rename SkCanvasDrawable to SkDrawable, and make public

src/core/SkDrawable.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCanvas.h"
-#include "SkCanvasDrawable.h"
+#include "SkDrawable.h"
 #include "SkThread.h"
 
 static int32_t next_generation_id() {
     static int32_t gCanvasDrawableGenerationID;
 
     // do a loop in case our global wraps around, as we never want to
     // return a 0
     int32_t genID;
     do {
         genID = sk_atomic_inc(&gCanvasDrawableGenerationID) + 1;
     } while (0 == genID);
     return genID;
 }
 
-SkCanvasDrawable::SkCanvasDrawable() : fGenerationID(0) {}
+SkDrawable::SkDrawable() : fGenerationID(0) {}
 
 static void draw_bbox(SkCanvas* canvas, const SkRect& r) {
     SkPaint paint;
     paint.setStyle(SkPaint::kStroke_Style);
     paint.setColor(0xFFFF7088);
     canvas->drawRect(r, paint);
     canvas->drawLine(r.left(), r.top(), r.right(), r.bottom(), paint);
     canvas->drawLine(r.left(), r.bottom(), r.right(), r.top(), paint);
 }
 
-void SkCanvasDrawable::draw(SkCanvas* canvas) {
+void SkDrawable::draw(SkCanvas* canvas) {
     SkAutoCanvasRestore acr(canvas, true);
     this->onDraw(canvas);
 
     if (false) {
         draw_bbox(canvas, this->getBounds());
     }
 }
 
-SkPicture* SkCanvasDrawable::newPictureSnapshot() {
+SkPicture* SkDrawable::newPictureSnapshot() {
     return this->onNewPictureSnapshot();
 }
 
-uint32_t SkCanvasDrawable::getGenerationID() {
+uint32_t SkDrawable::getGenerationID() {
     if (0 == fGenerationID) {
         fGenerationID = next_generation_id();
     }
     return fGenerationID;
 }
 
-SkRect SkCanvasDrawable::getBounds() {
+SkRect SkDrawable::getBounds() {
     return this->onGetBounds();
 }
 
-void SkCanvasDrawable::notifyDrawingChanged() {
+void SkDrawable::notifyDrawingChanged() {
     fGenerationID = 0;
 }
 
 /////////////////////////////////////////////////////////////////////////////////////////
 
 #include "SkPictureRecorder.h"
 
-SkPicture* SkCanvasDrawable::onNewPictureSnapshot() {
+SkPicture* SkDrawable::onNewPictureSnapshot() {
     SkPictureRecorder recorder;
 
     const SkRect bounds = this->getBounds();
     SkCanvas* canvas = recorder.beginRecording(bounds, NULL, 0);
     this->draw(canvas);
     if (false) {
         draw_bbox(canvas, bounds);
     }
     return recorder.endRecording();
 }