experimental/PdfViewer/SkPdfType3FontDictionary_autogen.h - Issue 17748002: Basic support for Type3 Fonts in Pdf + various refactorings

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Issue 17748002: Basic support for Type3 Fonts in Pdf + various refactorings (Closed) Base URL: http://skia.googlecode.com/svn/trunk/

Patch Set: Created 7 years, 5 months ago

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1 #ifndef __DEFINED__SkPdfType3FontDictionary

2 #define __DEFINED__SkPdfType3FontDictionary

3

4 #include "SkPdfEnums_autogen.h"

5 #include "SkPdfArray_autogen.h"

6 #include "SkPdfType0FontDictionary_autogen.h"

7

8 // Entries in a Type 3 font dictionary

9 class SkPdfType3FontDictionary : public SkPdfType0FontDictionary {

10 public:

11 virtual SkPdfObjectType getType() const { return kType3FontDictionary_SkPdfObj ectType;}

12 virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kType3Fo ntDictionary_SkPdfObjectType + 1);}

13 public:

14 virtual SkPdfType3FontDictionary* asType3FontDictionary() {return this;}

15 virtual const SkPdfType3FontDictionary* asType3FontDictionary() const {return this;}

16

17 private:

18 public:

19 private:

20 public:

21 SkPdfType3FontDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfObje ct* podofoObj = NULL) : SkPdfType0FontDictionary(podofoDoc, podofoObj) {}

22

23 virtual bool valid() const {return true;}

24

25 SkPdfType3FontDictionary& operator=(const SkPdfType3FontDictionary& from) {thi s->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *thi s;}

26

27 /** (Required) The type of PDF object that this dictionary describes; must be

28 * Font for a font dictionary.

29 **/

30 bool has_Type() const {

31 return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Type" , "", NULL));

32 }

33

34 std::string Type() const {

35 std::string ret;

36 if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Type", "", &ret)) return ret;

37 // TODO(edisonn): warn about missing required field, assert for known good p dfs

38 return "";

39 }

40

41 /** (Required) The type of font; must be Type3 for a Type 3 font.

42 **/

43 bool has_Subtype() const {

44 return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Subty pe", "", NULL));

45 }

46

47 std::string Subtype() const {

48 std::string ret;

49 if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Subtype", " ", &ret)) return ret;

50 // TODO(edisonn): warn about missing required field, assert for known good p dfs

51 return "";

52 }

53

54 /** (Required in PDF 1.0; optional otherwise) See Table 5.8 on page 317.

55 **/

56 bool has_Name() const {

57 return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Name" , "", NULL));

58 }

59

60 std::string Name() const {

61 std::string ret;

62 if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Name", "", &ret)) return ret;

63 // TODO(edisonn): warn about missing required field, assert for known good p dfs

64 return "";

65 }

66

67 /** (Required) A rectangle (see Section 3.8.3, "Rectangles"), expressed in the

68 * glyph coordinate system, specifying the font bounding box. This is the small -

69 * est rectangle enclosing the shape that would result if all of the glyphs of the

70 * font were placed with their origins coincident and then filled.

71 * If all four elements of the rectangle are zero, no assumptions are made base d

72 * on the font bounding box. If any element is nonzero, it is essential that th e

73 * font bounding box be accurate; if any glyph's marks fall outside this bound-

74 * ing box, incorrect behavior may result.

75 **/

76 bool has_FontBBox() const {

77 return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "FontB Box", "", NULL));

78 }

79

80 SkRect FontBBox() const {

81 SkRect ret;

82 if (SkRectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "FontBBox" , "", &ret)) return ret;

83 // TODO(edisonn): warn about missing required field, assert for known good p dfs

84 return SkRect();

85 }

86

87 /** (Required) An array of six numbers specifying the font matrix, mapping

88 * glyph space to text space (see Section 5.1.3, "Glyph Positioning and

89 * Metrics"). A common practice is to define glyphs in terms of a 1000-unit

90 **/

91 bool has_FontMatrix() const {

92 return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "FontM atrix", "", NULL));

93 }

94

95 SkPdfArray FontMatrix() const {

96 SkPdfArray ret;

97 if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "FontMatrix ", "", &ret)) return ret;

98 // TODO(edisonn): warn about missing required field, assert for known good p dfs

99 return SkPdfArray();

100 }

101

102 };

103

104 #endif // __DEFINED__SkPdfType3FontDictionary

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