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kicad/eeschema/lib_text.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004-2022 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 <common.h>
#include <sch_draw_panel.h>
#include <plotters/plotter.h>
#include <trigo.h>
#include <base_units.h>
#include <widgets/msgpanel.h>
#include <bitmaps.h>
#include <eda_draw_frame.h>
#include <lib_item.h>
#include <general.h>
#include <transform.h>
#include <settings/color_settings.h>
#include <lib_text.h>
#include <default_values.h> // For some default values
#include <string_utils.h>
LIB_TEXT::LIB_TEXT( LIB_SYMBOL* aParent ) :
LIB_ITEM( LIB_TEXT_T, aParent ),
EDA_TEXT( wxEmptyString )
{
SetTextSize( wxSize( Mils2iu( DEFAULT_TEXT_SIZE ), Mils2iu( DEFAULT_TEXT_SIZE ) ) );
}
void LIB_TEXT::ViewGetLayers( int aLayers[], int& aCount ) const
{
aCount = 2;
aLayers[0] = IsPrivate() ? LAYER_PRIVATE_NOTES : LAYER_DEVICE;
aLayers[2] = LAYER_SELECTION_SHADOWS;
}
bool LIB_TEXT::HitTest( const VECTOR2I& aPosition, int aAccuracy ) const
{
EDA_TEXT tmp_text( *this );
tmp_text.SetTextPos( DefaultTransform.TransformCoordinate( GetTextPos() ) );
/* The text orientation may need to be flipped if the
* transformation matrix causes xy axes to be flipped.
* this simple algo works only for schematic matrix (rot 90 or/and mirror)
*/
bool t1 = ( DefaultTransform.x1 != 0 ) ^ ( GetTextAngle() != ANGLE_HORIZONTAL );
tmp_text.SetTextAngle( t1 ? ANGLE_HORIZONTAL : ANGLE_VERTICAL );
return tmp_text.TextHitTest( aPosition, aAccuracy );
}
EDA_ITEM* LIB_TEXT::Clone() const
{
LIB_TEXT* newitem = new LIB_TEXT( nullptr );
newitem->m_parent = m_parent;
newitem->m_unit = m_unit;
newitem->m_convert = m_convert;
newitem->m_private = m_private;
newitem->m_flags = m_flags;
newitem->SetText( GetText() );
newitem->SetAttributes( *this );
return newitem;
}
int LIB_TEXT::compare( const LIB_ITEM& aOther, int aCompareFlags ) const
{
wxASSERT( aOther.Type() == LIB_TEXT_T );
int retv = LIB_ITEM::compare( aOther, aCompareFlags );
if( retv )
return retv;
const LIB_TEXT* tmp = ( LIB_TEXT* ) &aOther;
int result = GetText().CmpNoCase( tmp->GetText() );
if( result != 0 )
return result;
if( GetTextPos().x != tmp->GetTextPos().x )
return GetTextPos().x - tmp->GetTextPos().x;
if( GetTextPos().y != tmp->GetTextPos().y )
return GetTextPos().y - tmp->GetTextPos().y;
if( GetTextWidth() != tmp->GetTextWidth() )
return GetTextWidth() - tmp->GetTextWidth();
if( GetTextHeight() != tmp->GetTextHeight() )
return GetTextHeight() - tmp->GetTextHeight();
return 0;
}
void LIB_TEXT::Offset( const VECTOR2I& aOffset )
{
EDA_TEXT::Offset( aOffset );
}
void LIB_TEXT::MoveTo( const VECTOR2I& newPosition )
{
SetTextPos( newPosition );
}
void LIB_TEXT::NormalizeJustification( bool inverse )
{
VECTOR2I delta( 0, 0 );
EDA_RECT bbox = GetTextBox();
if( GetTextAngle().IsHorizontal() )
{
if( GetHorizJustify() == GR_TEXT_H_ALIGN_LEFT )
delta.x = bbox.GetWidth() / 2;
else if( GetHorizJustify() == GR_TEXT_H_ALIGN_RIGHT )
delta.x = - bbox.GetWidth() / 2;
if( GetVertJustify() == GR_TEXT_V_ALIGN_TOP )
delta.y = - bbox.GetHeight() / 2;
else if( GetVertJustify() == GR_TEXT_V_ALIGN_BOTTOM )
delta.y = bbox.GetHeight() / 2;
}
else
{
if( GetHorizJustify() == GR_TEXT_H_ALIGN_LEFT )
delta.y = bbox.GetWidth() / 2;
else if( GetHorizJustify() == GR_TEXT_H_ALIGN_RIGHT )
delta.y = - bbox.GetWidth() / 2;
if( GetVertJustify() == GR_TEXT_V_ALIGN_TOP )
delta.x = + bbox.GetHeight() / 2;
else if( GetVertJustify() == GR_TEXT_V_ALIGN_BOTTOM )
delta.x = - bbox.GetHeight() / 2;
}
if( inverse )
SetTextPos( GetTextPos() - delta );
else
SetTextPos( GetTextPos() + delta );
}
void LIB_TEXT::MirrorHorizontal( const VECTOR2I& center )
{
NormalizeJustification( false );
int x = GetTextPos().x;
x -= center.x;
x *= -1;
x += center.x;
if( GetTextAngle().IsHorizontal() )
{
if( GetHorizJustify() == GR_TEXT_H_ALIGN_LEFT )
SetHorizJustify( GR_TEXT_H_ALIGN_RIGHT );
else if( GetHorizJustify() == GR_TEXT_H_ALIGN_RIGHT )
SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
}
else
{
if( GetVertJustify() == GR_TEXT_V_ALIGN_TOP )
SetVertJustify( GR_TEXT_V_ALIGN_BOTTOM );
else if( GetVertJustify() == GR_TEXT_V_ALIGN_BOTTOM )
SetVertJustify( GR_TEXT_V_ALIGN_TOP );
}
SetTextX( x );
NormalizeJustification( true );
}
void LIB_TEXT::MirrorVertical( const VECTOR2I& center )
{
NormalizeJustification( false );
int y = GetTextPos().y;
y -= center.y;
y *= -1;
y += center.y;
if( GetTextAngle().IsHorizontal() )
{
if( GetVertJustify() == GR_TEXT_V_ALIGN_TOP )
SetVertJustify( GR_TEXT_V_ALIGN_BOTTOM );
else if( GetVertJustify() == GR_TEXT_V_ALIGN_BOTTOM )
SetVertJustify( GR_TEXT_V_ALIGN_TOP );
}
else
{
if( GetHorizJustify() == GR_TEXT_H_ALIGN_LEFT )
SetHorizJustify( GR_TEXT_H_ALIGN_RIGHT );
else if( GetHorizJustify() == GR_TEXT_H_ALIGN_RIGHT )
SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
}
SetTextY( y );
NormalizeJustification( true );
}
void LIB_TEXT::Rotate( const VECTOR2I& center, bool aRotateCCW )
{
NormalizeJustification( false );
EDA_ANGLE rot_angle = aRotateCCW ? -ANGLE_90 : ANGLE_90;
VECTOR2I pt = GetTextPos();
RotatePoint( pt, center, rot_angle );
SetTextPos( pt );
if( GetTextAngle().IsHorizontal() )
{
SetTextAngle( ANGLE_VERTICAL );
}
else
{
// 180° rotation is a mirror
if( GetHorizJustify() == GR_TEXT_H_ALIGN_LEFT )
SetHorizJustify( GR_TEXT_H_ALIGN_RIGHT );
else if( GetHorizJustify() == GR_TEXT_H_ALIGN_RIGHT )
SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
if( GetVertJustify() == GR_TEXT_V_ALIGN_TOP )
SetVertJustify( GR_TEXT_V_ALIGN_BOTTOM );
else if( GetVertJustify() == GR_TEXT_V_ALIGN_BOTTOM )
SetVertJustify( GR_TEXT_V_ALIGN_TOP );
SetTextAngle( ANGLE_0 );
}
NormalizeJustification( true );
}
void LIB_TEXT::Plot( PLOTTER* plotter, bool aBackground, const VECTOR2I& offset,
const TRANSFORM& aTransform ) const
{
wxASSERT( plotter != nullptr );
if( IsPrivate() )
return;
if( aBackground )
return;
EDA_RECT bBox = GetBoundingBox();
// convert coordinates from draw Y axis to symbol_editor Y axis
bBox.RevertYAxis();
VECTOR2I txtpos = bBox.Centre();
// The text orientation may need to be flipped if the transformation matrix causes xy
// axes to be flipped.
int t1 = ( aTransform.x1 != 0 ) ^ ( GetTextAngle() != ANGLE_HORIZONTAL );
VECTOR2I pos = aTransform.TransformCoordinate( txtpos ) + offset;
COLOR4D color = GetTextColor();
if( !plotter->GetColorMode() || color == COLOR4D::UNSPECIFIED )
color = plotter->RenderSettings()->GetLayerColor( LAYER_DEVICE );
RENDER_SETTINGS* settings = plotter->RenderSettings();
int penWidth = std::max( GetEffectiveTextPenWidth(), settings->GetMinPenWidth() );
plotter->Text( pos, color, GetText(), t1 ? ANGLE_HORIZONTAL : ANGLE_VERTICAL, GetTextSize(),
GR_TEXT_H_ALIGN_CENTER, GR_TEXT_V_ALIGN_CENTER, penWidth, IsItalic(), IsBold(),
true, GetDrawFont() );
}
int LIB_TEXT::GetPenWidth() const
{
return GetEffectiveTextPenWidth();
}
KIFONT::FONT* LIB_TEXT::GetDrawFont() const
{
KIFONT::FONT* font = EDA_TEXT::GetFont();
if( !font )
font = KIFONT::FONT::GetFont( GetDefaultFont(), IsBold(), IsItalic() );
return font;
}
void LIB_TEXT::print( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset, void* aData,
const TRANSFORM& aTransform )
{
wxDC* DC = aSettings->GetPrintDC();
COLOR4D color = GetTextColor();
bool blackAndWhiteMode = GetGRForceBlackPenState();
int penWidth = std::max( GetEffectiveTextPenWidth(), aSettings->GetDefaultPenWidth() );
if( blackAndWhiteMode || color == COLOR4D::UNSPECIFIED )
color = aSettings->GetLayerColor( LAYER_DEVICE );
// Calculate the text orientation, according to the symbol orientation/mirror (needed when
// draw text in schematic)
EDA_ANGLE orient = GetTextAngle();
if( aTransform.y1 ) // Rotate symbol 90 degrees.
{
if( orient == ANGLE_HORIZONTAL )
orient = ANGLE_VERTICAL;
else
orient = ANGLE_HORIZONTAL;
}
/*
* Calculate the text justification, according to the symbol orientation/mirror.
* This is a bit complicated due to cumulative calculations:
* - numerous cases (mirrored or not, rotation)
* - the GRText function will also recalculate H and V justifications according to the text
* orientation.
* - When a symbol is mirrored, the text is not mirrored and justifications are complicated
* to calculate so the more easily way is to use no justifications (centered text) and
* use GetBoundingBox to know the text coordinate considered as centered
*/
EDA_RECT bBox = GetBoundingBox();
// convert coordinates from draw Y axis to symbol_editor Y axis:
bBox.RevertYAxis();
VECTOR2I txtpos = bBox.Centre();
// Calculate pos according to mirror/rotation.
txtpos = aTransform.TransformCoordinate( txtpos ) + aOffset;
GRPrintText( DC, txtpos, color, GetShownText(), orient, GetTextSize(), GR_TEXT_H_ALIGN_CENTER,
GR_TEXT_V_ALIGN_CENTER, penWidth, IsItalic(), IsBold(), GetDrawFont() );
}
void LIB_TEXT::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList )
{
wxString msg;
LIB_ITEM::GetMsgPanelInfo( aFrame, aList );
// Don't use GetShownText() here; we want to show the user the variable references
aList.emplace_back( _( "Text" ), UnescapeString( GetText() ) );
aList.emplace_back( _( "Font" ), GetDrawFont()->GetName() );
aList.emplace_back( _( "Style" ), GetTextStyleName() );
aList.emplace_back( _( "Text Size" ), MessageTextFromValue( aFrame->GetUserUnits(),
GetTextWidth() ) );
switch ( GetHorizJustify() )
{
case GR_TEXT_H_ALIGN_LEFT: msg = _( "Left" ); break;
case GR_TEXT_H_ALIGN_CENTER: msg = _( "Center" ); break;
case GR_TEXT_H_ALIGN_RIGHT: msg = _( "Right" ); break;
}
aList.emplace_back( _( "H Justification" ), msg );
switch ( GetVertJustify() )
{
case GR_TEXT_V_ALIGN_TOP: msg = _( "Top" ); break;
case GR_TEXT_V_ALIGN_CENTER: msg = _( "Center" ); break;
case GR_TEXT_V_ALIGN_BOTTOM: msg = _( "Bottom" ); break;
}
aList.emplace_back( _( "V Justification" ), msg );
}
const EDA_RECT LIB_TEXT::GetBoundingBox() const
{
/* Y coordinates for LIB_ITEMS are bottom to top, so we must invert the Y position when
* calling GetTextBox() that works using top to bottom Y axis orientation.
*/
EDA_RECT rect = GetTextBox( -1, true );
rect.RevertYAxis();
// We are using now a bottom to top Y axis.
VECTOR2I orig = rect.GetOrigin();
VECTOR2I end = rect.GetEnd();
RotatePoint( orig, GetTextPos(), -GetTextAngle() );
RotatePoint( end, GetTextPos(), -GetTextAngle() );
rect.SetOrigin( orig );
rect.SetEnd( end );
// We are using now a top to bottom Y axis:
rect.RevertYAxis();
return rect;
}
wxString LIB_TEXT::GetSelectMenuText( EDA_UNITS aUnits ) const
{
return wxString::Format( _( "Graphic Text '%s'" ), ShortenedShownText() );
}
BITMAPS LIB_TEXT::GetMenuImage() const
{
return BITMAPS::text;
}
void LIB_TEXT::BeginEdit( const VECTOR2I& aPosition )
{
SetTextPos( aPosition );
}
void LIB_TEXT::CalcEdit( const VECTOR2I& aPosition )
{
SetTextPos( aPosition );
}
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