Color Management. More...

Classes
struct	jas_cmcmptfmt_t
	Component format. More...

struct	jas_cmpixmap_t
	Pixmap (i.e., multicomponent) format. More...

struct	jas_cmpxformops_t
	Transform operations. More...

struct	jas_cmshapmatlut_t
	Shaper matrix look-up table (LUT). More...

struct	jas_cmshapmat_t
	Shaper matrix. More...

struct	jas_cmshaplut_t
	Shaper look-up table (LUT). More...

struct	jas_cmclrspcconv_t
	Color space conversion. More...

struct	jas_cmpxform_s
	Transform class. More...

struct	jas_cmpxformseq_t
	Primitive transform sequence class. More...

struct	jas_cmxform_t
	Primitive transform class. More...

struct	jas_cmprof_t

Macros
#define	JAS_CMXFORM_NUMINTENTS 4
	Number of rendering intents. More...

#define	jas_clrspc_create(fam, mbr) (((fam) << 8) \| (mbr))
	Create a color space. More...

#define	jas_clrspc_fam(clrspc) ((clrspc) >> 8)
	Get the family of a color space. More...

#define	jas_clrspc_mbr(clrspc) ((clrspc) & 0xff)
	Get the (family) member of a color space. More...

#define	jas_clrspc_isgeneric(clrspc) (!jas_clrspc_mbr(clrspc))
	Test if a color space is generic. More...

#define	jas_clrspc_isunknown(clrspc) ((clrspc) & JAS_CLRSPC_UNKNOWNMASK)
	Test if a color space is unknown. More...

#define	JAS_CLRSPC_FAM_UNKNOWN 0
	Color space families. More...

#define	JAS_CLRSPC_UNKNOWN JAS_CLRSPC_UNKNOWNMASK
	Specific color spaces. More...

#define	JAS_CLRSPC_GENRGB jas_clrspc_create(JAS_CLRSPC_FAM_RGB, 0)
	Generic color spaces. More...

#define	jas_cmprof_clrspc(prof) ((prof)->clrspc)
	Get the color space associated with a color-management profile. More...

Typedefs
typedef unsigned	jas_clrspc_t
	Color space. More...

typedef double	jas_cmreal_t

typedef struct jas_cmpxform_s	jas_cmpxform_t
	Transform class. More...

Enumerations
enum	jas_cmxform_op_t
	Transform operations. More...

enum	jas_cmxform_intent_t
	Rendering intents. More...

enum	jas_cmxform_optm_t
	Transform optimization. More...

Functions
JAS_EXPORT jas_cmprof_t *	jas_cmprof_createfromiccprof (const jas_iccprof_t *iccprof)
	Create a color-management profile from an ICC profile. More...

JAS_EXPORT jas_cmprof_t *	jas_cmprof_createfromclrspc (jas_clrspc_t clrspc)
	Create a color-management profile from a color space. More...

JAS_EXPORT void	jas_cmprof_destroy (jas_cmprof_t *prof)
	Destroy a color-management profile. More...

JAS_EXPORT jas_cmprof_t *	jas_cmprof_copy (const jas_cmprof_t *prof)
	Copy a color-management profile. More...

JAS_EXPORT jas_iccprof_t *	jas_iccprof_createfromcmprof (const jas_cmprof_t *prof)
	Create a ICC profile from a CM profile. More...

JAS_EXPORT jas_cmxform_t *	jas_cmxform_create (const jas_cmprof_t inprof, const jas_cmprof_t outprof, const jas_cmprof_t *proofprof, jas_cmxform_op_t op, jas_cmxform_intent_t intent, jas_cmxform_optm_t optimize)
	Create a transform from a CM profile. More...

JAS_EXPORT void	jas_cmxform_destroy (jas_cmxform_t *xform)
	Destroy a transform. More...

JAS_EXPORT int	jas_cmxform_apply (const jas_cmxform_t xform, const jas_cmpixmap_t in, jas_cmpixmap_t *out)
	Apply a transform to data. More...

unsigned	jas_clrspc_numchans (jas_clrspc_t clrspc)
	Get the number of channels associated with a particular color space. More...

JAS_EXPORT jas_iccprof_t *	jas_iccprof_load (jas_stream_t *in)
	Read an ICC profile from a stream. More...

JAS_EXPORT int	jas_iccprof_save (jas_iccprof_t prof, jas_stream_t out)
	Write an ICC profile to a stream. More...

JAS_EXPORT void	jas_iccprof_destroy (jas_iccprof_t *prof)
	Destroy an ICC profile. More...

JAS_ATTRIBUTE_PURE JAS_EXPORT jas_iccattrval_t *	jas_iccprof_getattr (const jas_iccprof_t *prof, jas_iccattrname_t name)
	Get an attribute of an ICC profile. More...

JAS_EXPORT int	jas_iccprof_setattr (jas_iccprof_t prof, jas_iccattrname_t name, jas_iccattrval_t val)
	Set an attribute of an ICC profile. More...

JAS_EXPORT void	jas_iccprof_dump (const jas_iccprof_t prof, FILE out)
	Dump an ICC profile to a stream in human-readable format for debugging purposes. More...

JAS_EXPORT jas_iccprof_t *	jas_iccprof_copy (const jas_iccprof_t *prof)
	Create a copy of an ICC profile. More...

JAS_EXPORT int	jas_iccprof_gethdr (const jas_iccprof_t prof, jas_icchdr_t hdr)
	Get the header for an ICC profile. More...

JAS_EXPORT int	jas_iccprof_sethdr (jas_iccprof_t prof, const jas_icchdr_t hdr)
	Set the header for an ICC profile. More...

JAS_EXPORT void	jas_iccattrval_destroy (jas_iccattrval_t *attrval)
	Destroy an ICC profile attribute. More...

JAS_EXPORT int	jas_iccattrval_allowmodify (jas_iccattrval_t **attrval)
	TODO/FIXME. More...

JAS_EXPORT jas_iccattrval_t *	jas_iccattrval_clone (jas_iccattrval_t *attrval)
	Create a copy of an ICC profile attribute. More...

JAS_EXPORT jas_iccattrval_t *	jas_iccattrval_create (jas_iccuint32_t type)
	Create an ICC profile attribute. More...

JAS_EXPORT void	jas_iccattrtab_dump (const jas_iccattrtab_t attrtab, FILE out)
	Dump an ICC profile attribute to a stream in human-readable format for debugging purposes. More...

JAS_EXPORT jas_iccprof_t *	jas_iccprof_createfrombuf (const jas_uchar *buf, unsigned len)
	Create an ICC profile from a buffer in memory. More...

JAS_EXPORT jas_iccprof_t *	jas_iccprof_createfromclrspc (unsigned clrspc)
	Create an ICC profile from a color space. More...

Detailed Description

Color Management.

General information can be found here.

Macro Definition Documentation

◆ jas_clrspc_create

#define jas_clrspc_create	(	fam,
		mbr
	)	(((fam) << 8) \| (mbr))

Create a color space.

◆ jas_clrspc_fam

#define jas_clrspc_fam ( clrspc ) ((clrspc) >> 8)

Get the family of a color space.

◆ JAS_CLRSPC_FAM_UNKNOWN

#define JAS_CLRSPC_FAM_UNKNOWN 0

Color space families.

◆ JAS_CLRSPC_GENRGB

#define JAS_CLRSPC_GENRGB jas_clrspc_create(JAS_CLRSPC_FAM_RGB, 0)

Generic color spaces.

◆ jas_clrspc_isgeneric

#define jas_clrspc_isgeneric ( clrspc ) (!jas_clrspc_mbr(clrspc))

Test if a color space is generic.

◆ jas_clrspc_isunknown

#define jas_clrspc_isunknown ( clrspc ) ((clrspc) & JAS_CLRSPC_UNKNOWNMASK)

Test if a color space is unknown.

◆ jas_clrspc_mbr

#define jas_clrspc_mbr ( clrspc ) ((clrspc) & 0xff)

Get the (family) member of a color space.

◆ JAS_CLRSPC_UNKNOWN

#define JAS_CLRSPC_UNKNOWN JAS_CLRSPC_UNKNOWNMASK

Specific color spaces.

◆ jas_cmprof_clrspc

#define jas_cmprof_clrspc ( prof ) ((prof)->clrspc)

Get the color space associated with a color-management profile.

Returns

◆ JAS_CMXFORM_NUMINTENTS

#define JAS_CMXFORM_NUMINTENTS 4

Number of rendering intents.

Typedef Documentation

◆ jas_clrspc_t

typedef unsigned jas_clrspc_t

Color space.

◆ jas_cmpxform_t

typedef struct jas_cmpxform_s jas_cmpxform_t

Transform class.

◆ jas_cmreal_t

typedef double jas_cmreal_t

Real-number type.

Enumeration Type Documentation

◆ jas_cmxform_intent_t

enum jas_cmxform_intent_t

Rendering intents.

◆ jas_cmxform_op_t

enum jas_cmxform_op_t

Transform operations.

◆ jas_cmxform_optm_t

enum jas_cmxform_optm_t

Transform optimization.

Function Documentation

◆ jas_clrspc_numchans()

unsigned jas_clrspc_numchans ( jas_clrspc_t clrspc )

Get the number of channels associated with a particular color space.

Returns

◆ jas_cmprof_copy()

JAS_EXPORT jas_cmprof_t* jas_cmprof_copy ( const jas_cmprof_t * prof )

Copy a color-management profile.

This function creates a clone (i.e., copy) of a CM profile.

Returns: If successful, a pointer to the newly created CM profile is returned. Otherwise, a null pointer is returned.

◆ jas_cmprof_createfromclrspc()

JAS_EXPORT jas_cmprof_t* jas_cmprof_createfromclrspc ( jas_clrspc_t clrspc )

Create a color-management profile from a color space.

The function creates a CM profile from a color space.

Returns: If successful, a pointer to the created CM profile is returned. Otherwise, a null pointer is returned.

◆ jas_cmprof_createfromiccprof()

JAS_EXPORT jas_cmprof_t* jas_cmprof_createfromiccprof ( const jas_iccprof_t * iccprof )

Create a color-management profile from an ICC profile.

This function creates a CM profile from an ICC profile.

Returns: If successful, a pointer to the created CM profile is returned. Otherwise, a null pointer is returned.

◆ jas_cmprof_destroy()

JAS_EXPORT void jas_cmprof_destroy ( jas_cmprof_t * prof )

Destroy a color-management profile.

◆ jas_cmxform_apply()

JAS_EXPORT int jas_cmxform_apply	(	const jas_cmxform_t *	xform,
		const jas_cmpixmap_t *	in,
		jas_cmpixmap_t *	out
	)

Apply a transform to data.

Returns: If successful, zero is returned. Otherwise, a nonzero value is returned.

◆ jas_cmxform_create()

JAS_EXPORT jas_cmxform_t* jas_cmxform_create	(	const jas_cmprof_t *	inprof,
		const jas_cmprof_t *	outprof,
		const jas_cmprof_t *	proofprof,
		jas_cmxform_op_t	op,
		jas_cmxform_intent_t	intent,
		jas_cmxform_optm_t	optimize
	)

Create a transform from a CM profile.

Returns: If successful, a pointer to the created transform is returned. Otherwise, a null pointer is returned.

◆ jas_cmxform_destroy()

JAS_EXPORT void jas_cmxform_destroy ( jas_cmxform_t * xform )

Destroy a transform.

◆ jas_iccattrtab_dump()

JAS_EXPORT void jas_iccattrtab_dump	(	const jas_iccattrtab_t *	attrtab,
		FILE *	out
	)

Dump an ICC profile attribute to a stream in human-readable format for debugging purposes.

◆ jas_iccattrval_allowmodify()

JAS_EXPORT int jas_iccattrval_allowmodify ( jas_iccattrval_t ** attrval )

TODO/FIXME.

◆ jas_iccattrval_clone()

JAS_EXPORT jas_iccattrval_t* jas_iccattrval_clone ( jas_iccattrval_t * attrval )

Create a copy of an ICC profile attribute.

◆ jas_iccattrval_create()

JAS_EXPORT jas_iccattrval_t* jas_iccattrval_create ( jas_iccuint32_t type )

Create an ICC profile attribute.

◆ jas_iccattrval_destroy()

JAS_EXPORT void jas_iccattrval_destroy ( jas_iccattrval_t * attrval )

Destroy an ICC profile attribute.

◆ jas_iccprof_copy()

JAS_EXPORT jas_iccprof_t* jas_iccprof_copy ( const jas_iccprof_t * prof )

Create a copy of an ICC profile.

◆ jas_iccprof_createfrombuf()

JAS_EXPORT jas_iccprof_t* jas_iccprof_createfrombuf	(	const jas_uchar *	buf,
		unsigned	len
	)

Create an ICC profile from a buffer in memory.

◆ jas_iccprof_createfromclrspc()

JAS_EXPORT jas_iccprof_t* jas_iccprof_createfromclrspc ( unsigned clrspc )

Create an ICC profile from a color space.

◆ jas_iccprof_createfromcmprof()

JAS_EXPORT jas_iccprof_t* jas_iccprof_createfromcmprof ( const jas_cmprof_t * prof )

Create a ICC profile from a CM profile.

This function creates an ICC profile from a CM profile.

Returns: If successful, a pointer to the created ICC profile is returned. Otherwise, a null pointer is returned.

◆ jas_iccprof_destroy()

JAS_EXPORT void jas_iccprof_destroy ( jas_iccprof_t * prof )

Destroy an ICC profile.

◆ jas_iccprof_dump()

JAS_EXPORT void jas_iccprof_dump	(	const jas_iccprof_t *	prof,
		FILE *	out
	)

Dump an ICC profile to a stream in human-readable format for debugging purposes.

◆ jas_iccprof_getattr()

JAS_ATTRIBUTE_PURE JAS_EXPORT jas_iccattrval_t* jas_iccprof_getattr	(	const jas_iccprof_t *	prof,
		jas_iccattrname_t	name
	)

Get an attribute of an ICC profile.

◆ jas_iccprof_gethdr()

JAS_EXPORT int jas_iccprof_gethdr	(	const jas_iccprof_t *	prof,
		jas_icchdr_t *	hdr
	)

Get the header for an ICC profile.

◆ jas_iccprof_load()

JAS_EXPORT jas_iccprof_t* jas_iccprof_load ( jas_stream_t * in )

Read an ICC profile from a stream.

◆ jas_iccprof_save()

JAS_EXPORT int jas_iccprof_save	(	jas_iccprof_t *	prof,
		jas_stream_t *	out
	)

Write an ICC profile to a stream.

◆ jas_iccprof_setattr()

JAS_EXPORT int jas_iccprof_setattr	(	jas_iccprof_t *	prof,
		jas_iccattrname_t	name,
		jas_iccattrval_t *	val
	)

Set an attribute of an ICC profile.

◆ jas_iccprof_sethdr()

JAS_EXPORT int jas_iccprof_sethdr	(	jas_iccprof_t *	prof,
		const jas_icchdr_t *	hdr
	)

Set the header for an ICC profile.

Classes

Macros

Typedefs

Enumerations

Functions