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// Scintilla source code edit control
/** @file Style.h
** Defines the font and colour style for a class of text.
**/
// Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
#ifndef STYLE_H
#define STYLE_H
namespace Scintilla {
struct FontSpecification {
const char *fontName;
int weight;
bool italic;
int size;
int characterSet;
int extraFontFlag;
FontSpecification() noexcept :
fontName(nullptr),
weight(SC_WEIGHT_NORMAL),
italic(false),
size(10 * SC_FONT_SIZE_MULTIPLIER),
characterSet(0),
extraFontFlag(0) {
}
bool operator==(const FontSpecification &other) const noexcept;
bool operator<(const FontSpecification &other) const noexcept;
};
// Just like Font but only has a copy of the FontID so should not delete it
class FontAlias : public Font {
public:
FontAlias() noexcept;
// FontAlias objects can not be assigned except for initialization
FontAlias(const FontAlias &) noexcept;
FontAlias(FontAlias &&) = delete;
FontAlias &operator=(const FontAlias &) = delete;
FontAlias &operator=(FontAlias &&) = delete;
~FontAlias() override;
void MakeAlias(const Font &fontOrigin) noexcept;
void ClearFont() noexcept;
};
struct FontMeasurements {
unsigned int ascent;
unsigned int descent;
XYPOSITION capitalHeight; // Top of capital letter to baseline: ascent - internal leading
XYPOSITION aveCharWidth;
XYPOSITION spaceWidth;
int sizeZoomed;
FontMeasurements() noexcept;
void ClearMeasurements() noexcept;
};
/**
*/
class Style : public FontSpecification, public FontMeasurements {
public:
ColourDesired fore;
ColourDesired back;
bool eolFilled;
bool underline;
enum ecaseForced {caseMixed, caseUpper, caseLower, caseCamel};
ecaseForced caseForce;
bool visible;
bool changeable;
bool hotspot;
FontAlias font;
Style();
Style(const Style &source) noexcept;
Style(Style &&) = delete;
~Style();
Style &operator=(const Style &source) noexcept;
Style &operator=(Style &&) = delete;
void Clear(ColourDesired fore_, ColourDesired back_,
int size_,
const char *fontName_, int characterSet_,
int weight_, bool italic_, bool eolFilled_,
bool underline_, ecaseForced caseForce_,
bool visible_, bool changeable_, bool hotspot_) noexcept;
void ClearTo(const Style &source) noexcept;
void Copy(const Font &font_, const FontMeasurements &fm_) noexcept;
bool IsProtected() const noexcept { return !(changeable && visible);}
};
}
#endif
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