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// Modified 27/12/98 : FMN ; PERF: OPTIMISATION LOADER (LOPTIM)
//
#include <Aspect_ColorRampColorMap.hxx>
#include <Standard_TypeMismatch.hxx>
#include <ImageUtility.ixx>
#define LOPTIM
#ifndef LOPTIM
static Handle(Aspect_ColorRampColorMap) TheBWColorMap =
new Aspect_ColorRampColorMap(0,2,Quantity_Color(1.,1.,1.,Quantity_TOC_RGB));
#else
static Handle(Aspect_ColorRampColorMap)& _TheBWColorMap() {
static Handle(Aspect_ColorRampColorMap) TheBWColorMap =
new Aspect_ColorRampColorMap(0,2,Quantity_Color(1.,1.,1.,Quantity_TOC_RGB));
return TheBWColorMap;
}
#define TheBWColorMap _TheBWColorMap()
#endif // LOPTIM
static void Rescale( const Handle(Image_PseudoColorImage) aPImage )
{ Aspect_IndexPixel PMin, PMax ;
Standard_Integer dim, base ;
Quantity_Color aColor ;
Standard_Real scale, offset ; ;
Handle(Aspect_ColorRampColorMap)::
DownCast(aPImage->ColorMap())->ColorRampDefinition( base, dim, aColor );
aPImage->Extrema( PMin, PMax ) ;
if ( PMax.Value() == PMin.Value() ) return ;
scale = Standard_Real( dim-1 ) / Standard_Real( PMax.Value() - PMin.Value()) ;
offset = Standard_Real( base ) - Standard_Real( PMin.Value() ) * scale ;
aPImage->Rescale( scale, offset ) ;
}
Handle(Image_PseudoColorImage) ImageUtility::PixelColorDiff(
const Handle(Image_Image)& Image1,
const Handle(Image_Image)& Image2 )
{
return PixelColorDiff( Image1, Image2, TheBWColorMap ) ;
}
Handle(Image_PseudoColorImage) ImageUtility::PixelColorDiff(
const Handle(Image_Image)& Image1,
const Handle(Image_Image)& Image2,
const Handle(Aspect_ColorRampColorMap)& TheColorMap )
{ Handle(Image_PseudoColorImage) RetImage = NULL ;
Standard_Integer x,y, Error, BasePixel, RampLength ;
Standard_Integer LX, LY, UX, UY ;
Standard_Integer LX1, LY1, UX1, UY1 ;
Standard_Integer LX2, LY2, UX2, UY2 ;
Aspect_IndexPixel aPixel;
Standard_Real r1,g1,b1, r2,g2,b2 ;
Quantity_Color aColor ;
TheColorMap->ColorRampDefinition( BasePixel, RampLength, aColor ) ;
Aspect_IndexPixel Pixel0(BasePixel);
Aspect_IndexPixel Pixel1(BasePixel+RampLength-1);
LX1 = Image1->LowerX() ;
LY1 = Image1->LowerY() ;
UX1 = Image1->UpperX() ;
UY1 = Image1->UpperY() ;
LX2 = Image2->LowerX() ;
LY2 = Image2->LowerY() ;
UX2 = Image2->UpperX() ;
UY2 = Image2->UpperY() ;
LX = Image1->LowerX() ; LX = Min( LX, Image2->LowerX() ) ;
LY = Image1->LowerY() ; LY = Min( LY, Image2->LowerY() ) ;
UX = Image1->UpperX() ; UX = Max( UX, Image2->UpperX() ) ;
UY = Image1->UpperY() ; UY = Max( UY, Image2->UpperY() ) ;
RetImage = new Image_PseudoColorImage( LX, LY,
(UX-LX)+1, (UY-LY)+1,
TheColorMap,
Pixel1 ) ;
if ( RampLength == 2 ) { //B&W ColorMap
for ( y = LY ; y <= UY ; y++ ) {
for ( x = LX ; x <= UX ; x++ ) {
if ( ( x >= LX1 && x >= LX2 ) && ( x <= UX1 && x <= UX2 ) &&
( y >= LY1 && y >= LY2 ) && ( y <= UY1 && y <= UY2 ) ) {
if ( Image1->PixelColor(x,y) == Image2->PixelColor(x,y) ) {
RetImage->SetPixel( x,y, Pixel0 ) ;
}
}
}
}
}
else {
for ( y = LY ; y <= UY ; y++ ) {
for ( x = LX ; x <= UX ; x++ ) {
if ( ( x >= LX1 && x >= LX2 ) && ( x <= UX1 && x <= UX2 ) &&
( y >= LY1 && y >= LY2 ) && ( y <= UY1 && y <= UY2 ) ) {
Image1->PixelColor(x,y).Values( r1,g1,b1, Quantity_TOC_RGB ) ;
Image2->PixelColor(x,y).Values( r2,g2,b2, Quantity_TOC_RGB ) ;
Error = BasePixel ;
Error +=
Standard_Integer( (Abs(r1-r2)+Abs(g1-g2)+Abs(b1-b2))/3.
*(RampLength-1)
);
aPixel.SetValue( Error ) ;
RetImage->SetPixel( x,y, aPixel ) ;
}
}
}
Rescale( RetImage ) ;
}
return RetImage ;
}
void ImageUtility::PixelColorDiff(
const Handle(Image_Image)& Image1,
const Handle(Image_Image)& Image2,
const Handle(Aspect_ColorRampColorMap)& TheColorMap,
Handle(Image_PseudoColorImage)& RedDiff,
Handle(Image_PseudoColorImage)& GreenDiff,
Handle(Image_PseudoColorImage)& BlueDiff )
{ Standard_Integer x,y, Error, BasePixel, RampLength ;
Standard_Integer LX, LY, UX, UY ;
Standard_Integer LX1, LY1, UX1, UY1 ;
Standard_Integer LX2, LY2, UX2, UY2 ;
Aspect_IndexPixel aPixel;
Standard_Real r1,g1,b1, r2,g2,b2 ;
Quantity_Color aColor ;
TheColorMap->ColorRampDefinition( BasePixel, RampLength, aColor ) ;
Aspect_IndexPixel Pixel0(BasePixel);
Aspect_IndexPixel Pixel1(BasePixel+RampLength-1);
LX1 = Image1->LowerX() ;
LY1 = Image1->LowerY() ;
UX1 = Image1->UpperX() ;
UY1 = Image1->UpperY() ;
LX2 = Image2->LowerX() ;
LY2 = Image2->LowerY() ;
UX2 = Image2->UpperX() ;
UY2 = Image2->UpperY() ;
LX = Image1->LowerX() ; LX = Min( LX, Image2->LowerX() ) ;
LY = Image1->LowerY() ; LY = Min( LY, Image2->LowerY() ) ;
UX = Image1->UpperX() ; UX = Max( UX, Image2->UpperX() ) ;
UY = Image1->UpperY() ; UY = Max( UY, Image2->UpperY() ) ;
RedDiff = new Image_PseudoColorImage( LX, LY,
(UX-LX)+1, (UY-LY)+1,
TheColorMap,
Pixel1 ) ;
GreenDiff = new Image_PseudoColorImage( LX, LY,
(UX-LX)+1, (UY-LY)+1,
TheColorMap,
Pixel1 ) ;
BlueDiff = new Image_PseudoColorImage( LX, LY,
(UX-LX)+1, (UY-LY)+1,
TheColorMap,
Pixel1 ) ;
if ( RampLength == 2 ) { //B&W ColorMap
for ( y = LY ; y <= UY ; y++ ) {
for ( x = LX ; x <= UX ; x++ ) {
if ( ( x >= LX1 && x >= LX2 ) && ( x <= UX1 && x <= UX2 ) &&
( y >= LY1 && y >= LY2 ) && ( y <= UY1 && y <= UY2 ) ) {
Image1->PixelColor(x,y).Values( r1,g1,b1, Quantity_TOC_RGB ) ;
Image2->PixelColor(x,y).Values( r2,g2,b2, Quantity_TOC_RGB ) ;
if ( r1 == r2 ) RedDiff->SetPixel ( x,y, Pixel0 ) ;
if ( g1 == g2 ) GreenDiff->SetPixel( x,y, Pixel0 ) ;
if ( b1 == b2 ) BlueDiff->SetPixel ( x,y, Pixel0 ) ;
}
}
}
}
else {
for ( y = LY ; y <= UY ; y++ ) {
for ( x = LX ; x <= UX ; x++ ) {
if ( ( x >= LX1 && x >= LX2 ) && ( x <= UX1 && x <= UX2 ) &&
( y >= LY1 && y >= LY2 ) && ( y <= UY1 && y <= UY2 ) ) {
Image1->PixelColor(x,y).Values( r1,g1,b1, Quantity_TOC_RGB ) ;
Image2->PixelColor(x,y).Values( r2,g2,b2, Quantity_TOC_RGB ) ;
Error = BasePixel + Standard_Integer( Abs(r1-r2)*(RampLength-1) );
aPixel.SetValue( Error ) ; RedDiff->SetPixel( x,y, aPixel ) ;
Error = BasePixel + Standard_Integer( Abs(g1-g2)*(RampLength-1) );
aPixel.SetValue( Error ) ; GreenDiff->SetPixel( x,y, aPixel ) ;
Error = BasePixel + Standard_Integer( Abs(b1-b2)*(RampLength-1) );
aPixel.SetValue( Error ) ; BlueDiff->SetPixel( x,y, aPixel ) ;
}
}
}
Rescale( RedDiff ) ;
Rescale( GreenDiff ) ;
Rescale( BlueDiff ) ;
}
}
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