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31 #ifndef ReferenceFilterBuilder_h
32 #define ReferenceFilterBuilder_h
34 #include "core/fetch/DocumentResourceReference.h"
35 #include "platform/graphics/filters/FilterEffect.h"
36 #include "wtf/HashMap.h"
37 #include "wtf/PassRefPtr.h"
43 class FilterOperation;
44 class ReferenceFilterOperation;
47 class ReferenceFilterBuilder {
49 static DocumentResourceReference* documentResourceReference(const FilterOperation*);
50 static void setDocumentResourceReference(const FilterOperation*, PassOwnPtr<DocumentResourceReference>);
51 static void clearDocumentResourceReference(const FilterOperation*);
53 static PassRefPtr<FilterEffect> build(Filter*, RenderObject* renderer, FilterEffect* previousEffect, const ReferenceFilterOperation*);
56 static HashMap<const FilterOperation*, OwnPtr<DocumentResourceReference> >* documentResourceReferences;
61 #endif // ReferenceFilterBuilder_h