Adds SVGImageElement as a CanvasImageSource

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"
 #include "core/css/parser/CSSParser.h"
 #include "core/frame/ImageBitmap.h"
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLImageElement.h"
 #include "core/html/HTMLVideoElement.h"
 #include "core/html/ImageData.h"
 #include "core/offscreencanvas/OffscreenCanvas.h"
+#include "core/svg/SVGImageElement.h"
 #include "modules/canvas2d/CanvasGradient.h"
 #include "modules/canvas2d/CanvasPattern.h"
 #include "modules/canvas2d/CanvasStyle.h"
 #include "modules/canvas2d/Path2D.h"
 #include "platform/Histogram.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/geometry/FloatQuad.h"
 #include "platform/graphics/Color.h"
 #include "platform/graphics/ExpensiveCanvasHeuristicParameters.h"
 #include "platform/graphics/Image.h"
@@ skipping 897 matching lines @@
   }
   if (value.isOffscreenCanvas()) {
     if (static_cast<OffscreenCanvas*>(value.getAsOffscreenCanvas())
             ->isNeutered()) {
       exceptionState.throwDOMException(
           InvalidStateError, String::format("The image source is detached"));
       return nullptr;
     }
     return value.getAsOffscreenCanvas();
   }
+  if (value.isSVGImageElement()) {
+    SVGImageElement* image = value.getAsSVGImageElement();
+    return image;
+  }
   NOTREACHED();
   return nullptr;
 }
 
 void BaseRenderingContext2D::drawImage(
     ScriptState* scriptState,
     const CanvasImageSourceUnion& imageSource,
     double x,
     double y,
     ExceptionState& exceptionState) {
@@ skipping 1077 matching lines @@
       ExpensiveCanvasHeuristicParameters::ShadowFixedCost[index] *
           m_usageCounters.numBlurredShadows +
       ExpensiveCanvasHeuristicParameters::
               ShadowVariableCostPerAreaTimesShadowBlurSquared[index] *
           m_usageCounters.boundingBoxAreaTimesShadowBlurSquared;
 
   return basicCostOfDrawCalls + fillTypeAdjustment + shadowAdjustment;
 }
 
 }  // namespace blink