C++ (Cpp) QgsMapSettings::backgroundColor 예제들

예제 #1

파일: qgsmaprendererjob.cpp 프로젝트: Aladar64/QGIS

QImage QgsMapRendererJob::composeImage( const QgsMapSettings& settings, const LayerRenderJobs& jobs )
{
  QImage image( settings.outputSize(), settings.outputImageFormat() );
  image.fill( settings.backgroundColor().rgb() );

  QPainter painter( &image );

  for ( LayerRenderJobs::const_iterator it = jobs.constBegin(); it != jobs.constEnd(); ++it )
  {
    const LayerRenderJob& job = *it;

    painter.setCompositionMode( job.blendMode );

    Q_ASSERT( job.img != 0 );
    painter.drawImage( 0, 0, *job.img );
  }

  painter.end();
  return image;
}