Implement "Copy image" for canvas (blink side).

Source/web/tests/WebViewTest.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 31 matching lines @@
 #include "core/html/HTMLTextAreaElement.h"
 #include "core/loader/FrameLoadRequest.h"
 #include "core/page/Chrome.h"
 #include "core/page/Page.h"
 #include "core/rendering/RenderLayer.h"
 #include "core/rendering/RenderView.h"
 #include "platform/KeyboardCodes.h"
 #include "platform/geometry/IntSize.h"
 #include "platform/graphics/Color.h"
 #include "public/platform/Platform.h"
+#include "public/platform/WebClipboard.h"
 #include "public/platform/WebDragData.h"
 #include "public/platform/WebSize.h"
 #include "public/platform/WebThread.h"
 #include "public/platform/WebUnitTestSupport.h"
 #include "public/web/WebAutofillClient.h"
 #include "public/web/WebContentDetectionResult.h"
 #include "public/web/WebDateTimeChooserCompletion.h"
 #include "public/web/WebDocument.h"
 #include "public/web/WebDragOperation.h"
 #include "public/web/WebElement.h"
@@ skipping 145 matching lines @@
                         HorizontalScrollbarState expectedHorizontalState, VerticalScrollbarState expectedVerticalState);
 
     void testTextInputType(WebTextInputType expectedType, const std::string& htmlFile);
     void testInputMode(const WebString& expectedInputMode, const std::string& htmlFile);
     void testSelectionRootBounds(const char* htmlFile, float pageScaleFactor);
 
     std::string m_baseURL;
     FrameTestHelpers::WebViewHelper m_webViewHelper;
 };
 
+TEST_F(WebViewTest, CopyImageAt)
+{
+    std::string url = m_baseURL + "canvas-copy-image.html";
+    URLTestHelpers::registerMockedURLLoad(toKURL(url), "canvas-copy-image.html");
+    WebView* webView = m_webViewHelper.initializeAndLoad(url, true, 0);
+    webView->resize(WebSize(400, 400));
+    webView->copyImageAt(WebPoint(50, 50));
+
+    blink::WebData data = blink::Platform::current()->clipboard()->readImage(blink::WebClipboard::Buffer());
+    blink::WebImage image = blink::WebImage::fromData(data, WebSize());
+
+    SkAutoLockPixels autoLock(image.getSkBitmap());
+    EXPECT_EQ(SkColorSetARGB(255, 255, 0, 0), image.getSkBitmap().getColor(0, 0));
+};
+
 TEST_F(WebViewTest, SetBaseBackgroundColor)
 {
     const WebColor kWhite    = 0xFFFFFFFF;
     const WebColor kBlue     = 0xFF0000FF;
     const WebColor kDarkCyan = 0xFF227788;
     const WebColor kTranslucentPutty = 0x80BFB196;
     const WebColor kTransparent = 0x00000000;
 
     WebViewImpl* webView = m_webViewHelper.initialize();
     EXPECT_EQ(kWhite, webView->backgroundColor());
@@ skipping 1803 matching lines @@
 
     EXPECT_EQ(0, client.getUserGestureNotificationsCount());
 
     EXPECT_TRUE(tapElementById(webView, WebInputEvent::GestureTap, WebString::fromUTF8("target")));
 
     EXPECT_EQ(1, client.getUserGestureNotificationsCount());
     webView->setAutofillClient(0);
 }
 
 } // namespace