kicad/include/eda_text.h

363 lines
13 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2013 Jean-Pierre Charras, jp.charras at wanadoo.fr
* 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
*/
#ifndef EDA_TEXT_H_
#define EDA_TEXT_H_
#include <memory>
#include <vector>
#include <outline_mode.h>
#include <eda_rect.h>
#include <font/glyph.h>
#include <font/text_attributes.h>
class OUTPUTFORMATTER;
class SHAPE_COMPOUND;
class SHAPE_POLY_SET;
class wxFindReplaceData;
namespace KIGFX
{
class RENDER_SETTINGS;
class COLOR4D;
}
using KIGFX::RENDER_SETTINGS;
using KIGFX::COLOR4D;
// part of the kicad_plugin.h family of defines.
// See kicad_plugin.h for the choice of the value
// When set when calling EDA_TEXT::Format, disable writing the "hide" keyword in save file
#define CTL_OMIT_HIDE (1 << 6)
/**
* This is the "default-of-the-default" hardcoded text size; individual
* application define their own default policy starting with this
* (usually with a user option or project).
*/
#define DEFAULT_SIZE_TEXT 50 // default text height (in mils, i.e. 1/1000")
#define DIM_ANCRE_TEXTE 2 // Anchor size for text
/**
* A mix-in class (via multiple inheritance) that handles texts such as labels, parts,
* components, or footprints. Because it's a mix-in class, care is used to provide
* function names (accessors) that to not collide with function names likely to be seen
* in the combined derived classes.
*/
class EDA_TEXT
{
public:
EDA_TEXT( const wxString& text = wxEmptyString );
EDA_TEXT( const EDA_TEXT& aText );
virtual ~EDA_TEXT();
EDA_TEXT& operator=( const EDA_TEXT& aItem );
/**
* Return the string associated with the text object.
*
* @return a const wxString reference containing the string of the item.
*/
virtual const wxString& GetText() const { return m_text; }
/**
* Return the string actually shown after processing of the base text.
*
* @param aDepth is used to prevent infinite recursions and loops when expanding
* text variables.
*/
virtual wxString GetShownText( int aDepth = 0 ) const { return m_shown_text; }
/**
* Returns a shortened version (max 15 characters) of the shown text
*/
wxString ShortenedShownText() const;
/**
* Indicates the ShownText has text var references which need to be processed.
*/
bool HasTextVars() const { return m_shown_text_has_text_var_refs; }
virtual void SetText( const wxString& aText );
/**
* The TextThickness is that set by the user. The EffectiveTextPenWidth also factors
* in bold text and thickness clamping.
*/
void SetTextThickness( int aWidth );
int GetTextThickness() const { return m_attributes.m_StrokeWidth; };
/**
* The EffectiveTextPenWidth uses the text thickness if > 1 or aDefaultWidth.
*/
int GetEffectiveTextPenWidth( int aDefaultWidth = 0 ) const;
virtual void SetTextAngle( const EDA_ANGLE& aAngle );
const EDA_ANGLE& GetTextAngle() const { return m_attributes.m_Angle; }
void SetItalic( bool aItalic );
bool IsItalic() const { return m_attributes.m_Italic; }
void SetBold( bool aBold );
bool IsBold() const { return m_attributes.m_Bold; }
virtual void SetVisible( bool aVisible );
virtual bool IsVisible() const { return m_attributes.m_Visible; }
void SetMirrored( bool isMirrored );
bool IsMirrored() const { return m_attributes.m_Mirrored; }
/**
* @param aAllow true if ok to use multiline option, false if ok to use only single line
* text. (Single line is faster in calculations than multiline.)
*/
void SetMultilineAllowed( bool aAllow );
bool IsMultilineAllowed() const { return m_attributes.m_Multiline; }
void SetHorizJustify( GR_TEXT_H_ALIGN_T aType );
GR_TEXT_H_ALIGN_T GetHorizJustify() const { return m_attributes.m_Halign; };
void SetVertJustify( GR_TEXT_V_ALIGN_T aType );
GR_TEXT_V_ALIGN_T GetVertJustify() const { return m_attributes.m_Valign; };
void SetKeepUpright( bool aKeepUpright );
bool IsKeepUpright() const { return m_attributes.m_KeepUpright; }
/**
* Set the text attributes from another instance.
*/
void SetAttributes( const EDA_TEXT& aSrc );
/**
* Swap the text attributes of the two involved instances.
*/
void SwapAttributes( EDA_TEXT& aTradingPartner );
void SwapText( EDA_TEXT& aTradingPartner );
void CopyText( const EDA_TEXT& aSrc );
const TEXT_ATTRIBUTES& GetAttributes() const { return m_attributes; }
/**
* Helper function used in search and replace dialog.
*
* Perform a text replace using the find and replace criteria in \a aSearchData.
*
* @param aSearchData A reference to a wxFindReplaceData object containing the
* search and replace criteria.
* @return True if the text item was modified, otherwise false.
*/
bool Replace( const wxFindReplaceData& aSearchData );
bool IsDefaultFormatting() const;
void SetFont( KIFONT::FONT* aFont );
KIFONT::FONT* GetFont() const { return m_attributes.m_Font; }
wxString GetFontName() const;
void SetLineSpacing( double aLineSpacing );
double GetLineSpacing() const { return m_attributes.m_LineSpacing; }
void SetTextSize( const wxSize& aNewSize );
wxSize GetTextSize() const { return wxSize( m_attributes.m_Size.x,
m_attributes.m_Size.y ); }
void SetTextWidth( int aWidth );
int GetTextWidth() const { return m_attributes.m_Size.x; }
void SetTextHeight( int aHeight );
int GetTextHeight() const { return m_attributes.m_Size.y; }
void SetTextPos( const VECTOR2I& aPoint );
const VECTOR2I& GetTextPos() const { return m_pos; }
void SetTextX( int aX );
void SetTextY( int aY );
void Offset( const VECTOR2I& aOffset );
void Empty();
static GR_TEXT_H_ALIGN_T MapHorizJustify( int aHorizJustify );
static GR_TEXT_V_ALIGN_T MapVertJustify( int aVertJustify );
/**
* Print this text object to the device context \a aDC.
*
* @param aDC the current Device Context.
* @param aOffset draw offset (usually (0,0)).
* @param aColor text color.
* @param aDisplay_mode #FILLED or #SKETCH.
*/
void Print( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset,
const COLOR4D& aColor, OUTLINE_MODE aDisplay_mode = FILLED );
/**
* Convert the text bounding box to a rectangular polygon depending on the text
* orientation, the bounding box is not always horizontal or vertical
*
* Used in filling zones calculations
* Circles and arcs are approximated by segments
*
* @param aCornerBuffer a buffer to store the polygon.
* @param aClearanceValue the clearance around the text bounding box
* to the real clearance value (usually near from 1.0).
*/
void TransformBoundingBoxWithClearanceToPolygon( SHAPE_POLY_SET* aCornerBuffer,
int aClearanceValue ) const;
/**
* build a list of segments (SHAPE_SEGMENT) to describe a text shape.
* @param aTriangulate: true to build also the triangulation of each shape
* @param aUseTextRotation: true to use the actual text draw rotation.
* false to build a list of shape for a not rotated text ("native" shapes).
*/
std::shared_ptr<SHAPE_COMPOUND> GetEffectiveTextShape( bool aTriangulate = true,
bool aUseTextRotation = true ) const;
/**
* Test if \a aPoint is within the bounds of this object.
*
* @param aPoint A VECTOR2I to test.
* @param aAccuracy Amount to inflate the bounding box.
* @return true if a hit, else false.
*/
virtual bool TextHitTest( const VECTOR2I& aPoint, int aAccuracy = 0 ) const;
/**
* Test if object bounding box is contained within or intersects \a aRect.
*
* @param aRect Rect to test against.
* @param aContains Test for containment instead of intersection if true.
* @param aAccuracy Amount to inflate the bounding box.
* @return true if a hit, else false.
*/
virtual bool TextHitTest( const EDA_RECT& aRect, bool aContains, int aAccuracy = 0 ) const;
/**
* Useful in multiline texts to calculate the full text or a line area (for zones filling,
* locate functions....)
*
* @param aLine The line of text to consider. Pass -1 for all lines.
* @param aInvertY Invert the Y axis when calculating bounding box.
* @return the rect containing the line of text (i.e. the position and the size of one line)
* this rectangle is calculated for 0 orient text.
* If orientation is not 0 the rect must be rotated to match the physical area
*/
EDA_RECT GetTextBox( int aLine = -1, bool aInvertY = false ) const;
/**
* Return the distance between two lines of text.
*
* Calculates the distance (pitch) between two lines of text. This distance includes the
* interline distance plus room for characters like j, {, and [. It also used for single
* line text, to calculate the text bounding box.
*/
int GetInterline() const;
/**
* @return a wxString with the style name( Normal, Italic, Bold, Bold+Italic).
*/
wxString GetTextStyleName() const;
/**
* Populate \a aPositions with the position of each line of a multiline text, according
* to the vertical justification and the rotation of the whole text.
*
* @param aPositions is the list to populate by the VECTOR2I positions.
* @param aLineCount is the number of lines (not recalculated here for efficiency reasons.
*/
void GetLinePositions( std::vector<VECTOR2I>& aPositions, int aLineCount ) const;
/**
* Output the object to \a aFormatter in s-expression form.
*
* @param aFormatter The #OUTPUTFORMATTER object to write to.
* @param aNestLevel The indentation next level.
* @param aControlBits The control bit definition for object specific formatting.
* @throw IO_ERROR on write error.
*/
virtual void Format( OUTPUTFORMATTER* aFormatter, int aNestLevel, int aControlBits ) const;
virtual KIFONT::FONT* GetDrawFont() const;
virtual EDA_ANGLE GetDrawRotation() const { return GetTextAngle(); }
virtual VECTOR2I GetDrawPos() const { return GetTextPos(); }
virtual void ClearRenderCache();
virtual void ClearBoundingBoxCache();
std::vector<std::unique_ptr<KIFONT::GLYPH>>*
GetRenderCache( const wxString& forResolvedText ) const;
// Support for reading the cache from disk.
void SetupRenderCache( const wxString& aResolvedText, const EDA_ANGLE& aAngle );
void AddRenderCacheGlyph( const SHAPE_POLY_SET& aPoly );
int Compare( const EDA_TEXT* aOther ) const;
private:
void cacheShownText();
/**
* Print each line of this EDA_TEXT.
*
* @param aOffset draw offset (usually (0,0)).
* @param aColor text color.
* @param aFillMode FILLED or SKETCH
* @param aText the single line of text to draw.
* @param aPos the position of this line ).
*/
void printOneLineOfText( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset,
const COLOR4D& aColor, OUTLINE_MODE aFillMode, const wxString& aText,
const VECTOR2I& aPos );
wxString m_text;
wxString m_shown_text; // Cache of unescaped text for efficient access
bool m_shown_text_has_text_var_refs;
mutable wxString m_render_cache_text;
mutable EDA_ANGLE m_render_cache_angle;
mutable std::vector<std::unique_ptr<KIFONT::GLYPH>> m_render_cache;
mutable bool m_bounding_box_cache_valid;
mutable VECTOR2I m_bounding_box_cache_pos;
mutable int m_bounding_box_cache_line;
mutable bool m_bounding_box_cache_inverted;
mutable EDA_RECT m_bounding_box_cache;
TEXT_ATTRIBUTES m_attributes;
VECTOR2I m_pos;
};
#endif // EDA_TEXT_H_