icuSources/test/letest/SimpleFontInstance.h

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