Index: Source/core/rendering/svg/RenderSVGEllipse.cpp |
diff --git a/Source/core/rendering/svg/RenderSVGEllipse.cpp b/Source/core/rendering/svg/RenderSVGEllipse.cpp |
deleted file mode 100644 |
index d3bfbfcb8b1830c0a1111c4f54fd3c12b1379a23..0000000000000000000000000000000000000000 |
--- a/Source/core/rendering/svg/RenderSVGEllipse.cpp |
+++ /dev/null |
@@ -1,137 +0,0 @@ |
-/* |
- * Copyright (C) 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: |
- * 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 UNIVERSITY OF SZEGED ``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 UNIVERSITY OF SZEGED OR |
- * 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 "core/rendering/svg/RenderSVGEllipse.h" |
- |
-#include "core/svg/SVGCircleElement.h" |
-#include "core/svg/SVGEllipseElement.h" |
- |
-#include <cmath> |
- |
-namespace blink { |
- |
-RenderSVGEllipse::RenderSVGEllipse(SVGGraphicsElement* node) |
- : RenderSVGShape(node) |
- , m_usePathFallback(false) |
-{ |
-} |
- |
-RenderSVGEllipse::~RenderSVGEllipse() |
-{ |
-} |
- |
-void RenderSVGEllipse::updateShapeFromElement() |
-{ |
- // Before creating a new object we need to clear the cached bounding box |
- // to avoid using garbage. |
- m_fillBoundingBox = FloatRect(); |
- m_strokeBoundingBox = FloatRect(); |
- m_center = FloatPoint(); |
- m_radii = FloatSize(); |
- m_usePathFallback = false; |
- |
- calculateRadiiAndCenter(); |
- |
- // Spec: "A negative value is an error. A value of zero disables rendering of the element." |
- if (m_radii.width() < 0 || m_radii.height() < 0) |
- return; |
- |
- if (!m_radii.isEmpty()) { |
- // Fall back to RenderSVGShape and path-based hit detection if the ellipse |
- // has a non-scaling or discontinuous stroke. |
- if (hasNonScalingStroke() || !hasContinuousStroke()) { |
- RenderSVGShape::updateShapeFromElement(); |
- m_usePathFallback = true; |
- return; |
- } |
- } |
- |
- clearPath(); |
- |
- m_fillBoundingBox = FloatRect(m_center.x() - m_radii.width(), m_center.y() - m_radii.height(), 2 * m_radii.width(), 2 * m_radii.height()); |
- m_strokeBoundingBox = m_fillBoundingBox; |
- if (style()->svgStyle().hasStroke()) |
- m_strokeBoundingBox.inflate(strokeWidth() / 2); |
-} |
- |
-void RenderSVGEllipse::calculateRadiiAndCenter() |
-{ |
- ASSERT(element()); |
- if (isSVGCircleElement(*element())) { |
- SVGCircleElement& circle = toSVGCircleElement(*element()); |
- |
- SVGLengthContext lengthContext(&circle); |
- float radius = circle.r()->currentValue()->value(lengthContext); |
- m_radii = FloatSize(radius, radius); |
- m_center = FloatPoint(circle.cx()->currentValue()->value(lengthContext), circle.cy()->currentValue()->value(lengthContext)); |
- return; |
- } |
- |
- SVGEllipseElement& ellipse = toSVGEllipseElement(*element()); |
- |
- SVGLengthContext lengthContext(&ellipse); |
- m_radii = FloatSize(ellipse.rx()->currentValue()->value(lengthContext), ellipse.ry()->currentValue()->value(lengthContext)); |
- m_center = FloatPoint(ellipse.cx()->currentValue()->value(lengthContext), ellipse.cy()->currentValue()->value(lengthContext)); |
-} |
- |
-bool RenderSVGEllipse::shapeDependentStrokeContains(const FloatPoint& point) |
-{ |
- // The optimized check below for circles does not support non-scaling or |
- // discontinuous strokes. |
- if (m_usePathFallback |
- || !hasContinuousStroke() |
- || m_radii.width() != m_radii.height()) { |
- if (!hasPath()) |
- createPath(); |
- return RenderSVGShape::shapeDependentStrokeContains(point); |
- } |
- |
- const FloatPoint center = FloatPoint(m_center.x() - point.x(), m_center.y() - point.y()); |
- const float halfStrokeWidth = strokeWidth() / 2; |
- const float r = m_radii.width(); |
- return std::abs(center.length() - r) <= halfStrokeWidth; |
-} |
- |
-bool RenderSVGEllipse::shapeDependentFillContains(const FloatPoint& point, const WindRule fillRule) const |
-{ |
- const FloatPoint center = FloatPoint(m_center.x() - point.x(), m_center.y() - point.y()); |
- |
- // This works by checking if the point satisfies the ellipse equation. |
- // (x/rX)^2 + (y/rY)^2 <= 1 |
- const float xrX = center.x() / m_radii.width(); |
- const float yrY = center.y() / m_radii.height(); |
- return xrX * xrX + yrY * yrY <= 1.0; |
-} |
- |
-bool RenderSVGEllipse::hasContinuousStroke() const |
-{ |
- const SVGLayoutStyle& svgStyle = style()->svgStyle(); |
- return svgStyle.strokeDashArray()->isEmpty(); |
-} |
- |
-} |