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kicad/pcbnew/fp_textbox.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2022-2023 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 <pcb_edit_frame.h>
#include <board.h>
#include <board_design_settings.h>
#include <core/mirror.h>
#include <footprint.h>
#include <fp_textbox.h>
#include <settings/settings_manager.h>
#include <string_utils.h>
#include <painter.h>
#include <geometry/shape_compound.h>
#include <callback_gal.h>
#include <convert_basic_shapes_to_polygon.h>
FP_TEXTBOX::FP_TEXTBOX( FOOTPRINT* aParentFootprint ) :
FP_SHAPE( aParentFootprint, SHAPE_T::RECT, PCB_FP_TEXTBOX_T ),
EDA_TEXT( pcbIUScale )
{
SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
SetVertJustify( GR_TEXT_V_ALIGN_TOP );
SetMultilineAllowed( true );
SetDrawCoord();
}
FP_TEXTBOX::~FP_TEXTBOX()
{
}
int FP_TEXTBOX::GetTextMargin() const
{
return KiROUND( GetStroke().GetWidth() / 2.0 ) + KiROUND( GetTextSize().y * 0.75 );
}
VECTOR2I FP_TEXTBOX::GetTopLeft() const
{
EDA_ANGLE rotation = GetDrawRotation();
if( rotation == ANGLE_90 )
return VECTOR2I( GetStartX(), GetEndY() );
else if( rotation == ANGLE_180 )
return GetEnd();
else if( rotation == ANGLE_270 )
return VECTOR2I( GetEndX(), GetStartY() );
else
return GetStart();
}
VECTOR2I FP_TEXTBOX::GetBotRight() const
{
EDA_ANGLE rotation = GetDrawRotation();
if( rotation == ANGLE_90 )
return VECTOR2I( GetEndX(), GetStartY() );
else if( rotation == ANGLE_180 )
return GetStart();
else if( rotation == ANGLE_270 )
return VECTOR2I( GetStartX(), GetEndY() );
else
return GetEnd();
}
void FP_TEXTBOX::SetTop( int aVal )
{
EDA_ANGLE rotation = GetDrawRotation();
if( rotation == ANGLE_90 || rotation == ANGLE_180 )
SetEndY( aVal );
else
SetStartY( aVal );
}
void FP_TEXTBOX::SetBottom( int aVal )
{
EDA_ANGLE rotation = GetDrawRotation();
if( rotation == ANGLE_90 || rotation == ANGLE_180 )
SetStartY( aVal );
else
SetEndY( aVal );
}
void FP_TEXTBOX::SetLeft( int aVal )
{
EDA_ANGLE rotation = GetDrawRotation();
if( rotation == ANGLE_180 || rotation == ANGLE_270 )
SetEndX( aVal );
else
SetStartX( aVal );
}
void FP_TEXTBOX::SetRight( int aVal )
{
EDA_ANGLE rotation = GetDrawRotation();
if( rotation == ANGLE_180 || rotation == ANGLE_270 )
SetStartX( aVal );
else
SetEndX( aVal );
}
EDA_ANGLE FP_TEXTBOX::GetDrawRotation() const
{
FOOTPRINT* parentFootprint = static_cast<FOOTPRINT*>( m_parent );
EDA_ANGLE rotation = GetTextAngle();
if( parentFootprint )
rotation += parentFootprint->GetOrientation();
rotation.Normalize();
return rotation;
}
std::vector<VECTOR2I> FP_TEXTBOX::GetAnchorAndOppositeCorner() const
{
std::vector<VECTOR2I> pts;
std::vector<VECTOR2I> corners = GetCorners();
EDA_ANGLE textAngle( GetDrawRotation() );
textAngle.Normalize();
pts.emplace_back( corners[0] );
if( textAngle < ANGLE_90 )
{
if( corners[1].y <= corners[0].y )
pts.emplace_back( corners[1] );
else
pts.emplace_back( corners[3] );
}
else if( textAngle < ANGLE_180 )
{
if( corners[1].x <= corners[0].x )
pts.emplace_back( corners[1] );
else
pts.emplace_back( corners[3] );
}
else if( textAngle < ANGLE_270 )
{
if( corners[1].y >= corners[0].y )
pts.emplace_back( corners[1] );
else
pts.emplace_back( corners[3] );
}
else
{
if( corners[1].x >= corners[0].x )
pts.emplace_back( corners[1] );
else
pts.emplace_back( corners[3] );
}
return pts;
}
VECTOR2I FP_TEXTBOX::GetDrawPos() const
{
std::vector<VECTOR2I> corners = GetAnchorAndOppositeCorner();
GR_TEXT_H_ALIGN_T effectiveAlignment = GetHorizJustify();
VECTOR2I textAnchor;
VECTOR2I offset;
if( IsMirrored() )
{
switch( GetHorizJustify() )
{
case GR_TEXT_H_ALIGN_LEFT: effectiveAlignment = GR_TEXT_H_ALIGN_RIGHT; break;
case GR_TEXT_H_ALIGN_CENTER: effectiveAlignment = GR_TEXT_H_ALIGN_CENTER; break;
case GR_TEXT_H_ALIGN_RIGHT: effectiveAlignment = GR_TEXT_H_ALIGN_LEFT; break;
}
}
switch( effectiveAlignment )
{
case GR_TEXT_H_ALIGN_LEFT:
textAnchor = corners[0];
offset = VECTOR2I( GetTextMargin(), GetTextMargin() );
break;
case GR_TEXT_H_ALIGN_CENTER:
textAnchor = ( corners[0] + corners[1] ) / 2;
offset = VECTOR2I( 0, GetTextMargin() );
break;
case GR_TEXT_H_ALIGN_RIGHT:
textAnchor = corners[1];
offset = VECTOR2I( -GetTextMargin(), GetTextMargin() );
break;
}
RotatePoint( offset, GetDrawRotation() );
return textAnchor + offset;
}
bool FP_TEXTBOX::HitTest( const VECTOR2I& aPosition, int aAccuracy ) const
{
BOX2I rect = GetBoundingBox();
rect.Inflate( aAccuracy );
return rect.Contains( aPosition );
}
bool FP_TEXTBOX::HitTest( const BOX2I& aRect, bool aContained, int aAccuracy ) const
{
BOX2I rect = aRect;
rect.Inflate( aAccuracy );
if( aContained )
return rect.Contains( GetBoundingBox() );
return rect.Intersects( GetBoundingBox() );
}
void FP_TEXTBOX::Move( const VECTOR2I& aMoveVector )
{
FP_SHAPE::Move( aMoveVector );
EDA_TEXT::Offset( aMoveVector );
}
void FP_TEXTBOX::Rotate( const VECTOR2I& aRotCentre, const EDA_ANGLE& aAngle )
{
FP_SHAPE::Rotate( aRotCentre, aAngle );
SetTextAngle( GetTextAngle() + aAngle );
}
void FP_TEXTBOX::Flip( const VECTOR2I& aCentre, bool aFlipLeftRight )
{
// flipping the footprint is relative to the X axis
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() );
SetLocalCoord();
}
void FP_TEXTBOX::Mirror( const VECTOR2I& aCentre, bool aMirrorAroundXAxis )
{
// the position is mirrored, but not the text (or its justification)
FP_SHAPE::Mirror( aCentre, aMirrorAroundXAxis );
BOX2I rect( m_start0, m_end0 - m_start0 );
rect.Normalize();
m_start0 = VECTOR2I( rect.GetLeft(), rect.GetTop() );
m_end0 = VECTOR2I( rect.GetRight(), rect.GetBottom() );
SetDrawCoord();
}
void FP_TEXTBOX::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList )
{
// Don't use GetShownText() here; we want to show the user the variable references
aList.emplace_back( _( "Text Box" ), UnescapeString( GetText() ) );
if( aFrame->GetName() == PCB_EDIT_FRAME_NAME && IsLocked() )
aList.emplace_back( _( "Status" ), _( "Locked" ) );
aList.emplace_back( _( "Layer" ), GetLayerName() );
aList.emplace_back( _( "Mirror" ), IsMirrored() ? _( "Yes" ) : _( "No" ) );
aList.emplace_back( _( "Angle" ), wxString::Format( "%g", GetTextAngle().AsDegrees() ) );
aList.emplace_back( _( "Font" ), GetFont() ? GetFont()->GetName() : _( "Default" ) );
aList.emplace_back( _( "Thickness" ), aFrame->MessageTextFromValue( GetTextThickness() ) );
aList.emplace_back( _( "Text Width" ), aFrame->MessageTextFromValue( GetTextWidth() ) );
aList.emplace_back( _( "Text Height" ), aFrame->MessageTextFromValue( GetTextHeight() ) );
wxString msg = aFrame->MessageTextFromValue( std::abs( GetEnd().x - GetStart().x ) );
aList.emplace_back( _( "Box Width" ), msg );
msg = aFrame->MessageTextFromValue( std::abs( GetEnd().y - GetStart().y ) );
aList.emplace_back( _( "Box Height" ), msg );
m_stroke.GetMsgPanelInfo( aFrame, aList );
}
wxString FP_TEXTBOX::GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const
{
return wxString::Format( _( "Footprint Text Box of %s" ),
static_cast<FOOTPRINT*>( GetParent() )->GetReference() );
}
BITMAPS FP_TEXTBOX::GetMenuImage() const
{
return BITMAPS::add_textbox;
}
EDA_ITEM* FP_TEXTBOX::Clone() const
{
return new FP_TEXTBOX( *this );
}
void FP_TEXTBOX::ViewGetLayers( int aLayers[], int& aCount ) const
{
if( IsVisible() )
aLayers[0] = GetLayer();
else
aLayers[0] = LAYER_MOD_TEXT_INVISIBLE;
aCount = 1;
}
double FP_TEXTBOX::ViewGetLOD( int aLayer, KIGFX::VIEW* aView ) const
{
constexpr double HIDE = (double)std::numeric_limits<double>::max();
if( !aView )
return 0.0;
// Hidden text gets put on the LAYER_MOD_TEXT_INVISIBLE for rendering, but
// should only render if its native layer is visible.
if( !aView->IsLayerVisible( GetLayer() ) )
return HIDE;
RENDER_SETTINGS* renderSettings = aView->GetPainter()->GetSettings();
COLOR4D backgroundColor = renderSettings->GetLayerColor( LAYER_PCB_BACKGROUND );
// Handle Render tab switches
if( renderSettings->GetLayerColor( LAYER_MOD_TEXT ) == backgroundColor )
return HIDE;
if( !IsParentFlipped() && !aView->IsLayerVisible( LAYER_MOD_FR ) )
return HIDE;
if( IsParentFlipped() && !aView->IsLayerVisible( LAYER_MOD_BK ) )
return HIDE;
if( !aView->IsLayerVisible( LAYER_MOD_TEXT ) )
return HIDE;
// Other layers are shown without any conditions
return 0.0;
}
wxString FP_TEXTBOX::GetShownText( int aDepth, bool aAllowExtraText ) const
{
const FOOTPRINT* parentFootprint = static_cast<FOOTPRINT*>( GetParent() );
std::function<bool( wxString* )> footprintResolver =
[&]( wxString* token ) -> bool
{
return parentFootprint && parentFootprint->ResolveTextVar( token, aDepth );
};
wxString text = EDA_TEXT::GetShownText();
if( HasTextVars() )
{
if( aDepth < 10 )
text = ExpandTextVars( text, &footprintResolver );
}
KIFONT::FONT* font = getDrawFont();
std::vector<VECTOR2I> corners = GetAnchorAndOppositeCorner();
int colWidth = ( corners[1] - corners[0] ).EuclideanNorm();
colWidth -= GetTextMargin() * 2;
font->LinebreakText( text, colWidth, GetTextSize(), GetTextThickness(), IsBold(), IsItalic() );
return text;
}
std::shared_ptr<SHAPE> FP_TEXTBOX::GetEffectiveShape( PCB_LAYER_ID aLayer, FLASHING aFlash ) const
{
std::shared_ptr<SHAPE_COMPOUND> shape = GetEffectiveTextShape();
if( PCB_SHAPE::GetStroke().GetWidth() >= 0 )
shape->AddShape( PCB_SHAPE::GetEffectiveShape( aLayer, aFlash ) );
return shape;
}
void FP_TEXTBOX::TransformTextToPolySet( SHAPE_POLY_SET& aBuffer, PCB_LAYER_ID aLayer,
int aClearance, int aError, ERROR_LOC aErrorLoc ) const
{
KIGFX::GAL_DISPLAY_OPTIONS empty_opts;
KIFONT::FONT* font = getDrawFont();
int penWidth = GetEffectiveTextPenWidth();
// Note: this function is mainly used in 3D viewer.
// the polygonal shape of a text can have many basic shapes,
// so combining these shapes can be very useful to create a final shape
// swith a lot less vertices to speedup calculations using this final shape
// Simplify shapes is not usually always efficient, but in this case it is.
SHAPE_POLY_SET buffer;
CALLBACK_GAL callback_gal( empty_opts,
// Stroke callback
[&]( const VECTOR2I& aPt1, const VECTOR2I& aPt2 )
{
TransformOvalToPolygon( buffer, aPt1, aPt2, penWidth + ( 2 * aClearance ), aError,
ERROR_INSIDE );
},
// Triangulation callback
[&]( const VECTOR2I& aPt1, const VECTOR2I& aPt2, const VECTOR2I& aPt3 )
{
buffer.NewOutline();
for( const VECTOR2I& point : { aPt1, aPt2, aPt3 } )
buffer.Append( point.x, point.y );
} );
TEXT_ATTRIBUTES attrs = GetAttributes();
attrs.m_Angle = GetDrawRotation();
font->Draw( &callback_gal, GetShownText(), GetDrawPos(), attrs );
buffer.Simplify( SHAPE_POLY_SET::PM_FAST );
aBuffer.Append( buffer );
}
void FP_TEXTBOX::TransformShapeToPolygon( SHAPE_POLY_SET& aBuffer, PCB_LAYER_ID aLayer,
int aClearance, int aError, ERROR_LOC aErrorLoc,
bool aIgnoreLineWidth ) const
{
// Don't use FP_SHAPE::TransformShapeToPolygon. We want to treat the textbox as filled even
// if there's no background colour.
std::vector<VECTOR2I> pts = GetRectCorners();
aBuffer.NewOutline();
for( const VECTOR2I& pt : pts )
aBuffer.Append( pt );
int width = GetWidth() + ( 2 * aClearance );
if( width > 0 )
{
// Add in segments
TransformOvalToPolygon( aBuffer, pts[0], pts[1], width, aError, aErrorLoc );
TransformOvalToPolygon( aBuffer, pts[1], pts[2], width, aError, aErrorLoc );
TransformOvalToPolygon( aBuffer, pts[2], pts[3], width, aError, aErrorLoc );
TransformOvalToPolygon( aBuffer, pts[3], pts[0], width, aError, aErrorLoc );
}
}
wxString FP_TEXTBOX::GetParentAsString() const
{
if( FOOTPRINT* fp = dynamic_cast<FOOTPRINT*>( m_parent ) )
return fp->GetReference();
return m_parent->m_Uuid.AsString();
}
static struct FP_TEXTBOX_DESC
{
FP_TEXTBOX_DESC()
{
PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
REGISTER_TYPE( FP_TEXTBOX );
propMgr.AddTypeCast( new TYPE_CAST<FP_TEXTBOX, FP_SHAPE> );
propMgr.AddTypeCast( new TYPE_CAST<FP_TEXTBOX, EDA_TEXT> );
propMgr.InheritsAfter( TYPE_HASH( FP_TEXTBOX ), TYPE_HASH( FP_SHAPE ) );
propMgr.InheritsAfter( TYPE_HASH( FP_TEXTBOX ), TYPE_HASH( EDA_TEXT ) );
propMgr.AddProperty( new PROPERTY<FP_TEXTBOX, wxString>( _HKI( "Parent" ),
NO_SETTER( FP_TEXTBOX, wxString ), &FP_TEXTBOX::GetParentAsString ) );
}
} _FP_TEXTBOX_DESC;
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