void
ImageViewController::requestImageAndGridUpdate()
{
// erase current grid
// m_gridVG = Nullable < Carta::Lib::VectorGraphics::VGList > ();
auto renderSize = m_renderService-> outputSize();
m_wcsGridRenderer-> setOutputSize( renderSize );
int leftMargin = 50;
int rightMargin = 10;
int bottomMargin = 50;
int topMargin = 10;
QRectF outputRect( leftMargin, topMargin,
renderSize.width() - leftMargin - rightMargin,
renderSize.height() - topMargin - bottomMargin );
QRectF inputRect(
m_renderService-> screen2img( outputRect.topLeft() ),
m_renderService-> screen2img( outputRect.bottomRight() ) );
m_wcsGridRenderer-> setImageRect( inputRect );
m_wcsGridRenderer-> setOutputRect( outputRect );
// m_igSync-> startAll();
m_syncSvc-> startImage();
m_syncSvc-> startGrid();
} // updateGridAfterPanZoom
//////////////////////////////////////////////////////////////////////////////
//
// void ExportGraphicImage( RBitmapImage* pImage, RMBCString *pInitialDir )
//
// export a graphic to file from a bitmap image
//
//////////////////////////////////////////////////////////////////////////////
void ExportGraphicImage( RBitmapImage* pImage, RMBCString *pInitialDir /*=NULL*/)
{
RImageLibrary rLibrary ;
CArray<int, int> arrFileFormats ;
//
// Build the export file filter list...
//
CString strFilter, str ;
for (int i = 0; i < kNumFormats - 1; i++)
{
if (rLibrary.IsFormatSupported( (EImageFormat) kImageExportFilters[i][0] ))
{
str.LoadString( kImageExportFilters[i][1] ) ;
strFilter += str ;
arrFileFormats.Add( kImageExportFilters[i][0] ) ;
}
}
TpsAssert( kImageExportFilters[i][0] == kImageFormatXRX, "Invalid export format!" ) ;
str.LoadString( kImageExportFilters[i][1] ) ;
strFilter += str ;
strFilter += "|" ;
arrFileFormats.Add( kImageExportFilters[i][0] ) ;
//
// Create and execute the dialog...
//
RExportGraphicDlg dlg( pImage, strFilter ) ;
// Load in the dialog title string
CString strTitle ;
strTitle.LoadString( STRING_EXPORT_IMAGE_DIALOG_TITLE ) ;
dlg.m_ofn.lpstrTitle = (LPCTSTR) strTitle ;
if( pInitialDir )
{
dlg.m_ofn.lpstrInitialDir = (LPCTSTR)*pInitialDir;
}
if (IDOK == dlg.DoModal())
{
RMBCString strPathName = dlg.GetPathName() ;
EImageFormat eFormat = (EImageFormat) arrFileFormats[dlg.m_ofn.nFilterIndex - 1] ;
try
{
if (kImageFormatXRX == eFormat) // exporting as WMF
{
// get our output image size
RRealSize rRealOutputSize( dlg.GetSize() );
RRealSize screenDPI = ::GetScreenDPI();
// create a vector image
RVectorImage vectorImage;
vectorImage.SetSuggestedWidthInInches( ::PixelsToInches( rRealOutputSize.m_dx, (uLONG) screenDPI.m_dx ) );
vectorImage.SetSuggestedHeightInInches( ::PixelsToInches( rRealOutputSize.m_dy, (uLONG) screenDPI.m_dy ) );
// Create an offscreen drawing surface and set the picture
ROffscreenDrawingSurface rODS;
rODS.SetImage( &vectorImage );
// Scale to the device DPI
RRealSize rRealImageSize = pImage->GetSizeInLogicalUnits();
R2dTransform transform ;
RRealSize deviceDPI = rODS.GetDPI();
transform.PreScale( (YFloatType) deviceDPI.m_dx / screenDPI.m_dy,
(YFloatType) deviceDPI.m_dy / screenDPI.m_dy );
transform.PreScale( rRealOutputSize.m_dx / rRealImageSize.m_dx,
rRealOutputSize.m_dy / rRealImageSize.m_dy ) ;
// calculate the output rect
RRealRect outputRect( rRealOutputSize ) ;
::ScreenUnitsToLogicalUnits( outputRect );
outputRect *= transform;
// render to the offscreen
pImage->Render( rODS, outputRect ) ;
// clean up
rODS.ReleaseImage();
// export
rLibrary.ExportImage( vectorImage, strPathName, kImageFormatXRX ) ;
if (rLibrary.GetLastException() != kNoError)
{
throw rLibrary.GetLastException() ;
}
}
else // all other formats
{
_nFilterIndex = dlg.m_ofn.nFilterIndex ;
EImageFormat eFormat = (EImageFormat) arrFileFormats[dlg.m_ofn.nFilterIndex - 1] ;
rLibrary.ExportImage( *pImage, strPathName, eFormat );
if (rLibrary.GetLastException() != kNoError)
{
throw rLibrary.GetLastException() ;
}
}
}
catch( YException e)
{
ReportException( e ) ;
}
}
}
//////////////////////////////////////////////////////////////////////////////
//
// void ExportGraphicComponent( RComponentView* pComponentView, RMBCString *pInitialDir )
//
// export a graphic to file from a component view
//
//////////////////////////////////////////////////////////////////////////////
void ExportGraphicComponent( RComponentView* pComponentView, RMBCString *pInitialDir /*=NULL*/)
{
RImageLibrary rLibrary ;
CArray<int, int> arrFileFormats ;
//
// Build the export file filter list...
//
CString strFilter, str ;
for (int i = 0; i < kNumFormats - 1; i++)
{
if (rLibrary.IsFormatSupported( (EImageFormat) kImageExportFilters[i][0] ))
{
str.LoadString( kImageExportFilters[i][1] ) ;
strFilter += str ;
arrFileFormats.Add( kImageExportFilters[i][0] ) ;
}
}
TpsAssert( kImageExportFilters[i][0] == kImageFormatXRX, "Invalid export format!" ) ;
str.LoadString( kImageExportFilters[i][1] ) ;
strFilter += str ;
strFilter += "|" ;
arrFileFormats.Add( kImageExportFilters[i][0] ) ;
//
// Create and execute the dialog...
//
RExportGraphicDlg dlg( pComponentView, strFilter ) ;
// Load in the dialog title string
CString strTitle ;
strTitle.LoadString( STRING_EXPORT_IMAGE_DIALOG_TITLE ) ;
dlg.m_ofn.lpstrTitle = (LPCTSTR) strTitle ;
if( pInitialDir )
{
dlg.m_ofn.lpstrInitialDir = (LPCTSTR)*pInitialDir;
}
if (IDOK == dlg.DoModal())
{
RMBCString strPathName = dlg.GetPathName() ;
RIntSize szImageSize = dlg.GetSize() ;
_nFilterIndex = dlg.m_ofn.nFilterIndex ;
EImageFormat eFormat = (EImageFormat) arrFileFormats[dlg.m_ofn.nFilterIndex - 1] ;
RRealSize pictureSize = pComponentView->GetReferenceSize() ;
try
{
if (kImageFormatXRX == eFormat)
{
RRealSize outputSize( szImageSize.m_dx, szImageSize.m_dy ) ; // = pictureSize ;
RRealSize screenDPI = ::GetScreenDPI() ;
RVectorImage vectorImage ;
vectorImage.SetSuggestedWidthInInches( ::PixelsToInches( outputSize.m_dx, (uLONG) screenDPI.m_dx ) ) ;
vectorImage.SetSuggestedHeightInInches( ::PixelsToInches( outputSize.m_dy, (uLONG) screenDPI.m_dy ) ) ;
// Create an offscreen drawing surface and set the picture
ROffscreenDrawingSurface drawingSurface;
drawingSurface.SetImage( &vectorImage );
R2dTransform transform ;
// Scale to the device DPI
RRealSize deviceDPI = drawingSurface.GetDPI( );
transform.PreScale( (YFloatType) deviceDPI.m_dx / screenDPI.m_dy,
(YFloatType) deviceDPI.m_dy / screenDPI.m_dy );
transform.PreScale(
outputSize.m_dx / pictureSize.m_dx,
outputSize.m_dy / pictureSize.m_dy ) ;
// Render the component
RRealRect outputRect( pictureSize ) ;
pComponentView->Render( drawingSurface, transform, outputRect ) ;
drawingSurface.ReleaseImage( );
rLibrary.ExportImage( vectorImage, strPathName, kImageFormatXRX ) ;
if (rLibrary.GetLastException() != kNoError)
{
throw rLibrary.GetLastException() ;
}
} // if (XRX)
else
{
// Check for a image interface
RImageInterface* pInterface = (RImageInterface *)
pComponentView->GetInterface( kImageInterfaceId ) ;
if (pInterface)
{
pInterface->Export( strPathName, eFormat ) ;
delete pInterface ;
}
else
{
// Initialize the new bitmap at a bit depth of 24
RBitmapImage image ;
image.Initialize( szImageSize.m_dx, szImageSize.m_dy, 24 ) ;
ROffscreenDrawingSurface dsMem ;
dsMem.SetImage( &image ) ;
R2dTransform transform ;
transform.PreScale(
szImageSize.m_dx / pictureSize.m_dx,
szImageSize.m_dy / pictureSize.m_dy ) ;
// Render the component
dsMem.SetFillColor( RSolidColor( kWhite ) ) ;
dsMem.FillRectangle( RRealRect( pictureSize ), transform ) ;
pComponentView->Render( dsMem, transform, RIntRect(
RIntSize( pictureSize.m_dx, pictureSize.m_dy ) ) ) ;
dsMem.ReleaseImage() ;
rLibrary.ExportImage( image, strPathName, eFormat ) ;
}
if (rLibrary.GetLastException() != kNoError)
{
throw rLibrary.GetLastException() ;
}
} // else
} // try
catch( YException e)
{
ReportException( e ) ;
}
} // if (IDOK)
}