1 files changed, 53 insertions, 0 deletions
diff --git a/Source/WebCore/rendering/style/ShapeValue.cpp b/Source/WebCore/rendering/style/ShapeValue.cpp
new file mode 100644
index 000000000..ca5f2b293
--- /dev/null
+++ b/Source/WebCore/rendering/style/ShapeValue.cpp
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2014-2017 Apple 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:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "ShapeValue.h"
+
+#include "CachedImage.h"
+#include <wtf/PointerComparison.h>
+
+namespace WebCore {
+
+bool ShapeValue::isImageValid() const
+{
+    if (!m_image)
+        return false;
+    if (m_image->isCachedImage()) {
+        auto* cachedImage = m_image->cachedImage();
+        return cachedImage && cachedImage->hasImage();
+    }
+    return m_image->isGeneratedImage();
+}
+
+bool ShapeValue::operator==(const ShapeValue& other) const
+{
+    return m_type == other.m_type
+        && m_cssBox == other.m_cssBox
+        && arePointingToEqualData(m_shape, other.m_shape)
+        && arePointingToEqualData(m_image, other.m_image);
+}
+
+} // namespace WebCore