2013-06-27 17:37:58 +00:00
|
|
|
/*
|
2016-09-28 22:12:27 +00:00
|
|
|
*******************************************************************************
|
|
|
|
|
*
|
2017-01-20 00:20:31 +00:00
|
|
|
* © 2016 and later: Unicode, Inc. and others.
|
2016-09-28 22:12:27 +00:00
|
|
|
* License & terms of use: http://www.unicode.org/copyright.html#License
|
|
|
|
|
*
|
|
|
|
|
*******************************************************************************
|
2013-06-27 17:37:58 +00:00
|
|
|
*******************************************************************************
|
|
|
|
|
*
|
|
|
|
|
* Copyright (C) 1999-2013, International Business Machines
|
|
|
|
|
* Corporation and others. All Rights Reserved.
|
|
|
|
|
*
|
|
|
|
|
*******************************************************************************
|
|
|
|
|
* file name: SimpleFontInstance.h
|
|
|
|
|
*
|
|
|
|
|
* created on: 03/30/2006
|
|
|
|
|
* created by: Eric R. Mader
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef __SIMPLEFONTINSTANCE_H
|
|
|
|
|
#define __SIMPLEFONTINSTANCE_H
|
|
|
|
|
|
|
|
|
|
#include "layout/LETypes.h"
|
|
|
|
|
#include "layout/LEFontInstance.h"
|
|
|
|
|
|
|
|
|
|
U_NAMESPACE_USE
|
|
|
|
|
|
|
|
|
|
class SimpleFontInstance : public LEFontInstance
|
|
|
|
|
{
|
|
|
|
|
private:
|
|
|
|
|
float fPointSize;
|
|
|
|
|
le_int32 fAscent;
|
|
|
|
|
le_int32 fDescent;
|
|
|
|
|
|
|
|
|
|
protected:
|
|
|
|
|
const void *readFontTable(LETag tableTag) const;
|
|
|
|
|
|
|
|
|
|
public:
|
|
|
|
|
SimpleFontInstance(float pointSize, LEErrorCode &status);
|
|
|
|
|
|
|
|
|
|
virtual ~SimpleFontInstance();
|
|
|
|
|
|
|
|
|
|
virtual const void *getFontTable(LETag tableTag) const;
|
|
|
|
|
|
|
|
|
|
virtual le_int32 getUnitsPerEM() const;
|
|
|
|
|
|
|
|
|
|
virtual le_int32 getAscent() const;
|
|
|
|
|
|
|
|
|
|
virtual le_int32 getDescent() const;
|
|
|
|
|
|
|
|
|
|
virtual le_int32 getLeading() const;
|
|
|
|
|
|
|
|
|
|
// We really want to inherit this method from the superclass, but some compilers
|
|
|
|
|
// issue a warning if we don't implement it...
|
|
|
|
|
virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch, const LECharMapper *mapper, le_bool filterZeroWidth) const;
|
|
|
|
|
|
|
|
|
|
// We really want to inherit this method from the superclass, but some compilers
|
|
|
|
|
// issue a warning if we don't implement it...
|
|
|
|
|
virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch, const LECharMapper *mapper) const;
|
|
|
|
|
|
|
|
|
|
virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch) const;
|
|
|
|
|
|
|
|
|
|
virtual void getGlyphAdvance(LEGlyphID glyph, LEPoint &advance) const;
|
|
|
|
|
|
|
|
|
|
virtual le_bool getGlyphPoint(LEGlyphID glyph, le_int32 pointNumber, LEPoint &point) const;
|
|
|
|
|
|
|
|
|
|
float getXPixelsPerEm() const;
|
|
|
|
|
|
|
|
|
|
float getYPixelsPerEm() const;
|
|
|
|
|
|
|
|
|
|
float getScaleFactorX() const;
|
|
|
|
|
|
|
|
|
|
float getScaleFactorY() const;
|
|
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#endif
|
