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/*=========================================================================
Program: Visualization Toolkit
Module: TestOpenGLPolyDataMapper.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.
=========================================================================*/
// .NAME Test of vtkLabelPlacementMapper
// .SECTION Description
// this program tests vtkLabelPlacementMapper which uses a sophisticated algorithm to
// prune labels/icons preventing them from overlapping.
#include <vtkCellArray.h>
#include <vtkProperty2D.h>
#include <vtkPolyData.h>
#include <vtkNew.h>
#include <vtkPolyDataMapper2D.h>
#include <vtkActor2D.h>
#include <vtkRenderWindow.h>
#include <vtkRenderer.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkTestUtilities.h>
#include <vtkRegressionTestImage.h>
int TestTransformCoordinateUseDouble(int argc, char *argv[])
{
vtkNew<vtkRenderWindow> renderWindow;
renderWindow->SetSize(400, 400);
// Create a box around the renderers
vtkNew<vtkPolyData> poly;
vtkNew<vtkPoints> points;
// Shift the points so they don't fall right between 2 pixels but on the on
// located on the top right.
double shift = 0.0002;
points->InsertNextPoint(0. + shift, 0. + shift, 0); // bottom-left
points->InsertNextPoint(1. + shift, 0. + shift, 0); // bottom-right
points->InsertNextPoint(1. + shift, 1. + shift, 0); // top-right
points->InsertNextPoint(0. + shift, 1. + shift, 0); // top-left
vtkNew<vtkCellArray> cells;
cells->InsertNextCell(5);
cells->InsertCellPoint(0);
cells->InsertCellPoint(1);
cells->InsertCellPoint(2);
cells->InsertCellPoint(3);
cells->InsertCellPoint(0);
poly->SetPoints(points.GetPointer());
poly->SetLines(cells.GetPointer());
int i = 6;
double x = 0.;
double y = 1. / 8.;
double width = 1. / 4.;
double height = 1. / 8.;
vtkNew<vtkRenderer> emptyRenderer;
emptyRenderer->SetViewport(0 , 0 , width, height);
renderWindow->AddRenderer(emptyRenderer.GetPointer());
while (--i)
{
vtkNew<vtkRenderer> renderer;
renderer->SetViewport(x , y , x + width, y + height);
vtkNew<vtkCoordinate> boxCoordinate;
boxCoordinate->SetCoordinateSystemToNormalizedViewport();
boxCoordinate->SetViewport(renderer.GetPointer());
vtkNew<vtkPolyDataMapper2D> polyDataMapper;
polyDataMapper->SetInputData(poly.GetPointer());
polyDataMapper->SetTransformCoordinate(boxCoordinate.GetPointer());
polyDataMapper->SetTransformCoordinateUseDouble(true);
vtkNew<vtkActor2D> boxActor;
boxActor->SetMapper(polyDataMapper.GetPointer());
renderer->AddActor2D(boxActor.GetPointer());
renderWindow->AddRenderer(renderer.GetPointer());
if ( i % 2 )
{
x += width;
y -= height;
height *= 2.;
}
else
{
x -= width;
y += height;
width *= 2.;
}
}
//Render and interact
vtkNew<vtkRenderWindowInteractor> interactor;
interactor->SetRenderWindow(renderWindow.GetPointer());
renderWindow->SetMultiSamples(0);
renderWindow->Render();
int retVal = vtkRegressionTestImage(renderWindow.GetPointer());
if(retVal == vtkRegressionTester::DO_INTERACTOR)
{
interactor->Start();
}
return !retVal;
}
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