#include "pngpriv.h"

Macros
#define	APPEND(ch)

#define	APPEND_NUMBER(format, value) APPEND_STRING(PNG_FORMAT_NUMBER(number_buf, format, (value)))

#define	APPEND_STRING(string)

#define	png_fp_add(state, flags) ((state) \|= (flags))

#define	png_fp_set(state, value) ((state) = (value) \| ((state) & PNG_FP_STICKY))

Typedefs
typedef png_libpng_version_1_5_9	Your_png_h_is_not_version_1_5_9

Functions
void	png_64bit_product (long v1, long v2, unsigned long hi_product, unsigned long lo_product)

png_uint_32 PNGAPI	png_access_version_number (void)

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

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

static void	png_build_16bit_table (png_structp png_ptr, png_uint_16pp *ptable, PNG_CONST unsigned int shift, PNG_CONST png_fixed_point gamma_val)

static void	png_build_16to8_table (png_structp png_ptr, png_uint_16pp *ptable, PNG_CONST unsigned int shift, PNG_CONST png_fixed_point gamma_val)

static void	png_build_8bit_table (png_structp png_ptr, png_bytepp ptable, PNG_CONST png_fixed_point gamma_val)

void	png_build_gamma_table (png_structp png_ptr, int bit_depth)

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

int	png_check_cHRM_fixed (png_structp png_ptr, png_fixed_point white_x, png_fixed_point white_y, png_fixed_point red_x, png_fixed_point red_y, png_fixed_point green_x, png_fixed_point green_y, png_fixed_point blue_x, png_fixed_point blue_y)

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

int	png_check_fp_string (png_const_charp string, png_size_t size)

void	png_check_IHDR (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)

int	png_chunk_unknown_handling (png_structp png_ptr, png_uint_32 chunk_name)

png_const_charp PNGAPI	png_convert_to_rfc1123 (png_structp png_ptr, png_const_timep ptime)

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

void	png_destroy_gamma_table (png_structp png_ptr)

void PNGAPI	png_destroy_info_struct (png_structp png_ptr, png_infopp info_ptr_ptr)

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

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

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

	PNG_FUNCTION (png_infop, PNGAPI png_create_info_struct,(png_structp png_ptr), PNG_ALLOCATED)

png_uint_16	png_gamma_16bit_correct (unsigned int value, png_fixed_point gamma_val)

png_byte	png_gamma_8bit_correct (unsigned int value, png_fixed_point gamma_val)

png_uint_16	png_gamma_correct (png_structp png_ptr, unsigned int value, png_fixed_point gamma_val)

int	png_gamma_significant (png_fixed_point gamma_val)

png_const_charp PNGAPI	png_get_copyright (png_const_structp png_ptr)

png_const_charp PNGAPI	png_get_header_ver (png_const_structp png_ptr)

png_const_charp PNGAPI	png_get_header_version (png_const_structp png_ptr)

png_voidp PNGAPI	png_get_io_ptr (png_structp png_ptr)

png_const_charp PNGAPI	png_get_libpng_ver (png_const_structp png_ptr)

int PNGAPI	png_handle_as_unknown (png_structp png_ptr, png_const_bytep chunk_name)

void	png_info_destroy (png_structp png_ptr, png_infop info_ptr)

void PNGAPI	png_info_init_3 (png_infopp ptr_ptr, png_size_t png_info_struct_size)

void PNGAPI	png_init_io (png_structp png_ptr, png_FILE_p fp)

int	png_muldiv (png_fixed_point_p res, png_fixed_point a, png_int_32 times, png_int_32 divisor)

png_fixed_point	png_muldiv_warn (png_structp png_ptr, png_fixed_point a, png_int_32 times, png_int_32 divisor)

static double	png_pow10 (int power)

static png_fixed_point	png_product2 (png_fixed_point a, png_fixed_point b)

png_fixed_point	png_reciprocal (png_fixed_point a)

png_fixed_point	png_reciprocal2 (png_fixed_point a, png_fixed_point b)

void	png_reset_crc (png_structp png_ptr)

int PNGAPI	png_reset_zstream (png_structp png_ptr)

void PNGAPI	png_set_sig_bytes (png_structp png_ptr, int num_bytes)

int PNGAPI	png_sig_cmp (png_const_bytep sig, png_size_t start, png_size_t num_to_check)

int	png_user_version_check (png_structp png_ptr, png_const_charp user_png_ver)

int	png_xy_from_XYZ (png_xy *xy, png_XYZ XYZ)

int	png_XYZ_from_xy (png_XYZ *XYZ, png_xy xy)

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

void	png_zfree (voidpf png_ptr, voidpf ptr)

Macro Definition Documentation

#define APPEND ( ch )

Value:

if (pos < (sizeof png_ptr->time_buffer)-1)\

png_ptr->time_buffer[pos++] = (ch)

Referenced by png_convert_to_rfc1123().

#define APPEND_NUMBER	(	format,
		value
	)	APPEND_STRING(PNG_FORMAT_NUMBER(number_buf, format, (value)))

Referenced by png_convert_to_rfc1123().

#define APPEND_STRING ( string )

Value:

pos = png_safecat(png_ptr->time_buffer, sizeof png_ptr->time_buffer,\

pos, (string))

png_safecat

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

Definition: pngerror.c:110

Referenced by png_convert_to_rfc1123().

#define png_fp_add	(	state,
		flags
	)	((state) \|= (flags))

Definition at line 1317 of file png.c.

Referenced by png_check_fp_number().

#define png_fp_set	(	state,
		value
	)	((state) = (value) \| ((state) & PNG_FP_STICKY))

Definition at line 1318 of file png.c.

Referenced by png_check_fp_number().

Typedef Documentation

typedef png_libpng_version_1_5_9 Your_png_h_is_not_version_1_5_9

Definition at line 17 of file png.c.

Function Documentation

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

Definition at line 2132 of file png.c.

References d, cordic::hi, and cordic::lo.

Referenced by png_check_cHRM_fixed().

png_uint_32 PNGAPI png_access_version_number ( void )

Definition at line 763 of file png.c.

References PNG_LIBPNG_VER.

Referenced by main().

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

Definition at line 1818 of file png.c.

References i, and png_error().

Referenced by png_set_sCAL_fixed().

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

Definition at line 1504 of file png.c.

References d, floor(), png_error(), and png_pow10().

Referenced by png_set_sCAL().

static void png_build_16bit_table	(	png_structp	png_ptr,
		png_uint_16pp *	ptable,
		PNG_CONST unsigned int	shift,
		PNG_CONST png_fixed_point	gamma_val
	)

static

Definition at line 2531 of file png.c.

References d, floor(), i, j, max, PNG_CONST, png_gamma_16bit_correct(), png_gamma_significant(), and png_sizeof.

Referenced by png_build_gamma_table().

static void png_build_16to8_table	(	png_structp	png_ptr,
		png_uint_16pp *	ptable,
		PNG_CONST unsigned int	shift,
		PNG_CONST png_fixed_point	gamma_val
	)

static

Definition at line 2599 of file png.c.

References i, max, PNG_CONST, png_gamma_16bit_correct(), and png_sizeof.

Referenced by png_build_gamma_table().

static void png_build_8bit_table	(	png_structp	png_ptr,
		png_bytepp	ptable,
		PNG_CONST png_fixed_point	gamma_val
	)

static

Definition at line 2666 of file png.c.

References i, png_gamma_8bit_correct(), and png_gamma_significant().

Referenced by png_build_gamma_table().

void png_build_gamma_table	(	png_structp	png_ptr,
		int	bit_depth
	)

Definition at line 2739 of file png.c.

References NULL, PNG_16_TO_8, png_build_16bit_table(), png_build_16to8_table(), png_build_8bit_table(), PNG_COLOR_MASK_COLOR, PNG_COMPOSE, png_debug, png_destroy_gamma_table(), PNG_FP_1, PNG_MAX_GAMMA_8, png_product2(), png_reciprocal(), png_reciprocal2(), PNG_RGB_TO_GRAY, PNG_SCALE_16_TO_8, and png_warning().

Referenced by png_init_read_transformations().

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

Definition at line 120 of file png.c.

References crc32(), PNG_CHUNK_ANCILLIARY, PNG_FLAG_CRC_ANCILLARY_MASK, PNG_FLAG_CRC_ANCILLARY_NOWARN, PNG_FLAG_CRC_ANCILLARY_USE, and PNG_FLAG_CRC_CRITICAL_IGNORE.

Referenced by png_crc_read(), png_push_crc_finish(), png_push_read_IDAT(), png_read_chunk_header(), png_write_chunk_data(), and png_write_chunk_header().

int png_check_cHRM_fixed	(	png_structp	png_ptr,
		png_fixed_point	white_x,
		png_fixed_point	white_y,
		png_fixed_point	red_x,
		png_fixed_point	red_y,
		png_fixed_point	green_x,
		png_fixed_point	green_y,
		png_fixed_point	blue_x,
		png_fixed_point	blue_y
	)

Definition at line 780 of file png.c.

References NULL, png_64bit_product(), png_debug, PNG_FP_1, png_warning(), and ret.

Referenced by png_set_cHRM_fixed(), and png_write_cHRM_fixed().

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

Definition at line 1321 of file png.c.

References i, png_fp_add, PNG_FP_EXPONENT, PNG_FP_FRACTION, PNG_FP_INTEGER, PNG_FP_NEGATIVE, PNG_FP_NONZERO, PNG_FP_SAW_ANY, PNG_FP_SAW_DIGIT, PNG_FP_SAW_DOT, PNG_FP_SAW_E, PNG_FP_SAW_SIGN, png_fp_set, PNG_FP_STATE, and PNG_FP_WAS_VALID.

Referenced by png_check_fp_string(), and png_handle_sCAL().

int png_check_fp_string	(	png_const_charp	string,
		png_size_t	size
	)

Definition at line 1448 of file png.c.

References png_check_fp_number().

Referenced by png_set_pCAL(), and png_set_sCAL_s().

void png_check_IHDR	(	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
	)

Definition at line 1169 of file png.c.

References error, PNG_COLOR_TYPE_GRAY_ALPHA, PNG_COLOR_TYPE_PALETTE, PNG_COLOR_TYPE_RGB, PNG_COLOR_TYPE_RGB_ALPHA, PNG_COMPRESSION_TYPE_BASE, png_error(), PNG_FILTER_TYPE_BASE, PNG_FLAG_MNG_FILTER_64, PNG_HAVE_PNG_SIGNATURE, PNG_INTERLACE_LAST, PNG_INTRAPIXEL_DIFFERENCING, PNG_UINT_31_MAX, PNG_UINT_32_MAX, PNG_USER_HEIGHT_MAX, PNG_USER_WIDTH_MAX, and png_warning().

Referenced by png_get_IHDR(), and png_set_IHDR().

int png_chunk_unknown_handling	(	png_structp	png_ptr,
		png_uint_32	chunk_name
	)

Definition at line 740 of file png.c.

References PNG_CSTRING_FROM_CHUNK, and png_handle_as_unknown().

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

png_const_charp PNGAPI png_convert_to_rfc1123	(	png_structp	png_ptr,
		png_const_timep	ptime
	)

Definition at line 593 of file png.c.

References APPEND, APPEND_NUMBER, APPEND_STRING, NULL, PNG_CONST, PNG_NUMBER_FORMAT_02u, PNG_NUMBER_FORMAT_u, and png_warning().

Referenced by test_one_file().

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

Definition at line 310 of file png.c.

References NULL, png_debug, PNG_DESTROY_WILL_FREE_DATA, PNG_USER_WILL_FREE_DATA, and png_warning().

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().

void PNGAPI png_destroy_info_struct	(	png_structp	png_ptr,
		png_infopp	info_ptr_ptr
	)

Definition at line 257 of file png.c.

References NULL, png_debug, png_destroy_struct(), png_destroy_struct_2(), and png_info_destroy().

Referenced by test_one_file().

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

Definition at line 1891 of file png.c.

References floor().

Referenced by png_get_sCAL_fixed(), png_set_background(), png_set_cHRM(), png_set_cHRM_XYZ(), png_set_gAMA(), and png_set_rgb_to_gray().

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

Definition at line 330 of file png.c.

References i, int, NULL, png_debug, png_free(), PNG_FREE_HIST, PNG_FREE_ICCP, PNG_FREE_MUL, PNG_FREE_PCAL, PNG_FREE_PLTE, PNG_FREE_ROWS, PNG_FREE_SCAL, PNG_FREE_SPLT, PNG_FREE_TEXT, PNG_FREE_TRNS, PNG_FREE_UNKN, PNG_INFO_hIST, PNG_INFO_iCCP, PNG_INFO_IDAT, PNG_INFO_pCAL, PNG_INFO_PLTE, PNG_INFO_sCAL, PNG_INFO_sPLT, PNG_INFO_tRNS, and png_zfree().

Referenced by png_destroy_read_struct(), png_destroy_write_struct(), png_info_destroy(), png_read_png(), png_set_hIST(), png_set_iCCP(), png_set_PLTE(), png_set_rows(), png_set_tRNS(), and test_one_file().

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

Definition at line 72 of file png.c.

References NULL, PNG_FLAG_MALLOC_NULL_MEM_OK, PNG_UINT_32_MAX, and png_warning().

PNG_FUNCTION	(	png_infop	,
		PNGAPI	png_create_info_struct,
		(png_structp png_ptr)	,
		PNG_ALLOCATED
	)

Definition at line 229 of file png.c.

References NULL, png_debug, png_info_init_3(), png_sizeof, and PNG_STRUCT_INFO.

png_uint_16 png_gamma_16bit_correct	(	unsigned int	value,
		png_fixed_point	gamma_val
	)

Definition at line 2474 of file png.c.

References floor(), PNG_FP_1, and png_muldiv().

Referenced by png_build_16bit_table(), png_build_16to8_table(), and png_gamma_correct().

png_byte png_gamma_8bit_correct	(	unsigned int	value,
		png_fixed_point	gamma_val
	)

Definition at line 2451 of file png.c.

References floor(), PNG_FP_1, and png_muldiv().

Referenced by png_build_8bit_table(), png_gamma_correct(), and png_init_read_transformations().

png_uint_16 png_gamma_correct	(	png_structp	png_ptr,
		unsigned int	value,
		png_fixed_point	gamma_val
	)

Definition at line 2502 of file png.c.

References png_gamma_16bit_correct(), and png_gamma_8bit_correct().

Referenced by png_init_read_transformations().

int png_gamma_significant ( png_fixed_point gamma_val )

Definition at line 2516 of file png.c.

References PNG_FP_1, and PNG_GAMMA_THRESHOLD_FIXED.

Referenced by png_build_16bit_table(), png_build_8bit_table(), png_gamma_threshold(), and png_init_read_transformations().

png_const_charp PNGAPI png_get_copyright ( png_const_structp png_ptr )

Definition at line 650 of file png.c.

References PNG_STRING_NEWLINE, and PNG_UNUSED.

Referenced by main().

png_const_charp PNGAPI png_get_header_ver ( png_const_structp png_ptr )

Definition at line 688 of file png.c.

References PNG_LIBPNG_VER_STRING, and PNG_UNUSED.

Referenced by png_get_libpng_ver().

png_const_charp PNGAPI png_get_header_version ( png_const_structp png_ptr )

Definition at line 696 of file png.c.

References PNG_HEADER_VERSION_STRING, PNG_STRING_NEWLINE, and PNG_UNUSED.

Referenced by main().

png_voidp PNGAPI png_get_io_ptr ( png_structp png_ptr )

Definition at line 560 of file png.c.

References NULL.

png_const_charp PNGAPI png_get_libpng_ver ( png_const_structp png_ptr )

Definition at line 681 of file png.c.

References png_get_header_ver().

int PNGAPI png_handle_as_unknown	(	png_structp	png_ptr,
		png_const_bytep	chunk_name
	)

Definition at line 713 of file png.c.

References NULL, PNG_HANDLE_CHUNK_AS_DEFAULT, and png_memcmp.

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

void png_info_destroy	(	png_structp	png_ptr,
		png_infop	info_ptr
	)

Definition at line 536 of file png.c.

References NULL, png_debug, png_free(), PNG_FREE_ALL, png_free_data(), png_info_init_3(), and png_sizeof.

Referenced by png_destroy_info_struct(), and png_read_destroy().

void PNGAPI png_info_init_3	(	png_infopp	ptr_ptr,
		png_size_t	png_info_struct_size
	)

Definition at line 289 of file png.c.

References NULL, png_debug, png_destroy_struct(), png_memset, png_sizeof, and PNG_STRUCT_INFO.

Referenced by PNG_FUNCTION(), and png_info_destroy().

void PNGAPI png_init_io	(	png_structp	png_ptr,
		png_FILE_p	fp
	)

Definition at line 577 of file png.c.

References NULL, and png_debug.

Referenced by Zeni::Image::Image(), and test_one_file().

int png_muldiv	(	png_fixed_point_p	res,
		png_fixed_point	a,
		png_int_32	times,
		png_int_32	divisor
	)

Definition at line 1911 of file png.c.

References floor().

Referenced by png_gamma_16bit_correct(), png_gamma_8bit_correct(), png_gamma_threshold(), png_get_pixel_aspect_ratio_fixed(), png_handle_cHRM(), png_muldiv_warn(), png_product2(), png_reciprocal(), png_xy_from_XYZ(), png_XYZ_from_xy(), and ppi_from_ppm().

png_fixed_point png_muldiv_warn	(	png_structp	png_ptr,
		png_fixed_point	a,
		png_int_32	times,
		png_int_32	divisor
	)

Definition at line 2030 of file png.c.

References png_muldiv(), and png_warning().

Referenced by png_fixed_inches_from_microns().

static double png_pow10 ( int power )

static

Definition at line 1467 of file png.c.

References d.

Referenced by png_ascii_from_fp().

static png_fixed_point png_product2	(	png_fixed_point	a,
		png_fixed_point	b
	)

static

Definition at line 2065 of file png.c.

References floor(), and png_muldiv().

Referenced by png_build_gamma_table(), and png_reciprocal2().

png_fixed_point png_reciprocal ( png_fixed_point a )

Definition at line 2046 of file png.c.

References floor(), and png_muldiv().

Referenced by png_build_gamma_table(), png_init_read_transformations(), png_reciprocal2(), png_set_alpha_mode_fixed(), and png_XYZ_from_xy().

png_fixed_point png_reciprocal2	(	png_fixed_point	a,
		png_fixed_point	b
	)

Definition at line 2087 of file png.c.

References floor(), png_product2(), and png_reciprocal().

Referenced by png_build_gamma_table(), and png_init_read_transformations().

void png_reset_crc ( png_structp png_ptr )

Definition at line 108 of file png.c.

References crc32(), and Z_NULL.

Referenced by png_push_read_chunk(), png_push_read_IDAT(), png_read_chunk_header(), and png_write_chunk_header().

int PNGAPI png_reset_zstream ( png_structp png_ptr )

Definition at line 752 of file png.c.

References inflateReset(), NULL, and Z_STREAM_ERROR.

void PNGAPI png_set_sig_bytes	(	png_structp	png_ptr,
		int	num_bytes
	)

Definition at line 27 of file png.c.

References NULL, png_debug, and png_error().

Referenced by Zeni::Image::Image().

int PNGAPI png_sig_cmp	(	png_const_bytep	sig,
		png_size_t	start,
		png_size_t	num_to_check
	)

Definition at line 49 of file png.c.

References png_memcmp.

Referenced by Zeni::Image::Image(), png_push_read_sig(), and png_read_sig().

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().

int png_xy_from_XYZ	(	png_xy *	xy,
		png_XYZ	XYZ
	)

Definition at line 854 of file png.c.

References png_xy::bluex, png_XYZ::blueX, png_xy::bluey, png_XYZ::blueY, png_XYZ::blueZ, d, png_xy::greenx, png_XYZ::greenX, png_xy::greeny, png_XYZ::greenY, png_XYZ::greenZ, PNG_FP_1, png_muldiv(), png_xy::redx, png_XYZ::redX, png_xy::redy, png_XYZ::redY, png_XYZ::redZ, png_xy::whitex, and png_xy::whitey.

Referenced by png_set_cHRM_XYZ_fixed().

int png_XYZ_from_xy	(	png_XYZ *	XYZ,
		png_xy	xy
	)

Definition at line 888 of file png.c.

References png_xy::bluex, png_XYZ::blueX, png_xy::bluey, png_XYZ::blueY, png_XYZ::blueZ, png_xy::greenx, png_XYZ::greenX, png_xy::greeny, png_XYZ::greenY, png_XYZ::greenZ, PNG_FP_1, png_muldiv(), png_reciprocal(), png_xy::redx, png_XYZ::redX, png_xy::redy, png_XYZ::redY, png_XYZ::redZ, png_xy::whitex, and png_xy::whitey.

Referenced by png_XYZ_from_xy_checked().

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

Definition at line 1139 of file png.c.

References png_error(), png_warning(), and png_XYZ_from_xy().

Referenced by png_get_cHRM_XYZ_fixed(), and png_handle_cHRM().

void png_zfree	(	voidpf	png_ptr,
		voidpf	ptr
	)

Definition at line 99 of file png.c.

References png_free().

Referenced by png_free_data(), PNG_FUNCTION(), png_read_destroy(), and png_write_IHDR().

Macros

Typedefs

Functions

Macro Definition Documentation

Typedef Documentation

Function Documentation