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fltk 1.3.0rc3
About: FLTK (Fast Light Tool Kit) is a cross-platform C++ GUI toolkit for UNIX/Linux (X11), Microsoft Windows, and MacOS X. Release candidate.
 SfR Fresh Dox: fltk-1.3.0rc3-source.tar.gz ("inofficial" and yet experimental doxygen-generated source code documentation)  |
#include "png.h"
Go to the source code of this file.
| #define isnonalpha | ( | c | ) | ((c) < 65 || (c) > 122 || ((c) > 90 && (c) < 97)) |
Definition at line 2339 of file pngrutil.c.
Referenced by png_check_chunk_name().
| #define PNG_INTERNAL |
Definition at line 17 of file pngrutil.c.
Definition at line 47 of file pngrutil.c.
Referenced by png_handle_sCAL().
| void png_check_chunk_name | ( | png_structp | png_ptr, |
| png_bytep | chunk_name | ||
| ) |
Definition at line 2342 of file pngrutil.c.
References isnonalpha, png_chunk_error(), and png_debug.
Referenced by png_push_read_chunk(), and png_read_chunk_header().
| void png_combine_row | ( | png_structp | png_ptr, |
| png_bytep | row, | ||
| int | mask | ||
| ) |
Definition at line 2364 of file pngrutil.c.
References i, m, png_debug, png_memcpy, row, and value.
Referenced by png_progressive_combine_row(), and png_read_row().
| int png_crc_error | ( | png_structp | png_ptr | ) |
Definition at line 188 of file pngrutil.c.
References png_get_uint_32(), and png_read_data().
Referenced by png_crc_finish(), and png_handle_PLTE().
| int png_crc_finish | ( | png_structp | png_ptr, |
| png_uint_32 | skip | ||
| ) |
Definition at line 151 of file pngrutil.c.
References i, png_chunk_error(), png_chunk_warning(), png_crc_error(), and png_crc_read().
Referenced by png_handle_bKGD(), png_handle_cHRM(), png_handle_gAMA(), png_handle_hIST(), png_handle_iCCP(), png_handle_IEND(), png_handle_IHDR(), png_handle_oFFs(), png_handle_pCAL(), png_handle_pHYs(), png_handle_PLTE(), png_handle_sBIT(), png_handle_sCAL(), png_handle_sPLT(), png_handle_sRGB(), png_handle_tEXt(), png_handle_tIME(), png_handle_tRNS(), png_handle_unknown(), png_handle_zTXt(), png_push_crc_finish(), png_push_read_IDAT(), png_read_end(), png_read_finish_row(), and png_read_row().
| void png_crc_read | ( | png_structp | png_ptr, |
| png_bytep | buf, | ||
| png_size_t | length | ||
| ) |
Definition at line 137 of file pngrutil.c.
References NULL, png_calculate_crc(), and png_read_data().
Referenced by png_crc_finish(), png_handle_bKGD(), png_handle_cHRM(), png_handle_gAMA(), png_handle_hIST(), png_handle_iCCP(), png_handle_IHDR(), png_handle_oFFs(), png_handle_pCAL(), png_handle_pHYs(), png_handle_PLTE(), png_handle_sBIT(), png_handle_sCAL(), png_handle_sPLT(), png_handle_sRGB(), png_handle_tEXt(), png_handle_tIME(), png_handle_tRNS(), png_handle_unknown(), png_handle_zTXt(), png_push_handle_unknown(), png_push_read_chunk(), png_push_read_IDAT(), png_push_read_tEXt(), png_push_read_zTXt(), png_read_finish_row(), and png_read_row().
| void png_decompress_chunk | ( | png_structp | png_ptr, |
| int | comp_type, | ||
| png_size_t | chunklength, | ||
| png_size_t | prefix_size, | ||
| png_size_t * | newlength | ||
| ) |
Definition at line 227 of file pngrutil.c.
References inflate(), inflateReset(), NULL, PNG_COMPRESSION_TYPE_BASE, PNG_CONST, png_error(), png_free(), png_malloc_warn(), png_memcpy, png_sizeof, png_snprintf, png_warning(), Z_BUF_ERROR, Z_DATA_ERROR, Z_OK, Z_PARTIAL_FLUSH, and Z_STREAM_END.
Referenced by png_handle_iCCP(), and png_handle_zTXt().
| void png_do_read_interlace | ( | png_structp | png_ptr | ) |
Definition at line 2570 of file pngrutil.c.
References i, int, NULL, PNG_CONST, png_debug, png_memcpy, png_pass_inc, and row.
Referenced by png_push_process_row().
| png_int_32 PNGAPI png_get_int_32 | ( | png_bytep | buf | ) |
Definition at line 85 of file pngrutil.c.
References i.
Referenced by png_handle_oFFs(), and png_handle_pCAL().
| png_uint_16 PNGAPI png_get_uint_16 | ( | png_bytep | buf | ) |
Definition at line 97 of file pngrutil.c.
References i.
Referenced by png_handle_bKGD(), png_handle_hIST(), png_handle_sPLT(), png_handle_tIME(), and png_handle_tRNS().
| png_uint_32 PNGAPI png_get_uint_31 | ( | png_structp | png_ptr, |
| png_bytep | buf | ||
| ) |
Definition at line 52 of file pngrutil.c.
References i, png_error(), png_get_uint_32(), and PNG_UINT_31_MAX.
Referenced by png_handle_IHDR(), png_push_read_chunk(), png_push_read_IDAT(), png_read_chunk_header(), and png_read_finish_row().
| png_uint_32 PNGAPI png_get_uint_32 | ( | png_bytep | buf | ) |
Definition at line 70 of file pngrutil.c.
References i.
Referenced by png_crc_error(), png_get_uint_31(), png_handle_cHRM(), png_handle_gAMA(), and png_handle_pHYs().
| void png_handle_bKGD | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 1365 of file pngrutil.c.
References buf, NULL, PNG_COLOR_MASK_COLOR, PNG_COLOR_TYPE_PALETTE, png_crc_finish(), png_crc_read(), png_debug, png_error(), png_get_uint_16(), PNG_HAVE_IDAT, PNG_HAVE_IHDR, PNG_HAVE_PLTE, PNG_INFO_bKGD, png_set_bKGD(), and png_warning().
Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().
| void png_handle_cHRM | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 783 of file pngrutil.c.
References blue_x, blue_y, buf, green_x, green_y, NULL, png_crc_finish(), png_crc_read(), png_debug, png_error(), png_get_uint_32(), PNG_HAVE_IDAT, PNG_HAVE_IHDR, PNG_HAVE_PLTE, PNG_INFO_cHRM, PNG_INFO_sRGB, PNG_READ_sRGB_SUPPORTED, png_set_cHRM(), png_set_cHRM_fixed(), png_warning(), red_x, red_y, white_x, and white_y.
Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().
| void png_handle_gAMA | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 636 of file pngrutil.c.
References buf, file_gamma, NULL, png_crc_finish(), png_crc_read(), png_debug, png_error(), png_get_uint_32(), PNG_HAVE_IDAT, PNG_HAVE_IHDR, PNG_HAVE_PLTE, PNG_INFO_gAMA, PNG_INFO_sRGB, PNG_READ_sRGB_SUPPORTED, png_set_gAMA(), png_set_gAMA_fixed(), and png_warning().
Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().
| void png_handle_hIST | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 1454 of file pngrutil.c.
References buf, i, NULL, num, png_crc_finish(), png_crc_read(), png_debug, png_error(), png_get_uint_16(), PNG_HAVE_IDAT, PNG_HAVE_IHDR, PNG_HAVE_PLTE, PNG_INFO_hIST, PNG_MAX_PALETTE_LENGTH, png_set_hIST(), and png_warning().
Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().
| void png_handle_iCCP | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 1005 of file pngrutil.c.
References compression_type, NULL, png_crc_finish(), png_crc_read(), png_debug, png_decompress_chunk(), png_error(), png_free(), PNG_HAVE_IDAT, PNG_HAVE_IHDR, PNG_HAVE_PLTE, PNG_INFO_iCCP, png_malloc(), png_set_iCCP(), png_warning(), and profile.
Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().
| void png_handle_IEND | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 614 of file pngrutil.c.
References info_ptr, PNG_AFTER_IDAT, png_crc_finish(), png_debug, png_error(), PNG_HAVE_IDAT, PNG_HAVE_IEND, PNG_HAVE_IHDR, and png_warning().
Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().
| void png_handle_IHDR | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 398 of file pngrutil.c.
References bit_depth, buf, color_type, compression_type, height, PNG_COLOR_TYPE_GRAY, PNG_COLOR_TYPE_GRAY_ALPHA, PNG_COLOR_TYPE_PALETTE, PNG_COLOR_TYPE_RGB, PNG_COLOR_TYPE_RGB_ALPHA, png_crc_finish(), png_crc_read(), png_debug, png_debug1, png_error(), png_get_uint_31(), PNG_HAVE_IHDR, png_set_IHDR(), and width.
Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().
| void png_handle_oFFs | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 1551 of file pngrutil.c.
References buf, NULL, offset_x, offset_y, png_crc_finish(), png_crc_read(), png_debug, png_error(), png_get_int_32(), PNG_HAVE_IDAT, PNG_HAVE_IHDR, PNG_INFO_oFFs, png_set_oFFs(), png_warning(), and unit_type.
Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().
| void png_handle_pCAL | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 1595 of file pngrutil.c.
References buf, i, int, nparams, NULL, params, png_crc_finish(), png_crc_read(), png_debug, png_debug1, PNG_EQUATION_ARBITRARY, PNG_EQUATION_BASE_E, PNG_EQUATION_HYPERBOLIC, PNG_EQUATION_LAST, PNG_EQUATION_LINEAR, png_error(), png_free(), png_get_int_32(), PNG_HAVE_IDAT, PNG_HAVE_IHDR, PNG_INFO_pCAL, png_malloc_warn(), png_set_pCAL(), png_sizeof, png_warning(), type, units, X0, and X1.
Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().
| void png_handle_pHYs | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 1508 of file pngrutil.c.
References buf, NULL, png_crc_finish(), png_crc_read(), png_debug, png_error(), png_get_uint_32(), PNG_HAVE_IDAT, PNG_HAVE_IHDR, PNG_INFO_pHYs, png_set_pHYs(), png_warning(), res_x, res_y, and unit_type.
Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().
| void png_handle_PLTE | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 472 of file pngrutil.c.
References png_color_struct::blue, buf, png_color_struct::green, i, int, NULL, num, palette, png_chunk_error(), png_chunk_warning(), PNG_COLOR_MASK_COLOR, PNG_COLOR_TYPE_PALETTE, png_crc_error(), png_crc_finish(), png_crc_read(), png_debug, png_error(), PNG_HAVE_IDAT, PNG_HAVE_IHDR, PNG_HAVE_PLTE, PNG_INFO_tRNS, PNG_MAX_PALETTE_LENGTH, png_set_PLTE(), png_warning(), and png_color_struct::red.
Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().
| void png_handle_sBIT | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 717 of file pngrutil.c.
References buf, NULL, PNG_COLOR_MASK_COLOR, PNG_COLOR_TYPE_PALETTE, png_crc_finish(), png_crc_read(), png_debug, png_error(), PNG_HAVE_IDAT, PNG_HAVE_IHDR, PNG_HAVE_PLTE, PNG_INFO_sBIT, png_set_sBIT(), and png_warning().
Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().
| void png_handle_sCAL | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 1729 of file pngrutil.c.
References height, NULL, png_crc_finish(), png_crc_read(), png_debug, png_debug1, png_error(), PNG_FLOATING_POINT_SUPPORTED, png_free(), PNG_HAVE_IDAT, PNG_HAVE_IHDR, PNG_INFO_sCAL, png_malloc_warn(), png_memcpy, png_set_sCAL(), png_strlen, png_strtod, png_warning(), and width.
Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().
| void png_handle_sPLT | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 1125 of file pngrutil.c.
References png_sPLT_struct::depth, png_sPLT_struct::entries, i, png_sPLT_struct::name, png_sPLT_struct::nentries, NULL, png_crc_finish(), png_crc_read(), png_debug, png_error(), png_free(), png_get_uint_16(), PNG_HAVE_IDAT, PNG_HAVE_IHDR, png_malloc(), png_malloc_warn(), png_set_sPLT(), PNG_SIZE_MAX, png_sizeof, and png_warning().
Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().
| void png_handle_sRGB | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 907 of file pngrutil.c.
References buf, intent, NULL, png_crc_finish(), png_crc_read(), png_debug, png_error(), PNG_HAVE_IDAT, PNG_HAVE_IHDR, PNG_HAVE_PLTE, PNG_INFO_cHRM, PNG_INFO_gAMA, PNG_INFO_sRGB, png_set_sRGB_gAMA_and_cHRM(), PNG_sRGB_INTENT_LAST, and png_warning().
Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().
| void png_handle_tEXt | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 1915 of file pngrutil.c.
References key, NULL, PNG_AFTER_IDAT, png_crc_finish(), png_crc_read(), png_debug, png_error(), png_free(), PNG_HAVE_IDAT, PNG_HAVE_IHDR, png_malloc_warn(), png_set_text_2(), png_sizeof, png_strlen, PNG_TEXT_COMPRESSION_NONE, png_warning(), and text_ptr.
Referenced by png_read_end(), and png_read_info().
| void png_handle_tIME | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 1871 of file pngrutil.c.
References buf, png_time_struct::day, png_time_struct::hour, png_time_struct::minute, mod_time, png_time_struct::month, NULL, PNG_AFTER_IDAT, png_crc_finish(), png_crc_read(), png_debug, png_error(), png_get_uint_16(), PNG_HAVE_IDAT, PNG_HAVE_IHDR, PNG_INFO_tIME, png_set_tIME(), png_warning(), png_time_struct::second, and png_time_struct::year.
Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().
| void png_handle_tRNS | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 1270 of file pngrutil.c.
References buf, NULL, PNG_COLOR_TYPE_GRAY, PNG_COLOR_TYPE_PALETTE, PNG_COLOR_TYPE_RGB, png_crc_finish(), png_crc_read(), png_debug, png_error(), png_get_uint_16(), PNG_HAVE_IDAT, PNG_HAVE_IHDR, PNG_HAVE_PLTE, PNG_INFO_tRNS, PNG_MAX_PALETTE_LENGTH, png_set_tRNS(), and png_warning().
Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().
| void png_handle_unknown | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 2239 of file pngrutil.c.
References info_ptr, length, NULL, PNG_AFTER_IDAT, png_chunk_error(), PNG_CONST, png_crc_finish(), png_crc_read(), png_debug, png_free(), png_handle_as_unknown(), PNG_HANDLE_CHUNK_ALWAYS, PNG_HAVE_IDAT, PNG_IDAT, png_malloc(), png_memcmp, png_memcpy, PNG_READ_USER_CHUNKS_SUPPORTED, png_set_unknown_chunks(), png_sizeof, and png_warning().
Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().
| void png_handle_zTXt | ( | png_structp | png_ptr, |
| png_infop | info_ptr, | ||
| png_uint_32 | length | ||
| ) |
Definition at line 2002 of file pngrutil.c.
References NULL, PNG_AFTER_IDAT, png_crc_finish(), png_crc_read(), png_debug, png_decompress_chunk(), png_error(), png_free(), PNG_HAVE_IDAT, PNG_HAVE_IHDR, png_malloc_warn(), png_set_text_2(), png_sizeof, PNG_TEXT_COMPRESSION_zTXt, png_warning(), and text_ptr.
Referenced by png_read_end(), and png_read_info().
| png_uint_32 png_read_chunk_header | ( | png_structp | png_ptr | ) |
Definition at line 110 of file pngrutil.c.
References buf, length, png_calculate_crc(), png_check_chunk_name(), png_debug2, png_get_uint_31(), png_memcpy, png_read_data(), and png_reset_crc().
Referenced by png_read_end(), png_read_info(), and png_read_row().
| void png_read_filter_row | ( | png_structp | png_ptr, |
| png_row_infop | row_info, | ||
| png_bytep | row, | ||
| png_bytep | prev_row, | ||
| int | filter | ||
| ) |
Definition at line 2792 of file pngrutil.c.
References b, i, int, png_debug, png_debug2, PNG_FILTER_VALUE_AVG, PNG_FILTER_VALUE_NONE, PNG_FILTER_VALUE_PAETH, PNG_FILTER_VALUE_SUB, PNG_FILTER_VALUE_UP, png_warning(), and row.
Referenced by png_push_process_row().
| void png_read_finish_row | ( | png_structp | png_ptr | ) |
Definition at line 2916 of file pngrutil.c.
References inflate(), inflateReset(), PNG_AFTER_IDAT, PNG_CONST, png_crc_finish(), png_crc_read(), png_debug, png_error(), png_get_uint_31(), PNG_IDAT, png_memcmp, png_memset_check(), png_pass_inc, png_pass_start, png_pass_yinc, png_pass_ystart, png_read_data(), png_reset_crc(), png_warning(), Z_OK, Z_PARTIAL_FLUSH, and Z_STREAM_END.
Referenced by png_read_row().
| void png_read_start_row | ( | png_structp | png_ptr | ) |
Definition at line 3049 of file pngrutil.c.
References PNG_COLOR_TYPE_GRAY, PNG_COLOR_TYPE_GRAY_ALPHA, PNG_COLOR_TYPE_PALETTE, PNG_COLOR_TYPE_RGB, PNG_COLOR_TYPE_RGB_ALPHA, PNG_CONST, png_debug, png_debug1, png_error(), png_free(), png_init_read_transformations(), png_malloc(), png_memset, png_memset_check(), png_pass_inc, png_pass_start, png_pass_yinc, png_pass_ystart, PNG_READ_EXPAND_SUPPORTED, and PNG_SIZE_MAX.
Referenced by png_read_row(), png_read_update_info(), and png_start_read_image().
1.7.3