bool BM2CMP_FRAME::OpenProjectFiles( const std::vector<wxString>& aFileSet, int aCtl ) { // Prj().MaybeLoadProjectSettings(); m_BitmapFileName = aFileSet[0]; if( !m_Pict_Image.LoadFile( m_BitmapFileName ) ) { // LoadFile has its own UI, no need for further failure notification here return false; } m_Pict_Bitmap = wxBitmap( m_Pict_Image ); int h = m_Pict_Bitmap.GetHeight(); int w = m_Pict_Bitmap.GetWidth(); // Determine image resolution in DPI (does not existing in all formats). // the resolution can be given in bit per inches or bit per cm in file m_imageDPI.x = m_Pict_Image.GetOptionInt( wxIMAGE_OPTION_RESOLUTIONX ); m_imageDPI.y = m_Pict_Image.GetOptionInt( wxIMAGE_OPTION_RESOLUTIONY ); if( m_imageDPI.x > 1 && m_imageDPI.y > 1 ) { if( m_Pict_Image.GetOptionInt( wxIMAGE_OPTION_RESOLUTIONUNIT ) == wxIMAGE_RESOLUTION_CM ) { // When the initial resolution is given in bits per cm, // experience shows adding 1.27 to the resolution converted in dpi // before convert to int value reduce the conversion error // but it is not perfect m_imageDPI.x = m_imageDPI.x * 2.54 + 1.27; m_imageDPI.y = m_imageDPI.y * 2.54 + 1.27; } } else // fallback to the default value m_imageDPI.x = m_imageDPI.y = DEFAULT_DPI; // Display image info: // We are using ChangeValue here to avoid generating a wxEVT_TEXT event. m_DPIValueX->ChangeValue( wxString::Format( wxT( "%d" ), m_imageDPI.x ) ); m_DPIValueY->ChangeValue( wxString::Format( wxT( "%d" ), m_imageDPI.y ) ); updateImageInfo(); m_InitialPicturePanel->SetVirtualSize( w, h ); m_GreyscalePicturePanel->SetVirtualSize( w, h ); m_BNPicturePanel->SetVirtualSize( w, h ); m_Greyscale_Image.Destroy(); m_Greyscale_Image = m_Pict_Image.ConvertToGreyscale( ); if( m_rbOptions->GetSelection() > 0 ) NegateGreyscaleImage( ); m_Greyscale_Bitmap = wxBitmap( m_Greyscale_Image ); m_NB_Image = m_Greyscale_Image; Binarize( (double) m_sliderThreshold->GetValue()/m_sliderThreshold->GetMax() ); return true; }
bool wxCreateGreyedImage(const wxImage& in, wxImage& out) { #if wxUSE_IMAGE out = in.ConvertToGreyscale(); if ( out.IsOk() ) return true; #endif // wxUSE_IMAGE return false; }
void wxSkinWindow::setImageNormal(const wxImage &imageNormal, bool deriveDisabled) { m_imageNormal = imageNormal; if(deriveDisabled) m_imageDisabled = imageNormal.ConvertToGreyscale(); else m_imageDisabled = imageNormal; OnSetBitmap(); }