bitmap2cmp_gui.cpp

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/*
 * This program source code file is part of KICAD, a free EDA CAD application.
 *
 * Copyright (C) 1992-2010 jean-pierre.charras
 * Copyright (C) 1992-2021 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "bitmap2cmp_gui.h"
#include "bitmap2component.h"
#include <bitmap2cmp_settings.h>
#include <bitmap_io.h>
#include <bitmaps.h>
#include <kiface_base.h>
#include <math/util.h> // for KiROUND
#include <kiway.h>
#include <potracelib.h>
#include <wildcards_and_files_ext.h>
#include <wx/clipbrd.h>
#include <wx/rawbmp.h>
#include <wx/filedlg.h>
#include <wx/rawbmp.h>
#include <wx/msgdlg.h>
#include <wx/dcclient.h>
#include <wx/log.h>


#include "bitmap2cmp_gui_base.h"


#define DEFAULT_DPI 300 // the image DPI used in formats that do not define a DPI

IMAGE_SIZE::IMAGE_SIZE()
{
 m_outputSize = 0.0;
 m_originalDPI = DEFAULT_DPI;
 m_originalSizePixels = 0;
 m_unit = EDA_UNITS::MILLIMETRES;
}


void IMAGE_SIZE::SetOutputSizeFromInitialImageSize()
{
 // Safety-check to guarantee no divide-by-zero
 m_originalDPI = std::max( 1, m_originalDPI );

 // Set the m_outputSize value from the m_originalSizePixels and the selected unit
 if( m_unit == EDA_UNITS::MILLIMETRES )
 {
 m_outputSize = (double)GetOriginalSizePixels() / m_originalDPI * 25.4;
 }
 else if( m_unit == EDA_UNITS::INCHES )
 {
 m_outputSize = (double)GetOriginalSizePixels() / m_originalDPI;
 }
 else
 {
 m_outputSize = m_originalDPI;
 }

}


int IMAGE_SIZE::GetOutputDPI()
{
 int outputDPI;

 if( m_unit == EDA_UNITS::MILLIMETRES )
 {
 outputDPI = GetOriginalSizePixels() / ( m_outputSize / 25.4 );
 }
 else if( m_unit == EDA_UNITS::INCHES )
 {
 outputDPI = GetOriginalSizePixels() / m_outputSize;
 }
 else
 {
 outputDPI = KiROUND( m_outputSize );
 }

 // Zero is not a DPI, and may cause divide-by-zero errors...
 outputDPI = std::max( 1, outputDPI );

 return outputDPI;
}


void IMAGE_SIZE::SetUnit( EDA_UNITS aUnit )
{
 // Set the unit used for m_outputSize, and convert the old m_outputSize value
 // to the value in new unit
 if( aUnit == m_unit )
 return;

 // Convert m_outputSize to mm:
 double size_mm;

 if( m_unit == EDA_UNITS::MILLIMETRES )
 {
 size_mm = m_outputSize;
 }
 else if( m_unit == EDA_UNITS::INCHES )
 {
 size_mm = m_outputSize * 25.4;
 }
 else
 {
 // m_outputSize is the DPI, not an image size
 // the image size is m_originalSizePixels / m_outputSize (in inches)
 if( m_outputSize )
 size_mm = m_originalSizePixels / m_outputSize * 25.4;
 else
 size_mm = 0;
 }

 // Convert m_outputSize to new value:
 if( aUnit == EDA_UNITS::MILLIMETRES )
 {
 m_outputSize = size_mm;
 }
 else if( aUnit == EDA_UNITS::INCHES )
 {
 m_outputSize = size_mm / 25.4;
 }
 else
 {
 if( size_mm )
 m_outputSize = m_originalSizePixels / size_mm * 25.4;
 else
 m_outputSize = 0;
 }

 m_unit = aUnit;
}



BM2CMP_FRAME::BM2CMP_FRAME( KIWAY* aKiway, wxWindow* aParent ) :
 BM2CMP_FRAME_BASE( aParent )
{
 SetKiway( this, aKiway );

 for( wxString unit : { _( "mm" ), _( "Inch" ), _( "DPI" ) } )
 m_PixelUnit->Append( unit );

 LoadSettings( config() );

 m_outputSizeX.SetUnit( getUnitFromSelection() );
 m_outputSizeY.SetUnit( getUnitFromSelection() );
 m_outputSizeX.SetOutputSize( 0, getUnitFromSelection() );
 m_outputSizeY.SetOutputSize( 0, getUnitFromSelection() );

 m_UnitSizeX->ChangeValue( FormatOutputSize( m_outputSizeX.GetOutputSize() ) );
 m_UnitSizeY->ChangeValue( FormatOutputSize( m_outputSizeY.GetOutputSize() ) );

 //Set icon for aspect ratio
 m_AspectRatioLocked = true;
 m_AspectRatio = 1;
 m_AspectRatioLockButton->SetBitmap( KiBitmap( BITMAPS::locked ) );

 // Give an icon
 wxIcon icon;
 wxIconBundle icon_bundle;

 icon.CopyFromBitmap( KiBitmap( BITMAPS::icon_bitmap2component ) );
 icon_bundle.AddIcon( icon );
 icon.CopyFromBitmap( KiBitmap( BITMAPS::icon_bitmap2component_32 ) );
 icon_bundle.AddIcon( icon );
 icon.CopyFromBitmap( KiBitmap( BITMAPS::icon_bitmap2component_16 ) );
 icon_bundle.AddIcon( icon );

 SetIcons( icon_bundle );

 GetSizer()->SetSizeHints( this );

 m_buttonExportFile->Enable( false );
 m_buttonExportClipboard->Enable( false );

 SetSize( m_framePos.x, m_framePos.y, m_frameSize.x, m_frameSize.y );

 if ( m_framePos == wxDefaultPosition )
 Centre();
}


BM2CMP_FRAME::~BM2CMP_FRAME()
{
 SaveSettings( config() );
 /*
 * This needed for OSX: avoids further OnDraw processing after this
 * destructor and before the native window is destroyed
 */
 Freeze();
}


wxWindow* BM2CMP_FRAME::GetToolCanvas() const
{
 return m_Notebook->GetCurrentPage();
}


void BM2CMP_FRAME::LoadSettings( APP_SETTINGS_BASE* aCfg )
{
 EDA_BASE_FRAME::LoadSettings( aCfg );

 auto cfg = static_cast<BITMAP2CMP_SETTINGS*>( aCfg );

 m_BitmapFileName = cfg->m_BitmapFileName;
 m_ConvertedFileName = cfg->m_ConvertedFileName;

 int u_select = cfg->m_Units;

 if( u_select < 0 || u_select > 2 ) // Validity control
 u_select = 0;

 m_PixelUnit->SetSelection( u_select );

 m_sliderThreshold->SetValue( cfg->m_Threshold );

 m_Negative = cfg->m_Negative;
 m_checkNegative->SetValue( cfg->m_Negative );
 m_exportToClipboard = false;
 m_AspectRatioLocked = false;

 int format = cfg->m_LastFormat;

 if( format < 0 || format > FINAL_FMT )
 format = PCBNEW_KICAD_MOD;

 m_rbOutputFormat->SetSelection( format );

 if( format == PCBNEW_KICAD_MOD )
 m_rbPCBLayer->Enable( true );
 else
 m_rbPCBLayer->Enable( false );

 int last_layer = cfg->m_LastModLayer;

 if( last_layer > static_cast<int>( MOD_LYR_FINAL ) ) // Out of range
 m_rbPCBLayer->SetSelection( MOD_LYR_FSILKS );
 else
 m_rbPCBLayer->SetSelection( last_layer );
}


void BM2CMP_FRAME::SaveSettings( APP_SETTINGS_BASE* aCfg )
{
 EDA_BASE_FRAME::SaveSettings( aCfg );

 auto cfg = static_cast<BITMAP2CMP_SETTINGS*>( aCfg );

 cfg->m_BitmapFileName = m_BitmapFileName;
 cfg->m_ConvertedFileName = m_ConvertedFileName;
 cfg->m_Threshold = m_sliderThreshold->GetValue();
 cfg->m_Negative = m_checkNegative->IsChecked();
 cfg->m_LastFormat = m_rbOutputFormat->GetSelection();
 cfg->m_LastModLayer = m_rbPCBLayer->GetSelection();
 cfg->m_Units = m_PixelUnit->GetSelection();
}


void BM2CMP_FRAME::OnPaintInit( wxPaintEvent& event )
{
#ifdef __WXMAC__
 // Otherwise fails due: using wxPaintDC without being in a native paint event
 wxClientDC pict_dc( m_InitialPicturePanel );
#else
 wxPaintDC pict_dc( m_InitialPicturePanel );
#endif

 m_InitialPicturePanel->PrepareDC( pict_dc );

 // OSX crashes with empty bitmaps (on initial refreshes)
 if( m_Pict_Bitmap.IsOk() )
 pict_dc.DrawBitmap( m_Pict_Bitmap, 0, 0, !!m_Pict_Bitmap.GetMask() );

 event.Skip();
}


void BM2CMP_FRAME::OnPaintGreyscale( wxPaintEvent& event )
{
#ifdef __WXMAC__
 // Otherwise fails due: using wxPaintDC without being in a native paint event
 wxClientDC greyscale_dc( m_GreyscalePicturePanel );
#else
 wxPaintDC greyscale_dc( m_GreyscalePicturePanel );
#endif

 m_GreyscalePicturePanel->PrepareDC( greyscale_dc );

 // OSX crashes with empty bitmaps (on initial refreshes)
 if( m_Greyscale_Bitmap.IsOk() )
 greyscale_dc.DrawBitmap( m_Greyscale_Bitmap, 0, 0, !!m_Greyscale_Bitmap.GetMask() );

 event.Skip();
}


void BM2CMP_FRAME::OnPaintBW( wxPaintEvent& event )
{
#ifdef __WXMAC__
 // Otherwise fails due: using wxPaintDC without being in a native paint event
 wxClientDC nb_dc( m_BNPicturePanel );
#else
 wxPaintDC nb_dc( m_BNPicturePanel );
#endif

 m_BNPicturePanel->PrepareDC( nb_dc );

 if( m_BN_Bitmap.IsOk() )
 nb_dc.DrawBitmap( m_BN_Bitmap, 0, 0, !!m_BN_Bitmap.GetMask() );

 event.Skip();
}


void BM2CMP_FRAME::OnLoadFile( wxCommandEvent& event )
{
 wxFileName fn( m_BitmapFileName );
 wxString path = fn.GetPath();

 if( path.IsEmpty() || !wxDirExists( path ) )
 path = m_mruPath;

 wxFileDialog fileDlg( this, _( "Choose Image" ), path, wxEmptyString,
 _( "Image Files" ) + wxS( " " )+ wxImage::GetImageExtWildcard(),
 wxFD_OPEN | wxFD_FILE_MUST_EXIST );

 int diag = fileDlg.ShowModal();

 if( diag != wxID_OK )
 return;

 wxString fullFilename = fileDlg.GetPath();

 if( !OpenProjectFiles( std::vector<wxString>( 1, fullFilename ) ) )
 return;

 fn = fullFilename;
 m_mruPath = fn.GetPath();
 SetStatusText( fullFilename );
 Refresh();
}


bool BM2CMP_FRAME::OpenProjectFiles( const std::vector<wxString>& aFileSet, int aCtl )
{
 m_Pict_Image.Destroy();
 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 );

 // 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

 int imageDPIx = m_Pict_Image.GetOptionInt( wxIMAGE_OPTION_RESOLUTIONX );
 int imageDPIy = m_Pict_Image.GetOptionInt( wxIMAGE_OPTION_RESOLUTIONY );

 if( imageDPIx > 1 && imageDPIy > 1 )
 {
 if( m_Pict_Image.GetOptionInt( wxIMAGE_OPTION_RESOLUTIONUNIT ) == wxIMAGE_RESOLUTION_CM )
 {
 imageDPIx = KiROUND( imageDPIx * 2.54 );
 imageDPIy = KiROUND( imageDPIy * 2.54 );
 }
 }
 else // fallback to a default value (DEFAULT_DPI)
 {
 imageDPIx = imageDPIy = DEFAULT_DPI;
 }

 m_InputXValueDPI->SetLabel( wxString::Format( wxT( "%d" ), imageDPIx ) );
 m_InputYValueDPI->SetLabel( wxString::Format( wxT( "%d" ), imageDPIy ) );

 int h = m_Pict_Bitmap.GetHeight();
 int w = m_Pict_Bitmap.GetWidth();
 m_AspectRatio = (double) w / h;

 m_outputSizeX.SetOriginalDPI( imageDPIx );
 m_outputSizeX.SetOriginalSizePixels( w );
 m_outputSizeY.SetOriginalDPI( imageDPIy );
 m_outputSizeY.SetOriginalSizePixels( h );

 // Update display to keep aspect ratio
 auto fakeEvent = wxCommandEvent();
 OnSizeChangeX( fakeEvent );

 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_Pict_Bitmap.GetMask() )
 {
 for( int x = 0; x < m_Pict_Bitmap.GetWidth(); x++ )
 {
 for( int y = 0; y < m_Pict_Bitmap.GetHeight(); y++ )
 {
 if( m_Pict_Image.GetRed( x, y ) == m_Pict_Image.GetMaskRed() &&
 m_Pict_Image.GetGreen( x, y ) == m_Pict_Image.GetMaskGreen() &&
 m_Pict_Image.GetBlue( x, y ) == m_Pict_Image.GetMaskBlue() )
 {
 m_Greyscale_Image.SetRGB( x, y, 255, 255, 255 );
 }
 }
 }
 }

 if( m_Negative )
 NegateGreyscaleImage( );

 m_Greyscale_Bitmap = wxBitmap( m_Greyscale_Image );
 m_NB_Image = m_Greyscale_Image;
 Binarize( (double) m_sliderThreshold->GetValue() / m_sliderThreshold->GetMax() );

 m_buttonExportFile->Enable( true );
 m_buttonExportClipboard->Enable( true );

 m_outputSizeX.SetOutputSizeFromInitialImageSize();
 m_UnitSizeX->ChangeValue( FormatOutputSize( m_outputSizeX.GetOutputSize() ) );
 m_outputSizeY.SetOutputSizeFromInitialImageSize();
 m_UnitSizeY->ChangeValue( FormatOutputSize( m_outputSizeY.GetOutputSize() ) );

 return true;
}


// return a string giving the output size, according to the selected unit
wxString BM2CMP_FRAME::FormatOutputSize( double aSize )
{
 wxString text;

 if( getUnitFromSelection() == EDA_UNITS::MILLIMETRES )
 {
 text.Printf( "%.1f", aSize );
 }
 else if( getUnitFromSelection() == EDA_UNITS::INCHES )
 {
 text.Printf( "%.2f", aSize );
 }
 else
 {
 text.Printf( "%d", KiROUND( aSize ) );
 }

 return text;
}

void BM2CMP_FRAME::updateImageInfo()
{
 // Note: the image resolution text controls are not modified
 // here, to avoid a race between text change when entered by user and
 // a text change if it is modified here.

 if( m_Pict_Bitmap.IsOk() )
 {
 int h = m_Pict_Bitmap.GetHeight();
 int w = m_Pict_Bitmap.GetWidth();
 int nb = m_Pict_Bitmap.GetDepth();

 m_SizeXValue->SetLabel( wxString::Format( wxT( "%d" ), w ) );
 m_SizeYValue->SetLabel( wxString::Format( wxT( "%d" ), h ) );
 m_BPPValue->SetLabel( wxString::Format( wxT( "%d" ), nb ) );
 }
}


EDA_UNITS BM2CMP_FRAME::getUnitFromSelection()
{
 // return the EDA_UNITS from the m_PixelUnit choice
 switch( m_PixelUnit->GetSelection() )
 {
 case 1:
 return EDA_UNITS::INCHES;

 case 2:
 return EDA_UNITS::UNSCALED;

 case 0:
 default:
 break;
 }

 return EDA_UNITS::MILLIMETRES;
}


void BM2CMP_FRAME::OnSizeChangeX( wxCommandEvent& event )
{
 double new_size;

 if( m_UnitSizeX->GetValue().ToDouble( &new_size ) )
 {
 if( m_AspectRatioLocked )
 {
 double calculatedY = new_size / m_AspectRatio;

 if( getUnitFromSelection() == EDA_UNITS::UNSCALED )
 {
 // for units in DPI, keeping aspect ratio cannot use m_AspectRatioLocked.
 // just re-scale the other dpi
 double ratio = new_size / m_outputSizeX.GetOutputSize();
 calculatedY = m_outputSizeY.GetOutputSize() * ratio;
 }

 m_outputSizeY.SetOutputSize( calculatedY, getUnitFromSelection() );
 m_UnitSizeY->ChangeValue( FormatOutputSize( m_outputSizeY.GetOutputSize() ) );
 }

 m_outputSizeX.SetOutputSize( new_size, getUnitFromSelection() );
 }

 updateImageInfo();
}


void BM2CMP_FRAME::OnSizeChangeY( wxCommandEvent& event )
{
 double new_size;

 if( m_UnitSizeY->GetValue().ToDouble( &new_size ) )
 {
 if( m_AspectRatioLocked )
 {
 double calculatedX = new_size * m_AspectRatio;

 if( getUnitFromSelection() == EDA_UNITS::UNSCALED )
 {
 // for units in DPI, keeping aspect ratio cannot use m_AspectRatioLocked.
 // just re-scale the other dpi
 double ratio = new_size / m_outputSizeX.GetOutputSize();
 calculatedX = m_outputSizeX.GetOutputSize() * ratio;
 }

 m_outputSizeX.SetOutputSize( calculatedX, getUnitFromSelection() );
 m_UnitSizeX->ChangeValue( FormatOutputSize( m_outputSizeX.GetOutputSize() ) );
 }

 m_outputSizeY.SetOutputSize( new_size, getUnitFromSelection() );
 }

 updateImageInfo();
}


void BM2CMP_FRAME::OnSizeUnitChange( wxCommandEvent& event )
{
 m_outputSizeX.SetUnit( getUnitFromSelection() );
 m_outputSizeY.SetUnit( getUnitFromSelection() );
 updateImageInfo();

 m_UnitSizeX->ChangeValue( FormatOutputSize( m_outputSizeX.GetOutputSize() ) );
 m_UnitSizeY->ChangeValue( FormatOutputSize( m_outputSizeY.GetOutputSize() ) );
}


void BM2CMP_FRAME::ToggleAspectRatioLock( wxCommandEvent& event )
{
 m_AspectRatioLocked = !m_AspectRatioLocked;

 if( m_AspectRatioLocked )
 {
 m_AspectRatioLockButton->SetBitmap( KiBitmap( BITMAPS::locked ) );
 //Force display update when aspect ratio is locked
 auto fakeEvent = wxCommandEvent();
 OnSizeChangeX( fakeEvent );
 }

 else
 {
 m_AspectRatioLockButton->SetBitmap( KiBitmap( BITMAPS::unlocked ) );
 }
}


void BM2CMP_FRAME::Binarize( double aThreshold )
{
 int h = m_Greyscale_Image.GetHeight();
 int w = m_Greyscale_Image.GetWidth();
 unsigned char threshold = aThreshold * 255;
 unsigned char alpha_thresh = 0.7 * threshold;

 for( int y = 0; y < h; y++ )
 for( int x = 0; x < w; x++ )
 {
 unsigned char pixout;
 auto pixin = m_Greyscale_Image.GetGreen( x, y );
 auto alpha = m_Greyscale_Image.HasAlpha() ?
 m_Greyscale_Image.GetAlpha( x, y ) : wxALPHA_OPAQUE;

 if( pixin < threshold && alpha > alpha_thresh )
 pixout = 0;
 else
 pixout = 255;

 m_NB_Image.SetRGB( x, y, pixout, pixout, pixout );

 }

 m_BN_Bitmap = wxBitmap( m_NB_Image );

}


void BM2CMP_FRAME::NegateGreyscaleImage( )
{
 unsigned char pix;
 int h = m_Greyscale_Image.GetHeight();
 int w = m_Greyscale_Image.GetWidth();

 for( int y = 0; y < h; y++ )
 for( int x = 0; x < w; x++ )
 {
 pix = m_Greyscale_Image.GetGreen( x, y );
 pix = ~pix;
 m_Greyscale_Image.SetRGB( x, y, pix, pix, pix );
 }
}


void BM2CMP_FRAME::OnNegativeClicked( wxCommandEvent& )
{
 if( m_checkNegative->GetValue() != m_Negative )
 {
 NegateGreyscaleImage();

 m_Greyscale_Bitmap = wxBitmap( m_Greyscale_Image );
 Binarize( (double)m_sliderThreshold->GetValue()/m_sliderThreshold->GetMax() );
 m_Negative = m_checkNegative->GetValue();

 Refresh();
 }
}


void BM2CMP_FRAME::OnThresholdChange( wxScrollEvent& event )
{
 Binarize( (double)m_sliderThreshold->GetValue()/m_sliderThreshold->GetMax() );
 Refresh();
}


void BM2CMP_FRAME::OnExportToFile( wxCommandEvent& event )
{
 m_exportToClipboard = false;

 // choices of m_rbOutputFormat are expected to be in same order as
 // OUTPUT_FMT_ID. See bitmap2component.h
 OUTPUT_FMT_ID format = (OUTPUT_FMT_ID) m_rbOutputFormat->GetSelection();
 exportBitmap( format );
}


void BM2CMP_FRAME::OnExportToClipboard( wxCommandEvent& event )
{
 m_exportToClipboard = true;

 // choices of m_rbOutputFormat are expected to be in same order as
 // OUTPUT_FMT_ID. See bitmap2component.h
 OUTPUT_FMT_ID format = (OUTPUT_FMT_ID) m_rbOutputFormat->GetSelection();

 std::string buffer;
 ExportToBuffer( buffer, format );

 wxLogNull doNotLog; // disable logging of failed clipboard actions

 // Write buffer to the clipboard
 if( wxTheClipboard->Open() )
 {
 // This data objects are held by the clipboard,
 // so do not delete them in the app.
 wxTheClipboard->SetData( new wxTextDataObject( buffer.c_str() ) );
 wxTheClipboard->Flush(); // Allow data to be available after closing KiCad
 wxTheClipboard->Close();
 }
 else
 {
 wxMessageBox( _( "Unable to export to the Clipboard") );
 }
}


void BM2CMP_FRAME::exportBitmap( OUTPUT_FMT_ID aFormat )
{
 switch( aFormat )
 {
 case EESCHEMA_FMT:
 exportEeschemaFormat();
 break;

 case PCBNEW_KICAD_MOD:
 exportPcbnewFormat();
 break;

 case POSTSCRIPT_FMT:
 exportPostScriptFormat();
 break;

 case KICAD_WKS_LOGO:
 OnExportLogo();
 break;
 }
}


void BM2CMP_FRAME::OnExportLogo()
{
 wxFileName fn( m_ConvertedFileName );
 wxString path = fn.GetPath();

 if( path.IsEmpty() || !wxDirExists(path) )
 path = ::wxGetCwd();

 wxFileDialog fileDlg( this, _( "Create Logo File" ), path, wxEmptyString,
 DrawingSheetFileWildcard(), wxFD_SAVE | wxFD_OVERWRITE_PROMPT );
 int diag = fileDlg.ShowModal();

 if( diag != wxID_OK )
 return;

 fn = fileDlg.GetPath();
 fn.SetExt( DrawingSheetFileExtension );
 m_ConvertedFileName = fn.GetFullPath();

 FILE* outfile;
 outfile = wxFopen( m_ConvertedFileName, wxT( "w" ) );

 if( outfile == nullptr )
 {
 wxString msg;
 msg.Printf( _( "File '%s' could not be created." ), m_ConvertedFileName );
 wxMessageBox( msg );
 return;
 }

 std::string buffer;
 ExportToBuffer( buffer, KICAD_WKS_LOGO );
 fputs( buffer.c_str(), outfile );
 fclose( outfile );
}


void BM2CMP_FRAME::exportPostScriptFormat()
{
 wxFileName fn( m_ConvertedFileName );
 wxString path = fn.GetPath();

 if( path.IsEmpty() || !wxDirExists( path ) )
 path = ::wxGetCwd();

 wxFileDialog fileDlg( this, _( "Create PostScript File" ),
 path, wxEmptyString,
 PSFileWildcard(),
 wxFD_SAVE | wxFD_OVERWRITE_PROMPT );

 int diag = fileDlg.ShowModal();

 if( diag != wxID_OK )
 return;

 fn = fileDlg.GetPath();
 fn.SetExt( wxT( "ps" ) );
 m_ConvertedFileName = fn.GetFullPath();

 FILE* outfile;
 outfile = wxFopen( m_ConvertedFileName, wxT( "w" ) );

 if( outfile == nullptr )
 {
 wxString msg;
 msg.Printf( _( "File '%s' could not be created." ), m_ConvertedFileName );
 wxMessageBox( msg );
 return;
 }

 std::string buffer;
 ExportToBuffer( buffer, POSTSCRIPT_FMT );
 fputs( buffer.c_str(), outfile );
 fclose( outfile );
}


void BM2CMP_FRAME::exportEeschemaFormat()
{
 wxFileName fn( m_ConvertedFileName );
 wxString path = fn.GetPath();

 if( path.IsEmpty() || !wxDirExists(path) )
 path = ::wxGetCwd();

 wxFileDialog fileDlg( this, _( "Create Symbol Library" ),
 path, wxEmptyString,
 KiCadSymbolLibFileWildcard(),
 wxFD_SAVE | wxFD_OVERWRITE_PROMPT );

 int diag = fileDlg.ShowModal();

 if( diag != wxID_OK )
 return;

 fn = fileDlg.GetPath();
 fn.SetExt( KiCadSymbolLibFileExtension );
 m_ConvertedFileName = fn.GetFullPath();

 FILE* outfile = wxFopen( m_ConvertedFileName, wxT( "w" ) );

 if( outfile == nullptr )
 {
 wxString msg;
 msg.Printf( _( "File '%s' could not be created." ), m_ConvertedFileName );
 wxMessageBox( msg );
 return;
 }

 std::string buffer;
 ExportToBuffer( buffer, EESCHEMA_FMT );
 fputs( buffer.c_str(), outfile );
 fclose( outfile );
}


void BM2CMP_FRAME::exportPcbnewFormat()
{
 wxFileName fn( m_ConvertedFileName );
 wxString path = fn.GetPath();

 if( path.IsEmpty() || !wxDirExists( path ) )
 path = m_mruPath;

 wxFileDialog fileDlg( this, _( "Create Footprint Library" ),
 path, wxEmptyString,
 KiCadFootprintLibFileWildcard(),
 wxFD_SAVE | wxFD_OVERWRITE_PROMPT );

 int diag = fileDlg.ShowModal();

 if( diag != wxID_OK )
 return;

 fn = fileDlg.GetPath();
 fn.SetExt( KiCadFootprintFileExtension );
 m_ConvertedFileName = fn.GetFullPath();

 FILE* outfile = wxFopen( m_ConvertedFileName, wxT( "w" ) );

 if( outfile == nullptr )
 {
 wxString msg;
 msg.Printf( _( "File '%s' could not be created." ), m_ConvertedFileName );
 wxMessageBox( msg );
 return;
 }

 std::string buffer;
 ExportToBuffer( buffer, PCBNEW_KICAD_MOD );
 fputs( buffer.c_str(), outfile );
 fclose( outfile );
 m_mruPath = fn.GetPath();
}


void BM2CMP_FRAME::ExportToBuffer( std::string& aOutput, OUTPUT_FMT_ID aFormat )
{
 // Create a potrace bitmap
 int h = m_NB_Image.GetHeight();
 int w = m_NB_Image.GetWidth();
 potrace_bitmap_t* potrace_bitmap = bm_new( w, h );

 if( !potrace_bitmap )
 {
 wxString msg;
 msg.Printf( _( "Error allocating memory for potrace bitmap" ) );
 wxMessageBox( msg );
 return;
 }

 /* fill the bitmap with data */
 for( int y = 0; y < h; y++ )
 {
 for( int x = 0; x < w; x++ )
 {
 auto pix = m_NB_Image.GetGreen( x, y );
 BM_PUT( potrace_bitmap, x, y, pix ? 0 : 1 );
 }
 }

 // choices of m_rbPCBLayer are expected to be in same order as
 // BMP2CMP_MOD_LAYER. See bitmap2component.h
 BMP2CMP_MOD_LAYER modLayer = MOD_LYR_FSILKS;

 if( aFormat == PCBNEW_KICAD_MOD )
 modLayer = (BMP2CMP_MOD_LAYER) m_rbPCBLayer->GetSelection();

 BITMAPCONV_INFO converter( aOutput );
 converter.ConvertBitmap( potrace_bitmap, aFormat, m_outputSizeX.GetOutputDPI(),
 m_outputSizeY.GetOutputDPI(), modLayer );

 if( !converter.GetErrorMessages().empty() )
 wxMessageBox( converter.GetErrorMessages().c_str(), _( "Errors" ) );
}


void BM2CMP_FRAME::OnFormatChange( wxCommandEvent& event )
{
 if( m_rbOutputFormat->GetSelection() == PCBNEW_KICAD_MOD )
 m_rbPCBLayer->Enable( true );
 else
 m_rbPCBLayer->Enable( false );
}