1 files changed, 369 insertions, 0 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jmorecfg.h b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jmorecfg.h
new file mode 100644
index 0000000..0a44db4
--- /dev/null
+++ b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jmorecfg.h
@@ -0,0 +1,369 @@
+/*
+ * jmorecfg.h
+ *
+ * Copyright (C) 1991-1997, Thomas G. Lane.
+ * Modified 1997-2011 by Guido Vollbeding.
+ * This file is part of the Independent JPEG Group's software.
+ * For conditions of distribution and use, see the accompanying README file.
+ *
+ * This file contains additional configuration options that customize the
+ * JPEG software for special applications or support machine-dependent
+ * optimizations.  Most users will not need to touch this file.
+ */
+/*
+ * Define BITS_IN_JSAMPLE as either
+ *   8   for 8-bit sample values (the usual setting)
+ *   12  for 12-bit sample values
+ * Only 8 and 12 are legal data precisions for lossy JPEG according to the
+ * JPEG standard, and the IJG code does not support anything else!
+ * We do not support run-time selection of data precision, sorry.
+ */
+#define BITS_IN_JSAMPLE  8      /* use 8 or 12 */
+/*
+ * Maximum number of components (color channels) allowed in JPEG image.
+ * To meet the letter of the JPEG spec, set this to 255.  However, darn
+ * few applications need more than 4 channels (maybe 5 for CMYK + alpha
+ * mask).  We recommend 10 as a reasonable compromise; use 4 if you are
+ * really short on memory.  (Each allowed component costs a hundred or so
+ * bytes of storage, whether actually used in an image or not.)
+ */
+#define MAX_COMPONENTS  10      /* maximum number of image components */
+/*
+ * Basic data types.
+ * You may need to change these if you have a machine with unusual data
+ * type sizes; for example, "char" not 8 bits, "short" not 16 bits,
+ * or "long" not 32 bits.  We don't care whether "int" is 16 or 32 bits,
+ * but it had better be at least 16.
+ */
+/* Representation of a single sample (pixel element value).
+ * We frequently allocate large arrays of these, so it's important to keep
+ * them small.  But if you have memory to burn and access to char or short
+ * arrays is very slow on your hardware, you might want to change these.
+ */
+#if BITS_IN_JSAMPLE == 8
+/* JSAMPLE should be the smallest type that will hold the values 0..255.
+ * You can use a signed char by having GETJSAMPLE mask it with 0xFF.
+ */
+#ifdef HAVE_UNSIGNED_CHAR
+typedef unsigned char JSAMPLE;
+#define GETJSAMPLE(value)  ((int) (value))
+#else /* not HAVE_UNSIGNED_CHAR */
+typedef char JSAMPLE;
+#ifdef CHAR_IS_UNSIGNED
+#define GETJSAMPLE(value)  ((int) (value))
+#else
+#define GETJSAMPLE(value)  ((int) (value) & 0xFF)
+#endif /* CHAR_IS_UNSIGNED */
+#endif /* HAVE_UNSIGNED_CHAR */
+#define MAXJSAMPLE      255
+#define CENTERJSAMPLE   128
+#endif /* BITS_IN_JSAMPLE == 8 */
+#if BITS_IN_JSAMPLE == 12
+/* JSAMPLE should be the smallest type that will hold the values 0..4095.
+ * On nearly all machines "short" will do nicely.
+ */
+typedef short JSAMPLE;
+#define GETJSAMPLE(value)  ((int) (value))
+#define MAXJSAMPLE      4095
+#define CENTERJSAMPLE   2048
+#endif /* BITS_IN_JSAMPLE == 12 */
+/* Representation of a DCT frequency coefficient.
+ * This should be a signed value of at least 16 bits; "short" is usually OK.
+ * Again, we allocate large arrays of these, but you can change to int
+ * if you have memory to burn and "short" is really slow.
+ */
+typedef short JCOEF;
+/* Compressed datastreams are represented as arrays of JOCTET.
+ * These must be EXACTLY 8 bits wide, at least once they are written to
+ * external storage.  Note that when using the stdio data source/destination
+ * managers, this is also the data type passed to fread/fwrite.
+ */
+#ifdef HAVE_UNSIGNED_CHAR
+typedef unsigned char JOCTET;
+#define GETJOCTET(value)  (value)
+#else /* not HAVE_UNSIGNED_CHAR */
+typedef char JOCTET;
+#ifdef CHAR_IS_UNSIGNED
+#define GETJOCTET(value)  (value)
+#else
+#define GETJOCTET(value)  ((value) & 0xFF)
+#endif /* CHAR_IS_UNSIGNED */
+#endif /* HAVE_UNSIGNED_CHAR */
+/* These typedefs are used for various table entries and so forth.
+ * They must be at least as wide as specified; but making them too big
+ * won't cost a huge amount of memory, so we don't provide special
+ * extraction code like we did for JSAMPLE.  (In other words, these
+ * typedefs live at a different point on the speed/space tradeoff curve.)
+ */
+/* UINT8 must hold at least the values 0..255. */
+#ifdef HAVE_UNSIGNED_CHAR
+typedef unsigned char UINT8;
+#else /* not HAVE_UNSIGNED_CHAR */
+#ifdef CHAR_IS_UNSIGNED
+typedef char UINT8;
+#else /* not CHAR_IS_UNSIGNED */
+typedef short UINT8;
+#endif /* CHAR_IS_UNSIGNED */
+#endif /* HAVE_UNSIGNED_CHAR */
+/* UINT16 must hold at least the values 0..65535. */
+#ifdef HAVE_UNSIGNED_SHORT
+typedef unsigned short UINT16;
+#else /* not HAVE_UNSIGNED_SHORT */
+typedef unsigned int UINT16;
+#endif /* HAVE_UNSIGNED_SHORT */
+/* INT16 must hold at least the values -32768..32767. */
+#ifndef XMD_H                   /* X11/xmd.h correctly defines INT16 */
+typedef short INT16;
+#endif
+/* INT32 must hold at least signed 32-bit values. */
+#ifndef XMD_H                   /* X11/xmd.h correctly defines INT32 */
+#ifndef _BASETSD_H_             /* Microsoft defines it in basetsd.h */
+#ifndef _BASETSD_H              /* MinGW is slightly different */
+#ifndef QGLOBAL_H               /* Qt defines it in qglobal.h */
+typedef int INT32;
+#endif
+#endif
+#endif
+#endif
+/* Datatype used for image dimensions.  The JPEG standard only supports
+ * images up to 64K*64K due to 16-bit fields in SOF markers.  Therefore
+ * "unsigned int" is sufficient on all machines.  However, if you need to
+ * handle larger images and you don't mind deviating from the spec, you
+ * can change this datatype.
+ */
+typedef unsigned int JDIMENSION;
+#define JPEG_MAX_DIMENSION  65500L  /* a tad under 64K to prevent overflows */
+/* These macros are used in all function definitions and extern declarations.
+ * You could modify them if you need to change function linkage conventions;
+ * in particular, you'll need to do that to make the library a Windows DLL.
+ * Another application is to make all functions global for use with debuggers
+ * or code profilers that require it.
+ */
+/* a function called through method pointers: */
+#define METHODDEF(type)         static type
+/* a function used only in its module: */
+#define LOCAL(type)             static type
+/* a function referenced thru EXTERNs: */
+#define GLOBAL(type)            type
+/* a reference to a GLOBAL function: */
+#define EXTERN(type)            extern type
+/* This macro is used to declare a "method", that is, a function pointer.
+ * We want to supply prototype parameters if the compiler can cope.
+ * Note that the arglist parameter must be parenthesized!
+ * Again, you can customize this if you need special linkage keywords.
+ */
+#ifdef HAVE_PROTOTYPES
+#define JMETHOD(type,methodname,arglist)  type (*methodname) arglist
+#else
+#define JMETHOD(type,methodname,arglist)  type (*methodname) ()
+#endif
+/* Here is the pseudo-keyword for declaring pointers that must be "far"
+ * on 80x86 machines.  Most of the specialized coding for 80x86 is handled
+ * by just saying "FAR *" where such a pointer is needed.  In a few places
+ * explicit coding is needed; see uses of the NEED_FAR_POINTERS symbol.
+ */
+#ifndef FAR
+#ifdef NEED_FAR_POINTERS
+#define FAR  far
+#else
+#define FAR
+#endif
+#endif
+/*
+ * On a few systems, type boolean and/or its values FALSE, TRUE may appear
+ * in standard header files.  Or you may have conflicts with application-
+ * specific header files that you want to include together with these files.
+ * Defining HAVE_BOOLEAN before including jpeglib.h should make it work.
+ */
+#ifndef HAVE_BOOLEAN
+typedef int boolean;
+#endif
+#ifndef FALSE                   /* in case these macros already exist */
+#define FALSE   0               /* values of boolean */
+#endif
+#ifndef TRUE
+#define TRUE    1
+#endif
+/*
+ * The remaining options affect code selection within the JPEG library,
+ * but they don't need to be visible to most applications using the library.
+ * To minimize application namespace pollution, the symbols won't be
+ * defined unless JPEG_INTERNALS or JPEG_INTERNAL_OPTIONS has been defined.
+ */
+#ifdef JPEG_INTERNALS
+#define JPEG_INTERNAL_OPTIONS
+#endif
+#ifdef JPEG_INTERNAL_OPTIONS
+/*
+ * These defines indicate whether to include various optional functions.
+ * Undefining some of these symbols will produce a smaller but less capable
+ * library.  Note that you can leave certain source files out of the
+ * compilation/linking process if you've #undef'd the corresponding symbols.
+ * (You may HAVE to do that if your compiler doesn't like null source files.)
+ */
+/* Capability options common to encoder and decoder: */
+#define DCT_ISLOW_SUPPORTED     /* slow but accurate integer algorithm */
+#define DCT_IFAST_SUPPORTED     /* faster, less accurate integer method */
+#define DCT_FLOAT_SUPPORTED     /* floating-point: accurate, fast on fast HW */
+/* Encoder capability options: */
+#define C_ARITH_CODING_SUPPORTED    /* Arithmetic coding back end? */
+#define C_MULTISCAN_FILES_SUPPORTED /* Multiple-scan JPEG files? */
+#define C_PROGRESSIVE_SUPPORTED     /* Progressive JPEG? (Requires MULTISCAN)*/
+#define DCT_SCALING_SUPPORTED       /* Input rescaling via DCT? (Requires DCT_ISLOW)*/
+#define ENTROPY_OPT_SUPPORTED       /* Optimization of entropy coding parms? */
+/* Note: if you selected 12-bit data precision, it is dangerous to turn off
+ * ENTROPY_OPT_SUPPORTED.  The standard Huffman tables are only good for 8-bit
+ * precision, so jchuff.c normally uses entropy optimization to compute
+ * usable tables for higher precision.  If you don't want to do optimization,
+ * you'll have to supply different default Huffman tables.
+ * The exact same statements apply for progressive JPEG: the default tables
+ * don't work for progressive mode.  (This may get fixed, however.)
+ */
+#define INPUT_SMOOTHING_SUPPORTED   /* Input image smoothing option? */
+/* Decoder capability options: */
+#define D_ARITH_CODING_SUPPORTED    /* Arithmetic coding back end? */
+#define D_MULTISCAN_FILES_SUPPORTED /* Multiple-scan JPEG files? */
+#define D_PROGRESSIVE_SUPPORTED     /* Progressive JPEG? (Requires MULTISCAN)*/
+#define IDCT_SCALING_SUPPORTED      /* Output rescaling via IDCT? */
+#define SAVE_MARKERS_SUPPORTED      /* jpeg_save_markers() needed? */
+#define BLOCK_SMOOTHING_SUPPORTED   /* Block smoothing? (Progressive only) */
+#undef  UPSAMPLE_SCALING_SUPPORTED  /* Output rescaling at upsample stage? */
+#define UPSAMPLE_MERGING_SUPPORTED  /* Fast path for sloppy upsampling? */
+#define QUANT_1PASS_SUPPORTED       /* 1-pass color quantization? */
+#define QUANT_2PASS_SUPPORTED       /* 2-pass color quantization? */
+/* more capability options later, no doubt */
+/*
+ * Ordering of RGB data in scanlines passed to or from the application.
+ * If your application wants to deal with data in the order B,G,R, just
+ * change these macros.  You can also deal with formats such as R,G,B,X
+ * (one extra byte per pixel) by changing RGB_PIXELSIZE.  Note that changing
+ * the offsets will also change the order in which colormap data is organized.
+ * RESTRICTIONS:
+ * 1. The sample applications cjpeg,djpeg do NOT support modified RGB formats.
+ * 2. The color quantizer modules will not behave desirably if RGB_PIXELSIZE
+ *    is not 3 (they don't understand about dummy color components!).  So you
+ *    can't use color quantization if you change that value.
+ */
+#define RGB_RED         0       /* Offset of Red in an RGB scanline element */
+#define RGB_GREEN       1       /* Offset of Green */
+#define RGB_BLUE        2       /* Offset of Blue */
+#define RGB_PIXELSIZE   3       /* JSAMPLEs per RGB scanline element */
+/* Definitions for speed-related optimizations. */
+/* If your compiler supports inline functions, define INLINE
+ * as the inline keyword; otherwise define it as empty.
+ */
+#ifndef INLINE
+#ifdef __GNUC__                 /* for instance, GNU C knows about inline */
+#define INLINE __inline__
+#endif
+#ifndef INLINE
+#define INLINE                  /* default is to define it as empty */
+#endif
+#endif
+/* On some machines (notably 68000 series) "int" is 32 bits, but multiplying
+ * two 16-bit shorts is faster than multiplying two ints.  Define MULTIPLIER
+ * as short on such a machine.  MULTIPLIER must be at least 16 bits wide.
+ */
+#ifndef MULTIPLIER
+#define MULTIPLIER  int         /* type for fastest integer multiply */
+#endif
+/* FAST_FLOAT should be either float or double, whichever is done faster
+ * by your compiler.  (Note that this type is only used in the floating point
+ * DCT routines, so it only matters if you've defined DCT_FLOAT_SUPPORTED.)
+ * Typically, float is faster in ANSI C compilers, while double is faster in
+ * pre-ANSI compilers (because they insist on converting to double anyway).
+ * The code below therefore chooses float if we have ANSI-style prototypes.
+ */
+#ifndef FAST_FLOAT
+#ifdef HAVE_PROTOTYPES
+#define FAST_FLOAT  float
+#else
+#define FAST_FLOAT  double
+#endif
+#endif
+#endif /* JPEG_INTERNAL_OPTIONS */

diff --git a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jmorecfg.h b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jmorecfg.h new file mode 100644 index 0000000..0a44db4 --- /dev/null +++ b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jmorecfg.h
@@ -0,0 +1,369 @@
	1	/*
	2	* jmorecfg.h
	3	*
	4	* Copyright (C) 1991-1997, Thomas G. Lane.
	5	* Modified 1997-2011 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 additional configuration options that customize the
	10	* JPEG software for special applications or support machine-dependent
	11	* optimizations. Most users will not need to touch this file.
	12	*/
	13
	14
	15	/*
	16	* Define BITS_IN_JSAMPLE as either
	17	* 8 for 8-bit sample values (the usual setting)
	18	* 12 for 12-bit sample values
	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!
	21	* We do not support run-time selection of data precision, sorry.
	22	*/
	23
	24	#define BITS_IN_JSAMPLE 8 /* use 8 or 12 */
	25
	26
	27	/*
	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
	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
	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.)
	34	*/
	35
	36	#define MAX_COMPONENTS 10 /* maximum number of image components */
	37
	38
	39	/*
	40	* Basic data types.
	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,
	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.
	45	*/
	46
	47	/* Representation of a single sample (pixel element value).
	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
	50	* arrays is very slow on your hardware, you might want to change these.
	51	*/
	52
	53	#if BITS_IN_JSAMPLE == 8
	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.
	56	*/
	57
	58	#ifdef HAVE_UNSIGNED_CHAR
	59
	60	typedef unsigned char JSAMPLE;
	61	#define GETJSAMPLE(value) ((int) (value))
	62
	63	#else /* not HAVE_UNSIGNED_CHAR */
	64
	65	typedef char JSAMPLE;
	66	#ifdef CHAR_IS_UNSIGNED
	67	#define GETJSAMPLE(value) ((int) (value))
	68	#else
	69	#define GETJSAMPLE(value) ((int) (value) & 0xFF)
	70	#endif /* CHAR_IS_UNSIGNED */
	71
	72	#endif /* HAVE_UNSIGNED_CHAR */
	73
	74	#define MAXJSAMPLE 255
	75	#define CENTERJSAMPLE 128
	76
	77	#endif /* BITS_IN_JSAMPLE == 8 */
	78
	79
	80	#if BITS_IN_JSAMPLE == 12
	81	/* JSAMPLE should be the smallest type that will hold the values 0..4095.
	82	* On nearly all machines "short" will do nicely.
	83	*/
	84
	85	typedef short JSAMPLE;
	86	#define GETJSAMPLE(value) ((int) (value))
	87
	88	#define MAXJSAMPLE 4095
	89	#define CENTERJSAMPLE 2048
	90
	91	#endif /* BITS_IN_JSAMPLE == 12 */
	92
	93
	94	/* Representation of a DCT frequency coefficient.
	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
	97	* if you have memory to burn and "short" is really slow.
	98	*/
	99
	100	typedef short JCOEF;
	101
	102
	103	/* Compressed datastreams are represented as arrays of JOCTET.
	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
	106	* managers, this is also the data type passed to fread/fwrite.
	107	*/
	108
	109	#ifdef HAVE_UNSIGNED_CHAR
	110
	111	typedef unsigned char JOCTET;
	112	#define GETJOCTET(value) (value)
	113
	114	#else /* not HAVE_UNSIGNED_CHAR */
	115
	116	typedef char JOCTET;
	117	#ifdef CHAR_IS_UNSIGNED
	118	#define GETJOCTET(value) (value)
	119	#else
	120	#define GETJOCTET(value) ((value) & 0xFF)
	121	#endif /* CHAR_IS_UNSIGNED */
	122
	123	#endif /* HAVE_UNSIGNED_CHAR */
	124
	125
	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
	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
	130	* typedefs live at a different point on the speed/space tradeoff curve.)
	131	*/
	132
	133	/* UINT8 must hold at least the values 0..255. */
	134
	135	#ifdef HAVE_UNSIGNED_CHAR
	136	typedef unsigned char UINT8;
	137	#else /* not HAVE_UNSIGNED_CHAR */
	138	#ifdef CHAR_IS_UNSIGNED
	139	typedef char UINT8;
	140	#else /* not CHAR_IS_UNSIGNED */
	141	typedef short UINT8;
	142	#endif /* CHAR_IS_UNSIGNED */
	143	#endif /* HAVE_UNSIGNED_CHAR */
	144
	145	/* UINT16 must hold at least the values 0..65535. */
	146
	147	#ifdef HAVE_UNSIGNED_SHORT
	148	typedef unsigned short UINT16;
	149	#else /* not HAVE_UNSIGNED_SHORT */
	150	typedef unsigned int UINT16;
	151	#endif /* HAVE_UNSIGNED_SHORT */
	152
	153	/* INT16 must hold at least the values -32768..32767. */
	154
	155	#ifndef XMD_H /* X11/xmd.h correctly defines INT16 */
	156	typedef short INT16;
	157	#endif
	158
	159	/* INT32 must hold at least signed 32-bit values. */
	160
	161	#ifndef XMD_H /* X11/xmd.h correctly defines INT32 */
	162	#ifndef _BASETSD_H_ /* Microsoft defines it in basetsd.h */
	163	#ifndef _BASETSD_H /* MinGW is slightly different */
	164	#ifndef QGLOBAL_H /* Qt defines it in qglobal.h */
	165	typedef int INT32;
	166	#endif
	167	#endif
	168	#endif
	169	#endif
	170
	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
	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
	175	* can change this datatype.
	176	*/
	177
	178	typedef unsigned int JDIMENSION;
	179
	180	#define JPEG_MAX_DIMENSION 65500L /* a tad under 64K to prevent overflows */
	181
	182
	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;
	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
	187	* or code profilers that require it.
	188	*/
	189
	190	/* a function called through method pointers: */
	191	#define METHODDEF(type) static type
	192	/* a function used only in its module: */
	193	#define LOCAL(type) static type
	194	/* a function referenced thru EXTERNs: */
	195	#define GLOBAL(type) type
	196	/* a reference to a GLOBAL function: */
	197	#define EXTERN(type) extern type
	198
	199
	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.
	202	* Note that the arglist parameter must be parenthesized!
	203	* Again, you can customize this if you need special linkage keywords.
	204	*/
	205
	206	#ifdef HAVE_PROTOTYPES
	207	#define JMETHOD(type,methodname,arglist) type (*methodname) arglist
	208	#else
	209	#define JMETHOD(type,methodname,arglist) type (*methodname) ()
	210	#endif
	211
	212
	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
	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.
	217	*/
	218
	219	#ifndef FAR
	220	#ifdef NEED_FAR_POINTERS
	221	#define FAR far
	222	#else
	223	#define FAR
	224	#endif
	225	#endif
	226
	227
	228	/*
	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-
	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.
	233	*/
	234
	235	#ifndef HAVE_BOOLEAN
	236	typedef int boolean;
	237	#endif
	238	#ifndef FALSE /* in case these macros already exist */
	239	#define FALSE 0 /* values of boolean */
	240	#endif
	241	#ifndef TRUE
	242	#define TRUE 1
	243	#endif
	244
	245
	246	/*
	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.
	249	* To minimize application namespace pollution, the symbols won't be
	250	* defined unless JPEG_INTERNALS or JPEG_INTERNAL_OPTIONS has been defined.
	251	*/
	252
	253	#ifdef JPEG_INTERNALS
	254	#define JPEG_INTERNAL_OPTIONS
	255	#endif
	256
	257	#ifdef JPEG_INTERNAL_OPTIONS
	258
	259
	260	/*
	261	* These defines indicate whether to include various optional functions.
	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
	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.)
	266	*/
	267
	268	/* Capability options common to encoder and decoder: */
	269
	270	#define DCT_ISLOW_SUPPORTED /* slow but accurate integer algorithm */
	271	#define DCT_IFAST_SUPPORTED /* faster, less accurate integer method */
	272	#define DCT_FLOAT_SUPPORTED /* floating-point: accurate, fast on fast HW */
	273
	274	/* Encoder capability options: */
	275
	276	#define C_ARITH_CODING_SUPPORTED /* Arithmetic coding back end? */
	277	#define C_MULTISCAN_FILES_SUPPORTED /* Multiple-scan JPEG files? */
	278	#define C_PROGRESSIVE_SUPPORTED /* Progressive JPEG? (Requires MULTISCAN)*/
	279	#define DCT_SCALING_SUPPORTED /* Input rescaling via DCT? (Requires DCT_ISLOW)*/
	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
	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
	284	* usable tables for higher precision. If you don't want to do optimization,
	285	* you'll have to supply different default Huffman 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.)
	288	*/
	289	#define INPUT_SMOOTHING_SUPPORTED /* Input image smoothing option? */
	290
	291	/* Decoder capability options: */
	292
	293	#define D_ARITH_CODING_SUPPORTED /* Arithmetic coding back end? */
	294	#define D_MULTISCAN_FILES_SUPPORTED /* Multiple-scan JPEG files? */
	295	#define D_PROGRESSIVE_SUPPORTED /* Progressive JPEG? (Requires MULTISCAN)*/
	296	#define IDCT_SCALING_SUPPORTED /* Output rescaling via IDCT? */
	297	#define SAVE_MARKERS_SUPPORTED /* jpeg_save_markers() needed? */
	298	#define BLOCK_SMOOTHING_SUPPORTED /* Block smoothing? (Progressive only) */
	299	#undef UPSAMPLE_SCALING_SUPPORTED /* Output rescaling at upsample stage? */
	300	#define UPSAMPLE_MERGING_SUPPORTED /* Fast path for sloppy upsampling? */
	301	#define QUANT_1PASS_SUPPORTED /* 1-pass color quantization? */
	302	#define QUANT_2PASS_SUPPORTED /* 2-pass color quantization? */
	303
	304	/* more capability options later, no doubt */
	305
	306
	307	/*
	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
	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
	312	* the offsets will also change the order in which colormap data is organized.
	313	* RESTRICTIONS:
	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
	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.
	318	*/
	319
	320	#define RGB_RED 0 /* Offset of Red in an RGB scanline element */
	321	#define RGB_GREEN 1 /* Offset of Green */
	322	#define RGB_BLUE 2 /* Offset of Blue */
	323	#define RGB_PIXELSIZE 3 /* JSAMPLEs per RGB scanline element */
	324
	325
	326	/* Definitions for speed-related optimizations. */
	327
	328
	329	/* If your compiler supports inline functions, define INLINE
	330	* as the inline keyword; otherwise define it as empty.
	331	*/
	332
	333	#ifndef INLINE
	334	#ifdef __GNUC__ /* for instance, GNU C knows about inline */
	335	#define INLINE __inline__
	336	#endif
	337	#ifndef INLINE
	338	#define INLINE /* default is to define it as empty */
	339	#endif
	340	#endif
	341
	342
	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
	345	* as short on such a machine. MULTIPLIER must be at least 16 bits wide.
	346	*/
	347
	348	#ifndef MULTIPLIER
	349	#define MULTIPLIER int /* type for fastest integer multiply */
	350	#endif
	351
	352
	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
	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
	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.
	359	*/
	360
	361	#ifndef FAST_FLOAT
	362	#ifdef HAVE_PROTOTYPES
	363	#define FAST_FLOAT float
	364	#else
	365	#define FAST_FLOAT double
	366	#endif
	367	#endif
	368
	369	#endif /* JPEG_INTERNAL_OPTIONS */