kicad-source/common/dialogs/dialog_image_editor.cpp
jean-pierre charras f6b4b66a86 Avoid include wx/wx.h in many files that do not actually use this include.
Including wx.h includes the full set of wxWidgets include files, that is not good,
and can create some conflicts with some Windows headers on msys2.
2020-10-18 18:21:34 +02:00

129 lines
4.1 KiB
C++

/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2018 jean-pierre.charras
* Copyright (C) 2011-2019 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 <wx/dcclient.h>
#include <confirm.h>
#include <bitmap_base.h>
#include <dialog_image_editor.h>
#include <algorithm>
DIALOG_IMAGE_EDITOR::DIALOG_IMAGE_EDITOR( wxWindow* aParent, BITMAP_BASE* aItem )
: DIALOG_IMAGE_EDITOR_BASE( aParent )
{
m_workingImage = new BITMAP_BASE( *aItem );
wxString msg;
msg.Printf( wxT( "%f" ), m_workingImage->GetScale() );
m_textCtrlScale->SetValue( msg );
FinishDialogSettings();
m_sdbSizerOK->SetDefault();
}
void DIALOG_IMAGE_EDITOR::OnGreyScaleConvert( wxCommandEvent& event )
{
wxImage& image = *m_workingImage->GetImageData();
image = image.ConvertToGreyscale();
m_workingImage->RebuildBitmap();
m_panelDraw->Refresh();
}
/*
* Test params values correctness
* Currently scale value must give an actual image > MIN_SIZE pixels (mandatory to be able to
* see the image) and < MAX_SIZE pixels (if bigger, a confirmation will be asked)
* Note: The image definition is 300ppi in drawing routines.
*/
bool DIALOG_IMAGE_EDITOR::CheckValues()
{
#define MIN_SIZE 15 // Min size in pixels after scaling (50 mils)
#define MAX_SIZE 6000 // Max size in pixels after scaling (20 inches)
double tmp;
wxString msg = m_textCtrlScale->GetValue();
// Test number correctness
if( !msg.ToDouble( &tmp ) || tmp < 0.0 )
{
wxMessageBox( _( "Incorrect scale number" ) );
return false;
}
// Test value correctness
wxSize psize = m_workingImage->GetSizePixels();
int size_min = (int)std::min( (psize.x * tmp), (psize.y * tmp) );
if( size_min < MIN_SIZE ) // if the size is too small, the image will be hard to locate
{
wxMessageBox( wxString::Format( _( "This scale results in an image which is too small "
"(%.2f mm or %.1f mil)." ),
25.4 / 300 * size_min, 1000.0/300.0 * size_min ) );
return false;
}
int size_max = (int)std::max( (psize.x * tmp), (psize.y * tmp) );
if( size_max > MAX_SIZE )
{
// the actual size is 25.4/300 * size_max in mm
if( !IsOK( this, wxString::Format( _( "This scale results in an image which is very large "
"(%.1f mm or %.2f in). Are you sure?" ),
25.4 / 300 * size_max, size_max /300.0 ) ) )
return false;
}
return true;
}
bool DIALOG_IMAGE_EDITOR::TransferDataFromWindow()
{
return CheckValues();
}
void DIALOG_IMAGE_EDITOR::OnRedrawPanel( wxPaintEvent& event )
{
wxPaintDC dc( m_panelDraw );
wxSize size = m_panelDraw->GetClientSize();
dc.SetDeviceOrigin( size.x/2, size.y/2 );
double scale = 1.0 / m_workingImage->GetScalingFactor();
dc.SetUserScale( scale, scale );
m_workingImage->DrawBitmap( &dc, wxPoint( 0, 0 ) );
}
void DIALOG_IMAGE_EDITOR::TransferToImage( BITMAP_BASE* aItem )
{
wxString msg = m_textCtrlScale->GetValue();
double scale = 1.0;
msg.ToDouble( &scale );
m_workingImage->SetScale( scale );
aItem->ImportData( m_workingImage );
}