#include <stdlib.h>
#include <string.h>
#include "pnglibconf.h"
#include "png.h"
#include <float.h>
#include <math.h>
#include "pngstruct.h"
#include "pnginfo.h"
#include "pngdebug.h"

Classes
struct	png_control

Macros
#define	_POSIX_SOURCE 1 /* Just the POSIX 1003.1 and C89 APIs */

#define	PNGLIB_BUILD /libpng is being built, not used/

#define	PNG_ARM_NEON_OPT 0

#define	PNG_MIPS_MSA_OPT 0

#define	PNG_POWERPC_VSX_OPT 0

#define	PNG_INTEL_SSE_OPT 0

#define	PNG_INTEL_SSE_IMPLEMENTATION 0

#define	PNG_IMPEXP

#define	PNG_DEPRECATED

#define	PNG_PRIVATE

#define	PNG_INTERNAL_DATA(type, name, array) PNG_LINKAGE_DATA type name array

#define	PNG_INTERNAL_FUNCTION(type, name, args, attributes) PNG_LINKAGE_FUNCTION PNG_FUNCTION(type, name, args, PNG_EMPTY attributes)

#define	PNG_INTERNAL_CALLBACK(type, name, args, attributes)

#define	PNG_DLL_EXPORT

#define	PNG_RELEASE_BUILD (PNG_LIBPNG_BUILD_BASE_TYPE >= PNG_LIBPNG_BUILD_RC)

#define	PNG_UNUSED(param) (void)param;

#define	PNG_WARNING_PARAMETERS(p) png_warning_parameters p;

#define	PNGFAPI PNGAPI

#define	png_voidcast(type, value) (value)

#define	png_constcast(type, value) ((type)(png_ptruint)(const void*)(value))

#define	png_aligncast(type, value) ((void*)(value))

#define	png_aligncastconst(type, value) ((const void*)(value))

#define	PNG_ABORT() abort()

#define	PNG_ALIGN_NONE 0 /* do not use data alignment */

#define	PNG_ALIGN_ALWAYS 1 /* assume unaligned accesses are OK */

#define	PNG_ALIGN_OFFSET -1 /* prevent the use of this */

#define	PNG_ALIGN_SIZE 3 /* use sizeof to determine alignment */

#define	PNG_ALIGN_TYPE PNG_ALIGN_SIZE

#define	png_alignof(type) (sizeof (type))

#define	png_isaligned(ptr, type)

#define	PNG_HAVE_IDAT 0x04U

#define	PNG_HAVE_IEND 0x10U

#define	PNG_HAVE_CHUNK_HEADER 0x100U

#define	PNG_WROTE_tIME 0x200U

#define	PNG_WROTE_INFO_BEFORE_PLTE 0x400U

#define	PNG_BACKGROUND_IS_GRAY 0x800U

#define	PNG_HAVE_PNG_SIGNATURE 0x1000U

#define	PNG_HAVE_CHUNK_AFTER_IDAT 0x2000U /* Have another chunk after IDAT */

#define	PNG_IS_READ_STRUCT 0x8000U /* Else is a write struct */

#define	PNG_BGR 0x0001U

#define	PNG_INTERLACE 0x0002U

#define	PNG_PACK 0x0004U

#define	PNG_SHIFT 0x0008U

#define	PNG_SWAP_BYTES 0x0010U

#define	PNG_INVERT_MONO 0x0020U

#define	PNG_QUANTIZE 0x0040U

#define	PNG_COMPOSE 0x0080U /* Was PNG_BACKGROUND */

#define	PNG_BACKGROUND_EXPAND 0x0100U

#define	PNG_EXPAND_16 0x0200U /* Added to libpng 1.5.2 */

#define	PNG_16_TO_8 0x0400U /* Becomes 'chop' in 1.5.4 */

#define	PNG_RGBA 0x0800U

#define	PNG_EXPAND 0x1000U

#define	PNG_GAMMA 0x2000U

#define	PNG_GRAY_TO_RGB 0x4000U

#define	PNG_FILLER 0x8000U

#define	PNG_PACKSWAP 0x10000U

#define	PNG_SWAP_ALPHA 0x20000U

#define	PNG_STRIP_ALPHA 0x40000U

#define	PNG_INVERT_ALPHA 0x80000U

#define	PNG_USER_TRANSFORM 0x100000U

#define	PNG_RGB_TO_GRAY_ERR 0x200000U

#define	PNG_RGB_TO_GRAY_WARN 0x400000U

#define	PNG_RGB_TO_GRAY 0x600000U /* two bits, RGB_TO_GRAY_ERR\|WARN */

#define	PNG_ENCODE_ALPHA 0x800000U /* Added to libpng-1.5.4 */

#define	PNG_ADD_ALPHA 0x1000000U /* Added to libpng-1.2.7 */

#define	PNG_EXPAND_tRNS 0x2000000U /* Added to libpng-1.2.9 */

#define	PNG_SCALE_16_TO_8 0x4000000U /* Added to libpng-1.5.4 */

#define	PNG_STRUCT_PNG 0x0001U

#define	PNG_STRUCT_INFO 0x0002U

#define	PNG_FLAG_ZLIB_CUSTOM_STRATEGY 0x0001U

#define	PNG_FLAG_ZSTREAM_INITIALIZED 0x0002U /* Added to libpng-1.6.0 */

#define	PNG_FLAG_ZSTREAM_ENDED 0x0008U /* Added to libpng-1.6.0 */

#define	PNG_FLAG_ROW_INIT 0x0040U

#define	PNG_FLAG_FILLER_AFTER 0x0080U

#define	PNG_FLAG_CRC_ANCILLARY_USE 0x0100U

#define	PNG_FLAG_CRC_ANCILLARY_NOWARN 0x0200U

#define	PNG_FLAG_CRC_CRITICAL_USE 0x0400U

#define	PNG_FLAG_CRC_CRITICAL_IGNORE 0x0800U

#define	PNG_FLAG_ASSUME_sRGB 0x1000U /* Added to libpng-1.5.4 */

#define	PNG_FLAG_OPTIMIZE_ALPHA 0x2000U /* Added to libpng-1.5.4 */

#define	PNG_FLAG_DETECT_UNINITIALIZED 0x4000U /* Added to libpng-1.5.4 */

#define	PNG_FLAG_LIBRARY_MISMATCH 0x20000U

#define	PNG_FLAG_STRIP_ERROR_NUMBERS 0x40000U

#define	PNG_FLAG_STRIP_ERROR_TEXT 0x80000U

#define	PNG_FLAG_BENIGN_ERRORS_WARN 0x100000U /* Added to libpng-1.4.0 */

#define	PNG_FLAG_APP_WARNINGS_WARN 0x200000U /* Added to libpng-1.6.0 */

#define	PNG_FLAG_APP_ERRORS_WARN 0x400000U /* Added to libpng-1.6.0 */

#define	PNG_FLAG_CRC_ANCILLARY_MASK

#define	PNG_FLAG_CRC_CRITICAL_MASK

#define	PNG_FLAG_CRC_MASK

#define	PNG_COLOR_DIST(c1, c2)

#define	PNG_DIV65535(v24) (((v24) + 32895) >> 16)

#define	PNG_DIV257(v16) PNG_DIV65535((png_uint_32)(v16) * 255)

#define	PNG_ROWBYTES(pixel_bits, width)

#define	PNG_TRAILBITS(pixel_bits, width) (((pixel_bits) * ((width) % (png_uint_32)8)) % 8)

#define	PNG_PADBITS(pixel_bits, width) ((8 - PNG_TRAILBITS(pixel_bits, width)) % 8)

#define	PNG_OUT_OF_RANGE(value, ideal, delta) ( (value) < (ideal)-(delta) \|\| (value) > (ideal)+(delta) )

#define	png_float(png_ptr, fixed, s) (.00001 * (fixed))

#define	PNG_32b(b, s) ((png_uint_32)(b) << (s))

#define	PNG_U32(b1, b2, b3, b4) (PNG_32b(b1,24) \| PNG_32b(b2,16) \| PNG_32b(b3,8) \| PNG_32b(b4,0))

#define	png_IDAT PNG_U32( 73, 68, 65, 84)

#define	png_IEND PNG_U32( 73, 69, 78, 68)

#define	png_IHDR PNG_U32( 73, 72, 68, 82)

#define	png_PLTE PNG_U32( 80, 76, 84, 69)

#define	png_bKGD PNG_U32( 98, 75, 71, 68)

#define	png_cHRM PNG_U32( 99, 72, 82, 77)

#define	png_eXIf PNG_U32(101, 88, 73, 102) /* registered July 2017 */

#define	png_fRAc PNG_U32(102, 82, 65, 99) /* registered, not defined */

#define	png_gAMA PNG_U32(103, 65, 77, 65)

#define	png_gIFg PNG_U32(103, 73, 70, 103)

#define	png_gIFt PNG_U32(103, 73, 70, 116) /* deprecated */

#define	png_gIFx PNG_U32(103, 73, 70, 120)

#define	png_hIST PNG_U32(104, 73, 83, 84)

#define	png_iCCP PNG_U32(105, 67, 67, 80)

#define	png_iTXt PNG_U32(105, 84, 88, 116)

#define	png_oFFs PNG_U32(111, 70, 70, 115)

#define	png_pCAL PNG_U32(112, 67, 65, 76)

#define	png_pHYs PNG_U32(112, 72, 89, 115)

#define	png_sBIT PNG_U32(115, 66, 73, 84)

#define	png_sCAL PNG_U32(115, 67, 65, 76)

#define	png_sPLT PNG_U32(115, 80, 76, 84)

#define	png_sRGB PNG_U32(115, 82, 71, 66)

#define	png_sTER PNG_U32(115, 84, 69, 82)

#define	png_tEXt PNG_U32(116, 69, 88, 116)

#define	png_tIME PNG_U32(116, 73, 77, 69)

#define	png_tRNS PNG_U32(116, 82, 78, 83)

#define	png_zTXt PNG_U32(122, 84, 88, 116)

#define	PNG_CHUNK_FROM_STRING(s) PNG_U32(0xff & (s)[0], 0xff & (s)[1], 0xff & (s)[2], 0xff & (s)[3])

#define	PNG_STRING_FROM_CHUNK(s, c)

#define	PNG_CSTRING_FROM_CHUNK(s, c) (void)(PNG_STRING_FROM_CHUNK(s,c), ((char*)(s))[4] = 0)

#define	PNG_CHUNK_ANCILLARY(c) (1 & ((c) >> 29))

#define	PNG_CHUNK_CRITICAL(c) (!PNG_CHUNK_ANCILLARY(c))

#define	PNG_CHUNK_PRIVATE(c) (1 & ((c) >> 21))

#define	PNG_CHUNK_RESERVED(c) (1 & ((c) >> 13))

#define	PNG_CHUNK_SAFE_TO_COPY(c) (1 & ((c) >> 5))

#define	PNG_GAMMA_MAC_OLD 151724 /* Assume '1.8' is really 2.2/1.45! */

#define	PNG_GAMMA_MAC_INVERSE 65909

#define	PNG_GAMMA_sRGB_INVERSE 45455

#define	PNG_sRGB_FROM_LINEAR(linear)

#define	PNG_UNEXPECTED_ZLIB_RETURN (-7)

#define	PNG_USE_COMPILE_TIME_MASKS 1

#define	PNG_INFLATE(pp, flush) inflate(&(pp)->zstream, flush)

#define	PNG_FORMAT_NUMBER(buffer, format, number) png_format_number(buffer, buffer + (sizeof buffer), format, number)

#define	PNG_NUMBER_BUFFER_SIZE 24

#define	PNG_NUMBER_FORMAT_u 1 /* chose unsigned API! */

#define	PNG_NUMBER_FORMAT_02u 2

#define	PNG_NUMBER_FORMAT_d 1 /* chose signed API! */

#define	PNG_NUMBER_FORMAT_02d 2

#define	PNG_NUMBER_FORMAT_x 3

#define	PNG_NUMBER_FORMAT_02x 4

#define	PNG_NUMBER_FORMAT_fixed 5 /* choose the signed API */

#define	PNG_WARNING_PARAMETER_SIZE 32

#define	PNG_WARNING_PARAMETER_COUNT 8 /* Maximum 9; see pngerror.c */

#define	PNG_CHUNK_WARNING 0 /* never an error */

#define	PNG_CHUNK_WRITE_ERROR 1 /* an error only on write */

#define	PNG_CHUNK_ERROR 2 /* always an error */

#define	PNG_sCAL_MAX_DIGITS (PNG_sCAL_PRECISION+1/./+1/E/+10/exponent/)

#define	PNG_FP_INTEGER 0 /* before or in integer */

#define	PNG_FP_FRACTION 1 /* before or in fraction */

#define	PNG_FP_EXPONENT 2 /* before or in exponent */

#define	PNG_FP_STATE 3 /* mask for the above */

#define	PNG_FP_SAW_SIGN 4 /* Saw +/- in current state */

#define	PNG_FP_SAW_DIGIT 8 /* Saw a digit in current state */

#define	PNG_FP_SAW_DOT 16 /* Saw a dot in current state */

#define	PNG_FP_SAW_E 32 /* Saw an E (or e) in current state */

#define	PNG_FP_SAW_ANY 60 /* Saw any of the above 4 */

#define	PNG_FP_WAS_VALID 64 /* Preceding substring is a valid fp number */

#define	PNG_FP_NEGATIVE 128 /* A negative number, including "-0" */

#define	PNG_FP_NONZERO 256 /* A non-zero value */

#define	PNG_FP_STICKY 448 /* The above three flags */

#define	PNG_FP_INVALID 512 /* Available for callers as a distinct value */

#define	PNG_FP_MAYBE 0 /* The number may be valid in the future */

#define	PNG_FP_OK 1 /* The number is valid */

#define	PNG_FP_NZ_MASK (PNG_FP_SAW_DIGIT \| PNG_FP_NEGATIVE \| PNG_FP_NONZERO)

#define	PNG_FP_Z_MASK (PNG_FP_SAW_DIGIT \| PNG_FP_NONZERO)

#define	PNG_FP_IS_ZERO(state) (((state) & PNG_FP_Z_MASK) == PNG_FP_SAW_DIGIT)

#define	PNG_FP_IS_POSITIVE(state) (((state) & PNG_FP_NZ_MASK) == PNG_FP_Z_MASK)

#define	PNG_FP_IS_NEGATIVE(state) (((state) & PNG_FP_NZ_MASK) == PNG_FP_NZ_MASK)

#define	png_control_jmp_buf(pc) ((pc)->error_buf)

Typedefs
typedef unsigned long	png_ptruint

typedef char	png_warning_parameters[PNG_WARNING_PARAMETER_COUNT][PNG_WARNING_PARAMETER_SIZE]

typedef struct png_control	png_control

Functions
	PNG_INTERNAL_DATA (const png_uint_16, png_sRGB_table, [256])

	PNG_INTERNAL_DATA (const png_uint_16, png_sRGB_base, [512])

	PNG_INTERNAL_DATA (const png_byte, png_sRGB_delta, [512])

	PNG_INTERNAL_FUNCTION (void, png_zstream_error,(png_structrp png_ptr, int ret), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_free_buffer_list,(png_structrp png_ptr, png_compression_bufferp *list), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (png_fixed_point, png_fixed,(png_const_structrp png_ptr, double fp, png_const_charp text), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (int, png_user_version_check,(png_structrp png_ptr, png_const_charp user_png_ver), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (png_voidp, png_malloc_base,(png_const_structrp png_ptr, png_alloc_size_t size), PNG_ALLOCATED)

	PNG_INTERNAL_FUNCTION (png_voidp, png_malloc_array,(png_const_structrp png_ptr, int nelements, size_t element_size), PNG_ALLOCATED)

	PNG_INTERNAL_FUNCTION (png_voidp, png_realloc_array,(png_const_structrp png_ptr, png_const_voidp array, int old_elements, int add_elements, size_t element_size), PNG_ALLOCATED)

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

	PNG_INTERNAL_FUNCTION (void, png_destroy_png_struct,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_free_jmpbuf,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (voidpf, png_zalloc,(voidpf png_ptr, uInt items, uInt size), PNG_ALLOCATED)

	PNG_INTERNAL_FUNCTION (void, png_zfree,(voidpf png_ptr, voidpf ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void PNGCBAPI, png_default_read_data,(png_structp png_ptr, png_bytep data, size_t length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void PNGCBAPI, png_push_fill_buffer,(png_structp png_ptr, png_bytep buffer, size_t length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void PNGCBAPI, png_default_write_data,(png_structp png_ptr, png_bytep data, size_t length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void PNGCBAPI, png_default_flush,(png_structp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_reset_crc,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_data,(png_structrp png_ptr, png_const_bytep data, size_t length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_read_sig,(png_structrp png_ptr, png_inforp info_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (png_uint_32, png_read_chunk_header,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_read_data,(png_structrp png_ptr, png_bytep data, size_t length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_crc_read,(png_structrp png_ptr, png_bytep buf, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (int, png_crc_finish,(png_structrp png_ptr, png_uint_32 skip), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (int, png_crc_error,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_calculate_crc,(png_structrp png_ptr, png_const_bytep ptr, size_t length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_flush,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_IHDR,(png_structrp png_ptr, png_uint_32 width, png_uint_32 height, int bit_depth, int color_type, int compression_method, int filter_method, int interlace_method), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_PLTE,(png_structrp png_ptr, png_const_colorp palette, png_uint_32 num_pal), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_compress_IDAT,(png_structrp png_ptr, png_const_bytep row_data, png_alloc_size_t row_data_length, int flush), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_IEND,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_gAMA_fixed,(png_structrp png_ptr, png_fixed_point file_gamma), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_sBIT,(png_structrp png_ptr, png_const_color_8p sbit, int color_type), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_cHRM_fixed,(png_structrp png_ptr, const png_xy *xy), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_sRGB,(png_structrp png_ptr, int intent), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_eXIf,(png_structrp png_ptr, png_bytep exif, int num_exif), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_iCCP,(png_structrp png_ptr, png_const_charp name, png_const_bytep profile), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_sPLT,(png_structrp png_ptr, png_const_sPLT_tp palette), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_tRNS,(png_structrp png_ptr, png_const_bytep trans, png_const_color_16p values, int number, int color_type), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_bKGD,(png_structrp png_ptr, png_const_color_16p values, int color_type), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_hIST,(png_structrp png_ptr, png_const_uint_16p hist, int num_hist), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_tEXt,(png_structrp png_ptr, png_const_charp key, png_const_charp text, size_t text_len), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_zTXt,(png_structrp png_ptr, png_const_charp key, png_const_charp text, int compression), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_iTXt,(png_structrp png_ptr, int compression, png_const_charp key, png_const_charp lang, png_const_charp lang_key, png_const_charp text), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (int, png_set_text_2,(png_const_structrp png_ptr, png_inforp info_ptr, png_const_textp text_ptr, int num_text), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_oFFs,(png_structrp png_ptr, png_int_32 x_offset, png_int_32 y_offset, int unit_type), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_pCAL,(png_structrp png_ptr, png_charp purpose, png_int_32 X0, png_int_32 X1, int type, int nparams, png_const_charp units, png_charpp params), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_pHYs,(png_structrp png_ptr, png_uint_32 x_pixels_per_unit, png_uint_32 y_pixels_per_unit, int unit_type), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_tIME,(png_structrp png_ptr, png_const_timep mod_time), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_sCAL_s,(png_structrp png_ptr, int unit, png_const_charp width, png_const_charp height), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_finish_row,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_start_row,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_combine_row,(png_const_structrp png_ptr, png_bytep row, int display), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_do_read_interlace,(png_row_infop row_info, png_bytep row, int pass, png_uint_32 transformations), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_do_write_interlace,(png_row_infop row_info, png_bytep row, int pass), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_read_filter_row,(png_structrp pp, png_row_infop row_info, png_bytep row, png_const_bytep prev_row, int filter), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_write_find_filter,(png_structrp png_ptr, png_row_infop row_info), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_read_IDAT_data,(png_structrp png_ptr, png_bytep output, png_alloc_size_t avail_out), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_read_finish_IDAT,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_read_finish_row,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_read_start_row,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_read_transform_info,(png_structrp png_ptr, png_inforp info_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_do_strip_channel,(png_row_infop row_info, png_bytep row, int at_start), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_do_swap,(png_row_infop row_info, png_bytep row), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_do_packswap,(png_row_infop row_info, png_bytep row), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_do_invert,(png_row_infop row_info, png_bytep row), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_do_bgr,(png_row_infop row_info, png_bytep row), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_IHDR,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_PLTE,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_IEND,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_bKGD,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_cHRM,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_eXIf,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_gAMA,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_hIST,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_iCCP,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_iTXt,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_oFFs,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_pCAL,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_pHYs,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_sBIT,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_sCAL,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_sPLT,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_sRGB,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_tEXt,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_tIME,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_tRNS,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_zTXt,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_check_chunk_name,(png_const_structrp png_ptr, png_uint_32 chunk_name), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_check_chunk_length,(png_const_structrp png_ptr, png_uint_32 chunk_length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_handle_unknown,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length, int keep), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (int, png_chunk_unknown_handling,(png_const_structrp png_ptr, png_uint_32 chunk_name), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_do_read_transformations,(png_structrp png_ptr, png_row_infop row_info), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_do_write_transformations,(png_structrp png_ptr, png_row_infop row_info), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_init_read_transformations,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_push_read_chunk,(png_structrp png_ptr, png_inforp info_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_push_read_sig,(png_structrp png_ptr, png_inforp info_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_push_check_crc,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_push_save_buffer,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_push_restore_buffer,(png_structrp png_ptr, png_bytep buffer, size_t buffer_length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_push_read_IDAT,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_process_IDAT_data,(png_structrp png_ptr, png_bytep buffer, size_t buffer_length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_push_process_row,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_push_handle_unknown,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_push_have_info,(png_structrp png_ptr, png_inforp info_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_push_have_end,(png_structrp png_ptr, png_inforp info_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_push_have_row,(png_structrp png_ptr, png_bytep row), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_push_read_end,(png_structrp png_ptr, png_inforp info_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_process_some_data,(png_structrp png_ptr, png_inforp info_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_read_push_finish_row,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_push_handle_tEXt,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_push_read_tEXt,(png_structrp png_ptr, png_inforp info_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_push_handle_zTXt,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_push_read_zTXt,(png_structrp png_ptr, png_inforp info_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_push_handle_iTXt,(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_push_read_iTXt,(png_structrp png_ptr, png_inforp info_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_colorspace_set_gamma,(png_const_structrp png_ptr, png_colorspacerp colorspace, png_fixed_point gAMA), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_colorspace_sync_info,(png_const_structrp png_ptr, png_inforp info_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_colorspace_sync,(png_const_structrp png_ptr, png_inforp info_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (int, png_colorspace_set_chromaticities,(png_const_structrp png_ptr, png_colorspacerp colorspace, const png_xy *xy, int preferred), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (int, png_colorspace_set_endpoints,(png_const_structrp png_ptr, png_colorspacerp colorspace, const png_XYZ *XYZ, int preferred), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (int, png_colorspace_set_sRGB,(png_const_structrp png_ptr, png_colorspacerp colorspace, int intent), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (int, png_colorspace_set_ICC,(png_const_structrp png_ptr, png_colorspacerp colorspace, png_const_charp name, png_uint_32 profile_length, png_const_bytep profile, int color_type), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (int, png_icc_check_length,(png_const_structrp png_ptr, png_colorspacerp colorspace, png_const_charp name, png_uint_32 profile_length), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (int, png_icc_check_header,(png_const_structrp png_ptr, png_colorspacerp colorspace, png_const_charp name, png_uint_32 profile_length, png_const_bytep profile, int color_type), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (int, png_icc_check_tag_table,(png_const_structrp png_ptr, png_colorspacerp colorspace, png_const_charp name, png_uint_32 profile_length, png_const_bytep profile), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_icc_set_sRGB,(png_const_structrp png_ptr, png_colorspacerp colorspace, png_const_bytep profile, uLong adler), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_colorspace_set_rgb_coefficients,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_check_IHDR,(png_const_structrp png_ptr, png_uint_32 width, png_uint_32 height, int bit_depth, int color_type, int interlace_type, int compression_type, int filter_type), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_do_check_palette_indexes,(png_structrp png_ptr, png_row_infop row_info), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_fixed_error,(png_const_structrp png_ptr, png_const_charp name), PNG_NORETURN)

	PNG_INTERNAL_FUNCTION (size_t, png_safecat,(png_charp buffer, size_t bufsize, size_t pos, png_const_charp string), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (png_charp, png_format_number,(png_const_charp start, png_charp end, int format, png_alloc_size_t number), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_warning_parameter,(png_warning_parameters p, int number, png_const_charp string), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_warning_parameter_unsigned,(png_warning_parameters p, int number, int format, png_alloc_size_t value), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_warning_parameter_signed,(png_warning_parameters p, int number, int format, png_int_32 value), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_formatted_warning,(png_const_structrp png_ptr, png_warning_parameters p, png_const_charp message), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_app_warning,(png_const_structrp png_ptr, png_const_charp message), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_app_error,(png_const_structrp png_ptr, png_const_charp message), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_chunk_report,(png_const_structrp png_ptr, png_const_charp message, int error), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_ascii_from_fp,(png_const_structrp png_ptr, png_charp ascii, size_t size, double fp, unsigned int precision), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_ascii_from_fixed,(png_const_structrp png_ptr, png_charp ascii, size_t size, png_fixed_point fp), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (int, png_check_fp_number,(png_const_charp string, size_t size, int *statep, png_size_tp whereami), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (int, png_check_fp_string,(png_const_charp string, size_t size), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (int, png_muldiv,(png_fixed_point_p res, png_fixed_point a, png_int_32 multiplied_by, png_int_32 divided_by), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (png_fixed_point, png_muldiv_warn,(png_const_structrp png_ptr, png_fixed_point a, png_int_32 multiplied_by, png_int_32 divided_by), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (png_fixed_point, png_reciprocal,(png_fixed_point a), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (png_fixed_point, png_reciprocal2,(png_fixed_point a, png_fixed_point b), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (int, png_gamma_significant,(png_fixed_point gamma_value), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (png_uint_16, png_gamma_correct,(png_structrp png_ptr, unsigned int value, png_fixed_point gamma_value), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (png_uint_16, png_gamma_16bit_correct,(unsigned int value, png_fixed_point gamma_value), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (png_byte, png_gamma_8bit_correct,(unsigned int value, png_fixed_point gamma_value), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_destroy_gamma_table,(png_structrp png_ptr), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (void, png_build_gamma_table,(png_structrp png_ptr, int bit_depth), PNG_EMPTY)

	PNG_INTERNAL_CALLBACK (void, png_safe_error,(png_structp png_ptr, png_const_charp error_message), PNG_NORETURN)

	PNG_INTERNAL_CALLBACK (void, png_safe_warning,(png_structp png_ptr, png_const_charp warning_message), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (int, png_safe_execute,(png_imagep image, int(*function)(png_voidp), png_voidp arg), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (int, png_image_error,(png_imagep image, png_const_charp error_message), PNG_EMPTY)

	PNG_INTERNAL_FUNCTION (png_uint_32, png_check_keyword,(png_structrp png_ptr, png_const_charp key, png_bytep new_key), PNG_EMPTY)

Variables
const typedef png_uint_16p *	png_const_uint_16pp

Macro Definition Documentation

◆ _POSIX_SOURCE

#define _POSIX_SOURCE 1 /* Just the POSIX 1003.1 and C89 APIs */

◆ PNGLIB_BUILD

#define PNGLIB_BUILD /*libpng is being built, not used*/

◆ PNG_ARM_NEON_OPT

#define PNG_ARM_NEON_OPT 0

◆ PNG_MIPS_MSA_OPT

#define PNG_MIPS_MSA_OPT 0

◆ PNG_POWERPC_VSX_OPT

#define PNG_POWERPC_VSX_OPT 0

◆ PNG_INTEL_SSE_OPT

#define PNG_INTEL_SSE_OPT 0

◆ PNG_INTEL_SSE_IMPLEMENTATION

#define PNG_INTEL_SSE_IMPLEMENTATION 0

◆ PNG_IMPEXP

#define PNG_IMPEXP

◆ PNG_DEPRECATED

#define PNG_DEPRECATED

◆ PNG_PRIVATE

#define PNG_PRIVATE

◆ PNG_INTERNAL_DATA

#define PNG_INTERNAL_DATA	(	type,
		name,
		array
	)	PNG_LINKAGE_DATA type name array

◆ PNG_INTERNAL_FUNCTION

#define PNG_INTERNAL_FUNCTION	(	type,
		name,
		args,
		attributes
	)	PNG_LINKAGE_FUNCTION PNG_FUNCTION(type, name, args, PNG_EMPTY attributes)

◆ PNG_INTERNAL_CALLBACK

#define PNG_INTERNAL_CALLBACK	(	type,
		name,
		args,
		attributes
	)

Value:

PNG_LINKAGE_CALLBACK PNG_FUNCTION(type, (PNGCBAPI name), args,\

PNG_EMPTY attributes)

◆ PNG_DLL_EXPORT

#define PNG_DLL_EXPORT

◆ PNG_RELEASE_BUILD

#define PNG_RELEASE_BUILD (PNG_LIBPNG_BUILD_BASE_TYPE >= PNG_LIBPNG_BUILD_RC)

◆ PNG_UNUSED

#define PNG_UNUSED ( param ) (void)param;

◆ PNG_WARNING_PARAMETERS

#define PNG_WARNING_PARAMETERS ( p ) png_warning_parameters p;

◆ PNGFAPI

#define PNGFAPI PNGAPI

◆ png_voidcast

#define png_voidcast	(	type,
		value
	)	(value)

◆ png_constcast

#define png_constcast	(	type,
		value
	)	((type)(png_ptruint)(const void*)(value))

◆ png_aligncast

#define png_aligncast	(	type,
		value
	)	((void*)(value))

◆ png_aligncastconst

#define png_aligncastconst	(	type,
		value
	)	((const void*)(value))

◆ PNG_ABORT

#define PNG_ABORT ( ) abort()

◆ PNG_ALIGN_NONE

#define PNG_ALIGN_NONE 0 /* do not use data alignment */

◆ PNG_ALIGN_ALWAYS

#define PNG_ALIGN_ALWAYS 1 /* assume unaligned accesses are OK */

◆ PNG_ALIGN_OFFSET

#define PNG_ALIGN_OFFSET -1 /* prevent the use of this */

◆ PNG_ALIGN_SIZE

#define PNG_ALIGN_SIZE 3 /* use sizeof to determine alignment */

◆ PNG_ALIGN_TYPE

#define PNG_ALIGN_TYPE PNG_ALIGN_SIZE

◆ png_alignof

#define png_alignof ( type ) (sizeof (type))

◆ png_isaligned

#define png_isaligned	(	ptr,
		type
	)

Value:

(((type)((const char*)ptr-(const char*)0) & \

(type)(png_alignof(type)-1)) == 0)

◆ PNG_HAVE_IDAT

#define PNG_HAVE_IDAT 0x04U

◆ PNG_HAVE_IEND

#define PNG_HAVE_IEND 0x10U

◆ PNG_HAVE_CHUNK_HEADER

#define PNG_HAVE_CHUNK_HEADER 0x100U

◆ PNG_WROTE_tIME

#define PNG_WROTE_tIME 0x200U

◆ PNG_WROTE_INFO_BEFORE_PLTE

#define PNG_WROTE_INFO_BEFORE_PLTE 0x400U

◆ PNG_BACKGROUND_IS_GRAY

#define PNG_BACKGROUND_IS_GRAY 0x800U

◆ PNG_HAVE_PNG_SIGNATURE

#define PNG_HAVE_PNG_SIGNATURE 0x1000U

◆ PNG_HAVE_CHUNK_AFTER_IDAT

#define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000U /* Have another chunk after IDAT */

◆ PNG_IS_READ_STRUCT

#define PNG_IS_READ_STRUCT 0x8000U /* Else is a write struct */

◆ PNG_BGR

#define PNG_BGR 0x0001U

◆ PNG_INTERLACE

#define PNG_INTERLACE 0x0002U

◆ PNG_PACK

#define PNG_PACK 0x0004U

◆ PNG_SHIFT

#define PNG_SHIFT 0x0008U

◆ PNG_SWAP_BYTES

#define PNG_SWAP_BYTES 0x0010U

◆ PNG_INVERT_MONO

#define PNG_INVERT_MONO 0x0020U

◆ PNG_QUANTIZE

#define PNG_QUANTIZE 0x0040U

◆ PNG_COMPOSE

#define PNG_COMPOSE 0x0080U /* Was PNG_BACKGROUND */

◆ PNG_BACKGROUND_EXPAND

#define PNG_BACKGROUND_EXPAND 0x0100U

◆ PNG_EXPAND_16

#define PNG_EXPAND_16 0x0200U /* Added to libpng 1.5.2 */

◆ PNG_16_TO_8

#define PNG_16_TO_8 0x0400U /* Becomes 'chop' in 1.5.4 */

◆ PNG_RGBA

#define PNG_RGBA 0x0800U

◆ PNG_EXPAND

#define PNG_EXPAND 0x1000U

◆ PNG_GAMMA

#define PNG_GAMMA 0x2000U

◆ PNG_GRAY_TO_RGB

#define PNG_GRAY_TO_RGB 0x4000U

◆ PNG_FILLER

#define PNG_FILLER 0x8000U

◆ PNG_PACKSWAP

#define PNG_PACKSWAP 0x10000U

◆ PNG_SWAP_ALPHA

#define PNG_SWAP_ALPHA 0x20000U

◆ PNG_STRIP_ALPHA

#define PNG_STRIP_ALPHA 0x40000U

◆ PNG_INVERT_ALPHA

#define PNG_INVERT_ALPHA 0x80000U

◆ PNG_USER_TRANSFORM

#define PNG_USER_TRANSFORM 0x100000U

◆ PNG_RGB_TO_GRAY_ERR

#define PNG_RGB_TO_GRAY_ERR 0x200000U

◆ PNG_RGB_TO_GRAY_WARN

#define PNG_RGB_TO_GRAY_WARN 0x400000U

◆ PNG_RGB_TO_GRAY

#define PNG_RGB_TO_GRAY 0x600000U /* two bits, RGB_TO_GRAY_ERR|WARN */

◆ PNG_ENCODE_ALPHA

#define PNG_ENCODE_ALPHA 0x800000U /* Added to libpng-1.5.4 */

◆ PNG_ADD_ALPHA

#define PNG_ADD_ALPHA 0x1000000U /* Added to libpng-1.2.7 */

◆ PNG_EXPAND_tRNS

#define PNG_EXPAND_tRNS 0x2000000U /* Added to libpng-1.2.9 */

◆ PNG_SCALE_16_TO_8

#define PNG_SCALE_16_TO_8 0x4000000U /* Added to libpng-1.5.4 */

◆ PNG_STRUCT_PNG

#define PNG_STRUCT_PNG 0x0001U

◆ PNG_STRUCT_INFO

#define PNG_STRUCT_INFO 0x0002U

◆ PNG_FLAG_ZLIB_CUSTOM_STRATEGY

#define PNG_FLAG_ZLIB_CUSTOM_STRATEGY 0x0001U

◆ PNG_FLAG_ZSTREAM_INITIALIZED

#define PNG_FLAG_ZSTREAM_INITIALIZED 0x0002U /* Added to libpng-1.6.0 */

◆ PNG_FLAG_ZSTREAM_ENDED

#define PNG_FLAG_ZSTREAM_ENDED 0x0008U /* Added to libpng-1.6.0 */

◆ PNG_FLAG_ROW_INIT

#define PNG_FLAG_ROW_INIT 0x0040U

◆ PNG_FLAG_FILLER_AFTER

#define PNG_FLAG_FILLER_AFTER 0x0080U

◆ PNG_FLAG_CRC_ANCILLARY_USE

#define PNG_FLAG_CRC_ANCILLARY_USE 0x0100U

◆ PNG_FLAG_CRC_ANCILLARY_NOWARN

#define PNG_FLAG_CRC_ANCILLARY_NOWARN 0x0200U

◆ PNG_FLAG_CRC_CRITICAL_USE

#define PNG_FLAG_CRC_CRITICAL_USE 0x0400U

◆ PNG_FLAG_CRC_CRITICAL_IGNORE

#define PNG_FLAG_CRC_CRITICAL_IGNORE 0x0800U

◆ PNG_FLAG_ASSUME_sRGB

#define PNG_FLAG_ASSUME_sRGB 0x1000U /* Added to libpng-1.5.4 */

◆ PNG_FLAG_OPTIMIZE_ALPHA

#define PNG_FLAG_OPTIMIZE_ALPHA 0x2000U /* Added to libpng-1.5.4 */

◆ PNG_FLAG_DETECT_UNINITIALIZED

#define PNG_FLAG_DETECT_UNINITIALIZED 0x4000U /* Added to libpng-1.5.4 */

◆ PNG_FLAG_LIBRARY_MISMATCH

#define PNG_FLAG_LIBRARY_MISMATCH 0x20000U

◆ PNG_FLAG_STRIP_ERROR_NUMBERS

#define PNG_FLAG_STRIP_ERROR_NUMBERS 0x40000U

◆ PNG_FLAG_STRIP_ERROR_TEXT

#define PNG_FLAG_STRIP_ERROR_TEXT 0x80000U

◆ PNG_FLAG_BENIGN_ERRORS_WARN

#define PNG_FLAG_BENIGN_ERRORS_WARN 0x100000U /* Added to libpng-1.4.0 */

◆ PNG_FLAG_APP_WARNINGS_WARN

#define PNG_FLAG_APP_WARNINGS_WARN 0x200000U /* Added to libpng-1.6.0 */

◆ PNG_FLAG_APP_ERRORS_WARN

#define PNG_FLAG_APP_ERRORS_WARN 0x400000U /* Added to libpng-1.6.0 */

◆ PNG_FLAG_CRC_ANCILLARY_MASK

#define PNG_FLAG_CRC_ANCILLARY_MASK

Value:

(PNG_FLAG_CRC_ANCILLARY_USE | \

PNG_FLAG_CRC_ANCILLARY_NOWARN)

◆ PNG_FLAG_CRC_CRITICAL_MASK

#define PNG_FLAG_CRC_CRITICAL_MASK

Value:

(PNG_FLAG_CRC_CRITICAL_USE | \

PNG_FLAG_CRC_CRITICAL_IGNORE)

◆ PNG_FLAG_CRC_MASK

#define PNG_FLAG_CRC_MASK

Value:

(PNG_FLAG_CRC_ANCILLARY_MASK | \

PNG_FLAG_CRC_CRITICAL_MASK)

◆ PNG_COLOR_DIST

#define PNG_COLOR_DIST	(	c1,
		c2
	)

Value:

(abs((int)((c1).red) - (int)((c2).red)) + \
   abs((int)((c1).green) - (int)((c2).green)) + \
   abs((int)((c1).blue) - (int)((c2).blue)))

◆ PNG_DIV65535

#define PNG_DIV65535 ( v24 ) (((v24) + 32895) >> 16)

◆ PNG_DIV257

#define PNG_DIV257 ( v16 ) PNG_DIV65535((png_uint_32)(v16) * 255)

◆ PNG_ROWBYTES

#define PNG_ROWBYTES	(	pixel_bits,
		width
	)

Value:

((pixel_bits) >= 8 ? \
    ((size_t)(width) * (((size_t)(pixel_bits)) >> 3)) : \
    (( ((size_t)(width) * ((size_t)(pixel_bits))) + 7) >> 3) )

◆ PNG_TRAILBITS

#define PNG_TRAILBITS	(	pixel_bits,
		width
	)	(((pixel_bits) * ((width) % (png_uint_32)8)) % 8)

◆ PNG_PADBITS

#define PNG_PADBITS	(	pixel_bits,
		width
	)	((8 - PNG_TRAILBITS(pixel_bits, width)) % 8)

◆ PNG_OUT_OF_RANGE

#define PNG_OUT_OF_RANGE	(	value,
		ideal,
		delta
	)	( (value) < (ideal)-(delta) \|\| (value) > (ideal)+(delta) )

◆ png_float

#define png_float	(	png_ptr,
		fixed,
		s
	)	(.00001 * (fixed))

◆ PNG_32b

#define PNG_32b	(	b,
		s
	)	((png_uint_32)(b) << (s))

◆ PNG_U32

#define PNG_U32	(	b1,
		b2,
		b3,
		b4
	)	(PNG_32b(b1,24) \| PNG_32b(b2,16) \| PNG_32b(b3,8) \| PNG_32b(b4,0))

◆ png_IDAT

#define png_IDAT PNG_U32( 73, 68, 65, 84)

◆ png_IEND

#define png_IEND PNG_U32( 73, 69, 78, 68)

◆ png_IHDR

#define png_IHDR PNG_U32( 73, 72, 68, 82)

◆ png_PLTE

#define png_PLTE PNG_U32( 80, 76, 84, 69)

◆ png_bKGD

#define png_bKGD PNG_U32( 98, 75, 71, 68)

◆ png_cHRM

#define png_cHRM PNG_U32( 99, 72, 82, 77)

◆ png_eXIf

#define png_eXIf PNG_U32(101, 88, 73, 102) /* registered July 2017 */

◆ png_fRAc

#define png_fRAc PNG_U32(102, 82, 65, 99) /* registered, not defined */

◆ png_gAMA

#define png_gAMA PNG_U32(103, 65, 77, 65)

◆ png_gIFg

#define png_gIFg PNG_U32(103, 73, 70, 103)

◆ png_gIFt

#define png_gIFt PNG_U32(103, 73, 70, 116) /* deprecated */

◆ png_gIFx

#define png_gIFx PNG_U32(103, 73, 70, 120)

◆ png_hIST

#define png_hIST PNG_U32(104, 73, 83, 84)

◆ png_iCCP

#define png_iCCP PNG_U32(105, 67, 67, 80)

◆ png_iTXt

#define png_iTXt PNG_U32(105, 84, 88, 116)

◆ png_oFFs

#define png_oFFs PNG_U32(111, 70, 70, 115)

◆ png_pCAL

#define png_pCAL PNG_U32(112, 67, 65, 76)

◆ png_pHYs

#define png_pHYs PNG_U32(112, 72, 89, 115)

◆ png_sBIT

#define png_sBIT PNG_U32(115, 66, 73, 84)

◆ png_sCAL

#define png_sCAL PNG_U32(115, 67, 65, 76)

◆ png_sPLT

#define png_sPLT PNG_U32(115, 80, 76, 84)

◆ png_sRGB

#define png_sRGB PNG_U32(115, 82, 71, 66)

◆ png_sTER

#define png_sTER PNG_U32(115, 84, 69, 82)

◆ png_tEXt

#define png_tEXt PNG_U32(116, 69, 88, 116)

◆ png_tIME

#define png_tIME PNG_U32(116, 73, 77, 69)

◆ png_tRNS

#define png_tRNS PNG_U32(116, 82, 78, 83)

◆ png_zTXt

#define png_zTXt PNG_U32(122, 84, 88, 116)

◆ PNG_CHUNK_FROM_STRING

#define PNG_CHUNK_FROM_STRING ( s ) PNG_U32(0xff & (s)[0], 0xff & (s)[1], 0xff & (s)[2], 0xff & (s)[3])

◆ PNG_STRING_FROM_CHUNK

#define PNG_STRING_FROM_CHUNK	(	s,
		c
	)

Value:

(void)(((char*)(s))[0]=(char)(((c)>>24) & 0xff), \
   ((char*)(s))[1]=(char)(((c)>>16) & 0xff),\
   ((char*)(s))[2]=(char)(((c)>>8) & 0xff), \
   ((char*)(s))[3]=(char)((c & 0xff)))

◆ PNG_CSTRING_FROM_CHUNK

#define PNG_CSTRING_FROM_CHUNK	(	s,
		c
	)	(void)(PNG_STRING_FROM_CHUNK(s,c), ((char*)(s))[4] = 0)

◆ PNG_CHUNK_ANCILLARY

#define PNG_CHUNK_ANCILLARY ( c ) (1 & ((c) >> 29))

◆ PNG_CHUNK_CRITICAL

#define PNG_CHUNK_CRITICAL ( c ) (!PNG_CHUNK_ANCILLARY(c))

◆ PNG_CHUNK_PRIVATE

#define PNG_CHUNK_PRIVATE ( c ) (1 & ((c) >> 21))

◆ PNG_CHUNK_RESERVED

#define PNG_CHUNK_RESERVED ( c ) (1 & ((c) >> 13))

◆ PNG_CHUNK_SAFE_TO_COPY

#define PNG_CHUNK_SAFE_TO_COPY ( c ) (1 & ((c) >> 5))

◆ PNG_GAMMA_MAC_OLD

#define PNG_GAMMA_MAC_OLD 151724 /* Assume '1.8' is really 2.2/1.45! */

◆ PNG_GAMMA_MAC_INVERSE

#define PNG_GAMMA_MAC_INVERSE 65909

◆ PNG_GAMMA_sRGB_INVERSE

#define PNG_GAMMA_sRGB_INVERSE 45455

◆ PNG_sRGB_FROM_LINEAR

#define PNG_sRGB_FROM_LINEAR ( linear )

Value:

((png_byte)(0xff & ((png_sRGB_base[(linear)>>15] \

+ ((((linear) & 0x7fff)*png_sRGB_delta[(linear)>>15])>>12)) >> 8)))

◆ PNG_UNEXPECTED_ZLIB_RETURN

#define PNG_UNEXPECTED_ZLIB_RETURN (-7)

◆ PNG_USE_COMPILE_TIME_MASKS

#define PNG_USE_COMPILE_TIME_MASKS 1

◆ PNG_INFLATE

#define PNG_INFLATE	(	pp,
		flush
	)	inflate(&(pp)->zstream, flush)

◆ PNG_FORMAT_NUMBER

#define PNG_FORMAT_NUMBER	(	buffer,
		format,
		number
	)	png_format_number(buffer, buffer + (sizeof buffer), format, number)

◆ PNG_NUMBER_BUFFER_SIZE

#define PNG_NUMBER_BUFFER_SIZE 24

◆ PNG_NUMBER_FORMAT_u

#define PNG_NUMBER_FORMAT_u 1 /* chose unsigned API! */

◆ PNG_NUMBER_FORMAT_02u

#define PNG_NUMBER_FORMAT_02u 2

◆ PNG_NUMBER_FORMAT_d

#define PNG_NUMBER_FORMAT_d 1 /* chose signed API! */

◆ PNG_NUMBER_FORMAT_02d

#define PNG_NUMBER_FORMAT_02d 2

◆ PNG_NUMBER_FORMAT_x

#define PNG_NUMBER_FORMAT_x 3

◆ PNG_NUMBER_FORMAT_02x

#define PNG_NUMBER_FORMAT_02x 4

◆ PNG_NUMBER_FORMAT_fixed

#define PNG_NUMBER_FORMAT_fixed 5 /* choose the signed API */

◆ PNG_WARNING_PARAMETER_SIZE

#define PNG_WARNING_PARAMETER_SIZE 32

◆ PNG_WARNING_PARAMETER_COUNT

#define PNG_WARNING_PARAMETER_COUNT 8 /* Maximum 9; see pngerror.c */

◆ PNG_CHUNK_WARNING

#define PNG_CHUNK_WARNING 0 /* never an error */

◆ PNG_CHUNK_WRITE_ERROR

#define PNG_CHUNK_WRITE_ERROR 1 /* an error only on write */

◆ PNG_CHUNK_ERROR

#define PNG_CHUNK_ERROR 2 /* always an error */

◆ PNG_sCAL_MAX_DIGITS

#define PNG_sCAL_MAX_DIGITS (PNG_sCAL_PRECISION+1/*.*/+1/*E*/+10/*exponent*/)

◆ PNG_FP_INTEGER

#define PNG_FP_INTEGER 0 /* before or in integer */

◆ PNG_FP_FRACTION

#define PNG_FP_FRACTION 1 /* before or in fraction */

◆ PNG_FP_EXPONENT

#define PNG_FP_EXPONENT 2 /* before or in exponent */

◆ PNG_FP_STATE

#define PNG_FP_STATE 3 /* mask for the above */

◆ PNG_FP_SAW_SIGN

#define PNG_FP_SAW_SIGN 4 /* Saw +/- in current state */

◆ PNG_FP_SAW_DIGIT

#define PNG_FP_SAW_DIGIT 8 /* Saw a digit in current state */

◆ PNG_FP_SAW_DOT

#define PNG_FP_SAW_DOT 16 /* Saw a dot in current state */

◆ PNG_FP_SAW_E

#define PNG_FP_SAW_E 32 /* Saw an E (or e) in current state */

◆ PNG_FP_SAW_ANY

#define PNG_FP_SAW_ANY 60 /* Saw any of the above 4 */

◆ PNG_FP_WAS_VALID

#define PNG_FP_WAS_VALID 64 /* Preceding substring is a valid fp number */

◆ PNG_FP_NEGATIVE

#define PNG_FP_NEGATIVE 128 /* A negative number, including "-0" */

◆ PNG_FP_NONZERO

#define PNG_FP_NONZERO 256 /* A non-zero value */

◆ PNG_FP_STICKY

#define PNG_FP_STICKY 448 /* The above three flags */

◆ PNG_FP_INVALID

#define PNG_FP_INVALID 512 /* Available for callers as a distinct value */

◆ PNG_FP_MAYBE

#define PNG_FP_MAYBE 0 /* The number may be valid in the future */

◆ PNG_FP_OK

#define PNG_FP_OK 1 /* The number is valid */

◆ PNG_FP_NZ_MASK

#define PNG_FP_NZ_MASK (PNG_FP_SAW_DIGIT | PNG_FP_NEGATIVE | PNG_FP_NONZERO)

◆ PNG_FP_Z_MASK

#define PNG_FP_Z_MASK (PNG_FP_SAW_DIGIT | PNG_FP_NONZERO)

◆ PNG_FP_IS_ZERO

#define PNG_FP_IS_ZERO ( state ) (((state) & PNG_FP_Z_MASK) == PNG_FP_SAW_DIGIT)

◆ PNG_FP_IS_POSITIVE

#define PNG_FP_IS_POSITIVE ( state ) (((state) & PNG_FP_NZ_MASK) == PNG_FP_Z_MASK)

◆ PNG_FP_IS_NEGATIVE

#define PNG_FP_IS_NEGATIVE ( state ) (((state) & PNG_FP_NZ_MASK) == PNG_FP_NZ_MASK)

◆ png_control_jmp_buf

#define png_control_jmp_buf ( pc ) ((pc)->error_buf)

Typedef Documentation

◆ png_ptruint

typedef unsigned long png_ptruint

◆ png_warning_parameters

typedef char png_warning_parameters[PNG_WARNING_PARAMETER_COUNT][ PNG_WARNING_PARAMETER_SIZE]

◆ png_control

typedef struct png_control png_control

Function Documentation

◆ PNG_INTERNAL_DATA() [1/3]

PNG_INTERNAL_DATA	(	const	png_uint_16,
		png_sRGB_table
	)

◆ PNG_INTERNAL_DATA() [2/3]

PNG_INTERNAL_DATA	(	const	png_uint_16,
		png_sRGB_base
	)

◆ PNG_INTERNAL_DATA() [3/3]

PNG_INTERNAL_DATA	(	const	png_byte,
		png_sRGB_delta
	)

◆ PNG_INTERNAL_FUNCTION() [1/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_zstream_error	,
		(png_structrp png_ptr, int ret)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [2/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_free_buffer_list	,
		(png_structrp png_ptr, png_compression_bufferp *list)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [3/156]

PNG_INTERNAL_FUNCTION	(	png_fixed_point	,
		png_fixed	,
		(png_const_structrp png_ptr, double fp, png_const_charp text)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [4/156]

PNG_INTERNAL_FUNCTION	(	int	,
		png_user_version_check	,
		(png_structrp png_ptr, png_const_charp user_png_ver)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [5/156]

PNG_INTERNAL_FUNCTION	(	png_voidp	,
		png_malloc_base	,
		(png_const_structrp png_ptr, png_alloc_size_t size)	,
		PNG_ALLOCATED
	)

◆ PNG_INTERNAL_FUNCTION() [6/156]

PNG_INTERNAL_FUNCTION	(	png_voidp	,
		png_malloc_array	,
		(png_const_structrp png_ptr, int nelements, size_t element_size)	,
		PNG_ALLOCATED
	)

◆ PNG_INTERNAL_FUNCTION() [7/156]

PNG_INTERNAL_FUNCTION	(	png_voidp	,
		png_realloc_array	,
		(png_const_structrp png_ptr, png_const_voidp array, int old_elements, int add_elements, size_t element_size)	,
		PNG_ALLOCATED
	)

◆ PNG_INTERNAL_FUNCTION() [8/156]

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

◆ PNG_INTERNAL_FUNCTION() [9/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_destroy_png_struct	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [10/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_free_jmpbuf	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [11/156]

PNG_INTERNAL_FUNCTION	(	voidpf	,
		png_zalloc	,
		(voidpf png_ptr, uInt items, uInt size)	,
		PNG_ALLOCATED
	)

◆ PNG_INTERNAL_FUNCTION() [12/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_zfree	,
		(voidpf png_ptr, voidpf ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [13/156]

PNG_INTERNAL_FUNCTION	(	void	PNGCBAPI,
		png_default_read_data	,
		(png_structp png_ptr, png_bytep data, size_t length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [14/156]

PNG_INTERNAL_FUNCTION	(	void	PNGCBAPI,
		png_push_fill_buffer	,
		(png_structp png_ptr, png_bytep buffer, size_t length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [15/156]

PNG_INTERNAL_FUNCTION	(	void	PNGCBAPI,
		png_default_write_data	,
		(png_structp png_ptr, png_bytep data, size_t length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [16/156]

PNG_INTERNAL_FUNCTION	(	void	PNGCBAPI,
		png_default_flush	,
		(png_structp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [17/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_reset_crc	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [18/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_data	,
		(png_structrp png_ptr, png_const_bytep data, size_t length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [19/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_read_sig	,
		(png_structrp png_ptr, png_inforp info_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [20/156]

PNG_INTERNAL_FUNCTION	(	png_uint_32	,
		png_read_chunk_header	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [21/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_read_data	,
		(png_structrp png_ptr, png_bytep data, size_t length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [22/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_crc_read	,
		(png_structrp png_ptr, png_bytep buf, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [23/156]

PNG_INTERNAL_FUNCTION	(	int	,
		png_crc_finish	,
		(png_structrp png_ptr, png_uint_32 skip)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [24/156]

PNG_INTERNAL_FUNCTION	(	int	,
		png_crc_error	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [25/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_calculate_crc	,
		(png_structrp png_ptr, png_const_bytep ptr, size_t length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [26/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_flush	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [27/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_IHDR	,
		(png_structrp png_ptr, png_uint_32 width, png_uint_32 height, int bit_depth, int color_type, int compression_method, int filter_method, int interlace_method)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [28/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_PLTE	,
		(png_structrp png_ptr, png_const_colorp palette, png_uint_32 num_pal)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [29/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_compress_IDAT	,
		(png_structrp png_ptr, png_const_bytep row_data, png_alloc_size_t row_data_length, int flush)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [30/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_IEND	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [31/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_gAMA_fixed	,
		(png_structrp png_ptr, png_fixed_point file_gamma)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [32/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_sBIT	,
		(png_structrp png_ptr, png_const_color_8p sbit, int color_type)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [33/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_cHRM_fixed	,
		(png_structrp png_ptr, const png_xy *xy)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [34/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_sRGB	,
		(png_structrp png_ptr, int intent)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [35/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_eXIf	,
		(png_structrp png_ptr, png_bytep exif, int num_exif)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [36/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_iCCP	,
		(png_structrp png_ptr, png_const_charp name, png_const_bytep profile)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [37/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_sPLT	,
		(png_structrp png_ptr, png_const_sPLT_tp palette)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [38/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_tRNS	,
		(png_structrp png_ptr, png_const_bytep trans, png_const_color_16p values, int number, int color_type)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [39/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_bKGD	,
		(png_structrp png_ptr, png_const_color_16p values, int color_type)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [40/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_hIST	,
		(png_structrp png_ptr, png_const_uint_16p hist, int num_hist)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [41/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_tEXt	,
		(png_structrp png_ptr, png_const_charp key, png_const_charp text, size_t text_len)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [42/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_zTXt	,
		(png_structrp png_ptr, png_const_charp key, png_const_charp text, int compression)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [43/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_iTXt	,
		(png_structrp png_ptr, int compression, png_const_charp key, png_const_charp lang, png_const_charp lang_key, png_const_charp text)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [44/156]

PNG_INTERNAL_FUNCTION	(	int	,
		png_set_text_2	,
		(png_const_structrp png_ptr, png_inforp info_ptr, png_const_textp text_ptr, int num_text)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [45/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_oFFs	,
		(png_structrp png_ptr, png_int_32 x_offset, png_int_32 y_offset, int unit_type)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [46/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_pCAL	,
		(png_structrp png_ptr, png_charp purpose, png_int_32 X0, png_int_32 X1, int type, int nparams, png_const_charp units, png_charpp params)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [47/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_pHYs	,
		(png_structrp png_ptr, png_uint_32 x_pixels_per_unit, png_uint_32 y_pixels_per_unit, int unit_type)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [48/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_tIME	,
		(png_structrp png_ptr, png_const_timep mod_time)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [49/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_sCAL_s	,
		(png_structrp png_ptr, int unit, png_const_charp width, png_const_charp height)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [50/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_finish_row	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [51/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_start_row	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [52/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_combine_row	,
		(png_const_structrp png_ptr, png_bytep row, int display)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [53/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_do_read_interlace	,
		(png_row_infop row_info, png_bytep row, int pass, png_uint_32 transformations)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [54/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_do_write_interlace	,
		(png_row_infop row_info, png_bytep row, int pass)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [55/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_read_filter_row	,
		(png_structrp pp, png_row_infop row_info, png_bytep row, png_const_bytep prev_row, int filter)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [56/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_write_find_filter	,
		(png_structrp png_ptr, png_row_infop row_info)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [57/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_read_IDAT_data	,
		(png_structrp png_ptr, png_bytep output, png_alloc_size_t avail_out)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [58/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_read_finish_IDAT	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [59/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_read_finish_row	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [60/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_read_start_row	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [61/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_read_transform_info	,
		(png_structrp png_ptr, png_inforp info_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [62/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_do_strip_channel	,
		(png_row_infop row_info, png_bytep row, int at_start)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [63/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_do_swap	,
		(png_row_infop row_info, png_bytep row)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [64/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_do_packswap	,
		(png_row_infop row_info, png_bytep row)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [65/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_do_invert	,
		(png_row_infop row_info, png_bytep row)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [66/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_do_bgr	,
		(png_row_infop row_info, png_bytep row)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [67/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_IHDR	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [68/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_PLTE	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [69/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_IEND	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [70/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_bKGD	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [71/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_cHRM	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [72/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_eXIf	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [73/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_gAMA	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [74/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_hIST	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [75/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_iCCP	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [76/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_iTXt	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [77/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_oFFs	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [78/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_pCAL	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [79/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_pHYs	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [80/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_sBIT	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [81/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_sCAL	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [82/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_sPLT	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [83/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_sRGB	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [84/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_tEXt	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [85/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_tIME	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [86/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_tRNS	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [87/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_zTXt	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [88/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_check_chunk_name	,
		(png_const_structrp png_ptr, png_uint_32 chunk_name)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [89/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_check_chunk_length	,
		(png_const_structrp png_ptr, png_uint_32 chunk_length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [90/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_handle_unknown	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length, int keep)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [91/156]

PNG_INTERNAL_FUNCTION	(	int	,
		png_chunk_unknown_handling	,
		(png_const_structrp png_ptr, png_uint_32 chunk_name)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [92/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_do_read_transformations	,
		(png_structrp png_ptr, png_row_infop row_info)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [93/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_do_write_transformations	,
		(png_structrp png_ptr, png_row_infop row_info)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [94/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_init_read_transformations	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [95/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_push_read_chunk	,
		(png_structrp png_ptr, png_inforp info_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [96/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_push_read_sig	,
		(png_structrp png_ptr, png_inforp info_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [97/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_push_check_crc	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [98/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_push_save_buffer	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [99/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_push_restore_buffer	,
		(png_structrp png_ptr, png_bytep buffer, size_t buffer_length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [100/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_push_read_IDAT	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [101/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_process_IDAT_data	,
		(png_structrp png_ptr, png_bytep buffer, size_t buffer_length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [102/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_push_process_row	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [103/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_push_handle_unknown	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [104/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_push_have_info	,
		(png_structrp png_ptr, png_inforp info_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [105/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_push_have_end	,
		(png_structrp png_ptr, png_inforp info_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [106/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_push_have_row	,
		(png_structrp png_ptr, png_bytep row)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [107/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_push_read_end	,
		(png_structrp png_ptr, png_inforp info_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [108/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_process_some_data	,
		(png_structrp png_ptr, png_inforp info_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [109/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_read_push_finish_row	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [110/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_push_handle_tEXt	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [111/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_push_read_tEXt	,
		(png_structrp png_ptr, png_inforp info_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [112/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_push_handle_zTXt	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [113/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_push_read_zTXt	,
		(png_structrp png_ptr, png_inforp info_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [114/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_push_handle_iTXt	,
		(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [115/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_push_read_iTXt	,
		(png_structrp png_ptr, png_inforp info_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [116/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_colorspace_set_gamma	,
		(png_const_structrp png_ptr, png_colorspacerp colorspace, png_fixed_point gAMA)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [117/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_colorspace_sync_info	,
		(png_const_structrp png_ptr, png_inforp info_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [118/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_colorspace_sync	,
		(png_const_structrp png_ptr, png_inforp info_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [119/156]

PNG_INTERNAL_FUNCTION	(	int	,
		png_colorspace_set_chromaticities	,
		(png_const_structrp png_ptr, png_colorspacerp colorspace, const png_xy *xy, int preferred)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [120/156]

PNG_INTERNAL_FUNCTION	(	int	,
		png_colorspace_set_endpoints	,
		(png_const_structrp png_ptr, png_colorspacerp colorspace, const png_XYZ *XYZ, int preferred)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [121/156]

PNG_INTERNAL_FUNCTION	(	int	,
		png_colorspace_set_sRGB	,
		(png_const_structrp png_ptr, png_colorspacerp colorspace, int intent)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [122/156]

PNG_INTERNAL_FUNCTION	(	int	,
		png_colorspace_set_ICC	,
		(png_const_structrp png_ptr, png_colorspacerp colorspace, png_const_charp name, png_uint_32 profile_length, png_const_bytep profile, int color_type)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [123/156]

PNG_INTERNAL_FUNCTION	(	int	,
		png_icc_check_length	,
		(png_const_structrp png_ptr, png_colorspacerp colorspace, png_const_charp name, png_uint_32 profile_length)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [124/156]

PNG_INTERNAL_FUNCTION	(	int	,
		png_icc_check_header	,
		(png_const_structrp png_ptr, png_colorspacerp colorspace, png_const_charp name, png_uint_32 profile_length, png_const_bytep profile, int color_type)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [125/156]

PNG_INTERNAL_FUNCTION	(	int	,
		png_icc_check_tag_table	,
		(png_const_structrp png_ptr, png_colorspacerp colorspace, png_const_charp name, png_uint_32 profile_length, png_const_bytep profile)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [126/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_icc_set_sRGB	,
		(png_const_structrp png_ptr, png_colorspacerp colorspace, png_const_bytep profile, uLong adler)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [127/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_colorspace_set_rgb_coefficients	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [128/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_check_IHDR	,
		(png_const_structrp png_ptr, png_uint_32 width, png_uint_32 height, int bit_depth, int color_type, int interlace_type, int compression_type, int filter_type)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [129/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_do_check_palette_indexes	,
		(png_structrp png_ptr, png_row_infop row_info)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [130/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_fixed_error	,
		(png_const_structrp png_ptr, png_const_charp name)	,
		PNG_NORETURN
	)

◆ PNG_INTERNAL_FUNCTION() [131/156]

PNG_INTERNAL_FUNCTION	(	size_t	,
		png_safecat	,
		(png_charp buffer, size_t bufsize, size_t pos, png_const_charp string)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [132/156]

PNG_INTERNAL_FUNCTION	(	png_charp	,
		png_format_number	,
		(png_const_charp start, png_charp end, int format, png_alloc_size_t number)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [133/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_warning_parameter	,
		(png_warning_parameters p, int number, png_const_charp string)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [134/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_warning_parameter_unsigned	,
		(png_warning_parameters p, int number, int format, png_alloc_size_t value)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [135/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_warning_parameter_signed	,
		(png_warning_parameters p, int number, int format, png_int_32 value)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [136/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_formatted_warning	,
		(png_const_structrp png_ptr, png_warning_parameters p, png_const_charp message)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [137/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_app_warning	,
		(png_const_structrp png_ptr, png_const_charp message)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [138/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_app_error	,
		(png_const_structrp png_ptr, png_const_charp message)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [139/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_chunk_report	,
		(png_const_structrp png_ptr, png_const_charp message, int error)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [140/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_ascii_from_fp	,
		(png_const_structrp png_ptr, png_charp ascii, size_t size, double fp, unsigned int precision)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [141/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_ascii_from_fixed	,
		(png_const_structrp png_ptr, png_charp ascii, size_t size, png_fixed_point fp)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [142/156]

PNG_INTERNAL_FUNCTION	(	int	,
		png_check_fp_number	,
		(png_const_charp string, size_t size, int *statep, png_size_tp whereami)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [143/156]

PNG_INTERNAL_FUNCTION	(	int	,
		png_check_fp_string	,
		(png_const_charp string, size_t size)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [144/156]

PNG_INTERNAL_FUNCTION	(	int	,
		png_muldiv	,
		(png_fixed_point_p res, png_fixed_point a, png_int_32 multiplied_by, png_int_32 divided_by)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [145/156]

PNG_INTERNAL_FUNCTION	(	png_fixed_point	,
		png_muldiv_warn	,
		(png_const_structrp png_ptr, png_fixed_point a, png_int_32 multiplied_by, png_int_32 divided_by)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [146/156]

PNG_INTERNAL_FUNCTION	(	png_fixed_point	,
		png_reciprocal	,
		(png_fixed_point a)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [147/156]

PNG_INTERNAL_FUNCTION	(	png_fixed_point	,
		png_reciprocal2	,
		(png_fixed_point a, png_fixed_point b)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [148/156]

PNG_INTERNAL_FUNCTION	(	int	,
		png_gamma_significant	,
		(png_fixed_point gamma_value)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [149/156]

PNG_INTERNAL_FUNCTION	(	png_uint_16	,
		png_gamma_correct	,
		(png_structrp png_ptr, unsigned int value, png_fixed_point gamma_value)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [150/156]

PNG_INTERNAL_FUNCTION	(	png_uint_16	,
		png_gamma_16bit_correct	,
		(unsigned int value, png_fixed_point gamma_value)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [151/156]

PNG_INTERNAL_FUNCTION	(	png_byte	,
		png_gamma_8bit_correct	,
		(unsigned int value, png_fixed_point gamma_value)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [152/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_destroy_gamma_table	,
		(png_structrp png_ptr)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [153/156]

PNG_INTERNAL_FUNCTION	(	void	,
		png_build_gamma_table	,
		(png_structrp png_ptr, int bit_depth)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_CALLBACK() [1/2]

PNG_INTERNAL_CALLBACK	(	void	,
		png_safe_error	,
		(png_structp png_ptr, png_const_charp error_message)	,
		PNG_NORETURN
	)

◆ PNG_INTERNAL_CALLBACK() [2/2]

PNG_INTERNAL_CALLBACK	(	void	,
		png_safe_warning	,
		(png_structp png_ptr, png_const_charp warning_message)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [154/156]

PNG_INTERNAL_FUNCTION	(	int	,
		png_safe_execute	,
		(png_imagep image, int(*function)(png_voidp), png_voidp arg)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [155/156]

PNG_INTERNAL_FUNCTION	(	int	,
		png_image_error	,
		(png_imagep image, png_const_charp error_message)	,
		PNG_EMPTY
	)

◆ PNG_INTERNAL_FUNCTION() [156/156]

PNG_INTERNAL_FUNCTION	(	png_uint_32	,
		png_check_keyword	,
		(png_structrp png_ptr, png_const_charp key, png_bytep new_key)	,
		PNG_EMPTY
	)

Variable Documentation

◆ png_const_uint_16pp

const typedef png_uint_16p* png_const_uint_16pp

Classes

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

◆ _POSIX_SOURCE

◆ PNGLIB_BUILD

◆ PNG_ARM_NEON_OPT

◆ PNG_MIPS_MSA_OPT

◆ PNG_POWERPC_VSX_OPT

◆ PNG_INTEL_SSE_OPT

◆ PNG_INTEL_SSE_IMPLEMENTATION

◆ PNG_IMPEXP

◆ PNG_DEPRECATED

◆ PNG_PRIVATE

◆ PNG_INTERNAL_DATA

◆ PNG_INTERNAL_FUNCTION

◆ PNG_INTERNAL_CALLBACK

◆ PNG_DLL_EXPORT

◆ PNG_RELEASE_BUILD

◆ PNG_UNUSED

◆ PNG_WARNING_PARAMETERS

◆ PNGFAPI

◆ png_voidcast

◆ png_constcast

◆ png_aligncast

◆ png_aligncastconst

◆ PNG_ABORT

◆ PNG_ALIGN_NONE

◆ PNG_ALIGN_ALWAYS

◆ PNG_ALIGN_OFFSET

◆ PNG_ALIGN_SIZE

◆ PNG_ALIGN_TYPE

◆ png_alignof

◆ png_isaligned

◆ PNG_HAVE_IDAT

◆ PNG_HAVE_IEND

◆ PNG_HAVE_CHUNK_HEADER

◆ PNG_WROTE_tIME

◆ PNG_WROTE_INFO_BEFORE_PLTE

◆ PNG_BACKGROUND_IS_GRAY

◆ PNG_HAVE_PNG_SIGNATURE

◆ PNG_HAVE_CHUNK_AFTER_IDAT

◆ PNG_IS_READ_STRUCT

◆ PNG_BGR

◆ PNG_INTERLACE

◆ PNG_PACK

◆ PNG_SHIFT

◆ PNG_SWAP_BYTES

◆ PNG_INVERT_MONO

◆ PNG_QUANTIZE

◆ PNG_COMPOSE

◆ PNG_BACKGROUND_EXPAND

◆ PNG_EXPAND_16

◆ PNG_16_TO_8

◆ PNG_RGBA

◆ PNG_EXPAND

◆ PNG_GAMMA

◆ PNG_GRAY_TO_RGB

◆ PNG_FILLER

◆ PNG_PACKSWAP

◆ PNG_SWAP_ALPHA

◆ PNG_STRIP_ALPHA

◆ PNG_INVERT_ALPHA

◆ PNG_USER_TRANSFORM

◆ PNG_RGB_TO_GRAY_ERR

◆ PNG_RGB_TO_GRAY_WARN

◆ PNG_RGB_TO_GRAY

◆ PNG_ENCODE_ALPHA

◆ PNG_ADD_ALPHA

◆ PNG_EXPAND_tRNS

◆ PNG_SCALE_16_TO_8

◆ PNG_STRUCT_PNG

◆ PNG_STRUCT_INFO

◆ PNG_FLAG_ZLIB_CUSTOM_STRATEGY

◆ PNG_FLAG_ZSTREAM_INITIALIZED

◆ PNG_FLAG_ZSTREAM_ENDED

◆ PNG_FLAG_ROW_INIT

◆ PNG_FLAG_FILLER_AFTER