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-rw-r--r--include/pdf/SkPDFDevice.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/include/pdf/SkPDFDevice.h b/include/pdf/SkPDFDevice.h
index 90379f9f6b..f8261b5da1 100644
--- a/include/pdf/SkPDFDevice.h
+++ b/include/pdf/SkPDFDevice.h
@@ -30,6 +30,7 @@ class SkPDFGraphicState;
class SkPDFObject;
class SkPDFShader;
class SkPDFStream;
+template <typename T> class SK_API SkTSet;
// Private classes.
struct ContentEntry;
@@ -132,12 +133,19 @@ public:
SK_API SkPDFDict* getResourceDict();
/** Get the list of resources (PDF objects) used on this page.
- * @param resourceList A list to append the resources to.
+ * This method will add to newResourceObjects any objects that this method
+ * depends on, but not already in knownResourceObjects. This might operate
+ * recursively so if this object depends on another object and that object
+ * depends on two more, all three objects will be added.
+ *
+ * @param knownResourceObjects The set of resources to be ignored.
+ * @param newResourceObjects The set to append dependant resources to.
* @param recursive If recursive is true, get the resources of the
* device's resources recursively. (Useful for adding
* objects to the catalog.)
*/
- SK_API void getResources(SkTDArray<SkPDFObject*>* resourceList,
+ SK_API void getResources(const SkTSet<SkPDFObject*>& knownResourceObjects,
+ SkTSet<SkPDFObject*>* newResourceObjects,
bool recursive) const;
/** Get the fonts used on this device.