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

Classes
struct	png_xy

struct	png_XYZ

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

#define	CVT_PTR(ptr) (ptr)

#define	CVT_PTR_NOCHECK(ptr) (ptr)

#define	PNG_16_TO_8 0x0400 /* Becomes 'chop' in 1.5.4 */

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

#define	PNG_ABORT() abort()

#define	PNG_ADD_ALPHA 0x1000000 /* Added to libpng-1.2.7 */

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

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

#define	PNG_ALIGN_OFFSET 2 /* use offsetof to determine alignment */

#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_BACKGROUND_EXPAND 0x0100

#define	PNG_BACKGROUND_IS_GRAY 0x800

#define	PNG_BGR 0x0001

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

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

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

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

#define	PNG_CHUNK_CRITICAL(c) (!PNG_CHUNK_ANCILLIARY(c))

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

#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_COLOR_DIST(c1, c2)

#define	PNG_COMPOSE 0x0080 /* Was PNG_BACKGROUND */

#define	PNG_COST_FACTOR (1<<(PNG_COST_SHIFT))

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

#define	PNG_DEPRECATED

#define	PNG_DLL_EXPORT

#define	PNG_ENCODE_ALPHA 0x800000 /* Added to libpng-1.5.4 */

#define	PNG_EXPAND 0x1000

#define	PNG_EXPAND_16 0x0200 /* Added to libpng 1.5.2 */

#define	PNG_EXPAND_tRNS 0x2000000 /* Added to libpng-1.2.9 */

#define	PNG_EXTERN extern

#define	PNG_FILLER 0x8000

#define	PNG_FLAG_ASSUME_sRGB 0x1000 /* Added to libpng-1.5.4 */

#define	PNG_FLAG_BENIGN_ERRORS_WARN 0x800000 /* Added to libpng-1.4.0 */

#define	PNG_FLAG_CRC_ANCILLARY_MASK

#define	PNG_FLAG_CRC_ANCILLARY_NOWARN 0x0200

#define	PNG_FLAG_CRC_ANCILLARY_USE 0x0100

#define	PNG_FLAG_CRC_CRITICAL_IGNORE 0x0800

#define	PNG_FLAG_CRC_CRITICAL_MASK

#define	PNG_FLAG_CRC_CRITICAL_USE 0x0400

#define	PNG_FLAG_CRC_MASK

#define	PNG_FLAG_DETECT_UNINITIALIZED 0x4000 /* Added to libpng-1.5.4 */

#define	PNG_FLAG_FILLER_AFTER 0x0080

#define	PNG_FLAG_KEEP_UNKNOWN_CHUNKS 0x8000

#define	PNG_FLAG_KEEP_UNSAFE_CHUNKS 0x10000

#define	PNG_FLAG_LIBRARY_MISMATCH 0x20000

#define	PNG_FLAG_MALLOC_NULL_MEM_OK 0x100000

#define	PNG_FLAG_OPTIMIZE_ALPHA 0x2000 /* Added to libpng-1.5.4 */

#define	PNG_FLAG_ROW_INIT 0x0040

#define	PNG_FLAG_STRIP_ERROR_NUMBERS 0x40000

#define	PNG_FLAG_STRIP_ERROR_TEXT 0x80000

#define	PNG_FLAG_ZLIB_CUSTOM_LEVEL 0x0002

#define	PNG_FLAG_ZLIB_CUSTOM_MEM_LEVEL 0x0004

#define	PNG_FLAG_ZLIB_CUSTOM_METHOD 0x0010

#define	PNG_FLAG_ZLIB_CUSTOM_STRATEGY 0x0001

#define	PNG_FLAG_ZLIB_CUSTOM_WINDOW_BITS 0x0008

#define	PNG_FLAG_ZLIB_FINISHED 0x0020

#define	PNG_FLAG_ZTXT_CUSTOM_LEVEL 0x2000000 /* to libpng-1.5.4 */

#define	PNG_FLAG_ZTXT_CUSTOM_MEM_LEVEL 0x4000000

#define	PNG_FLAG_ZTXT_CUSTOM_METHOD 0x10000000

#define	PNG_FLAG_ZTXT_CUSTOM_STRATEGY 0x1000000 /* 5 lines added */

#define	PNG_FLAG_ZTXT_CUSTOM_WINDOW_BITS 0x8000000

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

#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_SIGN 4 /* Saw +/- in current state */

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

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

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

#define	PNG_FP_Z_MASK (PNG_FP_SAW_DIGIT \| PNG_FP_NONZERO)

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

#define	PNG_GAMMA 0x2000

#define	PNG_GAMMA_MAC_INVERSE 65909

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

#define	PNG_GAMMA_sRGB_INVERSE 45455

#define	PNG_GRAY_TO_RGB 0x4000

#define	PNG_HAVE_cHRM 0x40

#define	PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */

#define	PNG_HAVE_CHUNK_HEADER 0x100

#define	PNG_HAVE_gAMA 0x20

#define	PNG_HAVE_IDAT 0x04

#define	PNG_HAVE_IEND 0x10

#define	PNG_HAVE_PNG_SIGNATURE 0x1000

#define	PNG_HAVE_sRGB 0x80

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

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

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

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

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

#define	PNG_IMPEXP

#define	PNG_INTERLACE 0x0002

#define	PNG_INVERT_ALPHA 0x80000

#define	PNG_INVERT_MONO 0x0020

#define	png_isaligned(ptr, type) ((((const char)ptr-(const char)0) & (png_alignof(type)-1)) == 0)

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

#define	png_memcmp memcmp /* SJT: added */

#define	png_memcpy memcpy

#define	png_memset memset

#define	PNG_NUMBER_BUFFER_SIZE 24

#define	PNG_NUMBER_FORMAT_02d 2

#define	PNG_NUMBER_FORMAT_02u 2

#define	PNG_NUMBER_FORMAT_02x 4

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

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

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

#define	PNG_NUMBER_FORMAT_x 3

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

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

#define	PNG_PACK 0x0004

#define	PNG_PACKSWAP 0x10000

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

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

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

#define	PNG_PRIVATE

#define	PNG_QUANTIZE 0x0040

#define	PNG_RESTRICT

#define	PNG_RGB_TO_GRAY 0x600000 /* two bits, RGB_TO_GRAY_ERR\|WARN */

#define	PNG_RGB_TO_GRAY_ERR 0x200000

#define	PNG_RGB_TO_GRAY_WARN 0x400000

#define	PNG_RGBA 0x0800

#define	PNG_ROWBYTES(pixel_bits, width)

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

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

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

#define	PNG_SCALE_16_TO_8 0x4000000 /* Added to libpng-1.5.4 */

#define	PNG_SHIFT 0x0008

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

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

#define	PNG_STATIC static

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

#define	PNG_STRING_FROM_CHUNK(s, c)

#define	PNG_STRIP_ALPHA 0x40000

#define	png_strlen strlen

#define	PNG_STRUCT_INFO 0x0002

#define	PNG_STRUCT_PNG 0x0001

#define	PNG_SWAP_ALPHA 0x20000

#define	PNG_SWAP_BYTES 0x0010

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

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

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

#define	PNG_UNUSED(param) (void)param;

#define	PNG_USE_COMPILE_TIME_MASKS 1

#define	PNG_USER_TRANSFORM 0x100000

#define	png_voidcast(type, value) (value)

#define	PNG_WARNING_PARAMETER_COUNT 8

#define	PNG_WARNING_PARAMETER_SIZE 32

#define	PNG_WARNING_PARAMETERS(p) png_warning_parameters p;

#define	PNG_WEIGHT_FACTOR (1<<(PNG_WEIGHT_SHIFT))

#define	PNG_WROTE_INFO_BEFORE_PLTE 0x400

#define	PNG_WROTE_tIME 0x200

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

#define	PNGFAPI PNGAPI

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

#define	ZLIB_IO_MAX ((uInt)-1)

Typedefs
typedef PNG_CONST png_uint_16p FAR *	png_const_uint_16pp

typedef char	png_warning_parameters [PNG_WARNING_PARAMETER_COUNT][PNG_WARNING_PARAMETER_SIZE]

typedef struct png_xy	png_xy

typedef struct png_XYZ	png_XYZ

Functions
PNG_EXTERN void	png_destroy_gamma_table (png_structp png_ptr)

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

PNG_EXTERN void	png_formatted_warning (png_structp png_ptr, png_warning_parameters p, png_const_charp message)

PNG_EXTERN	PNG_FUNCTION (png_voidp, png_create_struct, PNGARG((int type)), PNG_ALLOCATED)

PNG_EXTERN	PNG_FUNCTION (png_voidp, png_create_struct_2, PNGARG((int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr)), PNG_ALLOCATED)

PNG_EXTERN	PNG_FUNCTION (voidpf, png_zalloc, PNGARG((voidpf png_ptr, uInt items, uInt size)), PNG_ALLOCATED)

PNG_EXTERN	PNG_FUNCTION (void, png_fixed_error,(png_structp png_ptr, png_const_charp name), PNG_NORETURN)

PNG_EXTERN size_t	png_safecat (png_charp buffer, size_t bufsize, size_t pos, png_const_charp string)

PNG_EXTERN int	png_user_version_check (png_structp png_ptr, png_const_charp user_png_ver)

PNG_EXTERN void	png_warning_parameter (png_warning_parameters p, int number, png_const_charp string)

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

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

PNG_EXTERN png_fixed_point png_fixed	PNGARG ((png_structp png_ptr, double fp, png_const_charp text))

PNG_EXTERN void png_destroy_struct	PNGARG ((png_voidp struct_ptr))

PNG_EXTERN void png_destroy_struct_2	PNGARG ((png_voidp struct_ptr, png_free_ptr free_fn, png_voidp mem_ptr))

PNG_EXTERN void png_info_destroy	PNGARG ((png_structp png_ptr, png_infop info_ptr))

PNG_EXTERN void png_zfree	PNGARG ((voidpf png_ptr, voidpf ptr))

PNG_EXTERN void PNGCBAPI png_default_read_data	PNGARG ((png_structp png_ptr, png_bytep data, png_size_t length))

PNG_EXTERN void PNGCBAPI png_push_fill_buffer	PNGARG ((png_structp png_ptr, png_bytep buffer, png_size_t length))

PNG_EXTERN void PNGCBAPI png_default_flush	PNGARG ((png_structp png_ptr))

PNG_EXTERN void png_write_data	PNGARG ((png_structp png_ptr, png_const_bytep data, png_size_t length))

PNG_EXTERN void png_crc_read	PNGARG ((png_structp png_ptr, png_bytep buf, png_size_t length))

PNG_EXTERN void png_decompress_chunk	PNGARG ((png_structp png_ptr, int comp_type, png_size_t chunklength, png_size_t prefix_length, png_size_t *data_length))

PNG_EXTERN int png_crc_finish	PNGARG ((png_structp png_ptr, png_uint_32 skip))

PNG_EXTERN void png_calculate_crc	PNGARG ((png_structp png_ptr, png_const_bytep ptr, png_size_t length))

PNG_EXTERN void png_write_IHDR	PNGARG ((png_structp 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_EXTERN void png_write_PLTE	PNGARG ((png_structp png_ptr, png_const_colorp palette, png_uint_32 num_pal))

PNG_EXTERN void png_write_gAMA	PNGARG ((png_structp png_ptr, double file_gamma))

PNG_EXTERN void png_write_gAMA_fixed	PNGARG ((png_structp png_ptr, png_fixed_point file_gamma))

PNG_EXTERN void png_write_sBIT	PNGARG ((png_structp png_ptr, png_const_color_8p sbit, int color_type))

PNG_EXTERN void png_write_cHRM	PNGARG ((png_structp png_ptr, double white_x, double white_y, double red_x, double red_y, double green_x, double green_y, double blue_x, double blue_y))

PNG_EXTERN void png_write_cHRM_fixed	PNGARG ((png_structp png_ptr, png_fixed_point int_white_x, png_fixed_point int_white_y, png_fixed_point int_red_x, png_fixed_point int_red_y, png_fixed_pointint_green_x, png_fixed_point int_green_y, png_fixed_point int_blue_x, png_fixed_point int_blue_y))

PNG_EXTERN void png_write_sRGB	PNGARG ((png_structp png_ptr, int intent))

PNG_EXTERN void png_write_iCCP	PNGARG ((png_structp png_ptr, png_const_charp name, int compression_type, png_const_charp profile, int proflen))

PNG_EXTERN void png_write_sPLT	PNGARG ((png_structp png_ptr, png_const_sPLT_tp palette))

PNG_EXTERN void png_write_tRNS	PNGARG ((png_structp png_ptr, png_const_bytep trans, png_const_color_16p values, int number, int color_type))

PNG_EXTERN void png_write_bKGD	PNGARG ((png_structp png_ptr, png_const_color_16p values, int color_type))

PNG_EXTERN void png_write_hIST	PNGARG ((png_structp png_ptr, png_const_uint_16p hist, int num_hist))

PNG_EXTERN png_size_t png_check_keyword	PNGARG ((png_structp png_ptr, png_const_charp key, png_charpp new_key))

PNG_EXTERN void png_write_tEXt	PNGARG ((png_structp png_ptr, png_const_charp key, png_const_charp text, png_size_t text_len))

PNG_EXTERN void png_write_zTXt	PNGARG ((png_structp png_ptr, png_const_charp key, png_const_charp text, png_size_t text_len, int compression))

PNG_EXTERN void png_write_iTXt	PNGARG ((png_structp png_ptr, int compression, png_const_charp key, png_const_charp lang, png_const_charp lang_key, png_const_charp text))

PNG_EXTERN int png_set_text_2	PNGARG ((png_structp png_ptr, png_infop info_ptr, png_const_textp text_ptr, int num_text))

PNG_EXTERN void png_write_oFFs	PNGARG ((png_structp png_ptr, png_int_32 x_offset, png_int_32 y_offset, int unit_type))

PNG_EXTERN void png_write_pCAL	PNGARG ((png_structp 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_EXTERN void png_write_pHYs	PNGARG ((png_structp png_ptr, png_uint_32 x_pixels_per_unit, png_uint_32 y_pixels_per_unit, int unit_type))

PNG_EXTERN void png_write_tIME	PNGARG ((png_structp png_ptr, png_const_timep mod_time))

PNG_EXTERN void png_write_sCAL_s	PNGARG ((png_structp png_ptr, int unit, png_const_charp width, png_const_charp height))

PNG_EXTERN void png_combine_row	PNGARG ((png_structp png_ptr, png_bytep row, int display))

PNG_EXTERN void png_do_read_interlace	PNGARG ((png_row_infop row_info, png_bytep row, int pass, png_uint_32 transformations))

PNG_EXTERN void png_do_write_interlace	PNGARG ((png_row_infop row_info, png_bytep row, int pass))

PNG_EXTERN void png_read_filter_row	PNGARG ((png_structp pp, png_row_infop row_info, png_bytep row, png_const_bytep prev_row, int filter))

PNG_EXTERN void png_read_filter_row_up_neon	PNGARG ((png_row_infop row_info, png_bytep row, png_const_bytep prev_row))

PNG_EXTERN void png_write_find_filter	PNGARG ((png_structp png_ptr, png_row_infop row_info))

PNG_EXTERN void png_do_read_filler	PNGARG ((png_row_infop row_info, png_bytep row, png_uint_32 filler, png_uint_32 flags))

PNG_EXTERN void png_do_read_swap_alpha	PNGARG ((png_row_infop row_info, png_bytep row))

PNG_EXTERN void png_do_strip_channel	PNGARG ((png_row_infop row_info, png_bytep row, int at_start))

PNG_EXTERN int png_do_rgb_to_gray	PNGARG ((png_structp png_ptr, png_row_infop row_info, png_bytep row))

PNG_EXTERN void png_do_unshift	PNGARG ((png_row_infop row_info, png_bytep row, png_const_color_8p sig_bits))

PNG_EXTERN void png_do_quantize	PNGARG ((png_row_infop row_info, png_bytep row, png_const_bytep palette_lookup, png_const_bytep quantize_lookup))

PNG_EXTERN void png_do_pack	PNGARG ((png_row_infop row_info, png_bytep row, png_uint_32 bit_depth))

PNG_EXTERN void png_do_shift	PNGARG ((png_row_infop row_info, png_bytep row, png_const_color_8p bit_depth))

PNG_EXTERN void png_do_compose	PNGARG ((png_row_infop row_info, png_bytep row, png_structp png_ptr))

PNG_EXTERN void png_do_expand_palette	PNGARG ((png_row_infop row_info, png_bytep row, png_const_colorp palette, png_const_bytep trans, int num_trans))

PNG_EXTERN void png_do_expand	PNGARG ((png_row_infop row_info, png_bytep row, png_const_color_16p trans_color))

PNG_EXTERN void png_handle_IHDR	PNGARG ((png_structp png_ptr, png_infop info_ptr, png_uint_32 length))

PNG_EXTERN void png_check_chunk_name	PNGARG ((png_structp png_ptr, png_uint_32 chunk_name))

PNG_EXTERN void png_push_crc_skip	PNGARG ((png_structp png_ptr, png_uint_32 length))

PNG_EXTERN void png_push_restore_buffer	PNGARG ((png_structp png_ptr, png_bytep buffer, png_size_t buffer_length))

PNG_EXTERN void png_push_have_row	PNGARG ((png_structp png_ptr, png_bytep row))

PNG_EXTERN void png_64bit_product	PNGARG ((long v1, long v2, unsigned long hi_product, unsigned long lo_product))

PNG_EXTERN int png_xy_from_XYZ	PNGARG ((png_xy *xy, png_XYZ XYZ))

PNG_EXTERN int png_XYZ_from_xy	PNGARG ((png_XYZ *XYZ, png_xy xy))

PNG_EXTERN int png_XYZ_from_xy_checked	PNGARG ((png_structp png_ptr, png_XYZ *XYZ, png_xy xy))

PNG_EXTERN void png_check_IHDR	PNGARG ((png_structp 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_EXTERN void png_read_destroy	PNGARG ((png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr))

PNG_EXTERN void png_ascii_from_fp	PNGARG ((png_structp png_ptr, png_charp ascii, png_size_t size, double fp, unsigned int precision))

PNG_EXTERN void png_ascii_from_fixed	PNGARG ((png_structp png_ptr, png_charp ascii, png_size_t size, png_fixed_point fp))

PNG_EXTERN int png_check_fp_number	PNGARG ((png_const_charp string, png_size_t size, int *statep, png_size_tp whereami))

PNG_EXTERN int png_check_fp_string	PNGARG ((png_const_charp string, png_size_t size))

PNG_EXTERN int png_muldiv	PNGARG ((png_fixed_point_p res, png_fixed_point a, png_int_32 multiplied_by, png_int_32 divided_by))

PNG_EXTERN png_fixed_point png_muldiv_warn	PNGARG ((png_structp png_ptr, png_fixed_point a, png_int_32 multiplied_by, png_int_32 divided_by))

PNG_EXTERN png_fixed_point png_reciprocal	PNGARG ((png_fixed_point a))

PNG_EXTERN png_fixed_point png_reciprocal2	PNGARG ((png_fixed_point a, png_fixed_point b))

PNG_EXTERN png_uint_16 png_gamma_correct	PNGARG ((png_structp png_ptr, unsigned int value, png_fixed_point gamma_value))

PNG_EXTERN int png_gamma_significant	PNGARG ((png_fixed_point gamma_value))

PNG_EXTERN png_uint_16 png_gamma_16bit_correct	PNGARG ((unsigned int value, png_fixed_point gamma_value))

PNG_EXTERN void png_build_gamma_table	PNGARG ((png_structp png_ptr, int bit_depth))

Macro Definition Documentation

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

Definition at line 40 of file pngpriv.h.

#define CVT_PTR ( ptr ) (ptr)

Definition at line 349 of file pngpriv.h.

Referenced by png_default_flush().

#define CVT_PTR_NOCHECK ( ptr ) (ptr)

Definition at line 350 of file pngpriv.h.

#define PNG_16_TO_8 0x0400 /* Becomes 'chop' in 1.5.4 */

Definition at line 441 of file pngpriv.h.

Referenced by png_build_gamma_table(), png_do_read_transformations(), png_init_read_transformations(), png_read_transform_info(), and png_set_strip_16().

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

Definition at line 597 of file pngpriv.h.

#define PNG_ABORT ( ) abort()

Definition at line 326 of file pngpriv.h.

Referenced by PNG_FUNCTION().

#define PNG_ADD_ALPHA 0x1000000 /* Added to libpng-1.2.7 */

Definition at line 456 of file pngpriv.h.

Referenced by png_read_transform_info(), and png_set_add_alpha().

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

Definition at line 360 of file pngpriv.h.

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

Definition at line 359 of file pngpriv.h.

#define PNG_ALIGN_OFFSET 2 /* use offsetof to determine alignment */

Definition at line 362 of file pngpriv.h.

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

Definition at line 366 of file pngpriv.h.

#define PNG_ALIGN_TYPE PNG_ALIGN_SIZE

Definition at line 373 of file pngpriv.h.

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

Definition at line 383 of file pngpriv.h.

#define PNG_BACKGROUND_EXPAND 0x0100

Definition at line 439 of file pngpriv.h.

Referenced by png_init_palette_transformations(), png_init_read_transformations(), png_init_rgb_transformations(), png_set_alpha_mode_fixed(), and png_set_background_fixed().

#define PNG_BACKGROUND_IS_GRAY 0x800

Definition at line 426 of file pngpriv.h.

Referenced by png_do_read_transformations(), and png_init_read_transformations().

#define PNG_BGR 0x0001

Definition at line 431 of file pngpriv.h.

Referenced by png_do_read_transformations(), png_do_write_transformations(), png_read_row(), png_set_bgr(), and png_write_row().

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

Definition at line 605 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_bKGD().

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

Definition at line 606 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_cHRM_fixed().

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

Definition at line 598 of file pngpriv.h.

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

Definition at line 643 of file pngpriv.h.

Referenced by png_calculate_crc(), png_crc_error(), and png_crc_finish().

#define PNG_CHUNK_CRITICAL ( c ) (!PNG_CHUNK_ANCILLIARY(c))

Definition at line 644 of file pngpriv.h.

Referenced by png_handle_unknown(), and png_push_handle_unknown().

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

Definition at line 627 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_push_read_IDAT(), png_read_chunk_header(), png_write_chunk(), and png_write_chunk_start().

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

Definition at line 645 of file pngpriv.h.

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

Definition at line 646 of file pngpriv.h.

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

Definition at line 647 of file pngpriv.h.

#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)))

Definition at line 527 of file pngpriv.h.

Referenced by png_set_quantize().

#define PNG_COMPOSE 0x0080 /* Was PNG_BACKGROUND */

Definition at line 438 of file pngpriv.h.

Referenced by png_build_gamma_table(), png_do_read_transformations(), png_init_palette_transformations(), png_init_read_transformations(), png_init_rgb_transformations(), png_read_transform_info(), png_set_alpha_mode_fixed(), and png_set_background_fixed().

#define PNG_COST_FACTOR (1<<(PNG_COST_SHIFT))

Definition at line 469 of file pngpriv.h.

Referenced by png_init_filter_heuristics(), png_set_filter_heuristics(), and png_set_filter_heuristics_fixed().

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

Definition at line 639 of file pngpriv.h.

Referenced by png_chunk_unknown_handling(), png_get_io_chunk_name(), png_handle_unknown(), png_push_handle_unknown(), and png_write_chunk_header().

#define PNG_DEPRECATED

Definition at line 121 of file pngpriv.h.

#define PNG_DLL_EXPORT

Definition at line 133 of file pngpriv.h.

#define PNG_ENCODE_ALPHA 0x800000 /* Added to libpng-1.5.4 */

Definition at line 455 of file pngpriv.h.

Referenced by png_do_read_transformations(), png_init_palette_transformations(), png_init_read_transformations(), png_init_rgb_transformations(), png_set_alpha_mode_fixed(), and png_set_background_fixed().

#define PNG_EXPAND 0x1000

Definition at line 443 of file pngpriv.h.

Referenced by png_do_read_transformations(), png_init_palette_transformations(), png_init_read_transformations(), png_init_rgb_transformations(), png_read_start_row(), png_read_transform_info(), png_set_expand(), png_set_expand_16(), png_set_expand_gray_1_2_4_to_8(), png_set_palette_to_rgb(), png_set_rgb_to_gray_fixed(), and png_set_tRNS_to_alpha().

#define PNG_EXPAND_16 0x0200 /* Added to libpng 1.5.2 */

Definition at line 440 of file pngpriv.h.

Referenced by png_do_read_transformations(), png_init_read_transformations(), png_read_start_row(), png_read_transform_info(), and png_set_expand_16().

#define PNG_EXPAND_tRNS 0x2000000 /* Added to libpng-1.2.9 */

Definition at line 457 of file pngpriv.h.

Referenced by png_do_read_transformations(), png_init_palette_transformations(), png_init_read_transformations(), png_init_rgb_transformations(), png_read_transform_info(), png_set_expand(), png_set_expand_16(), png_set_palette_to_rgb(), and png_set_tRNS_to_alpha().

#define PNG_EXTERN extern

Definition at line 258 of file pngpriv.h.

#define PNG_FILLER 0x8000

Definition at line 446 of file pngpriv.h.

Referenced by png_do_read_transformations(), png_do_write_transformations(), png_read_row(), png_read_start_row(), png_read_transform_info(), png_set_filler(), and png_write_row().

#define PNG_FLAG_ASSUME_sRGB 0x1000 /* Added to libpng-1.5.4 */

Definition at line 484 of file pngpriv.h.

Referenced by translate_gamma_flags().

#define PNG_FLAG_BENIGN_ERRORS_WARN 0x800000 /* Added to libpng-1.4.0 */

Definition at line 495 of file pngpriv.h.

Referenced by png_benign_error(), png_chunk_benign_error(), and png_set_benign_errors().

#define PNG_FLAG_CRC_ANCILLARY_MASK

Value:

(PNG_FLAG_CRC_ANCILLARY_USE | \

PNG_FLAG_CRC_ANCILLARY_NOWARN)

PNG_FLAG_CRC_ANCILLARY_USE

#define PNG_FLAG_CRC_ANCILLARY_USE

Definition: pngpriv.h:480

PNG_FLAG_CRC_ANCILLARY_NOWARN

#define PNG_FLAG_CRC_ANCILLARY_NOWARN

Definition: pngpriv.h:481

Definition at line 504 of file pngpriv.h.

Referenced by png_calculate_crc(), png_crc_error(), and png_set_crc_action().

#define PNG_FLAG_CRC_ANCILLARY_NOWARN 0x0200

Definition at line 481 of file pngpriv.h.

Referenced by png_calculate_crc(), png_crc_error(), png_crc_finish(), png_handle_PLTE(), and png_set_crc_action().

#define PNG_FLAG_CRC_ANCILLARY_USE 0x0100

Definition at line 480 of file pngpriv.h.

Referenced by png_calculate_crc(), png_crc_error(), png_handle_PLTE(), and png_set_crc_action().

#define PNG_FLAG_CRC_CRITICAL_IGNORE 0x0800

Definition at line 483 of file pngpriv.h.

Referenced by png_calculate_crc(), png_crc_error(), and png_set_crc_action().

#define PNG_FLAG_CRC_CRITICAL_MASK

Value:

(PNG_FLAG_CRC_CRITICAL_USE | \

PNG_FLAG_CRC_CRITICAL_IGNORE)

PNG_FLAG_CRC_CRITICAL_IGNORE

#define PNG_FLAG_CRC_CRITICAL_IGNORE

Definition: pngpriv.h:483

PNG_FLAG_CRC_CRITICAL_USE

#define PNG_FLAG_CRC_CRITICAL_USE

Definition: pngpriv.h:482

Definition at line 507 of file pngpriv.h.

Referenced by png_set_crc_action().

#define PNG_FLAG_CRC_CRITICAL_USE 0x0400

Definition at line 482 of file pngpriv.h.

Referenced by png_crc_finish(), and png_set_crc_action().

#define PNG_FLAG_CRC_MASK

Value:

(PNG_FLAG_CRC_ANCILLARY_MASK | \

PNG_FLAG_CRC_CRITICAL_MASK)

PNG_FLAG_CRC_ANCILLARY_MASK

#define PNG_FLAG_CRC_ANCILLARY_MASK

Definition: pngpriv.h:504

PNG_FLAG_CRC_CRITICAL_MASK

#define PNG_FLAG_CRC_CRITICAL_MASK

Definition: pngpriv.h:507

Definition at line 510 of file pngpriv.h.

#define PNG_FLAG_DETECT_UNINITIALIZED 0x4000 /* Added to libpng-1.5.4 */

Definition at line 486 of file pngpriv.h.

Referenced by png_do_read_transformations(), png_set_alpha_mode_fixed(), and png_set_expand_16().

#define PNG_FLAG_FILLER_AFTER 0x0080

Definition at line 479 of file pngpriv.h.

Referenced by png_do_read_filler(), png_do_write_transformations(), and png_set_filler().

#define PNG_FLAG_KEEP_UNKNOWN_CHUNKS 0x8000

Definition at line 487 of file pngpriv.h.

Referenced by png_handle_unknown(), png_push_handle_unknown(), and png_set_keep_unknown_chunks().

#define PNG_FLAG_KEEP_UNSAFE_CHUNKS 0x10000

Definition at line 488 of file pngpriv.h.

Referenced by png_set_keep_unknown_chunks(), png_write_end(), png_write_info(), and png_write_info_before_PLTE().

#define PNG_FLAG_LIBRARY_MISMATCH 0x20000

Definition at line 489 of file pngpriv.h.

Referenced by png_user_version_check().

#define PNG_FLAG_MALLOC_NULL_MEM_OK 0x100000

Definition at line 492 of file pngpriv.h.

Referenced by PNG_FUNCTION().

#define PNG_FLAG_OPTIMIZE_ALPHA 0x2000 /* Added to libpng-1.5.4 */

Definition at line 485 of file pngpriv.h.

Referenced by png_do_compose(), png_init_palette_transformations(), png_init_read_transformations(), png_init_rgb_transformations(), png_set_alpha_mode_fixed(), and png_set_background_fixed().

#define PNG_FLAG_ROW_INIT 0x0040

Definition at line 478 of file pngpriv.h.

Referenced by png_do_read_transformations(), png_read_image(), png_read_row(), png_read_start_row(), png_set_expand(), png_set_expand_16(), png_set_expand_gray_1_2_4_to_8(), png_set_gray_to_rgb(), png_set_palette_to_rgb(), and png_set_tRNS_to_alpha().

#define PNG_FLAG_STRIP_ERROR_NUMBERS 0x40000

Definition at line 490 of file pngpriv.h.

Referenced by PNG_FUNCTION(), and png_warning().

#define PNG_FLAG_STRIP_ERROR_TEXT 0x80000

Definition at line 491 of file pngpriv.h.

Referenced by PNG_FUNCTION(), and png_warning().

#define PNG_FLAG_ZLIB_CUSTOM_LEVEL 0x0002

Definition at line 473 of file pngpriv.h.

Referenced by png_set_compression_level(), and png_write_IHDR().

#define PNG_FLAG_ZLIB_CUSTOM_MEM_LEVEL 0x0004

Definition at line 474 of file pngpriv.h.

Referenced by png_set_compression_mem_level(), and png_write_IHDR().

#define PNG_FLAG_ZLIB_CUSTOM_METHOD 0x0010

Definition at line 476 of file pngpriv.h.

Referenced by png_set_compression_method(), and png_write_IHDR().

#define PNG_FLAG_ZLIB_CUSTOM_STRATEGY 0x0001

Definition at line 472 of file pngpriv.h.

Referenced by png_set_compression_strategy(), and png_write_IHDR().

#define PNG_FLAG_ZLIB_CUSTOM_WINDOW_BITS 0x0008

Definition at line 475 of file pngpriv.h.

Referenced by png_set_compression_window_bits(), and png_write_IHDR().

#define PNG_FLAG_ZLIB_FINISHED 0x0020

Definition at line 477 of file pngpriv.h.

Referenced by png_process_IDAT_data(), png_push_read_IDAT(), png_read_finish_row(), and png_read_row().

#define PNG_FLAG_ZTXT_CUSTOM_LEVEL 0x2000000 /* to libpng-1.5.4 */

Definition at line 497 of file pngpriv.h.

Referenced by png_set_text_compression_level(), and png_write_IHDR().

#define PNG_FLAG_ZTXT_CUSTOM_MEM_LEVEL 0x4000000

Definition at line 498 of file pngpriv.h.

Referenced by png_set_text_compression_mem_level(), and png_write_IHDR().

#define PNG_FLAG_ZTXT_CUSTOM_METHOD 0x10000000

Definition at line 500 of file pngpriv.h.

Referenced by png_set_text_compression_method(), and png_write_IHDR().

#define PNG_FLAG_ZTXT_CUSTOM_STRATEGY 0x1000000 /* 5 lines added */

Definition at line 496 of file pngpriv.h.

Referenced by png_set_text_compression_strategy(), and png_write_IHDR().

#define PNG_FLAG_ZTXT_CUSTOM_WINDOW_BITS 0x8000000

Definition at line 499 of file pngpriv.h.

Referenced by png_set_text_compression_window_bits(), and png_write_IHDR().

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

Definition at line 557 of file pngpriv.h.

Referenced by png_get_cHRM(), png_get_cHRM_XYZ(), and png_get_gAMA().

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

Definition at line 1395 of file pngpriv.h.

Referenced by png_warning_parameter_signed(), and png_warning_parameter_unsigned().

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

Definition at line 1500 of file pngpriv.h.

Referenced by png_check_fp_number().

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

Definition at line 1499 of file pngpriv.h.

Referenced by png_check_fp_number().

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

Definition at line 1498 of file pngpriv.h.

Referenced by png_check_fp_number().

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

Definition at line 1518 of file pngpriv.h.

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

Definition at line 1538 of file pngpriv.h.

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

Definition at line 1537 of file pngpriv.h.

Referenced by png_handle_sCAL().

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

Definition at line 1536 of file pngpriv.h.

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

Definition at line 1523 of file pngpriv.h.

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

Definition at line 1511 of file pngpriv.h.

Referenced by png_check_fp_number().

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

Definition at line 1512 of file pngpriv.h.

Referenced by png_check_fp_number().

#define PNG_FP_NZ_MASK (PNG_FP_SAW_DIGIT | PNG_FP_NEGATIVE | PNG_FP_NONZERO)

Definition at line 1531 of file pngpriv.h.

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

Definition at line 1524 of file pngpriv.h.

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

Definition at line 1506 of file pngpriv.h.

Referenced by png_check_fp_number().

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

Definition at line 1503 of file pngpriv.h.

Referenced by png_check_fp_number().

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

Definition at line 1504 of file pngpriv.h.

Referenced by png_check_fp_number().

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

Definition at line 1505 of file pngpriv.h.

Referenced by png_check_fp_number().

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

Definition at line 1502 of file pngpriv.h.

Referenced by png_check_fp_number().

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

Definition at line 1501 of file pngpriv.h.

Referenced by png_check_fp_number().

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

Definition at line 1513 of file pngpriv.h.

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

Definition at line 1510 of file pngpriv.h.

Referenced by png_check_fp_number().

#define PNG_FP_Z_MASK (PNG_FP_SAW_DIGIT | PNG_FP_NONZERO)

Definition at line 1533 of file pngpriv.h.

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

Definition at line 607 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_gAMA_fixed().

#define PNG_GAMMA 0x2000

Definition at line 444 of file pngpriv.h.

Referenced by png_do_read_transformations(), and png_init_read_transformations().

#define PNG_GAMMA_MAC_INVERSE 65909

Definition at line 651 of file pngpriv.h.

Referenced by translate_gamma_flags().

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

Definition at line 650 of file pngpriv.h.

Referenced by translate_gamma_flags().

#define PNG_GAMMA_sRGB_INVERSE 45455

Definition at line 652 of file pngpriv.h.

Referenced by png_set_sRGB_gAMA_and_cHRM(), and translate_gamma_flags().

#define PNG_GRAY_TO_RGB 0x4000

Definition at line 445 of file pngpriv.h.

Referenced by png_do_read_transformations(), png_init_read_transformations(), png_read_start_row(), png_read_transform_info(), and png_set_gray_to_rgb().

#define PNG_HAVE_cHRM 0x40

Definition at line 421 of file pngpriv.h.

#define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */

Definition at line 428 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), and png_read_info().

#define PNG_HAVE_CHUNK_HEADER 0x100

Definition at line 423 of file pngpriv.h.

Referenced by png_push_read_chunk(), and png_push_read_IDAT().

#define PNG_HAVE_gAMA 0x20

Definition at line 420 of file pngpriv.h.

#define PNG_HAVE_IDAT 0x04

#define PNG_HAVE_IEND 0x10

Definition at line 419 of file pngpriv.h.

Referenced by png_handle_IEND(), png_push_handle_iTXt(), png_push_handle_tEXt(), png_push_handle_zTXt(), png_read_end(), and png_write_IEND().

#define PNG_HAVE_PNG_SIGNATURE 0x1000

Definition at line 427 of file pngpriv.h.

Referenced by png_check_IHDR(), png_read_sig(), png_write_IHDR(), png_write_info_before_PLTE(), and png_write_sig().

#define PNG_HAVE_sRGB 0x80

Definition at line 422 of file pngpriv.h.

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

Definition at line 608 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_hIST().

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

Definition at line 609 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_iCCP().

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

Definition at line 602 of file pngpriv.h.

Referenced by png_handle_unknown(), png_push_read_chunk(), png_push_read_IDAT(), png_read_end(), png_read_finish_row(), png_read_info(), png_read_row(), and png_write_IDAT().

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

Definition at line 603 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_IEND().

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

Definition at line 601 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_IHDR().

#define PNG_IMPEXP

Definition at line 115 of file pngpriv.h.

#define PNG_INTERLACE 0x0002

Definition at line 432 of file pngpriv.h.

Referenced by png_combine_row(), png_push_process_row(), png_read_finish_row(), png_read_image(), png_read_push_finish_row(), png_read_row(), png_read_start_row(), png_set_interlace_handling(), png_write_finish_row(), png_write_row(), and png_write_start_row().

#define PNG_INVERT_ALPHA 0x80000

Definition at line 450 of file pngpriv.h.

Referenced by png_do_read_transformations(), png_do_write_transformations(), png_init_palette_transformations(), png_set_invert_alpha(), and png_write_info().

#define PNG_INVERT_MONO 0x0020

Definition at line 436 of file pngpriv.h.

Referenced by png_do_read_transformations(), png_do_write_transformations(), png_read_row(), png_set_invert_mono(), and png_write_row().

#define png_isaligned	(	ptr,
		type
	)	((((const char)ptr-(const char)0) & (png_alignof(type)-1)) == 0)

Definition at line 397 of file pngpriv.h.

Referenced by png_combine_row().

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

Definition at line 610 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_iTXt().

#define png_memcmp memcmp /* SJT: added */

Definition at line 352 of file pngpriv.h.

Referenced by png_handle_as_unknown(), and png_sig_cmp().

#define png_memset memset

Definition at line 354 of file pngpriv.h.

Referenced by PNG_FUNCTION(), png_info_init_3(), png_read_destroy(), png_read_finish_row(), png_read_push_finish_row(), png_read_start_row(), png_set_alpha_mode_fixed(), png_set_pCAL(), png_set_quantize(), png_write_destroy(), and png_write_finish_row().

#define PNG_NUMBER_BUFFER_SIZE 24

Definition at line 1399 of file pngpriv.h.

Referenced by png_warning_parameter_signed(), and png_warning_parameter_unsigned().

#define PNG_NUMBER_FORMAT_02d 2

Definition at line 1407 of file pngpriv.h.

#define PNG_NUMBER_FORMAT_02u 2

Definition at line 1405 of file pngpriv.h.

Referenced by png_convert_to_rfc1123(), and png_format_number().

#define PNG_NUMBER_FORMAT_02x 4

Definition at line 1409 of file pngpriv.h.

Referenced by png_check_keyword(), and png_format_number().

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

Definition at line 1406 of file pngpriv.h.

Referenced by png_decompress_chunk(), png_text_compress(), and png_zlib_release().

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

Definition at line 1410 of file pngpriv.h.

Referenced by png_format_number(), png_handle_cHRM(), png_handle_gAMA(), and png_handle_sRGB().

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

Definition at line 1404 of file pngpriv.h.

Referenced by if(), png_convert_to_rfc1123(), and png_format_number().

#define PNG_NUMBER_FORMAT_x 3

Definition at line 1408 of file pngpriv.h.

Referenced by png_format_number().

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

Definition at line 611 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_oFFs().

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

Definition at line 542 of file pngpriv.h.

Referenced by png_handle_cHRM(), png_handle_gAMA(), and png_handle_sRGB().

#define PNG_PACK 0x0004

Definition at line 433 of file pngpriv.h.

Referenced by png_do_read_transformations(), png_do_write_transformations(), png_read_row(), png_read_start_row(), png_read_transform_info(), png_set_packing(), and png_write_row().

#define PNG_PACKSWAP 0x10000

Definition at line 447 of file pngpriv.h.

Referenced by png_combine_row(), png_do_read_interlace(), png_do_read_transformations(), png_do_write_transformations(), png_read_row(), png_set_packswap(), and png_write_row().

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

Definition at line 612 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_pCAL().

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

Definition at line 614 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_pHYs().

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

Definition at line 604 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_PLTE().

#define PNG_PRIVATE

Definition at line 124 of file pngpriv.h.

#define PNG_QUANTIZE 0x0040

Definition at line 437 of file pngpriv.h.

Referenced by png_do_read_transformations(), png_read_transform_info(), and png_set_quantize().

#define PNG_RESTRICT

Definition at line 212 of file pngpriv.h.

#define PNG_RGB_TO_GRAY 0x600000 /* two bits, RGB_TO_GRAY_ERR|WARN */

Definition at line 454 of file pngpriv.h.

Referenced by png_build_gamma_table(), png_do_read_transformations(), png_init_read_transformations(), png_read_transform_info(), and png_set_rgb_to_gray_fixed().

#define PNG_RGB_TO_GRAY_ERR 0x200000

Definition at line 452 of file pngpriv.h.

Referenced by png_do_read_transformations(), and png_set_rgb_to_gray_fixed().

#define PNG_RGB_TO_GRAY_WARN 0x400000

Definition at line 453 of file pngpriv.h.

Referenced by png_do_read_transformations(), and png_set_rgb_to_gray_fixed().

#define PNG_RGBA 0x0800

Definition at line 442 of file pngpriv.h.

#define PNG_ROWBYTES	(	pixel_bits,
		width
	)

Value:

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

Definition at line 532 of file pngpriv.h.

Referenced by png_combine_row(), png_do_expand(), png_do_gray_to_rgb(), png_do_pack(), png_do_quantize(), png_do_read_interlace(), png_do_read_transformations(), png_do_rgb_to_gray(), png_do_write_interlace(), png_handle_IHDR(), png_process_IDAT_data(), png_push_process_row(), png_push_read_chunk(), png_read_row(), png_read_start_row(), png_read_transform_info(), png_set_IHDR(), png_write_finish_row(), png_write_IHDR(), png_write_row(), and png_write_start_row().

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

Definition at line 615 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_sBIT().

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

Definition at line 613 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_sCAL_s().

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

Definition at line 1454 of file pngpriv.h.

Referenced by png_set_sCAL(), and png_set_sCAL_fixed().

#define PNG_SCALE_16_TO_8 0x4000000 /* Added to libpng-1.5.4 */

Definition at line 458 of file pngpriv.h.

Referenced by png_build_gamma_table(), png_do_read_transformations(), png_init_read_transformations(), png_read_transform_info(), and png_set_scale_16().

#define PNG_SHIFT 0x0008

Definition at line 434 of file pngpriv.h.

Referenced by png_do_read_transformations(), png_do_write_transformations(), png_init_read_transformations(), png_read_row(), png_set_shift(), and png_write_row().

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

Definition at line 616 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_sPLT().

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

Definition at line 617 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_sRGB().

#define PNG_STATIC static

Definition at line 196 of file pngpriv.h.

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

Definition at line 618 of file pngpriv.h.

Referenced by test_one_file().

#define PNG_STRING_FROM_CHUNK	(	s,
		c
	)

Value:

(void)(((char*)(s))[0]=(char)((c)>>24), ((char*)(s))[1]=(char)((c)>>16),\

((char*)(s))[2]=(char)((c)>>8), ((char*)(s))[3]=(char)((c)))

s

GLdouble s

Definition: glew.h:1376

void

GLvoid **typedef void(GLAPIENTRY *PFNGLGETVERTEXATTRIBDVPROC)(GLuint

Definition: glew.h:1824

c

const GLfloat * c

Definition: glew.h:14913

Definition at line 634 of file pngpriv.h.

#define PNG_STRIP_ALPHA 0x40000

Definition at line 449 of file pngpriv.h.

Referenced by png_do_read_transformations(), png_init_read_transformations(), png_read_transform_info(), png_set_background_fixed(), and png_set_strip_alpha().

#define png_strlen strlen

Definition at line 351 of file pngpriv.h.

Referenced by png_check_keyword(), png_handle_iTXt(), png_handle_tEXt(), png_push_read_iTXt(), png_set_iCCP(), png_set_pCAL(), png_set_sCAL_s(), png_set_sPLT(), png_set_text_2(), png_write_iTXt(), png_write_pCAL(), png_write_sCAL_s(), png_write_tEXt(), and png_write_zTXt().

#define PNG_STRUCT_INFO 0x0002

Definition at line 465 of file pngpriv.h.

Referenced by PNG_FUNCTION(), and png_info_init_3().

#define PNG_STRUCT_PNG 0x0001

Definition at line 464 of file pngpriv.h.

Referenced by PNG_FUNCTION().

#define PNG_SWAP_ALPHA 0x20000

Definition at line 448 of file pngpriv.h.

Referenced by png_do_read_transformations(), png_do_write_transformations(), and png_set_swap_alpha().

#define PNG_SWAP_BYTES 0x0010

Definition at line 435 of file pngpriv.h.

Referenced by png_do_read_transformations(), png_do_write_transformations(), png_read_row(), png_set_swap(), and png_write_row().

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

Definition at line 619 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_tEXt().

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

Definition at line 620 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_tIME().

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

Definition at line 621 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_tRNS().

#define PNG_UNUSED ( param ) (void)param;

Definition at line 181 of file pngpriv.h.

Referenced by png_default_warning(), png_do_read_interlace(), PNG_FUNCTION(), png_get_copyright(), png_get_header_ver(), png_get_header_version(), png_handle_IEND(), png_handle_unknown(), png_push_handle_iTXt(), png_push_handle_tEXt(), png_push_handle_unknown(), png_push_handle_zTXt(), png_read_filter_row_sub(), png_read_png(), png_read_update_info(), png_set_error_fn(), and png_write_png().

#define PNG_USE_COMPILE_TIME_MASKS 1

Definition at line 928 of file pngpriv.h.

#define PNG_USER_TRANSFORM 0x100000

Definition at line 451 of file pngpriv.h.

Referenced by png_do_read_transformations(), png_do_write_transformations(), png_read_start_row(), png_read_transform_info(), png_set_read_user_transform_fn(), and png_set_write_user_transform_fn().

#define png_voidcast	(	type,
		value
	)	(value)

Definition at line 245 of file pngpriv.h.

#define PNG_WARNING_PARAMETER_COUNT 8

Definition at line 1416 of file pngpriv.h.

Referenced by png_formatted_warning(), and png_warning_parameter().

#define PNG_WARNING_PARAMETER_SIZE 32

Definition at line 1415 of file pngpriv.h.

#define PNG_WARNING_PARAMETERS ( p ) png_warning_parameters p;

Definition at line 221 of file pngpriv.h.

Referenced by if(), png_check_keyword(), png_decompress_chunk(), png_handle_cHRM(), png_handle_gAMA(), png_handle_sRGB(), png_text_compress(), and png_zlib_release().

#define PNG_WEIGHT_FACTOR (1<<(PNG_WEIGHT_SHIFT))

Definition at line 468 of file pngpriv.h.

Referenced by png_init_filter_heuristics(), png_set_filter_heuristics(), and png_set_filter_heuristics_fixed().

#define PNG_WROTE_INFO_BEFORE_PLTE 0x400

Definition at line 425 of file pngpriv.h.

Referenced by png_write_info_before_PLTE(), and png_write_row().

#define PNG_WROTE_tIME 0x200

Definition at line 424 of file pngpriv.h.

Referenced by png_set_tIME(), png_write_end(), and png_write_info().

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

Definition at line 622 of file pngpriv.h.

Referenced by png_push_read_chunk(), png_read_end(), png_read_info(), and png_write_zTXt().

#define PNGFAPI PNGAPI

Definition at line 266 of file pngpriv.h.

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

Definition at line 50 of file pngpriv.h.

#define ZLIB_IO_MAX ((uInt)-1)

Definition at line 522 of file pngpriv.h.

Referenced by png_inflate(), png_set_compression_buffer_size(), and png_write_filtered_row().

Typedef Documentation

typedef PNG_CONST png_uint_16p FAR* png_const_uint_16pp

Definition at line 139 of file pngpriv.h.

typedef char png_warning_parameters[PNG_WARNING_PARAMETER_COUNT][PNG_WARNING_PARAMETER_SIZE]

Definition at line 1422 of file pngpriv.h.

typedef struct png_xy png_xy

typedef struct png_XYZ png_XYZ

Function Documentation

PNG_EXTERN void png_destroy_gamma_table ( png_structp png_ptr )

Definition at line 2683 of file png.c.

References i, NULL, and png_free().

Referenced by png_build_gamma_table(), and png_read_destroy().

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

Definition at line 131 of file pngerror.c.

References sort_controllers::output, PNG_NUMBER_FORMAT_02u, PNG_NUMBER_FORMAT_02x, PNG_NUMBER_FORMAT_fixed, PNG_NUMBER_FORMAT_u, and PNG_NUMBER_FORMAT_x.

PNG_EXTERN void png_formatted_warning	(	png_structp	png_ptr,
		png_warning_parameters	p,
		png_const_charp	message
	)

Definition at line 281 of file pngerror.c.

References i, NULL, png_warning(), and PNG_WARNING_PARAMETER_COUNT.

Referenced by if(), png_check_keyword(), png_decompress_chunk(), png_handle_cHRM(), png_handle_gAMA(), png_handle_sRGB(), png_text_compress(), and png_zlib_release().

PNG_EXTERN PNG_FUNCTION	(	png_voidp	,
		png_create_struct	,
		PNGARG((int type))	,
		PNG_ALLOCATED
	)

PNG_EXTERN PNG_FUNCTION	(	png_voidp	,
		png_create_struct_2	,
		PNGARG((int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr))	,
		PNG_ALLOCATED
	)

PNG_EXTERN PNG_FUNCTION	(	voidpf	,
		png_zalloc	,
		PNGARG((voidpf png_ptr, uInt items, uInt size))	,
		PNG_ALLOCATED
	)

PNG_EXTERN PNG_FUNCTION	(	void	,
		png_fixed_error	,
		(png_structp png_ptr, png_const_charp name)	,
		PNG_NORETURN
	)

Definition at line 476 of file pngerror.c.

References fixed_message, fixed_message_ln, NULL, png_error(), PNG_MAX_ERROR_TEXT, and png_memcpy.

PNG_EXTERN size_t png_safecat	(	png_charp	buffer,
		size_t	bufsize,
		size_t	pos,
		png_const_charp	string
	)

Definition at line 110 of file pngerror.c.

References NULL.

Referenced by png_user_version_check(), png_warning_parameter(), and png_zlib_claim().

PNG_EXTERN int png_user_version_check	(	png_structp	png_ptr,
		png_const_charp	user_png_ver
	)

Definition at line 172 of file png.c.

References i, NULL, PNG_FLAG_LIBRARY_MISMATCH, png_libpng_ver, png_safecat(), and png_warning().

Referenced by PNG_FUNCTION().

PNG_EXTERN void png_warning_parameter	(	png_warning_parameters	p,
		int	number,
		png_const_charp	string
	)

Definition at line 244 of file pngerror.c.

References png_safecat(), and PNG_WARNING_PARAMETER_COUNT.

Referenced by png_warning_parameter_signed(), png_warning_parameter_unsigned(), and png_zlib_release().

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

Definition at line 260 of file pngerror.c.

References PNG_FORMAT_NUMBER, PNG_NUMBER_BUFFER_SIZE, png_warning_parameter(), str, and u.

Referenced by png_decompress_chunk(), png_handle_cHRM(), png_handle_gAMA(), png_handle_sRGB(), png_text_compress(), and png_zlib_release().

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

Definition at line 252 of file pngerror.c.

References PNG_FORMAT_NUMBER, PNG_NUMBER_BUFFER_SIZE, and png_warning_parameter().

Referenced by if(), and png_check_keyword().

PNG_EXTERN png_fixed_point png_fixed PNGARG ( (png_structp png_ptr, double fp, png_const_charp text) )

PNG_EXTERN void png_destroy_struct PNGARG ( (png_voidp struct_ptr) )

PNG_EXTERN void png_destroy_struct_2 PNGARG ( (png_voidp struct_ptr, png_free_ptr free_fn, png_voidp mem_ptr) )

PNG_EXTERN void png_push_read_iTXt PNGARG ( (png_structp png_ptr, png_infop info_ptr) )

PNG_EXTERN void png_zfree PNGARG ( (voidpf png_ptr, voidpf ptr) )

PNG_EXTERN void png_write_IDAT PNGARG ( (png_structp png_ptr, png_bytep data, png_size_t length) )

PNG_EXTERN void PNGCBAPI png_push_fill_buffer PNGARG ( (png_structp png_ptr, png_bytep buffer, png_size_t length) )

PNG_EXTERN void png_write_destroy PNGARG ( (png_structp png_ptr) )

PNG_EXTERN void png_write_data PNGARG ( (png_structp png_ptr, png_const_bytep data, png_size_t length) )

PNG_EXTERN void png_crc_read PNGARG ( (png_structp png_ptr, png_bytep buf, png_size_t length) )

PNG_EXTERN void png_decompress_chunk PNGARG ( (png_structp png_ptr, int comp_type, png_size_t chunklength, png_size_t prefix_length, png_size_t *data_length) )

PNG_EXTERN int png_crc_finish PNGARG ( (png_structp png_ptr, png_uint_32 skip) )

PNG_EXTERN void png_calculate_crc PNGARG ( (png_structp png_ptr, png_const_bytep ptr, png_size_t length) )

PNG_EXTERN void png_write_IHDR PNGARG ( (png_structp 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_EXTERN void png_write_PLTE PNGARG ( (png_structp png_ptr, png_const_colorp palette, png_uint_32 num_pal) )

PNG_EXTERN void png_write_gAMA PNGARG ( (png_structp png_ptr, double file_gamma) )

PNG_EXTERN void png_write_gAMA_fixed PNGARG ( (png_structp png_ptr, png_fixed_point file_gamma) )

PNG_EXTERN void png_write_sBIT PNGARG ( (png_structp png_ptr, png_const_color_8p sbit, int color_type) )

PNG_EXTERN void png_write_cHRM PNGARG ( (png_structp png_ptr, double white_x, double white_y, double red_x, double red_y, double green_x, double green_y, double blue_x, double blue_y) )

PNG_EXTERN int png_check_cHRM_fixed PNGARG ( (png_structp png_ptr, png_fixed_point int_white_x, png_fixed_point int_white_y, png_fixed_point int_red_x, png_fixed_point int_red_y, png_fixed_pointint_green_x, png_fixed_point int_green_y, png_fixed_point int_blue_x, png_fixed_point int_blue_y) )

PNG_EXTERN void png_write_sRGB PNGARG ( (png_structp png_ptr, int intent) )

PNG_EXTERN void png_write_iCCP PNGARG ( (png_structp png_ptr, png_const_charp name, int compression_type, png_const_charp profile, int proflen) )

PNG_EXTERN void png_write_sPLT PNGARG ( (png_structp png_ptr, png_const_sPLT_tp palette) )

PNG_EXTERN void png_write_tRNS PNGARG ( (png_structp png_ptr, png_const_bytep trans, png_const_color_16p values, int number, int color_type) )

PNG_EXTERN void png_write_bKGD PNGARG ( (png_structp png_ptr, png_const_color_16p values, int color_type) )

PNG_EXTERN void png_write_hIST PNGARG ( (png_structp png_ptr, png_const_uint_16p hist, int num_hist) )

PNG_EXTERN png_size_t png_check_keyword PNGARG ( (png_structp png_ptr, png_const_charp key, png_charpp new_key) )

PNG_EXTERN void png_write_tEXt PNGARG ( (png_structp png_ptr, png_const_charp key, png_const_charp text, png_size_t text_len) )

PNG_EXTERN void png_write_zTXt PNGARG ( (png_structp png_ptr, png_const_charp key, png_const_charp text, png_size_t text_len, int compression) )

PNG_EXTERN void png_write_iTXt PNGARG ( (png_structp png_ptr, int compression, png_const_charp key, png_const_charp lang, png_const_charp lang_key, png_const_charp text) )

PNG_EXTERN int png_set_text_2 PNGARG ( (png_structp png_ptr, png_infop info_ptr, png_const_textp text_ptr, int num_text) )

PNG_EXTERN void png_write_oFFs PNGARG ( (png_structp png_ptr, png_int_32 x_offset, png_int_32 y_offset, int unit_type) )

PNG_EXTERN void png_write_pCAL PNGARG ( (png_structp 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_EXTERN void png_write_pHYs PNGARG ( (png_structp png_ptr, png_uint_32 x_pixels_per_unit, png_uint_32 y_pixels_per_unit, int unit_type) )

PNG_EXTERN void png_write_tIME PNGARG ( (png_structp png_ptr, png_const_timep mod_time) )

PNG_EXTERN void png_write_sCAL_s PNGARG ( (png_structp png_ptr, int unit, png_const_charp width, png_const_charp height) )

PNG_EXTERN void png_combine_row PNGARG ( (png_structp png_ptr, png_bytep row, int display) )

PNG_EXTERN void png_do_read_interlace PNGARG ( (png_row_infop row_info, png_bytep row, int pass, png_uint_32 transformations) )

PNG_EXTERN void png_do_write_interlace PNGARG ( (png_row_infop row_info, png_bytep row, int pass) )

PNG_EXTERN void png_read_filter_row PNGARG ( (png_structp pp, png_row_infop row_info, png_bytep row, png_const_bytep prev_row, int filter) )

PNG_EXTERN void png_read_filter_row_paeth4_neon PNGARG ( (png_row_infop row_info, png_bytep row, png_const_bytep prev_row) )

PNG_EXTERN void png_do_write_transformations PNGARG ( (png_structp png_ptr, png_row_infop row_info) )

PNG_EXTERN void png_do_read_filler PNGARG ( (png_row_infop row_info, png_bytep row, png_uint_32 filler, png_uint_32 flags) )

PNG_EXTERN void png_do_write_intrapixel PNGARG ( (png_row_infop row_info, png_bytep row) )

PNG_EXTERN void png_do_strip_channel PNGARG ( (png_row_infop row_info, png_bytep row, int at_start) )

PNG_EXTERN int png_do_rgb_to_gray PNGARG ( (png_structp png_ptr, png_row_infop row_info, png_bytep row) )

PNG_EXTERN void png_do_unshift PNGARG ( (png_row_infop row_info, png_bytep row, png_const_color_8p sig_bits) )

PNG_EXTERN void png_do_quantize PNGARG ( (png_row_infop row_info, png_bytep row, png_const_bytep palette_lookup, png_const_bytep quantize_lookup) )

PNG_EXTERN void png_do_pack PNGARG ( (png_row_infop row_info, png_bytep row, png_uint_32 bit_depth) )

PNG_EXTERN void png_do_shift PNGARG ( (png_row_infop row_info, png_bytep row, png_const_color_8p bit_depth) )

PNG_EXTERN void png_do_encode_alpha PNGARG ( (png_row_infop row_info, png_bytep row, png_structp png_ptr) )

PNG_EXTERN void png_do_expand_palette PNGARG ( (png_row_infop row_info, png_bytep row, png_const_colorp palette, png_const_bytep trans, int num_trans) )

PNG_EXTERN void png_do_expand PNGARG ( (png_row_infop row_info, png_bytep row, png_const_color_16p trans_color) )

PNG_EXTERN void png_push_handle_iTXt PNGARG ( (png_structp png_ptr, png_infop info_ptr, png_uint_32 length) )

PNG_EXTERN int png_chunk_unknown_handling PNGARG ( (png_structp png_ptr, png_uint_32 chunk_name) )

PNG_EXTERN void png_push_crc_skip PNGARG ( (png_structp png_ptr, png_uint_32 length) )

PNG_EXTERN void png_process_IDAT_data PNGARG ( (png_structp png_ptr, png_bytep buffer, png_size_t buffer_length) )

PNG_EXTERN void png_push_have_row PNGARG ( (png_structp png_ptr, png_bytep row) )

PNG_EXTERN void png_64bit_product PNGARG ( (long v1, long v2, unsigned long *hi_product, unsigned long *lo_product) )

PNG_EXTERN int png_xy_from_XYZ PNGARG ( (png_xy *xy, png_XYZ XYZ) )

PNG_EXTERN int png_XYZ_from_xy PNGARG ( (png_XYZ *XYZ, png_xy xy) )

PNG_EXTERN int png_XYZ_from_xy_checked PNGARG ( (png_structp png_ptr, png_XYZ *XYZ, png_xy xy) )

PNG_EXTERN void png_check_IHDR PNGARG ( (png_structp 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_EXTERN void png_read_destroy PNGARG ( (png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr) )

PNG_EXTERN void png_ascii_from_fp PNGARG ( (png_structp png_ptr, png_charp ascii, png_size_t size, double fp, unsigned int precision) )

PNG_EXTERN void png_ascii_from_fixed PNGARG ( (png_structp png_ptr, png_charp ascii, png_size_t size, png_fixed_point fp) )

PNG_EXTERN int png_check_fp_number PNGARG ( (png_const_charp string, png_size_t size, int *statep, png_size_tp whereami) )

PNG_EXTERN int png_check_fp_string PNGARG ( (png_const_charp string, png_size_t size) )

PNG_EXTERN int png_muldiv PNGARG ( (png_fixed_point_p res, png_fixed_point a, png_int_32 multiplied_by, png_int_32 divided_by) )

PNG_EXTERN png_fixed_point png_muldiv_warn PNGARG ( (png_structp png_ptr, png_fixed_point a, png_int_32 multiplied_by, png_int_32 divided_by) )

PNG_EXTERN png_fixed_point png_reciprocal PNGARG ( (png_fixed_point a) )

PNG_EXTERN png_fixed_point png_reciprocal2 PNGARG ( (png_fixed_point a, png_fixed_point b) )

PNG_EXTERN png_uint_16 png_gamma_correct PNGARG ( (png_structp png_ptr, unsigned int value, png_fixed_point gamma_value) )

PNG_EXTERN int png_gamma_significant PNGARG ( (png_fixed_point gamma_value) )

PNG_EXTERN png_byte png_gamma_8bit_correct PNGARG ( (unsigned int value, png_fixed_point gamma_value) )

PNG_EXTERN void png_build_gamma_table PNGARG ( (png_structp png_ptr, int bit_depth) )

Classes

Macros

Typedefs

Functions

Macro Definition Documentation

Typedef Documentation

Function Documentation