change gpudevice and pdfdevice to inherit from basedevice

include/pdf/SkPDFDevice.h

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkPDFDevice_DEFINED
 #define SkPDFDevice_DEFINED
 
-#include "SkBitmapDevice.h"
+#include "SkDevice.h"
 #include "SkBitmap.h"
 #include "SkCanvas.h"
 #include "SkPaint.h"
 #include "SkPath.h"
 #include "SkPicture.h"
 #include "SkRect.h"
 #include "SkRefCnt.h"
 #include "SkStream.h"
 #include "SkTDArray.h"
 #include "SkTemplates.h"
@@ skipping 14 matching lines @@
 
 // Private classes.
 struct ContentEntry;
 struct GraphicStateEntry;
 struct NamedDestination;
 
 /** \class SkPDFDevice
 
     The drawing context for the PDF backend.
 */
-class SkPDFDevice : public SkBitmapDevice {
+class SkPDFDevice : public SkBaseDevice {
 public:
     /** Create a PDF drawing context with the given width and height.
      *  72 points/in means letter paper is 612x792.
      *  @param pageSize Page size in points.
      *  @param contentSize The content size of the page in points. This will be
      *         combined with the initial transform to determine the drawing area
      *         (as reported by the width and height methods). Anything outside
      *         of the drawing area will be clipped.
      *  @param initialTransform The initial transform to apply to the page.
      *         This may be useful to, for example, move the origin in and
@@ skipping 16 matching lines @@
     /** These are called inside the per-device-layer loop for each draw call.
      When these are called, we have already applied any saveLayer operations,
      and are handling any looping from the paint, and any effects from the
      DrawFilter.
      */
     virtual void drawPaint(const SkDraw&, const SkPaint& paint) SK_OVERRIDE;
     virtual void drawPoints(const SkDraw&, SkCanvas::PointMode mode,
                             size_t count, const SkPoint[],
                             const SkPaint& paint) SK_OVERRIDE;
     virtual void drawRect(const SkDraw&, const SkRect& r, const SkPaint& paint);
-    virtual void drawRRect(const SkDraw&, const SkRRect& rr,
-                           const SkPaint& paint) SK_OVERRIDE;
+    virtual void drawOval(const SkDraw&, const SkRect& oval, const SkPaint& paint) SK_OVERRIDE;
+    virtual void drawRRect(const SkDraw&, const SkRRect& rr, const SkPaint& paint) SK_OVERRIDE;
     virtual void drawPath(const SkDraw&, const SkPath& origpath,
                           const SkPaint& paint, const SkMatrix* prePathMatrix,
                           bool pathIsMutable) SK_OVERRIDE;
     virtual void drawBitmapRect(const SkDraw& draw, const SkBitmap& bitmap,
                                 const SkRect* src, const SkRect& dst,
                                 const SkPaint& paint,
                                 SkCanvas::DrawBitmapRectFlags flags) SK_OVERRIDE;
     virtual void drawBitmap(const SkDraw&, const SkBitmap& bitmap,
                             const SkMatrix& matrix, const SkPaint&) SK_OVERRIDE;
     virtual void drawSprite(const SkDraw&, const SkBitmap& bitmap, int x, int y,
                             const SkPaint& paint) SK_OVERRIDE;
     virtual void drawText(const SkDraw&, const void* text, size_t len,
                           SkScalar x, SkScalar y, const SkPaint&) SK_OVERRIDE;
     virtual void drawPosText(const SkDraw&, const void* text, size_t len,
                              const SkScalar pos[], SkScalar constY,
                              int scalarsPerPos, const SkPaint&) SK_OVERRIDE;
     virtual void drawTextOnPath(const SkDraw&, const void* text, size_t len,
                                 const SkPath& path, const SkMatrix* matrix,
                                 const SkPaint& paint) SK_OVERRIDE;
     virtual void drawVertices(const SkDraw&, SkCanvas::VertexMode,
                               int vertexCount, const SkPoint verts[],
                               const SkPoint texs[], const SkColor colors[],
                               SkXfermode* xmode, const uint16_t indices[],
                               int indexCount, const SkPaint& paint) SK_OVERRIDE;
     virtual void drawDevice(const SkDraw&, SkBaseDevice*, int x, int y,
                             const SkPaint&) SK_OVERRIDE;
 
     virtual void onAttachToCanvas(SkCanvas* canvas) SK_OVERRIDE;
     virtual void onDetachFromCanvas() SK_OVERRIDE;
+    virtual SkImageInfo imageInfo() const SK_OVERRIDE;    
 
     enum DrawingArea {
         kContent_DrawingArea,  // Drawing area for the page content.
         kMargin_DrawingArea,   // Drawing area for the margin content.
     };
 
     /** Sets the drawing area for the device. Subsequent draw calls are directed
      *  to the specific drawing area (margin or content). The default drawing
      *  area is the content drawing area.
      *
@@ skipping 75 matching lines @@
      *              intent with better fidelity, but it can make for larger
      *              PDF files too, which would use more memory while rendering,
      *              and it would be slower to be processed or sent online or
      *              to printer.
      */
     void setRasterDpi(SkScalar rasterDpi) {
         fRasterDpi = rasterDpi;
     }
 
 protected:
-    virtual bool allowImageFilter(const SkImageFilter*) SK_OVERRIDE;
+    virtual const SkBitmap& onAccessBitmap() SK_OVERRIDE {
+        return fLegacyBitmap;
+    }
+
+    virtual bool allowImageFilter(const SkImageFilter*) SK_OVERRIDE {
+        return false;
+    }
+
+    virtual SkSurface* newSurface(const SkImageInfo&) SK_OVERRIDE;
 
 private:
     // TODO(vandebo): push most of SkPDFDevice's state into a core object in
     // order to get the right access levels without using friend.
     friend class ScopedContentEntry;
 
     SkISize fPageSize;
     SkISize fContentSize;
     SkMatrix fInitialTransform;
     SkClipStack fExistingClipStack;
@@ skipping 19 matching lines @@
     SkAutoTDelete<ContentEntry>* getContentEntries();
     ContentEntry* getLastContentEntry();
     void setLastContentEntry(ContentEntry* contentEntry);
 
     // Glyph ids used for each font on this device.
     SkAutoTDelete<SkPDFGlyphSetMap> fFontGlyphUsage;
 
     SkPicture::EncodeBitmap fEncoder;
     SkScalar fRasterDpi;
 
+    SkBitmap fLegacyBitmap;
+
     SkPDFDevice(const SkISize& layerSize, const SkClipStack& existingClipStack,
                 const SkRegion& existingClipRegion);
 
     // override from SkBaseDevice
     virtual SkBaseDevice* onCreateDevice(const SkImageInfo&, Usage) SK_OVERRIDE;
 
     void init();
     void cleanUp(bool clearFontUsage);
     SkPDFFormXObject* createFormXObjectFromDevice();
 
@@ skipping 55 matching lines @@
     bool handlePointAnnotation(const SkPoint* points, size_t count,
                                const SkMatrix& matrix, const SkPaint& paint);
     SkPDFDict* createLinkAnnotation(const SkRect& r, const SkMatrix& matrix);
     void handleLinkToURL(SkData* urlData, const SkRect& r,
                          const SkMatrix& matrix);
     void handleLinkToNamedDest(SkData* nameData, const SkRect& r,
                                const SkMatrix& matrix);
     void defineNamedDestination(SkData* nameData, const SkPoint& point,
                                 const SkMatrix& matrix);
 
-    typedef SkBitmapDevice INHERITED;
+    typedef SkBaseDevice INHERITED;
 
     // TODO(edisonn): Only SkDocument_PDF and SkPDFImageShader should be able to create
     // an SkPDFDevice
     //friend class SkDocument_PDF;
     //friend class SkPDFImageShader;
 };
 
 #endif