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/**
* @file dialog_image_editor.cpp
*/
/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2018 jean-pierre.charras
* Copyright (C) 2011-2018 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 <fctsys.h>
#include <gr_basic.h>
#include <common.h>
#include <confirm.h>
#include <bitmap_base.h>
#include <dialog_image_editor.h>
DIALOG_IMAGE_EDITOR::DIALOG_IMAGE_EDITOR( wxWindow* aParent, BITMAP_BASE* aItem )
: DIALOG_IMAGE_EDITOR_BASE( aParent )
{
m_workingImage = new BITMAP_BASE( * aItem );
m_lastImage = NULL;
m_buttonUndoLast->Enable( false );
wxString msg;
msg.Printf( wxT( "%f" ), m_workingImage->GetScale() );
m_textCtrlScale->SetValue( msg );
FinishDialogSettings();
m_sdbSizerOK->SetDefault();
}
void DIALOG_IMAGE_EDITOR::OnUndoLastChange( wxCommandEvent& event )
{
BITMAP_BASE * tmp = m_workingImage;
m_workingImage = m_lastImage;
delete tmp;
m_buttonUndoLast->Enable( false );
m_lastImage = NULL;
m_panelDraw->Refresh();
}
void DIALOG_IMAGE_EDITOR::OnMirrorX_click( wxCommandEvent& event )
{
delete m_lastImage;
m_lastImage = new BITMAP_BASE( * m_workingImage );
m_buttonUndoLast->Enable( true );
m_buttonUndoLast->Enable( true );
m_workingImage->Mirror( true );
m_panelDraw->Refresh();
}
void DIALOG_IMAGE_EDITOR::OnMirrorY_click( wxCommandEvent& event )
{
delete m_lastImage;
m_lastImage = new BITMAP_BASE( * m_workingImage );
m_buttonUndoLast->Enable( true );
m_workingImage->Mirror( false );
m_panelDraw->Refresh();
}
void DIALOG_IMAGE_EDITOR::OnRotateClick( wxCommandEvent& event )
{
delete m_lastImage;
m_lastImage = new BITMAP_BASE( * m_workingImage );
m_buttonUndoLast->Enable( true );
m_workingImage->Rotate( false );
m_panelDraw->Refresh();
}
void DIALOG_IMAGE_EDITOR::OnGreyScaleConvert( wxCommandEvent& event )
{
delete m_lastImage;
m_lastImage = new BITMAP_BASE( * m_workingImage );
m_buttonUndoLast->Enable( true );
wxImage& image = *m_workingImage->GetImageData();
image = image.ConvertToGreyscale();
m_workingImage->RebuildBitmap();
m_panelDraw->Refresh();
}
void DIALOG_IMAGE_EDITOR::OnHalfSize( wxCommandEvent& event )
{
delete m_lastImage;
m_lastImage = new BITMAP_BASE( * m_workingImage );
m_buttonUndoLast->Enable( true );
wxSize psize = m_workingImage->GetSizePixels();
wxImage& image = *m_workingImage->GetImageData();
image = image.Scale( psize.x/2, psize.y/2, wxIMAGE_QUALITY_HIGH );
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 32 // Min size in pixels after scaling
#define MAX_SIZE 6000 // Max size in pixels after scaling
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 gives a too small image size (%.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 gives a very large image size (%.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::TransfertToImage( BITMAP_BASE* aItem )
{
wxString msg = m_textCtrlScale->GetValue();
double scale = 1.0;
msg.ToDouble( &scale );
m_workingImage->SetScale( scale );
aItem->ImportData( m_workingImage );
}
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