Don't punt on TrueType char thickness; analyze it.
Fixes https://gitlab.com/kicad/code/kicad/issues/10740
This commit is contained in:
Jeff Young
parent
137edbe3f3
commit
3b5474f190
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@ -446,7 +446,7 @@ void EDA_TEXT::ClearBoundingBoxCache()
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std::vector<std::unique_ptr<KIFONT::GLYPH>>*
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EDA_TEXT::GetRenderCache( const wxString& forResolvedText ) const
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{
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if( GetFont() && GetFont()->IsOutline() )
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if( GetDrawFont()->IsOutline() )
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{
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EDA_ANGLE resolvedAngle = GetDrawRotation();
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@ -456,7 +456,7 @@ EDA_TEXT::GetRenderCache( const wxString& forResolvedText ) const
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{
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m_render_cache.clear();
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KIFONT::OUTLINE_FONT* font = static_cast<KIFONT::OUTLINE_FONT*>( GetFont() );
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KIFONT::OUTLINE_FONT* font = static_cast<KIFONT::OUTLINE_FONT*>( GetDrawFont() );
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TEXT_ATTRIBUTES attrs = GetAttributes();
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attrs.m_Angle = resolvedAngle;
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@ -95,20 +95,181 @@ bool DRC_TEST_PROVIDER_TEXT_DIMS::Run()
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return true;
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};
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auto checkTextHeight =
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[&]( BOARD_ITEM* item, EDA_TEXT* text ) -> bool
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{
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if( m_drcEngine->IsErrorLimitExceeded( DRCE_TEXT_HEIGHT ) )
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return false;
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DRC_CONSTRAINT constraint = m_drcEngine->EvalRules( TEXT_HEIGHT_CONSTRAINT, item,
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nullptr, item->GetLayer() );
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if( constraint.GetSeverity() == RPT_SEVERITY_IGNORE )
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return true;
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int actualHeight = text->GetTextSize().y;
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if( constraint.Value().HasMin() && actualHeight < constraint.Value().Min() )
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{
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std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_TEXT_HEIGHT );
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m_msg.Printf( _( "(%s min height %s; actual %s)" ),
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constraint.GetName(),
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MessageTextFromValue( userUnits(), constraint.Value().Min() ),
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MessageTextFromValue( userUnits(), actualHeight ) );
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drcItem->SetErrorMessage( drcItem->GetErrorText() + wxS( " " ) + m_msg );
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drcItem->SetItems( item );
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drcItem->SetViolatingRule( constraint.GetParentRule() );
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reportViolation( drcItem, item->GetPosition(), item->GetLayer() );
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}
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if( constraint.Value().HasMax() && actualHeight > constraint.Value().Max() )
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{
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std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_TEXT_HEIGHT );
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m_msg.Printf( _( "(%s max height %s; actual %s)" ),
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constraint.GetName(),
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MessageTextFromValue( userUnits(), constraint.Value().Max() ),
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MessageTextFromValue( userUnits(), actualHeight ) );
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drcItem->SetErrorMessage( drcItem->GetErrorText() + wxS( " " ) + m_msg );
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drcItem->SetItems( item );
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drcItem->SetViolatingRule( constraint.GetParentRule() );
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reportViolation( drcItem, item->GetPosition(), item->GetLayer() );
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}
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return true;
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};
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auto checkTextThickness =
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[&]( BOARD_ITEM* item, EDA_TEXT* text ) -> bool
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{
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DRC_CONSTRAINT constraint = m_drcEngine->EvalRules( TEXT_THICKNESS_CONSTRAINT, item,
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nullptr, item->GetLayer() );
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if( constraint.GetSeverity() == RPT_SEVERITY_IGNORE )
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return true;
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KIFONT::FONT* font = text->GetDrawFont();
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if( font->IsOutline() )
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{
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if( !constraint.Value().HasMin() )
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return true;
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auto* glyphs = text->GetRenderCache( text->GetShownText() );
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bool collapsedStroke = false;
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bool collapsedArea = false;
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for( const std::unique_ptr<KIFONT::GLYPH>& glyph : *glyphs )
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{
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auto outlineGlyph = static_cast<KIFONT::OUTLINE_GLYPH*>( glyph.get() );
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int outlineCount = outlineGlyph->OutlineCount();
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int holeCount = 0;
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if( outlineCount == 0 )
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continue; // ignore spaces
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for( int ii = 0; ii < outlineCount; ++ii )
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holeCount += outlineGlyph->HoleCount( ii );
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SHAPE_POLY_SET poly = *outlineGlyph;
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poly.Deflate( constraint.Value().Min() / 2, 16 );
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poly.Simplify( SHAPE_POLY_SET::PM_FAST );
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int resultingOutlineCount = poly.OutlineCount();
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int resultingHoleCount = 0;
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for( int ii = 0; ii < resultingOutlineCount; ++ii )
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resultingHoleCount += poly.HoleCount( ii );
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if( ( resultingOutlineCount != outlineCount )
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|| ( resultingHoleCount != holeCount ) )
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{
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collapsedStroke = true;
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break;
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}
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double glyphArea = outlineGlyph->Area();
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if( glyphArea == 0 )
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continue;
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poly.Inflate( constraint.Value().Min() / 2, 16 );
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poly.Simplify( SHAPE_POLY_SET::PM_FAST );
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double resultingGlyphArea = poly.Area();
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if( ( std::abs( resultingGlyphArea - glyphArea ) / glyphArea ) > 0.1 )
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{
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collapsedArea = true;
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break;
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}
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}
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if( collapsedStroke || collapsedArea )
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{
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auto drcItem = DRC_ITEM::Create( DRCE_TEXT_THICKNESS );
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m_msg = _( "(TrueType font characters with insufficient stroke weight)" );
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drcItem->SetErrorMessage( drcItem->GetErrorText() + wxS( " " ) + m_msg );
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drcItem->SetItems( item );
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drcItem->SetViolatingRule( constraint.GetParentRule() );
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reportViolation( drcItem, item->GetPosition(), item->GetLayer() );
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}
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}
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else
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{
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int actualThickness = text->GetTextThickness();
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if( constraint.Value().HasMin() && actualThickness < constraint.Value().Min() )
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{
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std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_TEXT_THICKNESS );
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m_msg.Printf( _( "(%s min thickness %s; actual %s)" ),
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constraint.GetName(),
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MessageTextFromValue( userUnits(), constraint.Value().Min() ),
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MessageTextFromValue( userUnits(), actualThickness ) );
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drcItem->SetErrorMessage( drcItem->GetErrorText() + wxS( " " ) + m_msg );
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drcItem->SetItems( item );
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drcItem->SetViolatingRule( constraint.GetParentRule() );
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reportViolation( drcItem, item->GetPosition(), item->GetLayer() );
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}
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if( constraint.Value().HasMax() && actualThickness > constraint.Value().Max() )
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{
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std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_TEXT_THICKNESS );
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m_msg.Printf( _( "(%s max thickness %s; actual %s)" ),
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constraint.GetName(),
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MessageTextFromValue( userUnits(), constraint.Value().Max() ),
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MessageTextFromValue( userUnits(), actualThickness ) );
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drcItem->SetErrorMessage( drcItem->GetErrorText() + wxS( " " ) + m_msg );
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drcItem->SetItems( item );
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drcItem->SetViolatingRule( constraint.GetParentRule() );
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reportViolation( drcItem, item->GetPosition(), item->GetLayer() );
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}
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}
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return true;
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};
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auto checkTextDims =
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[&]( BOARD_ITEM* item ) -> bool
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{
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if( m_drcEngine->IsErrorLimitExceeded( DRCE_TEXT_HEIGHT )
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&& m_drcEngine->IsErrorLimitExceeded( DRCE_TEXT_THICKNESS ) )
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{
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return false;
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}
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if( !reportProgress( ii++, count, delta ) )
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return false;
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DRC_CONSTRAINT constraint;
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EDA_TEXT* text = nullptr;
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int strikes = 0;
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switch( item->Type() )
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{
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@ -122,125 +283,18 @@ bool DRC_TEST_PROVIDER_TEXT_DIMS::Run()
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if( !text || !text->IsVisible() )
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return true;
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VECTOR2I size = text->GetTextSize();
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KIFONT::FONT* font = text->GetDrawFont();
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int actualH = size.y;
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int actualT = text->GetTextThickness();
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if( !m_drcEngine->IsErrorLimitExceeded( DRCE_TEXT_HEIGHT ) )
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{
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constraint = m_drcEngine->EvalRules( TEXT_HEIGHT_CONSTRAINT, item, nullptr,
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item->GetLayer() );
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bool fail_min = false;
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bool fail_max = false;
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int constraintHeight;
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if( constraint.GetSeverity() != RPT_SEVERITY_IGNORE )
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{
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if( constraint.Value().HasMin() && actualH < constraint.Value().Min() )
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{
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fail_min = true;
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constraintHeight = constraint.Value().Min();
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}
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if( constraint.Value().HasMax() && actualH > constraint.Value().Max() )
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{
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fail_max = true;
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constraintHeight = constraint.Value().Max();
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}
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}
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if( fail_min || fail_max )
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{
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std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_TEXT_HEIGHT );
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if( fail_min )
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{
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m_msg.Printf( _( "(%s min height %s; actual %s)" ),
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constraint.GetName(),
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MessageTextFromValue( userUnits(), constraintHeight ),
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MessageTextFromValue( userUnits(), actualH ) );
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}
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if( m_drcEngine->IsErrorLimitExceeded( DRCE_TEXT_THICKNESS ) )
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strikes++;
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else
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{
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m_msg.Printf( _( "(%s max height %s; actual %s)" ),
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constraint.GetName(),
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MessageTextFromValue( userUnits(), constraintHeight ),
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MessageTextFromValue( userUnits(), actualH ) );
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}
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checkTextThickness( item, text );
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drcItem->SetErrorMessage( drcItem->GetErrorText() + wxS( " " ) + m_msg );
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drcItem->SetItems( item );
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drcItem->SetViolatingRule( constraint.GetParentRule() );
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reportViolation( drcItem, item->GetPosition(), item->GetLayer() );
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}
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}
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if( !m_drcEngine->IsErrorLimitExceeded( DRCE_TEXT_THICKNESS ) )
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{
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if( font->IsOutline() )
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{
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std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_TEXT_THICKNESS );
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m_msg = _( "(TrueType font characters can have variable thickness)" );
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drcItem->SetErrorMessage( drcItem->GetErrorText() + wxS( " " ) + m_msg );
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drcItem->SetItems( item );
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drcItem->SetViolatingRule( constraint.GetParentRule() );
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reportViolation( drcItem, item->GetPosition(), item->GetLayer() );
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return true;
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}
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constraint = m_drcEngine->EvalRules( TEXT_THICKNESS_CONSTRAINT, item, nullptr,
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item->GetLayer() );
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bool fail_min = false;
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bool fail_max = false;
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int constraintThickness;
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if( constraint.GetSeverity() != RPT_SEVERITY_IGNORE )
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{
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if( constraint.Value().HasMin() && actualT < constraint.Value().Min() )
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{
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fail_min = true;
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constraintThickness = constraint.Value().Min();
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}
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if( constraint.Value().HasMax() && actualT > constraint.Value().Max() )
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{
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fail_max = true;
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constraintThickness = constraint.Value().Max();
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}
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}
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if( fail_min || fail_max )
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{
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std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_TEXT_THICKNESS );
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if( fail_min )
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{
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m_msg.Printf( _( "(%s min thickness %s; actual %s)" ),
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constraint.GetName(),
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MessageTextFromValue( userUnits(), constraintThickness ),
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MessageTextFromValue( userUnits(), actualT ) );
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}
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if( m_drcEngine->IsErrorLimitExceeded( DRCE_TEXT_HEIGHT ) )
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strikes++;
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else
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{
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m_msg.Printf( _( "(%s max thickness %s; actual %s)" ),
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constraint.GetName(),
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MessageTextFromValue( userUnits(), constraintThickness ),
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MessageTextFromValue( userUnits(), actualT ) );
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}
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checkTextHeight( item, text );
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drcItem->SetErrorMessage( drcItem->GetErrorText() + wxS( " " ) + m_msg );
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drcItem->SetItems( item );
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drcItem->SetViolatingRule( constraint.GetParentRule() );
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reportViolation( drcItem, item->GetPosition(), item->GetLayer() );
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}
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}
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if( strikes >= 2 )
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return false;
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return true;
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};
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