684 lines
15 KiB
C++
684 lines
15 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2013 CERN
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* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <boost/foreach.hpp>
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#include <base_struct.h>
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#include <layers_id_colors_and_visibility.h>
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#include <view/view.h>
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#include <view/view_rtree.h>
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#include <gal/definitions.h>
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#include <gal/graphics_abstraction_layer.h>
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#include <painter.h>
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#ifdef __WXDEBUG__
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#include <profile.h>
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#endif /* __WXDEBUG__ */
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using namespace KiGfx;
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// Static constants
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const int VIEW::VIEW_MAX_LAYERS = 64;
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// Top layer depth
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const int VIEW::TOP_LAYER = -1;
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void VIEW::AddLayer( int aLayer, bool aDisplayOnly )
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{
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if( m_layers.find( aLayer ) == m_layers.end() )
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{
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m_layers[aLayer] = VIEW_LAYER();
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m_layers[aLayer].id = aLayer;
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m_layers[aLayer].items = new VIEW_RTREE();
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m_layers[aLayer].renderingOrder = aLayer;
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m_layers[aLayer].enabled = true;
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m_layers[aLayer].cached = true;
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m_layers[aLayer].isDirty = false;
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m_layers[aLayer].displayOnly = aDisplayOnly;
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}
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sortLayers();
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}
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void VIEW::Add( VIEW_ITEM* aItem )
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{
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int layers[VIEW_MAX_LAYERS], layers_count;
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aItem->ViewGetLayers( layers, layers_count );
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for( int i = 0; i < layers_count; i++ )
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{
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VIEW_LAYER* l = &m_layers[layers[i]];
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l->items->Insert( aItem );
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l->dirtyExtents.Merge( aItem->ViewBBox() );
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}
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if( m_dynamic )
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aItem->viewAssign( this );
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}
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void VIEW::Remove( VIEW_ITEM* aItem )
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{
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if( m_dynamic )
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aItem->m_view = NULL;
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// fixme: this is so sloooow!
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for( LayerMapIter i = m_layers.begin(); i != m_layers.end(); ++i )
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{
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VIEW_LAYER* l = & ( ( *i ).second );
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l->items->Remove( aItem );
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}
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}
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// stupid C++... python lamda would do this in one line
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template <class Container>
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struct queryVisitor
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{
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typedef typename Container::value_type item_type;
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queryVisitor( Container& aCont, int aLayer ) :
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m_cont( aCont ), m_layer( aLayer )
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{
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}
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void operator()( VIEW_ITEM* aItem )
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{
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if( aItem->ViewIsVisible() )
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m_cont.push_back( VIEW::LayerItemPair( aItem, m_layer ) );
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}
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Container& m_cont;
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int m_layer;
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};
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int VIEW::Query( const BOX2I& aRect, std::vector<LayerItemPair>& aResult )
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{
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if( m_orderedLayers.empty() )
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return 0;
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std::vector<VIEW_LAYER*>::reverse_iterator i;
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// execute queries in reverse direction, so that items that are on the top of
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// the rendering stack are returned first.
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for( i = m_orderedLayers.rbegin(); i != m_orderedLayers.rend(); ++i )
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{
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// ignore layers that do not contain actual items (i.e. the selection box, menus, floats)
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if( ( *i )->displayOnly )
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continue;
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queryVisitor<std::vector<LayerItemPair> > visitor( aResult, ( *i )->id );
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( *i )->items->Query( aRect, visitor );
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}
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return aResult.size();
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}
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VIEW::VIEW( bool aIsDynamic ) :
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m_enableTopLayer( false ),
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m_scale ( 1.0 ),
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m_painter( NULL ),
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m_gal( NULL ),
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m_dynamic( aIsDynamic )
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{
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// By default there is no layer on the top
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m_topLayer.enabled = false;
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}
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VIEW::~VIEW()
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{
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BOOST_FOREACH( LayerMap::value_type& l, m_layers )
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{
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delete l.second.items;
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}
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}
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VECTOR2D VIEW::ToWorld( const VECTOR2D& aCoord, bool aAbsolute ) const
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{
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MATRIX3x3D matrix = m_gal->GetWorldScreenMatrix().Inverse();
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if( aAbsolute )
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{
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return VECTOR2D( matrix * aCoord );
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}
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else
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{
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return VECTOR2D( matrix.GetScale().x * aCoord.x, matrix.GetScale().y * aCoord.y );
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}
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}
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VECTOR2D VIEW::ToScreen( const VECTOR2D& aCoord, bool aAbsolute ) const
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{
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MATRIX3x3D matrix = m_gal->GetWorldScreenMatrix();
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if( aAbsolute )
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{
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return VECTOR2D( matrix * aCoord );
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}
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else
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{
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return VECTOR2D( matrix.GetScale().x * aCoord.x, matrix.GetScale().y * aCoord.y );
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}
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}
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double VIEW::ToScreen( double aCoord, bool aAbsolute ) const
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{
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VECTOR2D t( aCoord, 0 );
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return ToScreen( t, aAbsolute ).x;
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}
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void VIEW::CopySettings( const VIEW* aOtherView )
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{
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wxASSERT_MSG( false, wxT( "This is not implemented" ) );
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}
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void VIEW::SetGAL( GAL* aGal )
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{
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m_gal = aGal;
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// clear group numbers, so everything is going to be recached
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clearGroupCache();
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// force the new GAL to display the current viewport.
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SetCenter( m_center );
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SetScale( m_scale );
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}
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void VIEW::SetPainter( PAINTER* aPainter )
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{
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m_painter = aPainter;
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}
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BOX2D VIEW::GetViewport() const
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{
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BOX2D rect;
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VECTOR2D screenSize = m_gal->GetScreenPixelSize();
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rect.SetOrigin( ToWorld( VECTOR2D( 0, 0 ) ) );
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rect.SetEnd( ToWorld( screenSize ) );
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return rect.Normalize();
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}
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void VIEW::SetViewport( const BOX2D& aViewport, bool aKeepAspect )
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{
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VECTOR2D ssize = ToWorld( m_gal->GetScreenPixelSize(), false );
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VECTOR2D centre = aViewport.Centre();
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VECTOR2D vsize = aViewport.GetSize();
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double zoom = 1.0 / std::min( fabs( vsize.x / ssize.x ), fabs( vsize.y / ssize.y ) );
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SetCenter( centre );
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SetScale( GetScale() * zoom );
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}
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void VIEW::SetMirror( bool aMirrorX, bool aMirrorY )
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{
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wxASSERT_MSG( false, wxT( "This is not implemented" ) );
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}
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void VIEW::SetScale( double aScale )
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{
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SetScale( aScale, m_center );
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}
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void VIEW::SetScale( double aScale, const VECTOR2D& aAnchor )
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{
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VECTOR2D a = ToScreen( aAnchor );
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m_gal->SetZoomFactor( aScale );
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m_gal->ComputeWorldScreenMatrix();
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VECTOR2D delta = ToWorld( a ) - aAnchor;
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SetCenter( m_center - delta );
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m_scale = aScale;
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}
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void VIEW::SetCenter( const VECTOR2D& aCenter )
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{
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m_center = aCenter;
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m_gal->SetLookAtPoint( m_center );
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m_gal->ComputeWorldScreenMatrix();
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}
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void VIEW::sortLayers()
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{
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int n = 0;
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m_orderedLayers.resize( m_layers.size() );
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for( LayerMapIter i = m_layers.begin(); i != m_layers.end(); ++i )
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m_orderedLayers[n++] = &i->second;
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sort( m_orderedLayers.begin(), m_orderedLayers.end(), compareRenderingOrder );
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}
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void VIEW::SetLayerOrder( int aLayer, int aRenderingOrder )
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{
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m_layers[aLayer].renderingOrder = aRenderingOrder;
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sortLayers();
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}
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struct VIEW::updateItemsColor
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{
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updateItemsColor( int aLayer, PAINTER* aPainter, GAL* aGal ) :
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layer( aLayer ), painter( aPainter), gal( aGal )
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{
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}
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void operator()( VIEW_ITEM* aItem )
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{
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// Obtain the color that should be used for coloring the item
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const COLOR4D color = painter->GetColor( aItem, layer );
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int group = aItem->getGroup( layer );
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wxASSERT( group >= 0 );
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gal->ChangeGroupColor( group, color );
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}
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int layer;
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PAINTER* painter;
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GAL* gal;
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};
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void VIEW::UpdateLayerColor( int aLayer )
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{
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BOX2I r;
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r.SetMaximum();
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updateItemsColor visitor( aLayer, m_painter, m_gal );
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m_layers[aLayer].items->Query( r, visitor );
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}
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void VIEW::UpdateAllLayersColor()
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{
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BOX2I r;
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r.SetMaximum();
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for( LayerMapIter i = m_layers.begin(); i != m_layers.end(); ++i )
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{
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VIEW_LAYER* l = &( ( *i ).second );
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updateItemsColor visitor( l->id, m_painter, m_gal );
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l->items->Query( r, visitor );
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}
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}
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struct VIEW::changeItemsDepth
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{
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changeItemsDepth( int aLayer, int aDepth, GAL* aGal ) :
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layer( aLayer ), depth( aDepth ), gal( aGal )
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{
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}
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void operator()( VIEW_ITEM* aItem )
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{
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int group = aItem->getGroup( layer );
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if( group >= 0 )
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gal->ChangeGroupDepth( group, depth );
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}
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int layer, depth;
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GAL* gal;
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};
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void VIEW::ChangeLayerDepth( int aLayer, int aDepth )
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{
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BOX2I r;
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r.SetMaximum();
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changeItemsDepth visitor( aLayer, aDepth, m_gal );
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m_layers[aLayer].items->Query( r, visitor );
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}
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void VIEW::SetTopLayer( int aLayer )
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{
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// Restore previous order
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if( m_topLayer.enabled )
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{
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m_layers[m_topLayer.id].renderingOrder = m_topLayer.renderingOrder;
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ChangeLayerDepth( m_topLayer.id, m_topLayer.renderingOrder );
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}
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if( aLayer >= 0 && aLayer < VIEW_MAX_LAYERS )
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{
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// Save settings, so it can be restored later
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m_topLayer.renderingOrder = m_layers[aLayer].renderingOrder;
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m_topLayer.id = m_layers[aLayer].id;
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// Apply new settings only if the option is enabled
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if( m_enableTopLayer )
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{
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m_layers[aLayer].renderingOrder = TOP_LAYER;
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ChangeLayerDepth( aLayer, TOP_LAYER );
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}
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// Set the flag saying that settings stored in m_topLayer are valid
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m_topLayer.enabled = true;
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}
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else
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{
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// There are no valid settings in m_topLayer
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m_topLayer.enabled = false;
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}
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sortLayers();
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}
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void VIEW::EnableTopLayer( bool aEnable )
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{
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if( aEnable == m_enableTopLayer ) return;
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// Use stored settings only if applicable
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// (topLayer.enabled == false means there are no valid settings stored)
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if( m_topLayer.enabled )
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{
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if( aEnable )
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{
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m_layers[m_topLayer.id].renderingOrder = TOP_LAYER;
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ChangeLayerDepth( m_topLayer.id, TOP_LAYER );
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}
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else
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{
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m_layers[m_topLayer.id].renderingOrder = m_topLayer.renderingOrder;
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ChangeLayerDepth( m_topLayer.id, m_topLayer.renderingOrder );
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}
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}
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sortLayers();
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m_enableTopLayer = aEnable;
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}
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struct VIEW::drawItem
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{
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drawItem( VIEW* aView, const VIEW_LAYER* aCurrentLayer ) :
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currentLayer( aCurrentLayer ), view( aView )
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{
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}
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void operator()( VIEW_ITEM* aItem )
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{
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GAL* gal = view->GetGAL();
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if( currentLayer->cached )
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{
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// Draw using cached information or create one
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int group = aItem->getGroup( currentLayer->id );
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if( group >= 0 && aItem->ViewIsVisible() )
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{
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gal->DrawGroup( group );
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}
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else
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{
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group = gal->BeginGroup();
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aItem->setGroup( currentLayer->id, group );
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view->m_painter->Draw( aItem, currentLayer->id );
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gal->EndGroup();
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}
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}
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else if( aItem->ViewIsVisible() )
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{
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// Immediate mode
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view->m_painter->Draw( aItem, currentLayer->id );
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}
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}
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const VIEW_LAYER* currentLayer;
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VIEW* view;
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};
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void VIEW::redrawRect( const BOX2I& aRect )
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{
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BOOST_FOREACH( VIEW_LAYER* l, m_orderedLayers )
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{
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if( l->enabled )
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{
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drawItem drawFunc( this, l );
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m_gal->SetLayerDepth( static_cast<double>( l->renderingOrder ) );
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l->items->Query( aRect, drawFunc );
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l->isDirty = false;
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}
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}
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}
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struct VIEW::unlinkItem
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{
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void operator()( VIEW_ITEM* aItem )
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{
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aItem->m_view = NULL;
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}
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};
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struct VIEW::recacheLayer
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{
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recacheLayer( VIEW* aView, GAL* aGal, int aLayer, bool aImmediately ) :
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view( aView ), gal( aGal ), layer( aLayer ), immediately( aImmediately )
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{
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}
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void operator()( VIEW_ITEM* aItem )
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{
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// Remove previously cached group
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int prevGroup = aItem->getGroup( layer );
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if( prevGroup >= 0 )
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{
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gal->DeleteGroup( prevGroup );
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}
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if( immediately )
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{
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int group = gal->BeginGroup();
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aItem->setGroup( layer, group );
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view->m_painter->Draw( static_cast<EDA_ITEM*>( aItem ), layer );
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gal->EndGroup();
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}
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else
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{
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aItem->setGroup( layer, -1 );
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}
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}
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VIEW* view;
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GAL* gal;
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int layer;
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bool immediately;
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};
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void VIEW::Clear()
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{
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BOX2I r;
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r.SetMaximum();
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for( LayerMapIter i = m_layers.begin(); i != m_layers.end(); ++i )
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{
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VIEW_LAYER* l = &( ( *i ).second );
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unlinkItem v;
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if( m_dynamic )
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l->items->Query( r, v );
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l->items->RemoveAll();
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}
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m_gal->ClearCache();
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}
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void VIEW::Redraw()
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{
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VECTOR2D screenSize = m_gal->GetScreenPixelSize();
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BOX2I rect( ToWorld( VECTOR2D( 0, 0 ) ),
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ToWorld( screenSize ) - ToWorld( VECTOR2D( 0, 0 ) ) );
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rect.Normalize();
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redrawRect( rect );
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}
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VECTOR2D VIEW::GetScreenPixelSize() const
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{
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return m_gal->GetScreenPixelSize();
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}
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void VIEW::invalidateItem( VIEW_ITEM* aItem, int aUpdateFlags )
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{
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int layer_indices[VIEW_MAX_LAYERS], layer_count;
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aItem->ViewGetLayers( layer_indices, layer_count );
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for( int i = 0; i < layer_count; i++ )
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{
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VIEW_LAYER* l = &m_layers[layer_indices[i]];
|
|
|
|
l->dirtyExtents =
|
|
l->isDirty ? aItem->ViewBBox() : l->dirtyExtents.Merge( aItem->ViewBBox() );
|
|
|
|
if( aUpdateFlags & VIEW_ITEM::GEOMETRY )
|
|
{
|
|
l->items->Remove( aItem );
|
|
l->items->Insert( aItem ); /* reinsert */
|
|
|
|
aItem->deleteGroups();
|
|
}
|
|
}
|
|
|
|
if( aItem->storesGroups() )
|
|
{
|
|
std::vector<int> groups = aItem->getAllGroups();
|
|
for(std::vector<int>::iterator i = groups.begin(); i != groups.end(); i++ )
|
|
{
|
|
m_gal->DeleteGroup( *i );
|
|
}
|
|
|
|
aItem->deleteGroups();
|
|
}
|
|
}
|
|
|
|
|
|
struct VIEW::clearLayerCache
|
|
{
|
|
clearLayerCache( VIEW* aView ) :
|
|
view( aView )
|
|
{
|
|
}
|
|
|
|
void operator()( VIEW_ITEM* aItem )
|
|
{
|
|
if( aItem->storesGroups() )
|
|
{
|
|
aItem->deleteGroups();
|
|
}
|
|
}
|
|
|
|
VIEW* view;
|
|
};
|
|
|
|
|
|
void VIEW::clearGroupCache()
|
|
{
|
|
BOX2I r;
|
|
|
|
r.SetMaximum();
|
|
clearLayerCache visitor( this );
|
|
|
|
for( LayerMapIter i = m_layers.begin(); i != m_layers.end(); ++i )
|
|
{
|
|
VIEW_LAYER* l = & ( ( *i ).second );
|
|
l->items->Query( r, visitor );
|
|
}
|
|
}
|
|
|
|
|
|
void VIEW::RecacheAllItems( bool aImmediately )
|
|
{
|
|
BOX2I r;
|
|
|
|
r.SetMaximum();
|
|
|
|
#ifdef __WXDEBUG__
|
|
wxLogDebug( wxT( "RecacheAllItems::immediately: %u" ), aImmediately );
|
|
|
|
prof_counter totalRealTime;
|
|
prof_start( &totalRealTime, false );
|
|
#endif /* __WXDEBUG__ */
|
|
|
|
for( LayerMapIter i = m_layers.begin(); i != m_layers.end(); ++i )
|
|
{
|
|
VIEW_LAYER* l = & ( ( *i ).second );
|
|
|
|
if( l->cached )
|
|
{
|
|
m_gal->SetLayerDepth( (double) l->renderingOrder );
|
|
recacheLayer visitor( this, m_gal, l->id, aImmediately );
|
|
l->items->Query( r, visitor );
|
|
}
|
|
}
|
|
|
|
#ifdef __WXDEBUG__
|
|
prof_end( &totalRealTime );
|
|
|
|
wxLogDebug( wxT( "RecacheAllItems::%.1f ms" ), (double) totalRealTime.value / 1000.0 );
|
|
#endif /* __WXDEBUG__ */
|
|
}
|