pl_draw_panel_gal.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 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 3 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, see <http://www.gnu.org/licenses/>.
 */

#include <functional>
#include <memory>

#include <view/view.h>
#include <tool/tool_manager.h>
#include <view/wx_view_controls.h>
#include <drawing_sheet/ds_proxy_view_item.h>
#include <drawing_sheet/ds_data_item.h>
#include <drawing_sheet/ds_data_model.h>
#include <drawing_sheet/ds_painter.h>
#include <pgm_base.h>
#include <kiway.h>
#include <settings/settings_manager.h>
#include <gal/graphics_abstraction_layer.h>

#include "pl_draw_panel_gal.h"
#include "pl_editor_frame.h"
#include "pl_editor_settings.h"
#include "tools/pl_actions.h"
#include "tools/pl_selection_tool.h"
#include <zoom_defines.h>

using namespace std::placeholders;


PL_DRAW_PANEL_GAL::PL_DRAW_PANEL_GAL( wxWindow* aParentWindow, wxWindowID aWindowId,
 const wxPoint& aPosition, const wxSize& aSize,
 KIGFX::GAL_DISPLAY_OPTIONS& aOptions, GAL_TYPE aGalType ) :
 EDA_DRAW_PANEL_GAL( aParentWindow, aWindowId, aPosition, aSize, aOptions, aGalType )
{
 m_view = new KIGFX::VIEW( true );
 m_view->SetGAL( m_gal );

 GetGAL()->SetWorldUnitLength( 1.0/IU_PER_MM /* 10 nm */ / 25.4 /* 1 inch in mm */ );

 m_painter = std::make_unique<KIGFX::DS_PAINTER>( m_gal );

 SETTINGS_MANAGER& settingsManager = Pgm().GetSettingsManager();
 PL_EDITOR_SETTINGS* cfg = settingsManager.GetAppSettings<PL_EDITOR_SETTINGS>();
 m_painter->GetSettings()->LoadColors( settingsManager.GetColorSettings( cfg->m_ColorTheme ) );

 m_view->SetPainter( m_painter.get() );
 // This fixes the zoom in and zoom out limits
 m_view->SetScaleLimits( ZOOM_MAX_LIMIT_PLEDITOR, ZOOM_MIN_LIMIT_PLEDITOR );

 setDefaultLayerDeps();

 m_view->SetLayerVisible( LAYER_DRAWINGSHEET, true );
 m_view->SetLayerVisible( LAYER_DRAWINGSHEET_PAGE1, true );
 m_view->SetLayerVisible( LAYER_DRAWINGSHEET_PAGEn, false );

 m_viewControls = new KIGFX::WX_VIEW_CONTROLS( m_view, this );
}


PL_DRAW_PANEL_GAL::~PL_DRAW_PANEL_GAL()
{
}


void PL_DRAW_PANEL_GAL::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame,
 std::vector<MSG_PANEL_ITEM>& aList )
{
}


void PL_DRAW_PANEL_GAL::DisplayDrawingSheet()
{
 PL_SELECTION_TOOL* selTool = m_edaFrame->GetToolManager()->GetTool<PL_SELECTION_TOOL>();
 DS_DATA_MODEL& model = DS_DATA_MODEL::GetTheInstance();

 selTool->GetSelection().Clear();
 m_view->Clear();

 m_pageDrawItem.reset();

 // Obviously, always show the page limit:
 m_edaFrame->SetShowPageLimits( true );
 auto painter = m_view->GetPainter();
 auto settings = painter->GetSettings();
 settings->SetShowPageLimits( true );

 model.SetupDrawEnvironment( m_edaFrame->GetPageSettings(), IU_PER_MILS );

 // To show the formatted texts instead of raw texts in drawing sheet editor, we need
 // a dummy DS_DRAW_ITEM_LIST.
 DS_DRAW_ITEM_LIST dummy;
 dummy.SetPaperFormat( &m_edaFrame->GetPageSettings().GetType() );
 dummy.SetTitleBlock( &m_edaFrame->GetTitleBlock() );
 dummy.SetProject( &m_edaFrame->Prj() );
 dummy.SetMilsToIUfactor( IU_PER_MILS );

 for( DS_DATA_ITEM* dataItem : model.GetItems() )
 dataItem->SyncDrawItems( &dummy, m_view );

 // Build and add a DS_DRAW_ITEM_PAGE to show the page limits and the corner position
 // of the selected corner for coord origin of new items
 // Not also this item has no peer in DS_DATA_MODEL list.
 const int penWidth = 0; // This value is to use the default thickness line
 constexpr double markerSize = Millimeter2iu( 5 );
 m_pageDrawItem = std::make_unique<DS_DRAW_ITEM_PAGE>( penWidth, markerSize );
 m_view->Add( m_pageDrawItem.get() );

 selTool->RebuildSelection();

 // Gives a reasonable boundary to the view area
 // Otherwise scroll bars are not usable
 // A full size = 2 * page size allows a margin around the drawing sheet.
 // (Note: no need to have a large working area: nothing can be drawn outside th page size).
 double size_x = m_edaFrame->GetPageSizeIU().x;
 double size_y = m_edaFrame->GetPageSizeIU().y;
 BOX2D boundary( VECTOR2D( -size_x/4 , -size_y/4 ), VECTOR2D( size_x * 1.5, size_y * 1.5) );
 m_view->SetBoundary( boundary );

 m_pageDrawItem->SetPageSize( m_edaFrame->GetPageSizeIU() );
 wxPoint originCoord = static_cast<PL_EDITOR_FRAME*>( m_edaFrame )->ReturnCoordOriginCorner();
 m_pageDrawItem->SetMarkerPos( originCoord );
}


bool PL_DRAW_PANEL_GAL::SwitchBackend( GAL_TYPE aGalType )
{
 bool rv = EDA_DRAW_PANEL_GAL::SwitchBackend( aGalType );

 setDefaultLayerDeps();

 GetGAL()->SetWorldUnitLength( 1.0/IU_PER_MM /* 10 nm */ / 25.4 /* 1 inch in mm */ );

 return rv;
}


void PL_DRAW_PANEL_GAL::setDefaultLayerDeps()
{
 for( int i = 0; i < KIGFX::VIEW::VIEW_MAX_LAYERS; i++ )
 m_view->SetLayerTarget( i, KIGFX::TARGET_NONCACHED );

 m_view->SetLayerDisplayOnly( LAYER_DRAWINGSHEET );

 m_view->SetLayerTarget( LAYER_SELECT_OVERLAY, KIGFX::TARGET_OVERLAY );
 m_view->SetLayerDisplayOnly( LAYER_SELECT_OVERLAY );

 m_view->SetLayerTarget( LAYER_GP_OVERLAY, KIGFX::TARGET_OVERLAY );
 m_view->SetLayerDisplayOnly( LAYER_GP_OVERLAY );
}


void PL_DRAW_PANEL_GAL::SetTopLayer( int aLayer )
{
 m_view->ClearTopLayers();
 m_view->SetTopLayer( aLayer );

 m_view->SetTopLayer( LAYER_SELECT_OVERLAY );

 m_view->SetTopLayer( LAYER_GP_OVERLAY );

 m_view->UpdateAllLayersOrder();
}