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73c04bcf A |
1 | /* |
2 | ******************************************************************************* | |
3 | * | |
46f4442e | 4 | * Copyright (C) 1999-2007, International Business Machines |
73c04bcf A |
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 | ||
73c04bcf A |
17 | #include "layout/LETypes.h" |
18 | #include "layout/LEFontInstance.h" | |
19 | ||
46f4442e A |
20 | U_NAMESPACE_USE |
21 | ||
73c04bcf A |
22 | class SimpleFontInstance : public LEFontInstance |
23 | { | |
24 | private: | |
25 | float fPointSize; | |
26 | le_int32 fAscent; | |
27 | le_int32 fDescent; | |
28 | ||
29 | protected: | |
30 | const void *readFontTable(LETag tableTag) const; | |
31 | ||
32 | public: | |
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 |