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 878 matching lines @@
     exceptionState.throwTypeError("CSSImageValue is not yet supported");
     return nullptr;
   }
   if (value.isHTMLImageElement())
     return value.getAsHTMLImageElement();
   if (value.isHTMLVideoElement()) {
     HTMLVideoElement* video = value.getAsHTMLVideoElement();
     video->videoWillBeDrawnToCanvas();
     return video;
   }
+  if (value.isSVGImageElement())
+    return value.getAsSVGImageElement();
   if (value.isHTMLCanvasElement())
     return value.getAsHTMLCanvasElement();
   if (value.isImageBitmap()) {
     if (static_cast<ImageBitmap*>(value.getAsImageBitmap())->isNeutered()) {
       exceptionState.throwDOMException(
           InvalidStateError, String::format("The image source is detached"));
       return nullptr;
     }
     return value.getAsImageBitmap();
   }
@@ skipping 1096 matching lines @@
       ExpensiveCanvasHeuristicParameters::ShadowFixedCost[index] *
           m_usageCounters.numBlurredShadows +
       ExpensiveCanvasHeuristicParameters::
               ShadowVariableCostPerAreaTimesShadowBlurSquared[index] *
           m_usageCounters.boundingBoxAreaTimesShadowBlurSquared;
 
   return basicCostOfDrawCalls + fillTypeAdjustment + shadowAdjustment;
 }
 
 }  // namespace blink