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/*=========================================================================
Program: Visualization Toolkit
Module: TestGL2PSMathTextScaling.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 "vtkBrush.h"
#include "vtkContext2D.h"
#include "vtkContextItem.h"
#include "vtkContextScene.h"
#include "vtkContextView.h"
#include "vtkGL2PSExporter.h"
#include "vtkIntArray.h"
#include "vtkNew.h"
#include "vtkObjectFactory.h"
#include "vtkPath.h"
#include "vtkPoints.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkTestingInteractor.h"
#include "vtkTextProperty.h"
//------------------------------------------------------------------------------
class GL2PSMathTextScalingTest : public vtkContextItem
{
public:
static GL2PSMathTextScalingTest* New();
vtkTypeMacro(GL2PSMathTextScalingTest, vtkContextItem);
// Paint event for the chart, called whenever the chart needs to be drawn
bool Paint(vtkContext2D* painter) override;
};
//------------------------------------------------------------------------------
int TestGL2PSMathTextScaling(int, char*[])
{
// Set up a 2D context view, context test object and add it to the scene
vtkNew<vtkContextView> view;
view->GetRenderer()->SetBackground(1.0, 1.0, 1.0);
view->GetRenderWindow()->SetSize(500, 500);
view->GetRenderWindow()->SetDPI(120);
vtkNew<GL2PSMathTextScalingTest> test;
view->GetScene()->AddItem(test);
view->GetRenderWindow()->SetMultiSamples(0);
vtkNew<vtkGL2PSExporter> exp;
exp->SetRenderWindow(view->GetRenderWindow());
exp->SetFileFormatToPS();
exp->CompressOff();
exp->SetSortToSimple();
exp->DrawBackgroundOn();
exp->Write3DPropsAsRasterImageOff();
std::string fileprefix =
vtkTestingInteractor::TempDirectory + std::string("/TestGL2PSMathTextScaling");
exp->SetFilePrefix(fileprefix.c_str());
exp->Write();
view->GetInteractor()->Initialize();
view->GetInteractor()->Start();
return EXIT_SUCCESS;
}
vtkStandardNewMacro(GL2PSMathTextScalingTest);
bool GL2PSMathTextScalingTest::Paint(vtkContext2D* painter)
{
painter->GetBrush()->SetColor(50, 50, 128);
painter->DrawRect(0, 0, 500, 500);
painter->GetTextProp()->SetColor(.7, .4, .5);
painter->GetTextProp()->SetJustificationToLeft();
painter->GetTextProp()->SetVerticalJustificationToCentered();
painter->GetTextProp()->UseTightBoundingBoxOn();
for (int i = 0; i < 10; ++i)
{
int fontSize = 5 + i * 3;
float y = 500 - ((pow(i, 1.2) + 0.5) * 30);
painter->GetTextProp()->SetFontSize(fontSize);
painter->DrawString(5, y, "Text");
painter->DrawMathTextString(120, y, "MathText$\\ast$");
}
return true;
}
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