kicad/common/dialogs/panel_image_editor.cpp

137 lines
4.5 KiB
C++

/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2018 jean-pierre.charras
* Copyright (C) 2011-2023 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 <pcb_base_edit_frame.h>
#include <pcb_bitmap.h>
#include <tool/tool_manager.h>
#include <tool/actions.h>
#include <dialogs/panel_image_editor.h>
#include <algorithm>
PANEL_IMAGE_EDITOR::PANEL_IMAGE_EDITOR( wxWindow* aParent, BITMAP_BASE* aItem ) :
PANEL_IMAGE_EDITOR_BASE( aParent )
{
m_workingImage = new BITMAP_BASE( *aItem );
wxString msg;
msg.Printf( wxT( "%f" ), m_workingImage->GetScale() );
m_textCtrlScale->SetValue( msg );
}
void PANEL_IMAGE_EDITOR::OnGreyScaleConvert( wxCommandEvent& event )
{
m_workingImage->ConvertToGreyscale();
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 PANEL_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 PANEL_IMAGE_EDITOR::TransferDataFromWindow()
{
return CheckValues();
}
void PANEL_IMAGE_EDITOR::OnRedrawPanel( wxPaintEvent& event )
{
wxPaintDC dc( m_panelDraw );
wxSize display_size = m_panelDraw->GetClientSize();
double img_scale = 1.0 / m_workingImage->GetScalingFactor();
VECTOR2I img_size_pixels = m_workingImage->GetSizePixels();
// Adjust the display scale to use the full available display area
double scale_X = (double)display_size.x/img_size_pixels.x;
double scale_Y = (double)display_size.y/img_size_pixels.y;
double display_scale = img_scale * std::min( scale_X, scale_Y );
dc.SetUserScale( display_scale, display_scale );
m_workingImage->DrawBitmap( &dc, VECTOR2I( m_workingImage->GetSize()/2 ) );
}
void PANEL_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 );
}