1/*
2 *******************************************************************************
3 *
4 *   Copyright (C) 1999-2013, International Business Machines
5 *   Corporation and others.  All Rights Reserved.
6 *
7 *******************************************************************************
8 *   file name:  SimpleFontInstance.h
9 *
10 *   created on: 03/30/2006
11 *   created by: Eric R. Mader
12 */
13
14#ifndef __SIMPLEFONTINSTANCE_H
15#define __SIMPLEFONTINSTANCE_H
16
17#include "layout/LETypes.h"
18#include "layout/LEFontInstance.h"
19
20U_NAMESPACE_USE
21
22class SimpleFontInstance : public LEFontInstance
23{
24private:
25    float     fPointSize;
26    le_int32  fAscent;
27    le_int32  fDescent;
28
29protected:
30    const void *readFontTable(LETag tableTag) const;
31
32public:
33    SimpleFontInstance(float pointSize, LEErrorCode &status);
34
35    virtual ~SimpleFontInstance();
36
37    virtual const void *getFontTable(LETag tableTag) const;
38
39    virtual le_int32 getUnitsPerEM() const;
40
41    virtual le_int32 getAscent() const;
42
43    virtual le_int32 getDescent() const;
44
45    virtual le_int32 getLeading() const;
46
47    // We really want to inherit this method from the superclass, but some compilers
48    // issue a warning if we don't implement it...
49    virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch, const LECharMapper *mapper, le_bool filterZeroWidth) const;
50
51    // We really want to inherit this method from the superclass, but some compilers
52    // issue a warning if we don't implement it...
53    virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch, const LECharMapper *mapper) const;
54
55    virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch) const;
56
57    virtual void getGlyphAdvance(LEGlyphID glyph, LEPoint &advance) const;
58
59    virtual le_bool getGlyphPoint(LEGlyphID glyph, le_int32 pointNumber, LEPoint &point) const;
60
61    float getXPixelsPerEm() const;
62
63    float getYPixelsPerEm() const;
64
65    float getScaleFactorX() const;
66
67    float getScaleFactorY() const;
68
69};
70
71#endif
72