LIBPNGPF 3 "December 3, 2004"
NAME
libpng - Portable Network Graphics (PNG) Reference Library 1.2.8
(private functions)
SYNOPSIS
#include <png.h>
void png_build_gamma_table (png_structp png_ptr);
void png_build_grayscale_palette (int bit_depth, png_colorp palette);
void png_calculate_crc (png_structp png_ptr, png_bytep ptr, png_size_t length);
void png_check_chunk_name (png_structp png_ptr, png_bytep chunk_name);
png_size_t png_check_keyword (png_structp png_ptr, png_charp key, png_charpp new_key);
void png_combine_row (png_structp png_ptr, png_bytep row, int mask);
void png_correct_palette (png_structp png_ptr, png_colorp palette, int num_palette);
int png_crc_error (png_structp png_ptr);
int png_crc_finish (png_structp png_ptr, png_uint_32 skip);
void png_crc_read (png_structp png_ptr, png_bytep buf, png_size_t length);
png_voidp png_create_struct (int type);
png_voidp png_create_struct_2 (int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr);
png_charp png_decompress_chunk (png_structp png_ptr, int comp_type, png_charp chunkdata, png_size_t chunklength, png_size_t prefix_length, png_size_t *data_length);
void png_destroy_struct (png_voidp struct_ptr);
void png_destroy_struct_2 (png_voidp struct_ptr, png_free_ptr free_fn, png_voidp mem_ptr);
void png_do_background (png_row_infop row_info, png_bytep row, png_color_16p trans_values, png_color_16p background, png_color_16p background_1, png_bytep gamma_table, png_bytep gamma_from_1, png_bytep gamma_to_1, png_uint_16pp gamma_16, png_uint_16pp gamma_16_from_1, png_uint_16pp gamma_16_to_1, int gamma_shift);
void png_do_bgr (png_row_infop row_info, png_bytep row);
void png_do_chop (png_row_infop row_info, png_bytep row);
void png_do_dither (png_row_infop row_info, png_bytep row, png_bytep palette_lookup, png_bytep dither_lookup);
void png_do_expand (png_row_infop row_info, png_bytep row, png_color_16p trans_value);
void png_do_expand_palette (png_row_infop row_info, png_bytep row, png_colorp palette, png_bytep trans, int num_trans);
void png_do_gamma (png_row_infop row_info, png_bytep row, png_bytep gamma_table, png_uint_16pp gamma_16_table, int gamma_shift);
void png_do_gray_to_rgb (png_row_infop row_info, png_bytep row);
void png_do_invert (png_row_infop row_info, png_bytep row);
void png_do_pack (png_row_infop row_info, png_bytep row, png_uint_32