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

Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.