Implemented transparent gradients

src/pdf/SkPDFFormXObject.h

 
 /*
  * Copyright 2010 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkPDFFormXObject_DEFINED
 #define SkPDFFormXObject_DEFINED
 
 #include "SkPDFStream.h"
 #include "SkPDFTypes.h"
+#include "SkRect.h"
 #include "SkRefCnt.h"
+#include "SkPDFResourceDict.h"
 #include "SkString.h"
 
 class SkMatrix;
 class SkPDFDevice;
 class SkPDFCatalog;
 
 /** \class SkPDFFormXObject
 
     A form XObject; a self contained description of graphics objects.  A form
     XObject is basically a page object with slightly different syntax, that
     can be drawn onto a page.
 */
 
 // The caller could keep track of the form XObjects it creates and
 // canonicalize them, but the Skia API doesn't provide enough context to
 // automatically do it (trivially).
 class SkPDFFormXObject : public SkPDFStream {
 public:
     /** Create a PDF form XObject. Entries for the dictionary entries are
      *  automatically added.
      *  @param device      The set of graphical elements on this form.
      */
     explicit SkPDFFormXObject(SkPDFDevice* device);
+    /**
+     * Create a PDF form XObject from a raw content stream and associated
+     * resources.
+     */
+    explicit SkPDFFormXObject(SkStream* content,
+                              SkRect bbox,
+                              SkPDFResourceDict* resourceDict);
     virtual ~SkPDFFormXObject();
 
     // The SkPDFObject interface.
     virtual void getResources(const SkTSet<SkPDFObject*>& knownResourceObjects,
                               SkTSet<SkPDFObject*>* newResourceObjects);
 
 private:
+    void init(const char* colorSpace,
+              SkPDFDict* resourceDict, SkPDFArray* bbox);
+
     SkTSet<SkPDFObject*> fResources;
 };
 
 #endif