bitmap2component: better user interface (using wxWidgets) and more bitmaps file format import
This commit is contained in:
jean-pierre charras
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/*
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* This program source code file is part of KICAD, a free EDA CAD application.
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*
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* Copyright (C) 1992-2010 jean-pierre.charras
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* Copyright (C) 1992-2010 Kicad Developers, see change_log.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "wx/wx.h"
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#include "wx/config.h"
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#include "bitmap2cmp_gui_base.h"
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#include "potracelib.h"
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#include "bitmap_io.h"
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#define KEYWORD_FRAME_POSX wxT( "bmconverter_Pos_x" )
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#define KEYWORD_FRAME_POSY wxT( "bmconverter_Pos_y" )
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#define KEYWORD_FRAME_SIZEX wxT( "bmconverter_Size_x" )
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#define KEYWORD_FRAME_SIZEY wxT( "bmconverter_Size_y" )
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extern int bitmap2component( potrace_bitmap_t* aPotrace_bitmap, FILE* aOutfile, int aFormat );
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/* Class BM2CMP_FRAME_BASE
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This is the main frame for this application
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*/
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class BM2CMP_FRAME : public BM2CMP_FRAME_BASE
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{
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private:
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wxImage m_Pict_Image;
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wxBitmap m_Pict_Bitmap;
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wxImage m_Greyscale_Image;
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wxBitmap m_Greyscale_Bitmap;
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wxImage m_NB_Image;
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wxBitmap m_BN_Bitmap;
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wxString m_ImgFileName;
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wxSize m_FrameSize;
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wxPoint m_FramePos;
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wxConfig * m_Config;
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public:
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BM2CMP_FRAME();
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~BM2CMP_FRAME();
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private:
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// Event handlers
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void OnPaint( wxPaintEvent& event );
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void OnLoadFile( wxCommandEvent& event );
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void OnExportEeschema( wxCommandEvent& event );
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void OnExportPcbnew( wxCommandEvent& event );
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void Binarize( int aThreshold );
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void OnOptionsSelection( wxCommandEvent& event );
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void OnThresholdChange( wxScrollEvent& event );
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void NegateGreyscaleImage( );
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void ExportFile( FILE* aOutfile, int aFormat );
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};
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BM2CMP_FRAME::BM2CMP_FRAME() : BM2CMP_FRAME_BASE( NULL )
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{
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m_Config = new wxConfig();
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m_Config->Read( KEYWORD_FRAME_POSX, & m_FramePos.x, -1 );
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m_Config->Read( KEYWORD_FRAME_POSY, & m_FramePos.y, -1 );
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m_Config->Read( KEYWORD_FRAME_SIZEX, & m_FrameSize.x, -1 );
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m_Config->Read( KEYWORD_FRAME_SIZEY, & m_FrameSize.y, -1 );
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wxString msg( wxT( " 0000 " ) );
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m_gridInfo->SetCellValue( 1, 0, msg );
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m_gridInfo->SetCellValue( 2, 0, msg );
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if( GetSizer() )
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{
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GetSizer()->SetSizeHints( this );
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}
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SetSize( m_FramePos.x, m_FramePos.y, m_FrameSize.x, m_FrameSize.y );
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if ( m_FramePos == wxDefaultPosition )
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Centre();
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}
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BM2CMP_FRAME::~BM2CMP_FRAME()
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{
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if( ( m_Config == NULL ) || IsIconized() )
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return;
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m_FrameSize = GetSize();
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m_FramePos = GetPosition();
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m_Config->Write( KEYWORD_FRAME_POSX, (long) m_FramePos.x );
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m_Config->Write( KEYWORD_FRAME_POSY, (long) m_FramePos.y );
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m_Config->Write( KEYWORD_FRAME_SIZEX, (long) m_FrameSize.x );
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m_Config->Write( KEYWORD_FRAME_SIZEY, (long) m_FrameSize.y );
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delete m_Config;
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/* This needed for OSX: avoids furter OnDraw processing after this
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* destructor and before the native window is destroyed
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*/
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this->Freeze( );
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}
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void BM2CMP_FRAME::OnPaint( wxPaintEvent& event )
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{
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wxPaintDC pict_dc( m_InitialPicturePanel );
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wxPaintDC greyscale_dc( m_GreyscalePicturePanel );
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wxPaintDC nb_dc( m_BNPicturePanel );
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m_InitialPicturePanel->PrepareDC( pict_dc );
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m_GreyscalePicturePanel->PrepareDC( greyscale_dc );
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m_BNPicturePanel->PrepareDC( nb_dc );
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pict_dc.DrawBitmap( m_Pict_Bitmap, 0, 0, false );
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greyscale_dc.DrawBitmap( m_Greyscale_Bitmap, 0, 0, false );
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nb_dc.DrawBitmap( m_BN_Bitmap, 0, 0, false );
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}
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/* Called to load a bitmap file
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*/
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void BM2CMP_FRAME::OnLoadFile( wxCommandEvent& event )
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{
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wxFileDialog FileDlg( this, _( "Choose Image" ), ::wxGetCwd(), wxEmptyString,
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_( "Image Files " ) + wxImage::GetImageExtWildcard(),
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wxFD_OPEN );
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int diag = FileDlg.ShowModal();
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if( diag != wxID_OK )
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return;
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m_ImgFileName = FileDlg.GetPath();
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if( !m_Pict_Image.LoadFile( m_ImgFileName ) )
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{
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wxMessageBox( _( "Couldn't load image from '%s'." ), m_ImgFileName.c_str() );
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return;
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}
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m_Pict_Bitmap = wxBitmap( m_Pict_Image );
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int h = m_Pict_Bitmap.GetHeight();
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int w = m_Pict_Bitmap.GetWidth();
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int nb = m_Pict_Bitmap.GetDepth();
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wxString msg;
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msg.Printf( wxT( "%d" ), h );
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m_gridInfo->SetCellValue( 0, 0, msg );
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msg.Printf( wxT( "%d" ), w );
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m_gridInfo->SetCellValue( 1, 0, msg );
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msg.Printf( wxT( "%d" ), nb );
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m_gridInfo->SetCellValue( 2, 0, msg );
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m_InitialPicturePanel->SetVirtualSize( w, h );
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m_GreyscalePicturePanel->SetVirtualSize( w, h );
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m_BNPicturePanel->SetVirtualSize( w, h );
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m_Greyscale_Image.Destroy();
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m_Greyscale_Image = m_Pict_Image.ConvertToGreyscale( );
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if( m_rbOptions->GetSelection() > 0 )
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NegateGreyscaleImage( );
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m_Greyscale_Bitmap = wxBitmap( m_Greyscale_Image );
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m_NB_Image = m_Greyscale_Image;
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Binarize( m_sliderThreshold->GetValue() );
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Refresh();
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}
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void BM2CMP_FRAME::Binarize( int aThreshold )
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{
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unsigned int pixin;
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unsigned char pixout;
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int h = m_Greyscale_Image.GetHeight();
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int w = m_Greyscale_Image.GetWidth();
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unsigned int threshold = (aThreshold * 256) / 10;
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for( int y = 1; y < h; y++ )
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for( int x = 1; x < w; x++ )
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{
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pixin = m_Greyscale_Image.GetGreen( x, y );
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if( pixin < threshold )
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pixout = 0;
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else
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pixout = 255;
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m_NB_Image.SetRGB( x, y, pixout, pixout, pixout );
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}
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m_BN_Bitmap = wxBitmap( m_NB_Image );
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}
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void BM2CMP_FRAME::NegateGreyscaleImage( )
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{
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unsigned char pix;
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int h = m_Greyscale_Image.GetHeight();
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int w = m_Greyscale_Image.GetWidth();
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for( int y = 1; y < h; y++ )
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for( int x = 1; x < w; x++ )
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{
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pix = m_Greyscale_Image.GetGreen( x, y );
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pix = ~pix;
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m_Greyscale_Image.SetRGB( x, y, pix, pix, pix );
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}
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}
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/* Called on Normal/Negative change option */
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void BM2CMP_FRAME::OnOptionsSelection( wxCommandEvent& event )
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{
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NegateGreyscaleImage( );
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m_Greyscale_Bitmap = wxBitmap( m_Greyscale_Image );
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Binarize( m_sliderThreshold->GetValue() );
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Refresh();
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}
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void BM2CMP_FRAME::OnThresholdChange( wxScrollEvent& event )
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{
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Binarize( m_sliderThreshold->GetValue() );
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Refresh();
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}
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void BM2CMP_FRAME::OnExportEeschema( wxCommandEvent& event )
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{
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wxString msg = _( "Schematic lib file (*.lib)|*.lib" );
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wxFileDialog FileDlg( this, _( "Create lib file" ), ::wxGetCwd(), wxEmptyString,
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msg,
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wxFD_SAVE | wxFD_OVERWRITE_PROMPT );
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int diag = FileDlg.ShowModal();
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if( diag != wxID_OK )
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return;
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wxString filename = FileDlg.GetPath();
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FILE* outfile;
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outfile = wxFopen( filename, wxT( "w" ) );
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if( outfile == NULL )
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{
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wxString msg;
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msg.Printf( _( "File %s could not be created" ), filename.c_str() );
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wxMessageBox( msg );
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return;
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}
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ExportFile( outfile, 1 );
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fclose( outfile );
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}
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void BM2CMP_FRAME::OnExportPcbnew( wxCommandEvent& event )
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{
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wxString msg = _( "Footprint export file (*.emp)|*.emp" );
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wxFileDialog FileDlg( this, _( "Create footprint export file" ), ::wxGetCwd(), wxEmptyString,
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msg,
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wxFD_SAVE | wxFD_OVERWRITE_PROMPT );
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int diag = FileDlg.ShowModal();
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if( diag != wxID_OK )
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return;
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wxString filename = FileDlg.GetPath();
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FILE* outfile;
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outfile = wxFopen( filename, wxT( "w" ) );
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if( outfile == NULL )
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{
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wxString msg;
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msg.Printf( _( "File %s could not be created" ), filename.c_str() );
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wxMessageBox( msg );
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return;
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}
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ExportFile( outfile, 0 );
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fclose( outfile );
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}
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void BM2CMP_FRAME::ExportFile( FILE* aOutfile, int aFormat )
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{
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// Create a potrace bitmap
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int h = m_NB_Image.GetHeight();
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int w = m_NB_Image.GetWidth();
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potrace_bitmap_t* potrace_bitmap = bm_new( w, h );
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if( !potrace_bitmap )
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{
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wxString msg;
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msg.Printf( _( "Error allocating bitmap: %s" ), strerror( errno ) );
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wxMessageBox( msg );
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return;
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}
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/* fill the bitmap with data */
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for( int y = 0; y<h; y++ )
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{
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for( int x = 0; x<w; x++ )
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{
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unsigned char pix = m_NB_Image.GetGreen( x, y );
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BM_PUT( potrace_bitmap, x, y, pix ? 1 : 0 );
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}
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}
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bitmap2component( potrace_bitmap, aOutfile, aFormat );
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}
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// BM_TO_CMP_APP
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class BM_TO_CMP_APP : public wxApp
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{
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public:
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virtual bool OnInit();
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};
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IMPLEMENT_APP( BM_TO_CMP_APP )
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///-----------------------------------------------------------------------------
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// BM_TO_CMP_APP
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// main program
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//-----------------------------------------------------------------------------
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bool BM_TO_CMP_APP::OnInit()
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{
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wxInitAllImageHandlers();
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SetVendorName( wxT( "kicad" ) );
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wxFrame* frame = new BM2CMP_FRAME();
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frame->Show( true );
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return true;
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}
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