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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) 2011 jean-pierre.charras
* Copyright (C) 2011 Kicad Developers, see change_log.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 <class_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->m_Scale );
m_textCtrlScale->SetValue( msg );
GetSizer()->SetSizeHints( this );
Layout();
Fit();
SetMinSize( GetBestSize() );
Centre();
SetFocus();
}
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 and < MAX_SIZE pixels
*/
bool DIALOG_IMAGE_EDITOR::CheckValues()
{
#define MIN_SIZE 16
#define MAX_SIZE 6000
double tmp;
wxString msg = m_textCtrlScale->GetValue();
// Test number correctness
if( ! msg.ToDouble( &tmp ) )
{
wxMessageBox( _("Incorrect scale number" ) );
return false;
}
// Test value correctness
wxSize psize = m_workingImage->GetSizePixels();
if ( (psize.x * tmp) < MIN_SIZE || (psize.y * tmp) < MIN_SIZE )
{
wxMessageBox( _("Scale is too small for this image" ) );
return false;
}
if ( (psize.x * tmp) > MAX_SIZE || (psize.y * tmp) > MAX_SIZE )
{
wxMessageBox( _("Scale is too large for this image" ) );
return false;
}
return true;
}
void DIALOG_IMAGE_EDITOR::OnOK_Button( wxCommandEvent& aEvent )
{
if( CheckValues() )
EndModal( wxID_OK );
return;
}
void DIALOG_IMAGE_EDITOR::OnCancel_Button( wxCommandEvent& aEvent )
{
EndModal( wxID_CANCEL );
}
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( NULL, &dc, wxPoint(0,0) );
}
void DIALOG_IMAGE_EDITOR::TransfertToImage(BITMAP_BASE* aItem )
{
wxString msg = m_textCtrlScale->GetValue();
msg.ToDouble( &m_workingImage->m_Scale );
aItem->ImportData( m_workingImage );
}
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