590 lines
18 KiB
C++
590 lines
18 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) 2017 Jon Evans <jon@craftyjon.com>
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* Copyright (C) 2019 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <gerbview_painter.h>
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#include <gal/graphics_abstraction_layer.h>
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#include <settings/color_settings.h>
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#include <convert_basic_shapes_to_polygon.h>
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#include <convert_to_biu.h>
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#include <gerbview.h>
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#include <dcode.h>
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#include <gerber_draw_item.h>
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#include <gerber_file_image.h>
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using namespace KIGFX;
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GERBVIEW_RENDER_SETTINGS::GERBVIEW_RENDER_SETTINGS()
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{
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m_backgroundColor = COLOR4D::BLACK;
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m_spotFill = true;
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m_lineFill = true;
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m_polygonFill = true;
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m_showNegativeItems = false;
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m_showCodes = false;
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m_diffMode = true;
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m_componentHighlightString = "";
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m_netHighlightString = "";
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m_attributeHighlightString = "";
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update();
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}
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void GERBVIEW_RENDER_SETTINGS::LoadColors( const COLOR_SETTINGS* aSettings )
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{
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size_t palette_size = aSettings->m_Palette.size();
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size_t palette_idx = 0;
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// Layers to draw gerber data read from gerber files:
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for( int i = GERBVIEW_LAYER_ID_START;
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i < GERBVIEW_LAYER_ID_START + GERBER_DRAWLAYERS_COUNT; i++ )
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{
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COLOR4D baseColor = aSettings->GetColor( i );
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if( baseColor == COLOR4D::UNSPECIFIED )
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baseColor = aSettings->m_Palette[ ( palette_idx++ ) % palette_size ];
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if( m_diffMode )
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baseColor.a = 0.75;
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m_layerColors[i] = baseColor;
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m_layerColorsHi[i] = baseColor.Brightened( 0.5 );
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m_layerColorsSel[i] = baseColor.Brightened( 0.8 );
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m_layerColorsDark[i] = baseColor.Darkened( 0.25 );
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}
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// Draw layers specific to Gerbview:
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// LAYER_DCODES, LAYER_NEGATIVE_OBJECTS, LAYER_GERBVIEW_GRID,
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// LAYER_GERBVIEW_AXES, LAYER_GERBVIEW_BACKGROUND, LAYER_GERBVIEW_WORKSHEET,
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for( int i = LAYER_DCODES; i < GERBVIEW_LAYER_ID_END; i++ )
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m_layerColors[i] = aSettings->GetColor( i );
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for( int i = GAL_LAYER_ID_START; i < GAL_LAYER_ID_END; i++ )
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m_layerColors[i] = aSettings->GetColor( i );
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update();
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}
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void GERBVIEW_RENDER_SETTINGS::LoadDisplayOptions( const GBR_DISPLAY_OPTIONS& aOptions )
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{
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m_spotFill = aOptions.m_DisplayFlashedItemsFill;
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m_lineFill = aOptions.m_DisplayLinesFill;
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m_polygonFill = aOptions.m_DisplayPolygonsFill;
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m_showNegativeItems = aOptions.m_DisplayNegativeObjects;
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m_showCodes = aOptions.m_DisplayDCodes;
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m_diffMode = aOptions.m_DiffMode;
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m_hiContrastEnabled = aOptions.m_HighContrastMode;
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m_showPageLimits = aOptions.m_DisplayPageLimits;
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m_backgroundColor = aOptions.m_BgDrawColor;
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update();
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}
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COLOR4D GERBVIEW_RENDER_SETTINGS::GetColor( const VIEW_ITEM* aItem, int aLayer ) const
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{
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const EDA_ITEM* item = static_cast<const EDA_ITEM*>( aItem );
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static const COLOR4D transparent = COLOR4D( 0, 0, 0, 0 );
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const GERBER_DRAW_ITEM* gbrItem = nullptr;
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if( item && item->Type() == GERBER_DRAW_ITEM_T )
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gbrItem = static_cast<const GERBER_DRAW_ITEM*>( item );
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// All DCODE layers stored under a single color setting
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if( IsDCodeLayer( aLayer ) )
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return m_layerColors[ LAYER_DCODES ];
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if( item && item->IsSelected() )
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return m_layerColorsSel[aLayer];
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if( gbrItem && gbrItem->GetLayerPolarity() )
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{
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if( m_showNegativeItems )
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return m_layerColors[LAYER_NEGATIVE_OBJECTS];
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else
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return transparent;
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}
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if( !m_netHighlightString.IsEmpty() && gbrItem &&
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m_netHighlightString == gbrItem->GetNetAttributes().m_Netname )
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return m_layerColorsHi[aLayer];
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if( !m_componentHighlightString.IsEmpty() && gbrItem &&
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m_componentHighlightString == gbrItem->GetNetAttributes().m_Cmpref )
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return m_layerColorsHi[aLayer];
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if( !m_attributeHighlightString.IsEmpty() && gbrItem && gbrItem->GetDcodeDescr() &&
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m_attributeHighlightString == gbrItem->GetDcodeDescr()->m_AperFunction )
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return m_layerColorsHi[aLayer];
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// Return grayish color for non-highlighted layers in the high contrast mode
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if( m_hiContrastEnabled && m_activeLayers.count( aLayer ) == 0)
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return m_hiContrastColor[aLayer];
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// Catch the case when highlight and high-contraste modes are enabled
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// and we are drawing a not highlighted track
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if( m_highlightEnabled )
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return m_layerColorsDark[aLayer];
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// No special modificators enabled
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return m_layerColors[aLayer];
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}
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GERBVIEW_PAINTER::GERBVIEW_PAINTER( GAL* aGal ) :
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PAINTER( aGal )
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{
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}
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// TODO(JE): Pull up to PAINTER?
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int GERBVIEW_PAINTER::getLineThickness( int aActualThickness ) const
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{
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// if items have 0 thickness, draw them with the outline
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// width, otherwise respect the set value (which, no matter
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// how small will produce something)
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if( aActualThickness == 0 )
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return m_gerbviewSettings.m_outlineWidth;
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return aActualThickness;
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}
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bool GERBVIEW_PAINTER::Draw( const VIEW_ITEM* aItem, int aLayer )
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{
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const EDA_ITEM* item = static_cast<const EDA_ITEM*>( aItem );
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// the "cast" applied in here clarifies which overloaded draw() is called
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switch( item->Type() )
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{
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case GERBER_DRAW_ITEM_T:
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draw( static_cast<GERBER_DRAW_ITEM*>( const_cast<EDA_ITEM*>( item ) ), aLayer );
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break;
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default:
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// Painter does not know how to draw the object
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return false;
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}
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return true;
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}
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// TODO(JE) aItem can't be const because of GetDcodeDescr()
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// Probably that can be refactored in GERBER_DRAW_ITEM to allow const here.
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void GERBVIEW_PAINTER::draw( /*const*/ GERBER_DRAW_ITEM* aItem, int aLayer )
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{
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VECTOR2D start( aItem->GetABPosition( aItem->m_Start ) ); // TODO(JE) Getter
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VECTOR2D end( aItem->GetABPosition( aItem->m_End ) ); // TODO(JE) Getter
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int width = aItem->m_Size.x; // TODO(JE) Getter
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bool isFilled = true;
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COLOR4D color;
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// TODO(JE) This doesn't actually work properly for ImageNegative
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bool isNegative = ( aItem->GetLayerPolarity() ^ aItem->m_GerberImageFile->m_ImageNegative );
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// Draw DCODE overlay text
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if( IsDCodeLayer( aLayer ) )
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{
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wxString codeText;
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VECTOR2D textPosition;
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double textSize;
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double orient;
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if( !aItem->GetTextD_CodePrms( textSize, textPosition, orient ) )
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return;
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color = m_gerbviewSettings.GetColor( aItem, aLayer );
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codeText.Printf( "D%d", aItem->m_DCode );
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m_gal->SetIsStroke( true );
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m_gal->SetIsFill( false );
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m_gal->SetStrokeColor( color );
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m_gal->SetFillColor( COLOR4D( 0, 0, 0, 0 ) );
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m_gal->SetLineWidth( textSize/10 );
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m_gal->SetFontBold( false );
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m_gal->SetFontItalic( false );
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m_gal->SetTextMirrored( false );
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m_gal->SetGlyphSize( VECTOR2D( textSize, textSize) );
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m_gal->SetHorizontalJustify( GR_TEXT_HJUSTIFY_CENTER );
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m_gal->SetVerticalJustify( GR_TEXT_VJUSTIFY_CENTER );
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m_gal->BitmapText( codeText, textPosition, orient );
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return;
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}
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color = m_gerbviewSettings.GetColor( aItem, aLayer );
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// TODO: Should brightened color be a preference?
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if( aItem->IsBrightened() )
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color = COLOR4D( 0.0, 1.0, 0.0, 0.75 );
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m_gal->SetNegativeDrawMode( isNegative );
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m_gal->SetStrokeColor( color );
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m_gal->SetFillColor( color );
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m_gal->SetIsFill( isFilled );
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m_gal->SetIsStroke( !isFilled );
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switch( aItem->m_Shape )
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{
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case GBR_POLYGON:
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{
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isFilled = m_gerbviewSettings.m_polygonFill;
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m_gal->SetIsFill( isFilled );
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m_gal->SetIsStroke( !isFilled );
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if( isNegative && !isFilled )
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{
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m_gal->SetNegativeDrawMode( false );
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m_gal->SetStrokeColor( GetSettings()->GetColor( aItem, aLayer ) );
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}
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if( !isFilled )
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m_gal->SetLineWidth( m_gerbviewSettings.m_outlineWidth );
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std::vector<VECTOR2I> pts = aItem->m_Polygon.COutline( 0 ).CPoints();
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for( auto& pt : pts )
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pt = aItem->GetABPosition( pt );
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SHAPE_POLY_SET absolutePolygon;
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SHAPE_LINE_CHAIN chain( pts );
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chain.SetClosed( true );
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absolutePolygon.AddOutline( chain );
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// Degenerated polygons (having < 3 points) are drawn as lines
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// to avoid issues in draw polygon functions
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if( !isFilled || absolutePolygon.COutline( 0 ).PointCount() < 3 )
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m_gal->DrawPolyline( absolutePolygon.COutline( 0 ) );
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else
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{
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// On Opengl, a not convex filled polygon is usually drawn by using triangles as primitives.
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// CacheTriangulation() can create basic triangle primitives to draw the polygon solid shape
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// on Opengl
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if( m_gal->IsOpenGlEngine() )
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absolutePolygon.CacheTriangulation();
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m_gal->DrawPolygon( absolutePolygon );
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}
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break;
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}
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case GBR_CIRCLE:
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{
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isFilled = m_gerbviewSettings.m_lineFill;
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double radius = GetLineLength( aItem->m_Start, aItem->m_End );
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m_gal->DrawCircle( start, radius );
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break;
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}
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case GBR_ARC:
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{
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isFilled = m_gerbviewSettings.m_lineFill;
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// These are swapped because wxDC fills arcs counterclockwise and GAL
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// fills them clockwise.
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wxPoint arcStart = aItem->m_End;
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wxPoint arcEnd = aItem->m_Start;
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// Gerber arcs are 3-point (start, center, end)
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// GAL needs center, radius, start angle, end angle
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double radius = GetLineLength( arcStart, aItem->m_ArcCentre );
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VECTOR2D center = aItem->GetABPosition( aItem->m_ArcCentre );
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VECTOR2D startVec = VECTOR2D( aItem->GetABPosition( arcStart ) ) - center;
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VECTOR2D endVec = VECTOR2D( aItem->GetABPosition( arcEnd ) ) - center;
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m_gal->SetIsFill( isFilled );
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m_gal->SetIsStroke( !isFilled );
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m_gal->SetLineWidth( isFilled ? width : m_gerbviewSettings.m_outlineWidth );
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double startAngle = startVec.Angle();
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double endAngle = endVec.Angle();
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// GAL fills in direction of increasing angle, so we have to convert
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// the angle from the -PI to PI domain of atan2() to ensure that
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// the arc goes in the right direction
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if( startAngle > endAngle )
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endAngle += (2 * M_PI);
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// In Gerber, 360-degree arcs are stored in the file with start equal to end
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if( arcStart == arcEnd )
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{
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endAngle = startAngle + 2*M_PI;
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}
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m_gal->DrawArcSegment( center, radius, startAngle, endAngle, width );
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#if 0 // Arc Debugging only
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m_gal->SetIsFill( false );
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m_gal->SetIsStroke( true );
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m_gal->SetLineWidth( 5 );
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m_gal->SetStrokeColor( COLOR4D( 0.1, 0.5, 0.0, 0.5 ) );
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m_gal->DrawLine( center, aItem->GetABPosition( arcStart ) );
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m_gal->SetStrokeColor( COLOR4D( 0.6, 0.1, 0.0, 0.5 ) );
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m_gal->DrawLine( center, aItem->GetABPosition( arcEnd ) );
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#endif
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#if 0 // Bbox arc Debugging only
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m_gal->SetIsFill( false );
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m_gal->SetIsStroke( true );
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EDA_RECT box = aItem->GetBoundingBox();
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m_gal->SetLineWidth( 5 );
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m_gal->SetStrokeColor( COLOR4D(0.9, 0.9, 0, 0.4) );
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// box coordinates are already in AB position.
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m_gal->DrawRectangle( box.GetOrigin(), box.GetEnd() );
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#endif
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break;
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}
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case GBR_SPOT_CIRCLE:
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case GBR_SPOT_RECT:
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case GBR_SPOT_OVAL:
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case GBR_SPOT_POLY:
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case GBR_SPOT_MACRO:
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{
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isFilled = m_gerbviewSettings.m_spotFill;
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drawFlashedShape( aItem, isFilled );
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break;
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}
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case GBR_SEGMENT:
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{
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/* Plot a line from m_Start to m_End.
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* Usually, a round pen is used, but some gerber files use a rectangular pen
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* In fact, any aperture can be used to plot a line.
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* currently: only a square pen is handled (I believe using a polygon gives a strange plot).
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*/
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isFilled = m_gerbviewSettings.m_lineFill;
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m_gal->SetIsFill( isFilled );
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m_gal->SetIsStroke( !isFilled );
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if( isNegative && !isFilled )
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m_gal->SetStrokeColor( GetSettings()->GetColor( aItem, aLayer ) );
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// TODO(JE) Refactor this to allow const aItem
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D_CODE* code = aItem->GetDcodeDescr();
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if( code && code->m_Shape == APT_RECT )
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{
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if( aItem->m_Polygon.OutlineCount() == 0 )
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aItem->ConvertSegmentToPolygon();
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drawPolygon( aItem, aItem->m_Polygon, isFilled );
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}
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else
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{
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if( !isFilled )
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m_gal->SetLineWidth( m_gerbviewSettings.m_outlineWidth );
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m_gal->DrawSegment( start, end, width );
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}
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break;
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}
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default:
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wxASSERT_MSG( false, "GERBER_DRAW_ITEM shape is unknown!" );
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break;
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}
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// Enable for bounding box debugging
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#if 0
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const BOX2I& bb = aItem->ViewBBox();
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m_gal->SetIsStroke( true );
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m_gal->SetIsFill( true );
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m_gal->SetLineWidth( 3 );
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m_gal->SetStrokeColor( COLOR4D(0.9, 0.9, 0, 0.4) );
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m_gal->SetFillColor( COLOR4D(0.9, 0.9, 0, 0.1) );
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m_gal->DrawRectangle( bb.GetOrigin(), bb.GetEnd() );
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#endif
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}
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void GERBVIEW_PAINTER::drawPolygon(
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GERBER_DRAW_ITEM* aParent, const SHAPE_POLY_SET& aPolygon, bool aFilled, bool aShift )
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{
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wxASSERT( aPolygon.OutlineCount() == 1 );
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if( aPolygon.OutlineCount() == 0 )
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return;
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SHAPE_POLY_SET poly;
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poly.NewOutline();
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const std::vector<VECTOR2I> pts = aPolygon.COutline( 0 ).CPoints();
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VECTOR2I offset = aShift ? VECTOR2I( aParent->m_Start ) : VECTOR2I( 0, 0 );
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for( auto& pt : pts )
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poly.Append( aParent->GetABPosition( pt + offset ) );
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if( !m_gerbviewSettings.m_polygonFill )
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m_gal->SetLineWidth( m_gerbviewSettings.m_outlineWidth );
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if( !aFilled )
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{
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m_gal->DrawPolyline( poly.COutline( 0 ) );
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}
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else
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m_gal->DrawPolygon( poly );
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}
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void GERBVIEW_PAINTER::drawFlashedShape( GERBER_DRAW_ITEM* aItem, bool aFilled )
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{
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D_CODE* code = aItem->GetDcodeDescr();
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wxASSERT_MSG( code, "drawFlashedShape: Item has no D_CODE!" );
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if( !code )
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return;
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m_gal->SetIsFill( aFilled );
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m_gal->SetIsStroke( !aFilled );
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m_gal->SetLineWidth( m_gerbviewSettings.m_outlineWidth );
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switch( aItem->m_Shape )
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{
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case GBR_SPOT_CIRCLE:
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{
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int radius = code->m_Size.x >> 1;
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VECTOR2D start( aItem->GetABPosition( aItem->m_Start ) );
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if( !aFilled || code->m_DrillShape == APT_DEF_NO_HOLE )
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{
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m_gal->DrawCircle( start, radius );
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}
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else // rectangular hole
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{
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if( code->m_Polygon.OutlineCount() == 0 )
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code->ConvertShapeToPolygon();
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drawPolygon( aItem, code->m_Polygon, aFilled, true );
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case GBR_SPOT_RECT:
|
|
{
|
|
wxPoint codeStart;
|
|
wxPoint aShapePos = aItem->m_Start;
|
|
codeStart.x = aShapePos.x - code->m_Size.x / 2;
|
|
codeStart.y = aShapePos.y - code->m_Size.y / 2;
|
|
wxPoint codeEnd = codeStart + code->m_Size;
|
|
codeStart = aItem->GetABPosition( codeStart );
|
|
codeEnd = aItem->GetABPosition( codeEnd );
|
|
|
|
if( !aFilled || code->m_DrillShape == APT_DEF_NO_HOLE )
|
|
{
|
|
m_gal->DrawRectangle( VECTOR2D( codeStart ), VECTOR2D( codeEnd ) );
|
|
}
|
|
else
|
|
{
|
|
if( code->m_Polygon.OutlineCount() == 0 )
|
|
code->ConvertShapeToPolygon();
|
|
|
|
drawPolygon( aItem, code->m_Polygon, aFilled, true );
|
|
}
|
|
break;
|
|
}
|
|
|
|
case GBR_SPOT_OVAL:
|
|
{
|
|
int radius = 0;
|
|
|
|
wxPoint codeStart = aItem->m_Start;
|
|
wxPoint codeEnd = aItem->m_Start;
|
|
|
|
if( code->m_Size.x > code->m_Size.y ) // horizontal oval
|
|
{
|
|
int delta = (code->m_Size.x - code->m_Size.y) / 2;
|
|
codeStart.x -= delta;
|
|
codeEnd.x += delta;
|
|
radius = code->m_Size.y;
|
|
}
|
|
else // horizontal oval
|
|
{
|
|
int delta = (code->m_Size.y - code->m_Size.x) / 2;
|
|
codeStart.y -= delta;
|
|
codeEnd.y += delta;
|
|
radius = code->m_Size.x;
|
|
}
|
|
|
|
codeStart = aItem->GetABPosition( codeStart );
|
|
codeEnd = aItem->GetABPosition( codeEnd );
|
|
|
|
if( !aFilled || code->m_DrillShape == APT_DEF_NO_HOLE )
|
|
{
|
|
m_gal->DrawSegment( codeStart, codeEnd, radius );
|
|
}
|
|
else
|
|
{
|
|
if( code->m_Polygon.OutlineCount() == 0 )
|
|
code->ConvertShapeToPolygon();
|
|
|
|
drawPolygon( aItem, code->m_Polygon, aFilled, true );
|
|
}
|
|
break;
|
|
}
|
|
|
|
case GBR_SPOT_POLY:
|
|
{
|
|
if( code->m_Polygon.OutlineCount() == 0 )
|
|
code->ConvertShapeToPolygon();
|
|
|
|
drawPolygon( aItem, code->m_Polygon, aFilled, true );
|
|
break;
|
|
}
|
|
|
|
case GBR_SPOT_MACRO:
|
|
drawApertureMacro( aItem, aFilled );
|
|
break;
|
|
|
|
default:
|
|
wxASSERT_MSG( false, wxT( "Unknown Gerber flashed shape!" ) );
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
void GERBVIEW_PAINTER::drawApertureMacro( GERBER_DRAW_ITEM* aParent, bool aFilled )
|
|
{
|
|
D_CODE* code = aParent->GetDcodeDescr();
|
|
APERTURE_MACRO* macro = code->GetMacro();
|
|
|
|
SHAPE_POLY_SET* macroShape = macro->GetApertureMacroShape( aParent, aParent->m_Start );
|
|
|
|
if( !m_gerbviewSettings.m_polygonFill )
|
|
m_gal->SetLineWidth( m_gerbviewSettings.m_outlineWidth );
|
|
|
|
if( !aFilled )
|
|
{
|
|
for( int i = 0; i < macroShape->OutlineCount(); i++ )
|
|
m_gal->DrawPolyline( macroShape->COutline( i ) );
|
|
}
|
|
else
|
|
m_gal->DrawPolygon( *macroShape );
|
|
}
|
|
|
|
|
|
const double GERBVIEW_RENDER_SETTINGS::MAX_FONT_SIZE = Millimeter2iu( 10.0 );
|