZE; 74 dest->pub.free_in_buffer = OUTPUT_BUF_SIZE;
75} 75}
76 76
77METHODDEF(void) 77METHODDEF(void)
78init_mem_destination (j_compress_ptr cinfo) 78init_mem_destination (j_compress_ptr cinfo)
79{ 79{
80 /* no work necessary here */ 80 /* no work necessary here */
81} 81}
82 82
83 83
84/* 84/*
85 * Empty the output buffer --- called whenever buffer fills up. 85 * Empty the output buffer --- called whenever buffer fills up.
86 * 86 *
87 * In typical applications, this should write the entire output buffer 87 * In typical applications, this should write the entire output buffer
88 * (ignoring the current state of next_output_byte & free_in_buffer), 88 * (ignoring the current state of next_output_byte & free_in_buffer),
89 * reset the pointer & count to the start of the buffer, and return TRUE 89 * reset the pointer & count to the start of the buffer, and return TRUE
90 * indicating that the buffer has been dumped. 90 * indicating that the buffer has been dumped.
91 * 91 *
92 * In applications that need to be able to suspend compression due to output 92 * In applications that need to be able to suspend compression due to output
93 * overrun, a FALSE return indicates that the buffer cannot be emptied now. 93 * overrun, a FALSE return indicates that the buffer cannot be emptied now.
94 * In this situation, the compressor will return to its caller (possibly with 94 * In this situation, the compressor will return to its caller (possibly with
95 * an indication that it has not accepted all the supplied scanlines). The 95 * an indication that it has not accepted all the supplied scanlines). The
96 * application should resume compression after it has made more room in the 96 * application should resume compression after it has made more room in the
97 * output buffer. Note that there are substantial restrictions on the use of 97 * output buffer. Note that there are substantial restrictions on the use of
98 * suspension --- see the documentation. 98 * suspension --- see the documentation.
99 * 99 *
100 * When suspending, the compressor will back up to a convenient restart point 100 * When suspending, the compressor will back up to a convenient restart point
101 * (typically the start of the current MCU). next_output_byte & free_in_buffer 101 * (typically the start of the current MCU). next_output_byte & free_in_buffer
102 * indicate where the restart point will be if the current call returns FALSE. 102 * indicate where the restart point will be if the current call returns FALSE.
103 * Data beyond this point will be regenerated after resumption, so do not 103 * Data beyond this point will be regenerated after resumption, so do not
104 * write it out when emptying the buffer externally. 104 * write it out when emptying the buffer externally.
105 */ 105 */
106 106
107METHODDEF(boolean) 107METHODDEF(boolean)
108empty_output_buffer (j_compress_ptr cinfo) 108empty_output_buffer (j_compress_ptr cinfo)
109{ 109{
110 my_dest_ptr dest = (my_dest_ptr) cinfo->dest; 110 my_dest_ptr dest = (my_dest_ptr) cinfo->dest;
111 111
112 if (JFWRITE(dest->outfile, dest->buffer, OUTPUT_BUF_SIZE) != 112 if (JFWRITE(dest->outfile, dest->buffer, OUTPUT_BUF_SIZE) !=
113 (size_t) OUTPUT_BUF_SIZE) 113 (size_t) OUTPUT_BUF_SIZE)
114 ERREXIT(cinfo, JERR_FILE_WRITE); 114 ERREXIT(cinfo, JERR_FILE_WRITE);
115 115
116 dest->pub.next_output_byte = dest->buffer; 116 dest->pub.next_output_byte = dest->buffer;
117 dest->pub.free_in_buffer = OUTPUT_BUF_SIZE; 117 dest->pub.free_in_buffer = OUTPUT_BUF_SIZE;
118 118
119 return TRUE; 119 return TRUE;
120} 120}
121 121
122METHODDEF(boolean) 122METHODDEF(boolean)
123empty_mem_output_buffer (j_compress_ptr cinfo) 123empty_mem_output_buffer (j_compress_ptr cinfo)
124{ 124{
125 size_t nextsize; 125 size_t nextsize;
126 JOCTET * nextbuffer; 126 JOCTET * nextbuffer;
127 my_mem_dest_ptr dest = (my_mem_dest_ptr) cinfo->dest; 127 my_mem_dest_ptr dest = (my_mem_dest_ptr) cinfo->dest;
128 128
129 /* Try to allocate new buffer with double size */ 129 /* Try to allocate new buffer with double size */
130 nextsize = dest->bufsize * 2; 130 nextsize = dest->bufsize * 2;
131 nextbuffer = (JOCTET *) malloc(nextsize); 131 nextbuffer = (JOCTET *) malloc(nextsize);
132 132
133 if (nextbuffer == NULL) 133 if (nextbuffer == NULL)
134 ERREXIT1(cinfo, JERR_OUT_OF_MEMORY, 10); 134 ERREXIT1(cinfo, JERR_OUT_OF_MEMORY, 10);
135 135
136 MEMCOPY(nextbuffer, dest->buffer, dest->bufsize); 136 MEMCOPY(nextbuffer, dest->buffer, dest->bufsize);
137 137
138 if (dest->newbuffer != NULL) 138 if (dest->newbuffer != NULL)
139 free(dest->newbuffer); 139 free(dest->newbuffer);
140 140
141 dest->newbuffer = nextbuffer; 141 dest->newbuffer = nextbuffer;
142 142
143 dest->pub.next_output_byte = nextbuffer + dest->bufsize; 143 dest->pub.next_output_byte = nextbuffer + dest->bufsize;
144 dest->pub.free_in_buffer = dest->bufsize; 144 dest->pub.free_in_buffer = dest->bufsize;
145 145
146 dest->buffer = nextbuffer; 146 dest->buffer = nextbuffer;
147 dest->bufsize = nextsize; 147 dest->bufsize = nextsize;
148 148
149 return TRUE; 149 return TRUE;
150} 150}
151 151
152 152
153/* 153/*
154 * Terminate destination --- called by jpeg_finish_compress 154 * Terminate destination --- called by jpeg_finish_compress
155 * after all data has been written. Usually needs to flush buffer. 155 * after all data has been written. Usually needs to flush buffer.
156 * 156 *
157 * NB: *not* called by jpeg_abort or jpeg_destroy; surrounding 157 * NB: *not* called by jpeg_abort or jpeg_destroy; surrounding
158 * application must deal with any cleanup that should happen even 158 * application must deal with any cleanup that should happen even
159 * for error exit. 159 * for error exit.
160 */ 160 */
161 161
162METHODDEF(void) 162METHODDEF(void)
163term_destination (j_compress_ptr cinfo) 163term_destination (j_compress_ptr cinfo)
164{ 164{
165 my_dest_ptr dest = (my_dest_ptr) cinfo->dest; 165 my_dest_ptr dest = (my_dest_ptr) cinfo->dest;
166 size_t datacount = OUTPUT_BUF_SIZE - dest->pub.free_in_buffer; 166 size_t datacount = OUTPUT_BUF_SIZE - dest->pub.free_in_buffer;
167 167
168 /* Write any data remaining in the buffer */ 168 /* Write any data remaining in the buffer */
169 if (datacount > 0) { 169 if (datacount > 0) {
170 if (JFWRITE(dest->outfile, dest->buffer, datacount) != datacount) 170 if (JFWRITE(dest->outfile, dest->buffer, datacount) != datacount)
171 ERREXIT(cinfo, JERR_FILE_WRITE); 171 ERREXIT(cinfo, JERR_FILE_WRITE);
172 } 172 }
173 fflush(dest->outfile); 173 fflush(dest->outfile);
174 /* Make sure we wrote the output file OK */ 174 /* Make sure we wrote the output file OK */
175 if (ferror(dest->outfile)) 175 if (ferror(dest->outfile))
176 ERREXIT(cinfo, JERR_FILE_WRITE); 176 ERREXIT(cinfo, JERR_FILE_WRITE);
177} 177}
178 178
179METHODDEF(void) 179METHODDEF(void)
180term_mem_destination (j_compress_ptr cinfo) 180term_mem_destination (j_compress_ptr cinfo)
181{ 181{
182 my_mem_dest_ptr dest = (my_mem_dest_ptr) cinfo->dest; 182 my_mem_dest_ptr dest = (my_mem_dest_ptr) cinfo->dest;
183 183
184 *dest->outbuffer = dest->buffer; 184 *dest->outbuffer = dest->buffer;
185 *dest->outsize = dest->bufsize - dest->pub.free_in_buffer; 185 *dest->outsize = dest->bufsize - dest->pub.free_in_buffer;
186} 186}
187 187
188 188
189/* 189/*
190 * Prepare for output to a stdio stream. 190 * Prepare for output to a stdio stream.
191 * The caller must have already opened the stream, and is responsible 191 * The caller must have already opened the stream, and is responsible
192 * for closing it after finishing compression. 192 * for closing it after finishing compression.
193 */ 193 */
194 194
195GLOBAL(void) 195GLOBAL(void)
196jpeg_stdio_dest (j_compress_ptr cinfo, FILE * outfile) 196jpeg_stdio_dest (j_compress_ptr cinfo, FILE * outfile)
197{ 197{
198 my_dest_ptr dest; 198 my_dest_ptr dest;
199 199
200 /* The destination object is made permanent so that multiple JPEG images 200 /* The destination object is made permanent so that multiple JPEG images
201 * can be written to the same file without re-executing jpeg_stdio_dest. 201 * can be written to the same file without re-executing jpeg_stdio_dest.
202 * This makes it dangerous to use this manager and a different destination 202 * This makes it dangerous to use this manager and a different destination
203 * manager serially with the same JPEG object, because their private object 203 * manager serially with the same JPEG object, because their private object
204 * sizes may be different. Caveat programmer. 204 * sizes may be different. Caveat programmer.
205 */ 205 */
206 if (cinfo->dest == NULL) { /* first time for this JPEG object? */ 206 if (cinfo->dest == NULL) { /* first time for this JPEG object? */
207 cinfo->dest = (struct jpeg_destination_mgr *) 207 cinfo->dest = (struct jpeg_destination_mgr *)
208 (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, 208 (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT,
209 SIZEOF(my_destination_mgr)); 209 SIZEOF(my_destination_mgr));
210 } 210 }
211 211
212 dest = (my_dest_ptr) cinfo->dest; 212 dest = (my_dest_ptr) cinfo->dest;
213 dest->pub.init_destination = init_destination; 213 dest->pub.init_destination = init_destination;
214 dest->pub.empty_output_buffer = empty_output_buffer; 214 dest->pub.empty_output_buffer = empty_output_buffer;
215 dest->pub.term_destination = term_destination; 215 dest->pub.term_destination = term_destination;
216 dest->outfile = outfile; 216 dest->outfile = outfile;
217} 217}
218 218
219 219
220/* 220/*
221 * Prepare for output to a memory buffer. 221 * Prepare for output to a memory buffer.
222 * The caller may supply an own initial buffer with appropriate size. 222 * The caller may supply an own initial buffer with appropriate size.
223 * Otherwise, or when the actual data output exceeds the given size, 223 * Otherwise, or when the actual data output exceeds the given size,
224 * the library adapts the buffer size as necessary. 224 * the library adapts the buffer size as necessary.
225 * The standard library functions malloc/free are used for allocating 225 * The standard library functions malloc/free are used for allocating
226 * larger memory, so the buffer is available to the application after 226 * larger memory, so the buffer is available to the application after
227 * finishing compression, and then the application is responsible for 227 * finishing compression, and then the application is responsible for
228 * freeing the requested memory. 228 * freeing the requested memory.
229 */ 229 */
230 230
231GLOBAL(void) 231GLOBAL(void)
232jpeg_mem_dest (j_compress_ptr cinfo, 232jpeg_mem_dest (j_compress_ptr cinfo,
233 unsigned char ** outbuffer, unsigned long * outsize) 233 unsigned char ** outbuffer, unsigned long * outsize)
234{ 234{
235 my_mem_dest_ptr dest; 235 my_mem_dest_ptr dest;
236 236
237 if (outbuffer == NULL || outsize == NULL) /* sanity check */ 237 if (outbuffer == NULL || outsize == NULL) /* sanity check */
238 ERREXIT(cinfo, JERR_BUFFER_SIZE); 238 ERREXIT(cinfo, JERR_BUFFER_SIZE);
239 239
240 /* The destination object is made permanent so that multiple JPEG images 240 /* The destination object is made permanent so that multiple JPEG images
241 * can be written to the same buffer without re-executing jpeg_mem_dest. 241 * can be written to the same buffer without re-executing jpeg_mem_dest.
242 */ 242 */
243 if (cinfo->dest == NULL) { /* first time for this JPEG object? */ 243 if (cinfo->dest == NULL) { /* first time for this JPEG object? */
244 cinfo->dest = (struct jpeg_destination_mgr *) 244 cinfo->dest = (struct jpeg_destination_mgr *)
245 (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, 245 (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT,
246 SIZEOF(my_mem_destination_mgr)); 246 SIZEOF(my_mem_destination_mgr));
247 } 247 }
248 248
249 dest = (my_mem_dest_ptr) cinfo->dest; 249 dest = (my_mem_dest_ptr) cinfo->dest;
250 dest->pub.init_destination = init_mem_destination; 250 dest->pub.init_destination = init_mem_destination;
251 dest->pub.empty_output_buffer = empty_mem_output_buffer; 251 dest->pub.empty_output_buffer = empty_mem_output_buffer;
252 dest->pub.term_destination = term_mem_destination; 252 dest->pub.term_destination = term_mem_destination;
253 dest->outbuffer = outbuffer; 253 dest->outbuffer = outbuffer;
254 dest->outsize = outsize; 254 dest->outsize = outsize;
255 dest->newbuffer = NULL; 255 dest->newbuffer = NULL;
256 256
257 if (*outbuffer == NULL || *outsize == 0) { 257 if (*outbuffer == NULL || *outsize == 0) {
258 /* Allocate initial buffer */ 258 /* Allocate initial buffer */
259 dest->newbuffer = *outbuffer = (unsigned char *) malloc(OUTPUT_BUF_SIZE); 259 dest->newbuffer = *outbuffer = (unsigned char *) malloc(OUTPUT_BUF_SIZE);
260 if (dest->newbuffer == NULL) 260 if (dest->newbuffer == NULL)
261 ERREXIT1(cinfo, JERR_OUT_OF_MEMORY, 10); 261 ERREXIT1(cinfo, JERR_OUT_OF_MEMORY, 10);
262 *outsize = OUTPUT_BUF_SIZE; 262 *outsize = OUTPUT_BUF_SIZE;
263 } 263 }
264 264
265 dest->pub.next_output_byte = dest->buffer = *outbuffer; 265 dest->pub.next_output_byte = dest->buffer = *outbuffer;
266 dest->pub.free_in_buffer = dest->bufsize = *outsize; 266 dest->pub.free_in_buffer = dest->bufsize = *outsize;
267} 267}