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https://github.com/Open-Cascade-SAS/OCCT.git
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973c2be1e1
The copying permission statements at the beginning of source files updated to refer to LGPL. Copyright dates extended till 2014 in advance.
139 lines
3.8 KiB
C++
139 lines
3.8 KiB
C++
// Copyright (c) 1995-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and / or modify it
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// under the terms of the GNU Lesser General Public version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#define IMP080300 //GG Add protection on FindColorMapIndex()
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#define IMP060400 //GG Take in account the Hue of the color
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// for computing the nearest color index.
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#include <Aspect_GenericColorMap.ixx>
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#include <Aspect_ColorMapEntry.hxx>
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Aspect_GenericColorMap::Aspect_GenericColorMap ():Aspect_ColorMap (Aspect_TOC_Generic) {
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Aspect_ColorMapEntry theDefaultEntry;
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AddEntry(theDefaultEntry);
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}
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void Aspect_GenericColorMap::AddEntry (const Aspect_ColorMapEntry& AnEntry) {
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Standard_Integer index = AnEntry.Index();
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if ( myDataMap.IsBound( index ) ) {
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Standard_Integer i = myDataMap( index ) ;
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mydata.SetValue( i , AnEntry ) ;
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} else {
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mydata.Append( AnEntry ) ;
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myDataMap.Bind( index , mydata.Length() ) ;
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}
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}
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Standard_Integer Aspect_GenericColorMap::AddEntry (const Quantity_Color &aColor) {
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Aspect_ColorMapEntry theEntry ;
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Standard_Integer i,maxindex = 0 ;
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for( i=1 ; i<=mydata.Length() ; i++ ) {
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theEntry = mydata.Value(i) ;
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maxindex = Max(maxindex,theEntry.Index()) ;
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if( theEntry.Color() == aColor ) return theEntry.Index() ;
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}
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maxindex++ ;
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theEntry.SetValue(maxindex,aColor) ;
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mydata.Append( theEntry ) ;
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myDataMap.Bind( maxindex , mydata.Length() ) ;
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return maxindex ;
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}
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void Aspect_GenericColorMap::RemoveEntry (const Standard_Integer index) {
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mydata.Remove( index ) ;
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}
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const Aspect_ColorMapEntry& Aspect_GenericColorMap::NearestEntry(
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const Quantity_Color& color ) const
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{
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return( Entry( NearestColorMapIndex( color ) ) ) ;
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}
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Standard_Integer Aspect_GenericColorMap::NearestColorMapIndex(
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const Quantity_Color& color ) const
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{
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Standard_Real dist ;
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struct {
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Standard_Real dist ;
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Standard_Integer index ;
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} nearest;
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nearest.dist = 0. ;
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nearest.index = 0 ;
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#ifdef IMP060400
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Standard_Integer ehue,hue = (color.Hue() < 0.) ? -1 :
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Standard_Integer(color.Hue())/60;
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#endif
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Quantity_Color ecolor;
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if ( Size() == 0 )
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Aspect_BadAccess::Raise ("NearestColorMapIndex() ColorMap is empty.");
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for ( Standard_Integer i = 1 ; i <= Size() ; i++ ) {
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if ( Entry(i).IsAllocated() ) {
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ecolor = Entry(i).Color();
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dist = color.SquareDistance( ecolor ) ;
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#ifdef IMP060400
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ehue = (ecolor.Hue() < 0.) ? -1 : Standard_Integer(ecolor.Hue())/60;
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if ( (nearest.index == 0) ||
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((dist < nearest.dist) && (hue == ehue)) ) {
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#else
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if ( nearest.index == 0 || dist < nearest.dist ) {
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#endif
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nearest.index = i ;
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nearest.dist = dist ;
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#ifdef IMP060400
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if( dist == 0.0 ) break;
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#endif
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}
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}
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}
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if ( nearest.index == 0 )
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Aspect_BadAccess::Raise ("NearestEntryIndex() ColorMap is empty.");
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return( nearest.index ) ;
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}
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const Aspect_ColorMapEntry& Aspect_GenericColorMap::FindEntry(
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const Standard_Integer ColorEntryIndex ) const
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{
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return( Entry( FindColorMapIndex( ColorEntryIndex ) ) ) ;
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}
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Standard_Integer Aspect_GenericColorMap::FindColorMapIndex(
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const Standard_Integer ColorEntryIndex ) const
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{
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Standard_Integer index = 0;
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#ifdef IMP080300
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if( myDataMap.IsBound( ColorEntryIndex ) )
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index = myDataMap.Find( ColorEntryIndex );
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#else
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index = myDataMap ( ColorEntryIndex );
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#endif
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return index;
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}
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