[occt.git] / src / Image / Image_Color.hxx

// Created on: 2012-07-18
// Created by: Kirill GAVRILOV
// Copyright (c) 2012-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#ifndef _Image_Color_H__
#define _Image_Color_H__

#include <Standard.hxx>

//! POD structure for packed RGB color value (3 bytes)
struct Image_ColorRGB
{

  //! Component type.
  typedef Standard_Byte ComponentType_t;

  //! Returns the number of components.
  static Standard_Integer Length()
  {
    return 3;
  }

public: // access methods

  //! Alias to 1st component (red intensity).
  Standard_Byte r() const { return v[0]; }

  //! Alias to 2nd component (green intensity).
  Standard_Byte g() const { return v[1]; }

  //! Alias to 3rd component (blue intensity).
  Standard_Byte b() const { return v[2]; }

  //! Alias to 1st component (red intensity).
  Standard_Byte& r() { return v[0]; }

  //! Alias to 2nd component (green intensity).
  Standard_Byte& g() { return v[1]; }

  //! Alias to 3rd component (blue intensity).
  Standard_Byte& b() { return v[2]; }

public:

  Standard_Byte v[3];

};

//! POD structure for packed RGB color value (4 bytes with extra byte for alignment)
struct Image_ColorRGB32
{

  //! Component type.
  typedef Standard_Byte ComponentType_t;

  //! Returns the number of components.
  static Standard_Integer Length()
  {
    return 3;
  }

  //! Alias to 1st component (red intensity).
  Standard_Byte r() const { return v[0]; }

  //! Alias to 2nd component (green intensity).
  Standard_Byte g() const { return v[1]; }

  //! Alias to 3rd component (blue intensity).
  Standard_Byte b() const { return v[2]; }

  //! Alias to 4th component (dummy).
  Standard_Byte a_() const { return v[3]; }

  //! Alias to 1st component (red intensity).
  Standard_Byte& r() { return v[0]; }

  //! Alias to 2nd component (green intensity).
  Standard_Byte& g() { return v[1]; }

  //! Alias to 3rd component (blue intensity).
  Standard_Byte& b() { return v[2]; }

  //! Alias to 4th component (dummy).
  Standard_Byte& a_() { return v[3]; }

public:

  Standard_Byte v[4];

};

//! POD structure for packed RGBA color value (4 bytes)
struct Image_ColorRGBA
{

  //! Component type.
  typedef Standard_Byte ComponentType_t;

  //! Returns the number of components.
  static Standard_Integer Length()
  {
    return 4;
  }

  //! Alias to 1st component (red intensity).
  Standard_Byte r() const { return v[0]; }

  //! Alias to 2nd component (green intensity).
  Standard_Byte g() const { return v[1]; }

  //! Alias to 3rd component (blue intensity).
  Standard_Byte b() const { return v[2]; }

  //! Alias to 4th component (alpha value).
  Standard_Byte a() const { return v[3]; }

  //! Alias to 1st component (red intensity).
  Standard_Byte& r() { return v[0]; }

  //! Alias to 2nd component (green intensity).
  Standard_Byte& g() { return v[1]; }

  //! Alias to 3rd component (blue intensity).
  Standard_Byte& b() { return v[2]; }

  //! Alias to 4th component (alpha value).
  Standard_Byte& a() { return v[3]; }

public:

  Standard_Byte v[4];

};

//! POD structure for packed BGR color value (3 bytes)
struct Image_ColorBGR
{

  //! Component type.
  typedef Standard_Byte ComponentType_t;

  //! Returns the number of components.
  static Standard_Integer Length()
  {
    return 3;
  }

  //! Alias to 3rd component (red intensity).
  Standard_Byte r() const { return v[2]; }

  //! Alias to 2nd component (green intensity).
  Standard_Byte g() const { return v[1]; }

  //! Alias to 1st component (blue intensity).
  Standard_Byte b() const { return v[0]; }

  //! Alias to 3rd component (red intensity).
  Standard_Byte& r() { return v[2]; }

  //! Alias to 2nd component (green intensity).
  Standard_Byte& g() { return v[1]; }

  //! Alias to 1st component (blue intensity).
  Standard_Byte& b() { return v[0]; }

public:

  Standard_Byte v[3];

};

//! POD structure for packed BGR color value (4 bytes with extra byte for alignment)
struct Image_ColorBGR32
{

  //! Component type.
  typedef Standard_Byte ComponentType_t;

  //! Returns the number of components.
  static Standard_Integer Length()
  {
    return 3;
  }

  //! Alias to 3rd component (red intensity).
  Standard_Byte r() const { return v[2]; }

  //! Alias to 2nd component (green intensity).
  Standard_Byte g() const { return v[1]; }

  //! Alias to 1st component (blue intensity).
  Standard_Byte b() const { return v[0]; }

  //! Alias to 4th component (dummy).
  Standard_Byte a_() const { return v[3]; }

  //! Alias to 3rd component (red intensity).
  Standard_Byte& r() { return v[2]; }

  //! Alias to 2nd component (green intensity).
  Standard_Byte& g() { return v[1]; }

  //! Alias to 1st component (blue intensity).
  Standard_Byte& b() { return v[0]; }

  //! Alias to 4th component (dummy).
  Standard_Byte& a_() { return v[3]; }

public:

  Standard_Byte v[4];

};

//! POD structure for packed BGRA color value (4 bytes)
struct Image_ColorBGRA
{

  //! Component type.
  typedef Standard_Byte ComponentType_t;

  //! Returns the number of components.
  static Standard_Integer Length()
  {
    return 4;
  }

  //! Alias to 3rd component (red intensity).
  Standard_Byte r() const { return v[2]; }

  //! Alias to 2nd component (green intensity).
  Standard_Byte g() const { return v[1]; }

  //! Alias to 1st component (blue intensity).
  Standard_Byte b() const { return v[0]; }

  //! Alias to 4th component (alpha value).
  Standard_Byte a() const { return v[3]; }

  //! Alias to 3rd component (red intensity).
  Standard_Byte& r() { return v[2]; }

  //! Alias to 2nd component (green intensity).
  Standard_Byte& g() { return v[1]; }

  //! Alias to 1st component (blue intensity).
  Standard_Byte& b() { return v[0]; }

  //! Alias to 4th component (alpha value).
  Standard_Byte& a() { return v[3]; }

public:

  Standard_Byte v[4];

};

//! POD structure for packed float RG color value (2 floats)
struct Image_ColorRGF
{
  //! Component type.
  typedef Standard_ShortReal ComponentType_t;

  //! Returns the number of components.
  static Standard_Integer Length() { return 2; }

  //! Alias to 1st component (red intensity).
  Standard_ShortReal r() const { return v[0]; }

  //! Alias to 2nd component (green intensity).
  Standard_ShortReal g() const { return v[1]; }

  //! Alias to 1st component (red intensity).
  Standard_ShortReal& r() { return v[0]; }

  //! Alias to 2nd component (green intensity).
  Standard_ShortReal& g() { return v[1]; }

public:
  Standard_ShortReal v[2];
};

//! POD structure for packed float RGB color value (3 floats)
struct Image_ColorRGBF
{

  //! Component type.
  typedef Standard_ShortReal ComponentType_t;

  //! Returns the number of components.
  static Standard_Integer Length()
  {
    return 3;
  }

  //! Alias to 1st component (red intensity).
  Standard_ShortReal r() const { return v[0]; }

  //! Alias to 2nd component (green intensity).
  Standard_ShortReal g() const { return v[1]; }

  //! Alias to 3rd component (blue intensity).
  Standard_ShortReal b() const { return v[2]; }

  //! Alias to 1st component (red intensity).
  Standard_ShortReal& r() { return v[0]; }

  //! Alias to 2nd component (green intensity).
  Standard_ShortReal& g() { return v[1]; }

  //! Alias to 3rd component (blue intensity).
  Standard_ShortReal& b() { return v[2]; }

public:

  Standard_ShortReal v[3];

};

//! POD structure for packed BGR float color value (3 floats)
struct Image_ColorBGRF
{

  //! Component type.
  typedef Standard_ShortReal ComponentType_t;

  //! Returns the number of components.
  static Standard_Integer Length()
  {
    return 3;
  }

  //! Alias to 3rd component (red intensity).
  Standard_ShortReal r() const { return v[2]; }

  //! Alias to 2nd component (green intensity).
  Standard_ShortReal g() const { return v[1]; }

  //! Alias to 1st component (blue intensity).
  Standard_ShortReal b() const { return v[0]; }

  //! Alias to 3rd component (red intensity).
  Standard_ShortReal& r() { return v[2]; }

  //! Alias to 2nd component (green intensity).
  Standard_ShortReal& g() { return v[1]; }

  //! Alias to 1st component (blue intensity).
  Standard_ShortReal& b() { return v[0]; }

public:

  Standard_ShortReal v[3];

};

//! POD structure for packed RGBA color value (4 floats)
struct Image_ColorRGBAF
{

  //! Component type.
  typedef Standard_ShortReal ComponentType_t;

  //! Returns the number of components.
  static Standard_Integer Length()
  {
    return 4;
  }

  //! Alias to 1st component (red intensity).
  Standard_ShortReal r() const { return v[0]; }

  //! Alias to 2nd component (green intensity).
  Standard_ShortReal g() const { return v[1]; }

  //! Alias to 3rd component (blue intensity).
  Standard_ShortReal b() const { return v[2]; }

  //! Alias to 4th component (alpha value).
  Standard_ShortReal a() const { return v[3]; }

  //! Alias to 1st component (red intensity).
  Standard_ShortReal& r() { return v[0]; }

  //! Alias to 2nd component (green intensity).
  Standard_ShortReal& g() { return v[1]; }

  //! Alias to 3rd component (blue intensity).
  Standard_ShortReal& b() { return v[2]; }

  //! Alias to 4th component (alpha value).
  Standard_ShortReal& a() { return v[3]; }

public:

  Standard_ShortReal v[4];

};

//! POD structure for packed float BGRA color value (4 floats)
struct Image_ColorBGRAF
{

  //! Component type.
  typedef Standard_ShortReal ComponentType_t;

  //! Returns the number of components.
  static Standard_Integer Length()
  {
    return 4;
  }

  //! Alias to 3rd component (red intensity).
  Standard_ShortReal r() const { return v[2]; }

  //! Alias to 2nd component (green intensity).
  Standard_ShortReal g() const { return v[1]; }

  //! Alias to 1st component (blue intensity).
  Standard_ShortReal b() const { return v[0]; }

  //! Alias to 4th component (alpha value).
  Standard_ShortReal a() const { return v[3]; }

  //! Alias to 3rd component (red intensity).
  Standard_ShortReal& r() { return v[2]; }

  //! Alias to 2nd component (green intensity).
  Standard_ShortReal& g() { return v[1]; }

  //! Alias to 1st component (blue intensity).
  Standard_ShortReal& b() { return v[0]; }

  //! Alias to 4th component (alpha value).
  Standard_ShortReal& a() { return v[3]; }

public:

  Standard_ShortReal v[4];

};

#endif // _Image_Color_H__
Commit	Line	Data
6aca4d39	1	// Created on: 2012-07-18
692613e5	2	// Created by: Kirill GAVRILOV
6aca4d39	3	// Copyright (c) 2012-2014 OPEN CASCADE SAS
692613e5	4	//
973c2be1	5	// This file is part of Open CASCADE Technology software library.
692613e5	6	//
d5f74e42	7	// This library is free software; you can redistribute it and/or modify it under
d5f74e42	8	// the terms of the GNU Lesser General Public License version 2.1 as published
973c2be1	9	// by the Free Software Foundation, with special exception defined in the file
	10	// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
	11	// distribution for complete text of the license and disclaimer of any warranty.
692613e5	12	//
973c2be1	13	// Alternatively, this file may be used under the terms of Open CASCADE
973c2be1	14	// commercial license or contractual agreement.
692613e5	15
	16	#ifndef _Image_Color_H__
	17	#define _Image_Color_H__
	18
	19	#include <Standard.hxx>
	20
	21	//! POD structure for packed RGB color value (3 bytes)
	22	struct Image_ColorRGB
	23	{
	24
9786a9af	25	//! Component type.
	26	typedef Standard_Byte ComponentType_t;
	27
692613e5	28	//! Returns the number of components.
	29	static Standard_Integer Length()
	30	{
	31	return 3;
	32	}
	33
	34	public: // access methods
	35
	36	//! Alias to 1st component (red intensity).
	37	Standard_Byte r() const { return v[0]; }
	38
	39	//! Alias to 2nd component (green intensity).
	40	Standard_Byte g() const { return v[1]; }
	41
	42	//! Alias to 3rd component (blue intensity).
	43	Standard_Byte b() const { return v[2]; }
	44
	45	//! Alias to 1st component (red intensity).
	46	Standard_Byte& r() { return v[0]; }
	47
	48	//! Alias to 2nd component (green intensity).
	49	Standard_Byte& g() { return v[1]; }
	50
	51	//! Alias to 3rd component (blue intensity).
	52	Standard_Byte& b() { return v[2]; }
	53
	54	public:
	55
	56	Standard_Byte v[3];
	57
	58	};
	59
	60	//! POD structure for packed RGB color value (4 bytes with extra byte for alignment)
	61	struct Image_ColorRGB32
	62	{
	63
9786a9af	64	//! Component type.
	65	typedef Standard_Byte ComponentType_t;
	66
692613e5	67	//! Returns the number of components.
	68	static Standard_Integer Length()
	69	{
	70	return 3;
	71	}
	72
	73	//! Alias to 1st component (red intensity).
	74	Standard_Byte r() const { return v[0]; }
	75
	76	//! Alias to 2nd component (green intensity).
	77	Standard_Byte g() const { return v[1]; }
	78
	79	//! Alias to 3rd component (blue intensity).
	80	Standard_Byte b() const { return v[2]; }
	81
	82	//! Alias to 4th component (dummy).
	83	Standard_Byte a_() const { return v[3]; }
	84
	85	//! Alias to 1st component (red intensity).
	86	Standard_Byte& r() { return v[0]; }
	87
	88	//! Alias to 2nd component (green intensity).
	89	Standard_Byte& g() { return v[1]; }
	90
	91	//! Alias to 3rd component (blue intensity).
	92	Standard_Byte& b() { return v[2]; }
	93
	94	//! Alias to 4th component (dummy).
	95	Standard_Byte& a_() { return v[3]; }
	96
	97	public:
	98
	99	Standard_Byte v[4];
	100
	101	};
	102
	103	//! POD structure for packed RGBA color value (4 bytes)
	104	struct Image_ColorRGBA
	105	{
	106
9786a9af	107	//! Component type.
	108	typedef Standard_Byte ComponentType_t;
	109
692613e5	110	//! Returns the number of components.
	111	static Standard_Integer Length()
	112	{
	113	return 4;
	114	}
	115
	116	//! Alias to 1st component (red intensity).
	117	Standard_Byte r() const { return v[0]; }
	118
	119	//! Alias to 2nd component (green intensity).
	120	Standard_Byte g() const { return v[1]; }
	121
	122	//! Alias to 3rd component (blue intensity).
	123	Standard_Byte b() const { return v[2]; }
	124
	125	//! Alias to 4th component (alpha value).
	126	Standard_Byte a() const { return v[3]; }
	127
	128	//! Alias to 1st component (red intensity).
	129	Standard_Byte& r() { return v[0]; }
	130
	131	//! Alias to 2nd component (green intensity).
	132	Standard_Byte& g() { return v[1]; }
	133
	134	//! Alias to 3rd component (blue intensity).
	135	Standard_Byte& b() { return v[2]; }
	136
	137	//! Alias to 4th component (alpha value).
	138	Standard_Byte& a() { return v[3]; }
	139
	140	public:
	141
	142	Standard_Byte v[4];
	143
	144	};
	145
	146	//! POD structure for packed BGR color value (3 bytes)
	147	struct Image_ColorBGR
	148	{
	149
9786a9af	150	//! Component type.
	151	typedef Standard_Byte ComponentType_t;
	152
692613e5	153	//! Returns the number of components.
	154	static Standard_Integer Length()
	155	{
	156	return 3;
	157	}
	158
	159	//! Alias to 3rd component (red intensity).
	160	Standard_Byte r() const { return v[2]; }
	161
	162	//! Alias to 2nd component (green intensity).
	163	Standard_Byte g() const { return v[1]; }
	164
	165	//! Alias to 1st component (blue intensity).
	166	Standard_Byte b() const { return v[0]; }
	167
	168	//! Alias to 3rd component (red intensity).
	169	Standard_Byte& r() { return v[2]; }
	170
	171	//! Alias to 2nd component (green intensity).
	172	Standard_Byte& g() { return v[1]; }
	173
	174	//! Alias to 1st component (blue intensity).
	175	Standard_Byte& b() { return v[0]; }
	176
	177	public:
	178
	179	Standard_Byte v[3];
	180
	181	};
	182
	183	//! POD structure for packed BGR color value (4 bytes with extra byte for alignment)
	184	struct Image_ColorBGR32
	185	{
	186
9786a9af	187	//! Component type.
	188	typedef Standard_Byte ComponentType_t;
	189
692613e5	190	//! Returns the number of components.
	191	static Standard_Integer Length()
	192	{
	193	return 3;
	194	}
	195
	196	//! Alias to 3rd component (red intensity).
	197	Standard_Byte r() const { return v[2]; }
	198
	199	//! Alias to 2nd component (green intensity).
	200	Standard_Byte g() const { return v[1]; }
	201
	202	//! Alias to 1st component (blue intensity).
	203	Standard_Byte b() const { return v[0]; }
	204
	205	//! Alias to 4th component (dummy).
	206	Standard_Byte a_() const { return v[3]; }
	207
	208	//! Alias to 3rd component (red intensity).
	209	Standard_Byte& r() { return v[2]; }
	210
	211	//! Alias to 2nd component (green intensity).
	212	Standard_Byte& g() { return v[1]; }
	213
	214	//! Alias to 1st component (blue intensity).
	215	Standard_Byte& b() { return v[0]; }
	216
	217	//! Alias to 4th component (dummy).
	218	Standard_Byte& a_() { return v[3]; }
	219
	220	public:
	221
	222	Standard_Byte v[4];
	223
	224	};
	225
	226	//! POD structure for packed BGRA color value (4 bytes)
	227	struct Image_ColorBGRA
	228	{
	229
9786a9af	230	//! Component type.
	231	typedef Standard_Byte ComponentType_t;
	232
692613e5	233	//! Returns the number of components.
	234	static Standard_Integer Length()
	235	{
	236	return 4;
	237	}
	238
	239	//! Alias to 3rd component (red intensity).
	240	Standard_Byte r() const { return v[2]; }
	241
	242	//! Alias to 2nd component (green intensity).
	243	Standard_Byte g() const { return v[1]; }
	244
	245	//! Alias to 1st component (blue intensity).
	246	Standard_Byte b() const { return v[0]; }
	247
	248	//! Alias to 4th component (alpha value).
	249	Standard_Byte a() const { return v[3]; }
	250
	251	//! Alias to 3rd component (red intensity).
	252	Standard_Byte& r() { return v[2]; }
	253
	254	//! Alias to 2nd component (green intensity).
	255	Standard_Byte& g() { return v[1]; }
	256
	257	//! Alias to 1st component (blue intensity).
	258	Standard_Byte& b() { return v[0]; }
	259
	260	//! Alias to 4th component (alpha value).
	261	Standard_Byte& a() { return v[3]; }
	262
	263	public:
	264
	265	Standard_Byte v[4];
	266
	267	};
	268
67312b79	269	//! POD structure for packed float RG color value (2 floats)
	270	struct Image_ColorRGF
	271	{
	272	//! Component type.
	273	typedef Standard_ShortReal ComponentType_t;
	274
	275	//! Returns the number of components.
	276	static Standard_Integer Length() { return 2; }
	277
	278	//! Alias to 1st component (red intensity).
	279	Standard_ShortReal r() const { return v[0]; }
	280
	281	//! Alias to 2nd component (green intensity).
	282	Standard_ShortReal g() const { return v[1]; }
	283
	284	//! Alias to 1st component (red intensity).
	285	Standard_ShortReal& r() { return v[0]; }
	286
	287	//! Alias to 2nd component (green intensity).
	288	Standard_ShortReal& g() { return v[1]; }
	289
	290	public:
	291	Standard_ShortReal v[2];
	292	};
	293
692613e5	294	//! POD structure for packed float RGB color value (3 floats)
	295	struct Image_ColorRGBF
	296	{
	297
9786a9af	298	//! Component type.
	299	typedef Standard_ShortReal ComponentType_t;
	300
692613e5	301	//! Returns the number of components.
	302	static Standard_Integer Length()
	303	{
	304	return 3;
	305	}
	306
	307	//! Alias to 1st component (red intensity).
	308	Standard_ShortReal r() const { return v[0]; }
	309
	310	//! Alias to 2nd component (green intensity).
	311	Standard_ShortReal g() const { return v[1]; }
	312
	313	//! Alias to 3rd component (blue intensity).
	314	Standard_ShortReal b() const { return v[2]; }
	315
	316	//! Alias to 1st component (red intensity).
	317	Standard_ShortReal& r() { return v[0]; }
	318
	319	//! Alias to 2nd component (green intensity).
	320	Standard_ShortReal& g() { return v[1]; }
	321
	322	//! Alias to 3rd component (blue intensity).
	323	Standard_ShortReal& b() { return v[2]; }
	324
	325	public:
	326
	327	Standard_ShortReal v[3];
	328
	329	};
	330
	331	//! POD structure for packed BGR float color value (3 floats)
	332	struct Image_ColorBGRF
	333	{
	334
9786a9af	335	//! Component type.
	336	typedef Standard_ShortReal ComponentType_t;
	337
692613e5	338	//! Returns the number of components.
	339	static Standard_Integer Length()
	340	{
	341	return 3;
	342	}
	343
	344	//! Alias to 3rd component (red intensity).
	345	Standard_ShortReal r() const { return v[2]; }
	346
	347	//! Alias to 2nd component (green intensity).
	348	Standard_ShortReal g() const { return v[1]; }
	349
	350	//! Alias to 1st component (blue intensity).
	351	Standard_ShortReal b() const { return v[0]; }
	352
	353	//! Alias to 3rd component (red intensity).
	354	Standard_ShortReal& r() { return v[2]; }
	355
	356	//! Alias to 2nd component (green intensity).
	357	Standard_ShortReal& g() { return v[1]; }
	358
	359	//! Alias to 1st component (blue intensity).
	360	Standard_ShortReal& b() { return v[0]; }
	361
	362	public:
	363
	364	Standard_ShortReal v[3];
	365
	366	};
	367
	368	//! POD structure for packed RGBA color value (4 floats)
	369	struct Image_ColorRGBAF
	370	{
	371
9786a9af	372	//! Component type.
	373	typedef Standard_ShortReal ComponentType_t;
	374
692613e5	375	//! Returns the number of components.
	376	static Standard_Integer Length()
	377	{
	378	return 4;
	379	}
	380
	381	//! Alias to 1st component (red intensity).
	382	Standard_ShortReal r() const { return v[0]; }
	383
	384	//! Alias to 2nd component (green intensity).
	385	Standard_ShortReal g() const { return v[1]; }
	386
	387	//! Alias to 3rd component (blue intensity).
	388	Standard_ShortReal b() const { return v[2]; }
	389
	390	//! Alias to 4th component (alpha value).
	391	Standard_ShortReal a() const { return v[3]; }
	392
	393	//! Alias to 1st component (red intensity).
	394	Standard_ShortReal& r() { return v[0]; }
	395
	396	//! Alias to 2nd component (green intensity).
	397	Standard_ShortReal& g() { return v[1]; }
	398
	399	//! Alias to 3rd component (blue intensity).
	400	Standard_ShortReal& b() { return v[2]; }
	401
	402	//! Alias to 4th component (alpha value).
	403	Standard_ShortReal& a() { return v[3]; }
	404
	405	public:
	406
	407	Standard_ShortReal v[4];
	408
	409	};
	410
	411	//! POD structure for packed float BGRA color value (4 floats)
	412	struct Image_ColorBGRAF
	413	{
	414
9786a9af	415	//! Component type.
	416	typedef Standard_ShortReal ComponentType_t;
	417
692613e5	418	//! Returns the number of components.
	419	static Standard_Integer Length()
	420	{
	421	return 4;
	422	}
	423
	424	//! Alias to 3rd component (red intensity).
	425	Standard_ShortReal r() const { return v[2]; }
	426
	427	//! Alias to 2nd component (green intensity).
	428	Standard_ShortReal g() const { return v[1]; }
	429
	430	//! Alias to 1st component (blue intensity).
	431	Standard_ShortReal b() const { return v[0]; }
	432
	433	//! Alias to 4th component (alpha value).
	434	Standard_ShortReal a() const { return v[3]; }
	435
	436	//! Alias to 3rd component (red intensity).
	437	Standard_ShortReal& r() { return v[2]; }
	438
	439	//! Alias to 2nd component (green intensity).
	440	Standard_ShortReal& g() { return v[1]; }
	441
	442	//! Alias to 1st component (blue intensity).
	443	Standard_ShortReal& b() { return v[0]; }
	444
	445	//! Alias to 4th component (alpha value).
	446	Standard_ShortReal& a() { return v[3]; }
	447
	448	public:
	449
	450	Standard_ShortReal v[4];
	451
	452	};
	453
692613e5	454	#endif // _Image_Color_H__