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/*=========================================================================
Program: Visualization Toolkit
Module: TestGL2PSMathTextActor.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#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 <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.GetPointer());
vtkNew<vtkCellArray> verts;
anchors->SetVerts(verts.GetPointer());
vtkNew<vtkUnsignedCharArray> colors;
colors->SetNumberOfComponents(4);
anchors->GetCellData()->SetScalars(colors.GetPointer());
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.GetPointer(), anchors.GetPointer());
ren->AddActor(actor.GetPointer());
}
}
vtkNew<vtkPolyDataMapper2D> anchorMapper;
anchorMapper->SetInputData(anchors.GetPointer());
vtkNew<vtkActor2D> anchorActor;
anchorActor->SetMapper(anchorMapper.GetPointer());
anchorActor->GetProperty()->SetPointSize(5);
ren->AddActor(anchorActor.GetPointer());
vtkNew<vtkRenderWindow> win;
win->AddRenderer(ren.GetPointer());
vtkNew<vtkRenderWindowInteractor> iren;
iren->SetRenderWindow(win.GetPointer());
ren->SetBackground(0.0, 0.0, 0.0);
win->SetSize(width, height);
win->Render();
vtkNew<vtkGL2PSExporter> exp;
exp->SetRenderWindow(win.GetPointer());
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;
}
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