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kicad/pcbnew/pcb_text.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2012 Jean-Pierre Charras, jean-pierre.charras@ujf-grenoble.fr
* Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 1992-2023 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 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
*/
#include <google/protobuf/any.pb.h>
#include <pcb_edit_frame.h>
#include <base_units.h>
#include <bitmaps.h>
#include <board.h>
#include <board_design_settings.h>
#include <core/mirror.h>
#include <footprint.h>
#include <pcb_text.h>
#include <pcb_painter.h>
#include <trigo.h>
#include <string_utils.h>
#include <geometry/shape_compound.h>
#include <callback_gal.h>
#include <convert_basic_shapes_to_polygon.h>
#include <api/api_enums.h>
#include <api/api_utils.h>
#include <api/board/board_types.pb.h>
using namespace kiapi::common;
PCB_TEXT::PCB_TEXT( BOARD_ITEM* parent, KICAD_T idtype ) :
BOARD_ITEM( parent, idtype ),
EDA_TEXT( pcbIUScale )
{
SetMultilineAllowed( true );
}
PCB_TEXT::PCB_TEXT( FOOTPRINT* aParent, KICAD_T idtype) :
BOARD_ITEM( aParent, idtype ),
EDA_TEXT( pcbIUScale )
{
SetKeepUpright( true );
// Set text thickness to a default value
SetTextThickness( pcbIUScale.mmToIU( DEFAULT_TEXT_WIDTH ) );
SetLayer( F_SilkS );
if( aParent )
{
SetTextPos( aParent->GetPosition() );
// N.B. Do not automatically set text effects
// These are optional in the file format and so need to be defaulted
// to off.
if( IsBackLayer( aParent->GetLayer() ) )
SetLayer( B_SilkS );
}
}
PCB_TEXT::~PCB_TEXT()
{
}
void PCB_TEXT::Serialize( google::protobuf::Any &aContainer ) const
{
kiapi::board::types::Text boardText;
boardText.set_layer( ToProtoEnum<PCB_LAYER_ID, kiapi::board::types::BoardLayer>( GetLayer() ) );
kiapi::common::types::Text& text = *boardText.mutable_text();
text.mutable_id()->set_value( m_Uuid.AsStdString() );
text.mutable_position()->set_x_nm( GetPosition().x );
text.mutable_position()->set_y_nm( GetPosition().y );
text.set_text( GetText().ToStdString() );
text.set_hyperlink( GetHyperlink().ToStdString() );
text.set_locked( IsLocked() ? types::LockedState::LS_LOCKED
: types::LockedState::LS_UNLOCKED );
kiapi::common::types::TextAttributes* attrs = text.mutable_attributes();
if( GetFont() )
attrs->set_font_name( GetFont()->GetName().ToStdString() );
attrs->set_horizontal_alignment(
ToProtoEnum<GR_TEXT_H_ALIGN_T, types::HorizontalAlignment>( GetHorizJustify() ) );
attrs->set_vertical_alignment(
ToProtoEnum<GR_TEXT_V_ALIGN_T, types::VerticalAlignment>( GetVertJustify() ) );
attrs->mutable_angle()->set_value_degrees( GetTextAngleDegrees() );
attrs->set_line_spacing( GetLineSpacing() );
attrs->mutable_stroke_width()->set_value_nm( GetTextThickness() );
attrs->set_italic( IsItalic() );
attrs->set_bold( IsBold() );
attrs->set_underlined( GetAttributes().m_Underlined );
attrs->set_visible( IsVisible() );
attrs->set_mirrored( IsMirrored() );
attrs->set_multiline( IsMultilineAllowed() );
attrs->set_keep_upright( IsKeepUpright() );
attrs->mutable_size()->set_x_nm( GetTextSize().x );
attrs->mutable_size()->set_y_nm( GetTextSize().y );
text.set_knockout( IsKnockout() );
aContainer.PackFrom( boardText );
}
bool PCB_TEXT::Deserialize( const google::protobuf::Any &aContainer )
{
kiapi::board::types::Text textWrapper;
if( !aContainer.UnpackTo( &textWrapper ) )
return false;
SetLayer( FromProtoEnum<PCB_LAYER_ID, kiapi::board::types::BoardLayer>( textWrapper.layer() ) );
const kiapi::common::types::Text& text = textWrapper.text();
const_cast<KIID&>( m_Uuid ) = KIID( text.id().value() );
SetPosition( VECTOR2I( text.position().x_nm(), text.position().y_nm() ) );
SetLocked( text.locked() == kiapi::common::types::LockedState::LS_LOCKED );
SetText( wxString( text.text().c_str(), wxConvUTF8 ) );
SetHyperlink( wxString( text.hyperlink().c_str(), wxConvUTF8 ) );
SetIsKnockout( text.knockout() );
if( text.has_attributes() )
{
TEXT_ATTRIBUTES attrs = GetAttributes();
attrs.m_Bold = text.attributes().bold();
attrs.m_Italic = text.attributes().italic();
attrs.m_Underlined = text.attributes().underlined();
attrs.m_Visible = text.attributes().visible();
attrs.m_Mirrored = text.attributes().mirrored();
attrs.m_Multiline = text.attributes().multiline();
attrs.m_KeepUpright = text.attributes().keep_upright();
attrs.m_Size = VECTOR2I( text.attributes().size().x_nm(), text.attributes().size().y_nm() );
if( !text.attributes().font_name().empty() )
{
attrs.m_Font = KIFONT::FONT::GetFont(
wxString( text.attributes().font_name().c_str(), wxConvUTF8 ), attrs.m_Bold,
attrs.m_Italic );
}
attrs.m_Angle = EDA_ANGLE( text.attributes().angle().value_degrees(), DEGREES_T );
attrs.m_LineSpacing = text.attributes().line_spacing();
SetTextThickness( text.attributes().stroke_width().value_nm() );
attrs.m_Halign = FromProtoEnum<GR_TEXT_H_ALIGN_T, types::HorizontalAlignment>(
text.attributes().horizontal_alignment() );
attrs.m_Valign = FromProtoEnum<GR_TEXT_V_ALIGN_T, types::VerticalAlignment>(
text.attributes().vertical_alignment() );
SetAttributes( attrs );
}
return true;
}
wxString PCB_TEXT::GetShownText( bool aAllowExtraText, int aDepth ) const
{
const FOOTPRINT* parentFootprint = GetParentFootprint();
const BOARD* board = GetBoard();
std::function<bool( wxString* )> resolver =
[&]( wxString* token ) -> bool
{
if( parentFootprint && parentFootprint->ResolveTextVar( token, aDepth + 1 ) )
return true;
if( token->IsSameAs( wxT( "LAYER" ) ) )
{
*token = GetLayerName();
return true;
}
if( board->ResolveTextVar( token, aDepth + 1 ) )
return true;
return false;
};
wxString text = EDA_TEXT::GetShownText( aAllowExtraText, aDepth );
if( HasTextVars() )
{
if( aDepth < 10 )
text = ExpandTextVars( text, &resolver );
}
return text;
}
bool PCB_TEXT::Matches( const EDA_SEARCH_DATA& aSearchData, void* aAuxData ) const
{
return BOARD_ITEM::Matches( UnescapeString( GetText() ), aSearchData );
}
EDA_ANGLE PCB_TEXT::GetDrawRotation() const
{
EDA_ANGLE rotation = GetTextAngle();
if( GetParentFootprint() && IsKeepUpright() )
{
// Keep angle between ]-90..90] deg. Otherwise the text is not easy to read
while( rotation > ANGLE_90 )
rotation -= ANGLE_180;
while( rotation <= -ANGLE_90 )
rotation += ANGLE_180;
}
else
{
rotation.Normalize();
}
return rotation;
}
const BOX2I PCB_TEXT::ViewBBox() const
{
return GetBoundingBox();
}
void PCB_TEXT::ViewGetLayers( int aLayers[], int& aCount ) const
{
if( GetParentFootprint() == nullptr || IsVisible() )
aLayers[0] = GetLayer();
else
aLayers[0] = LAYER_HIDDEN_TEXT;
aCount = 1;
if( IsLocked() )
aLayers[ aCount++ ] = LAYER_LOCKED_ITEM_SHADOW;
}
double PCB_TEXT::ViewGetLOD( int aLayer, KIGFX::VIEW* aView ) const
{
constexpr double HIDE = std::numeric_limits<double>::max();
if( !aView )
return 0.0;
KIGFX::PCB_PAINTER* painter = static_cast<KIGFX::PCB_PAINTER*>( aView->GetPainter() );
KIGFX::PCB_RENDER_SETTINGS* renderSettings = painter->GetSettings();
// Hidden text gets put on the LAYER_HIDDEN_TEXT for rendering, but
// should only render if its native layer is visible.
if( !aView->IsLayerVisible( GetLayer() ) )
return HIDE;
if( aLayer == LAYER_LOCKED_ITEM_SHADOW )
{
// Hide shadow on dimmed tracks
if( renderSettings->GetHighContrast() )
{
if( m_layer != renderSettings->GetPrimaryHighContrastLayer() )
return HIDE;
}
}
if( FOOTPRINT* parentFP = GetParentFootprint() )
{
// Handle Render tab switches
if( GetText() == wxT( "${VALUE}" ) )
{
if( !aView->IsLayerVisible( LAYER_FP_VALUES ) )
return HIDE;
}
if( GetText() == wxT( "${REFERENCE}" ) )
{
if( !aView->IsLayerVisible( LAYER_FP_REFERENCES ) )
return HIDE;
}
if( parentFP->GetLayer() == F_Cu && !aView->IsLayerVisible( LAYER_FOOTPRINTS_FR ) )
return HIDE;
if( parentFP->GetLayer() == B_Cu && !aView->IsLayerVisible( LAYER_FOOTPRINTS_BK ) )
return HIDE;
if( !aView->IsLayerVisible( LAYER_FP_TEXT ) )
return HIDE;
}
return 0.0;
}
void PCB_TEXT::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList )
{
FOOTPRINT* parentFP = GetParentFootprint();
if( parentFP && aFrame->GetName() == PCB_EDIT_FRAME_NAME )
aList.emplace_back( _( "Footprint" ), parentFP->GetReference() );
// Don't use GetShownText() here; we want to show the user the variable references
if( parentFP )
aList.emplace_back( _( "Text" ), KIUI::EllipsizeStatusText( aFrame, GetText() ) );
else
aList.emplace_back( _( "PCB Text" ), KIUI::EllipsizeStatusText( aFrame, GetText() ) );
if( parentFP )
aList.emplace_back( _( "Type" ), GetTextTypeDescription() );
if( aFrame->GetName() == PCB_EDIT_FRAME_NAME && IsLocked() )
aList.emplace_back( _( "Status" ), _( "Locked" ) );
if( parentFP )
aList.emplace_back( _( "Display" ), IsVisible() ? _( "Yes" ) : _( "No" ) );
aList.emplace_back( _( "Layer" ), GetLayerName() );
aList.emplace_back( _( "Mirror" ), IsMirrored() ? _( "Yes" ) : _( "No" ) );
aList.emplace_back( _( "Angle" ), wxString::Format( wxT( "%g" ), GetTextAngle().AsDegrees() ) );
aList.emplace_back( _( "Font" ), GetFont() ? GetFont()->GetName() : _( "Default" ) );
aList.emplace_back( _( "Thickness" ), aFrame->MessageTextFromValue( GetTextThickness() ) );
aList.emplace_back( _( "Width" ), aFrame->MessageTextFromValue( GetTextWidth() ) );
aList.emplace_back( _( "Height" ), aFrame->MessageTextFromValue( GetTextHeight() ) );
}
int PCB_TEXT::getKnockoutMargin() const
{
return GetKnockoutTextMargin( VECTOR2I( GetTextWidth(), GetTextHeight() ), GetTextThickness() );
}
void PCB_TEXT::StyleFromSettings( const BOARD_DESIGN_SETTINGS& settings )
{
SetTextSize( settings.GetTextSize( GetLayer() ) );
SetTextThickness( settings.GetTextThickness( GetLayer() ) );
SetItalic( settings.GetTextItalic( GetLayer() ) );
SetKeepUpright( settings.GetTextUpright( GetLayer() ) );
SetMirrored( IsBackLayer( GetLayer() ) );
}
void PCB_TEXT::KeepUpright()
{
if( !IsKeepUpright() )
return;
EDA_ANGLE newAngle = GetTextAngle();
newAngle.Normalize();
bool needsFlipped = newAngle >= ANGLE_180;
if( needsFlipped )
{
SetHorizJustify( static_cast<GR_TEXT_H_ALIGN_T>( -GetHorizJustify() ) );
SetVertJustify( static_cast<GR_TEXT_V_ALIGN_T>( -GetVertJustify() ) );
SetTextAngle( GetTextAngle() + ANGLE_180 );
}
}
const BOX2I PCB_TEXT::GetBoundingBox() const
{
EDA_ANGLE angle = GetDrawRotation();
BOX2I rect = GetTextBox();
if( IsKnockout() )
rect.Inflate( getKnockoutMargin() );
if( !angle.IsZero() )
rect = rect.GetBoundingBoxRotated( GetTextPos(), angle );
return rect;
}
bool PCB_TEXT::TextHitTest( const VECTOR2I& aPoint, int aAccuracy ) const
{
int accuracy = aAccuracy;
if( IsKnockout() )
accuracy += GetKnockoutTextMargin( GetTextSize(), GetTextThickness() );
return EDA_TEXT::TextHitTest( aPoint, accuracy );
}
bool PCB_TEXT::TextHitTest( const BOX2I& aRect, bool aContains, int aAccuracy ) const
{
BOX2I rect = aRect;
rect.Inflate( aAccuracy );
if( aContains )
return rect.Contains( GetBoundingBox() );
return rect.Intersects( GetBoundingBox() );
}
void PCB_TEXT::Rotate( const VECTOR2I& aRotCentre, const EDA_ANGLE& aAngle )
{
VECTOR2I pt = GetTextPos();
RotatePoint( pt, aRotCentre, aAngle );
SetTextPos( pt );
EDA_ANGLE new_angle = GetTextAngle() + aAngle;
new_angle.Normalize180();
SetTextAngle( new_angle );
}
void PCB_TEXT::Mirror( const VECTOR2I& aCentre, bool aMirrorAroundXAxis )
{
// the position and justification are mirrored, but not the text itself
if( aMirrorAroundXAxis )
{
if( GetTextAngle() == ANGLE_VERTICAL )
SetHorizJustify( (GR_TEXT_H_ALIGN_T) -GetHorizJustify() );
SetTextY( MIRRORVAL( GetTextPos().y, aCentre.y ) );
}
else
{
if( GetTextAngle() == ANGLE_HORIZONTAL )
SetHorizJustify( (GR_TEXT_H_ALIGN_T) -GetHorizJustify() );
SetTextX( MIRRORVAL( GetTextPos().x, aCentre.x ) );
}
}
void PCB_TEXT::Flip( const VECTOR2I& aCentre, bool aFlipLeftRight )
{
if( aFlipLeftRight )
{
SetTextX( MIRRORVAL( GetTextPos().x, aCentre.x ) );
SetTextAngle( -GetTextAngle() );
}
else
{
SetTextY( MIRRORVAL( GetTextPos().y, aCentre.y ) );
SetTextAngle( ANGLE_180 - GetTextAngle() );
}
SetLayer( FlipLayer( GetLayer(), GetBoard()->GetCopperLayerCount() ) );
if( ( GetLayerSet() & LSET::SideSpecificMask() ).any() )
SetMirrored( !IsMirrored() );
}
wxString PCB_TEXT::GetTextTypeDescription() const
{
return _( "Text" );
}
wxString PCB_TEXT::GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const
{
if( FOOTPRINT* parentFP = GetParentFootprint() )
{
return wxString::Format( _( "Footprint Text '%s' of %s" ),
KIUI::EllipsizeMenuText( GetText() ), parentFP->GetReference() );
}
return wxString::Format( _( "PCB Text '%s' on %s" ),
KIUI::EllipsizeMenuText( GetText() ),
GetLayerName() );
}
BITMAPS PCB_TEXT::GetMenuImage() const
{
return BITMAPS::text;
}
EDA_ITEM* PCB_TEXT::Clone() const
{
return new PCB_TEXT( *this );
}
void PCB_TEXT::swapData( BOARD_ITEM* aImage )
{
assert( aImage->Type() == PCB_TEXT_T );
std::swap( *((PCB_TEXT*) this), *((PCB_TEXT*) aImage) );
}
std::shared_ptr<SHAPE> PCB_TEXT::GetEffectiveShape( PCB_LAYER_ID aLayer, FLASHING aFlash ) const
{
if( IsKnockout() )
{
SHAPE_POLY_SET poly;
TransformTextToPolySet( poly, 0, GetBoard()->GetDesignSettings().m_MaxError, ERROR_INSIDE );
return std::make_shared<SHAPE_POLY_SET>( poly );
}
return GetEffectiveTextShape();
}
void PCB_TEXT::buildBoundingHull( SHAPE_POLY_SET* aBuffer, const SHAPE_POLY_SET& aRenderedText,
int aClearance ) const
{
SHAPE_POLY_SET poly( aRenderedText );
poly.Rotate( -GetDrawRotation(), GetDrawPos() );
BOX2I rect = poly.BBox( aClearance );
VECTOR2I corners[4];
corners[0].x = rect.GetOrigin().x;
corners[0].y = rect.GetOrigin().y;
corners[1].y = corners[0].y;
corners[1].x = rect.GetRight();
corners[2].x = corners[1].x;
corners[2].y = rect.GetBottom();
corners[3].y = corners[2].y;
corners[3].x = corners[0].x;
aBuffer->NewOutline();
for( VECTOR2I& corner : corners )
{
RotatePoint( corner, GetDrawPos(), GetDrawRotation() );
aBuffer->Append( corner.x, corner.y );
}
}
void PCB_TEXT::TransformTextToPolySet( SHAPE_POLY_SET& aBuffer, int aClearance, int aMaxError,
ERROR_LOC aErrorLoc ) const
{
KIGFX::GAL_DISPLAY_OPTIONS empty_opts;
KIFONT::FONT* font = getDrawFont();
int penWidth = GetEffectiveTextPenWidth();
TEXT_ATTRIBUTES attrs = GetAttributes();
attrs.m_Angle = GetDrawRotation();
// The polygonal shape of a text can have many basic shapes, so combining these shapes can
// be very useful to create a final shape with a lot less vertices to speedup calculations.
// Simplify shapes is not usually always efficient, but in this case it is.
SHAPE_POLY_SET textShape;
CALLBACK_GAL callback_gal( empty_opts,
// Stroke callback
[&]( const VECTOR2I& aPt1, const VECTOR2I& aPt2 )
{
TransformOvalToPolygon( textShape, aPt1, aPt2, penWidth, aMaxError, aErrorLoc );
},
// Triangulation callback
[&]( const VECTOR2I& aPt1, const VECTOR2I& aPt2, const VECTOR2I& aPt3 )
{
textShape.NewOutline();
for( const VECTOR2I& point : { aPt1, aPt2, aPt3 } )
textShape.Append( point.x, point.y );
} );
font->Draw( &callback_gal, GetShownText( true ), GetTextPos(), attrs, GetFontMetrics() );
textShape.Simplify( SHAPE_POLY_SET::PM_FAST );
if( IsKnockout() )
{
SHAPE_POLY_SET finalPoly;
int margin = GetKnockoutTextMargin( attrs.m_Size, penWidth );
buildBoundingHull( &finalPoly, textShape, margin + aClearance );
finalPoly.BooleanSubtract( textShape, SHAPE_POLY_SET::PM_FAST );
aBuffer.Append( finalPoly );
}
else
{
if( aClearance > 0 || aErrorLoc == ERROR_OUTSIDE )
{
if( aErrorLoc == ERROR_OUTSIDE )
aClearance += aMaxError;
textShape.Inflate( aClearance, CORNER_STRATEGY::ROUND_ALL_CORNERS, aMaxError );
}
aBuffer.Append( textShape );
}
}
void PCB_TEXT::TransformShapeToPolygon( SHAPE_POLY_SET& aBuffer, PCB_LAYER_ID aLayer,
int aClearance, int aMaxError, ERROR_LOC aErrorLoc,
bool aIgnoreLineWidth ) const
{
SHAPE_POLY_SET poly;
TransformTextToPolySet( poly, 0, aMaxError, aErrorLoc );
buildBoundingHull( &aBuffer, poly, aClearance );
}
bool PCB_TEXT::operator==( const BOARD_ITEM& aOther ) const
{
if( aOther.Type() != Type() )
return false;
const PCB_TEXT& other = static_cast<const PCB_TEXT&>( aOther );
return EDA_TEXT::operator==( other );
}
double PCB_TEXT::Similarity( const BOARD_ITEM& aOther ) const
{
if( aOther.Type() != Type() )
return 0.0;
const PCB_TEXT& other = static_cast<const PCB_TEXT&>( aOther );
return EDA_TEXT::Similarity( other );
}
static struct PCB_TEXT_DESC
{
PCB_TEXT_DESC()
{
PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
REGISTER_TYPE( PCB_TEXT );
propMgr.AddTypeCast( new TYPE_CAST<PCB_TEXT, BOARD_ITEM> );
propMgr.AddTypeCast( new TYPE_CAST<PCB_TEXT, EDA_TEXT> );
propMgr.InheritsAfter( TYPE_HASH( PCB_TEXT ), TYPE_HASH( BOARD_ITEM ) );
propMgr.InheritsAfter( TYPE_HASH( PCB_TEXT ), TYPE_HASH( EDA_TEXT ) );
propMgr.Mask( TYPE_HASH( PCB_TEXT ), TYPE_HASH( EDA_TEXT ), _HKI( "Color" ) );
propMgr.AddProperty( new PROPERTY<PCB_TEXT, bool, BOARD_ITEM>( _HKI( "Knockout" ),
&BOARD_ITEM::SetIsKnockout, &BOARD_ITEM::IsKnockout ),
_HKI( "Text Properties" ) );
propMgr.AddProperty( new PROPERTY<PCB_TEXT, bool, EDA_TEXT>( _HKI( "Keep Upright" ),
&PCB_TEXT::SetKeepUpright, &PCB_TEXT::IsKeepUpright ),
_HKI( "Text Properties" ) );
auto isFootprintText =
[]( INSPECTABLE* aItem ) -> bool
{
if( PCB_TEXT* text = dynamic_cast<PCB_TEXT*>( aItem ) )
return text->GetParentFootprint();
return false;
};
propMgr.OverrideAvailability( TYPE_HASH( PCB_TEXT ), TYPE_HASH( EDA_TEXT ),
_HKI( "Visible" ), isFootprintText );
propMgr.OverrideAvailability( TYPE_HASH( PCB_TEXT ), TYPE_HASH( EDA_TEXT ),
_HKI( "Keep Upright" ), isFootprintText );
propMgr.OverrideAvailability( TYPE_HASH( PCB_TEXT ), TYPE_HASH( EDA_TEXT ),
_HKI( "Hyperlink" ),
[]( INSPECTABLE* aItem ) { return false; } );
}
} _PCB_TEXT_DESC;
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