Split Gradient impl into separate classes

third_party/WebKit/Source/modules/canvas2d/BaseRenderingContext2D.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/canvas2d/BaseRenderingContext2D.h"
 
 #include "bindings/core/v8/ExceptionMessages.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "core/css/cssom/CSSURLImageValue.h"
@@ skipping 1830 matching lines @@
 
     CanvasStyle* canvasStyle;
     if (callType == FillText || callType == FillPath || callType == FillRect) {
       canvasStyle = state().fillStyle();
     } else {
       canvasStyle = state().strokeStyle();
     }
 
     CanvasGradient* gradient = canvasStyle->getCanvasGradient();
     if (gradient) {
-      if (gradient->getGradient()->isRadial()) {
-        m_usageCounters.numRadialGradients++;
-        m_usageCounters.boundingBoxAreaFillType
-            [BaseRenderingContext2D::RadialGradientFillType] +=
-            boundingRectArea;
-      } else {
-        m_usageCounters.numLinearGradients++;
-        m_usageCounters.boundingBoxAreaFillType
-            [BaseRenderingContext2D::LinearGradientFillType] +=
-            boundingRectArea;
+      switch (gradient->getGradient()->getType()) {
+        case Gradient::Type::Linear:
+          m_usageCounters.numLinearGradients++;
+          m_usageCounters.boundingBoxAreaFillType
+              [BaseRenderingContext2D::LinearGradientFillType] +=
+              boundingRectArea;
+          break;
+        case Gradient::Type::Radial:
+          m_usageCounters.numRadialGradients++;
+          m_usageCounters.boundingBoxAreaFillType
+              [BaseRenderingContext2D::RadialGradientFillType] +=
+              boundingRectArea;
+          break;
+        default:
+          NOTREACHED();
       }
     } else if (canvasStyle->getCanvasPattern()) {
       m_usageCounters.numPatterns++;
       m_usageCounters
           .boundingBoxAreaFillType[BaseRenderingContext2D::PatternFillType] +=
           boundingRectArea;
     } else {
       m_usageCounters
           .boundingBoxAreaFillType[BaseRenderingContext2D::ColorFillType] +=
           boundingRectArea;
@@ skipping 154 matching lines @@
       ExpensiveCanvasHeuristicParameters::ShadowFixedCost[index] *
           m_usageCounters.numBlurredShadows +
       ExpensiveCanvasHeuristicParameters::
               ShadowVariableCostPerAreaTimesShadowBlurSquared[index] *
           m_usageCounters.boundingBoxAreaTimesShadowBlurSquared;
 
   return basicCostOfDrawCalls + fillTypeAdjustment + shadowAdjustment;
 }
 
 }  // namespace blink