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| 1 #ifndef __DEFINED__SkPdfType5ShadingDictionary |
| 2 #define __DEFINED__SkPdfType5ShadingDictionary |
| 3 |
| 4 #include "SkPdfUtils.h" |
| 5 #include "SkPdfEnums_autogen.h" |
| 6 #include "SkPdfArray_autogen.h" |
| 7 #include "SkPdfShadingDictionary_autogen.h" |
| 8 |
| 9 // Additional entries specific to a type 5 shading dictionary |
| 10 class SkPdfType5ShadingDictionary : public SkPdfShadingDictionary { |
| 11 public: |
| 12 virtual SkPdfObjectType getType() const { return kType5ShadingDictionary_SkPdf
ObjectType;} |
| 13 virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kType5Sh
adingDictionary_SkPdfObjectType + 1);} |
| 14 public: |
| 15 virtual SkPdfType5ShadingDictionary* asType5ShadingDictionary() {return this;} |
| 16 virtual const SkPdfType5ShadingDictionary* asType5ShadingDictionary() const {r
eturn this;} |
| 17 |
| 18 private: |
| 19 virtual SkPdfType1ShadingDictionary* asType1ShadingDictionary() {return NULL;} |
| 20 virtual const SkPdfType1ShadingDictionary* asType1ShadingDictionary() const {r
eturn NULL;} |
| 21 |
| 22 virtual SkPdfType2ShadingDictionary* asType2ShadingDictionary() {return NULL;} |
| 23 virtual const SkPdfType2ShadingDictionary* asType2ShadingDictionary() const {r
eturn NULL;} |
| 24 |
| 25 virtual SkPdfType3ShadingDictionary* asType3ShadingDictionary() {return NULL;} |
| 26 virtual const SkPdfType3ShadingDictionary* asType3ShadingDictionary() const {r
eturn NULL;} |
| 27 |
| 28 virtual SkPdfType4ShadingDictionary* asType4ShadingDictionary() {return NULL;} |
| 29 virtual const SkPdfType4ShadingDictionary* asType4ShadingDictionary() const {r
eturn NULL;} |
| 30 |
| 31 virtual SkPdfType6ShadingDictionary* asType6ShadingDictionary() {return NULL;} |
| 32 virtual const SkPdfType6ShadingDictionary* asType6ShadingDictionary() const {r
eturn NULL;} |
| 33 |
| 34 public: |
| 35 private: |
| 36 public: |
| 37 SkPdfType5ShadingDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfO
bject* podofoObj = NULL) : SkPdfShadingDictionary(podofoDoc, podofoObj) {} |
| 38 |
| 39 SkPdfType5ShadingDictionary(const SkPdfType5ShadingDictionary& from) : SkPdfSh
adingDictionary(from.fPodofoDoc, from.fPodofoObj) {} |
| 40 |
| 41 virtual bool valid() const {return true;} |
| 42 |
| 43 SkPdfType5ShadingDictionary& operator=(const SkPdfType5ShadingDictionary& from
) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; retur
n *this;} |
| 44 |
| 45 /** (Required) The number of bits used to represent each vertex coordinate. |
| 46 * Valid values are 1, 2, 4, 8, 12, 16, 24, and 32. |
| 47 **/ |
| 48 bool has_BitsPerCoordinate() const { |
| 49 return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "BitsP
erCoordinate", "", NULL)); |
| 50 } |
| 51 |
| 52 long BitsPerCoordinate() const { |
| 53 long ret; |
| 54 if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "BitsPerCoor
dinate", "", &ret)) return ret; |
| 55 // TODO(edisonn): warn about missing required field, assert for known good p
dfs |
| 56 return 0; |
| 57 } |
| 58 |
| 59 /** (Required) The number of bits used to represent each color component. |
| 60 * Valid values are 1, 2, 4, 8, 12, and 16. |
| 61 **/ |
| 62 bool has_BitsPerComponent() const { |
| 63 return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "BitsP
erComponent", "", NULL)); |
| 64 } |
| 65 |
| 66 long BitsPerComponent() const { |
| 67 long ret; |
| 68 if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "BitsPerComp
onent", "", &ret)) return ret; |
| 69 // TODO(edisonn): warn about missing required field, assert for known good p
dfs |
| 70 return 0; |
| 71 } |
| 72 |
| 73 /** (Required) The number of vertices in each row of the lattice; the value |
| 74 * must be greater than or equal to 2. The number of rows need not be |
| 75 * specified. |
| 76 **/ |
| 77 bool has_VerticesPerRow() const { |
| 78 return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Verti
cesPerRow", "", NULL)); |
| 79 } |
| 80 |
| 81 long VerticesPerRow() const { |
| 82 long ret; |
| 83 if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "VerticesPer
Row", "", &ret)) return ret; |
| 84 // TODO(edisonn): warn about missing required field, assert for known good p
dfs |
| 85 return 0; |
| 86 } |
| 87 |
| 88 /** (Required) An array of numbers specifying how to map vertex coordinates |
| 89 * and color components into the appropriate ranges of values. The de- |
| 90 * coding method is similar to that used in image dictionaries (see "Decode |
| 91 * Arrays" on page 271). The ranges are specified as follows: |
| 92 * [ xmin xmax ymin ymax c1,min c1,max ... cn,min cn,max ] |
| 93 * Note that only one pair of c values should be specified if a Function entry |
| 94 * is present. |
| 95 **/ |
| 96 bool has_Decode() const { |
| 97 return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Decod
e", "", NULL)); |
| 98 } |
| 99 |
| 100 SkPdfArray* Decode() const { |
| 101 SkPdfArray* ret; |
| 102 if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Decode", "
", &ret)) return ret; |
| 103 // TODO(edisonn): warn about missing required field, assert for known good p
dfs |
| 104 return NULL; |
| 105 } |
| 106 |
| 107 /** (Optional) A 1-in, n-out function or an array of n 1-in, 1-out functions |
| 108 * (where n is the number of color components in the shading dictionary's |
| 109 * color space). If this entry is present, the color data for each vertex must
be |
| 110 * specified by a single parametric variable rather than by n separate color |
| 111 * components; the designated function(s) will be called with each interpo- |
| 112 * lated value of the parametric variable to determine the actual color at each |
| 113 * point. Each input value will be forced into the range interval specified for |
| 114 * the corresponding color component in the shading dictionary's Decode |
| 115 * array. Each function's domain must be a superset of that interval. If the |
| 116 * value returned by the function for a given color component is out of |
| 117 * range, it will be adjusted to the nearest valid value. |
| 118 * This entry may not be used with an Indexed color space. |
| 119 **/ |
| 120 bool has_Function() const { |
| 121 return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Funct
ion", "", NULL)); |
| 122 } |
| 123 |
| 124 SkPdfFunction Function() const { |
| 125 SkPdfFunction ret; |
| 126 if (FunctionFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Functio
n", "", &ret)) return ret; |
| 127 // TODO(edisonn): warn about missing required field, assert for known good p
dfs |
| 128 return SkPdfFunction(); |
| 129 } |
| 130 |
| 131 }; |
| 132 |
| 133 #endif // __DEFINED__SkPdfType5ShadingDictionary |
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