1 files changed, 94 insertions, 0 deletions
diff --git a/ksvg/impl/SVGLocatableImpl.h b/ksvg/impl/SVGLocatableImpl.h
new file mode 100644
index 00000000..81ce3326
--- /dev/null
+++ b/ksvg/impl/SVGLocatableImpl.h
@@ -0,0 +1,94 @@
+/*
+    Copyright (C) 2001-2003 KSVG Team
+    This file is part of the KDE project
+
+    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.
+*/
+
+#ifndef SVGLocatableImpl_H
+#define SVGLocatableImpl_H
+
+#include "ksvg_lookup.h"
+
+namespace KSVG
+{
+
+class SVGRectImpl;
+class SVGMatrixImpl;
+class SVGElementImpl;
+class SVGLocatableImpl
+{
+public:
+	SVGLocatableImpl();
+	virtual ~SVGLocatableImpl();
+
+	SVGElementImpl *nearestViewportElement() const { return m_nearestViewportElement; }
+	SVGElementImpl *farthestViewportElement() const{ return m_farthestViewportElement; }
+
+	virtual SVGRectImpl *getBBox();
+	virtual SVGMatrixImpl *getCTM();
+	virtual SVGMatrixImpl *getScreenCTM();
+
+	// Faster access for when a new copy isn't required.
+	const SVGMatrixImpl *screenCTM() const { return m_cachedScreenCTM; }
+
+	SVGMatrixImpl *getTransformToElement(SVGElementImpl *element);
+
+	// The local transformations concatenated together. 0 if
+	// there are no local transformations.
+	virtual const SVGMatrixImpl *localMatrix() { return 0; }
+
+	bool cachedScreenCTMIsValid() const { return m_cachedScreenCTMIsValid; }
+	void invalidateCachedMatrices() { m_cachedScreenCTMIsValid = false; }
+
+	// If the cached matrix is invalid, update it and update any child elements
+	// recursively. Otherwise, check child elements recursively.
+	virtual void checkCachedScreenCTM(const SVGMatrixImpl *parentScreenCTM);
+	// Update the cached matrix, and update child element cached matrices,
+	// recursively.
+	virtual void updateCachedScreenCTM(const SVGMatrixImpl *parentScreenCTM);
+
+	// Called immediately after the screen ctm has been updated.
+	virtual void onScreenCTMUpdated() {}
+
+protected:
+	SVGElementImpl *m_nearestViewportElement;
+	SVGElementImpl *m_farthestViewportElement;
+	SVGMatrixImpl *m_cachedScreenCTM;
+	bool m_cachedScreenCTMIsValid;
+
+public:
+	KSVG_BASECLASS_GET
+
+	enum
+	{
+		// Properties
+		NearestViewportElement, FarthestViewportElement,
+		// Functions
+		GetBBox, GetCTM, GetScreenCTM, GetTransformToElement
+	};
+
+	KJS::Value getValueProperty(KJS::ExecState *exec, int token) const;
+};
+
+}
+
+KSVG_DEFINE_PROTOTYPE(SVGLocatableImplProto)
+KSVG_IMPLEMENT_PROTOFUNC(SVGLocatableImplProtoFunc, SVGLocatableImpl)
+
+#endif
+
+// vim:ts=4:noet