Initial import.

1 files changed, 79 insertions, 0 deletions

diff --git a/chromium/third_party/WebKit/Source/core/rendering/shapes/ShapeInsideInfo.cpp b/chromium/third_party/WebKit/Source/core/rendering/shapes/ShapeInsideInfo.cpp
new file mode 100644
index 00000000000..8c63f6c4d74
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+++ b/chromium/third_party/WebKit/Source/core/rendering/shapes/ShapeInsideInfo.cpp
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2012 Adobe Systems Incorporated. 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 THE COPYRIGHT HOLDER “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 THE COPYRIGHT HOLDER 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 "core/rendering/shapes/ShapeInsideInfo.h"
+
+#include "core/rendering/InlineIterator.h"
+#include "core/rendering/RenderBlock.h"
+
+namespace WebCore {
+
+LineSegmentRange::LineSegmentRange(const InlineIterator& start, const InlineIterator& end)
+    : start(start.root(), start.object(), start.offset())
+    , end(end.root(), end.object(), end.offset())
+    {
+    }
+
+bool ShapeInsideInfo::isEnabledFor(const RenderBlock* renderer)
+{
+    ShapeValue* shapeValue = renderer->style()->resolvedShapeInside();
+    if (!shapeValue)
+        return false;
+
+    switch (shapeValue->type()) {
+    case ShapeValue::Shape:
+        return shapeValue->shape() && shapeValue->shape()->type() != BasicShape::BasicShapeInsetRectangleType;
+    case ShapeValue::Image:
+        return shapeValue->isImageValid();
+    case ShapeValue::Outside:
+        return false;
+    }
+
+    return false;
+}
+
+bool ShapeInsideInfo::adjustLogicalLineTop(float minSegmentWidth)
+{
+    const Shape* shape = computedShape();
+    if (!shape || m_lineHeight <= 0 || logicalLineTop() > shapeLogicalBottom())
+        return false;
+
+    LayoutUnit newLineTop;
+    if (shape->firstIncludedIntervalLogicalTop(m_shapeLineTop, LayoutSize(minSegmentWidth, m_lineHeight), newLineTop)) {
+        if (newLineTop > m_shapeLineTop) {
+            m_shapeLineTop = newLineTop;
+            return true;
+        }
+    }
+
+    return false;
+}
+
+}