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/*
 For general Scribus (>=1.3.2) copyright and licensing information please refer
 to the COPYING file provided with the program. Following this notice may exist
 a copyright and/or license notice that predates the release of Scribus 1.3.2
 for which a new license (GPL+exception) is in place.
 */

/***************************************************************************
*                                                                         *
*   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.                                   *
*                                                                         *
***************************************************************************/


#ifndef CHARSTYLE_H
#define CHARSTYLE_H


#include "style.h"

class ResourceCollection;

enum StyleFlagValue {
    ScStyle_None          = 0,
    ScStyle_Default       = 0,
    ScStyle_Superscript   = 1,
    ScStyle_Subscript     = 2,
    ScStyle_Outline       = 4,
    ScStyle_Underline     = 8,
    ScStyle_Strikethrough = 16,
    ScStyle_AllCaps       = 32,
    ScStyle_SmallCaps     = 64,
    ScStyle_HyphenationPossible=128, //Hyphenation possible here (Soft Hyphen)
    ScStyle_Shadowed      = 256,
    ScStyle_UnderlineWords= 512,
        xScStyle_Reserved01    = 1024, //free, not used in the moment
        xScStyle_DropCap       = 2048,
        xScStyle_SuppressSpace = 4096,//internal use in PageItem (Suppresses spaces when in Block alignment)
        xScStyle_SoftHyphenVisible=8192, //Soft Hyphen visible at line end
        xScStyle_StartOfLine   = 16384,
        ScStyle_UserStyles    = 1919, // == 1024 + 512 + 256 + 64 + 32 + 16 + 8 + 4 + 2 + 1
        ScStyle_NonUserStyles = 30848, // == 128 + 2048 + 4096 + 8192 + 16384
        ScStyle_RunBreakingStyles = 99,   // == 1 + 2 + 32 + 64
    ScStyle_All           = 65535
};

class SCRIBUS_API StyleFlag
{
public:

        StyleFlagValue value { ScStyle_Default };

        StyleFlag() = default;
        StyleFlag(StyleFlagValue val) { value = val; }
        StyleFlag(int val) { value = static_cast<StyleFlagValue>(val); }

        operator StyleFlagValue() const { return value; }

        QStringList featureList() const;

        StyleFlag& operator=  (StyleFlagValue val) { value = val; return *this;}
        StyleFlag& operator&= (const StyleFlag& right);
        StyleFlag& operator|= (const StyleFlag& right);
        StyleFlag  operator&  (const StyleFlag& right) const;
        StyleFlag  operator&  (int right) const;
        StyleFlag  operator|  (const StyleFlag& right) const;
        StyleFlag  operator|  (int right) const;
        StyleFlag  operator^  (const StyleFlag& right) const;
        StyleFlag  operator^  (int right) const;
        StyleFlag  operator~  () const;

        bool equivForShaping(const StyleFlag& right) const;
        bool operator== (const StyleFlag& right) const;
        bool operator== (const StyleFlagValue right) const;
        bool operator== (int right) const;
        bool operator!= (const StyleFlag& right) const;
        bool operator!= (const StyleFlagValue right) const;
        bool operator!= (int right) const;
};

class SCRIBUS_API CharStyle : public BaseStyle {
public:

        static const QString INHERIT;
        static const QString BOLD;
        static const QString ITALIC;
        static const QString UNDERLINE;
        static const QString UNDERLINEWORDS;
        static const QString STRIKETHROUGH;
        static const QString SUPERSCRIPT;
        static const QString SUBSCRIPT;
        static const QString OUTLINE;
        static const QString SHADOWED;
        static const QString ALLCAPS;
        static const QString SMALLCAPS;

        CharStyle() : BaseStyle() {
#define ATTRDEF(attr_TYPE, attr_GETTER, attr_NAME, attr_DEFAULT, attr_BREAKSHAPING) \
                m_##attr_NAME = attr_DEFAULT; \
                inh_##attr_NAME = true;

#include "charstyle.attrdefs.cxx"
#undef ATTRDEF
                m_isDefaultStyle=false;
        }
       
        CharStyle(const ScFace& font, int size, StyleFlag style = ScStyle_Default) : BaseStyle() {
#define ATTRDEF(attr_TYPE, attr_GETTER, attr_NAME, attr_DEFAULT, attr_BREAKSHAPING) \
                m_##attr_NAME = attr_DEFAULT; \
                inh_##attr_NAME = true;

#include "charstyle.attrdefs.cxx"
#undef ATTRDEF
                m_isDefaultStyle=false;
                setFont(font);
                setFontSize(size);
                setEffects(style);
        }
       
        CharStyle(const CharStyle & other);
       
        CharStyle & operator=(const CharStyle & other);
       
        static const Xml_string saxxDefaultElem;
        static void  desaxeRules(const Xml_string& prefixPattern, desaxe::Digester& ruleset, const Xml_string& elemtag = saxxDefaultElem);
       
        void saxx(SaxHandler& handler, const Xml_string& elemtag) const override;
        void saxx(SaxHandler& handler) const override { saxx(handler, saxxDefaultElem); }
       

        void getNamedResources(ResourceCollection& lists) const;
        void replaceNamedResources(ResourceCollection& newNames);

        QString displayName() const override;

        void update(const StyleContext * b) override;
       
        /** This method may alter any of the attributes depending on the value of 'features'.
                Used for font effects */

        void updateFeatures();
       
        bool equiv(const BaseStyle& other) const override;
        bool equivForShaping(const CharStyle &other) const;

        void applyCharStyle(const CharStyle & other);
        void eraseCharStyle(const CharStyle & other);
        void setStyle(const CharStyle & other);
        void erase() override { eraseCharStyle(*this); }
        void eraseDirectFormatting();
       
        QString asString() const;
       
        /** This property will be evaluated at runtime and is not stored. See 'updateFeatures()' */
        const StyleFlag& effects() const { validate(); return m_Effects; }
        void setEffects(StyleFlag flags) { m_Effects = flags; }
       
       
        /** getter: validates and returns the attribute's value */
       
#define ATTRDEF(attr_TYPE, attr_GETTER, attr_NAME, attr_DEFAULT, attr_BREAKSHAPING) \
        const attr_TYPE &attr_GETTER() const { validate(); return m_##attr_NAME; }

#include "charstyle.attrdefs.cxx"
#undef ATTRDEF
       
        /** setter: sets the attribute's value and clears inherited flag */
       
#define ATTRDEF(attr_TYPE, attr_GETTER, attr_NAME, attr_DEFAULT, attr_BREAKSHAPING) \
        void set##attr_NAME(attr_TYPE v) { m_##attr_NAME = v; inh_##attr_NAME = false; }

#include "charstyle.attrdefs.cxx"
#undef ATTRDEF
       
        /** setter: resets the attribute's value and sets inherited flag */
       
#define ATTRDEF(attr_TYPE, attr_GETTER, attr_NAME, attr_DEFAULT, attr_BREAKSHAPING) \
        void reset##attr_NAME() { m_##attr_NAME = attr_DEFAULT; inh_##attr_NAME = true; }

#include "charstyle.attrdefs.cxx"
#undef ATTRDEF
       
        /** isInherited: returns true if the attribute is inherited */
#define ATTRDEF(attr_TYPE, attr_GETTER, attr_NAME, attr_DEFAULT, attr_BREAKSHAPING) \
        bool isInh##attr_NAME() const { return inh_##attr_NAME; }

#include "charstyle.attrdefs.cxx"
#undef ATTRDEF
       
       
        /** isDefined: returns true if the attribute is defined in this style or any parent */
#define ATTRDEF(attr_TYPE, attr_GETTER, attr_NAME, attr_DEFAULT, attr_BREAKSHAPING) \
        bool isDef##attr_NAME() const { \
                if ( !inh_##attr_NAME ) return true; \
                const CharStyle * par = dynamic_cast<const CharStyle*>(parentStyle()); \
                return par && par->isDef##attr_NAME(); \
        }

#include "charstyle.attrdefs.cxx"
#undef ATTRDEF
       
private:

        void runFeatures(const QStringList& featurelist, const CharStyle* parent);
       
        StyleFlag m_Effects;
        // member declarations:
               
#define ATTRDEF(attr_TYPE, attr_GETTER, attr_NAME, attr_DEFAULT, attr_BREAKSHAPING) \
        attr_TYPE m_##attr_NAME; \
        bool inh_##attr_NAME;

#include "charstyle.attrdefs.cxx"
#undef ATTRDEF
};


inline CharStyle & CharStyle::operator=(const CharStyle & other)
{
        static_cast<BaseStyle&>(*this) = static_cast<const BaseStyle&>(other);
#define ATTRDEF(attr_TYPE, attr_GETTER, attr_NAME, attr_DEFAULT, attr_BREAKSHAPING) \
        m_##attr_NAME = other.m_##attr_NAME; \
        inh_##attr_NAME = other.inh_##attr_NAME;

#include "charstyle.attrdefs.cxx"
#undef ATTRDEF
        m_Effects = other.m_Effects;
        m_contextversion = -1;
        return *this;
}

inline CharStyle::CharStyle(const CharStyle & other) : BaseStyle(other)
{
#define ATTRDEF(attr_TYPE, attr_GETTER, attr_NAME, attr_DEFAULT, attr_BREAKSHAPING) \
        m_##attr_NAME = other.m_##attr_NAME; \
        inh_##attr_NAME = other.inh_##attr_NAME;

#include "charstyle.attrdefs.cxx"
#undef ATTRDEF
        m_Effects = other.m_Effects;
        m_contextversion = -1;
}

#endif