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| 1 #ifndef __DEFINED__SkPdfType4ShadingDictionary | |
| 2 #define __DEFINED__SkPdfType4ShadingDictionary | |
| 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 4 shading dictionary | |
| 10 class SkPdfType4ShadingDictionary : public SkPdfShadingDictionary { | |
| 11 public: | |
| 12 virtual SkPdfObjectType getType() const { return kType4ShadingDictionary_SkPdf
ObjectType;} | |
| 13 virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kType4Sh
adingDictionary_SkPdfObjectType + 1);} | |
| 14 public: | |
| 15 virtual SkPdfType4ShadingDictionary* asType4ShadingDictionary() {return this;} | |
| 16 virtual const SkPdfType4ShadingDictionary* asType4ShadingDictionary() 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 SkPdfType5ShadingDictionary* asType5ShadingDictionary() {return NULL;} | |
| 29 virtual const SkPdfType5ShadingDictionary* asType5ShadingDictionary() 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 SkPdfType4ShadingDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfO
bject* podofoObj = NULL) : SkPdfShadingDictionary(podofoDoc, podofoObj) {} | |
| 38 | |
| 39 SkPdfType4ShadingDictionary(const SkPdfType4ShadingDictionary& from) : SkPdfSh
adingDictionary(from.fPodofoDoc, from.fPodofoObj) {} | |
| 40 | |
| 41 virtual bool valid() const {return true;} | |
| 42 | |
| 43 SkPdfType4ShadingDictionary& operator=(const SkPdfType4ShadingDictionary& 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 /** (Required) The number of bits used to represent each color component. | |
| 54 * Valid values are 1, 2, 4, 8, 12, and 16. | |
| 55 **/ | |
| 56 bool has_BitsPerComponent() const { | |
| 57 return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "BitsP
erComponent", "", NULL)); | |
| 58 } | |
| 59 | |
| 60 long BitsPerComponent() const; | |
| 61 /** (Required) The number of bits used to represent the edge flag for each ver- | |
| 62 * tex (see below). Valid values of BitsPerFlag are 2, 4, and 8, but only the | |
| 63 * least significant 2 bits in each flag value are used. Valid values for the e
dge | |
| 64 * flag itself are 0, 1, and 2. | |
| 65 **/ | |
| 66 bool has_BitsPerFlag() const { | |
| 67 return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "BitsP
erFlag", "", NULL)); | |
| 68 } | |
| 69 | |
| 70 long BitsPerFlag() const; | |
| 71 /** (Required) An array of numbers specifying how to map vertex coordinates | |
| 72 * and color components into the appropriate ranges of values. The de- | |
| 73 * coding method is similar to that used in image dictionaries (see "Decode | |
| 74 * Arrays" on page 271). The ranges are specified as follows: | |
| 75 * [ xmin xmax ymin ymax c1,min c1,max ... cn,min cn,max ] | |
| 76 * Note that only one pair of c values should be specified if a Function entry | |
| 77 * is present. | |
| 78 **/ | |
| 79 bool has_Decode() const { | |
| 80 return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Decod
e", "", NULL)); | |
| 81 } | |
| 82 | |
| 83 SkRect* Decode() const; | |
| 84 /** (Optional) A 1-in, n-out function or an array of n 1-in, 1-out functions | |
| 85 * (where n is the number of color components in the shading dictionary's | |
| 86 * color space). If this entry is present, the color data for each vertex must
be | |
| 87 * specified by a single parametric variable rather than by n separate color | |
| 88 * components; the designated function(s) will be called with each interpo- | |
| 89 * lated value of the parametric variable to determine the actual color at each | |
| 90 * point. Each input value will be forced into the range interval specified for | |
| 91 * the corresponding color component in the shading dictionary's Decode | |
| 92 * array. Each function's domain must be a superset of that interval. If the | |
| 93 * value returned by the function for a given color component is out of | |
| 94 * range, it will be adjusted to the nearest valid value. | |
| 95 * This entry may not be used with an Indexed color space. | |
| 96 **/ | |
| 97 bool has_Function() const { | |
| 98 return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Funct
ion", "", NULL)); | |
| 99 } | |
| 100 | |
| 101 SkPdfFunction Function() const; | |
| 102 }; | |
| 103 | |
| 104 #endif // __DEFINED__SkPdfType4ShadingDictionary | |
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