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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
// Created on: 2020-01-25
// Created by: Natalia ERMOLAEVA
// Copyright (c) 2020 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <inspector/View_DisplayPreview.hxx>
#include <inspector/View_PreviewParameters.hxx>
#include <inspector/ViewControl_Tools.hxx>
#include <inspector/Convert_Tools.hxx>
#include <inspector/Convert_TransientShape.hxx>
#include <AIS_InteractiveContext.hxx>
#include <AIS_InteractiveObject.hxx>
#include <AIS_Shape.hxx>
#include <BRep_Builder.hxx>
#include <BRepBuilderAPI_MakeVertex.hxx>
#include <BRepBuilderAPI_MakeEdge.hxx>
#include <BRepBuilderAPI_MakeFace.hxx>
#include <BRepBuilderAPI_MakeWire.hxx>
#include <Geom_Axis2Placement.hxx>
#include <Prs3d_PointAspect.hxx>
#include <TopoDS_Compound.hxx>
static void enableGlobalClipping(const Handle(AIS_InteractiveObject)& theObject,
const bool theIsEnable)
{
if (theIsEnable)
{
theObject->SetClipPlanes(Handle(Graphic3d_SequenceOfHClipPlane)());
}
else
{
Handle(Graphic3d_SequenceOfHClipPlane) aPlanes = new Graphic3d_SequenceOfHClipPlane();
aPlanes->SetOverrideGlobal(Standard_True);
theObject->SetClipPlanes(aPlanes);
}
}
// =======================================================================
// function : Constructor
// purpose :
// =======================================================================
View_DisplayPreview::View_DisplayPreview()
{
myPreviewParameters = new View_PreviewParameters();
}
// =======================================================================
// function : SetContext
// purpose :
// =======================================================================
void View_DisplayPreview::SetContext(const Handle(AIS_InteractiveContext)& theContext)
{
if (myContext == theContext)
return;
// remove all preview presentations from the previous context, display it in the new
myContext = theContext;
if (!theContext.IsNull())
myPreviewParameters->GetDrawer()->Link(theContext->DefaultDrawer());
}
// =======================================================================
// function : UpdatePreview
// purpose :
// =======================================================================
void View_DisplayPreview::UpdatePreview(
const View_DisplayActionType,
const NCollection_List<Handle(Standard_Transient)>& thePresentations)
{
if (myContext.IsNull())
return;
int aPreviewDisplayMode = AIS_Shaded;
// clear previous previews
for (NCollection_List<Handle(AIS_InteractiveObject)>::Iterator anIterator(
myPreviewReadyPresentations);
anIterator.More();
anIterator.Next())
{
if (!anIterator.Value()->GetContext().IsNull())
anIterator.Value()->GetContext()->Remove(anIterator.Value(), Standard_True);
}
myPreviewReadyPresentations.Clear();
if (thePresentations.IsEmpty())
{
if (!myPreviewPresentation.IsNull() && !myPreviewPresentation->GetContext().IsNull())
myPreviewPresentation->GetContext()->Remove(myPreviewPresentation, Standard_True);
myPreviewPresentation = NULL;
return;
}
// display parameter previews
BRep_Builder aBuilder;
TopoDS_Compound aCompound;
aBuilder.MakeCompound(aCompound);
for (NCollection_List<Handle(Standard_Transient)>::Iterator anIterator(thePresentations);
anIterator.More();
anIterator.Next())
{
if (Handle(Convert_TransientShape) aShapePtr =
Handle(Convert_TransientShape)::DownCast(anIterator.Value()))
{
aBuilder.Add(aCompound, aShapePtr->Shape());
}
Handle(AIS_InteractiveObject) aPrs =
Handle(AIS_InteractiveObject)::DownCast(anIterator.Value());
if (!aPrs.IsNull() && aPrs->GetContext().IsNull() /*is not displayed in another context*/)
{
myContext->Display(
aPrs,
aPreviewDisplayMode,
View_DisplayPreview::PreviewSelectionMode() /*participate only in custom selection*/,
Standard_True);
enableGlobalClipping(aPrs, false);
myPreviewReadyPresentations.Append(aPrs);
}
}
if (myPreviewPresentation.IsNull())
{
myPreviewPresentation = new AIS_Shape(aCompound);
myPreviewPresentation->Attributes()->SetAutoTriangulation(Standard_False);
Quantity_Color aColor(Quantity_NOC_TOMATO);
myPreviewPresentation->Attributes()->SetPointAspect(
new Prs3d_PointAspect(Aspect_TOM_O_PLUS, aColor, 3.0));
myPreviewPresentation->SetAttributes(myPreviewParameters->GetDrawer());
myContext->Display(
myPreviewPresentation,
aPreviewDisplayMode,
View_DisplayPreview::PreviewSelectionMode() /*participate only in custom selection*/,
Standard_True);
enableGlobalClipping(myPreviewPresentation, false);
}
else
{
Handle(AIS_Shape)::DownCast(myPreviewPresentation)->Set(aCompound);
if (!myPreviewPresentation->GetContext().IsNull())
{
myPreviewPresentation->GetContext()->Redisplay(myPreviewPresentation, Standard_True);
}
}
}
|
