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png.h File Reference

#include "zlib//zlib.h"
#include "pngconf.h"

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Compounds

struct png_color_16_struct

struct png_color_8_struct

struct png_color_struct

struct png_info_struct

struct png_row_info_struct

struct png_sPLT_entry_struct

struct png_sPLT_struct

struct png_struct_def

struct png_text_struct

struct png_time_struct

struct png_unknown_chunk_t

Defines

#define PNG_LIBPNG_VER_STRING   "1.2.7"

#define PNG_HEADER_VERSION_STRING   " libpng version 1.2.7 - September 12, 2004 (header)\n"

#define PNG_LIBPNG_VER_SONUM   0

#define PNG_LIBPNG_VER_DLLNUM   %DLLNUM%

#define PNG_LIBPNG_VER_MAJOR   1

#define PNG_LIBPNG_VER_MINOR   2

#define PNG_LIBPNG_VER_RELEASE   7

#define PNG_LIBPNG_VER_BUILD   0

#define PNG_LIBPNG_BUILD_ALPHA   1

#define PNG_LIBPNG_BUILD_BETA   2

#define PNG_LIBPNG_BUILD_RC   3

#define PNG_LIBPNG_BUILD_STABLE   4

#define PNG_LIBPNG_BUILD_TYPEMASK   7

#define PNG_LIBPNG_BUILD_PATCH   8

#define PNG_LIBPNG_BUILD_TYPE   4

#define PNG_LIBPNG_VER   10207

#define int_p_NULL   (int *)NULL

#define png_bytep_NULL   (png_bytep)NULL

#define png_bytepp_NULL   (png_bytepp)NULL

#define png_doublep_NULL   (png_doublep)NULL

#define png_error_ptr_NULL   (png_error_ptr)NULL

#define png_flush_ptr_NULL   (png_flush_ptr)NULL

#define png_free_ptr_NULL   (png_free_ptr)NULL

#define png_infopp_NULL   (png_infopp)NULL

#define png_malloc_ptr_NULL   (png_malloc_ptr)NULL

#define png_read_status_ptr_NULL   (png_read_status_ptr)NULL

#define png_rw_ptr_NULL   (png_rw_ptr)NULL

#define png_structp_NULL   (png_structp)NULL

#define png_uint_16p_NULL   (png_uint_16p)NULL

#define png_voidp_NULL   (png_voidp)NULL

#define png_write_status_ptr_NULL   (png_write_status_ptr)NULL

#define PNG_TEXT_COMPRESSION_NONE_WR   -3

#define PNG_TEXT_COMPRESSION_zTXt_WR   -2

#define PNG_TEXT_COMPRESSION_NONE   -1

#define PNG_TEXT_COMPRESSION_zTXt   0

#define PNG_ITXT_COMPRESSION_NONE   1

#define PNG_ITXT_COMPRESSION_zTXt   2

#define PNG_TEXT_COMPRESSION_LAST   3

#define PNG_UINT_31_MAX   ((png_uint_32)0x7fffffffL)

#define PNG_UINT_32_MAX   (~((png_uint_32)0))

#define PNG_SIZE_MAX   (~((png_size_t)0))

#define PNG_MAX_UINT   PNG_UINT_31_MAX

#define PNG_COLOR_MASK_PALETTE   1

#define PNG_COLOR_MASK_COLOR   2

#define PNG_COLOR_MASK_ALPHA   4

#define PNG_COLOR_TYPE_GRAY   0

#define PNG_COLOR_TYPE_PALETTE   (PNG_COLOR_MASK_COLOR | PNG_COLOR_MASK_PALETTE)

#define PNG_COLOR_TYPE_RGB   (PNG_COLOR_MASK_COLOR)

#define PNG_COLOR_TYPE_RGB_ALPHA   (PNG_COLOR_MASK_COLOR | PNG_COLOR_MASK_ALPHA)

#define PNG_COLOR_TYPE_GRAY_ALPHA   (PNG_COLOR_MASK_ALPHA)

#define PNG_COLOR_TYPE_RGBA   PNG_COLOR_TYPE_RGB_ALPHA

#define PNG_COLOR_TYPE_GA   PNG_COLOR_TYPE_GRAY_ALPHA

#define PNG_COMPRESSION_TYPE_BASE   0

#define PNG_COMPRESSION_TYPE_DEFAULT   PNG_COMPRESSION_TYPE_BASE

#define PNG_FILTER_TYPE_BASE   0

#define PNG_INTRAPIXEL_DIFFERENCING   64

#define PNG_FILTER_TYPE_DEFAULT   PNG_FILTER_TYPE_BASE

#define PNG_INTERLACE_NONE   0

#define PNG_INTERLACE_ADAM7   1

#define PNG_INTERLACE_LAST   2

#define PNG_OFFSET_PIXEL   0

#define PNG_OFFSET_MICROMETER   1

#define PNG_OFFSET_LAST   2

#define PNG_EQUATION_LINEAR   0

#define PNG_EQUATION_BASE_E   1

#define PNG_EQUATION_ARBITRARY   2

#define PNG_EQUATION_HYPERBOLIC   3

#define PNG_EQUATION_LAST   4

#define PNG_SCALE_UNKNOWN   0

#define PNG_SCALE_METER   1

#define PNG_SCALE_RADIAN   2

#define PNG_SCALE_LAST   3

#define PNG_RESOLUTION_UNKNOWN   0

#define PNG_RESOLUTION_METER   1

#define PNG_RESOLUTION_LAST   2

#define PNG_sRGB_INTENT_PERCEPTUAL   0

#define PNG_sRGB_INTENT_RELATIVE   1

#define PNG_sRGB_INTENT_SATURATION   2

#define PNG_sRGB_INTENT_ABSOLUTE   3

#define PNG_sRGB_INTENT_LAST   4

#define PNG_KEYWORD_MAX_LENGTH   79

#define PNG_MAX_PALETTE_LENGTH   256

#define PNG_INFO_gAMA   0x0001

#define PNG_INFO_sBIT   0x0002

#define PNG_INFO_cHRM   0x0004

#define PNG_INFO_PLTE   0x0008

#define PNG_INFO_tRNS   0x0010

#define PNG_INFO_bKGD   0x0020

#define PNG_INFO_hIST   0x0040

#define PNG_INFO_pHYs   0x0080

#define PNG_INFO_oFFs   0x0100

#define PNG_INFO_tIME   0x0200

#define PNG_INFO_pCAL   0x0400

#define PNG_INFO_sRGB   0x0800

#define PNG_INFO_iCCP   0x1000

#define PNG_INFO_sPLT   0x2000

#define PNG_INFO_sCAL   0x4000

#define PNG_INFO_IDAT   0x8000L

#define PNG_TRANSFORM_IDENTITY   0x0000

#define PNG_TRANSFORM_STRIP_16   0x0001

#define PNG_TRANSFORM_STRIP_ALPHA   0x0002

#define PNG_TRANSFORM_PACKING   0x0004

#define PNG_TRANSFORM_PACKSWAP   0x0008

#define PNG_TRANSFORM_EXPAND   0x0010

#define PNG_TRANSFORM_INVERT_MONO   0x0020

#define PNG_TRANSFORM_SHIFT   0x0040

#define PNG_TRANSFORM_BGR   0x0080

#define PNG_TRANSFORM_SWAP_ALPHA   0x0100

#define PNG_TRANSFORM_SWAP_ENDIAN   0x0200

#define PNG_TRANSFORM_INVERT_ALPHA   0x0400

#define PNG_TRANSFORM_STRIP_FILLER   0x0800

#define PNG_FLAG_MNG_EMPTY_PLTE   0x01

#define PNG_FLAG_MNG_FILTER_64   0x04

#define PNG_ALL_MNG_FEATURES   0x05

#define png_info_init(info_ptr)

#define PNG_FILLER_BEFORE   0

#define PNG_FILLER_AFTER   1

#define PNG_BACKGROUND_GAMMA_UNKNOWN   0

#define PNG_BACKGROUND_GAMMA_SCREEN   1

#define PNG_BACKGROUND_GAMMA_FILE   2

#define PNG_BACKGROUND_GAMMA_UNIQUE   3

#define PNG_CRC_DEFAULT   0

#define PNG_CRC_ERROR_QUIT   1

#define PNG_CRC_WARN_DISCARD   2

#define PNG_CRC_WARN_USE   3

#define PNG_CRC_QUIET_USE   4

#define PNG_CRC_NO_CHANGE   5

#define PNG_NO_FILTERS   0x00

#define PNG_FILTER_NONE   0x08

#define PNG_FILTER_SUB   0x10

#define PNG_FILTER_UP   0x20

#define PNG_FILTER_AVG   0x40

#define PNG_FILTER_PAETH   0x80

#define PNG_ALL_FILTERS

#define PNG_FILTER_VALUE_NONE   0

#define PNG_FILTER_VALUE_SUB   1

#define PNG_FILTER_VALUE_UP   2

#define PNG_FILTER_VALUE_AVG   3

#define PNG_FILTER_VALUE_PAETH   4

#define PNG_FILTER_VALUE_LAST   5

#define PNG_FILTER_HEURISTIC_DEFAULT   0

#define PNG_FILTER_HEURISTIC_UNWEIGHTED   1

#define PNG_FILTER_HEURISTIC_WEIGHTED   2

#define PNG_FILTER_HEURISTIC_LAST   3

#define PNG_DESTROY_WILL_FREE_DATA   1

#define PNG_SET_WILL_FREE_DATA   1

#define PNG_USER_WILL_FREE_DATA   2

#define PNG_FREE_HIST   0x0008

#define PNG_FREE_ICCP   0x0010

#define PNG_FREE_SPLT   0x0020

#define PNG_FREE_ROWS   0x0040

#define PNG_FREE_PCAL   0x0080

#define PNG_FREE_SCAL   0x0100

#define PNG_FREE_UNKN   0x0200

#define PNG_FREE_LIST   0x0400

#define PNG_FREE_PLTE   0x1000

#define PNG_FREE_TRNS   0x2000

#define PNG_FREE_TEXT   0x4000

#define PNG_FREE_ALL   0x7fff

#define PNG_FREE_MUL   0x4220

#define png_debug(l, m)

#define png_debug1(l, m, p1)

#define png_debug2(l, m, p1, p2)

#define PNG_HANDLE_CHUNK_AS_DEFAULT   0

#define PNG_HANDLE_CHUNK_NEVER   1

#define PNG_HANDLE_CHUNK_IF_SAFE   2

#define PNG_HANDLE_CHUNK_ALWAYS   3

#define PNG_ASM_FLAG_MMX_SUPPORT_COMPILED   0x01

#define PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU   0x02

#define PNG_ASM_FLAG_MMX_READ_COMBINE_ROW   0x04

#define PNG_ASM_FLAG_MMX_READ_INTERLACE   0x08

#define PNG_ASM_FLAG_MMX_READ_FILTER_SUB   0x10

#define PNG_ASM_FLAG_MMX_READ_FILTER_UP   0x20

#define PNG_ASM_FLAG_MMX_READ_FILTER_AVG   0x40

#define PNG_ASM_FLAG_MMX_READ_FILTER_PAETH   0x80

#define PNG_ASM_FLAGS_INITIALIZED   0x80000000

#define PNG_MMX_READ_FLAGS

#define PNG_MMX_WRITE_FLAGS   ( 0 )

#define PNG_MMX_FLAGS

#define PNG_SELECT_READ   1

#define PNG_SELECT_WRITE   2

#define png_composite(composite, fg, alpha, bg)

#define png_composite_16(composite, fg, alpha, bg)

Typedefs

typedef png_color_struct png_color

typedef png_color * png_colorp

typedef png_color ** png_colorpp

typedef png_color_16_struct png_color_16

typedef png_color_16 * png_color_16p

typedef png_color_16 ** png_color_16pp

typedef png_color_8_struct png_color_8

typedef png_color_8 * png_color_8p

typedef png_color_8 ** png_color_8pp

typedef png_sPLT_entry_struct png_sPLT_entry

typedef png_sPLT_entry * png_sPLT_entryp

typedef png_sPLT_entry ** png_sPLT_entrypp

typedef png_sPLT_struct png_sPLT_t

typedef png_sPLT_t * png_sPLT_tp

typedef png_sPLT_t ** png_sPLT_tpp

typedef png_text_struct png_text

typedef png_text * png_textp

typedef png_text ** png_textpp

typedef png_time_struct png_time

typedef png_time * png_timep

typedef png_time ** png_timepp

typedef png_unknown_chunk_t png_unknown_chunk

typedef png_unknown_chunk * png_unknown_chunkp

typedef png_unknown_chunk ** png_unknown_chunkpp

typedef png_info_struct png_info

typedef png_info * png_infop

typedef png_info ** png_infopp

typedef png_row_info_struct png_row_info

typedef png_row_info * png_row_infop

typedef png_row_info ** png_row_infopp

typedef png_struct_def png_struct

typedef png_struct * png_structp

typedef void(* png_error_ptr )(png_structp, png_const_charp)

typedef void(* png_rw_ptr )(png_structp, png_bytep, png_size_t)

typedef void(* png_flush_ptr )(png_structp)

typedef void(* png_read_status_ptr )(png_structp, png_uint_32, int)

typedef void(* png_write_status_ptr )(png_structp, png_uint_32, int)

typedef void(* png_progressive_info_ptr )(png_structp, png_infop)

typedef void(* png_progressive_end_ptr )(png_structp, png_infop)

typedef void(* png_progressive_row_ptr )(png_structp, png_bytep, png_uint_32, int)

typedef void(* png_user_transform_ptr )(png_structp, png_row_infop, png_bytep)

typedef int(* png_user_chunk_ptr )(png_structp, png_unknown_chunkp)

typedef void(* png_unknown_chunk_ptr )(png_structp)

typedef png_voidp(* png_malloc_ptr )(png_structp, png_size_t)

typedef void(* png_free_ptr )(png_structp, png_voidp)

typedef png_structp version_1_2_7

typedef png_struct ** png_structpp

Functions

png_uint_32 png_access_version_number (void)

void png_set_sig_bytes (png_structp png_ptr, int num_bytes)

int png_sig_cmp (png_bytep sig, png_size_t start, png_size_t num_to_check)

int png_check_sig (png_bytep sig, int num)

png_structp png_create_read_struct (png_const_charp user_png_ver, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warn_fn)

png_structp png_create_write_struct (png_const_charp user_png_ver, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warn_fn)

png_uint_32 png_get_compression_buffer_size (png_structp png_ptr)

void png_set_compression_buffer_size (png_structp png_ptr, png_uint_32 size)

int png_reset_zstream (png_structp png_ptr)

png_structp png_create_read_struct_2 (png_const_charp user_png_ver, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warn_fn, png_voidp mem_ptr, png_malloc_ptr malloc_fn, png_free_ptr free_fn)

png_structp png_create_write_struct_2 (png_const_charp user_png_ver, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warn_fn, png_voidp mem_ptr, png_malloc_ptr malloc_fn, png_free_ptr free_fn)

void png_write_chunk (png_structp png_ptr, png_bytep chunk_name, png_bytep data, png_size_t length)

void png_write_chunk_start (png_structp png_ptr, png_bytep chunk_name, png_uint_32 length)

void png_write_chunk_data (png_structp png_ptr, png_bytep data, png_size_t length)

void png_write_chunk_end (png_structp png_ptr)

png_infop png_create_info_struct (png_structp png_ptr)

void png_info_init (png_infop info_ptr)

void png_info_init_3 (png_infopp info_ptr, png_size_t png_info_struct_size)

void png_write_info_before_PLTE (png_structp png_ptr, png_infop info_ptr)

void png_write_info (png_structp png_ptr, png_infop info_ptr)

void png_read_info (png_structp png_ptr, png_infop info_ptr)

png_charp png_convert_to_rfc1123 (png_structp png_ptr, png_timep ptime)

void png_convert_from_struct_tm (png_timep ptime, struct tm *ttime)

void png_convert_from_time_t (png_timep ptime, time_t ttime)

void png_set_expand (png_structp png_ptr)

void png_set_gray_1_2_4_to_8 (png_structp png_ptr)

void png_set_palette_to_rgb (png_structp png_ptr)

void png_set_tRNS_to_alpha (png_structp png_ptr)

void png_set_bgr (png_structp png_ptr)

void png_set_gray_to_rgb (png_structp png_ptr)

void png_set_rgb_to_gray (png_structp png_ptr, int error_action, double red, double green)

void png_set_rgb_to_gray_fixed (png_structp png_ptr, int error_action, png_fixed_point red, png_fixed_point green)

png_byte png_get_rgb_to_gray_status (png_structp png_ptr)

void png_build_grayscale_palette (int bit_depth, png_colorp palette)

void png_set_strip_alpha (png_structp png_ptr)

void png_set_swap_alpha (png_structp png_ptr)

void png_set_invert_alpha (png_structp png_ptr)

void png_set_filler (png_structp png_ptr, png_uint_32 filler, int flags)

void png_set_add_alpha (png_structp png_ptr, png_uint_32 filler, int flags)

void png_set_swap (png_structp png_ptr)

void png_set_packing (png_structp png_ptr)

void png_set_packswap (png_structp png_ptr)

void png_set_shift (png_structp png_ptr, png_color_8p true_bits)

int png_set_interlace_handling (png_structp png_ptr)

void png_set_invert_mono (png_structp png_ptr)

void png_set_background (png_structp png_ptr, png_color_16p background_color, int background_gamma_code, int need_expand, double background_gamma)

void png_set_strip_16 (png_structp png_ptr)

void png_set_dither (png_structp png_ptr, png_colorp palette, int num_palette, int maximum_colors, png_uint_16p histogram, int full_dither)

void png_set_gamma (png_structp png_ptr, double screen_gamma, double default_file_gamma)

void png_permit_empty_plte (png_structp png_ptr, int empty_plte_permitted)

void png_set_flush (png_structp png_ptr, int nrows)

void png_write_flush (png_structp png_ptr)

void png_start_read_image (png_structp png_ptr)

void png_read_update_info (png_structp png_ptr, png_infop info_ptr)

void png_read_rows (png_structp png_ptr, png_bytepp row, png_bytepp display_row, png_uint_32 num_rows)

void png_read_row (png_structp png_ptr, png_bytep row, png_bytep display_row)

void png_read_image (png_structp png_ptr, png_bytepp image)

void png_write_row (png_structp png_ptr, png_bytep row)

void png_write_rows (png_structp png_ptr, png_bytepp row, png_uint_32 num_rows)

void png_write_image (png_structp png_ptr, png_bytepp image)

void png_write_end (png_structp png_ptr, png_infop info_ptr)

void png_read_end (png_structp png_ptr, png_infop info_ptr)

void png_destroy_info_struct (png_structp png_ptr, png_infopp info_ptr_ptr)

void png_destroy_read_struct (png_structpp png_ptr_ptr, png_infopp info_ptr_ptr, png_infopp end_info_ptr_ptr)

void png_read_destroy (png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr)

void png_destroy_write_struct (png_structpp png_ptr_ptr, png_infopp info_ptr_ptr)

void png_write_destroy (png_structp png_ptr)

void png_set_crc_action (png_structp png_ptr, int crit_action, int ancil_action)

void png_set_filter (png_structp png_ptr, int method, int filters)

void png_set_filter_heuristics (png_structp png_ptr, int heuristic_method, int num_weights, png_doublep filter_weights, png_doublep filter_costs)

void png_set_compression_level (png_structp png_ptr, int level)

void png_set_compression_mem_level (png_structp png_ptr, int mem_level)

void png_set_compression_strategy (png_structp png_ptr, int strategy)

void png_set_compression_window_bits (png_structp png_ptr, int window_bits)

void png_set_compression_method (png_structp png_ptr, int method)

void png_init_io (png_structp png_ptr, png_FILE_p fp)

void png_set_error_fn (png_structp png_ptr, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warning_fn)

png_voidp png_get_error_ptr (png_structp png_ptr)

void png_set_write_fn (png_structp png_ptr, png_voidp io_ptr, png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn)

void png_set_read_fn (png_structp png_ptr, png_voidp io_ptr, png_rw_ptr read_data_fn)

png_voidp png_get_io_ptr (png_structp png_ptr)

void png_set_read_status_fn (png_structp png_ptr, png_read_status_ptr read_row_fn)

void png_set_write_status_fn (png_structp png_ptr, png_write_status_ptr write_row_fn)

void png_set_mem_fn (png_structp png_ptr, png_voidp mem_ptr, png_malloc_ptr malloc_fn, png_free_ptr free_fn)

png_voidp png_get_mem_ptr (png_structp png_ptr)

void png_set_read_user_transform_fn (png_structp png_ptr, png_user_transform_ptr read_user_transform_fn)

void png_set_write_user_transform_fn (png_structp png_ptr, png_user_transform_ptr write_user_transform_fn)

void png_set_user_transform_info (png_structp png_ptr, png_voidp user_transform_ptr, int user_transform_depth, int user_transform_channels)

png_voidp png_get_user_transform_ptr (png_structp png_ptr)

void png_set_read_user_chunk_fn (png_structp png_ptr, png_voidp user_chunk_ptr, png_user_chunk_ptr read_user_chunk_fn)

png_voidp png_get_user_chunk_ptr (png_structp png_ptr)

void png_set_progressive_read_fn (png_structp png_ptr, png_voidp progressive_ptr, png_progressive_info_ptr info_fn, png_progressive_row_ptr row_fn, png_progressive_end_ptr end_fn)

png_voidp png_get_progressive_ptr (png_structp png_ptr)

void png_process_data (png_structp png_ptr, png_infop info_ptr, png_bytep buffer, png_size_t buffer_size)

void png_progressive_combine_row (png_structp png_ptr, png_bytep old_row, png_bytep new_row)

png_voidp png_malloc (png_structp png_ptr, png_uint_32 size)

png_voidp png_malloc_warn (png_structp png_ptr, png_uint_32 size)

void png_free (png_structp png_ptr, png_voidp ptr)

void png_free_data (png_structp png_ptr, png_infop info_ptr, png_uint_32 free_me, int num)

void png_data_freer (png_structp png_ptr, png_infop info_ptr, int freer, png_uint_32 mask)

png_voidp png_malloc_default (png_structp png_ptr, png_uint_32 size)

void png_free_default (png_structp png_ptr, png_voidp ptr)

png_voidp png_memcpy_check (png_structp png_ptr, png_voidp s1, png_voidp s2, png_uint_32 size)

png_voidp png_memset_check (png_structp png_ptr, png_voidp s1, int value, png_uint_32 size)

void png_error (png_structp png_ptr, png_const_charp error_message)

void png_chunk_error (png_structp png_ptr, png_const_charp error_message)

void png_warning (png_structp png_ptr, png_const_charp warning_message)

void png_chunk_warning (png_structp png_ptr, png_const_charp warning_message)

png_uint_32 png_get_valid (png_structp png_ptr, png_infop info_ptr, png_uint_32 flag)

png_uint_32 png_get_rowbytes (png_structp png_ptr, png_infop info_ptr)

png_bytepp png_get_rows (png_structp png_ptr, png_infop info_ptr)

void png_set_rows (png_structp png_ptr, png_infop info_ptr, png_bytepp row_pointers)

png_byte png_get_channels (png_structp png_ptr, png_infop info_ptr)

png_uint_32 png_get_image_width (png_structppng_ptr, png_infop info_ptr)

png_uint_32 png_get_image_height (png_structppng_ptr, png_infop info_ptr)

png_byte png_get_bit_depth (png_structppng_ptr, png_infop info_ptr)

png_byte png_get_color_type (png_structppng_ptr, png_infop info_ptr)

png_byte png_get_filter_type (png_structppng_ptr, png_infop info_ptr)

png_byte png_get_interlace_type (png_structppng_ptr, png_infop info_ptr)

png_byte png_get_compression_type (png_structppng_ptr, png_infop info_ptr)

png_uint_32 png_get_pixels_per_meter (png_structppng_ptr, png_infop info_ptr)

png_uint_32 png_get_x_pixels_per_meter (png_structppng_ptr, png_infop info_ptr)

png_uint_32 png_get_y_pixels_per_meter (png_structppng_ptr, png_infop info_ptr)

float png_get_pixel_aspect_ratio (png_structppng_ptr, png_infop info_ptr)

png_int_32 png_get_x_offset_pixels (png_structppng_ptr, png_infop info_ptr)

png_int_32 png_get_y_offset_pixels (png_structppng_ptr, png_infop info_ptr)

png_int_32 png_get_x_offset_microns (png_structppng_ptr, png_infop info_ptr)

png_int_32 png_get_y_offset_microns (png_structppng_ptr, png_infop info_ptr)

png_bytep png_get_signature (png_structp png_ptr, png_infop info_ptr)

png_uint_32 png_get_bKGD (png_structp png_ptr, png_infop info_ptr, png_color_16p *background)

void png_set_bKGD (png_structp png_ptr, png_infop info_ptr, png_color_16p background)

png_uint_32 png_get_cHRM (png_structp png_ptr, png_infop info_ptr, double *white_x, double *white_y, double *red_x, double *red_y, double *green_x, double *green_y, double *blue_x, double *blue_y)

png_uint_32 png_get_cHRM_fixed (png_structp png_ptr, png_infop info_ptr, png_fixed_point *int_white_x, png_fixed_point *int_white_y, png_fixed_point *int_red_x, png_fixed_point *int_red_y, png_fixed_point *int_green_x, png_fixed_point *int_green_y, png_fixed_point *int_blue_x, png_fixed_point *int_blue_y)

void png_set_cHRM (png_structp png_ptr, png_infop info_ptr, double white_x, double white_y, double red_x, double red_y, double green_x, double green_y, double blue_x, double blue_y)

void png_set_cHRM_fixed (png_structp png_ptr, png_infop info_ptr, png_fixed_point int_white_x, png_fixed_point int_white_y, png_fixed_point int_red_x, png_fixed_point int_red_y, png_fixed_point int_green_x, png_fixed_point int_green_y, png_fixed_point int_blue_x, png_fixed_point int_blue_y)

png_uint_32 png_get_gAMA (png_structp png_ptr, png_infop info_ptr, double *file_gamma)

png_uint_32 png_get_gAMA_fixed (png_structp png_ptr, png_infop info_ptr, png_fixed_point *int_file_gamma)

void png_set_gAMA (png_structp png_ptr, png_infop info_ptr, double file_gamma)

void png_set_gAMA_fixed (png_structp png_ptr, png_infop info_ptr, png_fixed_point int_file_gamma)

png_uint_32 png_get_hIST (png_structp png_ptr, png_infop info_ptr, png_uint_16p *hist)

void png_set_hIST (png_structp png_ptr, png_infop info_ptr, png_uint_16p hist)

png_uint_32 png_get_IHDR (png_structp png_ptr, png_infop info_ptr, png_uint_32 *width, png_uint_32 *height, int *bit_depth, int *color_type, int *interlace_method, int *compression_method, int *filter_method)

void png_set_IHDR (png_structp png_ptr, png_infop info_ptr, png_uint_32 width, png_uint_32 height, int bit_depth, int color_type, int interlace_method, int compression_method, int filter_method)

png_uint_32 png_get_oFFs (png_structp png_ptr, png_infop info_ptr, png_int_32 *offset_x, png_int_32 *offset_y, int *unit_type)

void png_set_oFFs (png_structp png_ptr, png_infop info_ptr, png_int_32 offset_x, png_int_32 offset_y, int unit_type)

png_uint_32 png_get_pCAL (png_structp png_ptr, png_infop info_ptr, png_charp *purpose, png_int_32 *X0, png_int_32 *X1, int *type, int *nparams, png_charp *units, png_charpp *params)

void png_set_pCAL (png_structp png_ptr, png_infop info_ptr, png_charp purpose, png_int_32 X0, png_int_32 X1, int type, int nparams, png_charp units, png_charpp params)

png_uint_32 png_get_pHYs (png_structp png_ptr, png_infop info_ptr, png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type)

void png_set_pHYs (png_structp png_ptr, png_infop info_ptr, png_uint_32 res_x, png_uint_32 res_y, int unit_type)

png_uint_32 png_get_PLTE (png_structp png_ptr, png_infop info_ptr, png_colorp *palette, int *num_palette)

void png_set_PLTE (png_structp png_ptr, png_infop info_ptr, png_colorp palette, int num_palette)

png_uint_32 png_get_sBIT (png_structp png_ptr, png_infop info_ptr, png_color_8p *sig_bit)

void png_set_sBIT (png_structp png_ptr, png_infop info_ptr, png_color_8p sig_bit)

png_uint_32 png_get_sRGB (png_structp png_ptr, png_infop info_ptr, int *intent)

void png_set_sRGB (png_structp png_ptr, png_infop info_ptr, int intent)

void png_set_sRGB_gAMA_and_cHRM (png_structp png_ptr, png_infop info_ptr, int intent)

png_uint_32 png_get_iCCP (png_structp png_ptr, png_infop info_ptr, png_charpp name, int *compression_type, png_charpp profile, png_uint_32 *proflen)

void png_set_iCCP (png_structp png_ptr, png_infop info_ptr, png_charp name, int compression_type, png_charp profile, png_uint_32 proflen)

png_uint_32 png_get_sPLT (png_structp png_ptr, png_infop info_ptr, png_sPLT_tpp entries)

void png_set_sPLT (png_structp png_ptr, png_infop info_ptr, png_sPLT_tp entries, int nentries)

png_uint_32 png_get_text (png_structp png_ptr, png_infop info_ptr, png_textp *text_ptr, int *num_text)

void png_set_text (png_structp png_ptr, png_infop info_ptr, png_textp text_ptr, int num_text)

png_uint_32 png_get_tIME (png_structp png_ptr, png_infop info_ptr, png_timep *mod_time)

void png_set_tIME (png_structp png_ptr, png_infop info_ptr, png_timep mod_time)

png_uint_32 png_get_tRNS (png_structp png_ptr, png_infop info_ptr, png_bytep *trans, int *num_trans, png_color_16p *trans_values)

void png_set_tRNS (png_structp png_ptr, png_infop info_ptr, png_bytep trans, int num_trans, png_color_16p trans_values)

png_uint_32 png_get_sCAL (png_structp png_ptr, png_infop info_ptr, int *unit, double *width, double *height)

void png_set_sCAL (png_structp png_ptr, png_infop info_ptr, int unit, double width, double height)

void png_set_sCAL_s (png_structp png_ptr, png_infop info_ptr, int unit, png_charp swidth, png_charp sheight)

void png_set_keep_unknown_chunks (png_structp png_ptr, int keep, png_bytep chunk_list, int num_chunks)

void png_set_unknown_chunks (png_structp png_ptr, png_infop info_ptr, png_unknown_chunkp unknowns, int num_unknowns)

void png_set_unknown_chunk_location (png_structp png_ptr, png_infop info_ptr, int chunk, int location)

png_uint_32 png_get_unknown_chunks (png_structp png_ptr, png_infop info_ptr, png_unknown_chunkpp entries)

int png_handle_as_unknown (png_structp png_ptr, png_bytep chunk_name)

void png_set_invalid (png_structp png_ptr, png_infop info_ptr, int mask)

void png_read_png (png_structp png_ptr, png_infop info_ptr, int transforms, png_voidp params)

void png_write_png (png_structp png_ptr, png_infop info_ptr, int transforms, png_voidp params)

png_bytep png_sig_bytes (void)

png_charp png_get_copyright (png_structp png_ptr)

png_charp png_get_header_ver (png_structp png_ptr)

png_charp png_get_header_version (png_structp png_ptr)

png_charp png_get_libpng_ver (png_structp png_ptr)

png_uint_32 png_permit_mng_features (png_structp png_ptr, png_uint_32 mng_features_permitted)

png_uint_32 png_get_mmx_flagmask (int flag_select, int *compilerID)

png_uint_32 png_get_asm_flagmask (int flag_select)

png_uint_32 png_get_asm_flags (png_structp png_ptr)

png_byte png_get_mmx_bitdepth_threshold (png_structp png_ptr)

png_uint_32 png_get_mmx_rowbytes_threshold (png_structp png_ptr)

void png_set_asm_flags (png_structp png_ptr, png_uint_32 asm_flags)

void png_set_mmx_thresholds (png_structp png_ptr, png_byte mmx_bitdepth_threshold, png_uint_32 mmx_rowbytes_threshold)

int png_mmx_support (void)

void png_set_strip_error_numbers (png_structp png_ptr, png_uint_32 strip_mode)

void png_set_user_limits (png_structp png_ptr, png_uint_32 user_width_max, png_uint_32 user_height_max)

png_uint_32 png_get_user_width_max (png_structp png_ptr)

png_uint_32 png_get_user_height_max (png_structp png_ptr)

Variables

const char png_libpng_ver [18]

const int png_pass_start [7]

const int png_pass_inc [7]

const int png_pass_ystart [7]

const int png_pass_yinc [7]

const int png_pass_mask [7]

const int png_pass_dsp_mask [7]

Define Documentation

#define int_p_NULL (int *)NULL

#define PNG_ALL_FILTERS

Value:
(PNG_FILTER_NONE | PNG_FILTER_SUB | PNG_FILTER_UP | \ PNG_FILTER_AVG | PNG_FILTER_PAETH)

#define PNG_ALL_MNG_FEATURES 0x05

#define PNG_ASM_FLAG_MMX_READ_COMBINE_ROW 0x04

#define PNG_ASM_FLAG_MMX_READ_FILTER_AVG 0x40

#define PNG_ASM_FLAG_MMX_READ_FILTER_PAETH 0x80

#define PNG_ASM_FLAG_MMX_READ_FILTER_SUB 0x10

#define PNG_ASM_FLAG_MMX_READ_FILTER_UP 0x20

#define PNG_ASM_FLAG_MMX_READ_INTERLACE 0x08

#define PNG_ASM_FLAG_MMX_SUPPORT_COMPILED 0x01

#define PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU 0x02

#define PNG_ASM_FLAGS_INITIALIZED 0x80000000

#define PNG_BACKGROUND_GAMMA_FILE 2

#define PNG_BACKGROUND_GAMMA_SCREEN 1

#define PNG_BACKGROUND_GAMMA_UNIQUE 3

#define PNG_BACKGROUND_GAMMA_UNKNOWN 0

#define png_bytep_NULL (png_bytep)NULL

#define png_bytepp_NULL (png_bytepp)NULL

#define PNG_COLOR_MASK_ALPHA 4

#define PNG_COLOR_MASK_COLOR 2

#define PNG_COLOR_MASK_PALETTE 1

#define PNG_COLOR_TYPE_GA PNG_COLOR_TYPE_GRAY_ALPHA

#define PNG_COLOR_TYPE_GRAY 0

#define PNG_COLOR_TYPE_GRAY_ALPHA (PNG_COLOR_MASK_ALPHA)

#define PNG_COLOR_TYPE_PALETTE (PNG_COLOR_MASK_COLOR | PNG_COLOR_MASK_PALETTE)

#define PNG_COLOR_TYPE_RGB (PNG_COLOR_MASK_COLOR)

#define PNG_COLOR_TYPE_RGB_ALPHA (PNG_COLOR_MASK_COLOR | PNG_COLOR_MASK_ALPHA)

#define PNG_COLOR_TYPE_RGBA PNG_COLOR_TYPE_RGB_ALPHA

#define png_composite ( composite,
fg,
alpha,
bg )

Value:
{ png_uint_16 temp = (png_uint_16)((png_uint_16)(fg) * (png_uint_16)(alpha) \ + (png_uint_16)(bg)*(png_uint_16)(255 - \ (png_uint_16)(alpha)) + (png_uint_16)128); \ (composite) = (png_byte)((temp + (temp >> 8)) >> 8); }

#define png_composite_16 ( composite,
fg,
alpha,
bg )

Value:
{ png_uint_32 temp = (png_uint_32)((png_uint_32)(fg) * (png_uint_32)(alpha) \ + (png_uint_32)(bg)*(png_uint_32)(65535L - \ (png_uint_32)(alpha)) + (png_uint_32)32768L); \ (composite) = (png_uint_16)((temp + (temp >> 16)) >> 16); }

#define PNG_COMPRESSION_TYPE_BASE 0

#define PNG_COMPRESSION_TYPE_DEFAULT PNG_COMPRESSION_TYPE_BASE

#define PNG_CRC_DEFAULT 0

#define PNG_CRC_ERROR_QUIT 1

#define PNG_CRC_NO_CHANGE 5

#define PNG_CRC_QUIET_USE 4

#define PNG_CRC_WARN_DISCARD 2

#define PNG_CRC_WARN_USE 3

#define png_debug ( l,
m )

#define png_debug1 ( l,
m,
p1 )

#define png_debug2 ( l,
m,
p1,
p2 )

#define PNG_DESTROY_WILL_FREE_DATA 1

#define png_doublep_NULL (png_doublep)NULL

#define PNG_EQUATION_ARBITRARY 2

#define PNG_EQUATION_BASE_E 1

#define PNG_EQUATION_HYPERBOLIC 3

#define PNG_EQUATION_LAST 4

#define PNG_EQUATION_LINEAR 0

#define png_error_ptr_NULL (png_error_ptr)NULL

#define PNG_FILLER_AFTER 1

#define PNG_FILLER_BEFORE 0

#define PNG_FILTER_AVG 0x40

#define PNG_FILTER_HEURISTIC_DEFAULT 0

#define PNG_FILTER_HEURISTIC_LAST 3

#define PNG_FILTER_HEURISTIC_UNWEIGHTED 1

#define PNG_FILTER_HEURISTIC_WEIGHTED 2

#define PNG_FILTER_NONE 0x08

#define PNG_FILTER_PAETH 0x80

#define PNG_FILTER_SUB 0x10

#define PNG_FILTER_TYPE_BASE 0

#define PNG_FILTER_TYPE_DEFAULT PNG_FILTER_TYPE_BASE

#define PNG_FILTER_UP 0x20

#define PNG_FILTER_VALUE_AVG 3

#define PNG_FILTER_VALUE_LAST 5

#define PNG_FILTER_VALUE_NONE 0

#define PNG_FILTER_VALUE_PAETH 4

#define PNG_FILTER_VALUE_SUB 1

#define PNG_FILTER_VALUE_UP 2

#define PNG_FLAG_MNG_EMPTY_PLTE 0x01

#define PNG_FLAG_MNG_FILTER_64 0x04

#define png_flush_ptr_NULL (png_flush_ptr)NULL

#define PNG_FREE_ALL 0x7fff

#define PNG_FREE_HIST 0x0008

#define PNG_FREE_ICCP 0x0010

#define PNG_FREE_LIST 0x0400

#define PNG_FREE_MUL 0x4220

#define PNG_FREE_PCAL 0x0080

#define PNG_FREE_PLTE 0x1000

#define png_free_ptr_NULL (png_free_ptr)NULL

#define PNG_FREE_ROWS 0x0040

#define PNG_FREE_SCAL 0x0100

#define PNG_FREE_SPLT 0x0020

#define PNG_FREE_TEXT 0x4000

#define PNG_FREE_TRNS 0x2000

#define PNG_FREE_UNKN 0x0200

#define PNG_HANDLE_CHUNK_ALWAYS 3

#define PNG_HANDLE_CHUNK_AS_DEFAULT 0

#define PNG_HANDLE_CHUNK_IF_SAFE 2

#define PNG_HANDLE_CHUNK_NEVER 1

#define PNG_HEADER_VERSION_STRING " libpng version 1.2.7 - September 12, 2004 (header)\n"

#define PNG_INFO_bKGD 0x0020

#define PNG_INFO_cHRM 0x0004

#define PNG_INFO_gAMA 0x0001

#define PNG_INFO_hIST 0x0040

#define PNG_INFO_iCCP 0x1000

#define PNG_INFO_IDAT 0x8000L

#define png_info_init ( info_ptr )

Value:
png_info_init_3(&info_ptr,\ png_sizeof(png_info));

#define PNG_INFO_oFFs 0x0100

#define PNG_INFO_pCAL 0x0400

#define PNG_INFO_pHYs 0x0080

#define PNG_INFO_PLTE 0x0008

#define PNG_INFO_sBIT 0x0002

#define PNG_INFO_sCAL 0x4000

#define PNG_INFO_sPLT 0x2000

#define PNG_INFO_sRGB 0x0800

#define PNG_INFO_tIME 0x0200

#define PNG_INFO_tRNS 0x0010

#define png_infopp_NULL (png_infopp)NULL

#define PNG_INTERLACE_ADAM7 1

#define PNG_INTERLACE_LAST 2

#define PNG_INTERLACE_NONE 0

#define PNG_INTRAPIXEL_DIFFERENCING 64

#define PNG_ITXT_COMPRESSION_NONE 1

#define PNG_ITXT_COMPRESSION_zTXt 2

#define PNG_KEYWORD_MAX_LENGTH 79

#define PNG_LIBPNG_BUILD_ALPHA 1

#define PNG_LIBPNG_BUILD_BETA 2

#define PNG_LIBPNG_BUILD_PATCH 8

#define PNG_LIBPNG_BUILD_RC 3

#define PNG_LIBPNG_BUILD_STABLE 4

#define PNG_LIBPNG_BUILD_TYPE 4

#define PNG_LIBPNG_BUILD_TYPEMASK 7

#define PNG_LIBPNG_VER 10207

#define PNG_LIBPNG_VER_BUILD 0

#define PNG_LIBPNG_VER_DLLNUM %DLLNUM%

#define PNG_LIBPNG_VER_MAJOR 1

#define PNG_LIBPNG_VER_MINOR 2

#define PNG_LIBPNG_VER_RELEASE 7

#define PNG_LIBPNG_VER_SONUM 0

#define PNG_LIBPNG_VER_STRING "1.2.7"

#define png_malloc_ptr_NULL (png_malloc_ptr)NULL

#define PNG_MAX_PALETTE_LENGTH 256

#define PNG_MAX_UINT PNG_UINT_31_MAX

#define PNG_MMX_FLAGS

Value:
( PNG_ASM_FLAG_MMX_SUPPORT_COMPILED \ | PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU \ | PNG_MMX_READ_FLAGS \ | PNG_MMX_WRITE_FLAGS )

#define PNG_MMX_READ_FLAGS

Value:
( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \ | PNG_ASM_FLAG_MMX_READ_INTERLACE \ | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \ | PNG_ASM_FLAG_MMX_READ_FILTER_UP \ | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \ | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH )

#define PNG_MMX_WRITE_FLAGS ( 0 )

#define PNG_NO_FILTERS 0x00

#define PNG_OFFSET_LAST 2

#define PNG_OFFSET_MICROMETER 1

#define PNG_OFFSET_PIXEL 0

#define png_read_status_ptr_NULL (png_read_status_ptr)NULL

#define PNG_RESOLUTION_LAST 2

#define PNG_RESOLUTION_METER 1

#define PNG_RESOLUTION_UNKNOWN 0

#define png_rw_ptr_NULL (png_rw_ptr)NULL

#define PNG_SCALE_LAST 3

#define PNG_SCALE_METER 1

#define PNG_SCALE_RADIAN 2

#define PNG_SCALE_UNKNOWN 0

#define PNG_SELECT_READ 1

#define PNG_SELECT_WRITE 2

#define PNG_SET_WILL_FREE_DATA 1

#define PNG_SIZE_MAX (~((png_size_t)0))

#define PNG_sRGB_INTENT_ABSOLUTE 3

#define PNG_sRGB_INTENT_LAST 4

#define PNG_sRGB_INTENT_PERCEPTUAL 0

#define PNG_sRGB_INTENT_RELATIVE 1

#define PNG_sRGB_INTENT_SATURATION 2

#define png_structp_NULL (png_structp)NULL

#define PNG_TEXT_COMPRESSION_LAST 3

#define PNG_TEXT_COMPRESSION_NONE -1

#define PNG_TEXT_COMPRESSION_NONE_WR -3

#define PNG_TEXT_COMPRESSION_zTXt 0

#define PNG_TEXT_COMPRESSION_zTXt_WR -2

#define PNG_TRANSFORM_BGR 0x0080

#define PNG_TRANSFORM_EXPAND 0x0010

#define PNG_TRANSFORM_IDENTITY 0x0000

#define PNG_TRANSFORM_INVERT_ALPHA 0x0400

#define PNG_TRANSFORM_INVERT_MONO 0x0020

#define PNG_TRANSFORM_PACKING 0x0004

#define PNG_TRANSFORM_PACKSWAP 0x0008

#define PNG_TRANSFORM_SHIFT 0x0040

#define PNG_TRANSFORM_STRIP_16 0x0001

#define PNG_TRANSFORM_STRIP_ALPHA 0x0002

#define PNG_TRANSFORM_STRIP_FILLER 0x0800

#define PNG_TRANSFORM_SWAP_ALPHA 0x0100

#define PNG_TRANSFORM_SWAP_ENDIAN 0x0200

#define png_uint_16p_NULL (png_uint_16p)NULL

#define PNG_UINT_31_MAX ((png_uint_32)0x7fffffffL)

#define PNG_UINT_32_MAX (~((png_uint_32)0))

#define PNG_USER_WILL_FREE_DATA 2

#define png_voidp_NULL (png_voidp)NULL

#define png_write_status_ptr_NULL (png_write_status_ptr)NULL

Typedef Documentation

typedef struct png_color_struct png_color

typedef struct png_color_16_struct png_color_16

typedef png_color_16* png_color_16p

typedef png_color_16* * png_color_16pp

typedef struct png_color_8_struct png_color_8

typedef png_color_8* png_color_8p

typedef png_color_8* * png_color_8pp

typedef png_color* png_colorp

typedef png_color* * png_colorpp

typedef void( * png_error_ptr)(png_structp, png_const_charp)

typedef void( * png_flush_ptr)(png_structp)

typedef void(* png_free_ptr)(png_structp, png_voidp)

typedef struct png_info_struct png_info

typedef png_info* png_infop

typedef png_info* * png_infopp

typedef png_voidp(* png_malloc_ptr)(png_structp, png_size_t)

typedef void( * png_progressive_end_ptr)(png_structp, png_infop)

typedef void( * png_progressive_info_ptr)(png_structp, png_infop)

typedef void( * png_progressive_row_ptr)(png_structp, png_bytep, png_uint_32, int)

typedef void( * png_read_status_ptr)(png_structp, png_uint_32, int)

typedef struct png_row_info_struct png_row_info

typedef png_row_info* png_row_infop

typedef png_row_info* * png_row_infopp

typedef void( * png_rw_ptr)(png_structp, png_bytep, png_size_t)

typedef struct png_sPLT_entry_struct png_sPLT_entry

typedef png_sPLT_entry* png_sPLT_entryp

typedef png_sPLT_entry* * png_sPLT_entrypp

typedef struct png_sPLT_struct png_sPLT_t

typedef png_sPLT_t* png_sPLT_tp

typedef png_sPLT_t* * png_sPLT_tpp

typedef struct png_struct_def png_struct

typedef png_struct* png_structp

typedef png_struct* * png_structpp

typedef struct png_text_struct png_text

typedef png_text* png_textp

typedef png_text* * png_textpp

typedef struct png_time_struct png_time

typedef png_time* png_timep

typedef png_time* * png_timepp

typedef struct png_unknown_chunk_t png_unknown_chunk

typedef void( * png_unknown_chunk_ptr)(png_structp)

typedef png_unknown_chunk* png_unknown_chunkp

typedef png_unknown_chunk* * png_unknown_chunkpp

typedef int( * png_user_chunk_ptr)(png_structp, png_unknown_chunkp)

typedef void( * png_user_transform_ptr)(png_structp, png_row_infop, png_bytep)

typedef void( * png_write_status_ptr)(png_structp, png_uint_32, int)

typedef png_structp version_1_2_7

Function Documentation

png_uint_32 png_access_version_number ( void )

void png_build_grayscale_palette ( int bit_depth,

png_colorp palette

)

int png_check_sig ( png_bytep sig,

int num

)

void png_chunk_error ( png_structp png_ptr,

png_const_charp error_message

)

void png_chunk_warning ( png_structp png_ptr,

png_const_charp warning_message

)

void png_convert_from_struct_tm ( png_timep ptime,

struct tm * ttime

)

void png_convert_from_time_t ( png_timep ptime,

time_t ttime

)

png_charp png_convert_to_rfc1123 ( png_structp png_ptr,

png_timep ptime

)

png_infop png_create_info_struct ( png_structp png_ptr )

png_structp png_create_read_struct ( png_const_charp user_png_ver,

png_voidp error_ptr,

png_error_ptr error_fn,

png_error_ptr warn_fn

)

png_structp png_create_read_struct_2 ( png_const_charp user_png_ver,

png_voidp error_ptr,

png_error_ptr error_fn,

png_error_ptr warn_fn,

png_voidp mem_ptr,

png_malloc_ptr malloc_fn,

png_free_ptr free_fn

)

png_structp png_create_write_struct ( png_const_charp user_png_ver,

png_voidp error_ptr,

png_error_ptr error_fn,

png_error_ptr warn_fn

)

png_structp png_create_write_struct_2 ( png_const_charp user_png_ver,

png_voidp error_ptr,

png_error_ptr error_fn,

png_error_ptr warn_fn,

png_voidp mem_ptr,

png_malloc_ptr malloc_fn,

png_free_ptr free_fn

)

void png_data_freer ( png_structp png_ptr,

png_infop info_ptr,

int freer,

png_uint_32 mask

)

void png_destroy_info_struct ( png_structp png_ptr,

png_infopp info_ptr_ptr

)

void png_destroy_read_struct ( png_structpp png_ptr_ptr,

png_infopp info_ptr_ptr,

png_infopp end_info_ptr_ptr

)

void png_destroy_write_struct ( png_structpp png_ptr_ptr,

png_infopp info_ptr_ptr

)

void png_error ( png_structp png_ptr,

png_const_charp error_message

)

void png_free ( png_structp png_ptr,

png_voidp ptr

)

void png_free_data ( png_structp png_ptr,

png_infop info_ptr,

png_uint_32 free_me,

int num

)

void png_free_default ( png_structp png_ptr,

png_voidp ptr

)

png_uint_32 png_get_asm_flagmask ( int flag_select )

png_uint_32 png_get_asm_flags ( png_structp png_ptr )

png_byte png_get_bit_depth ( png_structppng_ptr ,

png_infop info_ptr

)

png_uint_32 png_get_bKGD ( png_structp png_ptr,

png_infop info_ptr,

png_color_16p * background

)

png_byte png_get_channels ( png_structp png_ptr,

png_infop info_ptr

)

png_uint_32 png_get_cHRM ( png_structp png_ptr,

png_infop info_ptr,

double * white_x,

double * white_y,

double * red_x,

double * red_y,

double * green_x,

double * green_y,

double * blue_x,

double * blue_y

)

png_uint_32 png_get_cHRM_fixed ( png_structp png_ptr,

png_infop info_ptr,

png_fixed_point * int_white_x,

png_fixed_point * int_white_y,

png_fixed_point * int_red_x,

png_fixed_point * int_red_y,

png_fixed_point * int_green_x,

png_fixed_point * int_green_y,

png_fixed_point * int_blue_x,

png_fixed_point * int_blue_y

)

png_byte png_get_color_type ( png_structppng_ptr ,

png_infop info_ptr

)

png_uint_32 png_get_compression_buffer_size ( png_structp png_ptr )

png_byte png_get_compression_type ( png_structppng_ptr ,

png_infop info_ptr

)

png_charp png_get_copyright ( png_structp png_ptr )

png_voidp png_get_error_ptr ( png_structp png_ptr )

png_byte png_get_filter_type ( png_structppng_ptr ,

png_infop info_ptr

)

png_uint_32 png_get_gAMA ( png_structp png_ptr,

png_infop info_ptr,

double * file_gamma

)

png_uint_32 png_get_gAMA_fixed ( png_structp png_ptr,

png_infop info_ptr,

png_fixed_point * int_file_gamma

)

png_charp png_get_header_ver ( png_structp png_ptr )

png_charp png_get_header_version ( png_structp png_ptr )

png_uint_32 png_get_hIST ( png_structp png_ptr,

png_infop info_ptr,

png_uint_16p * hist

)

png_uint_32 png_get_iCCP ( png_structp png_ptr,

png_infop info_ptr,

png_charpp name,

int * compression_type,

png_charpp profile,

png_uint_32 * proflen

)

png_uint_32 png_get_IHDR ( png_structp png_ptr,

png_infop info_ptr,

png_uint_32 * width,

png_uint_32 * height,

int * bit_depth,

int * color_type,

int * interlace_method,

int * compression_method,

int * filter_method

)

png_uint_32 png_get_image_height ( png_structppng_ptr ,

png_infop info_ptr

)

png_uint_32 png_get_image_width ( png_structppng_ptr ,

png_infop info_ptr

)

png_byte png_get_interlace_type ( png_structppng_ptr ,

png_infop info_ptr

)

png_voidp png_get_io_ptr ( png_structp png_ptr )

png_charp png_get_libpng_ver ( png_structp png_ptr )

png_voidp png_get_mem_ptr ( png_structp png_ptr )

png_byte png_get_mmx_bitdepth_threshold ( png_structp png_ptr )

png_uint_32 png_get_mmx_flagmask ( int flag_select,

int * compilerID

)

png_uint_32 png_get_mmx_rowbytes_threshold ( png_structp png_ptr )

png_uint_32 png_get_oFFs ( png_structp png_ptr,

png_infop info_ptr,

png_int_32 * offset_x,

png_int_32 * offset_y,

int * unit_type

)

png_uint_32 png_get_pCAL ( png_structp png_ptr,

png_infop info_ptr,

png_charp * purpose,

png_int_32 * X0,

png_int_32 * X1,

int * type,

int * nparams,

png_charp * units,

png_charpp * params

)

png_uint_32 png_get_pHYs ( png_structp png_ptr,

png_infop info_ptr,

png_uint_32 * res_x,

png_uint_32 * res_y,

int * unit_type

)

float png_get_pixel_aspect_ratio ( png_structppng_ptr ,

png_infop info_ptr

)

png_uint_32 png_get_pixels_per_meter ( png_structppng_ptr ,

png_infop info_ptr

)

png_uint_32 png_get_PLTE ( png_structp png_ptr,

png_infop info_ptr,

png_colorp * palette,

int * num_palette

)

png_voidp png_get_progressive_ptr ( png_structp png_ptr )

png_byte png_get_rgb_to_gray_status ( png_structp png_ptr )

png_uint_32 png_get_rowbytes ( png_structp png_ptr,

png_infop info_ptr

)

png_bytepp png_get_rows ( png_structp png_ptr,

png_infop info_ptr

)

png_uint_32 png_get_sBIT ( png_structp png_ptr,

png_infop info_ptr,

png_color_8p * sig_bit

)

png_uint_32 png_get_sCAL ( png_structp png_ptr,

png_infop info_ptr,

int * unit,

double * width,

double * height

)

png_bytep png_get_signature ( png_structp png_ptr,

png_infop info_ptr

)

png_uint_32 png_get_sPLT ( png_structp png_ptr,

png_infop info_ptr,

png_sPLT_tpp entries

)

png_uint_32 png_get_sRGB ( png_structp png_ptr,

png_infop info_ptr,

int * intent

)

png_uint_32 png_get_text ( png_structp png_ptr,

png_infop info_ptr,

png_textp * text_ptr,

int * num_text

)

png_uint_32 png_get_tIME ( png_structp png_ptr,

png_infop info_ptr,

png_timep * mod_time

)

png_uint_32 png_get_tRNS ( png_structp png_ptr,

png_infop info_ptr,

png_bytep * trans,

int * num_trans,

png_color_16p * trans_values

)

png_uint_32 png_get_unknown_chunks ( png_structp png_ptr,

png_infop info_ptr,

png_unknown_chunkpp entries

)

png_voidp png_get_user_chunk_ptr ( png_structp png_ptr )

png_uint_32 png_get_user_height_max ( png_structp png_ptr )

png_voidp png_get_user_transform_ptr ( png_structp png_ptr )

png_uint_32 png_get_user_width_max ( png_structp png_ptr )

png_uint_32 png_get_valid ( png_structp png_ptr,

png_infop info_ptr,

png_uint_32 flag

)

png_int_32 png_get_x_offset_microns ( png_structppng_ptr ,

png_infop info_ptr

)

png_int_32 png_get_x_offset_pixels ( png_structppng_ptr ,

png_infop info_ptr

)

png_uint_32 png_get_x_pixels_per_meter ( png_structppng_ptr ,

png_infop info_ptr

)

png_int_32 png_get_y_offset_microns ( png_structppng_ptr ,

png_infop info_ptr

)

png_int_32 png_get_y_offset_pixels ( png_structppng_ptr ,

png_infop info_ptr

)

png_uint_32 png_get_y_pixels_per_meter ( png_structppng_ptr ,

png_infop info_ptr

)

int png_handle_as_unknown ( png_structp png_ptr,

png_bytep chunk_name

)

void png_info_init ( png_infop info_ptr )

void png_info_init_3 ( png_infopp info_ptr,

png_size_t png_info_struct_size

)

void png_init_io ( png_structp png_ptr,

png_FILE_p fp

)

png_voidp png_malloc ( png_structp png_ptr,

png_uint_32 size

)

png_voidp png_malloc_default ( png_structp png_ptr,

png_uint_32 size

)

png_voidp png_malloc_warn ( png_structp png_ptr,

png_uint_32 size

)

png_voidp png_memcpy_check ( png_structp png_ptr,

png_voidp s1,

png_voidp s2,

png_uint_32 size

)

png_voidp png_memset_check ( png_structp png_ptr,

png_voidp s1,

int value,

png_uint_32 size

)

int png_mmx_support ( void )

void png_permit_empty_plte ( png_structp png_ptr,

int empty_plte_permitted

)

png_uint_32 png_permit_mng_features ( png_structp png_ptr,

png_uint_32 mng_features_permitted

)

void png_process_data ( png_structp png_ptr,

png_infop info_ptr,

png_bytep buffer,

png_size_t buffer_size

)

void png_progressive_combine_row ( png_structp png_ptr,

png_bytep old_row,

png_bytep new_row

)

void png_read_destroy ( png_structp png_ptr,

png_infop info_ptr,

png_infop end_info_ptr

)

void png_read_end ( png_structp png_ptr,

png_infop info_ptr

)

void png_read_image ( png_structp png_ptr,

png_bytepp image

)

void png_read_info ( png_structp png_ptr,

png_infop info_ptr

)

void png_read_png ( png_structp png_ptr,

png_infop info_ptr,

int transforms,

png_voidp params

)

void png_read_row ( png_structp png_ptr,

png_bytep row,

png_bytep display_row

)

void png_read_rows ( png_structp png_ptr,

png_bytepp row,

png_bytepp display_row,

png_uint_32 num_rows

)

void png_read_update_info ( png_structp png_ptr,

png_infop info_ptr

)

int png_reset_zstream ( png_structp png_ptr )

void png_set_add_alpha ( png_structp png_ptr,

png_uint_32 filler,

int flags

)

void png_set_asm_flags ( png_structp png_ptr,

png_uint_32 asm_flags

)

void png_set_background ( png_structp png_ptr,

png_color_16p background_color,

int background_gamma_code,

int need_expand,

double background_gamma

)

void png_set_bgr ( png_structp png_ptr )

void png_set_bKGD ( png_structp png_ptr,

png_infop info_ptr,

png_color_16p background

)

void png_set_cHRM ( png_structp png_ptr,

png_infop info_ptr,

double white_x,

double white_y,

double red_x,

double red_y,

double green_x,

double green_y,

double blue_x,

double blue_y

)

void png_set_cHRM_fixed ( png_structp png_ptr,

png_infop info_ptr,

png_fixed_point int_white_x,

png_fixed_point int_white_y,

png_fixed_point int_red_x,

png_fixed_point int_red_y,

png_fixed_point int_green_x,

png_fixed_point int_green_y,

png_fixed_point int_blue_x,

png_fixed_point int_blue_y

)

void png_set_compression_buffer_size ( png_structp png_ptr,

png_uint_32 size

)

void png_set_compression_level ( png_structp png_ptr,

int level

)

void png_set_compression_mem_level ( png_structp png_ptr,

int mem_level

)

void png_set_compression_method ( png_structp png_ptr,

int method

)

void png_set_compression_strategy ( png_structp png_ptr,

int strategy

)

void png_set_compression_window_bits ( png_structp png_ptr,

int window_bits

)

void png_set_crc_action ( png_structp png_ptr,

int crit_action,

int ancil_action

)

void png_set_dither ( png_structp png_ptr,

png_colorp palette,

int num_palette,

int maximum_colors,

png_uint_16p histogram,

int full_dither

)

void png_set_error_fn ( png_structp png_ptr,

png_voidp error_ptr,

png_error_ptr error_fn,

png_error_ptr warning_fn

)

void png_set_expand ( png_structp png_ptr )

void png_set_filler ( png_structp png_ptr,

png_uint_32 filler,

int flags

)

void png_set_filter ( png_structp png_ptr,

int method,

int filters

)

void png_set_filter_heuristics ( png_structp png_ptr,

int heuristic_method,

int num_weights,

png_doublep filter_weights,

png_doublep filter_costs

)

void png_set_flush ( png_structp png_ptr,

int nrows

)

void png_set_gAMA ( png_structp png_ptr,

png_infop info_ptr,

double file_gamma

)

void png_set_gAMA_fixed ( png_structp png_ptr,

png_infop info_ptr,

png_fixed_point int_file_gamma

)

void png_set_gamma ( png_structp png_ptr,

double screen_gamma,

double default_file_gamma

)

void png_set_gray_1_2_4_to_8 ( png_structp png_ptr )

void png_set_gray_to_rgb ( png_structp png_ptr )

void png_set_hIST ( png_structp png_ptr,

png_infop info_ptr,

png_uint_16p hist

)

void png_set_iCCP ( png_structp png_ptr,

png_infop info_ptr,

png_charp name,

int compression_type,

png_charp profile,

png_uint_32 proflen

)

void png_set_IHDR ( png_structp png_ptr,

png_infop info_ptr,

png_uint_32 width,

png_uint_32 height,

int bit_depth,

int color_type,

int interlace_method,

int compression_method,

int filter_method

)

int png_set_interlace_handling ( png_structp png_ptr )

void png_set_invalid ( png_structp png_ptr,

png_infop info_ptr,

int mask

)

void png_set_invert_alpha ( png_structp png_ptr )

void png_set_invert_mono ( png_structp png_ptr )

void png_set_keep_unknown_chunks ( png_structp png_ptr,

int keep,

png_bytep chunk_list,

int num_chunks

)

void png_set_mem_fn ( png_structp png_ptr,

png_voidp mem_ptr,

png_malloc_ptr malloc_fn,

png_free_ptr free_fn

)

void png_set_mmx_thresholds ( png_structp png_ptr,

png_byte mmx_bitdepth_threshold,

png_uint_32 mmx_rowbytes_threshold

)

void png_set_oFFs ( png_structp png_ptr,

png_infop info_ptr,

png_int_32 offset_x,

png_int_32 offset_y,

int unit_type

)

void png_set_packing ( png_structp png_ptr )

void png_set_packswap ( png_structp png_ptr )

void png_set_palette_to_rgb ( png_structp png_ptr )

void png_set_pCAL ( png_structp png_ptr,

png_infop info_ptr,

png_charp purpose,

png_int_32 X0,

png_int_32 X1,

int type,

int nparams,

png_charp units,

png_charpp params

)

void png_set_pHYs ( png_structp png_ptr,

png_infop info_ptr,

png_uint_32 res_x,

png_uint_32 res_y,

int unit_type

)

void png_set_PLTE ( png_structp png_ptr,

png_infop info_ptr,

png_colorp palette,

int num_palette

)

void png_set_progressive_read_fn ( png_structp png_ptr,

png_voidp progressive_ptr,

png_progressive_info_ptr info_fn,

png_progressive_row_ptr row_fn,

png_progressive_end_ptr end_fn

)

void png_set_read_fn ( png_structp png_ptr,

png_voidp io_ptr,

png_rw_ptr read_data_fn

)

void png_set_read_status_fn ( png_structp png_ptr,

png_read_status_ptr read_row_fn

)

void png_set_read_user_chunk_fn ( png_structp png_ptr,

png_voidp user_chunk_ptr,

png_user_chunk_ptr read_user_chunk_fn

)

void png_set_read_user_transform_fn ( png_structp png_ptr,

png_user_transform_ptr read_user_transform_fn

)

void png_set_rgb_to_gray ( png_structp png_ptr,

int error_action,

double red,

double green

)

void png_set_rgb_to_gray_fixed ( png_structp png_ptr,

int error_action,

png_fixed_point red,

png_fixed_point green

)

void png_set_rows ( png_structp png_ptr,

png_infop info_ptr,

png_bytepp row_pointers

)

void png_set_sBIT ( png_structp png_ptr,

png_infop info_ptr,

png_color_8p sig_bit

)

void png_set_sCAL ( png_structp png_ptr,

png_infop info_ptr,

int unit,

double width,

double height

)

void png_set_sCAL_s ( png_structp png_ptr,

png_infop info_ptr,

int unit,

png_charp swidth,

png_charp sheight

)

void png_set_shift ( png_structp png_ptr,

png_color_8p true_bits

)

void png_set_sig_bytes ( png_structp png_ptr,

int num_bytes

)

void png_set_sPLT ( png_structp png_ptr,

png_infop info_ptr,

png_sPLT_tp entries,

int nentries

)

void png_set_sRGB ( png_structp png_ptr,

png_infop info_ptr,

int intent

)

void png_set_sRGB_gAMA_and_cHRM ( png_structp png_ptr,

png_infop info_ptr,

int intent

)

void png_set_strip_16 ( png_structp png_ptr )

void png_set_strip_alpha ( png_structp png_ptr )

void png_set_strip_error_numbers ( png_structp png_ptr,

png_uint_32 strip_mode

)

void png_set_swap ( png_structp png_ptr )

void png_set_swap_alpha ( png_structp png_ptr )

void png_set_text ( png_structp png_ptr,

png_infop info_ptr,

png_textp text_ptr,

int num_text

)

void png_set_tIME ( png_structp png_ptr,

png_infop info_ptr,

png_timep mod_time

)

void png_set_tRNS ( png_structp png_ptr,

png_infop info_ptr,

png_bytep trans,

int num_trans,

png_color_16p trans_values

)

void png_set_tRNS_to_alpha ( png_structp png_ptr )

void png_set_unknown_chunk_location ( png_structp png_ptr,

png_infop info_ptr,

int chunk,

int location

)

void png_set_unknown_chunks ( png_structp png_ptr,

png_infop info_ptr,

png_unknown_chunkp unknowns,

int num_unknowns

)

void png_set_user_limits ( png_structp png_ptr,

png_uint_32 user_width_max,

png_uint_32 user_height_max

)

void png_set_user_transform_info ( png_structp png_ptr,

png_voidp user_transform_ptr,

int user_transform_depth,

int user_transform_channels

)

void png_set_write_fn ( png_structp png_ptr,

png_voidp io_ptr,

png_rw_ptr write_data_fn,

png_flush_ptr output_flush_fn

)

void png_set_write_status_fn ( png_structp png_ptr,

png_write_status_ptr write_row_fn

)

void png_set_write_user_transform_fn ( png_structp png_ptr,

png_user_transform_ptr write_user_transform_fn

)

png_bytep png_sig_bytes ( void )

int png_sig_cmp ( png_bytep sig,

png_size_t start,

png_size_t num_to_check

)

void png_start_read_image ( png_structp png_ptr )

void png_warning ( png_structp png_ptr,

png_const_charp warning_message

)

void png_write_chunk ( png_structp png_ptr,

png_bytep chunk_name,

png_bytep data,

png_size_t length

)

void png_write_chunk_data ( png_structp png_ptr,

png_bytep data,

png_size_t length

)

void png_write_chunk_end ( png_structp png_ptr )

void png_write_chunk_start ( png_structp png_ptr,

png_bytep chunk_name,

png_uint_32 length

)

void png_write_destroy ( png_structp png_ptr )

void png_write_end ( png_structp png_ptr,

png_infop info_ptr

)

void png_write_flush ( png_structp png_ptr )

void png_write_image ( png_structp png_ptr,

png_bytepp image

)

void png_write_info ( png_structp png_ptr,

png_infop info_ptr

)

void png_write_info_before_PLTE ( png_structp png_ptr,

png_infop info_ptr

)

void png_write_png ( png_structp png_ptr,

png_infop info_ptr,

int transforms,

png_voidp params

)

void png_write_row ( png_structp png_ptr,

png_bytep row

)

void png_write_rows ( png_structp png_ptr,

png_bytepp row,

png_uint_32 num_rows

)

Variable Documentation

const char png_libpng_ver[18]

const int png_pass_dsp_mask[7]

const int png_pass_inc[7]

const int png_pass_mask[7]

const int png_pass_start[7]

const int png_pass_yinc[7]

const int png_pass_ystart[7]

Generated on Mon Sep 12 20:10:28 2005 for Destiny3D by

1.3-rc3