#include <bitmap.h>

Classes
struct	write_context

Public Types
typedef unsigned int	iw_uint32

typedef int	iw_uint32_size_check[sizeof(iw_uint32)==4 ? 1 :-1]

Static Public Member Functions
static void	set_flip_vertically_on_write (int flag)

static void	write_start_callbacks (write_context s, write_func_t c, void context)

static void	write_stdio_callback (void context, void data, int size)

static FILE *	open_file (char const filename, char const mode)

static int	write_start_file (write_context s, const char filename)

static void	write_end_file (write_context *s)

static void	write_formatted_v (write_context s, const char fmt, va_list v)

static void	write_formatted (write_context s, const char fmt,...)

static void	write_flush (write_context *s)

static void	write_putc (write_context *s, unsigned char c)

static void	write_u8 (write_context *s, unsigned char a)

static void	write_u8x3 (write_context *s, unsigned char a, unsigned char b, unsigned char c)

static void	write_pixel (write_context s, int rgb_dir, int comp, int write_alpha, int expand_mono, unsigned char d)

static void	write_pixels (write_context s, int rgb_dir, int vdir, int x, int y, int comp, void data, int write_alpha, int scanline_pad, int expand_mono)

static int	outfile (write_context s, int rgb_dir, int vdir, int x, int y, int comp, int expand_mono, void data, int alpha, int pad, const char *fmt,...)

static int	write_bmp_core (write_context s, int x, int y, int comp, const void data)

static int	write_bmp_to_func (write_func_t func, void context, int x, int y, int comp, const void data)

static int	write_bmp (char const filename, int x, int y, int comp, const void data)

static int	write_tga_core (write_context s, int x, int y, int comp, void data)
	NOVASVG_IW_NO_STDIO.

static int	write_tga_to_func (write_func_t func, void context, int x, int y, int comp, const void data)

static int	write_tga (char const filename, int x, int y, int comp, const void data)

static void	hdr_linear_to_rgbe (unsigned char rgbe, float linear)

static void	hdr_write_run_data (write_context *s, int length, unsigned char databyte)

static void	hdr_write_dump_data (write_context s, int length, unsigned char data)

static void	hdr_write_scanline (write_context s, int width, int ncomp, unsigned char scratch, float *scanline)

static int	write_hdr_core (write_context s, int x, int y, int comp, float data)

static int	write_hdr_to_func (write_func_t func, void context, int x, int y, int comp, const float data)

static int	write_hdr (char const filename, int x, int y, int comp, const float data)

static void *	sb_growf (void **arr, int increment, int itemsize)

static unsigned char *	zlib_flushf (unsigned char data, unsigned int bitbuffer, int *bitcount)

static int	zlib_bitrev (int code, int codebits)

static unsigned int	zlib_countm (unsigned char a, unsigned char b, int limit)

static unsigned int	g_zlib_hash_table (unsigned char *data)

static unsigned char *	zlib_compress (unsigned char data, int data_len, int out_len, int quality)

static unsigned int	png_crc32 (unsigned char *buffer, int len)

static void	png_write_crc (unsigned char **data, int len)

static unsigned char	png_paeth_predictor (int a, int b, int c)

static void	png_encode_line (unsigned char pixels, int stride_bytes, int width, int height, int y, int n, int filter_type, signed char line_buffer)

static unsigned char *	write_png_to_mem (const unsigned char pixels, int stride_bytes, int x, int y, int n, int out_len)

static int	write_png (char const filename, int x, int y, int comp, const void data, int stride_bytes)

static int	write_png_to_func (write_func_t func, void context, int x, int y, int comp, const void data, int stride_bytes)

static void	jpg_write_bits (write_context s, int bitBufP, int bitCntP, const unsigned short bs)

static void	jpg_dct (float d0p, float d1p, float d2p, float d3p, float d4p, float d5p, float d6p, float d7p)

static void	jpg_calc_bits (int val, unsigned short bits[2])

static int	jpg_process_du (write_context s, int bitBuf, int bitCnt, float CDU, int du_stride, float *fdtbl, int DC, const unsigned short HTDC[256][2], const unsigned short HTAC[256][2])

static int	write_jpg_core (write_context s, int width, int height, int comp, const void data, int quality)

static int	write_jpg_to_func (write_func_t func, void context, int x, int y, int comp, const void data, int quality)

static int	write_jpg (char const filename, int x, int y, int comp, const void data, int quality)

Static Public Attributes
static int	g_png_compression_level = 8

static int	g_tga_with_rle = 1

static int	g_png_force_filter = -1

static int	g_flip_vertically_on_write = 0

static const unsigned char	jpg_zig_zag []

Detailed Description

Definition at line 217 of file bitmap.h.

Member Typedef Documentation

◆ iw_uint32

typedef unsigned int novasvg::BitmapCodec::iw_uint32

Definition at line 353 of file bitmap.h.

◆ iw_uint32_size_check

typedef int novasvg::BitmapCodec::iw_uint32_size_check[sizeof(iw_uint32)==4 ? 1 :-1]

Definition at line 354 of file bitmap.h.

Member Function Documentation

◆ g_zlib_hash_table()

static unsigned int novasvg::BitmapCodec::g_zlib_hash_table ( unsigned char * data )

inlinestatic

Definition at line 874 of file bitmap.h.

Referenced by zlib_compress().

◆ hdr_linear_to_rgbe()

static void novasvg::BitmapCodec::hdr_linear_to_rgbe	(	unsigned char *	rgbe,
		float *	linear
	)

inlinestatic

Definition at line 646 of file bitmap.h.

References iw_max.

Referenced by hdr_write_scanline().

◆ hdr_write_dump_data()

static void novasvg::BitmapCodec::hdr_write_dump_data	(	write_context *	s,
		int	length,
		unsigned char *	data
	)

inlinestatic

Definition at line 671 of file bitmap.h.

References novasvg::BitmapCodec::write_context::context, novasvg::BitmapCodec::write_context::func, NOVASVG_IW_ASSERT, and NOVASVG_IW_UCHAR.

Referenced by hdr_write_scanline().

◆ hdr_write_run_data()

static void novasvg::BitmapCodec::hdr_write_run_data	(	write_context *	s,
		int	length,
		unsigned char	databyte
	)

inlinestatic

Definition at line 663 of file bitmap.h.

References novasvg::BitmapCodec::write_context::context, novasvg::BitmapCodec::write_context::func, NOVASVG_IW_ASSERT, and NOVASVG_IW_UCHAR.

Referenced by hdr_write_scanline().

◆ hdr_write_scanline()

static void novasvg::BitmapCodec::hdr_write_scanline	(	write_context *	s,
		int	width,
		int	ncomp,
		unsigned char *	scratch,
		float *	scanline
	)

inlinestatic

Definition at line 679 of file bitmap.h.

References novasvg::BitmapCodec::write_context::context, novasvg::BitmapCodec::write_context::func, hdr_linear_to_rgbe(), hdr_write_dump_data(), and hdr_write_run_data().

Referenced by write_hdr_core().

◆ jpg_calc_bits()

static void novasvg::BitmapCodec::jpg_calc_bits	(	int	val,
		unsigned short	bits[2]
	)

inlinestatic

Definition at line 1325 of file bitmap.h.

Referenced by jpg_process_du().

◆ jpg_dct()

static void novasvg::BitmapCodec::jpg_dct	(	float *	d0p,
		float *	d1p,
		float *	d2p,
		float *	d3p,
		float *	d4p,
		float *	d5p,
		float *	d6p,
		float *	d7p
	)

inlinestatic

Definition at line 1277 of file bitmap.h.

Referenced by jpg_process_du().

◆ jpg_process_du()

static int novasvg::BitmapCodec::jpg_process_du	(	write_context *	s,
		int *	bitBuf,
		int *	bitCnt,
		float *	CDU,
		int	du_stride,
		float *	fdtbl,
		int	DC,
		const unsigned short	HTDC[256][2],
		const unsigned short	HTAC[256][2]
	)

inlinestatic

Definition at line 1335 of file bitmap.h.

References jpg_calc_bits(), jpg_dct(), jpg_write_bits(), and jpg_zig_zag.

Referenced by write_jpg_core().

◆ jpg_write_bits()

static void novasvg::BitmapCodec::jpg_write_bits	(	write_context *	s,
		int *	bitBufP,
		int *	bitCntP,
		const unsigned short *	bs
	)

inlinestatic

Definition at line 1260 of file bitmap.h.

References write_putc().

Referenced by jpg_process_du(), and write_jpg_core().

◆ open_file()

static FILE * novasvg::BitmapCodec::open_file	(	char const *	filename,
		char const *	mode
	)

inlinestatic

Definition at line 311 of file bitmap.h.

Referenced by write_png(), and write_start_file().

◆ outfile()

static int novasvg::BitmapCodec::outfile	(	write_context *	s,
		int	rgb_dir,
		int	vdir,
		int	x,
		int	y,
		int	comp,
		int	expand_mono,
		void *	data,
		int	alpha,
		int	pad,
		const char *	fmt,
			...
	)

inlinestatic

Definition at line 485 of file bitmap.h.

References write_formatted_v(), and write_pixels().

Referenced by write_bmp_core(), and write_tga_core().

◆ png_crc32()

static unsigned int novasvg::BitmapCodec::png_crc32	(	unsigned char *	buffer,
		int	len
	)

inlinestatic

Definition at line 1031 of file bitmap.h.

Referenced by png_write_crc().

◆ png_encode_line()

static void novasvg::BitmapCodec::png_encode_line	(	unsigned char *	pixels,
		int	stride_bytes,
		int	width,
		int	height,
		int	y,
		int	n,
		int	filter_type,
		signed char *	line_buffer
	)

inlinestatic

Definition at line 1099 of file bitmap.h.

References g_flip_vertically_on_write, and png_paeth_predictor().

Referenced by write_png_to_mem().

◆ png_paeth_predictor()

static unsigned char novasvg::BitmapCodec::png_paeth_predictor	(	int	a,
		int	b,
		int	c
	)

inlinestatic

Definition at line 1090 of file bitmap.h.

References NOVASVG_IW_UCHAR.

Referenced by png_encode_line().

◆ png_write_crc()

static void novasvg::BitmapCodec::png_write_crc	(	unsigned char **	data,
		int	len
	)

inlinestatic

Definition at line 1084 of file bitmap.h.

References png_crc32(), and zlib_write_u32.

Referenced by write_png_to_mem().

◆ sb_growf()

static void * novasvg::BitmapCodec::sb_growf	(	void **	arr,
		int	increment,
		int	itemsize
	)

inlinestatic

Definition at line 833 of file bitmap.h.

References NOVASVG_IW_ASSERT, NOVASVG_IW_REALLOC_SIZED, sb_m, and sb_raw.

◆ set_flip_vertically_on_write()

static void novasvg::BitmapCodec::set_flip_vertically_on_write ( int flag )

inlinestatic

Definition at line 269 of file bitmap.h.

References g_flip_vertically_on_write.

◆ write_bmp()

static int novasvg::BitmapCodec::write_bmp	(	char const *	filename,
		int	x,
		int	y,
		int	comp,
		const void *	data
	)

inlinestatic

Definition at line 527 of file bitmap.h.

References write_bmp_core(), write_end_file(), and write_start_file().

Referenced by novasvg::Bitmap::writeToBmp().

◆ write_bmp_core()

static int novasvg::BitmapCodec::write_bmp_core	(	write_context *	s,
		int	x,
		int	y,
		int	comp,
		const void *	data
	)

inlinestatic

Definition at line 499 of file bitmap.h.

References outfile().

Referenced by write_bmp(), and write_bmp_to_func().

◆ write_bmp_to_func()

static int novasvg::BitmapCodec::write_bmp_to_func	(	write_func_t	func,
		void *	context,
		int	x,
		int	y,
		int	comp,
		const void *	data
	)

inlinestatic

Definition at line 519 of file bitmap.h.

References write_bmp_core(), and write_start_callbacks().

Referenced by novasvg::Bitmap::writeToBmp().

◆ write_end_file()

static void novasvg::BitmapCodec::write_end_file ( write_context * s )

inlinestatic

Definition at line 346 of file bitmap.h.

References novasvg::BitmapCodec::write_context::context.

Referenced by write_bmp(), write_hdr(), write_jpg(), and write_tga().

◆ write_flush()

static void novasvg::BitmapCodec::write_flush ( write_context * s )

inlinestatic

Definition at line 393 of file bitmap.h.

References novasvg::BitmapCodec::write_context::buf_used, novasvg::BitmapCodec::write_context::buffer, novasvg::BitmapCodec::write_context::context, and novasvg::BitmapCodec::write_context::func.

Referenced by write_pixels(), write_tga_core(), write_u8(), and write_u8x3().

◆ write_formatted()

static void novasvg::BitmapCodec::write_formatted	(	write_context *	s,
		const char *	fmt,
			...
	)

inlinestatic

Definition at line 385 of file bitmap.h.

References write_formatted_v().

Referenced by write_tga_core().

◆ write_formatted_v()

static void novasvg::BitmapCodec::write_formatted_v	(	write_context *	s,
		const char *	fmt,
		va_list	v
	)

inlinestatic

Definition at line 356 of file bitmap.h.

References novasvg::BitmapCodec::write_context::context, novasvg::BitmapCodec::write_context::func, NOVASVG_IW_ASSERT, and NOVASVG_IW_UCHAR.

Referenced by outfile(), and write_formatted().

◆ write_hdr()

static int novasvg::BitmapCodec::write_hdr	(	char const *	filename,
		int	x,
		int	y,
		int	comp,
		const float *	data
	)

inlinestatic

Definition at line 801 of file bitmap.h.

References write_end_file(), write_hdr_core(), and write_start_file().

◆ write_hdr_core()

static int novasvg::BitmapCodec::write_hdr_core	(	write_context *	s,
		int	x,
		int	y,
		int	comp,
		float *	data
	)

inlinestatic

Definition at line 768 of file bitmap.h.

References novasvg::BitmapCodec::write_context::context, novasvg::BitmapCodec::write_context::func, g_flip_vertically_on_write, hdr_write_scanline(), NOVASVG_IW_FREE, and NOVASVG_IW_MALLOC.

Referenced by write_hdr(), and write_hdr_to_func().

◆ write_hdr_to_func()

static int novasvg::BitmapCodec::write_hdr_to_func	(	write_func_t	func,
		void *	context,
		int	x,
		int	y,
		int	comp,
		const float *	data
	)

inlinestatic

Definition at line 794 of file bitmap.h.

References write_hdr_core(), and write_start_callbacks().

◆ write_jpg()

static int novasvg::BitmapCodec::write_jpg	(	char const *	filename,
		int	x,
		int	y,
		int	comp,
		const void *	data,
		int	quality
	)

inlinestatic

Definition at line 1623 of file bitmap.h.

References write_end_file(), write_jpg_core(), and write_start_file().

Referenced by novasvg::Bitmap::writeToJpg().

◆ write_jpg_core()

static int novasvg::BitmapCodec::write_jpg_core	(	write_context *	s,
		int	width,
		int	height,
		int	comp,
		const void *	data,
		int	quality
	)

inlinestatic

Definition at line 1405 of file bitmap.h.

References novasvg::BitmapCodec::write_context::context, novasvg::BitmapCodec::write_context::func, g_flip_vertically_on_write, jpg_process_du(), jpg_write_bits(), jpg_zig_zag, NOVASVG_IW_UCHAR, write_putc(), and novasvg::Y.

Referenced by write_jpg(), and write_jpg_to_func().

◆ write_jpg_to_func()

static int novasvg::BitmapCodec::write_jpg_to_func	(	write_func_t	func,
		void *	context,
		int	x,
		int	y,
		int	comp,
		const void *	data,
		int	quality
	)

inlinestatic

Definition at line 1614 of file bitmap.h.

References write_jpg_core(), and write_start_callbacks().

Referenced by novasvg::Bitmap::writeToJpg().

◆ write_pixel()

static void novasvg::BitmapCodec::write_pixel	(	write_context *	s,
		int	rgb_dir,
		int	comp,
		int	write_alpha,
		int	expand_mono,
		unsigned char *	d
	)

inlinestatic

Definition at line 425 of file bitmap.h.

References write_u8(), and write_u8x3().

Referenced by write_pixels(), and write_tga_core().

◆ write_pixels()

static void novasvg::BitmapCodec::write_pixels	(	write_context *	s,
		int	rgb_dir,
		int	vdir,
		int	x,
		int	y,
		int	comp,
		void *	data,
		int	write_alpha,
		int	scanline_pad,
		int	expand_mono
	)