projects / apple / icu.git / blame
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|---|---|---|
| f3c0d7a5 A |
1 | // © 2016 and later: Unicode, Inc. and others. |
| 2 | // License & terms of use: http://www.unicode.org/copyright.html | |
| 73c04bcf A |
3 | /* |
| 4 | ******************************************************************************* | |
| 5 | * | |
| b331163b | 6 | * Copyright (C) 1999-2015, International Business Machines |
| 73c04bcf A |
7 | * Corporation and others. All Rights Reserved. |
| 8 | * | |
| 9 | ******************************************************************************* | |
| 10 | * file name: SimpleFontInstance.h | |
| 11 | * | |
| 12 | * created on: 03/30/2006 | |
| 13 | * created by: Eric R. Mader | |
| 14 | */ | |
| 15 | ||
| 16 | #ifndef __SIMPLEFONTINSTANCE_H | |
| 17 | #define __SIMPLEFONTINSTANCE_H | |
| 18 | ||
| 73c04bcf A |
19 | #include "layout/LETypes.h" |
| 20 | #include "layout/LEFontInstance.h" | |
| 21 | ||
| 46f4442e A |
22 | U_NAMESPACE_USE |
| 23 | ||
| 73c04bcf A |
24 | class SimpleFontInstance : public LEFontInstance |
| 25 | { | |
| 26 | private: | |
| 27 | float fPointSize; | |
| 28 | le_int32 fAscent; | |
| 29 | le_int32 fDescent; | |
| 30 | ||
| 31 | protected: | |
| 32 | const void *readFontTable(LETag tableTag) const; | |
| 33 | ||
| 34 | public: | |
| 35 | SimpleFontInstance(float pointSize, LEErrorCode &status); | |
| 36 | ||
| 37 | virtual ~SimpleFontInstance(); | |
| 38 | ||
| b331163b | 39 | virtual const void *getFontTable(LETag tableTag, size_t &length) const; |
| 73c04bcf A |
40 | |
| 41 | virtual le_int32 getUnitsPerEM() const; | |
| 42 | ||
| 43 | virtual le_int32 getAscent() const; | |
| 44 | ||
| 45 | virtual le_int32 getDescent() const; | |
| 46 | ||
| 47 | virtual le_int32 getLeading() const; | |
| 48 | ||
| 49 | // We really want to inherit this method from the superclass, but some compilers | |
| 50 | // issue a warning if we don't implement it... | |
| 51 | virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch, const LECharMapper *mapper, le_bool filterZeroWidth) const; | |
| 52 | ||
| 53 | // We really want to inherit this method from the superclass, but some compilers | |
| 54 | // issue a warning if we don't implement it... | |
| 55 | virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch, const LECharMapper *mapper) const; | |
| 56 | ||
| 57 | virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch) const; | |
| 58 | ||
| 59 | virtual void getGlyphAdvance(LEGlyphID glyph, LEPoint &advance) const; | |
| 60 | ||
| 61 | virtual le_bool getGlyphPoint(LEGlyphID glyph, le_int32 pointNumber, LEPoint &point) const; | |
| 62 | ||
| 63 | float getXPixelsPerEm() const; | |
| 64 | ||
| 65 | float getYPixelsPerEm() const; | |
| 66 | ||
| 67 | float getScaleFactorX() const; | |
| 68 | ||
| 69 | float getScaleFactorY() const; | |
| 70 | ||
| 71 | }; | |
| 72 | ||
| 73 | #endif |