132 lines
4.2 KiB
C++
132 lines
4.2 KiB
C++
/*
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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) 2018 jean-pierre.charras
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* Copyright (C) 2011-2020 Kicad Developers, see AUTHORS.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/dcclient.h>
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#include <confirm.h>
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#include <bitmap_base.h>
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#include <dialogs/dialog_image_editor.h>
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#include <algorithm>
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DIALOG_IMAGE_EDITOR::DIALOG_IMAGE_EDITOR( wxWindow* aParent, BITMAP_BASE* aItem )
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: DIALOG_IMAGE_EDITOR_BASE( aParent )
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{
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m_workingImage = new BITMAP_BASE( *aItem );
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wxString msg;
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msg.Printf( wxT( "%f" ), m_workingImage->GetScale() );
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m_textCtrlScale->SetValue( msg );
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SetupStandardButtons();
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finishDialogSettings();
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}
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void DIALOG_IMAGE_EDITOR::OnGreyScaleConvert( wxCommandEvent& event )
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{
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wxImage& image = *m_workingImage->GetImageData();
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image = image.ConvertToGreyscale();
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m_workingImage->RebuildBitmap();
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m_panelDraw->Refresh();
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}
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/*
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* Test params values correctness
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* Currently scale value must give an actual image > MIN_SIZE pixels (mandatory to be able to
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* see the image) and < MAX_SIZE pixels (if bigger, a confirmation will be asked)
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* Note: The image definition is 300ppi in drawing routines.
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*/
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bool DIALOG_IMAGE_EDITOR::CheckValues()
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{
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#define MIN_SIZE 15 // Min size in pixels after scaling (50 mils)
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#define MAX_SIZE 6000 // Max size in pixels after scaling (20 inches)
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double tmp;
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wxString msg = m_textCtrlScale->GetValue();
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// Test number correctness
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if( !msg.ToDouble( &tmp ) || tmp < 0.0 )
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{
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wxMessageBox( _( "Incorrect scale number" ) );
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return false;
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}
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// Test value correctness
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wxSize psize = m_workingImage->GetSizePixels();
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int size_min = (int)std::min( (psize.x * tmp), (psize.y * tmp) );
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if( size_min < MIN_SIZE ) // if the size is too small, the image will be hard to locate
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{
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wxMessageBox( wxString::Format( _( "This scale results in an image which is too small "
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"(%.2f mm or %.1f mil)." ),
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25.4 / 300 * size_min, 1000.0/300.0 * size_min ) );
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return false;
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}
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int size_max = (int)std::max( (psize.x * tmp), (psize.y * tmp) );
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if( size_max > MAX_SIZE )
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{
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// the actual size is 25.4/300 * size_max in mm
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if( !IsOK( this, wxString::Format( _( "This scale results in an image which is very large "
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"(%.1f mm or %.2f in). Are you sure?" ),
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25.4 / 300 * size_max, size_max /300.0 ) ) )
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{
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return false;
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}
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}
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return true;
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}
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bool DIALOG_IMAGE_EDITOR::TransferDataFromWindow()
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{
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return CheckValues();
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}
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void DIALOG_IMAGE_EDITOR::OnRedrawPanel( wxPaintEvent& event )
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{
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wxPaintDC dc( m_panelDraw );
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wxSize size = m_panelDraw->GetClientSize();
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dc.SetDeviceOrigin( size.x/2, size.y/2 );
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double scale = 1.0 / m_workingImage->GetScalingFactor();
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dc.SetUserScale( scale, scale );
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m_workingImage->DrawBitmap( &dc, wxPoint( 0, 0 ) );
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}
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void DIALOG_IMAGE_EDITOR::TransferToImage( BITMAP_BASE* aItem )
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{
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wxString msg = m_textCtrlScale->GetValue();
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double scale = 1.0;
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msg.ToDouble( &scale );
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m_workingImage->SetScale( scale );
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aItem->ImportData( m_workingImage );
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}
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