source/test/letest/PortableFontInstance.h - Issue 2435373002: Delete source/test

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Issue 2435373002: Delete source/test (Closed)

Patch Set: Created 4 years, 2 months ago

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1

2 /*

3 *******************************************************************************

4 *

5 * Copyright (C) 1999-2015, International Business Machines

6 * Corporation and others. All Rights Reserved.

7 *

8 *******************************************************************************

9 * file name: PortableFontInstance.h

10 *

11 * created on: 11/12/1999

12 * created by: Eric R. Mader

13 */

14

15 #ifndef __PORTABLEFONTINSTANCE_H

16 #define __PORTABLEFONTINSTANCE_H

17

18 #include <stdio.h>

19

20 #include "layout/LETypes.h"

21 #include "layout/LEFontInstance.h"

22

23 #include "FontTableCache.h"

24

25 #include "sfnt.h"

26 #include "cmaps.h"

27

28 class PortableFontInstance : public LEFontInstance, protected FontTableCache

29 {

30 private:

31 FILE *fFile;

32

33 float fPointSize;

34 le_int32 fUnitsPerEM;

35 le_uint32 fFontChecksum;

36 le_int32 fAscent;

37 le_int32 fDescent;

38 le_int32 fLeading;

39

40 const SFNTDirectory *fDirectory;

41 le_uint16 fDirPower;

42 le_uint16 fDirExtra;

43

44 float fDeviceScaleX;

45 float fDeviceScaleY;

46

47 const NAMETable *fNAMETable;

48 le_uint16 fNameCount;

49 le_uint16 fNameStringOffset;

50

51 CMAPMapper *fCMAPMapper;

52

53 const HMTXTable *fHMTXTable;

54 le_uint16 fNumGlyphs;

55 le_uint16 fNumLongHorMetrics;

56

57 static le_int8 highBit(le_int32 value);

58

59 const DirectoryEntry *findTable(LETag tag) const;

60 const void readTable(LETag tag, le_uint32 length) const;

61 void getMetrics();

62

63 CMAPMapper *findUnicodeMapper();

64

65 protected:

66 const void *readFontTable(LETag tableTag) const { size_t ignored; return rea dFontTable(tableTag, ignored); }

67 const void *readFontTable(LETag tableTag, size_t &length) const;

68

69 public:

70 PortableFontInstance(const char *fileName, float pointSize, LEErrorCode &sta tus);

71

72 virtual ~PortableFontInstance();

73

74 virtual const void *getFontTable(LETag tableTag, size_t &length) const;

75

76 virtual const char *getNameString(le_uint16 nameID, le_uint16 platform, le_u int16 encoding, le_uint16 language) const;

77

78 virtual const LEUnicode16 *getUnicodeNameString(le_uint16 nameID, le_uint16 platform, le_uint16 encoding, le_uint16 language) const;

79

80 virtual void deleteNameString(const char *name) const;

81

82 virtual void deleteNameString(const LEUnicode16 *name) const;

83

84 virtual le_int32 getUnitsPerEM() const;

85

86 virtual le_uint32 getFontChecksum() const;

87

88 virtual le_uint32 getRawChecksum() const;

89

90 virtual le_int32 getAscent() const;

91

92 virtual le_int32 getDescent() const;

93

94 virtual le_int32 getLeading() const;

95

96 // We really want to inherit this method from the superclass, but some compi lers

97 // issue a warning if we don't implement it...

98 virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch, const LECharMapper *mapper, le_bool filterZeroWidth) const;

99

100 // We really want to inherit this method from the superclass, but some compi lers

101 // issue a warning if we don't implement it...

102 virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch, const LECharMapper *mapper) const;

103

104 virtual LEGlyphID mapCharToGlyph(LEUnicode32 ch) const;

105

106 virtual void getGlyphAdvance(LEGlyphID glyph, LEPoint &advance) const;

107

108 virtual le_bool getGlyphPoint(LEGlyphID glyph, le_int32 pointNumber, LEPoint &point) const;

109

110 float getXPixelsPerEm() const;

111

112 float getYPixelsPerEm() const;

113

114 float getScaleFactorX() const;

115

116 float getScaleFactorY() const;

117

118 };

119

120 #endif

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