+++ /dev/null
-// Copyright (c) 1995-1999 Matra Datavision
-// Copyright (c) 1999-2012 OPEN CASCADE SAS
-//
-// The content of this file is subject to the Open CASCADE Technology Public
-// License Version 6.5 (the "License"). You may not use the content of this file
-// except in compliance with the License. Please obtain a copy of the License
-// at http://www.opencascade.org and read it completely before using this file.
-//
-// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
-// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
-//
-// The Original Code and all software distributed under the License is
-// distributed on an "AS IS" basis, without warranty of any kind, and the
-// Initial Developer hereby disclaims all such warranties, including without
-// limitation, any warranties of merchantability, fitness for a particular
-// purpose or non-infringement. Please see the License for the specific terms
-// and conditions governing the rights and limitations under the License.
-
-// Modified 23/02/98 : FMN ; Remplacement PI par Standard_PI
-
-// 10/11/98 : GG ; Protection sur methode IsOn() lorsque
-// les points sont confondus.
-
-#define G002 //GG_100500
-// Change IsOn method with a best computation on short segments.
-
-#include <Graphic2d_Line.ixx>
-
-Graphic2d_Line::Graphic2d_Line (const Handle(Graphic2d_GraphicObject)& aGraphicObject)
- :Graphic2d_Primitive (aGraphicObject),
- myTypeOfPolygonFilling (Graphic2d_TOPF_EMPTY),
- myDrawEdge (Standard_True),
- myWidthIndex (0),
- myTypeIndex (0),
- myPatternIndex (0),
- myInteriorColorIndex (1) {
-
- SetFamily(Graphic2d_TOP_LINE);
-}
-
-void Graphic2d_Line::SetWidthIndex (const Standard_Integer anIndex) {
-
- myWidthIndex = anIndex;
- ResetIndex ();
-
-}
-
-void Graphic2d_Line::SetTypeIndex (const Standard_Integer anIndex) {
-
- myTypeIndex = anIndex;
- ResetIndex ();
-
-}
-
-void Graphic2d_Line::SetInteriorColorIndex (const Standard_Integer anIndex) {
-
- myInteriorColorIndex = anIndex;
- ResetIndex ();
-
-}
-
-void Graphic2d_Line::SetDrawEdge (const Standard_Boolean aDraw) {
-
- myDrawEdge = aDraw;
- ResetIndex ();
-
-}
-
-void Graphic2d_Line::SetInteriorPattern (const Standard_Integer anIndex) {
-
- myPatternIndex = anIndex;
- ResetIndex ();
-
-}
-
-void Graphic2d_Line::SetTypeOfPolygonFilling (const Graphic2d_TypeOfPolygonFilling aType) {
-
- myTypeOfPolygonFilling = aType;
- ResetIndex ();
-
-}
-
-Standard_Integer Graphic2d_Line::WidthIndex () const {
-
- return myWidthIndex;
-
-}
-
-Standard_Integer Graphic2d_Line::InteriorColorIndex () const {
-
- return myInteriorColorIndex;
-
-}
-
-Standard_Integer Graphic2d_Line::InteriorPattern () const {
-
- return myPatternIndex;
-
-}
-
-Graphic2d_TypeOfPolygonFilling Graphic2d_Line::TypeOfPolygonFilling () const {
-
- return myTypeOfPolygonFilling;
-
-}
-
-Standard_Integer Graphic2d_Line::TypeIndex () const {
-
- return myTypeIndex;
-
-}
-
-void Graphic2d_Line::DrawLineAttrib (const Handle(Graphic2d_Drawer)& aDrawer)
- const {
-
- aDrawer->SetLineAttrib (myColorIndex,myTypeIndex,myWidthIndex);
-
- switch (myTypeOfPolygonFilling) {
- case Graphic2d_TOPF_FILLED:
- aDrawer->SetPolyAttrib (myInteriorColorIndex,0,myDrawEdge);
- break;
- case Graphic2d_TOPF_PATTERNED:
- aDrawer->SetPolyAttrib (myInteriorColorIndex,
- myPatternIndex,myDrawEdge);
- break;
- default: break;
- }
-
-}
-
-void Graphic2d_Line::DrawMarkerAttrib (const Handle(Graphic2d_Drawer)& aDrawer)
- const {
-
-Standard_Boolean filled = (myTypeOfPolygonFilling != Graphic2d_TOPF_EMPTY);
-
- switch (myTypeOfPolygonFilling) {
- case Graphic2d_TOPF_FILLED:
- aDrawer->SetPolyAttrib (myInteriorColorIndex,0,Standard_False);
- break;
- case Graphic2d_TOPF_PATTERNED:
- aDrawer->SetPolyAttrib (myInteriorColorIndex,myPatternIndex,Standard_False);
- break;
- default: break;
- }
-
- aDrawer->SetMarkerAttrib (myColorIndex,myWidthIndex,filled);
-
-}
-
-Standard_Boolean Graphic2d_Line::IsIn ( const Standard_ShortReal aX,
- const Standard_ShortReal aY,
- const TShort_Array1OfShortReal& X,
- const TShort_Array1OfShortReal& Y,
- const Standard_ShortReal aPrecision)
-{
- Standard_Integer i1=0,i2=0,n;
- Standard_Real dx1,dy1,dx2,dy2,anglesum=0.,angle;
- Standard_Real prosca,provec,norme1,norme2,cosin;
- n = X.Length ();
- for (Standard_Integer m = 1; m <= n; m++) {
- i1++;
- i2 = (i1 == n) ? 1 : i1 + 1;
- dx1 = X(i1) - aX; dy1 = Y(i1) - aY;
- dx2 = X(i2) - aX; dy2 = Y(i2) - aY;
- prosca = dx1 * dx2 + dy1 * dy2;
- provec = dx1 * dy2 - dx2 * dy1;
- norme1 = Sqrt ( dx1 * dx1 + dy1 * dy1 );
- norme2 = Sqrt ( dx2 * dx2 + dy2 * dy2 );
- if ( norme1 <= aPrecision || norme2 <= aPrecision ) return Standard_True;
-
- cosin = prosca / norme1 / norme2;
- if ( cosin >= 1 ) angle = 0.;
- else {
- if ( cosin <= -1) angle = - M_PI;
- else
- angle = Sign ( ACos ( cosin ) , provec );
- }
- anglesum = anglesum + angle;}
- return (Abs (anglesum) > 1.) ;
-}
-
-Standard_Boolean Graphic2d_Line::IsOn ( const Standard_ShortReal aX,
- const Standard_ShortReal aY,
- const Standard_ShortReal aX1,
- const Standard_ShortReal aY1,
- const Standard_ShortReal aX2,
- const Standard_ShortReal aY2,
- const Standard_ShortReal aPrecision)
-{
-
-Standard_ShortReal DX = aX2 - aX1, DY = aY2 - aY1, dd = DX*DX + DY*DY;
-
-
-#ifdef G002
- if( Sqrt(dd) < aPrecision )
-#else
- if( dd < aPrecision )
-#endif
- return (Abs (aX - aX1) + Abs (aY - aY1)) < aPrecision;
-
-Standard_ShortReal lambda = (DX*(aX-aX1) + DY*(aY-aY1)) / dd;
-
- if ( lambda >= 0. && lambda <= 1. ) {
-
- // On prend comme norme la somme des valeurs absolues:
- Standard_ShortReal Xproj = aX1 + lambda * DX;
- Standard_ShortReal Yproj = aY1 + lambda * DY;
- return (Abs (aX - Xproj) + Abs (aY - Yproj)) < aPrecision;
-
- }
- else
- return Standard_False;
-}
-
-void Graphic2d_Line::Save(Aspect_FStream& aFStream) const
-{
- *aFStream << myColorIndex << ' ' << myWidthIndex << endl;
- *aFStream << myTypeIndex << ' ' << myPatternIndex << endl;
- *aFStream << myInteriorColorIndex << ' ' << myTypeOfPolygonFilling << ' ' << myDrawEdge << endl;
-}
-
-void Graphic2d_Line::Retrieve(Aspect_IFStream& anIFStream)
-{
- int topf;
- *anIFStream >> myColorIndex >> myWidthIndex;
- *anIFStream >> myTypeIndex >> myPatternIndex;
- *anIFStream >> myInteriorColorIndex;
- *anIFStream >> topf;
- myTypeOfPolygonFilling=Graphic2d_TypeOfPolygonFilling(topf);
- *anIFStream >> myDrawEdge;
-}
-
projects / occt.git / blobdiff