74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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*******************************************************************************
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*
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* Copyright (C) 1999-2015, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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*******************************************************************************
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* file name: SimpleFontInstance.h
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*
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* created on: 03/30/2006
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* created by: Eric R. Mader
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*/
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#ifndef __SIMPLEFONTINSTANCE_H
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#define __SIMPLEFONTINSTANCE_H
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#include "layout/LETypes.h"
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#include "layout/LEFontInstance.h"
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U_NAMESPACE_USE
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class SimpleFontInstance : public LEFontInstance
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{
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private:
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float fPointSize;
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le_int32 fAscent;
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le_int32 fDescent;
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protected:
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const void *readFontTable(LETag tableTag) const;
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public:
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SimpleFontInstance(float pointSize, LEErrorCode &status);
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virtual ~SimpleFontInstance();
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virtual const void *getFontTable(LETag tableTag, size_t &length) const;
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virtual le_int32 getUnitsPerEM() const;
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virtual le_int32 getAscent() const;
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virtual le_int32 getDescent() const;
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virtual le_int32 getLeading() const;
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// We really want to inherit this method from the superclass, but some compilers
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// issue a warning if we don't implement it...
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virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch, const LECharMapper *mapper, le_bool filterZeroWidth) const;
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// We really want to inherit this method from the superclass, but some compilers
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// issue a warning if we don't implement it...
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virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch, const LECharMapper *mapper) const;
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virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch) const;
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virtual void getGlyphAdvance(LEGlyphID glyph, LEPoint &advance) const;
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virtual le_bool getGlyphPoint(LEGlyphID glyph, le_int32 pointNumber, LEPoint &point) const;
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float getXPixelsPerEm() const;
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float getYPixelsPerEm() const;
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float getScaleFactorX() const;
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float getScaleFactorY() const;
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};
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#endif
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