Move annotations to canvas virtual (patchset #8 id:140001 of https://codereview.chromium.org/174410…

src/core/SkCanvas.cpp

 /*
  * Copyright 2008 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmapDevice.h"
 #include "SkCanvas.h"
 #include "SkCanvasPriv.h"
@@ skipping 1955 matching lines @@
     RETURN_ON_NULL(atlas);
     if (count <= 0) {
         return;
     }
     SkASSERT(atlas);
     SkASSERT(xform);
     SkASSERT(tex);
     this->onDrawAtlas(atlas, xform, tex, colors, count, mode, cull, paint);
 }
 
+void SkCanvas::drawAnnotation(const SkRect& rect, const char key[], SkData* value) {
+    if (key) {
+        this->onDrawAnnotation(rect, key, value);
+    }
+}
+
 void SkCanvas::legacy_drawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
                                     const SkPaint* paint, SrcRectConstraint constraint) {
     if (src) {
         this->drawImageRect(image, *src, dst, paint, constraint);
     } else {
         this->drawImageRect(image, SkRect::MakeIWH(image->width(), image->height()),
                             dst, paint, constraint);
     }
 }
 void SkCanvas::legacy_drawBitmapRect(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst,
@@ skipping 732 matching lines @@
         pnt = *paint;
     }
     
     LOOPER_BEGIN(pnt, SkDrawFilter::kPath_Type, nullptr)
     while (iter.next()) {
         iter.fDevice->drawAtlas(iter, atlas, xform, tex, colors, count, mode, pnt);
     }
     LOOPER_END
 }
 
+void SkCanvas::onDrawAnnotation(const SkRect& rect, const char key[], SkData* value) {
+    SkASSERT(key);
+
+    SkPaint paint;
+    LOOPER_BEGIN(paint, SkDrawFilter::kRect_Type, nullptr)
+    while (iter.next()) {
+        iter.fDevice->drawAnnotation(iter, rect, key, value);
+    }
+    LOOPER_END
+}
+
 //////////////////////////////////////////////////////////////////////////////
 // These methods are NOT virtual, and therefore must call back into virtual
 // methods, rather than actually drawing themselves.
 //////////////////////////////////////////////////////////////////////////////
 
 void SkCanvas::drawARGB(U8CPU a, U8CPU r, U8CPU g, U8CPU b,
                         SkXfermode::Mode mode) {
     TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawARGB()");
     SkPaint paint;
 
@@ skipping 263 matching lines @@
     }
 
     if (matrix) {
         canvas->concat(*matrix);
     }
 }
 
 SkAutoCanvasMatrixPaint::~SkAutoCanvasMatrixPaint() {
     fCanvas->restoreToCount(fSaveCount);
 }