Split SkDevice into SkBaseDevice and SkBitmapDevice

src/utils/SkDeferredCanvas.cpp

 
 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkDeferredCanvas.h"
 
+#include "SkBitmapDevice.h"
 #include "SkChunkAlloc.h"
 #include "SkColorFilter.h"
-#include "SkDevice.h"
 #include "SkDrawFilter.h"
 #include "SkGPipe.h"
 #include "SkPaint.h"
 #include "SkPaintPriv.h"
 #include "SkRRect.h"
 #include "SkShader.h"
 #include "SkSurface.h"
 
 enum {
     // Deferred canvas will auto-flush when recording reaches this limit
@@ skipping 106 matching lines @@
         fBlock = NULL;
     }
 
     // Release all allocated blocks
     fAllocator.reset();
 }
 
 //-----------------------------------------------------------------------------
 // DeferredDevice
 //-----------------------------------------------------------------------------
-class DeferredDevice : public SkDevice {
+class DeferredDevice : public SkBitmapDevice {
 public:
-    explicit DeferredDevice(SkDevice* immediateDevice);
+    explicit DeferredDevice(SkBaseDevice* immediateDevice);
     explicit DeferredDevice(SkSurface* surface);
     ~DeferredDevice();
 
     void setNotificationClient(SkDeferredCanvas::NotificationClient* notificationClient);
     SkCanvas* recordingCanvas();
     SkCanvas* immediateCanvas() const {return fImmediateCanvas;}
-    SkDevice* immediateDevice() const {return fImmediateCanvas->getTopDevice();}
+    SkBaseDevice* immediateDevice() const {return fImmediateCanvas->getTopDevice();}
     SkImage* newImageSnapshot();
     void setSurface(SkSurface* surface);
     bool isFreshFrame();
     bool hasPendingCommands();
     size_t storageAllocatedForRecording() const;
     size_t freeMemoryIfPossible(size_t bytesToFree);
     size_t getBitmapSizeThreshold() const;
     void setBitmapSizeThreshold(size_t sizeThreshold);
     void flushPendingCommands(PlaybackMode);
     void skipPendingCommands();
     void setMaxRecordingStorage(size_t);
     void recordedDrawCommand();
 
     virtual uint32_t getDeviceCapabilities() SK_OVERRIDE;
     virtual int width() const SK_OVERRIDE;
     virtual int height() const SK_OVERRIDE;
     virtual GrRenderTarget* accessRenderTarget() SK_OVERRIDE;
 
-    virtual SkDevice* onCreateCompatibleDevice(SkBitmap::Config config,
-                                               int width, int height,
-                                               bool isOpaque,
-                                               Usage usage) SK_OVERRIDE;
+    virtual SkBaseDevice* onCreateCompatibleDevice(SkBitmap::Config config,
+                                                   int width, int height,
+                                                   bool isOpaque,
+                                                   Usage usage) SK_OVERRIDE;
 
     virtual void writePixels(const SkBitmap& bitmap, int x, int y,
                                 SkCanvas::Config8888 config8888) SK_OVERRIDE;
 
 protected:
-    virtual const SkBitmap& onAccessBitmap(SkBitmap*) SK_OVERRIDE;
+    virtual const SkBitmap& onAccessBitmap() SK_OVERRIDE;
     virtual bool onReadPixels(const SkBitmap& bitmap,
                                 int x, int y,
                                 SkCanvas::Config8888 config8888) SK_OVERRIDE;
 
     // The following methods are no-ops on a deferred device
-    virtual bool filterTextFlags(const SkPaint& paint, TextFlags*)
-        SK_OVERRIDE
-        {return false;}
+    virtual bool filterTextFlags(const SkPaint& paint, TextFlags*) SK_OVERRIDE {
+        return false;
+    }
 
     // None of the following drawing methods should ever get called on the
     // deferred device
     virtual void clear(SkColor color) SK_OVERRIDE
         {SkASSERT(0);}
     virtual void drawPaint(const SkDraw&, const SkPaint& paint) SK_OVERRIDE
         {SkASSERT(0);}
     virtual void drawPoints(const SkDraw&, SkCanvas::PointMode mode,
                             size_t count, const SkPoint[],
                             const SkPaint& paint) SK_OVERRIDE
@@ skipping 31 matching lines @@
                                     const SkPath& path,
                                     const SkMatrix* matrix) SK_OVERRIDE
         {SkASSERT(0);}
 #endif
     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
         {SkASSERT(0);}
-    virtual void drawDevice(const SkDraw&, SkDevice*, int x, int y,
+    virtual void drawDevice(const SkDraw&, SkBaseDevice*, int x, int y,
                             const SkPaint&) SK_OVERRIDE
         {SkASSERT(0);}
 private:
     virtual void flush() SK_OVERRIDE;
 
     void beginRecording();
     void init();
     void aboutToDraw();
     void prepareForImmediatePixelWrite();
 
     DeferredPipeController fPipeController;
     SkGPipeWriter  fPipeWriter;
     SkCanvas* fImmediateCanvas;
     SkCanvas* fRecordingCanvas;
     SkSurface* fSurface;
     SkDeferredCanvas::NotificationClient* fNotificationClient;
     bool fFreshFrame;
     bool fCanDiscardCanvasContents;
     size_t fMaxRecordingStorageBytes;
     size_t fPreviousStorageAllocated;
     size_t fBitmapSizeThreshold;
 };
 
-DeferredDevice::DeferredDevice(SkDevice* immediateDevice)
-    : SkDevice(SkBitmap::kNo_Config,
-               immediateDevice->width(), immediateDevice->height(),
-               immediateDevice->isOpaque(),
-               immediateDevice->getDeviceProperties()) {
+DeferredDevice::DeferredDevice(SkBaseDevice* immediateDevice)
+    : SkBitmapDevice(SkBitmap::kNo_Config,
+                     immediateDevice->width(), immediateDevice->height(),
+                     immediateDevice->isOpaque(),
+                     immediateDevice->getDeviceProperties()) {
     fSurface = NULL;
     fImmediateCanvas = SkNEW_ARGS(SkCanvas, (immediateDevice));
     fPipeController.setPlaybackCanvas(fImmediateCanvas);
     this->init();
 }
 
 DeferredDevice::DeferredDevice(SkSurface* surface)
-    : SkDevice(SkBitmap::kNo_Config,
-               surface->getCanvas()->getDevice()->width(),
-               surface->getCanvas()->getDevice()->height(),
-               surface->getCanvas()->getDevice()->isOpaque(),
-               surface->getCanvas()->getDevice()->getDeviceProperties()) {
+    : SkBitmapDevice(SkBitmap::kNo_Config,
+                     surface->getCanvas()->getDevice()->width(),
+                     surface->getCanvas()->getDevice()->height(),
+                     surface->getCanvas()->getDevice()->isOpaque(),
+                     surface->getCanvas()->getDevice()->getDeviceProperties()) {
     fMaxRecordingStorageBytes = kDefaultMaxRecordingStorageBytes;
     fNotificationClient = NULL;
     fImmediateCanvas = NULL;
     fSurface = NULL;
     this->setSurface(surface);
     this->init();
 }
 
 void DeferredDevice::setSurface(SkSurface* surface) {
     SkRefCnt_SafeAssign(fImmediateCanvas, surface->getCanvas());
@@ skipping 197 matching lines @@
     if (shouldDrawImmediately(&bitmap, NULL, getBitmapSizeThreshold())) {
         prepareForImmediatePixelWrite();
         fImmediateCanvas->drawSprite(bitmap, x, y, &paint);
     } else {
         this->recordingCanvas()->drawSprite(bitmap, x, y, &paint);
         this->recordedDrawCommand();
 
     }
 }
 
-const SkBitmap& DeferredDevice::onAccessBitmap(SkBitmap*) {
+const SkBitmap& DeferredDevice::onAccessBitmap() {
     this->flushPendingCommands(kNormal_PlaybackMode);
     return immediateDevice()->accessBitmap(false);
 }
 
-SkDevice* DeferredDevice::onCreateCompatibleDevice(
+SkBaseDevice* DeferredDevice::onCreateCompatibleDevice(
     SkBitmap::Config config, int width, int height, bool isOpaque,
     Usage usage) {
 
     // Save layer usage not supported, and not required by SkDeferredCanvas.
     SkASSERT(usage != kSaveLayer_Usage);
     // Create a compatible non-deferred device.
     // We do not create a deferred device because we know the new device
     // will not be used with a deferred canvas (there is no API for that).
     // And connecting a DeferredDevice to non-deferred canvas can result
     // in unpredictable behavior.
@@ skipping 37 matching lines @@
     }
 
     SkDeferredCanvas* fCanvas;
 };
 
 SkDeferredCanvas* SkDeferredCanvas::Create(SkSurface* surface) {
     SkAutoTUnref<DeferredDevice> deferredDevice(SkNEW_ARGS(DeferredDevice, (surface)));
     return SkNEW_ARGS(SkDeferredCanvas, (deferredDevice));
 }
 
-SkDeferredCanvas* SkDeferredCanvas::Create(SkDevice* device) {
+SkDeferredCanvas* SkDeferredCanvas::Create(SkBaseDevice* device) {
     SkAutoTUnref<DeferredDevice> deferredDevice(SkNEW_ARGS(DeferredDevice, (device)));
     return SkNEW_ARGS(SkDeferredCanvas, (deferredDevice));
 }
 
 SkDeferredCanvas::SkDeferredCanvas(DeferredDevice* device) : SkCanvas (device) {
     this->init();
 }
 
 void SkDeferredCanvas::init() {
     fDeferredDrawing = true; // On by default
@@ skipping 434 matching lines @@
 SkDrawFilter* SkDeferredCanvas::setDrawFilter(SkDrawFilter* filter) {
     this->drawingCanvas()->setDrawFilter(filter);
     this->INHERITED::setDrawFilter(filter);
     this->recordedDrawCommand();
     return filter;
 }
 
 SkCanvas* SkDeferredCanvas::canvasForDrawIter() {
     return this->drawingCanvas();
 }