michael@0: 
michael@0: /*
michael@0:  * Copyright 2010 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #ifndef SkPDFFormXObject_DEFINED
michael@0: #define SkPDFFormXObject_DEFINED
michael@0: 
michael@0: #include "SkPDFStream.h"
michael@0: #include "SkPDFTypes.h"
michael@0: #include "SkRect.h"
michael@0: #include "SkRefCnt.h"
michael@0: #include "SkPDFResourceDict.h"
michael@0: #include "SkString.h"
michael@0: 
michael@0: class SkMatrix;
michael@0: class SkPDFDevice;
michael@0: class SkPDFCatalog;
michael@0: 
michael@0: /** \class SkPDFFormXObject
michael@0: 
michael@0:     A form XObject; a self contained description of graphics objects.  A form
michael@0:     XObject is basically a page object with slightly different syntax, that
michael@0:     can be drawn onto a page.
michael@0: */
michael@0: 
michael@0: // The caller could keep track of the form XObjects it creates and
michael@0: // canonicalize them, but the Skia API doesn't provide enough context to
michael@0: // automatically do it (trivially).
michael@0: class SkPDFFormXObject : public SkPDFStream {
michael@0: public:
michael@0:     /** Create a PDF form XObject. Entries for the dictionary entries are
michael@0:      *  automatically added.
michael@0:      *  @param device      The set of graphical elements on this form.
michael@0:      */
michael@0:     explicit SkPDFFormXObject(SkPDFDevice* device);
michael@0:     /**
michael@0:      * Create a PDF form XObject from a raw content stream and associated
michael@0:      * resources.
michael@0:      */
michael@0:     explicit SkPDFFormXObject(SkStream* content,
michael@0:                               SkRect bbox,
michael@0:                               SkPDFResourceDict* resourceDict);
michael@0:     virtual ~SkPDFFormXObject();
michael@0: 
michael@0:     // The SkPDFObject interface.
michael@0:     virtual void getResources(const SkTSet<SkPDFObject*>& knownResourceObjects,
michael@0:                               SkTSet<SkPDFObject*>* newResourceObjects);
michael@0: 
michael@0: private:
michael@0:     void init(const char* colorSpace,
michael@0:               SkPDFDict* resourceDict, SkPDFArray* bbox);
michael@0: 
michael@0:     SkTSet<SkPDFObject*> fResources;
michael@0: };
michael@0: 
michael@0: #endif