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author | David Walter Seikel | 2014-01-13 19:47:58 +1000 |
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committer | David Walter Seikel | 2014-01-13 19:47:58 +1000 |
commit | f9158592e1478b2013afc7041d9ed041cf2d2f4a (patch) | |
tree | b16e389d7988700e21b4c9741044cefa536dcbae /libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jcapimin.c | |
parent | Libraries readme updated with change markers and more of the Irrlicht changes. (diff) | |
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Update Irrlicht to 1.8.1. Include actual change markers this time. lol
Diffstat (limited to 'libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jcapimin.c')
-rw-r--r-- | libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jcapimin.c | 288 |
1 files changed, 0 insertions, 288 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jcapimin.c b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jcapimin.c deleted file mode 100644 index 639ce86..0000000 --- a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jcapimin.c +++ /dev/null | |||
@@ -1,288 +0,0 @@ | |||
1 | /* | ||
2 | * jcapimin.c | ||
3 | * | ||
4 | * Copyright (C) 1994-1998, Thomas G. Lane. | ||
5 | * Modified 2003-2010 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 application interface code for the compression half | ||
10 | * of the JPEG library. These are the "minimum" API routines that may be | ||
11 | * needed in either the normal full-compression case or the transcoding-only | ||
12 | * case. | ||
13 | * | ||
14 | * Most of the routines intended to be called directly by an application | ||
15 | * are in this file or in jcapistd.c. But also see jcparam.c for | ||
16 | * parameter-setup helper routines, jcomapi.c for routines shared by | ||
17 | * compression and decompression, and jctrans.c for the transcoding case. | ||
18 | */ | ||
19 | |||
20 | #define JPEG_INTERNALS | ||
21 | #include "jinclude.h" | ||
22 | #include "jpeglib.h" | ||
23 | |||
24 | |||
25 | /* | ||
26 | * Initialization of a JPEG compression object. | ||
27 | * The error manager must already be set up (in case memory manager fails). | ||
28 | */ | ||
29 | |||
30 | GLOBAL(void) | ||
31 | jpeg_CreateCompress (j_compress_ptr cinfo, int version, size_t structsize) | ||
32 | { | ||
33 | int i; | ||
34 | |||
35 | /* Guard against version mismatches between library and caller. */ | ||
36 | cinfo->mem = NULL; /* so jpeg_destroy knows mem mgr not called */ | ||
37 | if (version != JPEG_LIB_VERSION) | ||
38 | ERREXIT2(cinfo, JERR_BAD_LIB_VERSION, JPEG_LIB_VERSION, version); | ||
39 | if (structsize != SIZEOF(struct jpeg_compress_struct)) | ||
40 | ERREXIT2(cinfo, JERR_BAD_STRUCT_SIZE, | ||
41 | (int) SIZEOF(struct jpeg_compress_struct), (int) structsize); | ||
42 | |||
43 | /* For debugging purposes, we zero the whole master structure. | ||
44 | * But the application has already set the err pointer, and may have set | ||
45 | * client_data, so we have to save and restore those fields. | ||
46 | * Note: if application hasn't set client_data, tools like Purify may | ||
47 | * complain here. | ||
48 | */ | ||
49 | { | ||
50 | struct jpeg_error_mgr * err = cinfo->err; | ||
51 | void * client_data = cinfo->client_data; /* ignore Purify complaint here */ | ||
52 | MEMZERO(cinfo, SIZEOF(struct jpeg_compress_struct)); | ||
53 | cinfo->err = err; | ||
54 | cinfo->client_data = client_data; | ||
55 | } | ||
56 | cinfo->is_decompressor = FALSE; | ||
57 | |||
58 | /* Initialize a memory manager instance for this object */ | ||
59 | jinit_memory_mgr((j_common_ptr) cinfo); | ||
60 | |||
61 | /* Zero out pointers to permanent structures. */ | ||
62 | cinfo->progress = NULL; | ||
63 | cinfo->dest = NULL; | ||
64 | |||
65 | cinfo->comp_info = NULL; | ||
66 | |||
67 | for (i = 0; i < NUM_QUANT_TBLS; i++) { | ||
68 | cinfo->quant_tbl_ptrs[i] = NULL; | ||
69 | cinfo->q_scale_factor[i] = 100; | ||
70 | } | ||
71 | |||
72 | for (i = 0; i < NUM_HUFF_TBLS; i++) { | ||
73 | cinfo->dc_huff_tbl_ptrs[i] = NULL; | ||
74 | cinfo->ac_huff_tbl_ptrs[i] = NULL; | ||
75 | } | ||
76 | |||
77 | /* Must do it here for emit_dqt in case jpeg_write_tables is used */ | ||
78 | cinfo->block_size = DCTSIZE; | ||
79 | cinfo->natural_order = jpeg_natural_order; | ||
80 | cinfo->lim_Se = DCTSIZE2-1; | ||
81 | |||
82 | cinfo->script_space = NULL; | ||
83 | |||
84 | cinfo->input_gamma = 1.0; /* in case application forgets */ | ||
85 | |||
86 | /* OK, I'm ready */ | ||
87 | cinfo->global_state = CSTATE_START; | ||
88 | } | ||
89 | |||
90 | |||
91 | /* | ||
92 | * Destruction of a JPEG compression object | ||
93 | */ | ||
94 | |||
95 | GLOBAL(void) | ||
96 | jpeg_destroy_compress (j_compress_ptr cinfo) | ||
97 | { | ||
98 | jpeg_destroy((j_common_ptr) cinfo); /* use common routine */ | ||
99 | } | ||
100 | |||
101 | |||
102 | /* | ||
103 | * Abort processing of a JPEG compression operation, | ||
104 | * but don't destroy the object itself. | ||
105 | */ | ||
106 | |||
107 | GLOBAL(void) | ||
108 | jpeg_abort_compress (j_compress_ptr cinfo) | ||
109 | { | ||
110 | jpeg_abort((j_common_ptr) cinfo); /* use common routine */ | ||
111 | } | ||
112 | |||
113 | |||
114 | /* | ||
115 | * Forcibly suppress or un-suppress all quantization and Huffman tables. | ||
116 | * Marks all currently defined tables as already written (if suppress) | ||
117 | * or not written (if !suppress). This will control whether they get emitted | ||
118 | * by a subsequent jpeg_start_compress call. | ||
119 | * | ||
120 | * This routine is exported for use by applications that want to produce | ||
121 | * abbreviated JPEG datastreams. It logically belongs in jcparam.c, but | ||
122 | * since it is called by jpeg_start_compress, we put it here --- otherwise | ||
123 | * jcparam.o would be linked whether the application used it or not. | ||
124 | */ | ||
125 | |||
126 | GLOBAL(void) | ||
127 | jpeg_suppress_tables (j_compress_ptr cinfo, boolean suppress) | ||
128 | { | ||
129 | int i; | ||
130 | JQUANT_TBL * qtbl; | ||
131 | JHUFF_TBL * htbl; | ||
132 | |||
133 | for (i = 0; i < NUM_QUANT_TBLS; i++) { | ||
134 | if ((qtbl = cinfo->quant_tbl_ptrs[i]) != NULL) | ||
135 | qtbl->sent_table = suppress; | ||
136 | } | ||
137 | |||
138 | for (i = 0; i < NUM_HUFF_TBLS; i++) { | ||
139 | if ((htbl = cinfo->dc_huff_tbl_ptrs[i]) != NULL) | ||
140 | htbl->sent_table = suppress; | ||
141 | if ((htbl = cinfo->ac_huff_tbl_ptrs[i]) != NULL) | ||
142 | htbl->sent_table = suppress; | ||
143 | } | ||
144 | } | ||
145 | |||
146 | |||
147 | /* | ||
148 | * Finish JPEG compression. | ||
149 | * | ||
150 | * If a multipass operating mode was selected, this may do a great deal of | ||
151 | * work including most of the actual output. | ||
152 | */ | ||
153 | |||
154 | GLOBAL(void) | ||
155 | jpeg_finish_compress (j_compress_ptr cinfo) | ||
156 | { | ||
157 | JDIMENSION iMCU_row; | ||
158 | |||
159 | if (cinfo->global_state == CSTATE_SCANNING || | ||
160 | cinfo->global_state == CSTATE_RAW_OK) { | ||
161 | /* Terminate first pass */ | ||
162 | if (cinfo->next_scanline < cinfo->image_height) | ||
163 | ERREXIT(cinfo, JERR_TOO_LITTLE_DATA); | ||
164 | (*cinfo->master->finish_pass) (cinfo); | ||
165 | } else if (cinfo->global_state != CSTATE_WRCOEFS) | ||
166 | ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); | ||
167 | /* Perform any remaining passes */ | ||
168 | while (! cinfo->master->is_last_pass) { | ||
169 | (*cinfo->master->prepare_for_pass) (cinfo); | ||
170 | for (iMCU_row = 0; iMCU_row < cinfo->total_iMCU_rows; iMCU_row++) { | ||
171 | if (cinfo->progress != NULL) { | ||
172 | cinfo->progress->pass_counter = (long) iMCU_row; | ||
173 | cinfo->progress->pass_limit = (long) cinfo->total_iMCU_rows; | ||
174 | (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo); | ||
175 | } | ||
176 | /* We bypass the main controller and invoke coef controller directly; | ||
177 | * all work is being done from the coefficient buffer. | ||
178 | */ | ||
179 | if (! (*cinfo->coef->compress_data) (cinfo, (JSAMPIMAGE) NULL)) | ||
180 | ERREXIT(cinfo, JERR_CANT_SUSPEND); | ||
181 | } | ||
182 | (*cinfo->master->finish_pass) (cinfo); | ||
183 | } | ||
184 | /* Write EOI, do final cleanup */ | ||
185 | (*cinfo->marker->write_file_trailer) (cinfo); | ||
186 | (*cinfo->dest->term_destination) (cinfo); | ||
187 | /* We can use jpeg_abort to release memory and reset global_state */ | ||
188 | jpeg_abort((j_common_ptr) cinfo); | ||
189 | } | ||
190 | |||
191 | |||
192 | /* | ||
193 | * Write a special marker. | ||
194 | * This is only recommended for writing COM or APPn markers. | ||
195 | * Must be called after jpeg_start_compress() and before | ||
196 | * first call to jpeg_write_scanlines() or jpeg_write_raw_data(). | ||
197 | */ | ||
198 | |||
199 | GLOBAL(void) | ||
200 | jpeg_write_marker (j_compress_ptr cinfo, int marker, | ||
201 | const JOCTET *dataptr, unsigned int datalen) | ||
202 | { | ||
203 | JMETHOD(void, write_marker_byte, (j_compress_ptr info, int val)); | ||
204 | |||
205 | if (cinfo->next_scanline != 0 || | ||
206 | (cinfo->global_state != CSTATE_SCANNING && | ||
207 | cinfo->global_state != CSTATE_RAW_OK && | ||
208 | cinfo->global_state != CSTATE_WRCOEFS)) | ||
209 | ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); | ||
210 | |||
211 | (*cinfo->marker->write_marker_header) (cinfo, marker, datalen); | ||
212 | write_marker_byte = cinfo->marker->write_marker_byte; /* copy for speed */ | ||
213 | while (datalen--) { | ||
214 | (*write_marker_byte) (cinfo, *dataptr); | ||
215 | dataptr++; | ||
216 | } | ||
217 | } | ||
218 | |||
219 | /* Same, but piecemeal. */ | ||
220 | |||
221 | GLOBAL(void) | ||
222 | jpeg_write_m_header (j_compress_ptr cinfo, int marker, unsigned int datalen) | ||
223 | { | ||
224 | if (cinfo->next_scanline != 0 || | ||
225 | (cinfo->global_state != CSTATE_SCANNING && | ||
226 | cinfo->global_state != CSTATE_RAW_OK && | ||
227 | cinfo->global_state != CSTATE_WRCOEFS)) | ||
228 | ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); | ||
229 | |||
230 | (*cinfo->marker->write_marker_header) (cinfo, marker, datalen); | ||
231 | } | ||
232 | |||
233 | GLOBAL(void) | ||
234 | jpeg_write_m_byte (j_compress_ptr cinfo, int val) | ||
235 | { | ||
236 | (*cinfo->marker->write_marker_byte) (cinfo, val); | ||
237 | } | ||
238 | |||
239 | |||
240 | /* | ||
241 | * Alternate compression function: just write an abbreviated table file. | ||
242 | * Before calling this, all parameters and a data destination must be set up. | ||
243 | * | ||
244 | * To produce a pair of files containing abbreviated tables and abbreviated | ||
245 | * image data, one would proceed as follows: | ||
246 | * | ||
247 | * initialize JPEG object | ||
248 | * set JPEG parameters | ||
249 | * set destination to table file | ||
250 | * jpeg_write_tables(cinfo); | ||
251 | * set destination to image file | ||
252 | * jpeg_start_compress(cinfo, FALSE); | ||
253 | * write data... | ||
254 | * jpeg_finish_compress(cinfo); | ||
255 | * | ||
256 | * jpeg_write_tables has the side effect of marking all tables written | ||
257 | * (same as jpeg_suppress_tables(..., TRUE)). Thus a subsequent start_compress | ||
258 | * will not re-emit the tables unless it is passed write_all_tables=TRUE. | ||
259 | */ | ||
260 | |||
261 | GLOBAL(void) | ||
262 | jpeg_write_tables (j_compress_ptr cinfo) | ||
263 | { | ||
264 | if (cinfo->global_state != CSTATE_START) | ||
265 | ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); | ||
266 | |||
267 | /* (Re)initialize error mgr and destination modules */ | ||
268 | (*cinfo->err->reset_error_mgr) ((j_common_ptr) cinfo); | ||
269 | (*cinfo->dest->init_destination) (cinfo); | ||
270 | /* Initialize the marker writer ... bit of a crock to do it here. */ | ||
271 | jinit_marker_writer(cinfo); | ||
272 | /* Write them tables! */ | ||
273 | (*cinfo->marker->write_tables_only) (cinfo); | ||
274 | /* And clean up. */ | ||
275 | (*cinfo->dest->term_destination) (cinfo); | ||
276 | /* | ||
277 | * In library releases up through v6a, we called jpeg_abort() here to free | ||
278 | * any working memory allocated by the destination manager and marker | ||
279 | * writer. Some applications had a problem with that: they allocated space | ||
280 | * of their own from the library memory manager, and didn't want it to go | ||
281 | * away during write_tables. So now we do nothing. This will cause a | ||
282 | * memory leak if an app calls write_tables repeatedly without doing a full | ||
283 | * compression cycle or otherwise resetting the JPEG object. However, that | ||
284 | * seems less bad than unexpectedly freeing memory in the normal case. | ||
285 | * An app that prefers the old behavior can call jpeg_abort for itself after | ||
286 | * each call to jpeg_write_tables(). | ||
287 | */ | ||
288 | } | ||