QImageToImageSource
VTKExamples/Cxx/Qt/QImageToImageSource
Description
This example demonstrates the use of vtkQImageToImageSource.
See also the ImageDataToQImage example.
Code
QImageToImageSource.cxx
#include <QApplication>
#include <QPixmap>
#include "vtkSmartPointer.h"
#include "vtkQImageToImageSource.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QPixmap pixmap(10,10);
QColor color(10,20,30);
pixmap.fill(color);
vtkSmartPointer<vtkQImageToImageSource> qimageToImageSource =
vtkSmartPointer<vtkQImageToImageSource>::New();
QImage qimage = pixmap.toImage();
qimageToImageSource->SetQImage(&qimage);
qimageToImageSource->Update();
// vtkImageData* image = qimageToImageSource->GetOutput();
return EXIT_SUCCESS;
}
CMakeLists.txt
cmake_minimum_required(VERSION 2.8)
PROJECT(QImageToImageSource)
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
add_executable(QImageToImageSource MACOSX_BUNDLE QImageToImageSource.cxx)
target_link_libraries(QImageToImageSource ${VTK_LIBRARIES})
Download and Build QImageToImageSource
Click here to download QImageToImageSource and its CMakeLists.txt file. Once the tarball QImageToImageSource.tar has been downloaded and extracted,
cd QImageToImageSource/build
If VTK is installed:
cmake ..
If VTK is not installed but compiled on your system, you will need to specify the path to your VTK build:
cmake -DVTK_DIR:PATH=/home/me/vtk_build ..
Build the project:
make
and run it:
./QImageToImageSource
WINDOWS USERS PLEASE NOTE: Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.