use SkDocument to capture pdfs from SampleApp 'e'

samplecode/SampleApp.h

 /*
  * Copyright 2011 Skia
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SampleApp_DEFINED
 #define SampleApp_DEFINED
 
 #include "SkOSMenu.h"
 #include "SkPath.h"
 #include "SkPicture.h"
 #include "SkPictureRecorder.h"
 #include "SkScalar.h"
 #include "SkTDArray.h"
 #include "SkTouchGesture.h"
 #include "SkWindow.h"
 
 class GrContext;
 class GrRenderTarget;
 
 class SkCanvas;
 class SkData;
+class SkDocument;
 class SkEvent;
 class SkTypeface;
 class SkViewFactory;
 
 class SampleWindow : public SkOSWindow {
     SkTDArray<const SkViewFactory*> fSamples;
 public:
     enum DeviceType {
         kRaster_DeviceType,
         kPicture_DeviceType,
@@ skipping 90 matching lines @@
     void setZoomCenter(float x, float y);
     void changeZoomLevel(float delta);
     bool nextSample();
     bool previousSample();
     bool goToSample(int i);
     SkString getSampleTitle(int i);
     int  sampleCount();
     bool handleTouch(int ownerId, float x, float y,
             SkView::Click::State state);
     void saveToPdf();
-    SkData* getPDFData() { return fPDFData; }
     void postInvalDelay();
 
     DeviceType getDeviceType() const { return fDeviceType; }
 
 protected:
     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE;
     virtual bool onHandleKey(SkKey key) SK_OVERRIDE;
     virtual bool onHandleChar(SkUnichar) SK_OVERRIDE;
     virtual void onSizeChange() SK_OVERRIDE;
 
@@ skipping 20 matching lines @@
     SkPath fClipPath;
 
     SkTouchGesture fGesture;
     SkScalar fZoomLevel;
     SkScalar fZoomScale;
 
     DeviceType fDeviceType;
     DeviceManager* fDevManager;
 
     bool fSaveToPdf;
-    SkCanvas* fPdfCanvas;
-    SkData* fPDFData;
+    SkAutoTUnref<SkDocument> fPDFDocument;
 
     bool fUseClip;
     bool fNClip;
     bool fAnimating;
     bool fRotate;
     SkScalar fRotateAnimTime;
     bool fPerspAnim;
     SkScalar fPerspAnimTime;
     bool fRequestGrabImage;
     bool fMeasureFPS;
@@ skipping 31 matching lines @@
     //Stores global settings
     SkOSMenu* fAppMenu; // We pass ownership to SkWindow, when we call addMenu
     //Stores slide specific settings
     SkOSMenu* fSlideMenu; // We pass ownership to SkWindow, when we call addMenu
 
     int fTransitionNext;
     int fTransitionPrev;
 
     void loadView(SkView*);
     void updateTitle();
+    bool getRawTitle(SkString*);
 
     bool zoomIn();
     bool zoomOut();
     void updatePointer(int x, int y);
     void magnify(SkCanvas* canvas);
     void showZoomer(SkCanvas* canvas);
     void updateMatrix();
     void postAnimatingEvent();
     void installDrawFilter(SkCanvas*);
     int findByTitle(const char*);
     void listTitles();
     SkSize tileSize() const;
 
     typedef SkOSWindow INHERITED;
 };
 
 #endif