easypc_text_metrics.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright The 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, see <https://www.gnu.org/licenses/>.
 */

 
#ifndef EASYPC_TEXT_METRICS_H
#define EASYPC_TEXT_METRICS_H
 
#include <cstdint>
#include <string>
 
#include <math/box2.h>
#include <math/vector2d.h>
#include <wx/string.h>
 
 
namespace EASYPC
{
 
struct SOURCE_DESIGN;
struct SOURCE_TEXT_STYLE;
 

enum TEXT_H_ALIGN : int32_t
{
    TEXT_H_LEFT = 0,
    TEXT_H_RIGHT = 1,
    TEXT_H_CENTRE = 2
};
 

enum TEXT_V_ALIGN : int32_t
{
    TEXT_V_BASELINE = 0,
    TEXT_V_TOP = 1,
    TEXT_V_MIDDLE = 2
};
 
 
class TEXT_METRICS
{
public:
    explicit TEXT_METRICS( const SOURCE_TEXT_STYLE& aStyle );

    bool CanMeasure() const { return !m_typeFont; }
 
    int32_t Height() const { return m_height; }

    int32_t RunWidth( const std::string& aText, size_t aBegin, size_t aEnd ) const;

    BOX2I TextBox( const wxString& aText, const VECTOR2I& aAnchor, int32_t aAngle, bool aMirrored, int aHAlign,
                   int aVAlign = TEXT_V_BASELINE ) const;

    VECTOR2I UprightAnchor( const wxString& aText, const VECTOR2I& aAnchor, int32_t aAngle, bool aMirrored, int aHAlign,
                            bool aKeepUpright ) const;

    static std::string Encode( const wxString& aText );
 
private:
    void    checkMeasurable() const;
    int32_t linePitch() const;
    int32_t charWidth( char aChar ) const;
 
    int32_t m_height = 0;
    int32_t m_penWidth = 0;
    int32_t m_interlinePercent = 120;
    int32_t m_charWidthPercent = 100;
    bool    m_proportional = false;
    bool    m_typeFont = false;
};
 

bool TextStaysUpright( const SOURCE_DESIGN& aDesign, bool aSchematic );
 

int32_t UprightRotation( int32_t aAngle, bool aKeepUpright );
 

wxString ToKiCadMarkup( const wxString& aText );
 
} // namespace EASYPC
 
#endif // EASYPC_TEXT_METRICS_H