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author | David Walter Seikel | 2013-01-13 18:54:10 +1000 |
---|---|---|
committer | David Walter Seikel | 2013-01-13 18:54:10 +1000 |
commit | 959831f4ef5a3e797f576c3de08cd65032c997ad (patch) | |
tree | e7351908be5995f0b325b2ebeaa02d5a34b82583 /libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jmorecfg.h | |
parent | Add info about changes to Irrlicht. (diff) | |
download | SledjHamr-959831f4ef5a3e797f576c3de08cd65032c997ad.zip SledjHamr-959831f4ef5a3e797f576c3de08cd65032c997ad.tar.gz SledjHamr-959831f4ef5a3e797f576c3de08cd65032c997ad.tar.bz2 SledjHamr-959831f4ef5a3e797f576c3de08cd65032c997ad.tar.xz |
Remove damned ancient DOS line endings from Irrlicht. Hopefully I did not go overboard.
Diffstat (limited to '')
-rw-r--r-- | libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jmorecfg.h | 738 |
1 files changed, 369 insertions, 369 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jmorecfg.h b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jmorecfg.h index 0a44db4..0574798 100644 --- a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jmorecfg.h +++ b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jmorecfg.h | |||
@@ -1,369 +1,369 @@ | |||
1 | /* | 1 | /* |
2 | * jmorecfg.h | 2 | * jmorecfg.h |
3 | * | 3 | * |
4 | * Copyright (C) 1991-1997, Thomas G. Lane. | 4 | * Copyright (C) 1991-1997, Thomas G. Lane. |
5 | * Modified 1997-2011 by Guido Vollbeding. | 5 | * Modified 1997-2011 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 additional configuration options that customize the | 9 | * This file contains additional configuration options that customize the |
10 | * JPEG software for special applications or support machine-dependent | 10 | * JPEG software for special applications or support machine-dependent |
11 | * optimizations. Most users will not need to touch this file. | 11 | * optimizations. Most users will not need to touch this file. |
12 | */ | 12 | */ |
13 | 13 | ||
14 | 14 | ||
15 | /* | 15 | /* |
16 | * Define BITS_IN_JSAMPLE as either | 16 | * Define BITS_IN_JSAMPLE as either |
17 | * 8 for 8-bit sample values (the usual setting) | 17 | * 8 for 8-bit sample values (the usual setting) |
18 | * 12 for 12-bit sample values | 18 | * 12 for 12-bit sample values |
19 | * Only 8 and 12 are legal data precisions for lossy JPEG according to the | 19 | * Only 8 and 12 are legal data precisions for lossy JPEG according to the |
20 | * JPEG standard, and the IJG code does not support anything else! | 20 | * JPEG standard, and the IJG code does not support anything else! |
21 | * We do not support run-time selection of data precision, sorry. | 21 | * We do not support run-time selection of data precision, sorry. |
22 | */ | 22 | */ |
23 | 23 | ||
24 | #define BITS_IN_JSAMPLE 8 /* use 8 or 12 */ | 24 | #define BITS_IN_JSAMPLE 8 /* use 8 or 12 */ |
25 | 25 | ||
26 | 26 | ||
27 | /* | 27 | /* |
28 | * Maximum number of components (color channels) allowed in JPEG image. | 28 | * Maximum number of components (color channels) allowed in JPEG image. |
29 | * To meet the letter of the JPEG spec, set this to 255. However, darn | 29 | * To meet the letter of the JPEG spec, set this to 255. However, darn |
30 | * few applications need more than 4 channels (maybe 5 for CMYK + alpha | 30 | * few applications need more than 4 channels (maybe 5 for CMYK + alpha |
31 | * mask). We recommend 10 as a reasonable compromise; use 4 if you are | 31 | * mask). We recommend 10 as a reasonable compromise; use 4 if you are |
32 | * really short on memory. (Each allowed component costs a hundred or so | 32 | * really short on memory. (Each allowed component costs a hundred or so |
33 | * bytes of storage, whether actually used in an image or not.) | 33 | * bytes of storage, whether actually used in an image or not.) |
34 | */ | 34 | */ |
35 | 35 | ||
36 | #define MAX_COMPONENTS 10 /* maximum number of image components */ | 36 | #define MAX_COMPONENTS 10 /* maximum number of image components */ |
37 | 37 | ||
38 | 38 | ||
39 | /* | 39 | /* |
40 | * Basic data types. | 40 | * Basic data types. |
41 | * You may need to change these if you have a machine with unusual data | 41 | * You may need to change these if you have a machine with unusual data |
42 | * type sizes; for example, "char" not 8 bits, "short" not 16 bits, | 42 | * type sizes; for example, "char" not 8 bits, "short" not 16 bits, |
43 | * or "long" not 32 bits. We don't care whether "int" is 16 or 32 bits, | 43 | * or "long" not 32 bits. We don't care whether "int" is 16 or 32 bits, |
44 | * but it had better be at least 16. | 44 | * but it had better be at least 16. |
45 | */ | 45 | */ |
46 | 46 | ||
47 | /* Representation of a single sample (pixel element value). | 47 | /* Representation of a single sample (pixel element value). |
48 | * We frequently allocate large arrays of these, so it's important to keep | 48 | * We frequently allocate large arrays of these, so it's important to keep |
49 | * them small. But if you have memory to burn and access to char or short | 49 | * them small. But if you have memory to burn and access to char or short |
50 | * arrays is very slow on your hardware, you might want to change these. | 50 | * arrays is very slow on your hardware, you might want to change these. |
51 | */ | 51 | */ |
52 | 52 | ||
53 | #if BITS_IN_JSAMPLE == 8 | 53 | #if BITS_IN_JSAMPLE == 8 |
54 | /* JSAMPLE should be the smallest type that will hold the values 0..255. | 54 | /* JSAMPLE should be the smallest type that will hold the values 0..255. |
55 | * You can use a signed char by having GETJSAMPLE mask it with 0xFF. | 55 | * You can use a signed char by having GETJSAMPLE mask it with 0xFF. |
56 | */ | 56 | */ |
57 | 57 | ||
58 | #ifdef HAVE_UNSIGNED_CHAR | 58 | #ifdef HAVE_UNSIGNED_CHAR |
59 | 59 | ||
60 | typedef unsigned char JSAMPLE; | 60 | typedef unsigned char JSAMPLE; |
61 | #define GETJSAMPLE(value) ((int) (value)) | 61 | #define GETJSAMPLE(value) ((int) (value)) |
62 | 62 | ||
63 | #else /* not HAVE_UNSIGNED_CHAR */ | 63 | #else /* not HAVE_UNSIGNED_CHAR */ |
64 | 64 | ||
65 | typedef char JSAMPLE; | 65 | typedef char JSAMPLE; |
66 | #ifdef CHAR_IS_UNSIGNED | 66 | #ifdef CHAR_IS_UNSIGNED |
67 | #define GETJSAMPLE(value) ((int) (value)) | 67 | #define GETJSAMPLE(value) ((int) (value)) |
68 | #else | 68 | #else |
69 | #define GETJSAMPLE(value) ((int) (value) & 0xFF) | 69 | #define GETJSAMPLE(value) ((int) (value) & 0xFF) |
70 | #endif /* CHAR_IS_UNSIGNED */ | 70 | #endif /* CHAR_IS_UNSIGNED */ |
71 | 71 | ||
72 | #endif /* HAVE_UNSIGNED_CHAR */ | 72 | #endif /* HAVE_UNSIGNED_CHAR */ |
73 | 73 | ||
74 | #define MAXJSAMPLE 255 | 74 | #define MAXJSAMPLE 255 |
75 | #define CENTERJSAMPLE 128 | 75 | #define CENTERJSAMPLE 128 |
76 | 76 | ||
77 | #endif /* BITS_IN_JSAMPLE == 8 */ | 77 | #endif /* BITS_IN_JSAMPLE == 8 */ |
78 | 78 | ||
79 | 79 | ||
80 | #if BITS_IN_JSAMPLE == 12 | 80 | #if BITS_IN_JSAMPLE == 12 |
81 | /* JSAMPLE should be the smallest type that will hold the values 0..4095. | 81 | /* JSAMPLE should be the smallest type that will hold the values 0..4095. |
82 | * On nearly all machines "short" will do nicely. | 82 | * On nearly all machines "short" will do nicely. |
83 | */ | 83 | */ |
84 | 84 | ||
85 | typedef short JSAMPLE; | 85 | typedef short JSAMPLE; |
86 | #define GETJSAMPLE(value) ((int) (value)) | 86 | #define GETJSAMPLE(value) ((int) (value)) |
87 | 87 | ||
88 | #define MAXJSAMPLE 4095 | 88 | #define MAXJSAMPLE 4095 |
89 | #define CENTERJSAMPLE 2048 | 89 | #define CENTERJSAMPLE 2048 |
90 | 90 | ||
91 | #endif /* BITS_IN_JSAMPLE == 12 */ | 91 | #endif /* BITS_IN_JSAMPLE == 12 */ |
92 | 92 | ||
93 | 93 | ||
94 | /* Representation of a DCT frequency coefficient. | 94 | /* Representation of a DCT frequency coefficient. |
95 | * This should be a signed value of at least 16 bits; "short" is usually OK. | 95 | * This should be a signed value of at least 16 bits; "short" is usually OK. |
96 | * Again, we allocate large arrays of these, but you can change to int | 96 | * Again, we allocate large arrays of these, but you can change to int |
97 | * if you have memory to burn and "short" is really slow. | 97 | * if you have memory to burn and "short" is really slow. |
98 | */ | 98 | */ |
99 | 99 | ||
100 | typedef short JCOEF; | 100 | typedef short JCOEF; |
101 | 101 | ||
102 | 102 | ||
103 | /* Compressed datastreams are represented as arrays of JOCTET. | 103 | /* Compressed datastreams are represented as arrays of JOCTET. |
104 | * These must be EXACTLY 8 bits wide, at least once they are written to | 104 | * These must be EXACTLY 8 bits wide, at least once they are written to |
105 | * external storage. Note that when using the stdio data source/destination | 105 | * external storage. Note that when using the stdio data source/destination |
106 | * managers, this is also the data type passed to fread/fwrite. | 106 | * managers, this is also the data type passed to fread/fwrite. |
107 | */ | 107 | */ |
108 | 108 | ||
109 | #ifdef HAVE_UNSIGNED_CHAR | 109 | #ifdef HAVE_UNSIGNED_CHAR |
110 | 110 | ||
111 | typedef unsigned char JOCTET; | 111 | typedef unsigned char JOCTET; |
112 | #define GETJOCTET(value) (value) | 112 | #define GETJOCTET(value) (value) |
113 | 113 | ||
114 | #else /* not HAVE_UNSIGNED_CHAR */ | 114 | #else /* not HAVE_UNSIGNED_CHAR */ |
115 | 115 | ||
116 | typedef char JOCTET; | 116 | typedef char JOCTET; |
117 | #ifdef CHAR_IS_UNSIGNED | 117 | #ifdef CHAR_IS_UNSIGNED |
118 | #define GETJOCTET(value) (value) | 118 | #define GETJOCTET(value) (value) |
119 | #else | 119 | #else |
120 | #define GETJOCTET(value) ((value) & 0xFF) | 120 | #define GETJOCTET(value) ((value) & 0xFF) |
121 | #endif /* CHAR_IS_UNSIGNED */ | 121 | #endif /* CHAR_IS_UNSIGNED */ |
122 | 122 | ||
123 | #endif /* HAVE_UNSIGNED_CHAR */ | 123 | #endif /* HAVE_UNSIGNED_CHAR */ |
124 | 124 | ||
125 | 125 | ||
126 | /* These typedefs are used for various table entries and so forth. | 126 | /* These typedefs are used for various table entries and so forth. |
127 | * They must be at least as wide as specified; but making them too big | 127 | * They must be at least as wide as specified; but making them too big |
128 | * won't cost a huge amount of memory, so we don't provide special | 128 | * won't cost a huge amount of memory, so we don't provide special |
129 | * extraction code like we did for JSAMPLE. (In other words, these | 129 | * extraction code like we did for JSAMPLE. (In other words, these |
130 | * typedefs live at a different point on the speed/space tradeoff curve.) | 130 | * typedefs live at a different point on the speed/space tradeoff curve.) |
131 | */ | 131 | */ |
132 | 132 | ||
133 | /* UINT8 must hold at least the values 0..255. */ | 133 | /* UINT8 must hold at least the values 0..255. */ |
134 | 134 | ||
135 | #ifdef HAVE_UNSIGNED_CHAR | 135 | #ifdef HAVE_UNSIGNED_CHAR |
136 | typedef unsigned char UINT8; | 136 | typedef unsigned char UINT8; |
137 | #else /* not HAVE_UNSIGNED_CHAR */ | 137 | #else /* not HAVE_UNSIGNED_CHAR */ |
138 | #ifdef CHAR_IS_UNSIGNED | 138 | #ifdef CHAR_IS_UNSIGNED |
139 | typedef char UINT8; | 139 | typedef char UINT8; |
140 | #else /* not CHAR_IS_UNSIGNED */ | 140 | #else /* not CHAR_IS_UNSIGNED */ |
141 | typedef short UINT8; | 141 | typedef short UINT8; |
142 | #endif /* CHAR_IS_UNSIGNED */ | 142 | #endif /* CHAR_IS_UNSIGNED */ |
143 | #endif /* HAVE_UNSIGNED_CHAR */ | 143 | #endif /* HAVE_UNSIGNED_CHAR */ |
144 | 144 | ||
145 | /* UINT16 must hold at least the values 0..65535. */ | 145 | /* UINT16 must hold at least the values 0..65535. */ |
146 | 146 | ||
147 | #ifdef HAVE_UNSIGNED_SHORT | 147 | #ifdef HAVE_UNSIGNED_SHORT |
148 | typedef unsigned short UINT16; | 148 | typedef unsigned short UINT16; |
149 | #else /* not HAVE_UNSIGNED_SHORT */ | 149 | #else /* not HAVE_UNSIGNED_SHORT */ |
150 | typedef unsigned int UINT16; | 150 | typedef unsigned int UINT16; |
151 | #endif /* HAVE_UNSIGNED_SHORT */ | 151 | #endif /* HAVE_UNSIGNED_SHORT */ |
152 | 152 | ||
153 | /* INT16 must hold at least the values -32768..32767. */ | 153 | /* INT16 must hold at least the values -32768..32767. */ |
154 | 154 | ||
155 | #ifndef XMD_H /* X11/xmd.h correctly defines INT16 */ | 155 | #ifndef XMD_H /* X11/xmd.h correctly defines INT16 */ |
156 | typedef short INT16; | 156 | typedef short INT16; |
157 | #endif | 157 | #endif |
158 | 158 | ||
159 | /* INT32 must hold at least signed 32-bit values. */ | 159 | /* INT32 must hold at least signed 32-bit values. */ |
160 | 160 | ||
161 | #ifndef XMD_H /* X11/xmd.h correctly defines INT32 */ | 161 | #ifndef XMD_H /* X11/xmd.h correctly defines INT32 */ |
162 | #ifndef _BASETSD_H_ /* Microsoft defines it in basetsd.h */ | 162 | #ifndef _BASETSD_H_ /* Microsoft defines it in basetsd.h */ |
163 | #ifndef _BASETSD_H /* MinGW is slightly different */ | 163 | #ifndef _BASETSD_H /* MinGW is slightly different */ |
164 | #ifndef QGLOBAL_H /* Qt defines it in qglobal.h */ | 164 | #ifndef QGLOBAL_H /* Qt defines it in qglobal.h */ |
165 | typedef int INT32; | 165 | typedef int INT32; |
166 | #endif | 166 | #endif |
167 | #endif | 167 | #endif |
168 | #endif | 168 | #endif |
169 | #endif | 169 | #endif |
170 | 170 | ||
171 | /* Datatype used for image dimensions. The JPEG standard only supports | 171 | /* Datatype used for image dimensions. The JPEG standard only supports |
172 | * images up to 64K*64K due to 16-bit fields in SOF markers. Therefore | 172 | * images up to 64K*64K due to 16-bit fields in SOF markers. Therefore |
173 | * "unsigned int" is sufficient on all machines. However, if you need to | 173 | * "unsigned int" is sufficient on all machines. However, if you need to |
174 | * handle larger images and you don't mind deviating from the spec, you | 174 | * handle larger images and you don't mind deviating from the spec, you |
175 | * can change this datatype. | 175 | * can change this datatype. |
176 | */ | 176 | */ |
177 | 177 | ||
178 | typedef unsigned int JDIMENSION; | 178 | typedef unsigned int JDIMENSION; |
179 | 179 | ||
180 | #define JPEG_MAX_DIMENSION 65500L /* a tad under 64K to prevent overflows */ | 180 | #define JPEG_MAX_DIMENSION 65500L /* a tad under 64K to prevent overflows */ |
181 | 181 | ||
182 | 182 | ||
183 | /* These macros are used in all function definitions and extern declarations. | 183 | /* These macros are used in all function definitions and extern declarations. |
184 | * You could modify them if you need to change function linkage conventions; | 184 | * You could modify them if you need to change function linkage conventions; |
185 | * in particular, you'll need to do that to make the library a Windows DLL. | 185 | * in particular, you'll need to do that to make the library a Windows DLL. |
186 | * Another application is to make all functions global for use with debuggers | 186 | * Another application is to make all functions global for use with debuggers |
187 | * or code profilers that require it. | 187 | * or code profilers that require it. |
188 | */ | 188 | */ |
189 | 189 | ||
190 | /* a function called through method pointers: */ | 190 | /* a function called through method pointers: */ |
191 | #define METHODDEF(type) static type | 191 | #define METHODDEF(type) static type |
192 | /* a function used only in its module: */ | 192 | /* a function used only in its module: */ |
193 | #define LOCAL(type) static type | 193 | #define LOCAL(type) static type |
194 | /* a function referenced thru EXTERNs: */ | 194 | /* a function referenced thru EXTERNs: */ |
195 | #define GLOBAL(type) type | 195 | #define GLOBAL(type) type |
196 | /* a reference to a GLOBAL function: */ | 196 | /* a reference to a GLOBAL function: */ |
197 | #define EXTERN(type) extern type | 197 | #define EXTERN(type) extern type |
198 | 198 | ||
199 | 199 | ||
200 | /* This macro is used to declare a "method", that is, a function pointer. | 200 | /* This macro is used to declare a "method", that is, a function pointer. |
201 | * We want to supply prototype parameters if the compiler can cope. | 201 | * We want to supply prototype parameters if the compiler can cope. |
202 | * Note that the arglist parameter must be parenthesized! | 202 | * Note that the arglist parameter must be parenthesized! |
203 | * Again, you can customize this if you need special linkage keywords. | 203 | * Again, you can customize this if you need special linkage keywords. |
204 | */ | 204 | */ |
205 | 205 | ||
206 | #ifdef HAVE_PROTOTYPES | 206 | #ifdef HAVE_PROTOTYPES |
207 | #define JMETHOD(type,methodname,arglist) type (*methodname) arglist | 207 | #define JMETHOD(type,methodname,arglist) type (*methodname) arglist |
208 | #else | 208 | #else |
209 | #define JMETHOD(type,methodname,arglist) type (*methodname) () | 209 | #define JMETHOD(type,methodname,arglist) type (*methodname) () |
210 | #endif | 210 | #endif |
211 | 211 | ||
212 | 212 | ||
213 | /* Here is the pseudo-keyword for declaring pointers that must be "far" | 213 | /* Here is the pseudo-keyword for declaring pointers that must be "far" |
214 | * on 80x86 machines. Most of the specialized coding for 80x86 is handled | 214 | * on 80x86 machines. Most of the specialized coding for 80x86 is handled |
215 | * by just saying "FAR *" where such a pointer is needed. In a few places | 215 | * by just saying "FAR *" where such a pointer is needed. In a few places |
216 | * explicit coding is needed; see uses of the NEED_FAR_POINTERS symbol. | 216 | * explicit coding is needed; see uses of the NEED_FAR_POINTERS symbol. |
217 | */ | 217 | */ |
218 | 218 | ||
219 | #ifndef FAR | 219 | #ifndef FAR |
220 | #ifdef NEED_FAR_POINTERS | 220 | #ifdef NEED_FAR_POINTERS |
221 | #define FAR far | 221 | #define FAR far |
222 | #else | 222 | #else |
223 | #define FAR | 223 | #define FAR |
224 | #endif | 224 | #endif |
225 | #endif | 225 | #endif |
226 | 226 | ||
227 | 227 | ||
228 | /* | 228 | /* |
229 | * On a few systems, type boolean and/or its values FALSE, TRUE may appear | 229 | * On a few systems, type boolean and/or its values FALSE, TRUE may appear |
230 | * in standard header files. Or you may have conflicts with application- | 230 | * in standard header files. Or you may have conflicts with application- |
231 | * specific header files that you want to include together with these files. | 231 | * specific header files that you want to include together with these files. |
232 | * Defining HAVE_BOOLEAN before including jpeglib.h should make it work. | 232 | * Defining HAVE_BOOLEAN before including jpeglib.h should make it work. |
233 | */ | 233 | */ |
234 | 234 | ||
235 | #ifndef HAVE_BOOLEAN | 235 | #ifndef HAVE_BOOLEAN |
236 | typedef int boolean; | 236 | typedef int boolean; |
237 | #endif | 237 | #endif |
238 | #ifndef FALSE /* in case these macros already exist */ | 238 | #ifndef FALSE /* in case these macros already exist */ |
239 | #define FALSE 0 /* values of boolean */ | 239 | #define FALSE 0 /* values of boolean */ |
240 | #endif | 240 | #endif |
241 | #ifndef TRUE | 241 | #ifndef TRUE |
242 | #define TRUE 1 | 242 | #define TRUE 1 |
243 | #endif | 243 | #endif |
244 | 244 | ||
245 | 245 | ||
246 | /* | 246 | /* |
247 | * The remaining options affect code selection within the JPEG library, | 247 | * The remaining options affect code selection within the JPEG library, |
248 | * but they don't need to be visible to most applications using the library. | 248 | * but they don't need to be visible to most applications using the library. |
249 | * To minimize application namespace pollution, the symbols won't be | 249 | * To minimize application namespace pollution, the symbols won't be |
250 | * defined unless JPEG_INTERNALS or JPEG_INTERNAL_OPTIONS has been defined. | 250 | * defined unless JPEG_INTERNALS or JPEG_INTERNAL_OPTIONS has been defined. |
251 | */ | 251 | */ |
252 | 252 | ||
253 | #ifdef JPEG_INTERNALS | 253 | #ifdef JPEG_INTERNALS |
254 | #define JPEG_INTERNAL_OPTIONS | 254 | #define JPEG_INTERNAL_OPTIONS |
255 | #endif | 255 | #endif |
256 | 256 | ||
257 | #ifdef JPEG_INTERNAL_OPTIONS | 257 | #ifdef JPEG_INTERNAL_OPTIONS |
258 | 258 | ||
259 | 259 | ||
260 | /* | 260 | /* |
261 | * These defines indicate whether to include various optional functions. | 261 | * These defines indicate whether to include various optional functions. |
262 | * Undefining some of these symbols will produce a smaller but less capable | 262 | * Undefining some of these symbols will produce a smaller but less capable |
263 | * library. Note that you can leave certain source files out of the | 263 | * library. Note that you can leave certain source files out of the |
264 | * compilation/linking process if you've #undef'd the corresponding symbols. | 264 | * compilation/linking process if you've #undef'd the corresponding symbols. |
265 | * (You may HAVE to do that if your compiler doesn't like null source files.) | 265 | * (You may HAVE to do that if your compiler doesn't like null source files.) |
266 | */ | 266 | */ |
267 | 267 | ||
268 | /* Capability options common to encoder and decoder: */ | 268 | /* Capability options common to encoder and decoder: */ |
269 | 269 | ||
270 | #define DCT_ISLOW_SUPPORTED /* slow but accurate integer algorithm */ | 270 | #define DCT_ISLOW_SUPPORTED /* slow but accurate integer algorithm */ |
271 | #define DCT_IFAST_SUPPORTED /* faster, less accurate integer method */ | 271 | #define DCT_IFAST_SUPPORTED /* faster, less accurate integer method */ |
272 | #define DCT_FLOAT_SUPPORTED /* floating-point: accurate, fast on fast HW */ | 272 | #define DCT_FLOAT_SUPPORTED /* floating-point: accurate, fast on fast HW */ |
273 | 273 | ||
274 | /* Encoder capability options: */ | 274 | /* Encoder capability options: */ |
275 | 275 | ||
276 | #define C_ARITH_CODING_SUPPORTED /* Arithmetic coding back end? */ | 276 | #define C_ARITH_CODING_SUPPORTED /* Arithmetic coding back end? */ |
277 | #define C_MULTISCAN_FILES_SUPPORTED /* Multiple-scan JPEG files? */ | 277 | #define C_MULTISCAN_FILES_SUPPORTED /* Multiple-scan JPEG files? */ |
278 | #define C_PROGRESSIVE_SUPPORTED /* Progressive JPEG? (Requires MULTISCAN)*/ | 278 | #define C_PROGRESSIVE_SUPPORTED /* Progressive JPEG? (Requires MULTISCAN)*/ |
279 | #define DCT_SCALING_SUPPORTED /* Input rescaling via DCT? (Requires DCT_ISLOW)*/ | 279 | #define DCT_SCALING_SUPPORTED /* Input rescaling via DCT? (Requires DCT_ISLOW)*/ |
280 | #define ENTROPY_OPT_SUPPORTED /* Optimization of entropy coding parms? */ | 280 | #define ENTROPY_OPT_SUPPORTED /* Optimization of entropy coding parms? */ |
281 | /* Note: if you selected 12-bit data precision, it is dangerous to turn off | 281 | /* Note: if you selected 12-bit data precision, it is dangerous to turn off |
282 | * ENTROPY_OPT_SUPPORTED. The standard Huffman tables are only good for 8-bit | 282 | * ENTROPY_OPT_SUPPORTED. The standard Huffman tables are only good for 8-bit |
283 | * precision, so jchuff.c normally uses entropy optimization to compute | 283 | * precision, so jchuff.c normally uses entropy optimization to compute |
284 | * usable tables for higher precision. If you don't want to do optimization, | 284 | * usable tables for higher precision. If you don't want to do optimization, |
285 | * you'll have to supply different default Huffman tables. | 285 | * you'll have to supply different default Huffman tables. |
286 | * The exact same statements apply for progressive JPEG: the default tables | 286 | * The exact same statements apply for progressive JPEG: the default tables |
287 | * don't work for progressive mode. (This may get fixed, however.) | 287 | * don't work for progressive mode. (This may get fixed, however.) |
288 | */ | 288 | */ |
289 | #define INPUT_SMOOTHING_SUPPORTED /* Input image smoothing option? */ | 289 | #define INPUT_SMOOTHING_SUPPORTED /* Input image smoothing option? */ |
290 | 290 | ||
291 | /* Decoder capability options: */ | 291 | /* Decoder capability options: */ |
292 | 292 | ||
293 | #define D_ARITH_CODING_SUPPORTED /* Arithmetic coding back end? */ | 293 | #define D_ARITH_CODING_SUPPORTED /* Arithmetic coding back end? */ |
294 | #define D_MULTISCAN_FILES_SUPPORTED /* Multiple-scan JPEG files? */ | 294 | #define D_MULTISCAN_FILES_SUPPORTED /* Multiple-scan JPEG files? */ |
295 | #define D_PROGRESSIVE_SUPPORTED /* Progressive JPEG? (Requires MULTISCAN)*/ | 295 | #define D_PROGRESSIVE_SUPPORTED /* Progressive JPEG? (Requires MULTISCAN)*/ |
296 | #define IDCT_SCALING_SUPPORTED /* Output rescaling via IDCT? */ | 296 | #define IDCT_SCALING_SUPPORTED /* Output rescaling via IDCT? */ |
297 | #define SAVE_MARKERS_SUPPORTED /* jpeg_save_markers() needed? */ | 297 | #define SAVE_MARKERS_SUPPORTED /* jpeg_save_markers() needed? */ |
298 | #define BLOCK_SMOOTHING_SUPPORTED /* Block smoothing? (Progressive only) */ | 298 | #define BLOCK_SMOOTHING_SUPPORTED /* Block smoothing? (Progressive only) */ |
299 | #undef UPSAMPLE_SCALING_SUPPORTED /* Output rescaling at upsample stage? */ | 299 | #undef UPSAMPLE_SCALING_SUPPORTED /* Output rescaling at upsample stage? */ |
300 | #define UPSAMPLE_MERGING_SUPPORTED /* Fast path for sloppy upsampling? */ | 300 | #define UPSAMPLE_MERGING_SUPPORTED /* Fast path for sloppy upsampling? */ |
301 | #define QUANT_1PASS_SUPPORTED /* 1-pass color quantization? */ | 301 | #define QUANT_1PASS_SUPPORTED /* 1-pass color quantization? */ |
302 | #define QUANT_2PASS_SUPPORTED /* 2-pass color quantization? */ | 302 | #define QUANT_2PASS_SUPPORTED /* 2-pass color quantization? */ |
303 | 303 | ||
304 | /* more capability options later, no doubt */ | 304 | /* more capability options later, no doubt */ |
305 | 305 | ||
306 | 306 | ||
307 | /* | 307 | /* |
308 | * Ordering of RGB data in scanlines passed to or from the application. | 308 | * Ordering of RGB data in scanlines passed to or from the application. |
309 | * If your application wants to deal with data in the order B,G,R, just | 309 | * If your application wants to deal with data in the order B,G,R, just |
310 | * change these macros. You can also deal with formats such as R,G,B,X | 310 | * change these macros. You can also deal with formats such as R,G,B,X |
311 | * (one extra byte per pixel) by changing RGB_PIXELSIZE. Note that changing | 311 | * (one extra byte per pixel) by changing RGB_PIXELSIZE. Note that changing |
312 | * the offsets will also change the order in which colormap data is organized. | 312 | * the offsets will also change the order in which colormap data is organized. |
313 | * RESTRICTIONS: | 313 | * RESTRICTIONS: |
314 | * 1. The sample applications cjpeg,djpeg do NOT support modified RGB formats. | 314 | * 1. The sample applications cjpeg,djpeg do NOT support modified RGB formats. |
315 | * 2. The color quantizer modules will not behave desirably if RGB_PIXELSIZE | 315 | * 2. The color quantizer modules will not behave desirably if RGB_PIXELSIZE |
316 | * is not 3 (they don't understand about dummy color components!). So you | 316 | * is not 3 (they don't understand about dummy color components!). So you |
317 | * can't use color quantization if you change that value. | 317 | * can't use color quantization if you change that value. |
318 | */ | 318 | */ |
319 | 319 | ||
320 | #define RGB_RED 0 /* Offset of Red in an RGB scanline element */ | 320 | #define RGB_RED 0 /* Offset of Red in an RGB scanline element */ |
321 | #define RGB_GREEN 1 /* Offset of Green */ | 321 | #define RGB_GREEN 1 /* Offset of Green */ |
322 | #define RGB_BLUE 2 /* Offset of Blue */ | 322 | #define RGB_BLUE 2 /* Offset of Blue */ |
323 | #define RGB_PIXELSIZE 3 /* JSAMPLEs per RGB scanline element */ | 323 | #define RGB_PIXELSIZE 3 /* JSAMPLEs per RGB scanline element */ |
324 | 324 | ||
325 | 325 | ||
326 | /* Definitions for speed-related optimizations. */ | 326 | /* Definitions for speed-related optimizations. */ |
327 | 327 | ||
328 | 328 | ||
329 | /* If your compiler supports inline functions, define INLINE | 329 | /* If your compiler supports inline functions, define INLINE |
330 | * as the inline keyword; otherwise define it as empty. | 330 | * as the inline keyword; otherwise define it as empty. |
331 | */ | 331 | */ |
332 | 332 | ||
333 | #ifndef INLINE | 333 | #ifndef INLINE |
334 | #ifdef __GNUC__ /* for instance, GNU C knows about inline */ | 334 | #ifdef __GNUC__ /* for instance, GNU C knows about inline */ |
335 | #define INLINE __inline__ | 335 | #define INLINE __inline__ |
336 | #endif | 336 | #endif |
337 | #ifndef INLINE | 337 | #ifndef INLINE |
338 | #define INLINE /* default is to define it as empty */ | 338 | #define INLINE /* default is to define it as empty */ |
339 | #endif | 339 | #endif |
340 | #endif | 340 | #endif |
341 | 341 | ||
342 | 342 | ||
343 | /* On some machines (notably 68000 series) "int" is 32 bits, but multiplying | 343 | /* On some machines (notably 68000 series) "int" is 32 bits, but multiplying |
344 | * two 16-bit shorts is faster than multiplying two ints. Define MULTIPLIER | 344 | * two 16-bit shorts is faster than multiplying two ints. Define MULTIPLIER |
345 | * as short on such a machine. MULTIPLIER must be at least 16 bits wide. | 345 | * as short on such a machine. MULTIPLIER must be at least 16 bits wide. |
346 | */ | 346 | */ |
347 | 347 | ||
348 | #ifndef MULTIPLIER | 348 | #ifndef MULTIPLIER |
349 | #define MULTIPLIER int /* type for fastest integer multiply */ | 349 | #define MULTIPLIER int /* type for fastest integer multiply */ |
350 | #endif | 350 | #endif |
351 | 351 | ||
352 | 352 | ||
353 | /* FAST_FLOAT should be either float or double, whichever is done faster | 353 | /* FAST_FLOAT should be either float or double, whichever is done faster |
354 | * by your compiler. (Note that this type is only used in the floating point | 354 | * by your compiler. (Note that this type is only used in the floating point |
355 | * DCT routines, so it only matters if you've defined DCT_FLOAT_SUPPORTED.) | 355 | * DCT routines, so it only matters if you've defined DCT_FLOAT_SUPPORTED.) |
356 | * Typically, float is faster in ANSI C compilers, while double is faster in | 356 | * Typically, float is faster in ANSI C compilers, while double is faster in |
357 | * pre-ANSI compilers (because they insist on converting to double anyway). | 357 | * pre-ANSI compilers (because they insist on converting to double anyway). |
358 | * The code below therefore chooses float if we have ANSI-style prototypes. | 358 | * The code below therefore chooses float if we have ANSI-style prototypes. |
359 | */ | 359 | */ |
360 | 360 | ||
361 | #ifndef FAST_FLOAT | 361 | #ifndef FAST_FLOAT |
362 | #ifdef HAVE_PROTOTYPES | 362 | #ifdef HAVE_PROTOTYPES |
363 | #define FAST_FLOAT float | 363 | #define FAST_FLOAT float |
364 | #else | 364 | #else |
365 | #define FAST_FLOAT double | 365 | #define FAST_FLOAT double |
366 | #endif | 366 | #endif |
367 | #endif | 367 | #endif |
368 | 368 | ||
369 | #endif /* JPEG_INTERNAL_OPTIONS */ | 369 | #endif /* JPEG_INTERNAL_OPTIONS */ |