radiance_hdr.c File Reference

#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "imbuf.h"
#include "IMB_imbuf_types.h"
#include "IMB_imbuf.h"
#include "IMB_allocimbuf.h"
#include "IMB_filetype.h"

Go to the source code of this file.

Defines
#define	MINELEN   8
#define	MAXELEN   0x7fff
#define	MINRUN   4
#define	RED   0
#define	GRN   1
#define	BLU   2
#define	EXP   3
#define	COLXS   128
#define	STR_MAX   540
#define	copy_rgbe(c1, c2)   (c2[RED]=c1[RED], c2[GRN]=c1[GRN], c2[BLU]=c1[BLU], c2[EXP]=c1[EXP])
#define	copy_fcol(f1, f2)   (f2[RED]=f1[RED], f2[GRN]=f1[GRN], f2[BLU]=f1[BLU])
Typedefs
typedef unsigned char	RGBE [4]
typedef float	fCOLOR [3]
Functions
static unsigned char *	oldreadcolrs (RGBE *scan, unsigned char *mem, int xmax)
static unsigned char *	freadcolrs (RGBE *scan, unsigned char *mem, int xmax)
static void	RGBE2FLOAT (RGBE rgbe, fCOLOR fcol)
static void	FLOAT2RGBE (fCOLOR fcol, RGBE rgbe)
int	imb_is_a_hdr (unsigned char *buf)
struct ImBuf *	imb_loadhdr (unsigned char *mem, size_t size, int flags)
static int	fwritecolrs (FILE *file, int width, int channels, unsigned char *ibufscan, float *fpscan)
static void	writeHeader (FILE *file, int width, int height)
int	imb_savehdr (struct ImBuf *ibuf, const char *name, int flags)

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Detailed Description

Definition in file radiance_hdr.c.

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Define Documentation

#define BLU   2

Definition at line 62 of file radiance_hdr.c.

Referenced by FLOAT2RGBE(), freadcolrs(), fwritecolrs(), imb_loadhdr(), oldreadcolrs(), and RGBE2FLOAT().

#define COLXS   128

Definition at line 64 of file radiance_hdr.c.

Referenced by FLOAT2RGBE(), and RGBE2FLOAT().

#define copy_fcol	(		f1,
			f2
	)		(f2[RED]=f1[RED], f2[GRN]=f1[GRN], f2[BLU]=f1[BLU])

Definition at line 70 of file radiance_hdr.c.

#define copy_rgbe	(		c1,
			c2
	)		(c2[RED]=c1[RED], c2[GRN]=c1[GRN], c2[BLU]=c1[BLU], c2[EXP]=c1[EXP])

Definition at line 69 of file radiance_hdr.c.

Referenced by fwritecolrs(), and oldreadcolrs().

#define EXP   3

Definition at line 63 of file radiance_hdr.c.

Referenced by FLOAT2RGBE(), oldreadcolrs(), and RGBE2FLOAT().

#define GRN   1

Definition at line 61 of file radiance_hdr.c.

Referenced by FLOAT2RGBE(), freadcolrs(), fwritecolrs(), imb_loadhdr(), oldreadcolrs(), and RGBE2FLOAT().

#define MAXELEN   0x7fff

Definition at line 58 of file radiance_hdr.c.

Referenced by freadcolrs(), and fwritecolrs().

#define MINELEN   8

Definition at line 57 of file radiance_hdr.c.

Referenced by freadcolrs(), and fwritecolrs().

#define MINRUN   4

Definition at line 59 of file radiance_hdr.c.

Referenced by fwritecolrs().

#define RED   0

Definition at line 60 of file radiance_hdr.c.

Referenced by FLOAT2RGBE(), fwritecolrs(), imb_loadhdr(), oldreadcolrs(), and RGBE2FLOAT().

#define STR_MAX   540

Definition at line 65 of file radiance_hdr.c.

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Typedef Documentation

typedef float fCOLOR[3]

Definition at line 67 of file radiance_hdr.c.

typedef unsigned char RGBE[4]

Definition at line 66 of file radiance_hdr.c.

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Function Documentation

static void FLOAT2RGBE	(	fCOLOR	fcol,
		RGBE	rgbe
	)		[static]

Definition at line 146 of file radiance_hdr.c.

References BLU, COLXS, simple_enum_gen::d, credits_svn_gen::e, EXP, GRN, and RED.

Referenced by fwritecolrs().

static unsigned char* freadcolrs	(	RGBE *	scan,
		unsigned char *	mem,
		int	xmax
	)		[static]

Definition at line 98 of file radiance_hdr.c.

References BLU, GRN, i, MAXELEN, MINELEN, NULL, oldreadcolrs(), and simple_enum_gen::val.

Referenced by imb_loadhdr().

static int fwritecolrs	(	FILE *	file,
		int	width,
		int	channels,
		unsigned char *	ibufscan,
		float *	fpscan
	)		[static]

Definition at line 249 of file radiance_hdr.c.

References BLU, ImBuf::channels, copy_rgbe, FLOAT2RGBE(), GRN, i, MAXELEN, MEM_freeN(), MEM_mallocN(), MINELEN, MINRUN, NULL, RED, and ImBuf::x.

Referenced by imb_savehdr().

int imb_is_a_hdr

(

unsigned char *

buf

)

Definition at line 164 of file radiance_hdr.c.

Referenced by imb_loadhdr().

struct ImBuf* imb_loadhdr	(	unsigned char *	mem,
		size_t	size,
		int	flags
	)		[read]

Definition at line 174 of file radiance_hdr.c.

References BLU, freadcolrs(), ImBuf::ftype, GRN, IB_PROFILE_LINEAR_RGB, IB_rect, IB_rectfloat, IB_test, IMB_allocImBuf(), IMB_flipy(), imb_is_a_hdr(), IMB_rect_from_float(), MEM_freeN(), MEM_mallocN(), NULL, ImBuf::profile, ImBuf::rect_float, RED, RGBE2FLOAT(), size(), ImBuf::x, and ImBuf::y.

int imb_savehdr	(	struct ImBuf *	ibuf,
		const char *	name,
		int	flags
	)

Definition at line 334 of file radiance_hdr.c.

References ImBuf::channels, fwritecolrs(), NULL, ImBuf::rect, ImBuf::rect_float, writeHeader(), ImBuf::x, and ImBuf::y.

static unsigned char* oldreadcolrs	(	RGBE *	scan,
		unsigned char *	mem,
		int	xmax
	)		[static]

Definition at line 73 of file radiance_hdr.c.

References BLU, copy_rgbe, EXP, GRN, i, len(), and RED.

Referenced by freadcolrs().

static void RGBE2FLOAT	(	RGBE	rgbe,
		fCOLOR	fcol
	)		[static]

Definition at line 132 of file radiance_hdr.c.

References BLU, COLXS, EXP, GRN, and RED.

Referenced by imb_loadhdr().

static void writeHeader	(	FILE *	file,
		int	width,
		int	height
	)		[static]

Definition at line 319 of file radiance_hdr.c.

Referenced by imb_savehdr().