Angband
Data Structures | Macros | Typedefs | Functions | Variables
png.h File Reference
#include "zlib.h"
#include "pngconf.h"

Go to the source code of this file.

Data Structures

struct  png_color_struct
 
struct  png_color_16_struct
 
struct  png_color_8_struct
 
struct  png_sPLT_entry_struct
 
struct  png_sPLT_struct
 
struct  png_text_struct
 
struct  png_time_struct
 
struct  png_unknown_chunk_t
 
struct  png_info_struct
 
struct  png_row_info_struct
 
struct  png_struct_def
 

Macros

#define PNG_LIBPNG_VER_STRING   "1.2.37"
 
#define PNG_HEADER_VERSION_STRING   " libpng version 1.2.37 - June 4, 2009\n"
 
#define PNG_LIBPNG_VER_SONUM   0
 
#define PNG_LIBPNG_VER_DLLNUM   13
 
#define PNG_LIBPNG_VER_MAJOR   1
 
#define PNG_LIBPNG_VER_MINOR   2
 
#define PNG_LIBPNG_VER_RELEASE   37
 
#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_RELEASE_STATUS_MASK   7
 
#define PNG_LIBPNG_BUILD_PATCH
 
#define PNG_LIBPNG_BUILD_PRIVATE
 
#define PNG_LIBPNG_BUILD_SPECIAL
 
#define PNG_LIBPNG_BUILD_BASE_TYPE   PNG_LIBPNG_BUILD_STABLE
 
#define PNG_LIBPNG_VER   10237 /* 1.2.37 */
 
#define PNG_LIBPNG_BUILD_TYPE   (PNG_LIBPNG_BUILD_BASE_TYPE)
 
#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 /* Not a valid value */
 
#define PNG_CHUNK_NAME_LENGTH   5
 
#define PNG_UINT_31_MAX   ((png_uint_32)0x7fffffffL)
 
#define PNG_UINT_32_MAX   ((png_uint_32)(-1))
 
#define PNG_SIZE_MAX   ((png_size_t)(-1))
 
#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 /* Deflate method 8, 32K window */
 
#define PNG_COMPRESSION_TYPE_DEFAULT   PNG_COMPRESSION_TYPE_BASE
 
#define PNG_FILTER_TYPE_BASE   0 /* Single row per-byte filtering */
 
#define PNG_INTRAPIXEL_DIFFERENCING   64 /* Used only in MNG datastreams */
 
#define PNG_FILTER_TYPE_DEFAULT   PNG_FILTER_TYPE_BASE
 
#define PNG_INTERLACE_NONE   0 /* Non-interlaced image */
 
#define PNG_INTERLACE_ADAM7   1 /* Adam7 interlacing */
 
#define PNG_INTERLACE_LAST   2 /* Not a valid value */
 
#define PNG_OFFSET_PIXEL   0 /* Offset in pixels */
 
#define PNG_OFFSET_MICROMETER   1 /* Offset in micrometers (1/10^6 meter) */
 
#define PNG_OFFSET_LAST   2 /* Not a valid value */
 
#define PNG_EQUATION_LINEAR   0 /* Linear transformation */
 
#define PNG_EQUATION_BASE_E   1 /* Exponential base e transform */
 
#define PNG_EQUATION_ARBITRARY   2 /* Arbitrary base exponential transform */
 
#define PNG_EQUATION_HYPERBOLIC   3 /* Hyperbolic sine transformation */
 
#define PNG_EQUATION_LAST   4 /* Not a valid value */
 
#define PNG_SCALE_UNKNOWN   0 /* unknown unit (image scale) */
 
#define PNG_SCALE_METER   1 /* meters per pixel */
 
#define PNG_SCALE_RADIAN   2 /* radians per pixel */
 
#define PNG_SCALE_LAST   3 /* Not a valid value */
 
#define PNG_RESOLUTION_UNKNOWN   0 /* pixels/unknown unit (aspect ratio) */
 
#define PNG_RESOLUTION_METER   1 /* pixels/meter */
 
#define PNG_RESOLUTION_LAST   2 /* Not a valid value */
 
#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 /* Not a valid value */
 
#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 /* GR-P, 0.96a */
 
#define PNG_INFO_iCCP   0x1000 /* ESR, 1.0.6 */
 
#define PNG_INFO_sPLT   0x2000 /* ESR, 1.0.6 */
 
#define PNG_INFO_sCAL   0x4000 /* ESR, 1.0.6 */
 
#define PNG_INFO_IDAT   0x8000L /* ESR, 1.0.6 */
 
#define PNG_TRANSFORM_IDENTITY   0x0000 /* read and write */
 
#define PNG_TRANSFORM_STRIP_16   0x0001 /* read only */
 
#define PNG_TRANSFORM_STRIP_ALPHA   0x0002 /* read only */
 
#define PNG_TRANSFORM_PACKING   0x0004 /* read and write */
 
#define PNG_TRANSFORM_PACKSWAP   0x0008 /* read and write */
 
#define PNG_TRANSFORM_EXPAND   0x0010 /* read only */
 
#define PNG_TRANSFORM_INVERT_MONO   0x0020 /* read and write */
 
#define PNG_TRANSFORM_SHIFT   0x0040 /* read and write */
 
#define PNG_TRANSFORM_BGR   0x0080 /* read and write */
 
#define PNG_TRANSFORM_SWAP_ALPHA   0x0100 /* read and write */
 
#define PNG_TRANSFORM_SWAP_ENDIAN   0x0200 /* read and write */
 
#define PNG_TRANSFORM_INVERT_ALPHA   0x0400 /* read and write */
 
#define PNG_TRANSFORM_STRIP_FILLER   0x0800 /* WRITE only, deprecated */
 
#define PNG_TRANSFORM_STRIP_FILLER_BEFORE   0x0800 /* WRITE only */
 
#define PNG_TRANSFORM_STRIP_FILLER_AFTER   0x1000 /* WRITE only */
 
#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 /* error/quit warn/discard data */
 
#define PNG_CRC_ERROR_QUIT   1 /* error/quit error/quit */
 
#define PNG_CRC_WARN_DISCARD   2 /* (INVALID) warn/discard data */
 
#define PNG_CRC_WARN_USE   3 /* warn/use data warn/use data */
 
#define PNG_CRC_QUIET_USE   4 /* quiet/use data quiet/use data */
 
#define PNG_CRC_NO_CHANGE   5 /* use current value use current value */
 
#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 /* Currently "UNWEIGHTED" */
 
#define PNG_FILTER_HEURISTIC_UNWEIGHTED   1 /* Used by libpng < 0.95 */
 
#define PNG_FILTER_HEURISTIC_WEIGHTED   2 /* Experimental feature */
 
#define PNG_FILTER_HEURISTIC_LAST   3 /* Not a valid value */
 
#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 /* PNG_FREE_SPLT|PNG_FREE_TEXT|PNG_FREE_UNKN */
 
#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_composite(composite, fg, alpha, bg)
 
#define png_composite_16(composite, fg, alpha, bg)
 
#define PNG_HAVE_IHDR   0x01
 
#define PNG_HAVE_PLTE   0x02
 
#define PNG_HAVE_IDAT   0x04
 
#define PNG_AFTER_IDAT   0x08 /* Have complete zlib datastream */
 
#define PNG_HAVE_IEND   0x10
 

Typedefs

typedef struct png_color_struct png_color
 
typedef png_color FARpng_colorp
 
typedef png_color FAR *FARpng_colorpp
 
typedef struct png_color_16_struct png_color_16
 
typedef png_color_16 FARpng_color_16p
 
typedef png_color_16 FAR *FARpng_color_16pp
 
typedef struct png_color_8_struct png_color_8
 
typedef png_color_8 FARpng_color_8p
 
typedef png_color_8 FAR *FARpng_color_8pp
 
typedef struct png_sPLT_entry_struct png_sPLT_entry
 
typedef png_sPLT_entry FARpng_sPLT_entryp
 
typedef png_sPLT_entry FAR *FARpng_sPLT_entrypp
 
typedef struct png_sPLT_struct png_sPLT_t
 
typedef png_sPLT_t FARpng_sPLT_tp
 
typedef png_sPLT_t FAR *FARpng_sPLT_tpp
 
typedef struct png_text_struct png_text
 
typedef png_text FARpng_textp
 
typedef png_text FAR *FARpng_textpp
 
typedef struct png_time_struct png_time
 
typedef png_time FARpng_timep
 
typedef png_time FAR *FARpng_timepp
 
typedef struct png_unknown_chunk_t png_unknown_chunk
 
typedef png_unknown_chunk FARpng_unknown_chunkp
 
typedef png_unknown_chunk FAR *FARpng_unknown_chunkpp
 
typedef struct png_info_struct png_info
 
typedef png_info FARpng_infop
 
typedef png_info FAR *FARpng_infopp
 
typedef struct png_row_info_struct png_row_info
 
typedef png_row_info FARpng_row_infop
 
typedef png_row_info FAR *FARpng_row_infopp
 
typedef struct png_struct_def png_struct
 
typedef png_struct FARpng_structp
 
typedef png_voidp png_malloc_ptr PNGARG((png_structp, png_size_t))
 
typedef png_structp version_1_2_37
 
typedef png_struct FAR *FARpng_structpp
 

Functions

 PNG_EXPORT_VAR (PNG_CONST char) png_libpng_ver[18]
 
 PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_start[7]
 
typedef void (PNGAPI *png_error_ptr) PNGARG((png_structp
 
typedef int (PNGAPI *png_user_chunk_ptr) PNGARG((png_structp
 
 PNG_EXPORT (png_uint_32, png_access_version_number) PNGARG((void))
 
 PNG_EXPORT (void, png_set_sig_bytes) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (int, png_sig_cmp) PNGARG((png_bytep sig
 
 PNG_EXPORT (int, png_check_sig) PNGARG((png_bytep sig
 
 PNG_EXPORT (png_structp, png_create_read_struct) PNGARG((png_const_charp user_png_ver
 
 PNG_EXPORT (png_structp, png_create_write_struct) PNGARG((png_const_charp user_png_ver
 
 PNG_EXPORT (png_uint_32, png_get_compression_buffer_size) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_compression_buffer_size) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (int, png_reset_zstream) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (png_structp, png_create_read_struct_2) PNGARG((png_const_charp user_png_ver
 
 PNG_EXPORT (png_structp, png_create_write_struct_2) PNGARG((png_const_charp user_png_ver
 
 PNG_EXPORT (void, png_write_chunk) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_write_chunk_start) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_write_chunk_data) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_write_chunk_end) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (png_infop, png_create_info_struct) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_info_init) PNGARG((png_infop info_ptr))
 
 PNG_EXPORT (void, png_info_init_3) PNGARG((png_infopp info_ptr
 
 PNG_EXPORT (void, png_write_info_before_PLTE) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_write_info) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_read_info) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_charp, png_convert_to_rfc1123) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_convert_from_struct_tm) PNGARG((png_timep ptime
 
 PNG_EXPORT (void, png_convert_from_time_t) PNGARG((png_timep ptime
 
 PNG_EXPORT (void, png_set_expand) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_expand_gray_1_2_4_to_8) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_palette_to_rgb) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_tRNS_to_alpha) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_gray_1_2_4_to_8) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_bgr) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_gray_to_rgb) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_rgb_to_gray) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_rgb_to_gray_fixed) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_byte, png_get_rgb_to_gray_status) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_build_grayscale_palette) PNGARG((int bit_depth
 
 PNG_EXPORT (void, png_set_strip_alpha) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_swap_alpha) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_invert_alpha) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_filler) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_add_alpha) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_swap) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_packing) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_packswap) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_shift) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (int, png_set_interlace_handling) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_invert_mono) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_background) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_strip_16) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_dither) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_gamma) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_permit_empty_plte) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_flush) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_write_flush) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_start_read_image) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_read_update_info) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_read_rows) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_read_row) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_read_image) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_write_row) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_write_rows) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_write_image) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_write_end) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_read_end) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_destroy_info_struct) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_destroy_read_struct) PNGARG((png_structpp png_ptr_ptr
 
 PNG_EXPORT (void, png_read_destroy) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_destroy_write_struct) PNGARG((png_structpp png_ptr_ptr
 
 PNG_EXPORT (void, png_write_destroy) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_crc_action) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_filter) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_filter_heuristics) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_compression_level) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_compression_mem_level) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_compression_strategy) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_compression_window_bits) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_compression_method) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_init_io) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_error_fn) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_voidp, png_get_error_ptr) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_write_fn) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_read_fn) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_voidp, png_get_io_ptr) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_read_status_fn) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_write_status_fn) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_mem_fn) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_voidp, png_get_mem_ptr) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_read_user_transform_fn) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_write_user_transform_fn) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_user_transform_info) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_voidp, png_get_user_transform_ptr) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_read_user_chunk_fn) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_voidp, png_get_user_chunk_ptr) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_set_progressive_read_fn) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_voidp, png_get_progressive_ptr) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (void, png_process_data) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_progressive_combine_row) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_voidp, png_malloc) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_voidp, png_malloc_warn) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_free) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_free_data) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_data_freer) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_voidp, png_malloc_default) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_free_default) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_voidp, png_memcpy_check) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_voidp, png_memset_check) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_error) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_chunk_error) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_warning) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_chunk_warning) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_valid) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_rowbytes) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_bytepp, png_get_rows) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_rows) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_byte, png_get_channels) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_image_width) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_image_height) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_byte, png_get_bit_depth) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_byte, png_get_color_type) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_byte, png_get_filter_type) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_byte, png_get_interlace_type) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_byte, png_get_compression_type) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_pixels_per_meter) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_x_pixels_per_meter) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_y_pixels_per_meter) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (float, png_get_pixel_aspect_ratio) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_int_32, png_get_x_offset_pixels) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_int_32, png_get_y_offset_pixels) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_int_32, png_get_x_offset_microns) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_int_32, png_get_y_offset_microns) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_bytep, png_get_signature) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_bKGD) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_bKGD) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_cHRM) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_cHRM_fixed) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_cHRM) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_cHRM_fixed) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_gAMA) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_gAMA_fixed) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_gAMA) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_gAMA_fixed) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_hIST) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_hIST) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_IHDR) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_IHDR) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_oFFs) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_oFFs) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_pCAL) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_pCAL) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_pHYs) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_pHYs) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_PLTE) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_PLTE) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_sBIT) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_sBIT) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_sRGB) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_sRGB) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_sRGB_gAMA_and_cHRM) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_iCCP) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_iCCP) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_sPLT) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_sPLT) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_text) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_text) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_tIME) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_tIME) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_tRNS) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_tRNS) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_sCAL) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_sCAL) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_keep_unknown_chunks) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_unknown_chunks) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_unknown_chunk_location) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_unknown_chunks) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (int, png_handle_as_unknown) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_invalid) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_read_png) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_write_png) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_charp, png_get_copyright) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (png_charp, png_get_header_ver) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (png_charp, png_get_header_version) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (png_charp, png_get_libpng_ver) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (png_uint_32, png_permit_mng_features) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_strip_error_numbers) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_set_user_limits) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (png_uint_32, png_get_user_width_max) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (png_uint_32, png_get_user_height_max) PNGARG((png_structp png_ptr))
 
 PNG_EXPORT (png_uint_32, png_get_uint_32) PNGARG((png_bytep buf))
 
 PNG_EXPORT (png_uint_16, png_get_uint_16) PNGARG((png_bytep buf))
 
 PNG_EXPORT (png_int_32, png_get_int_32) PNGARG((png_bytep buf))
 
 PNG_EXPORT (png_uint_32, png_get_uint_31) PNGARG((png_structp png_ptr
 
 PNG_EXPORT (void, png_save_uint_32) PNGARG((png_bytep buf
 
 PNG_EXPORT (void, png_save_int_32) PNGARG((png_bytep buf
 
 PNG_EXPORT (void, png_save_uint_16) PNGARG((png_bytep buf
 

Variables

typedef png_const_charp
 
typedef png_bytep
 
typedef png_size_t
 
typedef png_uint_32
 
typedef int
 
int num_bytes
 
png_size_t start
 
png_size_t png_size_t num_to_check
 
int num
 
png_voidp error_ptr
 
png_voidp png_error_ptr error_fn
 
png_voidp png_error_ptr png_error_ptr warn_fn
 
png_uint_32 size
 
png_voidp png_error_ptr png_error_ptr png_voidp mem_ptr
 
png_voidp png_error_ptr png_error_ptr png_voidp png_malloc_ptr malloc_fn
 
png_voidp png_error_ptr png_error_ptr png_voidp png_malloc_ptr png_free_ptr free_fn
 
png_bytep chunk_name
 
png_bytep png_bytep data
 
png_bytep png_bytep png_size_t length
 
png_size_t png_info_struct_size
 
png_infop info_ptr
 
png_timep ptime
 
struct tm FARttime
 
int error_action
 
int double red
 
int double double green
 
png_colorp palette
 
png_uint_32 filler
 
png_uint_32 int flags
 
png_color_8p true_bits
 
png_color_16p background_color
 
png_color_16p int background_gamma_code
 
png_color_16p int int need_expand
 
png_color_16p int int double background_gamma
 
png_colorp int num_palette
 
png_colorp int int maximum_colors
 
png_colorp int int png_uint_16p histogram
 
png_colorp int int png_uint_16p int full_dither
 
double screen_gamma
 
double double default_file_gamma
 
int empty_plte_permitted
 
int nrows
 
png_bytepp row
 
png_bytepp png_bytepp display_row
 
png_bytepp png_bytepp png_uint_32 num_rows
 
png_bytepp image
 
png_infopp info_ptr_ptr
 
png_infopp png_infopp end_info_ptr_ptr
 
png_infop png_infop end_info_ptr
 
int crit_action
 
int int ancil_action
 
int method
 
int int filters
 
int heuristic_method
 
int int num_weights
 
int int png_doublep filter_weights
 
int int png_doublep png_doublep filter_costs
 
int level
 
int mem_level
 
int strategy
 
int window_bits
 
png_FILE_p fp
 
png_voidp png_error_ptr png_error_ptr warning_fn
 
png_voidp io_ptr
 
png_voidp png_rw_ptr write_data_fn
 
png_voidp png_rw_ptr png_flush_ptr output_flush_fn
 
png_voidp png_rw_ptr read_data_fn
 
png_read_status_ptr read_row_fn
 
png_write_status_ptr write_row_fn
 
png_user_transform_ptr read_user_transform_fn
 
png_user_transform_ptr write_user_transform_fn
 
png_voidp user_transform_ptr
 
png_voidp int user_transform_depth
 
png_voidp int int user_transform_channels
 
png_voidp user_chunk_ptr
 
png_voidp png_user_chunk_ptr read_user_chunk_fn
 
png_voidp progressive_ptr
 
png_voidp png_progressive_info_ptr info_fn
 
png_voidp png_progressive_info_ptr png_progressive_row_ptr row_fn
 
png_voidp png_progressive_info_ptr png_progressive_row_ptr png_progressive_end_ptr end_fn
 
png_infop png_bytep buffer
 
png_infop png_bytep png_size_t buffer_size
 
png_bytep old_row
 
png_bytep png_bytep new_row
 
png_voidp ptr
 
png_infop png_uint_32 free_me
 
png_infop int freer
 
png_infop int png_uint_32 mask
 
png_voidp s1
 
png_voidp png_voidp s2
 
png_voidp int value
 
png_const_charp error_message
 
png_const_charp warning_message
 
png_infop png_uint_32 flag
 
png_infop png_bytepp row_pointers
 
png_infop png_color_16pbackground
 
png_infop double * white_x
 
png_infop double double * white_y
 
png_infop double double double * red_x
 
png_infop double double double double * red_y
 
png_infop double double double double double * green_x
 
png_infop double double double double double double * green_y
 
png_infop double double double double double double double * blue_x
 
png_infop double double double double double double double double * blue_y
 
png_infop png_fixed_pointint_white_x
 
png_infop png_fixed_point png_fixed_pointint_white_y
 
png_infop png_fixed_point png_fixed_point png_fixed_pointint_red_x
 
png_infop png_fixed_point png_fixed_point png_fixed_point png_fixed_pointint_red_y
 
png_infop png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_pointint_green_x
 
png_infop png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_pointint_green_y
 
png_infop png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_pointint_blue_x
 
png_infop png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_pointint_blue_y
 
png_infop double * file_gamma
 
png_infop png_fixed_pointint_file_gamma
 
png_infop png_uint_16phist
 
png_infop png_uint_32width
 
png_infop png_uint_32 png_uint_32height
 
png_infop png_uint_32 png_uint_32 intbit_depth
 
png_infop png_uint_32 png_uint_32 int intcolor_type
 
png_infop png_uint_32 png_uint_32 int int intinterlace_method
 
png_infop png_uint_32 png_uint_32 int int int intcompression_method
 
png_infop png_uint_32 png_uint_32 int int int int intfilter_method
 
png_infop png_int_32offset_x
 
png_infop png_int_32 png_int_32offset_y
 
png_infop png_int_32 png_int_32 intunit_type
 
png_infop png_charppurpose
 
png_infop png_charp png_int_32X0
 
png_infop png_charp png_int_32 png_int_32X1
 
png_infop png_charp png_int_32 png_int_32 inttype
 
png_infop png_charp png_int_32 png_int_32 int intnparams
 
png_infop png_charp png_int_32 png_int_32 int int png_charpunits
 
png_infop png_charp png_int_32 png_int_32 int int png_charp png_charppparams
 
png_infop png_uint_32res_x
 
png_infop png_uint_32 png_uint_32res_y
 
png_infop png_color_8psig_bit
 
png_infop intintent
 
png_infop png_charpp name
 
png_infop png_charpp intcompression_type
 
png_infop png_charpp int png_charpp profile
 
png_infop png_charpp int png_charpp png_uint_32proflen
 
png_infop png_sPLT_tpp entries
 
png_infop png_sPLT_tp int nentries
 
png_infop png_textptext_ptr
 
png_infop png_textp intnum_text
 
png_infop png_timepmod_time
 
png_infop png_byteptrans
 
png_infop png_bytep intnum_trans
 
png_infop png_bytep int png_color_16ptrans_values
 
png_infop intunit
 
int keep
 
int png_bytep chunk_list
 list of pointers to saved chunks More...
 
int png_bytep int num_chunks
 
png_infop png_unknown_chunkp unknowns
 
png_infop png_unknown_chunkp int num_unknowns
 
png_infop int chunk
 
png_infop int int location
 
png_infop int transforms
 
png_uint_32 mng_features_permitted
 
png_uint_32 strip_mode
 
png_uint_32 user_width_max
 
png_uint_32 png_uint_32 user_height_max
 
png_bytep buf
 
png_uint_32 i
 

Macro Definition Documentation

◆ int_p_NULL

#define int_p_NULL   (int *)NULL

◆ PNG_AFTER_IDAT

#define PNG_AFTER_IDAT   0x08 /* Have complete zlib datastream */

◆ PNG_ALL_FILTERS

#define PNG_ALL_FILTERS
Value:
PNG_FILTER_AVG | PNG_FILTER_PAETH)
#define PNG_FILTER_PAETH
Definition: png.h:1887
#define PNG_FILTER_SUB
Definition: png.h:1884
#define PNG_FILTER_UP
Definition: png.h:1885
#define PNG_FILTER_NONE
Definition: png.h:1883

◆ PNG_ALL_MNG_FEATURES

#define PNG_ALL_MNG_FEATURES   0x05

◆ PNG_BACKGROUND_GAMMA_FILE

#define PNG_BACKGROUND_GAMMA_FILE   2

◆ PNG_BACKGROUND_GAMMA_SCREEN

#define PNG_BACKGROUND_GAMMA_SCREEN   1

◆ PNG_BACKGROUND_GAMMA_UNIQUE

#define PNG_BACKGROUND_GAMMA_UNIQUE   3

◆ PNG_BACKGROUND_GAMMA_UNKNOWN

#define PNG_BACKGROUND_GAMMA_UNKNOWN   0

◆ png_bytep_NULL

#define png_bytep_NULL   (png_bytep)NULL

◆ png_bytepp_NULL

#define png_bytepp_NULL   (png_bytepp)NULL

◆ PNG_CHUNK_NAME_LENGTH

#define PNG_CHUNK_NAME_LENGTH   5

◆ PNG_COLOR_MASK_ALPHA

#define PNG_COLOR_MASK_ALPHA   4

◆ PNG_COLOR_MASK_COLOR

#define PNG_COLOR_MASK_COLOR   2

◆ PNG_COLOR_MASK_PALETTE

#define PNG_COLOR_MASK_PALETTE   1

◆ PNG_COLOR_TYPE_GA

#define PNG_COLOR_TYPE_GA   PNG_COLOR_TYPE_GRAY_ALPHA

◆ PNG_COLOR_TYPE_GRAY

#define PNG_COLOR_TYPE_GRAY   0

◆ PNG_COLOR_TYPE_GRAY_ALPHA

#define PNG_COLOR_TYPE_GRAY_ALPHA   (PNG_COLOR_MASK_ALPHA)

◆ PNG_COLOR_TYPE_PALETTE

#define PNG_COLOR_TYPE_PALETTE   (PNG_COLOR_MASK_COLOR | PNG_COLOR_MASK_PALETTE)

◆ PNG_COLOR_TYPE_RGB

#define PNG_COLOR_TYPE_RGB   (PNG_COLOR_MASK_COLOR)

◆ PNG_COLOR_TYPE_RGB_ALPHA

#define PNG_COLOR_TYPE_RGB_ALPHA   (PNG_COLOR_MASK_COLOR | PNG_COLOR_MASK_ALPHA)

◆ PNG_COLOR_TYPE_RGBA

#define PNG_COLOR_TYPE_RGBA   PNG_COLOR_TYPE_RGB_ALPHA

◆ png_composite

#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); }
unsigned short png_uint_16
Definition: libpng12/pngconf.h:1133
unsigned char png_byte
Definition: libpng12/pngconf.h:1135

◆ png_composite_16

#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); }
typedef png_uint_32
Definition: png.h:1135
unsigned short png_uint_16
Definition: libpng12/pngconf.h:1133
unsigned long png_uint_32
Definition: libpng12/pngconf.h:1131

◆ PNG_COMPRESSION_TYPE_BASE

#define PNG_COMPRESSION_TYPE_BASE   0 /* Deflate method 8, 32K window */

◆ PNG_COMPRESSION_TYPE_DEFAULT

#define PNG_COMPRESSION_TYPE_DEFAULT   PNG_COMPRESSION_TYPE_BASE

◆ PNG_CRC_DEFAULT

#define PNG_CRC_DEFAULT   0 /* error/quit warn/discard data */

◆ PNG_CRC_ERROR_QUIT

#define PNG_CRC_ERROR_QUIT   1 /* error/quit error/quit */

◆ PNG_CRC_NO_CHANGE

#define PNG_CRC_NO_CHANGE   5 /* use current value use current value */

◆ PNG_CRC_QUIET_USE

#define PNG_CRC_QUIET_USE   4 /* quiet/use data quiet/use data */

◆ PNG_CRC_WARN_DISCARD

#define PNG_CRC_WARN_DISCARD   2 /* (INVALID) warn/discard data */

◆ PNG_CRC_WARN_USE

#define PNG_CRC_WARN_USE   3 /* warn/use data warn/use data */

◆ png_debug

#define png_debug (   l,
 
)

◆ png_debug1

#define png_debug1 (   l,
  m,
  p1 
)

◆ png_debug2

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

◆ PNG_DESTROY_WILL_FREE_DATA

#define PNG_DESTROY_WILL_FREE_DATA   1

◆ png_doublep_NULL

#define png_doublep_NULL   (png_doublep)NULL

◆ PNG_EQUATION_ARBITRARY

#define PNG_EQUATION_ARBITRARY   2 /* Arbitrary base exponential transform */

◆ PNG_EQUATION_BASE_E

#define PNG_EQUATION_BASE_E   1 /* Exponential base e transform */

◆ PNG_EQUATION_HYPERBOLIC

#define PNG_EQUATION_HYPERBOLIC   3 /* Hyperbolic sine transformation */

◆ PNG_EQUATION_LAST

#define PNG_EQUATION_LAST   4 /* Not a valid value */

◆ PNG_EQUATION_LINEAR

#define PNG_EQUATION_LINEAR   0 /* Linear transformation */

◆ png_error_ptr_NULL

#define png_error_ptr_NULL   (png_error_ptr)NULL

◆ PNG_FILLER_AFTER

#define PNG_FILLER_AFTER   1

◆ PNG_FILLER_BEFORE

#define PNG_FILLER_BEFORE   0

◆ PNG_FILTER_AVG

#define PNG_FILTER_AVG   0x40

◆ PNG_FILTER_HEURISTIC_DEFAULT

#define PNG_FILTER_HEURISTIC_DEFAULT   0 /* Currently "UNWEIGHTED" */

◆ PNG_FILTER_HEURISTIC_LAST

#define PNG_FILTER_HEURISTIC_LAST   3 /* Not a valid value */

◆ PNG_FILTER_HEURISTIC_UNWEIGHTED

#define PNG_FILTER_HEURISTIC_UNWEIGHTED   1 /* Used by libpng < 0.95 */

◆ PNG_FILTER_HEURISTIC_WEIGHTED

#define PNG_FILTER_HEURISTIC_WEIGHTED   2 /* Experimental feature */

◆ PNG_FILTER_NONE

#define PNG_FILTER_NONE   0x08

◆ PNG_FILTER_PAETH

#define PNG_FILTER_PAETH   0x80

◆ PNG_FILTER_SUB

#define PNG_FILTER_SUB   0x10

◆ PNG_FILTER_TYPE_BASE

#define PNG_FILTER_TYPE_BASE   0 /* Single row per-byte filtering */

◆ PNG_FILTER_TYPE_DEFAULT

#define PNG_FILTER_TYPE_DEFAULT   PNG_FILTER_TYPE_BASE

◆ PNG_FILTER_UP

#define PNG_FILTER_UP   0x20

◆ PNG_FILTER_VALUE_AVG

#define PNG_FILTER_VALUE_AVG   3

◆ PNG_FILTER_VALUE_LAST

#define PNG_FILTER_VALUE_LAST   5

◆ PNG_FILTER_VALUE_NONE

#define PNG_FILTER_VALUE_NONE   0

◆ PNG_FILTER_VALUE_PAETH

#define PNG_FILTER_VALUE_PAETH   4

◆ PNG_FILTER_VALUE_SUB

#define PNG_FILTER_VALUE_SUB   1

◆ PNG_FILTER_VALUE_UP

#define PNG_FILTER_VALUE_UP   2

◆ PNG_FLAG_MNG_EMPTY_PLTE

#define PNG_FLAG_MNG_EMPTY_PLTE   0x01

◆ PNG_FLAG_MNG_FILTER_64

#define PNG_FLAG_MNG_FILTER_64   0x04

◆ png_flush_ptr_NULL

#define png_flush_ptr_NULL   (png_flush_ptr)NULL

◆ PNG_FREE_ALL

#define PNG_FREE_ALL   0x7fff

◆ PNG_FREE_HIST

#define PNG_FREE_HIST   0x0008

◆ PNG_FREE_ICCP

#define PNG_FREE_ICCP   0x0010

◆ PNG_FREE_LIST

#define PNG_FREE_LIST   0x0400

◆ PNG_FREE_MUL

#define PNG_FREE_MUL   0x4220 /* PNG_FREE_SPLT|PNG_FREE_TEXT|PNG_FREE_UNKN */

◆ PNG_FREE_PCAL

#define PNG_FREE_PCAL   0x0080

◆ PNG_FREE_PLTE

#define PNG_FREE_PLTE   0x1000

◆ png_free_ptr_NULL

#define png_free_ptr_NULL   (png_free_ptr)NULL

◆ PNG_FREE_ROWS

#define PNG_FREE_ROWS   0x0040

◆ PNG_FREE_SCAL

#define PNG_FREE_SCAL   0x0100

◆ PNG_FREE_SPLT

#define PNG_FREE_SPLT   0x0020

◆ PNG_FREE_TEXT

#define PNG_FREE_TEXT   0x4000

◆ PNG_FREE_TRNS

#define PNG_FREE_TRNS   0x2000

◆ PNG_FREE_UNKN

#define PNG_FREE_UNKN   0x0200

◆ PNG_HANDLE_CHUNK_ALWAYS

#define PNG_HANDLE_CHUNK_ALWAYS   3

◆ PNG_HANDLE_CHUNK_AS_DEFAULT

#define PNG_HANDLE_CHUNK_AS_DEFAULT   0

◆ PNG_HANDLE_CHUNK_IF_SAFE

#define PNG_HANDLE_CHUNK_IF_SAFE   2

◆ PNG_HANDLE_CHUNK_NEVER

#define PNG_HANDLE_CHUNK_NEVER   1

◆ PNG_HAVE_IDAT

#define PNG_HAVE_IDAT   0x04

◆ PNG_HAVE_IEND

#define PNG_HAVE_IEND   0x10

◆ PNG_HAVE_IHDR

#define PNG_HAVE_IHDR   0x01

◆ PNG_HAVE_PLTE

#define PNG_HAVE_PLTE   0x02

◆ PNG_HEADER_VERSION_STRING

#define PNG_HEADER_VERSION_STRING   " libpng version 1.2.37 - June 4, 2009\n"

◆ PNG_INFO_bKGD

#define PNG_INFO_bKGD   0x0020

◆ PNG_INFO_cHRM

#define PNG_INFO_cHRM   0x0004

◆ PNG_INFO_gAMA

#define PNG_INFO_gAMA   0x0001

◆ PNG_INFO_hIST

#define PNG_INFO_hIST   0x0040

◆ PNG_INFO_iCCP

#define PNG_INFO_iCCP   0x1000 /* ESR, 1.0.6 */

◆ PNG_INFO_IDAT

#define PNG_INFO_IDAT   0x8000L /* ESR, 1.0.6 */

◆ png_info_init

#define png_info_init (   info_ptr)
Value:
png_info_init_3(&info_ptr,\
#define png_sizeof(x)
Definition: libpng12/pngconf.h:1144
Definition: libpng12/png.h:768
png_infop info_ptr
Definition: png.h:1596

◆ PNG_INFO_oFFs

#define PNG_INFO_oFFs   0x0100

◆ PNG_INFO_pCAL

#define PNG_INFO_pCAL   0x0400

◆ PNG_INFO_pHYs

#define PNG_INFO_pHYs   0x0080

◆ PNG_INFO_PLTE

#define PNG_INFO_PLTE   0x0008

◆ PNG_INFO_sBIT

#define PNG_INFO_sBIT   0x0002

◆ PNG_INFO_sCAL

#define PNG_INFO_sCAL   0x4000 /* ESR, 1.0.6 */

◆ PNG_INFO_sPLT

#define PNG_INFO_sPLT   0x2000 /* ESR, 1.0.6 */

◆ PNG_INFO_sRGB

#define PNG_INFO_sRGB   0x0800 /* GR-P, 0.96a */

◆ PNG_INFO_tIME

#define PNG_INFO_tIME   0x0200

◆ PNG_INFO_tRNS

#define PNG_INFO_tRNS   0x0010

◆ png_infopp_NULL

#define png_infopp_NULL   (png_infopp)NULL

◆ PNG_INTERLACE_ADAM7

#define PNG_INTERLACE_ADAM7   1 /* Adam7 interlacing */

◆ PNG_INTERLACE_LAST

#define PNG_INTERLACE_LAST   2 /* Not a valid value */

◆ PNG_INTERLACE_NONE

#define PNG_INTERLACE_NONE   0 /* Non-interlaced image */

◆ PNG_INTRAPIXEL_DIFFERENCING

#define PNG_INTRAPIXEL_DIFFERENCING   64 /* Used only in MNG datastreams */

◆ PNG_ITXT_COMPRESSION_NONE

#define PNG_ITXT_COMPRESSION_NONE   1

◆ PNG_ITXT_COMPRESSION_zTXt

#define PNG_ITXT_COMPRESSION_zTXt   2

◆ PNG_KEYWORD_MAX_LENGTH

#define PNG_KEYWORD_MAX_LENGTH   79

◆ PNG_LIBPNG_BUILD_ALPHA

#define PNG_LIBPNG_BUILD_ALPHA   1

◆ PNG_LIBPNG_BUILD_BASE_TYPE

#define PNG_LIBPNG_BUILD_BASE_TYPE   PNG_LIBPNG_BUILD_STABLE

◆ PNG_LIBPNG_BUILD_BETA

#define PNG_LIBPNG_BUILD_BETA   2

◆ PNG_LIBPNG_BUILD_PATCH

#define PNG_LIBPNG_BUILD_PATCH
Value:
8 /* Can be OR'ed with
PNG_LIBPNG_BUILD_STABLE only */

◆ PNG_LIBPNG_BUILD_PRIVATE

#define PNG_LIBPNG_BUILD_PRIVATE
Value:
16 /* Cannot be OR'ed with
PNG_LIBPNG_BUILD_SPECIAL */

◆ PNG_LIBPNG_BUILD_RC

#define PNG_LIBPNG_BUILD_RC   3

◆ PNG_LIBPNG_BUILD_RELEASE_STATUS_MASK

#define PNG_LIBPNG_BUILD_RELEASE_STATUS_MASK   7

◆ PNG_LIBPNG_BUILD_SPECIAL

#define PNG_LIBPNG_BUILD_SPECIAL
Value:
32 /* Cannot be OR'ed with
PNG_LIBPNG_BUILD_PRIVATE */

◆ PNG_LIBPNG_BUILD_STABLE

#define PNG_LIBPNG_BUILD_STABLE   4

◆ PNG_LIBPNG_BUILD_TYPE

#define PNG_LIBPNG_BUILD_TYPE   (PNG_LIBPNG_BUILD_BASE_TYPE)

◆ PNG_LIBPNG_VER

#define PNG_LIBPNG_VER   10237 /* 1.2.37 */

◆ PNG_LIBPNG_VER_BUILD

#define PNG_LIBPNG_VER_BUILD   0

◆ PNG_LIBPNG_VER_DLLNUM

#define PNG_LIBPNG_VER_DLLNUM   13

◆ PNG_LIBPNG_VER_MAJOR

#define PNG_LIBPNG_VER_MAJOR   1

◆ PNG_LIBPNG_VER_MINOR

#define PNG_LIBPNG_VER_MINOR   2

◆ PNG_LIBPNG_VER_RELEASE

#define PNG_LIBPNG_VER_RELEASE   37

◆ PNG_LIBPNG_VER_SONUM

#define PNG_LIBPNG_VER_SONUM   0

◆ PNG_LIBPNG_VER_STRING

#define PNG_LIBPNG_VER_STRING   "1.2.37"

◆ png_malloc_ptr_NULL

#define png_malloc_ptr_NULL   (png_malloc_ptr)NULL

◆ PNG_MAX_PALETTE_LENGTH

#define PNG_MAX_PALETTE_LENGTH   256

◆ PNG_MAX_UINT

#define PNG_MAX_UINT   PNG_UINT_31_MAX

◆ PNG_NO_FILTERS

#define PNG_NO_FILTERS   0x00

◆ PNG_OFFSET_LAST

#define PNG_OFFSET_LAST   2 /* Not a valid value */

◆ PNG_OFFSET_MICROMETER

#define PNG_OFFSET_MICROMETER   1 /* Offset in micrometers (1/10^6 meter) */

◆ PNG_OFFSET_PIXEL

#define PNG_OFFSET_PIXEL   0 /* Offset in pixels */

◆ png_read_status_ptr_NULL

#define png_read_status_ptr_NULL   (png_read_status_ptr)NULL

◆ PNG_RESOLUTION_LAST

#define PNG_RESOLUTION_LAST   2 /* Not a valid value */

◆ PNG_RESOLUTION_METER

#define PNG_RESOLUTION_METER   1 /* pixels/meter */

◆ PNG_RESOLUTION_UNKNOWN

#define PNG_RESOLUTION_UNKNOWN   0 /* pixels/unknown unit (aspect ratio) */

◆ png_rw_ptr_NULL

#define png_rw_ptr_NULL   (png_rw_ptr)NULL

◆ PNG_SCALE_LAST

#define PNG_SCALE_LAST   3 /* Not a valid value */

◆ PNG_SCALE_METER

#define PNG_SCALE_METER   1 /* meters per pixel */

◆ PNG_SCALE_RADIAN

#define PNG_SCALE_RADIAN   2 /* radians per pixel */

◆ PNG_SCALE_UNKNOWN

#define PNG_SCALE_UNKNOWN   0 /* unknown unit (image scale) */

◆ PNG_SET_WILL_FREE_DATA

#define PNG_SET_WILL_FREE_DATA   1

◆ PNG_SIZE_MAX

#define PNG_SIZE_MAX   ((png_size_t)(-1))

◆ PNG_sRGB_INTENT_ABSOLUTE

#define PNG_sRGB_INTENT_ABSOLUTE   3

◆ PNG_sRGB_INTENT_LAST

#define PNG_sRGB_INTENT_LAST   4 /* Not a valid value */

◆ PNG_sRGB_INTENT_PERCEPTUAL

#define PNG_sRGB_INTENT_PERCEPTUAL   0

◆ PNG_sRGB_INTENT_RELATIVE

#define PNG_sRGB_INTENT_RELATIVE   1

◆ PNG_sRGB_INTENT_SATURATION

#define PNG_sRGB_INTENT_SATURATION   2

◆ png_structp_NULL

#define png_structp_NULL   (png_structp)NULL

◆ PNG_TEXT_COMPRESSION_LAST

#define PNG_TEXT_COMPRESSION_LAST   3 /* Not a valid value */

◆ PNG_TEXT_COMPRESSION_NONE

#define PNG_TEXT_COMPRESSION_NONE   -1

◆ PNG_TEXT_COMPRESSION_NONE_WR

#define PNG_TEXT_COMPRESSION_NONE_WR   -3

◆ PNG_TEXT_COMPRESSION_zTXt

#define PNG_TEXT_COMPRESSION_zTXt   0

◆ PNG_TEXT_COMPRESSION_zTXt_WR

#define PNG_TEXT_COMPRESSION_zTXt_WR   -2

◆ PNG_TRANSFORM_BGR

#define PNG_TRANSFORM_BGR   0x0080 /* read and write */

◆ PNG_TRANSFORM_EXPAND

#define PNG_TRANSFORM_EXPAND   0x0010 /* read only */

◆ PNG_TRANSFORM_IDENTITY

#define PNG_TRANSFORM_IDENTITY   0x0000 /* read and write */

◆ PNG_TRANSFORM_INVERT_ALPHA

#define PNG_TRANSFORM_INVERT_ALPHA   0x0400 /* read and write */

◆ PNG_TRANSFORM_INVERT_MONO

#define PNG_TRANSFORM_INVERT_MONO   0x0020 /* read and write */

◆ PNG_TRANSFORM_PACKING

#define PNG_TRANSFORM_PACKING   0x0004 /* read and write */

◆ PNG_TRANSFORM_PACKSWAP

#define PNG_TRANSFORM_PACKSWAP   0x0008 /* read and write */

◆ PNG_TRANSFORM_SHIFT

#define PNG_TRANSFORM_SHIFT   0x0040 /* read and write */

◆ PNG_TRANSFORM_STRIP_16

#define PNG_TRANSFORM_STRIP_16   0x0001 /* read only */

◆ PNG_TRANSFORM_STRIP_ALPHA

#define PNG_TRANSFORM_STRIP_ALPHA   0x0002 /* read only */

◆ PNG_TRANSFORM_STRIP_FILLER

#define PNG_TRANSFORM_STRIP_FILLER   0x0800 /* WRITE only, deprecated */

◆ PNG_TRANSFORM_STRIP_FILLER_AFTER

#define PNG_TRANSFORM_STRIP_FILLER_AFTER   0x1000 /* WRITE only */

◆ PNG_TRANSFORM_STRIP_FILLER_BEFORE

#define PNG_TRANSFORM_STRIP_FILLER_BEFORE   0x0800 /* WRITE only */

◆ PNG_TRANSFORM_SWAP_ALPHA

#define PNG_TRANSFORM_SWAP_ALPHA   0x0100 /* read and write */

◆ PNG_TRANSFORM_SWAP_ENDIAN

#define PNG_TRANSFORM_SWAP_ENDIAN   0x0200 /* read and write */

◆ png_uint_16p_NULL

#define png_uint_16p_NULL   (png_uint_16p)NULL

◆ PNG_UINT_31_MAX

#define PNG_UINT_31_MAX   ((png_uint_32)0x7fffffffL)

◆ PNG_UINT_32_MAX

#define PNG_UINT_32_MAX   ((png_uint_32)(-1))

◆ PNG_USER_WILL_FREE_DATA

#define PNG_USER_WILL_FREE_DATA   2

◆ png_voidp_NULL

#define png_voidp_NULL   (png_voidp)NULL

◆ png_write_status_ptr_NULL

#define png_write_status_ptr_NULL   (png_write_status_ptr)NULL

Typedef Documentation

◆ png_color

typedef struct png_color_struct png_color

◆ png_color_16

◆ png_color_16p

◆ png_color_16pp

◆ png_color_8

◆ png_color_8p

◆ png_color_8pp

◆ png_colorp

◆ png_colorpp

◆ png_info

typedef struct png_info_struct png_info

◆ png_infop

typedef png_infop

◆ png_infopp

◆ png_row_info

◆ png_row_infop

typedef png_row_infop

◆ png_row_infopp

◆ png_sPLT_entry

◆ png_sPLT_entryp

◆ png_sPLT_entrypp

◆ png_sPLT_t

typedef struct png_sPLT_struct png_sPLT_t

◆ png_sPLT_tp

◆ png_sPLT_tpp

◆ png_struct

typedef struct png_struct_def png_struct

◆ png_structp

◆ png_structpp

◆ png_text

typedef struct png_text_struct png_text

◆ png_textp

◆ png_textpp

◆ png_time

typedef struct png_time_struct png_time

◆ png_timep

◆ png_timepp

◆ png_unknown_chunk

◆ png_unknown_chunkp

◆ png_unknown_chunkpp

◆ PNGARG

typedef void png_free_ptr PNGARG((png_structp, png_voidp))

◆ version_1_2_37

Function Documentation

◆ int()

typedef int ( PNGAPI png_user_chunk_ptr)

◆ PNG_EXPORT() [1/193]

PNG_EXPORT ( png_uint_32  ,
png_access_version_number   
)

◆ PNG_EXPORT() [2/193]

PNG_EXPORT ( void  ,
png_set_sig_bytes   
)

◆ PNG_EXPORT() [3/193]

PNG_EXPORT ( int  ,
png_sig_cmp   
)

◆ PNG_EXPORT() [4/193]

PNG_EXPORT ( int  ,
png_check_sig   
)

◆ PNG_EXPORT() [5/193]

PNG_EXPORT ( png_structp  ,
png_create_read_struct   
)

◆ PNG_EXPORT() [6/193]

PNG_EXPORT ( png_structp  ,
png_create_write_struct   
)

◆ PNG_EXPORT() [7/193]

PNG_EXPORT ( png_uint_32  ,
png_get_compression_buffer_size   
)

◆ PNG_EXPORT() [8/193]

PNG_EXPORT ( void  ,
png_set_compression_buffer_size   
)

◆ PNG_EXPORT() [9/193]

PNG_EXPORT ( int  ,
png_reset_zstream   
)

◆ PNG_EXPORT() [10/193]

PNG_EXPORT ( png_structp  ,
png_create_read_struct_2   
)

◆ PNG_EXPORT() [11/193]

PNG_EXPORT ( png_structp  ,
png_create_write_struct_2   
)

◆ PNG_EXPORT() [12/193]

PNG_EXPORT ( void  ,
png_write_chunk   
)

◆ PNG_EXPORT() [13/193]

PNG_EXPORT ( void  ,
png_write_chunk_start   
)

◆ PNG_EXPORT() [14/193]

PNG_EXPORT ( void  ,
png_write_chunk_data   
)

◆ PNG_EXPORT() [15/193]

PNG_EXPORT ( void  ,
png_write_chunk_end   
)

◆ PNG_EXPORT() [16/193]

PNG_EXPORT ( png_infop  ,
png_create_info_struct   
)

◆ PNG_EXPORT() [17/193]

PNG_EXPORT ( void  ,
png_info_init   
)

◆ PNG_EXPORT() [18/193]

PNG_EXPORT ( void  ,
png_info_init_3   
)

◆ PNG_EXPORT() [19/193]

PNG_EXPORT ( void  ,
png_write_info_before_PLTE   
)

◆ PNG_EXPORT() [20/193]

PNG_EXPORT ( void  ,
png_write_info   
)

◆ PNG_EXPORT() [21/193]

PNG_EXPORT ( void  ,
png_read_info   
)

◆ PNG_EXPORT() [22/193]

PNG_EXPORT ( png_charp  ,
png_convert_to_rfc1123   
)

◆ PNG_EXPORT() [23/193]

PNG_EXPORT ( void  ,
png_convert_from_struct_tm   
)

◆ PNG_EXPORT() [24/193]

PNG_EXPORT ( void  ,
png_convert_from_time_t   
)

◆ PNG_EXPORT() [25/193]

PNG_EXPORT ( void  ,
png_set_expand   
)

◆ PNG_EXPORT() [26/193]

PNG_EXPORT ( void  ,
png_set_expand_gray_1_2_4_to_8   
)

◆ PNG_EXPORT() [27/193]

PNG_EXPORT ( void  ,
png_set_palette_to_rgb   
)

◆ PNG_EXPORT() [28/193]

PNG_EXPORT ( void  ,
png_set_tRNS_to_alpha   
)

◆ PNG_EXPORT() [29/193]

PNG_EXPORT ( void  ,
png_set_gray_1_2_4_to_8   
)

◆ PNG_EXPORT() [30/193]

PNG_EXPORT ( void  ,
png_set_bgr   
)

◆ PNG_EXPORT() [31/193]

PNG_EXPORT ( void  ,
png_set_gray_to_rgb   
)

◆ PNG_EXPORT() [32/193]

PNG_EXPORT ( void  ,
png_set_rgb_to_gray   
)

◆ PNG_EXPORT() [33/193]

PNG_EXPORT ( void  ,
png_set_rgb_to_gray_fixed   
)

◆ PNG_EXPORT() [34/193]

PNG_EXPORT ( png_byte  ,
png_get_rgb_to_gray_status   
)

◆ PNG_EXPORT() [35/193]

PNG_EXPORT ( void  ,
png_build_grayscale_palette   
)

◆ PNG_EXPORT() [36/193]

PNG_EXPORT ( void  ,
png_set_strip_alpha   
)

◆ PNG_EXPORT() [37/193]

PNG_EXPORT ( void  ,
png_set_swap_alpha   
)

◆ PNG_EXPORT() [38/193]

PNG_EXPORT ( void  ,
png_set_invert_alpha   
)

◆ PNG_EXPORT() [39/193]

PNG_EXPORT ( void  ,
png_set_filler   
)

◆ PNG_EXPORT() [40/193]

PNG_EXPORT ( void  ,
png_set_add_alpha   
)

◆ PNG_EXPORT() [41/193]

PNG_EXPORT ( void  ,
png_set_swap   
)

◆ PNG_EXPORT() [42/193]

PNG_EXPORT ( void  ,
png_set_packing   
)

◆ PNG_EXPORT() [43/193]

PNG_EXPORT ( void  ,
png_set_packswap   
)

◆ PNG_EXPORT() [44/193]

PNG_EXPORT ( void  ,
png_set_shift   
)

◆ PNG_EXPORT() [45/193]

PNG_EXPORT ( int  ,
png_set_interlace_handling   
)

◆ PNG_EXPORT() [46/193]

PNG_EXPORT ( void  ,
png_set_invert_mono   
)

◆ PNG_EXPORT() [47/193]

PNG_EXPORT ( void  ,
png_set_background   
)

◆ PNG_EXPORT() [48/193]

PNG_EXPORT ( void  ,
png_set_strip_16   
)

◆ PNG_EXPORT() [49/193]

PNG_EXPORT ( void  ,
png_set_dither   
)

◆ PNG_EXPORT() [50/193]

PNG_EXPORT ( void  ,
png_set_gamma   
)

◆ PNG_EXPORT() [51/193]

PNG_EXPORT ( void  ,
png_permit_empty_plte   
)

◆ PNG_EXPORT() [52/193]

PNG_EXPORT ( void  ,
png_set_flush   
)

◆ PNG_EXPORT() [53/193]

PNG_EXPORT ( void  ,
png_write_flush   
)

◆ PNG_EXPORT() [54/193]

PNG_EXPORT ( void  ,
png_start_read_image   
)

◆ PNG_EXPORT() [55/193]

PNG_EXPORT ( void  ,
png_read_update_info   
)

◆ PNG_EXPORT() [56/193]

PNG_EXPORT ( void  ,
png_read_rows   
)

◆ PNG_EXPORT() [57/193]

PNG_EXPORT ( void  ,
png_read_row   
)

◆ PNG_EXPORT() [58/193]

PNG_EXPORT ( void  ,
png_read_image   
)

◆ PNG_EXPORT() [59/193]

PNG_EXPORT ( void  ,
png_write_row   
)

◆ PNG_EXPORT() [60/193]

PNG_EXPORT ( void  ,
png_write_rows   
)

◆ PNG_EXPORT() [61/193]

PNG_EXPORT ( void  ,
png_write_image   
)

◆ PNG_EXPORT() [62/193]

PNG_EXPORT ( void  ,
png_write_end   
)

◆ PNG_EXPORT() [63/193]

PNG_EXPORT ( void  ,
png_read_end   
)

◆ PNG_EXPORT() [64/193]

PNG_EXPORT ( void  ,
png_destroy_info_struct   
)

◆ PNG_EXPORT() [65/193]

PNG_EXPORT ( void  ,
png_destroy_read_struct   
)

◆ PNG_EXPORT() [66/193]

PNG_EXPORT ( void  ,
png_read_destroy   
)

◆ PNG_EXPORT() [67/193]

PNG_EXPORT ( void  ,
png_destroy_write_struct   
)

◆ PNG_EXPORT() [68/193]

PNG_EXPORT ( void  ,
png_write_destroy   
)

◆ PNG_EXPORT() [69/193]

PNG_EXPORT ( void  ,
png_set_crc_action   
)

◆ PNG_EXPORT() [70/193]

PNG_EXPORT ( void  ,
png_set_filter   
)

◆ PNG_EXPORT() [71/193]

PNG_EXPORT ( void  ,
png_set_filter_heuristics   
)

◆ PNG_EXPORT() [72/193]

PNG_EXPORT ( void  ,
png_set_compression_level   
)

◆ PNG_EXPORT() [73/193]

PNG_EXPORT ( void  ,
png_set_compression_mem_level   
)

◆ PNG_EXPORT() [74/193]

PNG_EXPORT ( void  ,
png_set_compression_strategy   
)

◆ PNG_EXPORT() [75/193]

PNG_EXPORT ( void  ,
png_set_compression_window_bits   
)

◆ PNG_EXPORT() [76/193]

PNG_EXPORT ( void  ,
png_set_compression_method   
)

◆ PNG_EXPORT() [77/193]

PNG_EXPORT ( void  ,
png_init_io   
)

◆ PNG_EXPORT() [78/193]

PNG_EXPORT ( void  ,
png_set_error_fn   
)

◆ PNG_EXPORT() [79/193]

PNG_EXPORT ( png_voidp  ,
png_get_error_ptr   
)

◆ PNG_EXPORT() [80/193]

PNG_EXPORT ( void  ,
png_set_write_fn   
)

◆ PNG_EXPORT() [81/193]

PNG_EXPORT ( void  ,
png_set_read_fn   
)

◆ PNG_EXPORT() [82/193]

PNG_EXPORT ( png_voidp  ,
png_get_io_ptr   
)

◆ PNG_EXPORT() [83/193]

PNG_EXPORT ( void  ,
png_set_read_status_fn   
)

◆ PNG_EXPORT() [84/193]

PNG_EXPORT ( void  ,
png_set_write_status_fn   
)

◆ PNG_EXPORT() [85/193]

PNG_EXPORT ( void  ,
png_set_mem_fn   
)

◆ PNG_EXPORT() [86/193]

PNG_EXPORT ( png_voidp  ,
png_get_mem_ptr   
)

◆ PNG_EXPORT() [87/193]

PNG_EXPORT ( void  ,
png_set_read_user_transform_fn   
)

◆ PNG_EXPORT() [88/193]

PNG_EXPORT ( void  ,
png_set_write_user_transform_fn   
)

◆ PNG_EXPORT() [89/193]

PNG_EXPORT ( void  ,
png_set_user_transform_info   
)

◆ PNG_EXPORT() [90/193]

PNG_EXPORT ( png_voidp  ,
png_get_user_transform_ptr   
)

◆ PNG_EXPORT() [91/193]

PNG_EXPORT ( void  ,
png_set_read_user_chunk_fn   
)

◆ PNG_EXPORT() [92/193]

PNG_EXPORT ( png_voidp  ,
png_get_user_chunk_ptr   
)

◆ PNG_EXPORT() [93/193]

PNG_EXPORT ( void  ,
png_set_progressive_read_fn   
)

◆ PNG_EXPORT() [94/193]

PNG_EXPORT ( png_voidp  ,
png_get_progressive_ptr   
)

◆ PNG_EXPORT() [95/193]

PNG_EXPORT ( void  ,
png_process_data   
)

◆ PNG_EXPORT() [96/193]

PNG_EXPORT ( void  ,
png_progressive_combine_row   
)

◆ PNG_EXPORT() [97/193]

PNG_EXPORT ( png_voidp  ,
png_malloc   
)

◆ PNG_EXPORT() [98/193]

PNG_EXPORT ( png_voidp  ,
png_malloc_warn   
)

◆ PNG_EXPORT() [99/193]

PNG_EXPORT ( void  ,
png_free   
)

◆ PNG_EXPORT() [100/193]

PNG_EXPORT ( void  ,
png_free_data   
)

◆ PNG_EXPORT() [101/193]

PNG_EXPORT ( void  ,
png_data_freer   
)

◆ PNG_EXPORT() [102/193]

PNG_EXPORT ( png_voidp  ,
png_malloc_default   
)

◆ PNG_EXPORT() [103/193]

PNG_EXPORT ( void  ,
png_free_default   
)

◆ PNG_EXPORT() [104/193]

PNG_EXPORT ( png_voidp  ,
png_memcpy_check   
)

◆ PNG_EXPORT() [105/193]

PNG_EXPORT ( png_voidp  ,
png_memset_check   
)

◆ PNG_EXPORT() [106/193]

PNG_EXPORT ( void  ,
png_error   
)

◆ PNG_EXPORT() [107/193]

PNG_EXPORT ( void  ,
png_chunk_error   
)

◆ PNG_EXPORT() [108/193]

PNG_EXPORT ( void  ,
png_warning   
)

◆ PNG_EXPORT() [109/193]

PNG_EXPORT ( void  ,
png_chunk_warning   
)

◆ PNG_EXPORT() [110/193]

PNG_EXPORT ( png_uint_32  ,
png_get_valid   
)

◆ PNG_EXPORT() [111/193]

PNG_EXPORT ( png_uint_32  ,
png_get_rowbytes   
)

◆ PNG_EXPORT() [112/193]

PNG_EXPORT ( png_bytepp  ,
png_get_rows   
)

◆ PNG_EXPORT() [113/193]

PNG_EXPORT ( void  ,
png_set_rows   
)

◆ PNG_EXPORT() [114/193]

PNG_EXPORT ( png_byte  ,
png_get_channels   
)

◆ PNG_EXPORT() [115/193]

PNG_EXPORT ( png_uint_32  ,
png_get_image_width   
)

◆ PNG_EXPORT() [116/193]

PNG_EXPORT ( png_uint_32  ,
png_get_image_height   
)

◆ PNG_EXPORT() [117/193]

PNG_EXPORT ( png_byte  ,
png_get_bit_depth   
)

◆ PNG_EXPORT() [118/193]

PNG_EXPORT ( png_byte  ,
png_get_color_type   
)

◆ PNG_EXPORT() [119/193]

PNG_EXPORT ( png_byte  ,
png_get_filter_type   
)

◆ PNG_EXPORT() [120/193]

PNG_EXPORT ( png_byte  ,
png_get_interlace_type   
)

◆ PNG_EXPORT() [121/193]

PNG_EXPORT ( png_byte  ,
png_get_compression_type   
)

◆ PNG_EXPORT() [122/193]

PNG_EXPORT ( png_uint_32  ,
png_get_pixels_per_meter   
)

◆ PNG_EXPORT() [123/193]

PNG_EXPORT ( png_uint_32  ,
png_get_x_pixels_per_meter   
)

◆ PNG_EXPORT() [124/193]

PNG_EXPORT ( png_uint_32  ,
png_get_y_pixels_per_meter   
)

◆ PNG_EXPORT() [125/193]

PNG_EXPORT ( float  ,
png_get_pixel_aspect_ratio   
)

◆ PNG_EXPORT() [126/193]

PNG_EXPORT ( png_int_32  ,
png_get_x_offset_pixels   
)

◆ PNG_EXPORT() [127/193]

PNG_EXPORT ( png_int_32  ,
png_get_y_offset_pixels   
)

◆ PNG_EXPORT() [128/193]

PNG_EXPORT ( png_int_32  ,
png_get_x_offset_microns   
)

◆ PNG_EXPORT() [129/193]

PNG_EXPORT ( png_int_32  ,
png_get_y_offset_microns   
)

◆ PNG_EXPORT() [130/193]

PNG_EXPORT ( png_bytep  ,
png_get_signature   
)

◆ PNG_EXPORT() [131/193]

PNG_EXPORT ( png_uint_32  ,
png_get_bKGD   
)

◆ PNG_EXPORT() [132/193]

PNG_EXPORT ( void  ,
png_set_bKGD   
)

◆ PNG_EXPORT() [133/193]

PNG_EXPORT ( png_uint_32  ,
png_get_cHRM   
)

◆ PNG_EXPORT() [134/193]

PNG_EXPORT ( png_uint_32  ,
png_get_cHRM_fixed   
)

◆ PNG_EXPORT() [135/193]

PNG_EXPORT ( void  ,
png_set_cHRM   
)

◆ PNG_EXPORT() [136/193]

PNG_EXPORT ( void  ,
png_set_cHRM_fixed   
)

◆ PNG_EXPORT() [137/193]

PNG_EXPORT ( png_uint_32  ,
png_get_gAMA   
)

◆ PNG_EXPORT() [138/193]

PNG_EXPORT ( png_uint_32  ,
png_get_gAMA_fixed   
)

◆ PNG_EXPORT() [139/193]

PNG_EXPORT ( void  ,
png_set_gAMA   
)

◆ PNG_EXPORT() [140/193]

PNG_EXPORT ( void  ,
png_set_gAMA_fixed   
)

◆ PNG_EXPORT() [141/193]

PNG_EXPORT ( png_uint_32  ,
png_get_hIST   
)

◆ PNG_EXPORT() [142/193]

PNG_EXPORT ( void  ,
png_set_hIST   
)

◆ PNG_EXPORT() [143/193]

PNG_EXPORT ( png_uint_32  ,
png_get_IHDR   
)

◆ PNG_EXPORT() [144/193]

PNG_EXPORT ( void  ,
png_set_IHDR   
)

◆ PNG_EXPORT() [145/193]

PNG_EXPORT ( png_uint_32  ,
png_get_oFFs   
)

◆ PNG_EXPORT() [146/193]

PNG_EXPORT ( void  ,
png_set_oFFs   
)

◆ PNG_EXPORT() [147/193]

PNG_EXPORT ( png_uint_32  ,
png_get_pCAL   
)

◆ PNG_EXPORT() [148/193]

PNG_EXPORT ( void  ,
png_set_pCAL   
)

◆ PNG_EXPORT() [149/193]

PNG_EXPORT ( png_uint_32  ,
png_get_pHYs   
)

◆ PNG_EXPORT() [150/193]

PNG_EXPORT ( void  ,
png_set_pHYs   
)

◆ PNG_EXPORT() [151/193]

PNG_EXPORT ( png_uint_32  ,
png_get_PLTE   
)

◆ PNG_EXPORT() [152/193]

PNG_EXPORT ( void  ,
png_set_PLTE   
)

◆ PNG_EXPORT() [153/193]

PNG_EXPORT ( png_uint_32  ,
png_get_sBIT   
)

◆ PNG_EXPORT() [154/193]

PNG_EXPORT ( void  ,
png_set_sBIT   
)

◆ PNG_EXPORT() [155/193]

PNG_EXPORT ( png_uint_32  ,
png_get_sRGB   
)

◆ PNG_EXPORT() [156/193]

PNG_EXPORT ( void  ,
png_set_sRGB   
)

◆ PNG_EXPORT() [157/193]

PNG_EXPORT ( void  ,
png_set_sRGB_gAMA_and_cHRM   
)

◆ PNG_EXPORT() [158/193]

PNG_EXPORT ( png_uint_32  ,
png_get_iCCP   
)

◆ PNG_EXPORT() [159/193]

PNG_EXPORT ( void  ,
png_set_iCCP   
)

◆ PNG_EXPORT() [160/193]

PNG_EXPORT ( png_uint_32  ,
png_get_sPLT   
)

◆ PNG_EXPORT() [161/193]

PNG_EXPORT ( void  ,
png_set_sPLT   
)

◆ PNG_EXPORT() [162/193]

PNG_EXPORT ( png_uint_32  ,
png_get_text   
)

◆ PNG_EXPORT() [163/193]

PNG_EXPORT ( void  ,
png_set_text   
)

◆ PNG_EXPORT() [164/193]

PNG_EXPORT ( png_uint_32  ,
png_get_tIME   
)

◆ PNG_EXPORT() [165/193]

PNG_EXPORT ( void  ,
png_set_tIME   
)

◆ PNG_EXPORT() [166/193]

PNG_EXPORT ( png_uint_32  ,
png_get_tRNS   
)

◆ PNG_EXPORT() [167/193]

PNG_EXPORT ( void  ,
png_set_tRNS   
)

◆ PNG_EXPORT() [168/193]

PNG_EXPORT ( png_uint_32  ,
png_get_sCAL   
)

◆ PNG_EXPORT() [169/193]

PNG_EXPORT ( void  ,
png_set_sCAL   
)

◆ PNG_EXPORT() [170/193]

PNG_EXPORT ( void  ,
png_set_keep_unknown_chunks   
)

◆ PNG_EXPORT() [171/193]

PNG_EXPORT ( void  ,
png_set_unknown_chunks   
)

◆ PNG_EXPORT() [172/193]

PNG_EXPORT ( void  ,
png_set_unknown_chunk_location   
)

◆ PNG_EXPORT() [173/193]

PNG_EXPORT ( png_uint_32  ,
png_get_unknown_chunks   
)

◆ PNG_EXPORT() [174/193]

PNG_EXPORT ( int  ,
png_handle_as_unknown   
)

◆ PNG_EXPORT() [175/193]

PNG_EXPORT ( void  ,
png_set_invalid   
)

◆ PNG_EXPORT() [176/193]

PNG_EXPORT ( void  ,
png_read_png   
)

◆ PNG_EXPORT() [177/193]

PNG_EXPORT ( void  ,
png_write_png   
)

◆ PNG_EXPORT() [178/193]

PNG_EXPORT ( png_charp  ,
png_get_copyright   
)

◆ PNG_EXPORT() [179/193]

PNG_EXPORT ( png_charp  ,
png_get_header_ver   
)

◆ PNG_EXPORT() [180/193]

PNG_EXPORT ( png_charp  ,
png_get_header_version   
)

◆ PNG_EXPORT() [181/193]

PNG_EXPORT ( png_charp  ,
png_get_libpng_ver   
)

◆ PNG_EXPORT() [182/193]

PNG_EXPORT ( png_uint_32  ,
png_permit_mng_features   
)

◆ PNG_EXPORT() [183/193]

PNG_EXPORT ( void  ,
png_set_strip_error_numbers   
)

◆ PNG_EXPORT() [184/193]

PNG_EXPORT ( void  ,
png_set_user_limits   
)

◆ PNG_EXPORT() [185/193]

PNG_EXPORT ( png_uint_32  ,
png_get_user_width_max   
)

◆ PNG_EXPORT() [186/193]

PNG_EXPORT ( png_uint_32  ,
png_get_user_height_max   
)

◆ PNG_EXPORT() [187/193]

PNG_EXPORT ( png_uint_32  ,
png_get_uint_32   
)

◆ PNG_EXPORT() [188/193]

PNG_EXPORT ( png_uint_16  ,
png_get_uint_16   
)

◆ PNG_EXPORT() [189/193]

PNG_EXPORT ( png_int_32  ,
png_get_int_32   
)

◆ PNG_EXPORT() [190/193]

PNG_EXPORT ( png_uint_32  ,
png_get_uint_31   
)

◆ PNG_EXPORT() [191/193]

PNG_EXPORT ( void  ,
png_save_uint_32   
)

◆ PNG_EXPORT() [192/193]

PNG_EXPORT ( void  ,
png_save_int_32   
)

◆ PNG_EXPORT() [193/193]

PNG_EXPORT ( void  ,
png_save_uint_16   
)

◆ PNG_EXPORT_VAR() [1/2]

PNG_EXPORT_VAR ( PNG_CONST  char)

◆ PNG_EXPORT_VAR() [2/2]

PNG_EXPORT_VAR ( PNG_CONST int  FARDATA)

◆ void()

typedef void ( PNGAPI png_error_ptr)

Variable Documentation

◆ ancil_action

int int ancil_action

◆ background

◆ background_color

png_color_16p background_color

◆ background_gamma

png_color_16p int int double background_gamma

◆ background_gamma_code

png_color_16p int background_gamma_code

◆ bit_depth

◆ blue_x

png_infop double double double double double double double blue_x

◆ blue_y

png_infop double double double double double double double double blue_y

◆ buf

png_bytep buf

◆ buffer

◆ buffer_size

◆ chunk

◆ chunk_list

int png_bytep chunk_list

list of pointers to saved chunks

Referenced by cleanup_angband(), player_get_recall_depth(), and wr_chunks().

◆ chunk_name

png_bytep chunk_name

◆ color_type

◆ compression_method

◆ compression_type

png_infop png_charp int compression_type

◆ crit_action

int crit_action

◆ data

png_bytep data

◆ default_file_gamma

double double default_file_gamma

◆ display_row

png_bytep png_bytep display_row

◆ empty_plte_permitted

int empty_plte_permitted

◆ end_fn

png_voidp png_progressive_info_ptr png_progressive_row_ptr png_progressive_end_ptr end_fn

◆ end_info_ptr

png_infop png_infop end_info_ptr

◆ end_info_ptr_ptr

png_infopp png_infopp end_info_ptr_ptr

◆ entries

◆ error_action

int error_action

◆ error_fn

png_voidp png_error_ptr error_fn

◆ error_message

png_const_charp error_message

◆ error_ptr

png_voidp error_ptr

◆ file_gamma

png_infop double file_gamma

◆ filler

png_uint_32 filler

◆ filter_costs

◆ filter_method

◆ filter_weights

int int png_doublep filter_weights

◆ filters

int int filters

◆ flag

◆ flags

◆ fp

◆ free_fn

png_voidp png_malloc_ptr png_free_ptr free_fn

◆ free_me

◆ freer

png_infop int freer

◆ full_dither

◆ green

◆ green_x

png_infop double double double double double green_x

◆ green_y

png_infop double double double double double double green_y

◆ height

png_infop int double double height

◆ heuristic_method

int heuristic_method

◆ hist

◆ histogram

◆ i

unsigned int i

◆ image

png_bytepp image

◆ info_fn

png_voidp png_progressive_info_ptr info_fn

◆ info_ptr

png_infop info_ptr

◆ info_ptr_ptr

png_infopp info_ptr_ptr

◆ int

typedef int

◆ int_blue_x

◆ int_blue_y

◆ int_file_gamma

png_infop png_fixed_point int_file_gamma

◆ int_green_x

◆ int_green_y

◆ int_red_x

◆ int_red_y

◆ int_white_x

◆ int_white_y

◆ intent

png_infop int intent

◆ interlace_method

◆ io_ptr

png_voidp io_ptr

◆ keep

int keep

◆ length

◆ level

◆ location

png_infop int int location

◆ malloc_fn

png_voidp png_malloc_ptr malloc_fn

◆ mask

png_infop int mask

◆ maximum_colors

png_colorp int int maximum_colors

◆ mem_level

int mem_level

◆ mem_ptr

png_voidp mem_ptr

◆ method

int method

◆ mng_features_permitted

png_uint_32 mng_features_permitted

◆ mod_time

png_infop png_timep mod_time

◆ name

◆ need_expand

png_color_16p int int need_expand

◆ nentries

◆ new_row

◆ nparams

◆ nrows

int nrows

◆ num

◆ num_bytes

int num_bytes

◆ num_chunks

int png_bytep int num_chunks

◆ num_palette

png_infop png_colorp int num_palette

◆ num_rows

◆ num_text

◆ num_to_check

png_size_t png_size_t num_to_check

◆ num_trans

png_infop png_bytep int num_trans

◆ num_unknowns

◆ num_weights

int int num_weights

◆ offset_x

◆ offset_y

◆ old_row

png_bytep old_row

◆ output_flush_fn

png_voidp png_rw_ptr png_flush_ptr output_flush_fn

◆ palette

◆ params

◆ png_bytep

typedef png_bytep

◆ png_const_charp

typedef png_const_charp

◆ png_info_struct_size

png_size_t png_info_struct_size

◆ png_size_t

typedef png_size_t

◆ png_uint_32

typedef png_uint_32

◆ profile

◆ proflen

◆ progressive_ptr

png_voidp progressive_ptr

◆ ptime

png_timep ptime

◆ ptr

png_voidp ptr

◆ purpose

◆ read_data_fn

png_voidp png_rw_ptr read_data_fn

◆ read_row_fn

png_read_status_ptr read_row_fn

◆ read_user_chunk_fn

png_voidp png_user_chunk_ptr read_user_chunk_fn

◆ read_user_transform_fn

png_user_transform_ptr read_user_transform_fn

◆ red

◆ red_x

png_infop double double double red_x

◆ red_y

png_infop double double double double red_y

◆ res_x

◆ res_y

◆ row

◆ row_fn

png_voidp png_progressive_info_ptr png_progressive_row_ptr row_fn

◆ row_pointers

png_infop png_bytepp row_pointers

◆ s1

◆ s2

◆ screen_gamma

double screen_gamma

◆ sig_bit

◆ size

◆ start

png_size_t start

◆ strategy

int strategy

◆ strip_mode

png_uint_32 strip_mode

◆ text_ptr

png_infop png_textp text_ptr

◆ trans

◆ trans_values

◆ transforms

png_infop int transforms

◆ true_bits

png_color_8p true_bits

◆ ttime

time_t ttime

◆ type

◆ unit

png_infop int unit

◆ unit_type

◆ units

◆ unknowns

◆ user_chunk_ptr

png_voidp user_chunk_ptr

◆ user_height_max

png_uint_32 png_uint_32 user_height_max

◆ user_transform_channels

png_voidp int int user_transform_channels

◆ user_transform_depth

png_voidp int user_transform_depth

◆ user_transform_ptr

png_voidp user_transform_ptr

◆ user_width_max

png_uint_32 user_width_max

◆ value

png_voidp int value

◆ warn_fn

png_voidp png_error_ptr png_error_ptr warn_fn

◆ warning_fn

png_voidp png_error_ptr png_error_ptr warning_fn

◆ warning_message

png_const_charp warning_message

◆ white_x

png_infop double white_x

◆ white_y

png_infop double double white_y

◆ width

png_infop int double width

◆ window_bits

int window_bits

◆ write_data_fn

png_voidp png_rw_ptr write_data_fn

◆ write_row_fn

png_write_status_ptr write_row_fn

◆ write_user_transform_fn

png_user_transform_ptr write_user_transform_fn

◆ X0

◆ X1