png_size_t 687 contrib/libtests/makepng.c png_size_t rowbytes = png_get_rowbytes(png_ptr, info_ptr); png_size_t 826 contrib/libtests/makepng.c static png_size_t png_size_t 896 contrib/libtests/makepng.c png_size_t filelen = load_file(params[1]+1, &profile); png_size_t 911 contrib/libtests/makepng.c png_size_t fake_len = load_fake(params[1], &profile); png_size_t 1006 contrib/libtests/makepng.c png_size_t fake_len = load_fake(param, &data); png_size_t 510 contrib/libtests/pngimage.c png_size_t original_rowbytes; /* of the original rows: */ png_size_t 727 contrib/libtests/pngimage.c png_size_t size) png_size_t 775 contrib/libtests/pngimage.c read_function(png_structp pp, png_bytep data, png_size_t size) png_size_t 1185 contrib/libtests/pngimage.c png_size_t size) png_size_t 1229 contrib/libtests/pngimage.c write_function(png_structp pp, png_bytep data, png_size_t size) png_size_t 556 contrib/libtests/pngstest.c png_size_t input_memory_size; png_size_t 559 contrib/libtests/pngstest.c png_size_t bufsize; png_size_t 560 contrib/libtests/pngstest.c png_size_t allocsize; png_size_t 643 contrib/libtests/pngstest.c png_size_t size = PNG_IMAGE_BUFFER_SIZE(image->image, image->stride); png_size_t 604 contrib/libtests/pngvalid.c png_size_t datacount; /* In this (the last) buffer */ png_size_t 663 contrib/libtests/pngvalid.c png_size_t readpos; /* Position in *next */ png_size_t 665 contrib/libtests/pngvalid.c png_size_t cb_image; /* Size of this buffer */ png_size_t 666 contrib/libtests/pngvalid.c png_size_t cb_row; /* Row size of the image(s) */ png_size_t 674 contrib/libtests/pngvalid.c png_size_t writepos; /* Position in .new */ png_size_t 970 contrib/libtests/pngvalid.c png_size_t coffset = (nImage * ps->image_h + y) * (ps->cb_row + 5) + 2; png_size_t 1005 contrib/libtests/pngvalid.c png_size_t cbRow, png_uint_32 cRows) png_size_t 1007 contrib/libtests/pngvalid.c png_size_t cb = nImages * cRows * (cbRow + 5); png_size_t 1079 contrib/libtests/pngvalid.c png_size_t cbRow = ps->cb_row; png_size_t 1102 contrib/libtests/pngvalid.c store_write(png_structp ppIn, png_bytep pb, png_size_t st) png_size_t 1200 contrib/libtests/pngvalid.c store_read_imp(png_store *ps, png_bytep pb, png_size_t st) png_size_t 1224 contrib/libtests/pngvalid.c store_read(png_structp ppIn, png_bytep pb, png_size_t st) png_size_t 2480 contrib/libtests/pngvalid.c modifier_read_imp(png_modifier *pm, png_bytep pb, png_size_t st) png_size_t 2685 contrib/libtests/pngvalid.c modifier_read(png_structp ppIn, png_bytep pb, png_size_t st) png_size_t 2715 contrib/libtests/pngvalid.c png_size_t cb, cbAvail; png_size_t 63 contrib/libtests/readpng.c png_size_t rowbytes = png_get_rowbytes(png_ptr, info_ptr); png_size_t 111 contrib/libtests/tarith.c png_size_t index; png_size_t 332 contrib/libtests/tarith.c png_size_t index = 0; png_size_t 64 contrib/libtests/timepng.c png_size_t rowbytes = png_get_rowbytes(png_ptr, info_ptr); png_size_t 3609 contrib/tools/pngfix.c png_size_t rowbytes = png_get_rowbytes(png_ptr, info_ptr); png_size_t 409 contrib/visupng/PngFile.c png_read_data(png_structp png_ptr, png_bytep data, png_size_t length) png_size_t 411 contrib/visupng/PngFile.c png_size_t check; png_size_t 416 contrib/visupng/PngFile.c check = (png_size_t)fread(data, (png_size_t)1, length, png_size_t 426 contrib/visupng/PngFile.c png_write_data(png_structp png_ptr, png_bytep data, png_size_t length) png_size_t 26 contrib/visupng/PngFile.h static void png_read_data(png_structp png_ptr, png_bytep data, png_size_t length); png_size_t 27 contrib/visupng/PngFile.h static void png_write_data(png_structp png_ptr, png_bytep data, png_size_t length); png_size_t 260 example.c return(!png_sig_cmp(buf, (png_size_t)0, PNG_BYTES_TO_CHECK)); png_size_t 49 png.c png_sig_cmp(png_const_bytep sig, png_size_t start, png_size_t num_to_check) png_size_t 114 png.c png_calculate_crc(png_structrp png_ptr, png_const_bytep ptr, png_size_t length) png_size_t 399 png.c png_info_init_3,(png_infopp ptr_ptr, png_size_t png_info_struct_size), png_size_t 2581 png.c png_check_fp_number(png_const_charp string, png_size_t size, int *statep, png_size_t 2585 png.c png_size_t i = *whereami; png_size_t 2708 png.c png_check_fp_string(png_const_charp string, png_size_t size) png_size_t 2711 png.c png_size_t char_index=0; png_size_t 2764 png.c png_ascii_from_fp(png_const_structrp png_ptr, png_charp ascii, png_size_t size, png_size_t 3079 png.c png_size_t size, png_fixed_point fp) png_size_t 707 png.h png_size_t text_length; /* length of the text string */ png_size_t 708 png.h png_size_t itxt_length; /* length of the itxt string */ png_size_t 761 png.h png_size_t size; png_size_t 786 png.h #define PNG_SIZE_MAX ((png_size_t)(-1)) png_size_t 891 png.h png_size_t rowbytes; /* number of bytes in row */ png_size_t 1045 png.h PNG_EXPORT(3, int, png_sig_cmp, (png_const_bytep sig, png_size_t start, png_size_t 1046 png.h png_size_t num_to_check)); png_size_t 1065 png.h PNG_EXPORT(6, png_size_t, png_get_compression_buffer_size, png_size_t 1069 png.h png_size_t size)); png_size_t 1122 png.h chunk_name, png_const_bytep data, png_size_t length)); png_size_t 1130 png.h png_const_bytep data, png_size_t length)); png_size_t 1144 png.h png_size_t png_info_struct_size), PNG_DEPRECATED); png_size_t 1846 png.h png_inforp info_ptr, png_bytep buffer, png_size_t buffer_size)); png_size_t 1855 png.h PNG_EXPORT(219, png_size_t, png_process_data_pause, (png_structrp, int save)); png_size_t 1999 png.h PNG_EXPORT(111, png_size_t, png_get_rowbytes, (png_const_structrp png_ptr, png_size_t 3112 png.h png_const_voidp memory, png_size_t size)); png_size_t 578 pngconf.h typedef png_size_t png_alloc_size_t; png_size_t 614 pngconf.h typedef png_size_t * png_size_tp; png_size_t 615 pngconf.h typedef const png_size_t * png_const_size_tp; png_size_t 29 pngget.c png_size_t PNGAPI png_size_t 1117 pngget.c png_size_t PNGAPI png_size_t 62 pnginfo.h png_size_t rowbytes; /* bytes needed to hold an untransformed row */ png_size_t 38 pngpread.c png_bytep buffer, png_size_t buffer_size) png_size_t 51 pngpread.c png_size_t PNGAPI png_size_t 64 pngpread.c png_size_t remaining = png_ptr->buffer_size; png_size_t 161 pngpread.c png_size_t num_checked = png_ptr->sig_bytes, /* SAFE, does not exceed 8 */ png_size_t 454 pngpread.c png_size_t save_size = png_ptr->save_buffer_size; png_size_t 464 pngpread.c save_size = (png_size_t)skip_length; png_size_t 478 pngpread.c png_size_t save_size = png_ptr->current_buffer_size; png_size_t 485 pngpread.c save_size = (png_size_t)skip_length; png_size_t 506 pngpread.c png_push_fill_buffer(png_structp png_ptr, png_bytep buffer, png_size_t length) png_size_t 516 pngpread.c png_size_t save_size; png_size_t 533 pngpread.c png_size_t save_size; png_size_t 555 pngpread.c png_size_t i, istop; png_size_t 570 pngpread.c png_size_t new_max; png_size_t 582 pngpread.c (png_size_t)new_max); png_size_t 607 pngpread.c png_size_t buffer_length) png_size_t 647 pngpread.c png_size_t save_size = png_ptr->save_buffer_size; png_size_t 657 pngpread.c save_size = (png_size_t)idat_size; png_size_t 674 pngpread.c png_size_t save_size = png_ptr->current_buffer_size; png_size_t 683 pngpread.c save_size = (png_size_t)idat_size; png_size_t 709 pngpread.c png_size_t buffer_length) png_size_t 662 pngpriv.h ((png_size_t)(width) * (((png_size_t)(pixel_bits)) >> 3)) : \ png_size_t 663 pngpriv.h (( ((png_size_t)(width) * ((png_size_t)(pixel_bits))) + 7) >> 3) ) png_size_t 958 pngpriv.h png_bytep data, png_size_t length),PNG_EMPTY); png_size_t 962 pngpriv.h png_bytep buffer, png_size_t length),PNG_EMPTY); png_size_t 966 pngpriv.h png_bytep data, png_size_t length),PNG_EMPTY); png_size_t 980 pngpriv.h png_const_bytep data, png_size_t length),PNG_EMPTY); png_size_t 992 pngpriv.h png_size_t length),PNG_EMPTY); png_size_t 1010 pngpriv.h png_const_bytep ptr, png_size_t length),PNG_EMPTY); png_size_t 1088 pngpriv.h png_const_charp key, png_const_charp text, png_size_t text_len),PNG_EMPTY); png_size_t 1418 pngpriv.h png_bytep buffer, png_size_t buffer_length),PNG_EMPTY); png_size_t 1421 pngpriv.h png_bytep buffer, png_size_t buffer_length),PNG_EMPTY); png_size_t 1689 pngpriv.h png_charp ascii, png_size_t size, double fp, unsigned int precision), png_size_t 1695 pngpriv.h png_charp ascii, png_size_t size, png_fixed_point fp),PNG_EMPTY); png_size_t 1788 pngpriv.h png_size_t size, int *statep, png_size_tp whereami),PNG_EMPTY); png_size_t 1797 pngpriv.h png_size_t size),PNG_EMPTY); png_size_t 1872 pngpriv.h png_size_t size; /* Size of the memory buffer. */ png_size_t 1496 pngread.c png_image_memory_read(png_structp png_ptr, png_bytep out, png_size_t need) png_size_t 1507 pngread.c png_size_t size = cp->size; png_size_t 1526 pngread.c png_const_voidp memory, png_size_t size) png_size_t 32 pngrio.c png_read_data(png_structrp png_ptr, png_bytep data, png_size_t length) png_size_t 50 pngrio.c png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length) png_size_t 52 pngrio.c png_size_t check; png_size_t 743 pngrtran.c png_size_t num_entries = ((png_size_t)1 << total_bits); png_size_t 2147 pngrtran.c png_bytep sp = row + (png_size_t)((row_width - 1) >> 3); png_size_t 2148 pngrtran.c png_bytep dp = row + (png_size_t)row_width - 1; png_size_t 2171 pngrtran.c png_bytep sp = row + (png_size_t)((row_width - 1) >> 2); png_size_t 2172 pngrtran.c png_bytep dp = row + (png_size_t)row_width - 1; png_size_t 2194 pngrtran.c png_bytep sp = row + (png_size_t)((row_width - 1) >> 1); png_size_t 2195 pngrtran.c png_bytep dp = row + (png_size_t)row_width - 1; png_size_t 2677 pngrtran.c png_bytep sp = row + (png_size_t)row_width; png_size_t 2678 pngrtran.c png_bytep dp = sp + (png_size_t)row_width; png_size_t 2693 pngrtran.c png_bytep sp = row + (png_size_t)row_width; png_size_t 2694 pngrtran.c png_bytep dp = sp + (png_size_t)row_width; png_size_t 2712 pngrtran.c png_bytep sp = row + (png_size_t)row_width * 2; png_size_t 2713 pngrtran.c png_bytep dp = sp + (png_size_t)row_width * 2; png_size_t 2731 pngrtran.c png_bytep sp = row + (png_size_t)row_width * 2; png_size_t 2732 pngrtran.c png_bytep dp = sp + (png_size_t)row_width * 2; png_size_t 2754 pngrtran.c png_bytep sp = row + (png_size_t)row_width * 3; png_size_t 2755 pngrtran.c png_bytep dp = sp + (png_size_t)row_width; png_size_t 2772 pngrtran.c png_bytep sp = row + (png_size_t)row_width * 3; png_size_t 2773 pngrtran.c png_bytep dp = sp + (png_size_t)row_width; png_size_t 2793 pngrtran.c png_bytep sp = row + (png_size_t)row_width * 6; png_size_t 2794 pngrtran.c png_bytep dp = sp + (png_size_t)row_width * 2; png_size_t 2816 pngrtran.c png_bytep sp = row + (png_size_t)row_width * 6; png_size_t 2817 pngrtran.c png_bytep dp = sp + (png_size_t)row_width * 2; png_size_t 2858 pngrtran.c png_bytep sp = row + (png_size_t)row_width - 1; png_size_t 2859 pngrtran.c png_bytep dp = sp + (png_size_t)row_width * 2; png_size_t 2871 pngrtran.c png_bytep sp = row + (png_size_t)row_width * 2 - 1; png_size_t 2872 pngrtran.c png_bytep dp = sp + (png_size_t)row_width * 4; png_size_t 2890 pngrtran.c png_bytep sp = row + (png_size_t)row_width * 2 - 1; png_size_t 2891 pngrtran.c png_bytep dp = sp + (png_size_t)row_width * 2; png_size_t 2904 pngrtran.c png_bytep sp = row + (png_size_t)row_width * 4 - 1; png_size_t 2905 pngrtran.c png_bytep dp = sp + (png_size_t)row_width * 4; png_size_t 4208 pngrtran.c sp = row + (png_size_t)((row_width - 1) >> 3); png_size_t 4209 pngrtran.c dp = row + (png_size_t)row_width - 1; png_size_t 4235 pngrtran.c sp = row + (png_size_t)((row_width - 1) >> 2); png_size_t 4236 pngrtran.c dp = row + (png_size_t)row_width - 1; png_size_t 4258 pngrtran.c sp = row + (png_size_t)((row_width - 1) >> 1); png_size_t 4259 pngrtran.c dp = row + (png_size_t)row_width - 1; png_size_t 4292 pngrtran.c sp = row + (png_size_t)row_width - 1; png_size_t 4293 pngrtran.c dp = row + (png_size_t)(row_width << 2) - 1; png_size_t 4317 pngrtran.c sp = row + (png_size_t)row_width - 1; png_size_t 4318 pngrtran.c dp = row + (png_size_t)(row_width * 3) - 1; png_size_t 4365 pngrtran.c sp = row + (png_size_t)((row_width - 1) >> 3); png_size_t 4366 pngrtran.c dp = row + (png_size_t)row_width - 1; png_size_t 4393 pngrtran.c sp = row + (png_size_t)((row_width - 1) >> 2); png_size_t 4394 pngrtran.c dp = row + (png_size_t)row_width - 1; png_size_t 4418 pngrtran.c sp = row + (png_size_t)((row_width - 1) >> 1); png_size_t 4419 pngrtran.c dp = row + (png_size_t)row_width - 1; png_size_t 4453 pngrtran.c sp = row + (png_size_t)row_width - 1; png_size_t 4454 pngrtran.c dp = row + (png_size_t)(row_width << 1) - 1; png_size_t 4507 pngrtran.c sp = row + (png_size_t)row_info->rowbytes - 1; png_size_t 4508 pngrtran.c dp = row + (png_size_t)(row_width << 2) - 1; png_size_t 4531 pngrtran.c dp = row + (png_size_t)(row_width << 3) - 1; png_size_t 117 pngrutil.c png_size_t num_checked, num_to_check; png_size_t 1582 pngrutil.c png_size_t max_dl; png_size_t 2227 pngrutil.c png_size_t i; png_size_t 2297 pngrutil.c png_size_t heighti = i; png_size_t 2727 pngrutil.c png_ptr->unknown_chunk.size = (png_size_t)length/*SAFE*/; png_size_t 3499 pngrutil.c png_bytep sp = row + (png_size_t)((row_info->width - 1) >> 3); png_size_t 3500 pngrutil.c png_bytep dp = row + (png_size_t)((final_width - 1) >> 3); png_size_t 3624 pngrutil.c png_bytep sp = row + (png_size_t)((row_info->width - 1) >> 1); png_size_t 3625 pngrutil.c png_bytep dp = row + (png_size_t)((final_width - 1) >> 1); png_size_t 3686 pngrutil.c png_size_t pixel_bytes = (row_info->pixel_depth >> 3); png_size_t 3688 pngrutil.c png_bytep sp = row + (png_size_t)(row_info->width - 1) png_size_t 3691 pngrutil.c png_bytep dp = row + (png_size_t)(final_width - 1) * pixel_bytes; png_size_t 3728 pngrutil.c png_size_t i; png_size_t 3729 pngrutil.c png_size_t istop = row_info->rowbytes; png_size_t 3746 pngrutil.c png_size_t i; png_size_t 3747 pngrutil.c png_size_t istop = row_info->rowbytes; png_size_t 3762 pngrutil.c png_size_t i; png_size_t 3766 pngrutil.c png_size_t istop = row_info->rowbytes - bpp; png_size_t 4196 pngrutil.c png_size_t row_bytes; png_size_t 267 pngset.c png_size_t length; png_size_t 328 pngset.c (png_size_t)((nparams + 1) * (sizeof (png_charp))))); png_size_t 365 pngset.c png_size_t lengthw = 0, lengthh = 0; png_size_t 617 pngset.c png_size_t length; png_size_t 938 pngset.c memcpy(info_ptr->trans_alpha, trans_alpha, (png_size_t)num_trans); png_size_t 1010 pngset.c png_size_t length; png_size_t 1458 pngset.c png_set_compression_buffer_size(png_structrp png_ptr, png_size_t size) png_size_t 218 pngstruct.h png_size_t rowbytes; /* size of row in bytes */ png_size_t 234 pngstruct.h png_size_t info_rowbytes; /* Added in 1.5.4: cache of updated row bytes */ png_size_t 327 pngstruct.h png_size_t save_buffer_size; /* amount of data now in save_buffer */ png_size_t 328 pngstruct.h png_size_t save_buffer_max; /* total size of save_buffer */ png_size_t 329 pngstruct.h png_size_t buffer_size; /* total amount of available input data */ png_size_t 330 pngstruct.h png_size_t current_buffer_size; /* amount of data now in current_buffer */ png_size_t 460 pngstruct.h png_size_t old_big_row_buf_size; png_size_t 327 pngtest.c pngtest_check_io_state(png_structp png_ptr, png_size_t data_length, png_size_t 330 pngtest.c pngtest_check_io_state(png_structp png_ptr, png_size_t data_length, png_size_t 368 pngtest.c pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length) png_size_t 370 pngtest.c png_size_t check = 0; png_size_t 407 pngtest.c pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length) png_size_t 409 pngtest.c png_size_t check; png_size_t 1607 pngtest.c png_size_t num_in, num_out; png_size_t 271 pngtrans.c png_size_t i; png_size_t 272 pngtrans.c png_size_t istop = row_info->rowbytes; png_size_t 285 pngtrans.c png_size_t i; png_size_t 286 pngtrans.c png_size_t istop = row_info->rowbytes; png_size_t 300 pngtrans.c png_size_t i; png_size_t 301 pngtrans.c png_size_t istop = row_info->rowbytes; png_size_t 33 pngwio.c png_write_data(png_structrp png_ptr, png_const_bytep data, png_size_t length) png_size_t 51 pngwio.c png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length) png_size_t 53 pngwio.c png_size_t check; png_size_t 213 pngwtran.c png_size_t i; png_size_t 215 pngwtran.c png_size_t row_bytes = row_info->rowbytes; png_size_t 62 pngwutil.c (png_size_t)(8 - png_ptr->sig_bytes)); png_size_t 128 pngwutil.c png_size_t length) png_size_t 163 pngwutil.c png_write_data(png_ptr, buf, (png_size_t)4); png_size_t 177 pngwutil.c png_const_bytep data, png_size_t length) png_size_t 194 pngwutil.c png_const_bytep data, png_size_t length) png_size_t 903 pngwutil.c png_write_complete_chunk(png_ptr, png_IHDR, buf, (png_size_t)13); png_size_t 969 pngwutil.c png_write_chunk_data(png_ptr, buf, (png_size_t)3); png_size_t 983 pngwutil.c png_write_chunk_data(png_ptr, buf, (png_size_t)3); png_size_t 1153 pngwutil.c png_write_complete_chunk(png_ptr, png_IEND, NULL, (png_size_t)0); png_size_t 1168 pngwutil.c png_write_complete_chunk(png_ptr, png_gAMA, buf, (png_size_t)4); png_size_t 1186 pngwutil.c png_write_complete_chunk(png_ptr, png_sRGB, buf, (png_size_t)1); png_size_t 1260 pngwutil.c png_size_t entry_size = (spalette->depth == 8 ? 6 : 10); png_size_t 1261 pngwutil.c png_size_t palette_size = entry_size * spalette->nentries; png_size_t 1279 pngwutil.c (png_size_t)(name_len + 1)); png_size_t 1281 pngwutil.c png_write_chunk_data(png_ptr, &spalette->depth, (png_size_t)1); png_size_t 1343 pngwutil.c png_size_t size; png_size_t 1443 pngwutil.c (png_size_t)num_trans); png_size_t 1458 pngwutil.c png_write_complete_chunk(png_ptr, png_tRNS, buf, (png_size_t)2); png_size_t 1478 pngwutil.c png_write_complete_chunk(png_ptr, png_tRNS, buf, (png_size_t)6); png_size_t 1511 pngwutil.c png_write_complete_chunk(png_ptr, png_bKGD, buf, (png_size_t)1); png_size_t 1531 pngwutil.c png_write_complete_chunk(png_ptr, png_bKGD, buf, (png_size_t)6); png_size_t 1545 pngwutil.c png_write_complete_chunk(png_ptr, png_bKGD, buf, (png_size_t)2); png_size_t 1574 pngwutil.c png_write_chunk_data(png_ptr, buf, (png_size_t)2); png_size_t 1585 pngwutil.c png_size_t text_len) png_size_t 1682 pngwutil.c png_size_t lang_len, lang_key_len; png_size_t 1792 pngwutil.c png_write_complete_chunk(png_ptr, png_oFFs, buf, (png_size_t)9); png_size_t 1803 pngwutil.c png_size_t units_len, total_len; png_size_t 1827 pngwutil.c (png_alloc_size_t)(nparams * (sizeof (png_size_t)))); png_size_t 1847 pngwutil.c png_write_chunk_data(png_ptr, buf, (png_size_t)10); png_size_t 1848 pngwutil.c png_write_chunk_data(png_ptr, (png_const_bytep)units, (png_size_t)units_len); png_size_t 1867 pngwutil.c png_size_t wlen, hlen, total_len; png_size_t 1908 pngwutil.c png_write_complete_chunk(png_ptr, png_pHYs, buf, (png_size_t)9); png_size_t 1938 pngwutil.c png_write_complete_chunk(png_ptr, png_tIME, buf, (png_size_t)7); png_size_t 2119 pngwutil.c (png_size_t)(PNG_ROWBYTES(png_ptr->usr_channels* png_size_t 2176 pngwutil.c sp = row + (png_size_t)(i >> 3); png_size_t 2214 pngwutil.c sp = row + (png_size_t)(i >> 2); png_size_t 2250 pngwutil.c sp = row + (png_size_t)(i >> 1); png_size_t 2276 pngwutil.c png_size_t pixel_bytes; png_size_t 2289 pngwutil.c sp = row + (png_size_t)i * pixel_bytes; png_size_t 2319 pngwutil.c png_size_t row_bytes); png_size_t 2333 pngwutil.c png_size_t row_bytes = row_info->rowbytes; png_size_t 2390 pngwutil.c png_size_t i; png_size_t 2445 pngwutil.c png_size_t i; png_size_t 2466 pngwutil.c png_size_t i; png_size_t 2571 pngwutil.c png_size_t i; png_size_t 2587 pngwutil.c png_size_t i; png_size_t 2701 pngwutil.c png_size_t i; png_size_t 2802 pngwutil.c png_size_t i; png_size_t 2842 pngwutil.c png_size_t i; png_size_t 2998 pngwutil.c png_size_t full_row_length/*includes filter byte*/)