1 files changed, 94 insertions, 0 deletions
diff --git a/Source/WebCore/svg/SVGTransformValue.h b/Source/WebCore/svg/SVGTransformValue.h
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+++ b/Source/WebCore/svg/SVGTransformValue.h
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+/*
+ * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
+ * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#pragma once
+
+#include "FloatPoint.h"
+#include "SVGMatrixValue.h"
+
+namespace WebCore {
+
+class FloatSize;
+
+class SVGTransformValue {
+public:
+    enum SVGTransformType {
+        SVG_TRANSFORM_UNKNOWN = 0,
+        SVG_TRANSFORM_MATRIX = 1,
+        SVG_TRANSFORM_TRANSLATE = 2,
+        SVG_TRANSFORM_SCALE = 3,
+        SVG_TRANSFORM_ROTATE = 4,
+        SVG_TRANSFORM_SKEWX = 5,
+        SVG_TRANSFORM_SKEWY = 6
+    };
+
+    enum ConstructionMode {
+        ConstructIdentityTransform,
+        ConstructZeroTransform
+    };
+
+    SVGTransformValue();
+    SVGTransformValue(SVGTransformType, ConstructionMode = ConstructIdentityTransform);
+    explicit SVGTransformValue(const AffineTransform&);
+
+    SVGTransformType type() const { return m_type; }
+
+    SVGMatrixValue& svgMatrix() { return static_cast<SVGMatrixValue&>(m_matrix); }
+    AffineTransform matrix() const { return m_matrix; }
+    void updateSVGMatrix();
+
+    float angle() const { return m_angle; }
+    FloatPoint rotationCenter() const { return m_center; }
+
+    void setMatrix(const AffineTransform&);
+    void setTranslate(float tx, float ty);
+    void setScale(float sx, float sy);
+    void setRotate(float angle, float cx, float cy);
+    void setSkewX(float angle);
+    void setSkewY(float angle);
+    
+    FloatPoint translate() const;
+    FloatSize scale() const;
+
+    bool isValid() const { return m_type != SVG_TRANSFORM_UNKNOWN; }
+    String valueAsString() const;
+
+    static const String& transformTypePrefixForParsing(SVGTransformType);
+
+private:
+    friend bool operator==(const SVGTransformValue&, const SVGTransformValue&);
+
+    SVGTransformType m_type { SVG_TRANSFORM_UNKNOWN };
+    float m_angle { 0 };
+    FloatPoint m_center;
+    AffineTransform m_matrix;
+};
+
+inline bool operator==(const SVGTransformValue& a, const SVGTransformValue& b)
+{
+    return a.m_type == b.m_type && a.m_angle == b.m_angle && a.m_matrix == b.m_matrix;
+}
+
+inline bool operator!=(const SVGTransformValue& a, const SVGTransformValue& b)
+{
+    return !(a == b);
+}
+
+} // namespace WebCore