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84 lines
2.7 KiB
C++
Executable File
84 lines
2.7 KiB
C++
Executable File
// Created by: CKY / Contract Toubro-Larsen
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// Copyright (c) 1993-1999 Matra Datavision
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// Copyright (c) 1999-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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//--------------------------------------------------------------------
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//--------------------------------------------------------------------
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#include <IGESGraph_Color.ixx>
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IGESGraph_Color::IGESGraph_Color () { }
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// This class inherits from IGESData_ColorEntity
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void IGESGraph_Color::Init
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(const Standard_Real red,
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const Standard_Real green,
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const Standard_Real blue,
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const Handle(TCollection_HAsciiString)& aColorName)
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{
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theRed = red;
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theGreen = green;
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theBlue = blue;
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theColorName = aColorName;
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InitTypeAndForm(314,0);
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}
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void IGESGraph_Color::RGBIntensity
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(Standard_Real& Red, Standard_Real& Green, Standard_Real& Blue) const
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{
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Red = theRed;
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Green = theGreen;
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Blue = theBlue;
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}
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void IGESGraph_Color::CMYIntensity
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(Standard_Real& Cyan, Standard_Real& Magenta, Standard_Real& Yellow) const
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{
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Cyan = 100.0 - theRed;
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Magenta = 100.0 - theGreen;
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Yellow = 100.0 - theBlue;
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}
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void IGESGraph_Color::HLSPercentage
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(Standard_Real& Hue, Standard_Real& Lightness, Standard_Real& Saturation) const
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{
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Hue = ((1.0 / (2.0 * M_PI)) *
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(ATan(((2 * theRed) - theGreen - theBlue) /
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(Sqrt(3) * (theGreen - theBlue)))));
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Lightness = ((1.0 / 3.0) * (theRed + theGreen + theBlue));
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Saturation = (Sqrt((theRed * theRed ) +
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(theGreen * theGreen) +
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(theBlue * theBlue ) -
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(theRed * theGreen) -
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(theRed * theBlue ) -
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(theBlue * theGreen)));
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}
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Standard_Boolean IGESGraph_Color::HasColorName () const
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{
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return (! theColorName.IsNull());
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}
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Handle(TCollection_HAsciiString) IGESGraph_Color::ColorName () const
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{
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return theColorName;
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}
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