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
|
// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkTextActor.h"
#include "vtkActor2D.h"
#include "vtkCamera.h"
#include "vtkCellArray.h"
#include "vtkCellData.h"
#include "vtkGL2PSExporter.h"
#include "vtkNew.h"
#include "vtkPolyData.h"
#include "vtkPolyDataMapper2D.h"
#include "vtkProperty2D.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkTestingInteractor.h"
#include "vtkTextProperty.h"
#include "vtkUnsignedCharArray.h"
#include <sstream>
namespace vtkGL2PSTestMathTextActor
{
void setupTextActor(vtkTextActor* actor, vtkPolyData* anchor)
{
vtkTextProperty* p = actor->GetTextProperty();
std::ostringstream label;
label << p->GetVerticalJustificationAsString()[0] << p->GetJustificationAsString()[0] << " "
<< "$\\theta = " << p->GetOrientation() << "$";
actor->SetInput(label.str().c_str());
// Add the anchor point:
double* pos = actor->GetPosition();
double* col = p->GetColor();
vtkIdType ptId = anchor->GetPoints()->InsertNextPoint(pos[0], pos[1], 0.);
anchor->GetVerts()->InsertNextCell(1, &ptId);
anchor->GetCellData()->GetScalars()->InsertNextTuple4(
col[0] * 255, col[1] * 255, col[2] * 255, 255);
}
} // end namespace vtkGL2PSTestMathTextActor3D
//------------------------------------------------------------------------------
int TestGL2PSMathTextActor(int, char*[])
{
using namespace vtkGL2PSTestMathTextActor;
vtkNew<vtkRenderer> ren;
int width = 600;
int height = 600;
int x[3] = { 100, 300, 500 };
int y[3] = { 100, 300, 500 };
// Render the anchor points to check alignment:
vtkNew<vtkPolyData> anchors;
vtkNew<vtkPoints> points;
anchors->SetPoints(points);
vtkNew<vtkCellArray> verts;
anchors->SetVerts(verts);
vtkNew<vtkUnsignedCharArray> colors;
colors->SetNumberOfComponents(4);
anchors->GetCellData()->SetScalars(colors);
for (size_t row = 0; row < 3; ++row)
{
for (size_t col = 0; col < 3; ++col)
{
vtkNew<vtkTextActor> actor;
switch (row)
{
case 0:
actor->GetTextProperty()->SetJustificationToRight();
break;
case 1:
actor->GetTextProperty()->SetJustificationToCentered();
break;
case 2:
actor->GetTextProperty()->SetJustificationToLeft();
break;
}
switch (col)
{
case 0:
actor->GetTextProperty()->SetVerticalJustificationToBottom();
break;
case 1:
actor->GetTextProperty()->SetVerticalJustificationToCentered();
break;
case 2:
actor->GetTextProperty()->SetVerticalJustificationToTop();
break;
}
actor->GetTextProperty()->SetFontSize(22);
actor->GetTextProperty()->SetOrientation(45.0 * (3 * row + col));
actor->GetTextProperty()->SetColor(0.75, .2 + col * .26, .2 + row * .26);
actor->GetTextProperty()->SetBackgroundColor(0.0, 1. - col * .26, 1. - row * .26);
actor->GetTextProperty()->SetBackgroundOpacity(0.25);
actor->SetPosition(x[col], y[row]);
setupTextActor(actor, anchors);
ren->AddActor(actor);
}
}
vtkNew<vtkPolyDataMapper2D> anchorMapper;
anchorMapper->SetInputData(anchors);
vtkNew<vtkActor2D> anchorActor;
anchorActor->SetMapper(anchorMapper);
anchorActor->GetProperty()->SetPointSize(5);
ren->AddActor(anchorActor);
vtkNew<vtkRenderWindow> win;
win->AddRenderer(ren);
vtkNew<vtkRenderWindowInteractor> iren;
iren->SetRenderWindow(win);
ren->SetBackground(0.0, 0.0, 0.0);
win->SetSize(width, height);
win->Render();
vtkNew<vtkGL2PSExporter> exp;
exp->SetRenderWindow(win);
exp->SetFileFormatToPS();
exp->CompressOff();
exp->SetSortToSimple();
exp->DrawBackgroundOn();
std::string fileprefix =
vtkTestingInteractor::TempDirectory + std::string("/TestGL2PSMathTextActor");
exp->SetFilePrefix(fileprefix.c_str());
exp->Write();
win->SetMultiSamples(0);
win->GetInteractor()->Initialize();
win->GetInteractor()->Start();
return EXIT_SUCCESS;
}
|
