C++ (Cpp) expectedPainter Examples

Example #1

File: qgscompositionchecker.cpp Project: ShekharReddyN/QGIS

bool QgsCompositionChecker::testComposition( QString &theReport, int page, int pixelDiff )
{
  if ( !mComposition )
  {
    return false;
  }

  setControlName( "expected_" + mTestName );

#if 0
  //fake mode to generate expected image
  //assume 96 dpi and size of the control image 1122 * 794
  QImage newImage( QSize( 1122, 794 ), QImage::Format_RGB32 );
  mComposition->setPlotStyle( QgsComposition::Print );
  newImage.setDotsPerMeterX( 96 / 25.4 * 1000 );
  newImage.setDotsPerMeterY( 96 / 25.4 * 1000 );
  drawBackground( &newImage );
  QPainter expectedPainter( &newImage );
  //QRectF sourceArea( 0, 0, mComposition->paperWidth(), mComposition->paperHeight() );
  //QRectF targetArea( 0, 0, 3507, 2480 );
  mComposition->renderPage( &expectedPainter, page );
  expectedPainter.end();
  newImage.save( mExpectedImageFile, "PNG" );
  return true;
#endif //0

  QImage outputImage( mSize, QImage::Format_RGB32 );

  mComposition->setPlotStyle( QgsComposition::Print );
  outputImage.setDotsPerMeterX( mDotsPerMeter );
  outputImage.setDotsPerMeterY( mDotsPerMeter );
  drawBackground( &outputImage );
  QPainter p( &outputImage );
  mComposition->renderPage( &p, page );
  p.end();

  QString renderedFilePath = QDir::tempPath() + QDir::separator() + QFileInfo( mTestName ).baseName() + "_rendered.png";
  outputImage.save( renderedFilePath, "PNG" );

  setRenderedImage( renderedFilePath );

  bool testResult = runTest( mTestName, pixelDiff );

  theReport += report();

  return testResult;
}

Example #2

File: qgscompositionchecker.cpp Project: AaronGaim/QGIS

bool QgsCompositionChecker::testComposition( QString &report, int page, int pixelDiff )
{
  if ( !mComposition )
  {
    return false;
  }

  setControlName( "expected_" + mTestName );

#if 0
  //fake mode to generate expected image
  //assume 96 dpi and size of the control image 1122 * 794
  QImage newImage( QSize( 1122, 794 ), QImage::Format_ARGB32 );
  mComposition->setPlotStyle( QgsComposition::Print );
  newImage.setDotsPerMeterX( 96 / 25.4 * 1000 );
  newImage.setDotsPerMeterY( 96 / 25.4 * 1000 );
  newImage.fill( 0 );
  QPainter expectedPainter( &newImage );
  //QRectF sourceArea( 0, 0, mComposition->paperWidth(), mComposition->paperHeight() );
  //QRectF targetArea( 0, 0, 3507, 2480 );
  mComposition->renderPage( &expectedPainter, page );
  expectedPainter.end();
  newImage.save( mExpectedImageFile, "PNG" );
  return true;
#endif //0

  //load expected image
  QImage expectedImage( mExpectedImageFile );

  //get width/height, create image and render the composition to it
  int width = expectedImage.width();
  int height = expectedImage.height();
  QImage outputImage( QSize( width, height ), QImage::Format_ARGB32 );

  mComposition->setPlotStyle( QgsComposition::Print );
  outputImage.setDotsPerMeterX( expectedImage.dotsPerMeterX() );
  outputImage.setDotsPerMeterY( expectedImage.dotsPerMeterX() );
  outputImage.fill( 0 );
  QPainter p( &outputImage );
  mComposition->renderPage( &p, page );
  p.end();

  QString renderedFilePath = QDir::tempPath() + QDir::separator() + QFileInfo( mTestName ).baseName() + "_rendered.png";
  outputImage.save( renderedFilePath, "PNG" );

  QString diffFilePath = QDir::tempPath() + QDir::separator() + QFileInfo( mTestName ).baseName() + "_result_diff.png";

  bool testResult = compareImages( mTestName, pixelDiff, renderedFilePath );

  QString myDashMessage = "<DartMeasurementFile name=\"Rendered Image " + mTestName + "\""
                          " type=\"image/png\">" + renderedFilePath +
                          "</DartMeasurementFile>"
                          "<DartMeasurementFile name=\"Expected Image " + mTestName + "\" type=\"image/png\">" +
                          mExpectedImageFile + "</DartMeasurementFile>"
                          "<DartMeasurementFile name=\"Difference Image " + mTestName + "\" type=\"image/png\">" +
                          diffFilePath + "</DartMeasurementFile>";
  qDebug( ) << myDashMessage;

  report += mReport;
  return testResult;
}