| | 1 | /* |
| | 2 | ******************************************************************************* |
| | 3 | * |
| | 4 | * © 2016 and later: Unicode, Inc. and others. |
| | 5 | * License & terms of use: http://www.unicode.org/copyright.html#License |
| | 6 | * |
| | 7 | ******************************************************************************* |
| | 8 | ******************************************************************************* |
| | 9 | * |
| | 10 | * Copyright (C) 1999-2013, International Business Machines |
| | 11 | * Corporation and others. All Rights Reserved. |
| | 12 | * |
| | 13 | ******************************************************************************* |
| | 14 | * file name: SimpleFontInstance.h |
| | 15 | * |
| | 16 | * created on: 03/30/2006 |
| | 17 | * created by: Eric R. Mader |
| | 18 | */ |
| | 19 | |
| | 20 | #ifndef __SIMPLEFONTINSTANCE_H |
| | 21 | #define __SIMPLEFONTINSTANCE_H |
| | 22 | |
| | 23 | #include "layout/LETypes.h" |
| | 24 | #include "layout/LEFontInstance.h" |
| | 25 | |
| | 26 | U_NAMESPACE_USE |
| | 27 | |
| | 28 | class SimpleFontInstance : public LEFontInstance |
| | 29 | { |
| | 30 | private: |
| | 31 | float fPointSize; |
| | 32 | le_int32 fAscent; |
| | 33 | le_int32 fDescent; |
| | 34 | |
| | 35 | protected: |
| | 36 | const void *readFontTable(LETag tableTag) const; |
| | 37 | |
| | 38 | public: |
| | 39 | SimpleFontInstance(float pointSize, LEErrorCode &status); |
| | 40 | |
| | 41 | virtual ~SimpleFontInstance(); |
| | 42 | |
| | 43 | virtual const void *getFontTable(LETag tableTag) const; |
| | 44 | |
| | 45 | virtual le_int32 getUnitsPerEM() const; |
| | 46 | |
| | 47 | virtual le_int32 getAscent() const; |
| | 48 | |
| | 49 | virtual le_int32 getDescent() const; |
| | 50 | |
| | 51 | virtual le_int32 getLeading() 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, le_bool filterZeroWidth) const; |
| | 56 | |
| | 57 | // We really want to inherit this method from the superclass, but some compilers |
| | 58 | // issue a warning if we don't implement it... |
| | 59 | virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch, const LECharMapper *mapper) const; |
| | 60 | |
| | 61 | virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch) const; |
| | 62 | |
| | 63 | virtual void getGlyphAdvance(LEGlyphID glyph, LEPoint &advance) const; |
| | 64 | |
| | 65 | virtual le_bool getGlyphPoint(LEGlyphID glyph, le_int32 pointNumber, LEPoint &point) const; |
| | 66 | |
| | 67 | float getXPixelsPerEm() const; |
| | 68 | |
| | 69 | float getYPixelsPerEm() const; |
| | 70 | |
| | 71 | float getScaleFactorX() const; |
| | 72 | |
| | 73 | float getScaleFactorY() const; |
| | 74 | |
| | 75 | }; |
| | 76 | |
| | 77 | #endif |
projects / apple / icu.git / blame_incremental