kicad/common/worksheet_viewitem.cpp

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/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2013-2018 CERN
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* @author Maciej Suminski <maciej.suminski@cern.ch>
*
* 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
*/
/**
* @file worksheet_viewitem.cpp
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* @brief Class that handles properties and drawing of worksheet layout.
*/
#include <worksheet_viewitem.h>
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#include <worksheet_shape_builder.h>
#include <worksheet_dataitem.h>
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#include <gal/graphics_abstraction_layer.h>
#include <painter.h>
#include <layers_id_colors_and_visibility.h>
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#include <page_info.h>
#include <view/view.h>
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using namespace KIGFX;
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WORKSHEET_VIEWITEM::WORKSHEET_VIEWITEM( int aMils2IUscalefactor,
const PAGE_INFO* aPageInfo, const TITLE_BLOCK* aTitleBlock ) :
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EDA_ITEM( NOT_USED ), // this item is never added to a BOARD so it needs no type
m_mils2IUscalefactor( aMils2IUscalefactor ),
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m_titleBlock( aTitleBlock ), m_pageInfo( aPageInfo ), m_sheetNumber( 1 ), m_sheetCount( 1 ) {}
void WORKSHEET_VIEWITEM::SetPageInfo( const PAGE_INFO* aPageInfo )
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{
m_pageInfo = aPageInfo;
}
void WORKSHEET_VIEWITEM::SetTitleBlock( const TITLE_BLOCK* aTitleBlock )
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{
m_titleBlock = aTitleBlock;
}
const BOX2I WORKSHEET_VIEWITEM::ViewBBox() const
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{
BOX2I bbox;
if( m_pageInfo != NULL )
{
bbox.SetOrigin( VECTOR2I( 0, 0 ) );
bbox.SetEnd( VECTOR2I( m_pageInfo->GetWidthMils() * m_mils2IUscalefactor,
m_pageInfo->GetHeightMils() * m_mils2IUscalefactor ) );
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}
else
{
bbox.SetMaximum();
}
return bbox;
}
void WORKSHEET_VIEWITEM::ViewDraw( int aLayer, VIEW* aView ) const
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{
auto gal = aView->GetGAL();
auto settings = aView->GetPainter()->GetSettings();
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wxString fileName( m_fileName.c_str(), wxConvUTF8 );
wxString sheetName( m_sheetName.c_str(), wxConvUTF8 );
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WS_DRAW_ITEM_LIST drawList;
drawList.SetPenSize( settings->GetWorksheetLineWidth() );
// Adjust the scaling factor for worksheet items:
// worksheet items coordinates and sizes are stored in mils,
// and must be scaled to the same units as the caller
drawList.SetMilsToIUfactor( m_mils2IUscalefactor );
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drawList.SetSheetNumber( m_sheetNumber );
drawList.SetSheetCount( m_sheetCount );
drawList.SetFileName( fileName );
drawList.SetSheetName( sheetName );
COLOR4D color = settings->GetColor( this, aLayer );
drawList.BuildWorkSheetGraphicList( *m_pageInfo, *m_titleBlock, color, color );
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// Draw the title block normally even if the view is flipped
bool flipped = gal->IsFlippedX();
if( flipped )
{
gal->Save();
gal->Translate( VECTOR2D( m_pageInfo->GetWidthMils() * m_mils2IUscalefactor, 0 ) );
gal->Scale( VECTOR2D( -1.0, 1.0 ) );
}
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// Draw all the components that make the page layout
WS_DRAW_ITEM_BASE* item = drawList.GetFirst();
while( item )
{
switch( item->GetType() )
{
case WS_DRAW_ITEM_BASE::wsg_line:
draw( static_cast<const WS_DRAW_ITEM_LINE*>( item ), gal );
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break;
case WS_DRAW_ITEM_BASE::wsg_rect:
draw( static_cast<const WS_DRAW_ITEM_RECT*>( item ), gal );
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break;
case WS_DRAW_ITEM_BASE::wsg_poly:
draw( static_cast<const WS_DRAW_ITEM_POLYGON*>( item ), gal );
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break;
case WS_DRAW_ITEM_BASE::wsg_text:
draw( static_cast<const WS_DRAW_ITEM_TEXT*>( item ), gal );
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break;
case WS_DRAW_ITEM_BASE::wsg_bitmap:
draw( static_cast<const WS_DRAW_ITEM_BITMAP*>( item ), gal );
break;
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}
item = drawList.GetNext();
}
// Draw gray line that outlines the sheet size
if( settings->GetShowPageLimits() )
drawBorder( gal );
if( flipped )
gal->Restore();
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}
void WORKSHEET_VIEWITEM::ViewGetLayers( int aLayers[], int& aCount ) const
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{
aCount = 1;
aLayers[0] = LAYER_WORKSHEET;
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}
void WORKSHEET_VIEWITEM::draw( const WS_DRAW_ITEM_LINE* aItem, GAL* aGal ) const
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{
aGal->SetIsStroke( true );
aGal->SetIsFill( false );
aGal->SetStrokeColor( COLOR4D( aItem->GetColor() ) );
aGal->SetLineWidth( aItem->GetPenWidth() );
aGal->DrawLine( VECTOR2D( aItem->GetStart() ), VECTOR2D( aItem->GetEnd() ) );
}
void WORKSHEET_VIEWITEM::draw( const WS_DRAW_ITEM_RECT* aItem, GAL* aGal ) const
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{
aGal->SetIsStroke( true );
aGal->SetIsFill( false );
aGal->SetStrokeColor( COLOR4D( aItem->GetColor() ) );
aGal->SetLineWidth( aItem->GetPenWidth() );
aGal->DrawRectangle( VECTOR2D( aItem->GetStart() ), VECTOR2D( aItem->GetEnd() ) );
}
void WORKSHEET_VIEWITEM::draw( const WS_DRAW_ITEM_POLYGON* aItem, GAL* aGal ) const
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{
std::deque<VECTOR2D> corners;
for( wxPoint point : aItem->m_Corners )
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{
corners.push_back( VECTOR2D( point ) );
}
if( aItem->IsFilled() )
{
aGal->SetFillColor( COLOR4D( aItem->GetColor() ) );
aGal->SetIsFill( true );
aGal->SetIsStroke( false );
aGal->DrawPolygon( corners );
}
else
{
aGal->SetStrokeColor( COLOR4D( aItem->GetColor() ) );
aGal->SetIsFill( false );
aGal->SetIsStroke( true );
aGal->SetLineWidth( aItem->GetPenWidth() );
aGal->DrawPolyline( corners );
}
}
void WORKSHEET_VIEWITEM::draw( const WS_DRAW_ITEM_TEXT* aItem, GAL* aGal ) const
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{
VECTOR2D position( aItem->GetTextPos().x, aItem->GetTextPos().y );
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aGal->Save();
aGal->Translate( position );
aGal->Rotate( -aItem->GetTextAngle() * M_PI / 1800.0 );
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aGal->SetStrokeColor( COLOR4D( aItem->GetColor() ) );
aGal->SetLineWidth( aItem->GetThickness() );
aGal->SetTextAttributes( aItem );
aGal->StrokeText( aItem->GetShownText(), VECTOR2D( 0, 0 ), 0.0 );
aGal->Restore();
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}
void WORKSHEET_VIEWITEM::draw( const WS_DRAW_ITEM_BITMAP* aItem, GAL* aGal ) const
{
aGal->Save();
VECTOR2D position = aItem->GetPosition();
aGal->Translate( position );
WORKSHEET_DATAITEM_BITMAP* parent = static_cast<WORKSHEET_DATAITEM_BITMAP*>( aItem->GetParent() );
// When the image scale factor is not 1.0, we need to modify the actual scale
// as the image scale factor is similar to a local zoom
double img_scale = parent->m_ImageBitmap->GetScale();
if( img_scale != 1.0 )
aGal->Scale( VECTOR2D( img_scale, img_scale ) );
aGal->DrawBitmap( *parent->m_ImageBitmap );
aGal->Restore();
}
void WORKSHEET_VIEWITEM::drawBorder( GAL* aGal ) const
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{
VECTOR2D origin = VECTOR2D( 0.0, 0.0 );
VECTOR2D end = VECTOR2D( m_pageInfo->GetWidthMils() * m_mils2IUscalefactor,
m_pageInfo->GetHeightMils() * m_mils2IUscalefactor );
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aGal->SetIsStroke( true );
// Use a gray color for the border color
aGal->SetStrokeColor( COLOR4D( 0.4, 0.4, 0.4, 1.0 ) );
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aGal->SetIsFill( false );
aGal->DrawRectangle( origin, end );
}