#include "png.h"

Include dependency graph for pngwutil.c:

Classes
struct	compression_state

Macros
#define	PNG_HIMASK ((png_uint_32)(~PNG_LOMASK >> PNG_HISHIFT))

#define	PNG_HISHIFT 10

#define	PNG_INTERNAL

#define	PNG_LOMASK ((png_uint_32)0xffffL)

#define	PNG_MAXSUM (((png_uint_32)(-1)) >> 1)

Functions
png_size_t	png_check_keyword (png_structp png_ptr, png_charp key, png_charpp new_key)

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

void PNGAPI	png_save_int_32 (png_bytep buf, png_int_32 i)

void PNGAPI	png_save_uint_16 (png_bytep buf, unsigned int i)

void PNGAPI	png_save_uint_32 (png_bytep buf, png_uint_32 i)

static int	png_text_compress (png_structp png_ptr, png_charp text, png_size_t text_len, int compression, compression_state *comp)

void	png_write_bKGD (png_structp png_ptr, png_color_16p back, int color_type)

void	png_write_cHRM (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)

void	png_write_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)

void PNGAPI	png_write_chunk (png_structp png_ptr, png_bytep chunk_name, png_bytep data, png_size_t length)

void PNGAPI	png_write_chunk_data (png_structp png_ptr, png_bytep data, png_size_t length)

void PNGAPI	png_write_chunk_end (png_structp png_ptr)

void PNGAPI	png_write_chunk_start (png_structp png_ptr, png_bytep chunk_name, png_uint_32 length)

static void	png_write_compressed_data_out (png_structp png_ptr, compression_state *comp)

void	png_write_filtered_row (png_structp png_ptr, png_bytep filtered_row)

void	png_write_find_filter (png_structp png_ptr, png_row_infop row_info)

void	png_write_finish_row (png_structp png_ptr)

void	png_write_gAMA (png_structp png_ptr, double file_gamma)

void	png_write_gAMA_fixed (png_structp png_ptr, png_fixed_point file_gamma)

void	png_write_hIST (png_structp png_ptr, png_uint_16p hist, int num_hist)

void	png_write_iCCP (png_structp png_ptr, png_charp name, int compression_type, png_charp profile, int profile_len)

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

void	png_write_IEND (png_structp png_ptr)

void	png_write_IHDR (png_structp png_ptr, png_uint_32 width, png_uint_32 height, int bit_depth, int color_type, int compression_type, int filter_type, int interlace_type)

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

void	png_write_pCAL (png_structp png_ptr, png_charp purpose, png_int_32 X0, png_int_32 X1, int type, int nparams, png_charp units, png_charpp params)

void	png_write_pHYs (png_structp png_ptr, png_uint_32 x_pixels_per_unit, png_uint_32 y_pixels_per_unit, int unit_type)

void	png_write_PLTE (png_structp png_ptr, png_colorp palette, png_uint_32 num_pal)

void	png_write_sBIT (png_structp png_ptr, png_color_8p sbit, int color_type)

void	png_write_sCAL (png_structp png_ptr, int unit, double width, double height)

void	png_write_sig (png_structp png_ptr)

void	png_write_sPLT (png_structp png_ptr, png_sPLT_tp spalette)

void	png_write_sRGB (png_structp png_ptr, int srgb_intent)

void	png_write_start_row (png_structp png_ptr)

void	png_write_tEXt (png_structp png_ptr, png_charp key, png_charp text, png_size_t text_len)

void	png_write_tIME (png_structp png_ptr, png_timep mod_time)

void	png_write_tRNS (png_structp png_ptr, png_bytep trans, png_color_16p tran, int num_trans, int color_type)

void	png_write_zTXt (png_structp png_ptr, png_charp key, png_charp text, png_size_t text_len, int compression)

Macro Definition Documentation

◆ PNG_HIMASK

#define PNG_HIMASK ((png_uint_32)(~PNG_LOMASK >> PNG_HISHIFT))

Definition at line 2148 of file pngwutil.c.

◆ PNG_HISHIFT

#define PNG_HISHIFT 10

Definition at line 2146 of file pngwutil.c.

◆ PNG_INTERNAL

#define PNG_INTERNAL

Definition at line 11 of file pngwutil.c.

◆ PNG_LOMASK

#define PNG_LOMASK ((png_uint_32)0xffffL)

Definition at line 2147 of file pngwutil.c.

◆ PNG_MAXSUM

#define PNG_MAXSUM (((png_uint_32)(-1)) >> 1)

Definition at line 2145 of file pngwutil.c.

Function Documentation

◆ png_check_keyword()

png_size_t png_check_keyword	(	png_structp	png_ptr,
		png_charp	key,
		png_charpp	new_key
	)

Definition at line 1231 of file pngwutil.c.

◆ png_do_write_interlace()

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

Definition at line 1979 of file pngwutil.c.

◆ png_save_int_32()

void PNGAPI png_save_int_32	(	png_bytep	buf,
		png_int_32	i
	)

Definition at line 33 of file pngwutil.c.

◆ png_save_uint_16()

void PNGAPI png_save_uint_16	(	png_bytep	buf,
		unsigned int	i
	)

Definition at line 46 of file pngwutil.c.

◆ png_save_uint_32()

void PNGAPI png_save_uint_32	(	png_bytep	buf,
		png_uint_32	i
	)

Definition at line 20 of file pngwutil.c.

◆ png_text_compress()

static int png_text_compress	(	png_structp	png_ptr,
		png_charp	text,
		png_size_t	text_len,
		int	compression,
		compression_state *	comp
	)

static

Definition at line 167 of file pngwutil.c.

◆ png_write_bKGD()

void png_write_bKGD	(	png_structp	png_ptr,
		png_color_16p	back,
		int	color_type
	)

Definition at line 1137 of file pngwutil.c.

◆ png_write_cHRM()

void png_write_cHRM	(	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
	)

Definition at line 964 of file pngwutil.c.

◆ png_write_cHRM_fixed()

void png_write_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 1025 of file pngwutil.c.

◆ png_write_chunk()

void PNGAPI png_write_chunk	(	png_structp	png_ptr,
		png_bytep	chunk_name,
		png_bytep	data,
		png_size_t	length
	)

Definition at line 80 of file pngwutil.c.

◆ png_write_chunk_data()

void PNGAPI png_write_chunk_data	(	png_structp	png_ptr,
		png_bytep	data,
		png_size_t	length
	)

Definition at line 120 of file pngwutil.c.

◆ png_write_chunk_end()

void PNGAPI png_write_chunk_end ( png_structp png_ptr )

Definition at line 136 of file pngwutil.c.

◆ png_write_chunk_start()

void PNGAPI png_write_chunk_start	(	png_structp	png_ptr,
		png_bytep	chunk_name,
		png_uint_32	length
	)

Definition at line 94 of file pngwutil.c.

◆ png_write_compressed_data_out()

static void png_write_compressed_data_out	(	png_structp	png_ptr,
		compression_state *	comp
	)

static

Definition at line 345 of file pngwutil.c.

◆ png_write_filtered_row()

void png_write_filtered_row	(	png_structp	png_ptr,
		png_bytep	filtered_row
	)

Definition at line 2769 of file pngwutil.c.

◆ png_write_find_filter()

void png_write_find_filter	(	png_structp	png_ptr,
		png_row_infop	row_info
	)

Definition at line 2150 of file pngwutil.c.

◆ png_write_finish_row()

void png_write_finish_row ( png_structp png_ptr )

Definition at line 1860 of file pngwutil.c.

◆ png_write_gAMA()

void png_write_gAMA	(	png_structp	png_ptr,
		double	file_gamma
	)

Definition at line 694 of file pngwutil.c.

◆ png_write_gAMA_fixed()

void png_write_gAMA_fixed	(	png_structp	png_ptr,
		png_fixed_point	file_gamma
	)

Definition at line 711 of file pngwutil.c.

◆ png_write_hIST()

void png_write_hIST	(	png_structp	png_ptr,
		png_uint_16p	hist,
		int	num_hist
	)

Definition at line 1190 of file pngwutil.c.

◆ png_write_iCCP()

void png_write_iCCP	(	png_structp	png_ptr,
		png_charp	name,
		int	compression_type,
		png_charp	profile,
		int	profile_len
	)

Definition at line 748 of file pngwutil.c.

◆ png_write_IDAT()

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

Definition at line 627 of file pngwutil.c.

◆ png_write_IEND()

void png_write_IEND ( png_structp png_ptr )

Definition at line 679 of file pngwutil.c.

◆ png_write_IHDR()

void png_write_IHDR	(	png_structp	png_ptr,
		png_uint_32	width,
		png_uint_32	height,
		int	bit_depth,
		int	color_type,
		int	compression_type,
		int	filter_type,
		int	interlace_type
	)

Definition at line 384 of file pngwutil.c.

◆ png_write_oFFs()

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

Definition at line 1547 of file pngwutil.c.

◆ png_write_pCAL()

void png_write_pCAL	(	png_structp	png_ptr,
		png_charp	purpose,
		png_int_32	X0,
		png_int_32	X1,
		int	type,
		int	nparams,
		png_charp	units,
		png_charpp	params
	)

Definition at line 1569 of file pngwutil.c.

◆ png_write_pHYs()

void png_write_pHYs	(	png_structp	png_ptr,
		png_uint_32	x_pixels_per_unit,
		png_uint_32	y_pixels_per_unit,
		int	unit_type
	)

Definition at line 1705 of file pngwutil.c.

◆ png_write_PLTE()

void png_write_PLTE	(	png_structp	png_ptr,
		png_colorp	palette,
		png_uint_32	num_pal
	)

Definition at line 563 of file pngwutil.c.

◆ png_write_sBIT()

void png_write_sBIT	(	png_structp	png_ptr,
		png_color_8p	sbit,
		int	color_type
	)

Definition at line 907 of file pngwutil.c.

◆ png_write_sCAL()

void png_write_sCAL	(	png_structp	png_ptr,
		int	unit,
		double	width,
		double	height
	)

Definition at line 1632 of file pngwutil.c.

◆ png_write_sig()

void png_write_sig ( png_structp png_ptr )

Definition at line 59 of file pngwutil.c.

◆ png_write_sPLT()

void png_write_sPLT	(	png_structp	png_ptr,
		png_sPLT_tp	spalette
	)

Definition at line 823 of file pngwutil.c.

◆ png_write_sRGB()

void png_write_sRGB	(	png_structp	png_ptr,
		int	srgb_intent
	)

Definition at line 729 of file pngwutil.c.

◆ png_write_start_row()

void png_write_start_row ( png_structp png_ptr )

Definition at line 1760 of file pngwutil.c.

◆ png_write_tEXt()

void png_write_tEXt	(	png_structp	png_ptr,
		png_charp	key,
		png_charp	text,
		png_size_t	text_len
	)

Definition at line 1352 of file pngwutil.c.

◆ png_write_tIME()

void png_write_tIME	(	png_structp	png_ptr,
		png_timep	mod_time
	)

Definition at line 1731 of file pngwutil.c.

◆ png_write_tRNS()

void png_write_tRNS	(	png_structp	png_ptr,
		png_bytep	trans,
		png_color_16p	tran,
		int	num_trans,
		int	color_type
	)

Definition at line 1081 of file pngwutil.c.

◆ png_write_zTXt()

void png_write_zTXt	(	png_structp	png_ptr,
		png_charp	key,
		png_charp	text,
		png_size_t	text_len,
		int	compression
	)

Definition at line 1395 of file pngwutil.c.

Classes

Macros

Functions