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#include <Image_PseudoColorImage.ixx>
#include <Image_LookupTable.hxx>
#include <TColStd_SetIteratorOfSetOfInteger.hxx>
#include <TColStd_SetOfInteger.hxx>
#include <Aspect_GenericColorMap.hxx>
#include <Aspect_ColorMapEntry.hxx>
Image_PseudoColorImage::Image_PseudoColorImage (
const Standard_Integer x,
const Standard_Integer y,
const Standard_Integer dx,
const Standard_Integer dy,
const Handle(Aspect_ColorMap)& aColorMap)
: Image_DIndexedImage( x, y, dx, dy, Aspect_IndexPixel( 0 ) ) ,
myColorMap (aColorMap)
{
}
Image_PseudoColorImage::Image_PseudoColorImage (
const Standard_Integer x,
const Standard_Integer y,
const Standard_Integer dx,
const Standard_Integer dy,
const Handle(Aspect_ColorMap)& aColorMap,
const Aspect_IndexPixel& Back )
: Image_DIndexedImage( x, y, dx, dy, Back ) , myColorMap (aColorMap)
{
}
Handle(Image_Image) Image_PseudoColorImage::Dup() const {
Handle(Image_PseudoColorImage) aImage =
new Image_PseudoColorImage( LowerX(), LowerY(),
Width(), Height(),
myColorMap,
BackgroundPixel() ) ;
aImage->InternalDup( this ) ;
return aImage ;
}
Image_TypeOfImage Image_PseudoColorImage::Type () const {
return Image_TOI_PseudoColorImage ;
}
Handle(Aspect_ColorMap) Image_PseudoColorImage::ColorMap () const {
return myColorMap;
}
const Quantity_Color& Image_PseudoColorImage::PixelColor(
const Standard_Integer x,
const Standard_Integer y ) const
{ return( myColorMap->FindEntry ( Pixel( x, y ).Value()
).Color() ) ;
}
void Image_PseudoColorImage::RowColor( const Standard_Integer Y,
Quantity_Array1OfColor& PR) const {
Standard_Integer TheLength = Min (PR.Length(), Width() );
Standard_Integer L = PR.Lower() ;
Standard_Integer X = LowerX() ;
Standard_Integer NIndex ;
Standard_Integer PIndex = Pixel( X, Y ).Value() ;
Quantity_Color PColor = PixelColor( X, Y ) ;
for (Standard_Integer i=0; i< TheLength; i++) {
NIndex = Pixel(X+i,Y).Value() ;
if ( NIndex != PIndex ) {
PIndex = NIndex ;
PColor = myColorMap->FindEntry( PIndex ).Color() ;
}
PR(L+i) = PColor;
}
}
Handle(Quantity_HArray1OfColor) Image_PseudoColorImage::RowColor(
const Standard_Integer Y ) const {
Standard_Integer TheLength = Width() ;
Standard_Integer X = LowerX() ;
Standard_Integer NIndex ;
Standard_Integer PIndex = Pixel( X, Y ).Value() ;
Quantity_Color PColor = PixelColor( X, Y ) ;
Handle(Quantity_HArray1OfColor) PR =
new Quantity_HArray1OfColor( 0, TheLength-1) ;
for (Standard_Integer i=0; i< TheLength; i++) {
NIndex = Pixel(X+i,Y).Value() ;
if ( NIndex != PIndex ) {
PIndex = NIndex ;
PColor = myColorMap->FindEntry( PIndex ).Color() ;
}
PR->SetValue(i,PColor);
}
return PR ;
}
void Image_PseudoColorImage::SqueezedLookupTable(
const Aspect_IndexPixel& BasePixel,
Image_LookupTable& aLookup ) const
{ TColStd_SetOfInteger PixelSet ;
TColStd_SetIteratorOfSetOfInteger It;
Standard_Integer x, y, i, UpX, UpY ;
// Aspect_IndexPixel aPixel ;
//Image_LookupTable aLookup( 101 ) ;
// Aspect_ColorMapEntry aEntry;
UpX = UpperX() ;
UpY = UpperY() ;
for ( y = LowerY() ; y <= UpY ; y++ ) {
for ( x = LowerX() ; x <= UpX ; x++ ) {
PixelSet.Add( Pixel( x, y ).Value() ) ;
}
}
#ifdef TRACE
cout << "Squeeze() PixelSet Extent :" << PixelSet.Extent() << endl ;
#endif
for (It.Initialize(PixelSet), i = BasePixel.Value() ;
It.More(); It.Next(), i++ ) {
aLookup.Bind( It.Value(), i ) ;
}
// Modif CAL 10/02/95: passage par argument car copie inaccessible.
// return( aLookup ) ;
}
Handle(Image_PseudoColorImage) Image_PseudoColorImage::Squeeze(
const Aspect_IndexPixel& BasePixel ) const
{ Handle(Image_PseudoColorImage) ret_image = NULL ;
Handle(Aspect_GenericColorMap) newcmap = NULL ;
Handle(Aspect_ColorMap) cmap = ColorMap() ;
TColStd_SetOfInteger PixelSet ;
TColStd_SetIteratorOfSetOfInteger It;
Standard_Integer x, y, i, UpX, UpY ;
// Aspect_IndexPixel aPixel ;
Image_LookupTable aLookup( 101 ) ;
Aspect_ColorMapEntry aEntry;
UpX = UpperX() ;
UpY = UpperY() ;
for ( y = LowerY() ; y <= UpY ; y++ ) {
for ( x = LowerX() ; x <= UpX ; x++ ) {
PixelSet.Add( Pixel( x, y ).Value() ) ;
}
}
#ifdef TRACE
cout << "Squeeze() PixelSet Extent :" << PixelSet.Extent() << endl ;
#endif
if ( PixelSet.Extent() != 0 ) {
newcmap = new Aspect_GenericColorMap() ;
for (It.Initialize(PixelSet), i = BasePixel.Value() ;
It.More(); It.Next(), i++ ) {
aLookup.Bind( It.Value(), i ) ;
aEntry.SetValue( i, cmap->FindEntry( It.Value() ).Color() ) ;
newcmap->AddEntry( aEntry ) ;
}
ret_image = new Image_PseudoColorImage( LowerX(), LowerY(),
Width() , Height(),
newcmap );
ret_image->Fill( this ) ;
ret_image->Lookup( aLookup ) ;
}
return( ret_image ) ;
}
void Image_PseudoColorImage::Lookup( const Image_LookupTable& aLookup )
{ Standard_Integer x,y, UpX, UpY;
Aspect_IndexPixel val, lastval, newval;
UpX = UpperX() ;
UpY = UpperY() ;
val = Pixel( LowerX(), LowerY() ) ;
lastval = val ;
newval = aLookup.Find( lastval ) ;
for ( y = LowerY() ; y <= UpY ; y++ ) {
for ( x = LowerX() ; x <= UpX ; x++ ) {
val = Pixel( x, y ) ;
if ( !(val == lastval) ) {
lastval = val ;
newval = aLookup.Find( lastval ) ;
}
SetPixel( x, y , newval ) ;
}
}
}
void Image_PseudoColorImage::Rescale( const Standard_Real Scale,
const Standard_Real Offset )
{ Standard_Real S = Scale ;
Standard_Real O = Offset ;
Standard_Integer x,y, UpX, UpY, val;
UpX = UpperX() ;
UpY = UpperY() ;
for ( y = LowerY() ; y <= UpY ; y++ ) {
for ( x = LowerX() ; x <= UpX ; x++ ) {
val = ( Standard_Integer ) ( Pixel(x, y).Value() * S + O ) ;
MutPixel( x, y ).SetValue( val ) ;
}
}
}
void Image_PseudoColorImage::Extrema( Aspect_IndexPixel& PMin,
Aspect_IndexPixel& PMax ) const
{ Standard_Integer x,y, UpX, UpY, min, max, val, lastval;
// Aspect_IndexPixel aPixel ;
UpX = UpperX() ;
UpY = UpperY() ;
max = IntegerFirst() ;
min = IntegerLast() ;
lastval = Pixel( LowerX(), LowerY() ).Value() ;
max = Max( max, lastval ) ;
min = Min( min, lastval ) ;
for ( y = LowerY() ; y <= UpY ; y++ ) {
for ( x = LowerX() ; x <= UpX ; x++ ) {
val = Pixel( x, y ).Value();
if ( val != lastval ) {
lastval = val ;
max = Max( max, lastval ) ;
min = Min( min, lastval ) ;
}
}
}
PMin.SetValue( min ) ;
PMax.SetValue( max ) ;
}
void Image_PseudoColorImage::Threshold( const Aspect_IndexPixel& PMin,
const Aspect_IndexPixel& PMax,
const Aspect_IndexPixel& PMap )
{ Standard_Integer x,y, UpX, UpY, min, max, val, map ;
Aspect_IndexPixel ThePixel ;
UpX = UpperX() ;
UpY = UpperY() ;
max = PMax.Value() ;
min = PMin.Value() ;
map = PMap.Value() ;
for ( y = LowerY() ; y <= UpY ; y++ ) {
for ( x = LowerX() ; x <= UpX ; x++ ) {
ThePixel = Pixel( x, y ) ;
val = Pixel( x, y ).Value();
if ( val >= min && val <= max ) {
MutPixel( x, y ).SetValue( map ) ;
}
}
}
}
#ifdef OLD
Handle(Standard_Transient) Image_PseudoColorImage::ShallowCopy() const {
return DeepCopy() ;
}
Handle(Standard_Transient) Image_PseudoColorImage::DeepCopy() const {
return Dup() ;
}
#endif
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