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//
// Modified : GG ; 14/09/01 Implements the new AddEntry method
//
#define IMP140901 // GG Compute correctly the color ramp
// accordingly to the requested color.
#include <Aspect_ColorRampColorMap.ixx>
#include <Aspect_ColorMapEntry.hxx>
#include <Quantity_NameOfColor.hxx>
Aspect_ColorRampColorMap::Aspect_ColorRampColorMap(
const Standard_Integer basepixel ,
const Standard_Integer dimension ,
const Quantity_NameOfColor color )
:Aspect_ColorMap(Aspect_TOC_ColorRamp )
{ ComputeEntry( basepixel, dimension,
Quantity_Color( color ) ) ; }
Aspect_ColorRampColorMap::Aspect_ColorRampColorMap(
const Standard_Integer basepixel ,
const Standard_Integer dimension ,
const Quantity_Color& color )
:Aspect_ColorMap(Aspect_TOC_ColorRamp )
{ ComputeEntry( basepixel, dimension, color ) ; }
void Aspect_ColorRampColorMap::ComputeEntry(
const Standard_Integer basepixel ,
const Standard_Integer dimension ,
const Quantity_Color& color )
{ Standard_Integer i ;
Aspect_ColorMapEntry value ;
Quantity_Color rgb ;
Standard_Real v ;
#ifdef IMP140901
Standard_Real r,g,b;
#endif
mycolor = color ;
mybasepixel = basepixel ;
mydimension = dimension ;
#ifdef IMP140901
mycolor.Values(r,g,b,Quantity_TOC_RGB);
#endif
for( i = 0 ; i < dimension ; i++ ) {
v = ( Standard_Real ) i /
( Standard_Real )(dimension-1) ;
#ifdef IMP140901
rgb.SetValues( r*v, g*v, b*v, Quantity_TOC_RGB ) ;
#else
rgb.SetValues( v, v, v, Quantity_TOC_RGB ) ;
#endif
value.SetValue( basepixel+i, rgb ) ;
mydata.Append( value ) ;
}
}
const Aspect_ColorMapEntry& Aspect_ColorRampColorMap::NearestEntry(
const Quantity_Color& color ) const
{
return( Entry( NearestColorMapIndex( color ) ) ) ;
}
Standard_Integer Aspect_ColorRampColorMap::NearestColorMapIndex(
const Quantity_Color& color ) const
{
return( (Standard_Integer ) ( ( color.Light() * (mydimension-1) ) + 1 )) ;
}
const Aspect_ColorMapEntry& Aspect_ColorRampColorMap::FindEntry(
const Standard_Integer index ) const
{
return( Entry( FindColorMapIndex( index ) ) ) ;
}
Standard_Integer Aspect_ColorRampColorMap::FindColorMapIndex(
const Standard_Integer index ) const
{
if ( index < mybasepixel ||
index >= ( mybasepixel+mydimension ) ){
Aspect_BadAccess::Raise ("FindEntryIndex() index not found.");
}
return( index - mybasepixel + 1 ) ;
}
void Aspect_ColorRampColorMap::ColorRampDefinition(
Standard_Integer& basepixel,
Standard_Integer& size,
Quantity_Color& color ) const
{ basepixel = mybasepixel ;
size = mydimension ;
color = mycolor ;
}
Standard_Integer Aspect_ColorRampColorMap::AddEntry (const Quantity_Color &aColor) {
return mybasepixel + NearestColorMapIndex(aColor) - 1;
}
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