87 #define JP2_SPTOBPC(s, p) \ 88 ((((p) - 1) & 0x7f) | (((s) & 1) << 7)) 94 #define JP2_BOX_HDRLEN(ext) ((ext) ? 16 : 8) 97 #define JP2_BOX_JP 0x6a502020 98 #define JP2_BOX_FTYP 0x66747970 99 #define JP2_BOX_JP2H 0x6a703268 100 #define JP2_BOX_IHDR 0x69686472 101 #define JP2_BOX_BPCC 0x62706363 102 #define JP2_BOX_COLR 0x636f6c72 103 #define JP2_BOX_PCLR 0x70636c72 104 #define JP2_BOX_CMAP 0x636d6170 105 #define JP2_BOX_CDEF 0x63646566 106 #define JP2_BOX_RES 0x72657320 107 #define JP2_BOX_RESC 0x72657363 108 #define JP2_BOX_RESD 0x72657364 109 #define JP2_BOX_JP2C 0x6a703263 110 #define JP2_BOX_JP2I 0x6a703269 111 #define JP2_BOX_XML 0x786d6c20 112 #define JP2_BOX_UUID 0x75756964 113 #define JP2_BOX_UINF 0x75696e66 114 #define JP2_BOX_ULST 0x75637374 115 #define JP2_BOX_URL 0x75726c20 117 #define JP2_BOX_SUPER 0x01 118 #define JP2_BOX_NODATA 0x02 122 #define JP2_JP_MAGIC 0x0d0a870a 123 #define JP2_JP_LEN 12 131 #define JP2_FTYP_MAXCOMPATCODES 32 132 #define JP2_FTYP_MAJVER 0x6a703220 133 #define JP2_FTYP_MINVER 0 134 #define JP2_FTYP_COMPATCODE JP2_FTYP_MAJVER 137 uint_fast32_t majver;
138 uint_fast32_t minver;
139 uint_fast32_t numcompatcodes;
140 uint_fast32_t compatcodes[JP2_FTYP_MAXCOMPATCODES];
145 #define JP2_IHDR_COMPTYPE 7 146 #define JP2_IHDR_BPCNULL 255 150 uint_fast32_t height;
151 uint_fast16_t numcmpts;
153 uint_fast8_t comptype;
161 uint_fast16_t numcmpts;
167 #define JP2_COLR_ENUM 1 168 #define JP2_COLR_ICC 2 169 #define JP2_COLR_PRI 0 171 #define JP2_COLR_SRGB 16 172 #define JP2_COLR_SGRAY 17 173 #define JP2_COLR_SYCC 18 188 uint_fast16_t numlutents;
189 uint_fast8_t numchans;
190 int_fast32_t *lutdata;
196 #define JP2_CDEF_RGB_R 1 197 #define JP2_CDEF_RGB_G 2 198 #define JP2_CDEF_RGB_B 3 200 #define JP2_CDEF_YCBCR_Y 1 201 #define JP2_CDEF_YCBCR_CB 2 202 #define JP2_CDEF_YCBCR_CR 3 204 #define JP2_CDEF_GRAY_Y 1 206 #define JP2_CDEF_TYPE_COLOR 0 207 #define JP2_CDEF_TYPE_OPACITY 1 208 #define JP2_CDEF_TYPE_UNSPEC 65535 209 #define JP2_CDEF_ASOC_ALL 0 210 #define JP2_CDEF_ASOC_NONE 65535 213 uint_fast16_t channo;
221 uint_fast16_t numchans;
222 jp2_cdefchan_t *ents;
226 uint_fast16_t cmptno;
232 uint_fast16_t numchans;
236 #define JP2_CMAP_DIRECT 0 237 #define JP2_CMAP_PALETTE 1 244 const struct jp2_boxops_s *ops;
245 const struct jp2_boxinfo_s *info;
253 uint_fast32_t datalen;
268 typedef struct jp2_boxops_s {
269 void (*init)(jp2_box_t *box);
270 void (*destroy)(jp2_box_t *box);
272 int (*putdata)(
const jp2_box_t *box,
jas_stream_t *out);
273 void (*dumpdata)(
const jp2_box_t *box);
280 typedef struct jp2_boxinfo_s {
291 jp2_box_t *jp2_box_create(
int type);
292 void jp2_box_destroy(jp2_box_t *box);
297 static inline uint_least8_t JP2_DTYPETOBPC(uint_least8_t dtype)
299 return (JAS_IMAGE_CDT_GETSGND(dtype) << 7) | (JAS_IMAGE_CDT_GETPREC(dtype) - 1);
303 static inline uint_least8_t JP2_BPCTODTYPE(uint_least8_t bpc)
305 return JAS_IMAGE_CDT_SETSGND(bpc >> 7) | JAS_IMAGE_CDT_SETPREC((bpc & 0x7f) + 1);
308 #define ICC_CS_RGB 0x52474220 309 #define ICC_CS_YCBCR 0x59436272 310 #define ICC_CS_GRAY 0x47524159 312 const jp2_cdefchan_t *jp2_cdef_lookup(jp2_cdef_t *cdef,
int channo);
I/O stream object.
Definition: jas_stream.h:206