png.h File Reference

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

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Classes
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

Macros
#define	int_p_NULL   (int *)NULL
#define	PNG_AFTER_IDAT   0x08 /* Have complete zlib datastream */
#define	PNG_ALL_FILTERS
#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 /* not user-settable */
#define	PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU   0x02 /* not user-settable */
#define	PNG_ASM_FLAGS_INITIALIZED   0x80000000 /* not user-settable */
#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_CHUNK_NAME_LENGTH   5
#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)
#define	png_composite_16(composite, fg, alpha, bg)
#define	PNG_COMPRESSION_TYPE_BASE   0 /* Deflate method 8, 32K window */
#define	PNG_COMPRESSION_TYPE_DEFAULT   PNG_COMPRESSION_TYPE_BASE
#define	PNG_CRC_DEFAULT   0 /* error/quit warn/discard data */
#define	PNG_CRC_ERROR_QUIT   1 /* error/quit error/quit */
#define	PNG_CRC_NO_CHANGE   5 /* use current value use current value */
#define	PNG_CRC_QUIET_USE   4 /* quiet/use data quiet/use data */
#define	PNG_CRC_WARN_DISCARD   2 /* (INVALID) warn/discard data */
#define	PNG_CRC_WARN_USE   3 /* warn/use data warn/use data */
#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 /* Arbitrary base exponential transform */
#define	PNG_EQUATION_BASE_E   1 /* Exponential base e transform */
#define	PNG_EQUATION_HYPERBOLIC   3 /* Hyperbolic sine transformation */
#define	PNG_EQUATION_LAST   4 /* Not a valid value */
#define	PNG_EQUATION_LINEAR   0 /* Linear transformation */
#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 /* Currently "UNWEIGHTED" */
#define	PNG_FILTER_HEURISTIC_LAST   3 /* Not a valid value */
#define	PNG_FILTER_HEURISTIC_UNWEIGHTED   1 /* Used by libpng < 0.95 */
#define	PNG_FILTER_HEURISTIC_WEIGHTED   2 /* Experimental feature */
#define	PNG_FILTER_NONE   0x08
#define	PNG_FILTER_PAETH   0x80
#define	PNG_FILTER_SUB   0x10
#define	PNG_FILTER_TYPE_BASE   0 /* Single row per-byte filtering */
#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 /* PNG_FREE_SPLT|PNG_FREE_TEXT|PNG_FREE_UNKN */
#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_HAVE_IDAT   0x04
#define	PNG_HAVE_IEND   0x10
#define	PNG_HAVE_IHDR   0x01
#define	PNG_HAVE_PLTE   0x02
#define	PNG_HEADER_VERSION_STRING   " libpng version 1.2.32 - September 18, 2008\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 /* ESR, 1.0.6 */
#define	PNG_INFO_IDAT   0x8000L /* ESR, 1.0.6 */
#define	png_info_init(info_ptr)
#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 /* ESR, 1.0.6 */
#define	PNG_INFO_sPLT   0x2000 /* ESR, 1.0.6 */
#define	PNG_INFO_sRGB   0x0800 /* GR-P, 0.96a */
#define	PNG_INFO_tIME   0x0200
#define	PNG_INFO_tRNS   0x0010
#define	png_infopp_NULL   (png_infopp)NULL
#define	PNG_INTERLACE_ADAM7   1 /* Adam7 interlacing */
#define	PNG_INTERLACE_LAST   2 /* Not a valid value */
#define	PNG_INTERLACE_NONE   0 /* Non-interlaced image */
#define	PNG_INTRAPIXEL_DIFFERENCING   64 /* Used only in MNG datastreams */
#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_BASE_TYPE   PNG_LIBPNG_BUILD_STABLE
#define	PNG_LIBPNG_BUILD_BETA   2
#define	PNG_LIBPNG_BUILD_PATCH
#define	PNG_LIBPNG_BUILD_PRIVATE
#define	PNG_LIBPNG_BUILD_RC   3
#define	PNG_LIBPNG_BUILD_RELEASE_STATUS_MASK   7
#define	PNG_LIBPNG_BUILD_SPECIAL
#define	PNG_LIBPNG_BUILD_STABLE   4
#define	PNG_LIBPNG_BUILD_TYPE   (PNG_LIBPNG_BUILD_BASE_TYPE)
#define	PNG_LIBPNG_VER   10232 /* 1.2.32 */
#define	PNG_LIBPNG_VER_BUILD   0
#define	PNG_LIBPNG_VER_DLLNUM   13
#define	PNG_LIBPNG_VER_MAJOR   1
#define	PNG_LIBPNG_VER_MINOR   2
#define	PNG_LIBPNG_VER_RELEASE   32
#define	PNG_LIBPNG_VER_SONUM   0
#define	PNG_LIBPNG_VER_STRING   "1.2.32"
#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
#define	PNG_MMX_READ_FLAGS
#define	PNG_MMX_WRITE_FLAGS   ( 0 )
#define	PNG_NO_FILTERS   0x00
#define	PNG_OFFSET_LAST   2 /* Not a valid value */
#define	PNG_OFFSET_MICROMETER   1 /* Offset in micrometers (1/10^6 meter) */
#define	PNG_OFFSET_PIXEL   0 /* Offset in pixels */
#define	png_read_status_ptr_NULL   (png_read_status_ptr)NULL
#define	PNG_RESOLUTION_LAST   2 /* Not a valid value */
#define	PNG_RESOLUTION_METER   1 /* pixels/meter */
#define	PNG_RESOLUTION_UNKNOWN   0 /* pixels/unknown unit (aspect ratio) */
#define	png_rw_ptr_NULL   (png_rw_ptr)NULL
#define	PNG_SCALE_LAST   3 /* Not a valid value */
#define	PNG_SCALE_METER   1 /* meters per pixel */
#define	PNG_SCALE_RADIAN   2 /* radians per pixel */
#define	PNG_SCALE_UNKNOWN   0 /* unknown unit (image scale) */
#define	PNG_SELECT_READ   1
#define	PNG_SELECT_WRITE   2
#define	PNG_SET_WILL_FREE_DATA   1
#define	PNG_SIZE_MAX   ((png_size_t)(-1))
#define	PNG_sRGB_INTENT_ABSOLUTE   3
#define	PNG_sRGB_INTENT_LAST   4 /* Not a valid value */
#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 /* Not a valid value */
#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 /* read and write */
#define	PNG_TRANSFORM_EXPAND   0x0010 /* read only */
#define	PNG_TRANSFORM_IDENTITY   0x0000 /* read and write */
#define	PNG_TRANSFORM_INVERT_ALPHA   0x0400 /* read and write */
#define	PNG_TRANSFORM_INVERT_MONO   0x0020 /* read and write */
#define	PNG_TRANSFORM_PACKING   0x0004 /* read and write */
#define	PNG_TRANSFORM_PACKSWAP   0x0008 /* read and write */
#define	PNG_TRANSFORM_SHIFT   0x0040 /* read and write */
#define	PNG_TRANSFORM_STRIP_16   0x0001 /* read only */
#define	PNG_TRANSFORM_STRIP_ALPHA   0x0002 /* read only */
#define	PNG_TRANSFORM_STRIP_FILLER   0x0800 /* WRITE only */
#define	PNG_TRANSFORM_SWAP_ALPHA   0x0100 /* read and write */
#define	PNG_TRANSFORM_SWAP_ENDIAN   0x0200 /* read and write */
#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)(-1))
#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

Typedefs
typedef struct png_color_struct	png_color
typedef struct png_color_16_struct	png_color_16
typedef png_color_16 FAR *	png_color_16p
typedef png_color_16 FAR *FAR *	png_color_16pp
typedef struct png_color_8_struct	png_color_8
typedef png_color_8 FAR *	png_color_8p
typedef png_color_8 FAR *FAR *	png_color_8pp
typedef png_color FAR *	png_colorp
typedef png_color FAR *FAR *	png_colorpp
typedef struct png_info_struct	png_info
typedef png_info FAR *	png_infop
typedef png_info FAR *FAR *	png_infopp
typedef struct png_row_info_struct	png_row_info
typedef png_row_info FAR *	png_row_infop
typedef png_row_info FAR *FAR *	png_row_infopp
typedef struct png_sPLT_entry_struct	png_sPLT_entry
typedef png_sPLT_entry FAR *	png_sPLT_entryp
typedef png_sPLT_entry FAR *FAR *	png_sPLT_entrypp
typedef struct png_sPLT_struct	png_sPLT_t
typedef png_sPLT_t FAR *	png_sPLT_tp
typedef png_sPLT_t FAR *FAR *	png_sPLT_tpp
typedef struct png_struct_def	png_struct
typedef png_struct FAR *	png_structp
typedef png_struct FAR *FAR *	png_structpp
typedef struct png_text_struct	png_text
typedef png_text FAR *	png_textp
typedef png_text FAR *FAR *	png_textpp
typedef struct png_time_struct	png_time
typedef png_time FAR *	png_timep
typedef png_time FAR *FAR *	png_timepp
typedef struct png_unknown_chunk_t	png_unknown_chunk
typedef png_unknown_chunk FAR *	png_unknown_chunkp
typedef png_unknown_chunk FAR *FAR *	png_unknown_chunkpp
typedef png_voidp png_malloc_ptr	PNGARG((png_structp, png_size_t))
typedef png_structp	version_1_2_32

Functions
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_destroy_write_struct) PNGARG((png_structpp png_ptr_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 (png_uint_32, png_get_mmx_flagmask) PNGARG((int flag_select
	PNG_EXPORT (png_uint_32, png_get_asm_flagmask) PNGARG((int flag_select))
	PNG_EXPORT (png_uint_32, png_get_asm_flags) PNGARG((png_structp png_ptr))
	PNG_EXPORT (png_byte, png_get_mmx_bitdepth_threshold) PNGARG((png_structp png_ptr))
	PNG_EXPORT (png_uint_32, png_get_mmx_rowbytes_threshold) PNGARG((png_structp png_ptr))
	PNG_EXPORT (void, png_set_asm_flags) PNGARG((png_structp png_ptr
	PNG_EXPORT (void, png_set_mmx_thresholds) PNGARG((png_structp png_ptr
	PNG_EXPORT (int, png_mmx_support) PNGARG((void))
	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
	PNG_EXPORT_VAR (PNG_CONST char) png_libpng_ver[18]
	PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_start[7]
void png_read_destroy	PNGARG ((png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr))
void png_write_destroy	PNGARG ((png_structp png_ptr))
typedef	void (PNGAPI *png_error_ptr) PNGARG((png_structp

Variables
int int	ancil_action
png_uint_32	asm_flags
png_infop png_color_16p *	background
png_color_16p	background_color
png_color_16p int int double	background_gamma
png_color_16p int	background_gamma_code
png_infop png_uint_32 png_uint_32 int *	bit_depth
png_infop double double double double double double double *	blue_x
png_infop double double double double double double double double *	blue_y
png_bytep	buf
png_infop png_bytep	buffer
png_infop png_bytep png_size_t	buffer_size
png_infop int	chunk
int png_bytep	chunk_list
png_bytep	chunk_name
png_infop png_uint_32 png_uint_32 int int *	color_type
int *	compilerID
png_infop png_uint_32 png_uint_32 int int int int *	compression_method
png_infop png_charpp int *	compression_type
int	crit_action
png_bytep png_bytep	data
double double	default_file_gamma
png_bytepp png_bytepp	display_row
int	empty_plte_permitted
png_voidp png_progressive_info_ptr png_progressive_row_ptr png_progressive_end_ptr	end_fn
png_infopp png_infopp	end_info_ptr_ptr
png_infop png_sPLT_tpp	entries
int	error_action
png_voidp png_error_ptr	error_fn
png_const_charp	error_message
png_voidp	error_ptr
png_infop double *	file_gamma
png_uint_32	filler
int int png_doublep png_doublep	filter_costs
png_infop png_uint_32 png_uint_32 int int int int int *	filter_method
int int png_doublep	filter_weights
int int	filters
png_infop png_uint_32	flag
png_uint_32 int	flags
png_FILE_p	fp
png_voidp png_error_ptr png_error_ptr png_voidp png_malloc_ptr png_free_ptr	free_fn
png_infop png_uint_32	free_me
png_infop int	freer
png_colorp int int png_uint_16p int	full_dither
int double double	green
png_infop double double double double double *	green_x
png_infop double double double double double double *	green_y
png_infop png_uint_32 png_uint_32 *	height
int	heuristic_method
png_infop png_uint_16p *	hist
png_colorp int int png_uint_16p	histogram
png_uint_32	i
png_bytepp	image
png_voidp png_progressive_info_ptr	info_fn
png_infop	info_ptr
png_infopp	info_ptr_ptr
typedef	int
png_infop png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_point *	int_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_point *	int_blue_y
png_infop png_fixed_point *	int_file_gamma
png_infop png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_point *	int_green_x
png_infop png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_point *	int_green_y
png_infop png_fixed_point png_fixed_point png_fixed_point *	int_red_x
png_infop png_fixed_point png_fixed_point png_fixed_point png_fixed_point *	int_red_y
png_infop png_fixed_point *	int_white_x
png_infop png_fixed_point png_fixed_point *	int_white_y
png_infop int *	intent
png_infop png_uint_32 png_uint_32 int int int *	interlace_method
png_voidp	io_ptr
int	keep
png_bytep png_bytep png_size_t	length
int	level
png_infop int int	location
png_voidp png_error_ptr png_error_ptr png_voidp png_malloc_ptr	malloc_fn
png_infop int png_uint_32	mask
png_colorp int int	maximum_colors
int	mem_level
png_voidp png_error_ptr png_error_ptr png_voidp	mem_ptr
int	method
png_byte	mmx_bitdepth_threshold
png_byte png_uint_32	mmx_rowbytes_threshold
png_uint_32	mng_features_permitted
png_infop png_timep *	mod_time
png_infop png_charpp	name
png_color_16p int int	need_expand
png_infop png_sPLT_tp int	nentries
png_bytep png_bytep	new_row
png_infop png_charp png_int_32 png_int_32 int int *	nparams
int	nrows
int	num
int	num_bytes
int png_bytep int	num_chunks
png_colorp int	num_palette
png_bytepp png_bytepp png_uint_32	num_rows
png_infop png_textp int *	num_text
png_size_t png_size_t	num_to_check
png_infop png_bytep int *	num_trans
png_infop png_unknown_chunkp int	num_unknowns
int int	num_weights
png_infop png_int_32 *	offset_x
png_infop png_int_32 png_int_32 *	offset_y
png_bytep	old_row
png_voidp png_rw_ptr png_flush_ptr	output_flush_fn
png_colorp	palette
png_infop png_charp png_int_32 png_int_32 int int png_charp png_charpp *	params
typedef	png_bytep
typedef	png_const_charp
png_size_t	png_info_struct_size
typedef	png_size_t
typedef	png_uint_32
png_infop png_charpp int png_charpp	profile
png_infop png_charpp int png_charpp png_uint_32 *	proflen
png_voidp	progressive_ptr
png_timep	ptime
png_voidp	ptr
png_infop png_charp *	purpose
png_voidp png_rw_ptr	read_data_fn
png_read_status_ptr	read_row_fn
png_voidp png_user_chunk_ptr	read_user_chunk_fn
png_user_transform_ptr	read_user_transform_fn
int double	red
png_infop double double double *	red_x
png_infop double double double double *	red_y
png_infop png_uint_32 *	res_x
png_infop png_uint_32 png_uint_32 *	res_y
png_bytepp	row
png_voidp png_progressive_info_ptr png_progressive_row_ptr	row_fn
png_infop png_bytepp	row_pointers
png_voidp	s1
png_voidp png_voidp	s2
double	screen_gamma
png_infop png_color_8p *	sig_bit
png_uint_32	size
png_size_t	start
int	strategy
png_uint_32	strip_mode
png_infop png_textp *	text_ptr
png_infop png_bytep *	trans
png_infop png_bytep int png_color_16p *	trans_values
png_infop int	transforms
png_color_8p	true_bits
struct tm FAR *	ttime
png_infop png_charp png_int_32 png_int_32 int *	type
png_infop int *	unit
png_infop png_int_32 png_int_32 int *	unit_type
png_infop png_charp png_int_32 png_int_32 int int png_charp *	units
png_infop png_unknown_chunkp	unknowns
png_voidp	user_chunk_ptr
png_uint_32 png_uint_32	user_height_max
png_voidp int int	user_transform_channels
png_voidp int	user_transform_depth
png_voidp	user_transform_ptr
png_uint_32	user_width_max
png_voidp int	value
png_voidp png_error_ptr png_error_ptr	warn_fn
png_voidp png_error_ptr png_error_ptr	warning_fn
png_const_charp	warning_message
png_infop double *	white_x
png_infop double double *	white_y
png_infop png_uint_32 *	width
int	window_bits
png_voidp png_rw_ptr	write_data_fn
png_write_status_ptr	write_row_fn
png_user_transform_ptr	write_user_transform_fn
png_infop png_charp png_int_32 *	X0
png_infop png_charp png_int_32 png_int_32 *	X1

Macro Definition Documentation

#define int_p_NULL   (int *)NULL

Definition at line 500 of file png.h.

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

Definition at line 2762 of file png.h.

#define PNG_ALL_FILTERS

Value:

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

Definition at line 1861 of file png.h.

#define PNG_ALL_MNG_FEATURES   0x05

Definition at line 1157 of file png.h.

#define PNG_ASM_FLAG_MMX_READ_COMBINE_ROW   0x04

Definition at line 2586 of file png.h.

#define PNG_ASM_FLAG_MMX_READ_FILTER_AVG   0x40

Definition at line 2590 of file png.h.

#define PNG_ASM_FLAG_MMX_READ_FILTER_PAETH   0x80

Definition at line 2591 of file png.h.

#define PNG_ASM_FLAG_MMX_READ_FILTER_SUB   0x10

Definition at line 2588 of file png.h.

#define PNG_ASM_FLAG_MMX_READ_FILTER_UP   0x20

Definition at line 2589 of file png.h.

#define PNG_ASM_FLAG_MMX_READ_INTERLACE   0x08

Definition at line 2587 of file png.h.

#define PNG_ASM_FLAG_MMX_SUPPORT_COMPILED   0x01 /* not user-settable */

Definition at line 2584 of file png.h.

#define PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU   0x02 /* not user-settable */

Definition at line 2585 of file png.h.

#define PNG_ASM_FLAGS_INITIALIZED   0x80000000 /* not user-settable */

Definition at line 2592 of file png.h.

#define PNG_BACKGROUND_GAMMA_FILE   2

Definition at line 1708 of file png.h.

#define PNG_BACKGROUND_GAMMA_SCREEN   1

Definition at line 1707 of file png.h.

#define PNG_BACKGROUND_GAMMA_UNIQUE   3

Definition at line 1709 of file png.h.

#define PNG_BACKGROUND_GAMMA_UNKNOWN   0

Definition at line 1706 of file png.h.

#define png_bytep_NULL   (png_bytep)NULL

Definition at line 501 of file png.h.

#define png_bytepp_NULL   (png_bytepp)NULL

Definition at line 502 of file png.h.

#define PNG_CHUNK_NAME_LENGTH   5

Definition at line 692 of file png.h.

#define PNG_COLOR_MASK_ALPHA   4

Definition at line 1000 of file png.h.

#define PNG_COLOR_MASK_COLOR   2

Definition at line 999 of file png.h.

#define PNG_COLOR_MASK_PALETTE   1

Definition at line 998 of file png.h.

#define PNG_COLOR_TYPE_GA   PNG_COLOR_TYPE_GRAY_ALPHA

Definition at line 1010 of file png.h.

#define PNG_COLOR_TYPE_GRAY   0

Definition at line 1003 of file png.h.

#define PNG_COLOR_TYPE_GRAY_ALPHA   (PNG_COLOR_MASK_ALPHA)

Definition at line 1007 of file png.h.

#define PNG_COLOR_TYPE_PALETTE   (PNG_COLOR_MASK_COLOR | PNG_COLOR_MASK_PALETTE)

Definition at line 1004 of file png.h.

#define PNG_COLOR_TYPE_RGB   (PNG_COLOR_MASK_COLOR)

Definition at line 1005 of file png.h.

#define PNG_COLOR_TYPE_RGB_ALPHA   (PNG_COLOR_MASK_COLOR | PNG_COLOR_MASK_ALPHA)

Definition at line 1006 of file png.h.

#define PNG_COLOR_TYPE_RGBA   PNG_COLOR_TYPE_RGB_ALPHA

Definition at line 1009 of file png.h.

#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); }

Definition at line 2685 of file png.h.

#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); }

Definition at line 2691 of file png.h.

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

Definition at line 1013 of file png.h.

#define PNG_COMPRESSION_TYPE_DEFAULT   PNG_COMPRESSION_TYPE_BASE

Definition at line 1014 of file png.h.

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

Definition at line 1829 of file png.h.

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

Definition at line 1830 of file png.h.

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

Definition at line 1834 of file png.h.

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

Definition at line 1833 of file png.h.

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

Definition at line 1831 of file png.h.

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

Definition at line 1832 of file png.h.

#define png_debug	(		l,
			m
	)

Definition at line 2556 of file png.h.

#define png_debug1	(		l,
			m,
			p1
	)

Definition at line 2559 of file png.h.

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

Definition at line 2562 of file png.h.

#define PNG_DESTROY_WILL_FREE_DATA   1

Definition at line 2084 of file png.h.

#define png_doublep_NULL   (png_doublep)NULL

Definition at line 503 of file png.h.

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

Definition at line 1034 of file png.h.

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

Definition at line 1033 of file png.h.

#define PNG_EQUATION_HYPERBOLIC   3 /* Hyperbolic sine transformation */

Definition at line 1035 of file png.h.

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

Definition at line 1036 of file png.h.

#define PNG_EQUATION_LINEAR   0 /* Linear transformation */

Definition at line 1032 of file png.h.

#define png_error_ptr_NULL   (png_error_ptr)NULL

Definition at line 504 of file png.h.

#define PNG_FILLER_AFTER   1

Definition at line 1659 of file png.h.

#define PNG_FILLER_BEFORE   0

Definition at line 1658 of file png.h.

#define PNG_FILTER_AVG   0x40

Definition at line 1859 of file png.h.

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

Definition at line 1913 of file png.h.

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

Definition at line 1916 of file png.h.

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

Definition at line 1914 of file png.h.

#define PNG_FILTER_HEURISTIC_WEIGHTED   2 /* Experimental feature */

Definition at line 1915 of file png.h.

#define PNG_FILTER_NONE   0x08

Definition at line 1856 of file png.h.

#define PNG_FILTER_PAETH   0x80

Definition at line 1860 of file png.h.

#define PNG_FILTER_SUB   0x10

Definition at line 1857 of file png.h.

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

Definition at line 1017 of file png.h.

#define PNG_FILTER_TYPE_DEFAULT   PNG_FILTER_TYPE_BASE

Definition at line 1019 of file png.h.

#define PNG_FILTER_UP   0x20

Definition at line 1858 of file png.h.

#define PNG_FILTER_VALUE_AVG   3

Definition at line 1870 of file png.h.

#define PNG_FILTER_VALUE_LAST   5

Definition at line 1872 of file png.h.

#define PNG_FILTER_VALUE_NONE   0

Definition at line 1867 of file png.h.

#define PNG_FILTER_VALUE_PAETH   4

Definition at line 1871 of file png.h.

#define PNG_FILTER_VALUE_SUB   1

Definition at line 1868 of file png.h.

#define PNG_FILTER_VALUE_UP   2

Definition at line 1869 of file png.h.

#define PNG_FLAG_MNG_EMPTY_PLTE   0x01

Definition at line 1155 of file png.h.

#define PNG_FLAG_MNG_FILTER_64   0x04

Definition at line 1156 of file png.h.

#define png_flush_ptr_NULL   (png_flush_ptr)NULL

Definition at line 505 of file png.h.

#define PNG_FREE_ALL   0x7fff

Definition at line 2099 of file png.h.

#define PNG_FREE_HIST   0x0008

Definition at line 2088 of file png.h.

#define PNG_FREE_ICCP   0x0010

Definition at line 2089 of file png.h.

#define PNG_FREE_LIST   0x0400

Definition at line 2095 of file png.h.

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

Definition at line 2100 of file png.h.

#define PNG_FREE_PCAL   0x0080

Definition at line 2092 of file png.h.

#define PNG_FREE_PLTE   0x1000

Definition at line 2096 of file png.h.

#define png_free_ptr_NULL   (png_free_ptr)NULL

Definition at line 506 of file png.h.

#define PNG_FREE_ROWS   0x0040

Definition at line 2091 of file png.h.

#define PNG_FREE_SCAL   0x0100

Definition at line 2093 of file png.h.

#define PNG_FREE_SPLT   0x0020

Definition at line 2090 of file png.h.

#define PNG_FREE_TEXT   0x4000

Definition at line 2098 of file png.h.

#define PNG_FREE_TRNS   0x2000

Definition at line 2097 of file png.h.

#define PNG_FREE_UNKN   0x0200

Definition at line 2094 of file png.h.

#define PNG_HANDLE_CHUNK_ALWAYS   3

Definition at line 2579 of file png.h.

#define PNG_HANDLE_CHUNK_AS_DEFAULT   0

Definition at line 2576 of file png.h.

#define PNG_HANDLE_CHUNK_IF_SAFE   2

Definition at line 2578 of file png.h.

#define PNG_HANDLE_CHUNK_NEVER   1

Definition at line 2577 of file png.h.

#define PNG_HAVE_IDAT   0x04

Definition at line 2761 of file png.h.

#define PNG_HAVE_IEND   0x10

Definition at line 2763 of file png.h.

#define PNG_HAVE_IHDR   0x01

Definition at line 2759 of file png.h.

#define PNG_HAVE_PLTE   0x02

Definition at line 2760 of file png.h.

#define PNG_HEADER_VERSION_STRING   " libpng version 1.2.32 - September 18, 2008\n"

Definition at line 414 of file png.h.

#define PNG_INFO_bKGD   0x0020

Definition at line 1072 of file png.h.

#define PNG_INFO_cHRM   0x0004

Definition at line 1069 of file png.h.

#define PNG_INFO_gAMA   0x0001

Definition at line 1067 of file png.h.

#define PNG_INFO_hIST   0x0040

Definition at line 1073 of file png.h.

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

Definition at line 1079 of file png.h.

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

Definition at line 1082 of file png.h.

#define png_info_init

(

info_ptr

)

Value:

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

Definition at line 1562 of file png.h.

#define PNG_INFO_oFFs   0x0100

Definition at line 1075 of file png.h.

#define PNG_INFO_pCAL   0x0400

Definition at line 1077 of file png.h.

#define PNG_INFO_pHYs   0x0080

Definition at line 1074 of file png.h.

#define PNG_INFO_PLTE   0x0008

Definition at line 1070 of file png.h.

#define PNG_INFO_sBIT   0x0002

Definition at line 1068 of file png.h.

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

Definition at line 1081 of file png.h.

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

Definition at line 1080 of file png.h.

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

Definition at line 1078 of file png.h.

#define PNG_INFO_tIME   0x0200

Definition at line 1076 of file png.h.

#define PNG_INFO_tRNS   0x0010

Definition at line 1071 of file png.h.

#define png_infopp_NULL   (png_infopp)NULL

Definition at line 507 of file png.h.

#define PNG_INTERLACE_ADAM7   1 /* Adam7 interlacing */

Definition at line 1023 of file png.h.

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

Definition at line 1024 of file png.h.

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

Definition at line 1022 of file png.h.

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

Definition at line 1018 of file png.h.

#define PNG_ITXT_COMPRESSION_NONE   1

Definition at line 664 of file png.h.

#define PNG_ITXT_COMPRESSION_zTXt   2

Definition at line 665 of file png.h.

#define PNG_KEYWORD_MAX_LENGTH   79

Definition at line 1057 of file png.h.

#define PNG_LIBPNG_BUILD_ALPHA   1

Definition at line 430 of file png.h.

#define PNG_LIBPNG_BUILD_BASE_TYPE   PNG_LIBPNG_BUILD_STABLE

Definition at line 444 of file png.h.

#define PNG_LIBPNG_BUILD_BETA   2

Definition at line 431 of file png.h.

#define PNG_LIBPNG_BUILD_PATCH

Value:

8 /* Can be OR'ed with
                                       PNG_LIBPNG_BUILD_STABLE only */

Definition at line 437 of file png.h.

#define PNG_LIBPNG_BUILD_PRIVATE

Value:

16 /* Cannot be OR'ed with
                                       PNG_LIBPNG_BUILD_SPECIAL */

Definition at line 439 of file png.h.

#define PNG_LIBPNG_BUILD_RC   3

Definition at line 432 of file png.h.

#define PNG_LIBPNG_BUILD_RELEASE_STATUS_MASK   7

Definition at line 434 of file png.h.

#define PNG_LIBPNG_BUILD_SPECIAL

Value:

32 /* Cannot be OR'ed with
                                       PNG_LIBPNG_BUILD_PRIVATE */

Definition at line 441 of file png.h.

#define PNG_LIBPNG_BUILD_STABLE   4

Definition at line 433 of file png.h.

#define PNG_LIBPNG_BUILD_TYPE   (PNG_LIBPNG_BUILD_BASE_TYPE)

Definition at line 482 of file png.h.

#define PNG_LIBPNG_VER   10232 /* 1.2.32 */

Definition at line 451 of file png.h.

#define PNG_LIBPNG_VER_BUILD   0

Definition at line 427 of file png.h.

#define PNG_LIBPNG_VER_DLLNUM   13

Definition at line 418 of file png.h.

#define PNG_LIBPNG_VER_MAJOR   1

Definition at line 421 of file png.h.

#define PNG_LIBPNG_VER_MINOR   2

Definition at line 422 of file png.h.

#define PNG_LIBPNG_VER_RELEASE   32

Definition at line 423 of file png.h.

#define PNG_LIBPNG_VER_SONUM   0

Definition at line 417 of file png.h.

#define PNG_LIBPNG_VER_STRING   "1.2.32"

Definition at line 413 of file png.h.

#define png_malloc_ptr_NULL   (png_malloc_ptr)NULL

Definition at line 508 of file png.h.

#define PNG_MAX_PALETTE_LENGTH   256

Definition at line 1060 of file png.h.

#define PNG_MAX_UINT   PNG_UINT_31_MAX

Definition at line 993 of file png.h.

#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 )

Definition at line 2602 of file png.h.

#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 )

Definition at line 2594 of file png.h.

#define PNG_MMX_WRITE_FLAGS   ( 0 )

Definition at line 2600 of file png.h.

#define PNG_NO_FILTERS   0x00

Definition at line 1855 of file png.h.

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

Definition at line 1029 of file png.h.

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

Definition at line 1028 of file png.h.

#define PNG_OFFSET_PIXEL   0 /* Offset in pixels */

Definition at line 1027 of file png.h.

#define png_read_status_ptr_NULL   (png_read_status_ptr)NULL

Definition at line 509 of file png.h.

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

Definition at line 1047 of file png.h.

#define PNG_RESOLUTION_METER   1 /* pixels/meter */

Definition at line 1046 of file png.h.

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

Definition at line 1045 of file png.h.

#define png_rw_ptr_NULL   (png_rw_ptr)NULL

Definition at line 510 of file png.h.

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

Definition at line 1042 of file png.h.

#define PNG_SCALE_METER   1 /* meters per pixel */

Definition at line 1040 of file png.h.

#define PNG_SCALE_RADIAN   2 /* radians per pixel */

Definition at line 1041 of file png.h.

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

Definition at line 1039 of file png.h.

#define PNG_SELECT_READ   1

Definition at line 2607 of file png.h.

#define PNG_SELECT_WRITE   2

Definition at line 2608 of file png.h.

#define PNG_SET_WILL_FREE_DATA   1

Definition at line 2085 of file png.h.

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

Definition at line 990 of file png.h.

#define PNG_sRGB_INTENT_ABSOLUTE   3

Definition at line 1053 of file png.h.

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

Definition at line 1054 of file png.h.

#define PNG_sRGB_INTENT_PERCEPTUAL   0

Definition at line 1050 of file png.h.

#define PNG_sRGB_INTENT_RELATIVE   1

Definition at line 1051 of file png.h.

#define PNG_sRGB_INTENT_SATURATION   2

Definition at line 1052 of file png.h.

#define png_structp_NULL   (png_structp)NULL

Definition at line 511 of file png.h.

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

Definition at line 666 of file png.h.

#define PNG_TEXT_COMPRESSION_NONE   -1

Definition at line 662 of file png.h.

#define PNG_TEXT_COMPRESSION_NONE_WR   -3

Definition at line 660 of file png.h.

#define PNG_TEXT_COMPRESSION_zTXt   0

Definition at line 663 of file png.h.

#define PNG_TEXT_COMPRESSION_zTXt_WR   -2

Definition at line 661 of file png.h.

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

Definition at line 1148 of file png.h.

#define PNG_TRANSFORM_EXPAND   0x0010 /* read only */

Definition at line 1145 of file png.h.

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

Definition at line 1140 of file png.h.

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

Definition at line 1151 of file png.h.

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

Definition at line 1146 of file png.h.

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

Definition at line 1143 of file png.h.

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

Definition at line 1144 of file png.h.

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

Definition at line 1147 of file png.h.

#define PNG_TRANSFORM_STRIP_16   0x0001 /* read only */

Definition at line 1141 of file png.h.

#define PNG_TRANSFORM_STRIP_ALPHA   0x0002 /* read only */

Definition at line 1142 of file png.h.

#define PNG_TRANSFORM_STRIP_FILLER   0x0800 /* WRITE only */

Definition at line 1152 of file png.h.

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

Definition at line 1149 of file png.h.

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

Definition at line 1150 of file png.h.

#define png_uint_16p_NULL   (png_uint_16p)NULL

Definition at line 512 of file png.h.

#define PNG_UINT_31_MAX   ((png_uint_32)0x7fffffffL)

Definition at line 988 of file png.h.

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

Definition at line 989 of file png.h.

#define PNG_USER_WILL_FREE_DATA   2

Definition at line 2086 of file png.h.

#define png_voidp_NULL   (png_voidp)NULL

Definition at line 513 of file png.h.

#define png_write_status_ptr_NULL   (png_write_status_ptr)NULL

Definition at line 514 of file png.h.

Typedef Documentation

typedef struct png_color_struct png_color

typedef struct png_color_16_struct png_color_16

typedef png_color_16 FAR* png_color_16p

Definition at line 582 of file png.h.

typedef png_color_16 FAR* FAR* png_color_16pp

Definition at line 583 of file png.h.

typedef struct png_color_8_struct png_color_8

typedef png_color_8 FAR* png_color_8p

Definition at line 593 of file png.h.

typedef png_color_8 FAR* FAR* png_color_8pp

Definition at line 594 of file png.h.

typedef png_color FAR* png_colorp

Definition at line 571 of file png.h.

typedef png_color FAR* FAR* png_colorpp

Definition at line 572 of file png.h.

typedef struct png_info_struct png_info

typedef png_infop

Definition at line 984 of file png.h.

typedef png_info FAR* FAR* png_infopp

Definition at line 985 of file png.h.

typedef struct png_row_info_struct png_row_info

typedef png_row_infop

Definition at line 1098 of file png.h.

typedef png_row_info FAR* FAR* png_row_infopp

Definition at line 1099 of file png.h.

typedef struct png_sPLT_entry_struct png_sPLT_entry

typedef png_sPLT_entry FAR* png_sPLT_entryp

Definition at line 608 of file png.h.

typedef png_sPLT_entry FAR* FAR* png_sPLT_entrypp

Definition at line 609 of file png.h.

typedef struct png_sPLT_struct png_sPLT_t

typedef png_sPLT_t FAR* png_sPLT_tp

Definition at line 623 of file png.h.

typedef png_sPLT_t FAR* FAR* png_sPLT_tpp

Definition at line 624 of file png.h.

typedef struct png_struct_def png_struct

Definition at line 1107 of file png.h.

typedef png_struct FAR* png_structp

Definition at line 1108 of file png.h.

typedef png_struct FAR* FAR* png_structpp

Definition at line 1474 of file png.h.

typedef struct png_text_struct png_text

typedef png_text FAR* png_textp

Definition at line 654 of file png.h.

typedef png_text FAR* FAR* png_textpp

Definition at line 655 of file png.h.

typedef struct png_time_struct png_time

typedef png_time FAR* png_timep

Definition at line 683 of file png.h.

typedef png_time FAR* FAR* png_timepp

Definition at line 684 of file png.h.

typedef struct png_unknown_chunk_t png_unknown_chunk

typedef png_unknown_chunkp

Definition at line 703 of file png.h.

typedef png_unknown_chunk FAR* FAR* png_unknown_chunkpp

Definition at line 704 of file png.h.

typedef void png_free_ptr PNGARG((png_structp, png_voidp))

Definition at line 1159 of file png.h.

typedef png_structp version_1_2_32

Definition at line 1472 of file png.h.

Function Documentation

typedef int

(

PNGAPI *

png_user_chunk_ptr

)

PNG_EXPORT	(	png_uint_32	,
		png_access_version_number
	)

PNG_EXPORT	(	void	,
		png_set_sig_bytes
	)

PNG_EXPORT	(	int	,
		png_sig_cmp
	)

PNG_EXPORT	(	int	,
		png_check_sig
	)

PNG_EXPORT	(	png_structp	,
		png_create_read_struct
	)

PNG_EXPORT	(	png_structp	,
		png_create_write_struct
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_compression_buffer_size
	)

PNG_EXPORT	(	void	,
		png_set_compression_buffer_size
	)

PNG_EXPORT	(	int	,
		png_reset_zstream
	)

PNG_EXPORT	(	png_structp	,
		png_create_read_struct_2
	)

PNG_EXPORT	(	png_structp	,
		png_create_write_struct_2
	)

PNG_EXPORT	(	void	,
		png_write_chunk
	)

PNG_EXPORT	(	void	,
		png_write_chunk_start
	)

PNG_EXPORT	(	void	,
		png_write_chunk_data
	)

PNG_EXPORT	(	void	,
		png_write_chunk_end
	)

PNG_EXPORT	(	png_infop	,
		png_create_info_struct
	)

PNG_EXPORT	(	void	,
		png_info_init
	)

PNG_EXPORT	(	void	,
		png_info_init_3
	)

PNG_EXPORT	(	void	,
		png_write_info_before_PLTE
	)

PNG_EXPORT	(	void	,
		png_write_info
	)

PNG_EXPORT	(	void	,
		png_read_info
	)

PNG_EXPORT	(	png_charp	,
		png_convert_to_rfc1123
	)

PNG_EXPORT	(	void	,
		png_convert_from_struct_tm
	)

PNG_EXPORT	(	void	,
		png_convert_from_time_t
	)

PNG_EXPORT	(	void	,
		png_set_expand
	)

PNG_EXPORT	(	void	,
		png_set_expand_gray_1_2_4_to_8
	)

PNG_EXPORT	(	void	,
		png_set_palette_to_rgb
	)

PNG_EXPORT	(	void	,
		png_set_tRNS_to_alpha
	)

PNG_EXPORT	(	void	,
		png_set_gray_1_2_4_to_8
	)

PNG_EXPORT	(	void	,
		png_set_bgr
	)

PNG_EXPORT	(	void	,
		png_set_gray_to_rgb
	)

PNG_EXPORT	(	void	,
		png_set_rgb_to_gray
	)

PNG_EXPORT	(	void	,
		png_set_rgb_to_gray_fixed
	)

PNG_EXPORT	(	png_byte	,
		png_get_rgb_to_gray_status
	)

PNG_EXPORT	(	void	,
		png_build_grayscale_palette
	)

PNG_EXPORT	(	void	,
		png_set_strip_alpha
	)

PNG_EXPORT	(	void	,
		png_set_swap_alpha
	)

PNG_EXPORT	(	void	,
		png_set_invert_alpha
	)

PNG_EXPORT	(	void	,
		png_set_filler
	)

PNG_EXPORT	(	void	,
		png_set_add_alpha
	)

PNG_EXPORT	(	void	,
		png_set_swap
	)

PNG_EXPORT	(	void	,
		png_set_packing
	)

PNG_EXPORT	(	void	,
		png_set_packswap
	)

PNG_EXPORT	(	void	,
		png_set_shift
	)

PNG_EXPORT	(	int	,
		png_set_interlace_handling
	)

PNG_EXPORT	(	void	,
		png_set_invert_mono
	)

PNG_EXPORT	(	void	,
		png_set_background
	)

PNG_EXPORT	(	void	,
		png_set_strip_16
	)

PNG_EXPORT	(	void	,
		png_set_dither
	)

PNG_EXPORT	(	void	,
		png_set_gamma
	)

PNG_EXPORT	(	void	,
		png_permit_empty_plte
	)

PNG_EXPORT	(	void	,
		png_set_flush
	)

PNG_EXPORT	(	void	,
		png_write_flush
	)

PNG_EXPORT	(	void	,
		png_start_read_image
	)

PNG_EXPORT	(	void	,
		png_read_update_info
	)

PNG_EXPORT	(	void	,
		png_read_rows
	)

PNG_EXPORT	(	void	,
		png_read_row
	)

PNG_EXPORT	(	void	,
		png_read_image
	)

PNG_EXPORT	(	void	,
		png_write_row
	)

PNG_EXPORT	(	void	,
		png_write_rows
	)

PNG_EXPORT	(	void	,
		png_write_image
	)

PNG_EXPORT	(	void	,
		png_write_end
	)

PNG_EXPORT	(	void	,
		png_read_end
	)

PNG_EXPORT	(	void	,
		png_destroy_info_struct
	)

PNG_EXPORT	(	void	,
		png_destroy_read_struct
	)

PNG_EXPORT	(	void	,
		png_destroy_write_struct
	)

PNG_EXPORT	(	void	,
		png_set_crc_action
	)

PNG_EXPORT	(	void	,
		png_set_filter
	)

PNG_EXPORT	(	void	,
		png_set_filter_heuristics
	)

PNG_EXPORT	(	void	,
		png_set_compression_level
	)

PNG_EXPORT	(	void	,
		png_set_compression_mem_level
	)

PNG_EXPORT	(	void	,
		png_set_compression_strategy
	)

PNG_EXPORT	(	void	,
		png_set_compression_window_bits
	)

PNG_EXPORT	(	void	,
		png_set_compression_method
	)

PNG_EXPORT	(	void	,
		png_init_io
	)

PNG_EXPORT	(	void	,
		png_set_error_fn
	)

PNG_EXPORT	(	png_voidp	,
		png_get_error_ptr
	)

PNG_EXPORT	(	void	,
		png_set_write_fn
	)

PNG_EXPORT	(	void	,
		png_set_read_fn
	)

PNG_EXPORT	(	png_voidp	,
		png_get_io_ptr
	)

PNG_EXPORT	(	void	,
		png_set_read_status_fn
	)

PNG_EXPORT	(	void	,
		png_set_write_status_fn
	)

PNG_EXPORT	(	void	,
		png_set_mem_fn
	)

PNG_EXPORT	(	png_voidp	,
		png_get_mem_ptr
	)

PNG_EXPORT	(	void	,
		png_set_read_user_transform_fn
	)

PNG_EXPORT	(	void	,
		png_set_write_user_transform_fn
	)

PNG_EXPORT	(	void	,
		png_set_user_transform_info
	)

PNG_EXPORT	(	png_voidp	,
		png_get_user_transform_ptr
	)

PNG_EXPORT	(	void	,
		png_set_read_user_chunk_fn
	)

PNG_EXPORT	(	png_voidp	,
		png_get_user_chunk_ptr
	)

PNG_EXPORT	(	void	,
		png_set_progressive_read_fn
	)

PNG_EXPORT	(	png_voidp	,
		png_get_progressive_ptr
	)

PNG_EXPORT	(	void	,
		png_process_data
	)

PNG_EXPORT	(	void	,
		png_progressive_combine_row
	)

PNG_EXPORT	(	png_voidp	,
		png_malloc
	)

PNG_EXPORT	(	png_voidp	,
		png_malloc_warn
	)

PNG_EXPORT	(	void	,
		png_free
	)

PNG_EXPORT	(	void	,
		png_free_data
	)

PNG_EXPORT	(	void	,
		png_data_freer
	)

PNG_EXPORT	(	png_voidp	,
		png_malloc_default
	)

PNG_EXPORT	(	void	,
		png_free_default
	)

PNG_EXPORT	(	png_voidp	,
		png_memcpy_check
	)

PNG_EXPORT	(	png_voidp	,
		png_memset_check
	)

PNG_EXPORT	(	void	,
		png_error
	)

PNG_EXPORT	(	void	,
		png_chunk_error
	)

PNG_EXPORT	(	void	,
		png_warning
	)

PNG_EXPORT	(	void	,
		png_chunk_warning
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_valid
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_rowbytes
	)

PNG_EXPORT	(	png_bytepp	,
		png_get_rows
	)

PNG_EXPORT	(	void	,
		png_set_rows
	)

PNG_EXPORT	(	png_byte	,
		png_get_channels
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_image_width
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_image_height
	)

PNG_EXPORT	(	png_byte	,
		png_get_bit_depth
	)

PNG_EXPORT	(	png_byte	,
		png_get_color_type
	)

PNG_EXPORT	(	png_byte	,
		png_get_filter_type
	)

PNG_EXPORT	(	png_byte	,
		png_get_interlace_type
	)

PNG_EXPORT	(	png_byte	,
		png_get_compression_type
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_pixels_per_meter
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_x_pixels_per_meter
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_y_pixels_per_meter
	)

PNG_EXPORT	(	float	,
		png_get_pixel_aspect_ratio
	)

PNG_EXPORT	(	png_int_32	,
		png_get_x_offset_pixels
	)

PNG_EXPORT	(	png_int_32	,
		png_get_y_offset_pixels
	)

PNG_EXPORT	(	png_int_32	,
		png_get_x_offset_microns
	)

PNG_EXPORT	(	png_int_32	,
		png_get_y_offset_microns
	)

PNG_EXPORT	(	png_bytep	,
		png_get_signature
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_bKGD
	)

PNG_EXPORT	(	void	,
		png_set_bKGD
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_cHRM
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_cHRM_fixed
	)

PNG_EXPORT	(	void	,
		png_set_cHRM
	)

PNG_EXPORT	(	void	,
		png_set_cHRM_fixed
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_gAMA
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_gAMA_fixed
	)

PNG_EXPORT	(	void	,
		png_set_gAMA
	)

PNG_EXPORT	(	void	,
		png_set_gAMA_fixed
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_hIST
	)

PNG_EXPORT	(	void	,
		png_set_hIST
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_IHDR
	)

PNG_EXPORT	(	void	,
		png_set_IHDR
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_oFFs
	)

PNG_EXPORT	(	void	,
		png_set_oFFs
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_pCAL
	)

PNG_EXPORT	(	void	,
		png_set_pCAL
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_pHYs
	)

PNG_EXPORT	(	void	,
		png_set_pHYs
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_PLTE
	)

PNG_EXPORT	(	void	,
		png_set_PLTE
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_sBIT
	)

PNG_EXPORT	(	void	,
		png_set_sBIT
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_sRGB
	)

PNG_EXPORT	(	void	,
		png_set_sRGB
	)

PNG_EXPORT	(	void	,
		png_set_sRGB_gAMA_and_cHRM
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_iCCP
	)

PNG_EXPORT	(	void	,
		png_set_iCCP
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_sPLT
	)

PNG_EXPORT	(	void	,
		png_set_sPLT
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_text
	)

PNG_EXPORT	(	void	,
		png_set_text
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_tIME
	)

PNG_EXPORT	(	void	,
		png_set_tIME
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_tRNS
	)

PNG_EXPORT	(	void	,
		png_set_tRNS
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_sCAL
	)

PNG_EXPORT	(	void	,
		png_set_sCAL
	)

PNG_EXPORT	(	void	,
		png_set_keep_unknown_chunks
	)

PNG_EXPORT	(	void	,
		png_set_unknown_chunks
	)

PNG_EXPORT	(	void	,
		png_set_unknown_chunk_location
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_unknown_chunks
	)

PNG_EXPORT	(	int	,
		png_handle_as_unknown
	)

PNG_EXPORT	(	void	,
		png_set_invalid
	)

PNG_EXPORT	(	void	,
		png_read_png
	)

PNG_EXPORT	(	void	,
		png_write_png
	)

PNG_EXPORT	(	png_charp	,
		png_get_copyright
	)

PNG_EXPORT	(	png_charp	,
		png_get_header_ver
	)

PNG_EXPORT	(	png_charp	,
		png_get_header_version
	)

PNG_EXPORT	(	png_charp	,
		png_get_libpng_ver
	)

PNG_EXPORT	(	png_uint_32	,
		png_permit_mng_features
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_mmx_flagmask
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_asm_flagmask
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_asm_flags
	)

PNG_EXPORT	(	png_byte	,
		png_get_mmx_bitdepth_threshold
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_mmx_rowbytes_threshold
	)

PNG_EXPORT	(	void	,
		png_set_asm_flags
	)

PNG_EXPORT	(	void	,
		png_set_mmx_thresholds
	)

PNG_EXPORT	(	int	,
		png_mmx_support
	)

PNG_EXPORT	(	void	,
		png_set_strip_error_numbers
	)

PNG_EXPORT	(	void	,
		png_set_user_limits
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_user_width_max
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_user_height_max
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_uint_32
	)

PNG_EXPORT	(	png_uint_16	,
		png_get_uint_16
	)

PNG_EXPORT	(	png_int_32	,
		png_get_int_32
	)

PNG_EXPORT	(	png_uint_32	,
		png_get_uint_31
	)

PNG_EXPORT	(	void	,
		png_save_uint_32
	)

PNG_EXPORT	(	void	,
		png_save_int_32
	)

PNG_EXPORT	(	void	,
		png_save_uint_16
	)

PNG_EXPORT_VAR

(

PNG_CONST

char

)

PNG_EXPORT_VAR

(

PNG_CONST int

FARDATA

)

void png_read_destroy PNGARG

(

(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr)

)

void png_write_destroy PNGARG

(

(png_structp png_ptr)

)

typedef void

(

PNGAPI *

png_error_ptr

)

Variable Documentation

int int ancil_action

Definition at line 1818 of file png.h.

png_uint_32 asm_flags

Definition at line 2634 of file png.h.

png_infop png_color_16p background

Definition at line 2241 of file png.h.

png_color_16p background_color

Definition at line 1703 of file png.h.

png_color_16p int int double background_gamma

Definition at line 1703 of file png.h.

png_color_16p int background_gamma_code

Definition at line 1703 of file png.h.

png_infop png_uint_32 png_uint_32 int bit_depth

Definition at line 2309 of file png.h.

png_infop double double double double double double double blue_x

Definition at line 2252 of file png.h.

png_infop double double double double double double double double blue_y

Definition at line 2252 of file png.h.

png_bytep buf

Definition at line 2729 of file png.h.

png_infop png_bytep buffer

Definition at line 2042 of file png.h.

png_infop png_bytep png_size_t buffer_size

Definition at line 2042 of file png.h.

png_infop int chunk

Definition at line 2487 of file png.h.

int png_bytep chunk_list

Definition at line 2483 of file png.h.

png_bytep chunk_name

Definition at line 1541 of file png.h.

png_infop png_uint_32 png_uint_32 int int color_type

Definition at line 2309 of file png.h.

int* compilerID

Definition at line 2614 of file png.h.

png_infop png_uint_32 png_uint_32 int int int int compression_method

Definition at line 2309 of file png.h.

png_infop png_charp int compression_type

Definition at line 2382 of file png.h.

int crit_action

Definition at line 1818 of file png.h.

png_bytep data

Definition at line 1541 of file png.h.

double double default_file_gamma

Definition at line 1728 of file png.h.

png_bytep png_bytep display_row

Definition at line 1759 of file png.h.

int empty_plte_permitted

Definition at line 1738 of file png.h.

png_voidp png_progressive_info_ptr png_progressive_row_ptr png_progressive_end_ptr end_fn

Definition at line 2032 of file png.h.

png_infopp png_infopp end_info_ptr_ptr

Definition at line 1803 of file png.h.

png_infop png_unknown_chunkpp entries

Definition at line 2396 of file png.h.

int error_action

Definition at line 1628 of file png.h.

png_voidp png_error_ptr error_fn

Definition at line 1506 of file png.h.

png_const_charp error_message

Definition at line 2123 of file png.h.

png_voidp error_ptr

Definition at line 1506 of file png.h.

png_infop double file_gamma

Definition at line 2283 of file png.h.

png_uint_32 filler

Definition at line 1656 of file png.h.

int int png_doublep png_doublep filter_costs

Definition at line 1905 of file png.h.

png_infop png_uint_32 png_uint_32 int int int int int filter_method

Definition at line 2309 of file png.h.

int int png_doublep filter_weights

Definition at line 1905 of file png.h.

int int filters

Definition at line 1847 of file png.h.

png_infop png_uint_32 flag

Definition at line 2159 of file png.h.

png_uint_32 int flags

Definition at line 1656 of file png.h.

png_FILE_p fp

Definition at line 1951 of file png.h.

png_voidp png_malloc_ptr png_free_ptr free_fn

Definition at line 1530 of file png.h.

png_infop png_uint_32 free_me

Definition at line 2076 of file png.h.

png_infop int freer

Definition at line 2081 of file png.h.

png_colorp int int png_uint_16p int full_dither

Definition at line 1720 of file png.h.

int png_fixed_point png_fixed_point green

Definition at line 1628 of file png.h.

png_infop double double double double double green_x

Definition at line 2252 of file png.h.

png_infop double double double double double double green_y

Definition at line 2252 of file png.h.

png_infop int double double height

Definition at line 2309 of file png.h.

int heuristic_method

Definition at line 1905 of file png.h.

png_infop png_uint_16p hist

Definition at line 2300 of file png.h.

png_colorp int int png_uint_16p histogram

Definition at line 1720 of file png.h.

unsigned int i

Definition at line 2735 of file png.h.

png_bytepp image

Definition at line 1772 of file png.h.

png_voidp png_progressive_info_ptr info_fn

Definition at line 2032 of file png.h.

png_infop info_ptr

Definition at line 1571 of file png.h.

png_infopp info_ptr_ptr

Definition at line 1799 of file png.h.

typedef int

Definition at line 1113 of file png.h.

png_infop png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_point int_blue_x

Definition at line 2258 of file png.h.

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_point int_blue_y

Definition at line 2258 of file png.h.

png_infop png_fixed_point int_file_gamma

Definition at line 2286 of file png.h.

png_infop png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_point int_green_x

Definition at line 2258 of file png.h.

png_infop png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_point png_fixed_point int_green_y

Definition at line 2258 of file png.h.

png_infop png_fixed_point png_fixed_point png_fixed_point int_red_x

Definition at line 2258 of file png.h.

png_infop png_fixed_point png_fixed_point png_fixed_point png_fixed_point int_red_y

Definition at line 2258 of file png.h.

png_infop png_fixed_point int_white_x

Definition at line 2258 of file png.h.

png_infop png_fixed_point png_fixed_point int_white_y

Definition at line 2258 of file png.h.

png_infop int intent

Definition at line 2370 of file png.h.

png_infop png_uint_32 png_uint_32 int int int interlace_method

Definition at line 2309 of file png.h.

png_voidp io_ptr

Definition at line 1974 of file png.h.

int keep

Definition at line 2483 of file png.h.

png_bytep png_size_t length

Definition at line 1541 of file png.h.

int level

Definition at line 1926 of file png.h.

png_infop int int location

Definition at line 2487 of file png.h.

png_voidp png_malloc_ptr malloc_fn

Definition at line 1530 of file png.h.

png_infop int mask

Definition at line 2081 of file png.h.

png_colorp int int maximum_colors

Definition at line 1720 of file png.h.

int mem_level

Definition at line 1929 of file png.h.

png_voidp mem_ptr

Definition at line 1530 of file png.h.

int method

Definition at line 1847 of file png.h.

png_byte mmx_bitdepth_threshold

Definition at line 2638 of file png.h.

png_byte png_uint_32 mmx_rowbytes_threshold

Definition at line 2638 of file png.h.

png_uint_32 mng_features_permitted

Definition at line 2572 of file png.h.

png_infop png_timep mod_time

Definition at line 2425 of file png.h.

png_infop png_charp name

Definition at line 2382 of file png.h.

png_color_16p int int need_expand

Definition at line 1703 of file png.h.

png_infop png_sPLT_tp int nentries

Definition at line 2401 of file png.h.

png_bytep png_bytep new_row

Definition at line 2048 of file png.h.

png_infop png_charp png_int_32 png_int_32 int int nparams

Definition at line 2332 of file png.h.

int nrows

Definition at line 1744 of file png.h.

png_infop png_uint_32 int num

Definition at line 1502 of file png.h.

int num_bytes

Definition at line 1489 of file png.h.

int png_bytep int num_chunks

Definition at line 2483 of file png.h.

png_infop png_colorp int num_palette

Definition at line 1720 of file png.h.

png_bytepp png_uint_32 num_rows

Definition at line 1759 of file png.h.

png_infop png_textp int num_text

Definition at line 2407 of file png.h.

png_size_t png_size_t num_to_check

Definition at line 1496 of file png.h.

png_infop png_bytep int num_trans

Definition at line 2435 of file png.h.

png_infop png_unknown_chunkp int num_unknowns

Definition at line 2485 of file png.h.

int int num_weights

Definition at line 1905 of file png.h.

png_infop png_int_32 offset_x

Definition at line 2320 of file png.h.

png_infop png_int_32 png_int_32 offset_y

Definition at line 2320 of file png.h.

png_bytep old_row

Definition at line 2048 of file png.h.

png_voidp png_rw_ptr png_flush_ptr output_flush_fn

Definition at line 1974 of file png.h.

png_infop png_colorp palette

Definition at line 1637 of file png.h.

png_infop int png_voidp params

Definition at line 2332 of file png.h.

typedef png_bytep

Definition at line 1111 of file png.h.

typedef png_const_charp

Definition at line 1110 of file png.h.

png_size_t png_info_struct_size

Definition at line 1567 of file png.h.

typedef png_size_t

Definition at line 1111 of file png.h.

typedef png_uint_32

Definition at line 1113 of file png.h.

png_infop png_charp int png_charp profile

Definition at line 2382 of file png.h.

png_infop png_charp int png_charp png_uint_32 proflen

Definition at line 2382 of file png.h.

png_voidp progressive_ptr

Definition at line 2032 of file png.h.

png_timep ptime

Definition at line 1583 of file png.h.

png_voidp ptr

Definition at line 2063 of file png.h.

png_infop png_charp purpose

Definition at line 2332 of file png.h.

png_voidp png_rw_ptr read_data_fn

Definition at line 1978 of file png.h.

png_read_status_ptr read_row_fn

Definition at line 1984 of file png.h.

png_voidp png_user_chunk_ptr read_user_chunk_fn

Definition at line 2022 of file png.h.

png_user_transform_ptr read_user_transform_fn

Definition at line 2000 of file png.h.

int png_fixed_point red

Definition at line 1628 of file png.h.

png_infop double double double red_x

Definition at line 2252 of file png.h.

png_infop double double double double red_y

Definition at line 2252 of file png.h.

png_infop png_uint_32 res_x

Definition at line 2344 of file png.h.

png_infop png_uint_32 png_uint_32 res_y

Definition at line 2344 of file png.h.

png_bytepp row

Definition at line 1759 of file png.h.

png_voidp png_progressive_info_ptr png_progressive_row_ptr row_fn

Definition at line 2032 of file png.h.

png_infop png_bytepp row_pointers

Definition at line 2173 of file png.h.

png_voidp s1

Definition at line 2110 of file png.h.

png_voidp png_voidp s2

Definition at line 2110 of file png.h.

double screen_gamma

Definition at line 1728 of file png.h.

png_infop png_color_8p sig_bit

Definition at line 2360 of file png.h.

png_voidp int png_uint_32 size

Definition at line 1521 of file png.h.

png_size_t start

Definition at line 1496 of file png.h.

int strategy

Definition at line 1932 of file png.h.

png_uint_32 strip_mode

Definition at line 2652 of file png.h.

png_infop png_textp text_ptr

Definition at line 2407 of file png.h.

png_infop png_bytep trans

Definition at line 2435 of file png.h.

png_infop png_bytep int png_color_16p trans_values

Definition at line 2435 of file png.h.

png_infop int transforms

Definition at line 2505 of file png.h.

png_color_8p true_bits

Definition at line 1685 of file png.h.

time_t ttime

Definition at line 1591 of file png.h.

png_infop png_charp png_int_32 png_int_32 int type

Definition at line 2332 of file png.h.

png_infop int unit

Definition at line 2451 of file png.h.

png_infop png_uint_32 png_uint_32 int unit_type

Definition at line 2320 of file png.h.

png_infop png_charp png_int_32 png_int_32 int int png_charp units

Definition at line 2332 of file png.h.

png_infop png_unknown_chunkp unknowns

Definition at line 2485 of file png.h.

png_voidp user_chunk_ptr

Definition at line 2022 of file png.h.

png_uint_32 png_uint_32 user_height_max

Definition at line 2660 of file png.h.

png_voidp int int user_transform_channels

Definition at line 2013 of file png.h.

png_voidp int user_transform_depth

Definition at line 2013 of file png.h.

png_voidp user_transform_ptr

Definition at line 2013 of file png.h.

png_uint_32 user_width_max

Definition at line 2660 of file png.h.

png_voidp int value

Definition at line 2113 of file png.h.

png_voidp png_error_ptr png_error_ptr warn_fn

Definition at line 1506 of file png.h.

png_voidp png_error_ptr png_error_ptr warning_fn

Definition at line 1963 of file png.h.

png_const_charp warning_message

Definition at line 2136 of file png.h.

png_infop double white_x

Definition at line 2252 of file png.h.

png_infop double double white_y

Definition at line 2252 of file png.h.

png_infop int double width

Definition at line 2309 of file png.h.

int window_bits

Definition at line 1935 of file png.h.

png_voidp png_rw_ptr write_data_fn

Definition at line 1974 of file png.h.

png_write_status_ptr write_row_fn

Definition at line 1987 of file png.h.

png_user_transform_ptr write_user_transform_fn

Definition at line 2006 of file png.h.

png_infop png_charp png_int_32 X0

Definition at line 2332 of file png.h.

png_infop png_charp png_int_32 png_int_32 X1

Definition at line 2332 of file png.h.