/usr/include/opencascade/Prs3d_Line.gxx is in libopencascade-visualization-dev 6.5.0.dfsg-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | #include <Graphic3d_Array1OfVertex.hxx>
#include <Graphic3d_Vertex.hxx>
#include <Graphic3d_Group.hxx>
#include <Prs3d_Arrow.hxx>
#include <Prs3d_ArrowAspect.hxx>
#include <gp_Pnt.hxx>
#include <gp_Dir.hxx>
#include <Prs3d_LineAspect.hxx>
#include <Prs3d.hxx>
static void DrawLine (const anyLine& aLine,
const Handle(Graphic3d_Group)& aGroup) {
Standard_Integer Count=0;
Quantity_Length x,y,z;
Standard_Integer Lower = LineTool::Lower(aLine);
Standard_Integer Upper = LineTool::Upper(aLine);
Graphic3d_Array1OfVertex VertexArray(1,Upper-Lower+1);
for (Standard_Integer i=Lower;i<=Upper;i++){
LineTool::Coord(aLine,i,x,y,z);
VertexArray(++Count).SetCoord(x,y,z);
}
aGroup->Polyline(VertexArray);
}
void Prs3d_Line::Add (const Handle (Prs3d_Presentation)& aPresentation,
const anyLine& aLine,
const Handle (Prs3d_Drawer)& aDrawer){
// Prs3d_Root::NewGroup(aPresentation);
Handle(Graphic3d_Group) TheGroup = Prs3d_Root::CurrentGroup(aPresentation);
TheGroup->SetPrimitivesAspect(aDrawer->LineAspect()->Aspect());
DrawLine(aLine,TheGroup);
if (aDrawer->LineArrowDraw()) {
Standard_Integer Lower = LineTool::Lower(aLine);
Standard_Integer Upper = LineTool::Upper(aLine);
if ( Upper > Lower ){
Quantity_Length x1,y1,z1,x2,y2,z2;
LineTool::Coord(aLine,Upper-1,x1,y1,z1);
LineTool::Coord(aLine,Upper,x2,y2,z2);
Prs3d_Arrow::Draw(aPresentation,
gp_Pnt(x2,y2,z2),
gp_Dir(x2-x1,y2-y1,z2-z1),
aDrawer->ArrowAspect()->Angle(),
aDrawer->ArrowAspect()->Length());
}
}
}
void Prs3d_Line::Add (const Handle (Prs3d_Presentation)& aPresentation,
const anyLine& aLine){
DrawLine (aLine,Prs3d_Root::CurrentGroup(aPresentation));
}
Standard_Integer Prs3d_Line::Pick
(const Quantity_Length X,
const Quantity_Length Y,
const Quantity_Length Z,
const Quantity_Length aDistance,
const anyLine& aLine,
const Handle (Prs3d_Drawer)& aDrawer,
const Prs3d_TypeOfLinePicking TypeOfPicking){
Standard_Integer Lower = LineTool::Lower(aLine);
Standard_Integer Upper = LineTool::Upper(aLine);
Standard_Integer num = 0;
Quantity_Length X1,Y1,Z1,X2,Y2,Z2,dist;
Standard_Real DistMin = RealLast();
for (Standard_Integer i=Lower;i<=Upper;i++){
LineTool::Coord(aLine,i,X2,Y2,Z2);
switch (TypeOfPicking) {
case Prs3d_TOLP_Point: {
dist = Abs(X-X2)+Abs(Y-Y2)+ Abs(Z-Z2);
if(dist < aDistance) {
if (dist < DistMin) {
DistMin = dist;
num = i;
}
}
}
break;
case Prs3d_TOLP_Segment: {
if (i > 1) {
if (Prs3d::MatchSegment
(X,Y,Z,aDistance,gp_Pnt(X1,Y1,Z1),gp_Pnt(X2,Y2,Z2),dist)){
if(dist < aDistance) {
if (dist < DistMin) {
DistMin = dist;
num = i;
}
}
}
}
X1=X2;Y1=Y2;Z1=Z2;
}
break;
}
}
return num;
}
|