src/png/libpngpf.3

   1 .TH LIBPNGPF 3 "September 23, 2010"
   2 .SH NAME
   3 libpng \- Portable Network Graphics (PNG) Reference Library 1.4.4
   4 (private functions)
   5 .SH SYNOPSIS
   6 \fB#include <png.h>\fP
   7
   8 \fB#include \fI"pngpriv.h"
   9
  10 \fI\fB
  11
  12 \fBvoid png_64bit_product (long \fP\fIv1\fP\fB, long \fP\fIv2\fP\fB, unsigned long \fI*hi_product,
  13
  14 \fBunsigned long \fI*lo_product\fP\fB);\fP
  15
  16 \fI\fB
  17
  18 \fBvoid png_build_gamma_table (png_structp \fP\fIpng_ptr\fP\fB, png_byte \fIbit_depth\fP\fB);\fP
  19
  20 \fI\fB
  21
  22 \fI\fB
  23
  24 \fBvoid png_build_grayscale_palette (int \fP\fIbit_depth\fP\fB, png_colorp \fIpalette\fP\fB);\fP
  25
  26 \fI\fB
  27
  28 \fI\fB
  29
  30 \fBvoid png_calculate_crc (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIptr\fP\fB, png_size_t \fIlength\fP\fB);\fP
  31
  32 \fI\fB
  33
  34 \fI\fB
  35
  36 \fBint png_check_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_fixed_point \fP\fIint_white_x\fP\fB, png_fixed_point \fP\fIint_white_y\fP\fB, png_fixed_point \fP\fIint_red_x\fP\fB, png_fixed_point \fP\fIint_red_y\fP\fB, png_fixed_point \fP\fIint_green_x\fP\fB, png_fixed_point \fP\fIint_green_y\fP\fB, png_fixed_point \fP\fIint_blue_x\fP\fB, png_fixed_point \fIint_blue_y\fP\fB);\fP
  37
  38 \fI\fB
  39
  40 \fI\fB
  41
  42 \fBvoid png_check_chunk_name (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIchunk_name\fP\fB);\fP
  43
  44 \fI\fB
  45
  46 \fI\fB
  47
  48 \fBpng_size_t png_check_keyword (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charpp \fInew_key\fP\fB);\fP
  49
  50 \fI\fB
  51
  52 \fI\fB
  53
  54 \fBvoid png_check_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwidth\fP\fB, png_uint_32 \fP\fIheight\fP\fB, int \fP\fIbit_depth\fP\fB, int \fP\fIcolor_type\fP\fB, int \fP\fIinterlace_type\fP\fB, int \fP\fIcompression_type\fP\fB, int \fIfilter_type\fP\fB);\fP
  55
  56 \fI\fB
  57
  58 \fI\fB
  59
  60 \fBvoid png_combine_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fImask\fP\fB);\fP
  61
  62 \fI\fB
  63
  64 \fI\fB
  65
  66 \fBvoid png_correct_palette (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fInum_palette\fP\fB);\fP
  67
  68 \fI\fB
  69
  70 \fI\fB
  71
  72 \fBint png_crc_error (png_structp \fIpng_ptr\fP\fB);\fP
  73
  74 \fI\fB
  75
  76 \fI\fB
  77
  78 \fBint png_crc_finish (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIskip\fP\fB);\fP
  79
  80 \fI\fB
  81
  82 \fI\fB
  83
  84 \fBvoid png_crc_read (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuf\fP\fB, png_size_t \fIlength\fP\fB);\fP
  85
  86 \fI\fB
  87
  88 \fI\fB
  89
  90 \fBpng_voidp png_create_struct (int \fItype\fP\fB);\fP
  91
  92 \fI\fB
  93
  94 \fI\fB
  95
  96 \fBpng_voidp png_create_struct_2 (int \fP\fItype\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_voidp \fImem_ptr\fP\fB);\fP
  97
  98 \fI\fB
  99
 100 \fI\fB
 101
 102 \fBint png_debug(int \fP\fIlevel\fP\fB, png_const_charp \fImessage\fP\fB);\fP
 103
 104 \fI\fB
 105
 106 \fBint png_debug1(int \fP\fIlevel\fP\fB, png_const_charp \fP\fImessage\fP\fB, \fIp1\fP\fB);\fP
 107
 108 \fI\fB
 109
 110 \fBint png_debug2(int \fP\fIlevel\fP\fB, png_const_charp \fP\fImessage\fP\fB, \fP\fIp1\fP\fB, \fIp2\fP\fB);\fP
 111
 112 \fI\fB
 113
 114 \fBvoid png_decompress_chunk (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcomp_type\fP\fB, png_size_t \fP\fIchunklength\fP\fB, png_size_t \fP\fIprefix_length\fP\fB, png_size_t \fI*data_length\fP\fB);\fP
 115
 116 \fI\fB
 117
 118 \fI\fB
 119
 120 \fBvoid png_destroy_struct (png_voidp \fIstruct_ptr\fP\fB);\fP
 121
 122 \fI\fB
 123
 124 \fI\fB
 125
 126 \fBvoid png_destroy_struct_2 (png_voidp \fP\fIstruct_ptr\fP\fB, png_free_ptr \fP\fIfree_fn\fP\fB, png_voidp \fImem_ptr\fP\fB);\fP
 127
 128 \fI\fB
 129
 130 \fI\fB
 131
 132 \fBvoid png_do_background (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_16p \fP\fItrans_color\fP\fB, png_color_16p \fP\fIbackground\fP\fB, png_color_16p \fP\fIbackground_1\fP\fB, png_bytep \fP\fIgamma_table\fP\fB, png_bytep \fP\fIgamma_from_1\fP\fB, png_bytep \fP\fIgamma_to_1\fP\fB, png_uint_16pp \fP\fIgamma_16\fP\fB, png_uint_16pp \fP\fIgamma_16_from_1\fP\fB, png_uint_16pp \fP\fIgamma_16_to_1\fP\fB, int \fIgamma_shift\fP\fB);\fP
 133
 134 \fI\fB
 135
 136 \fI\fB
 137
 138 \fBvoid png_do_bgr (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
 139
 140 \fI\fB
 141
 142 \fI\fB
 143
 144 \fBvoid png_do_chop (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
 145
 146 \fI\fB
 147
 148 \fBvoid png_do_expand (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_16p \fItrans_value\fP\fB);\fP
 149
 150 \fI\fB
 151
 152 \fI\fB
 153
 154 \fBvoid png_do_expand_palette (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_colorp \fP\fIpalette\fP\fB, png_bytep \fP\fItrans\fP\fB, int \fInum_trans\fP\fB);\fP
 155
 156 \fI\fB
 157
 158 \fI\fB
 159
 160 \fBvoid png_do_gamma (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIgamma_table\fP\fB, png_uint_16pp \fP\fIgamma_16_table\fP\fB, int \fIgamma_shift\fP\fB);\fP
 161
 162 \fI\fB
 163
 164 \fI\fB
 165
 166 \fBvoid png_do_gray_to_rgb (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
 167
 168 \fI\fB
 169
 170 \fI\fB
 171
 172 \fBvoid png_do_invert (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
 173
 174 \fI\fB
 175
 176 \fI\fB
 177
 178 \fBvoid png_do_pack (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fIbit_depth\fP\fB);\fP
 179
 180 \fI\fB
 181
 182 \fI\fB
 183
 184 \fBvoid png_do_packswap (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
 185
 186 \fI\fB
 187
 188 \fI\fB
 189
 190 \fBvoid png_do_quantize (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIpalette_lookup\fP\fB, png_bytep \fIquantize_lookup\fP\fB);\fP
 191
 192 \fI\fB
 193
 194 \fI\fB
 195
 196 \fBvoid png_do_read_filler (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, png_uint_32 \fIflags\fP\fB);\fP
 197
 198 \fI\fB
 199
 200 \fI\fB
 201
 202 \fBvoid png_do_read_interlace (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fP\fIpass\fP\fB, png_uint_32 \fItransformations\fP\fB);\fP
 203
 204 \fI\fB
 205
 206 \fI\fB
 207
 208 \fBvoid png_do_read_invert_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
 209
 210 \fI\fB
 211
 212 \fBvoid png_do_read_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
 213
 214 \fI\fB
 215
 216 \fI\fB
 217
 218 \fBvoid png_do_read_transformations (png_structp \fIpng_ptr\fP\fB);\fP
 219
 220 \fI\fB
 221
 222 \fI\fB
 223
 224 \fBint png_do_rgb_to_gray (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
 225
 226 \fI\fB
 227
 228 \fI\fB
 229
 230 \fBvoid png_do_shift (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_8p \fIbit_depth\fP\fB);\fP
 231
 232 \fI\fB
 233
 234 \fI\fB
 235
 236 \fBvoid png_do_strip_filler (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fIflags\fP\fB);\fP
 237
 238 \fI\fB
 239
 240 \fI\fB
 241
 242 \fBvoid png_do_swap (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
 243
 244 \fI\fB
 245
 246 \fI\fB
 247
 248 \fBvoid png_do_unpack (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
 249
 250 \fI\fB
 251
 252 \fI\fB
 253
 254 \fBvoid png_do_unshift (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_8p \fIsig_bits\fP\fB);\fP
 255
 256 \fI\fB
 257
 258 \fI\fB
 259
 260 \fBvoid png_do_write_interlace (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fIpass\fP\fB);\fP
 261
 262 \fI\fB
 263
 264 \fI\fB
 265
 266 \fBvoid png_do_write_invert_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
 267
 268 \fI\fB
 269
 270 \fI\fB
 271
 272 \fBvoid png_do_write_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
 273
 274 \fI\fB
 275
 276 \fI\fB
 277
 278 \fBvoid png_do_write_transformations (png_structp \fIpng_ptr\fP\fB);\fP
 279
 280 \fI\fB
 281
 282 \fI\fB
 283
 284 \fBvoid *png_far_to_near (png_structp png_ptr,png_voidp \fP\fIptr\fP\fB, int \fIcheck\fP\fB);\fP
 285
 286 \fI\fB
 287
 288 \fI\fB
 289
 290 \fBvoid png_flush (png_structp \fIpng_ptr\fP\fB);\fP
 291
 292 \fI\fB
 293
 294 \fI\fB
 295
 296 \fBvoid png_handle_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 297
 298 \fI\fB
 299
 300 \fI\fB
 301
 302 \fBvoid png_handle_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 303
 304 \fI\fB
 305
 306 \fI\fB
 307
 308 \fBvoid png_handle_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 309
 310 \fI\fB
 311
 312 \fI\fB
 313
 314 \fBvoid png_handle_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 315
 316 \fI\fB
 317
 318 \fI\fB
 319
 320 \fBvoid png_handle_IEND (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 321
 322 \fI\fB
 323
 324 \fI\fB
 325
 326 \fBvoid png_handle_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 327
 328 \fI\fB
 329
 330 \fI\fB
 331
 332 \fBvoid png_handle_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 333
 334 \fI\fB
 335
 336 \fI\fB
 337
 338 \fBvoid png_handle_iTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 339
 340 \fI\fB
 341
 342 \fI\fB
 343
 344 \fBvoid png_handle_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 345
 346 \fI\fB
 347
 348 \fI\fB
 349
 350 \fBvoid png_handle_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 351
 352 \fI\fB
 353
 354 \fI\fB
 355
 356 \fBvoid png_handle_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 357
 358 \fI\fB
 359
 360 \fI\fB
 361
 362 \fBvoid png_handle_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 363
 364 \fI\fB
 365
 366 \fI\fB
 367
 368 \fBvoid png_handle_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 369
 370 \fI\fB
 371
 372 \fI\fB
 373
 374 \fBvoid png_handle_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 375
 376 \fI\fB
 377
 378 \fI\fB
 379
 380 \fBvoid png_handle_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 381
 382 \fI\fB
 383
 384 \fI\fB
 385
 386 \fBvoid png_handle_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 387
 388 \fI\fB
 389
 390 \fI\fB
 391
 392 \fBvoid png_handle_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 393
 394 \fI\fB
 395
 396 \fI\fB
 397
 398 \fBvoid png_handle_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 399
 400 \fI\fB
 401
 402 \fI\fB
 403
 404 \fBvoid png_handle_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 405
 406 \fI\fB
 407
 408 \fI\fB
 409
 410 \fBvoid png_handle_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 411
 412 \fI\fB
 413
 414 \fI\fB
 415
 416 \fBvoid png_handle_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 417
 418 \fI\fB
 419
 420 \fI\fB
 421
 422 \fBvoid png_info_destroy (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
 423
 424 \fI\fB
 425
 426 \fI\fB
 427
 428 \fBvoid png_init_mmx_flags (png_structp \fIpng_ptr\fP\fB);\fP
 429
 430 \fI\fB
 431
 432 \fI\fB
 433
 434 \fBvoid png_init_read_transformations (png_structp \fIpng_ptr\fP\fB);\fP
 435
 436 \fI\fB
 437
 438 \fI\fB
 439
 440 \fBvoid png_process_IDAT_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_length\fP\fB);\fP
 441
 442 \fI\fB
 443
 444 \fI\fB
 445
 446 \fBvoid png_process_some_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
 447
 448 \fI\fB
 449
 450 \fI\fB
 451
 452 \fBvoid png_push_check_crc (png_structp \fIpng_ptr\fP\fB);\fP
 453
 454 \fI\fB
 455
 456 \fI\fB
 457
 458 \fBvoid png_push_crc_finish (png_structp \fIpng_ptr\fP\fB);\fP
 459
 460 \fI\fB
 461
 462 \fI\fB
 463
 464 \fBvoid png_push_crc_skip (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 465
 466 \fI\fB
 467
 468 \fI\fB
 469
 470 \fBvoid png_push_fill_buffer (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIlength\fP\fB);\fP
 471
 472 \fI\fB
 473
 474 \fI\fB
 475
 476 \fBvoid png_push_handle_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 477
 478 \fI\fB
 479
 480 \fI\fB
 481
 482 \fBvoid png_push_handle_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 483
 484 \fI\fB
 485
 486 \fI\fB
 487
 488 \fBvoid png_push_handle_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
 489
 490 \fI\fB
 491
 492 \fI\fB
 493
 494 \fBvoid png_push_have_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
 495
 496 \fI\fB
 497
 498 \fI\fB
 499
 500 \fBvoid png_push_have_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
 501
 502 \fI\fB
 503
 504 \fI\fB
 505
 506 \fBvoid png_push_have_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIrow\fP\fB);\fP
 507
 508 \fI\fB
 509
 510 \fI\fB
 511
 512 \fBvoid png_push_process_row (png_structp \fIpng_ptr\fP\fB);\fP
 513
 514 \fI\fB
 515
 516 \fI\fB
 517
 518 \fBvoid png_push_read_chunk (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
 519
 520 \fI\fB
 521
 522 \fI\fB
 523
 524 \fBvoid png_push_read_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
 525
 526 \fI\fB
 527
 528 \fI\fB
 529
 530 \fBvoid png_push_read_IDAT (png_structp \fIpng_ptr\fP\fB);\fP
 531
 532 \fI\fB
 533
 534 \fI\fB
 535
 536 \fBvoid png_push_read_sig (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
 537
 538 \fI\fB
 539
 540 \fI\fB
 541
 542 \fBvoid png_push_read_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
 543
 544 \fI\fB
 545
 546 \fI\fB
 547
 548 \fBvoid png_push_read_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
 549
 550 \fI\fB
 551
 552 \fI\fB
 553
 554 \fBvoid png_push_restore_buffer (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_length\fP\fB);\fP
 555
 556 \fI\fB
 557
 558 \fI\fB
 559
 560 \fBvoid png_push_save_buffer (png_structp \fIpng_ptr\fP\fB);\fP
 561
 562 \fI\fB
 563
 564 \fI\fB
 565
 566 \fBvoid png_read_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
 567
 568 \fI\fB
 569
 570 \fBvoid png_read_destroy (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_infop \fIend_info_ptr\fP\fB);\fP
 571
 572 \fI\fB
 573
 574 \fBvoid png_read_filter_row (png_structp \fP\fIpng_ptr\fP\fB, png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIprev_row\fP\fB, int \fIfilter\fP\fB);\fP
 575
 576 \fI\fB
 577
 578 \fI\fB
 579
 580 \fBvoid png_read_finish_row (png_structp \fIpng_ptr\fP\fB);\fP
 581
 582 \fI\fB
 583
 584 \fI\fB
 585
 586 \fBvoid png_read_push_finish_row (png_structp \fIpng_ptr\fP\fB);\fP
 587
 588 \fI\fB
 589
 590 \fI\fB
 591
 592 \fBvoid png_read_start_row (png_structp \fIpng_ptr\fP\fB);\fP
 593
 594 \fI\fB
 595
 596 \fI\fB
 597
 598 \fBvoid png_read_transform_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
 599
 600 \fI\fB
 601
 602 \fI\fB
 603
 604 \fBvoid png_reset_crc (png_structp \fIpng_ptr\fP\fB);\fP
 605
 606 \fI\fB
 607
 608 \fI\fB
 609
 610 \fBint png_set_text_2 (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fItext_ptr\fP\fB, int \fInum_text\fP\fB);\fP
 611
 612 \fI\fB
 613
 614 \fI\fB
 615
 616 \fBvoid png_write_cHRM (png_structp \fP\fIpng_ptr\fP\fB, double \fP\fIwhite_x\fP\fB, double \fP\fIwhite_y\fP\fB, double \fP\fIred_x\fP\fB, double \fP\fIred_y\fP\fB, double \fP\fIgreen_x\fP\fB, double \fP\fIgreen_y\fP\fB, double \fP\fIblue_x\fP\fB, double \fIblue_y\fP\fB);\fP
 617
 618 \fI\fB
 619
 620 \fI\fB
 621
 622 \fBvoid png_write_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwhite_x\fP\fB, png_uint_32 \fP\fIwhite_y\fP\fB, png_uint_32 \fP\fIred_x\fP\fB, png_uint_32 \fP\fIred_y\fP\fB, png_uint_32 \fP\fIgreen_x\fP\fB, png_uint_32 \fP\fIgreen_y\fP\fB, png_uint_32 \fP\fIblue_x\fP\fB, png_uint_32 \fIblue_y\fP\fB);\fP
 623
 624 \fI\fB
 625
 626 \fI\fB
 627
 628 \fBvoid png_write_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
 629
 630 \fI\fB
 631
 632 \fBvoid png_write_destroy (png_structp \fIpng_ptr\fP\fB);\fP
 633
 634 \fI\fB
 635
 636 \fBvoid png_write_filtered_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIfiltered_row\fP\fB);\fP
 637
 638 \fI\fB
 639
 640 \fI\fB
 641
 642 \fBvoid png_write_find_filter (png_structp \fP\fIpng_ptr\fP\fB, png_row_infop \fIrow_info\fP\fB);\fP
 643
 644 \fI\fB
 645
 646 \fI\fB
 647
 648 \fBvoid png_write_finish_row (png_structp \fIpng_ptr\fP\fB);\fP
 649
 650 \fI\fB
 651
 652 \fI\fB
 653
 654 \fBvoid png_write_gAMA (png_structp \fP\fIpng_ptr\fP\fB, double \fIfile_gamma\fP\fB);\fP
 655
 656 \fI\fB
 657
 658 \fI\fB
 659
 660 \fBvoid png_write_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIint_file_gamma\fP\fB);\fP
 661
 662 \fI\fB
 663
 664 \fI\fB
 665
 666 \fBvoid png_write_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_uint_16p \fP\fIhist\fP\fB, int \fInum_hist\fP\fB);\fP
 667
 668 \fI\fB
 669
 670 \fI\fB
 671
 672 \fBvoid png_write_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIname\fP\fB, int \fP\fIcompression_type\fP\fB, png_charp \fP\fIprofile\fP\fB, int \fIproflen\fP\fB);\fP
 673
 674 \fI\fB
 675
 676 \fI\fB
 677
 678 \fBvoid png_write_IDAT (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
 679
 680 \fI\fB
 681
 682 \fI\fB
 683
 684 \fBvoid png_write_IEND (png_structp \fIpng_ptr\fP\fB);\fP
 685
 686 \fI\fB
 687
 688 \fI\fB
 689
 690 \fBvoid png_write_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwidth\fP\fB, png_uint_32 \fP\fIheight\fP\fB, int \fP\fIbit_depth\fP\fB, int \fP\fIcolor_type\fP\fB, int \fP\fIcompression_type\fP\fB, int \fP\fIfilter_type\fP\fB, int \fIinterlace_type\fP\fB);\fP
 691
 692 \fI\fB
 693
 694 \fI\fB
 695
 696 \fBvoid png_write_iTXt (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcompression\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fIlang\fP\fB, png_charp \fP\fItranslated_key\fP\fB, png_charp \fItext\fP\fB);\fP
 697
 698 \fI\fB
 699
 700 \fI\fB
 701
 702 \fBvoid png_write_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIx_offset\fP\fB, png_uint_32 \fP\fIy_offset\fP\fB, int \fIunit_type\fP\fB);\fP
 703
 704 \fI\fB
 705
 706 \fI\fB
 707
 708 \fBvoid png_write_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIpurpose\fP\fB, png_int_32 \fP\fIX0\fP\fB, png_int_32 \fP\fIX1\fP\fB, int \fP\fItype\fP\fB, int \fP\fInparams\fP\fB, png_charp \fP\fIunits\fP\fB, png_charpp \fIparams\fP\fB);\fP
 709
 710 \fI\fB
 711
 712 \fI\fB
 713
 714 \fBvoid png_write_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIx_pixels_per_unit\fP\fB, png_uint_32 \fP\fIy_pixels_per_unit\fP\fB, int \fIunit_type\fP\fB);\fP
 715
 716 \fI\fB
 717
 718 \fI\fB
 719
 720 \fBvoid png_write_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, png_uint_32 \fInum_pal\fP\fB);\fP
 721
 722 \fI\fB
 723
 724 \fI\fB
 725
 726 \fBvoid png_write_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_color_8p \fP\fIsbit\fP\fB, int \fIcolor_type\fP\fB);\fP
 727
 728 \fI\fB
 729
 730 \fI\fB
 731
 732 \fBvoid png_write_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, double \fP\fIwidth\fP\fB, double \fIheight\fP\fB);\fP
 733
 734 \fI\fB
 735
 736 \fI\fB
 737
 738 \fBvoid png_write_sCAL_s (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, png_charp \fP\fIwidth\fP\fB, png_charp \fIheight\fP\fB);\fP
 739
 740 \fI\fB
 741
 742 \fI\fB
 743
 744 \fBvoid png_write_sRGB (png_structp \fP\fIpng_ptr\fP\fB, int \fIintent\fP\fB);\fP
 745
 746 \fI\fB
 747
 748 \fI\fB
 749
 750 \fBvoid png_write_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_spalette_p \fIpalette\fP\fB);\fP
 751
 752 \fI\fB
 753
 754 \fI\fB
 755
 756 \fBvoid png_write_start_row (png_structp \fIpng_ptr\fP\fB);\fP
 757
 758 \fI\fB
 759
 760 \fI\fB
 761
 762 \fBvoid png_write_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fItext\fP\fB, png_size_t \fItext_len\fP\fB);\fP
 763
 764 \fI\fB
 765
 766 \fI\fB
 767
 768 \fBvoid png_write_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_timep \fImod_time\fP\fB);\fP
 769
 770 \fI\fB
 771
 772 \fI\fB
 773
 774 \fBvoid png_write_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fItrans\fP\fB, png_color_16p \fP\fIvalues\fP\fB, int \fP\fInumber\fP\fB, int \fIcolor_type\fP\fB);\fP
 775
 776 \fI\fB
 777
 778 \fI\fB
 779
 780 \fBvoid png_write_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fItext\fP\fB, png_size_t \fP\fItext_len\fP\fB, int \fIcompression\fP\fB);\fP
 781
 782 \fI\fB
 783
 784 \fI\fB
 785
 786 \fBvoidpf png_zalloc (voidpf \fP\fIpng_ptr\fP\fB, uInt \fP\fIitems\fP\fB, uInt \fIsize\fP\fB);\fP
 787
 788 \fI\fB
 789
 790 \fI\fB
 791
 792 \fBvoid png_zfree (voidpf \fP\fIpng_ptr\fP\fB, voidpf \fIptr\fP\fB);\fP
 793
 794 \fI\fB
 795
 796 \fI\fB
 797
 798 .SH DESCRIPTION
 799 The functions listed above are used privately by libpng
 800 and are not recommended for use by applications.  They are
 801 not "exported" to applications using shared libraries.  They
 802 are listed alphabetically here as an aid to libpng maintainers.
 803 See png.h for more information on these functions.
 804
 805 .SH SEE ALSO
 806 .BR "png"(5), " libpng"(3), " zlib"(3), " deflate"(5), " " and " zlib"(5)
 807 .SH AUTHOR
 808 Glenn Randers-Pehrson