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      1 
      2 /*
      3  * Copyright 2010 The Android Open Source Project
      4  *
      5  * Use of this source code is governed by a BSD-style license that can be
      6  * found in the LICENSE file.
      7  */
      8 
      9 
     10 #ifndef SkPDFFormXObject_DEFINED
     11 #define SkPDFFormXObject_DEFINED
     12 
     13 #include "SkPDFStream.h"
     14 #include "SkPDFTypes.h"
     15 #include "SkRefCnt.h"
     16 #include "SkString.h"
     17 
     18 class SkMatrix;
     19 class SkPDFDevice;
     20 class SkPDFCatalog;
     21 
     22 /** \class SkPDFFormXObject
     23 
     24     A form XObject; a self contained description of graphics objects.  A form
     25     XObject is basically a page object with slightly different syntax, that
     26     can be drawn onto a page.
     27 */
     28 
     29 // The caller could keep track of the form XObjects it creates and
     30 // canonicalize them, but the Skia API doesn't provide enough context to
     31 // automatically do it (trivially).
     32 class SkPDFFormXObject : public SkPDFStream {
     33 public:
     34     /** Create a PDF form XObject. Entries for the dictionary entries are
     35      *  automatically added.
     36      *  @param device      The set of graphical elements on this form.
     37      */
     38     explicit SkPDFFormXObject(SkPDFDevice* device);
     39     virtual ~SkPDFFormXObject();
     40 
     41     // The SkPDFObject interface.
     42     virtual void getResources(SkTDArray<SkPDFObject*>* resourceList);
     43 
     44 private:
     45     SkTDArray<SkPDFObject*> fResources;
     46 };
     47 
     48 #endif
     49