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72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is IBM Corporation code.
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*
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* The Initial Developer of the Original Code is IBM Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2007
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef GFX_PATH_H
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#define GFX_PATH_H
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#include "gfxTypes.h"
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struct gfxPoint;
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typedef struct cairo_path cairo_path_t;
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class THEBES_API gfxFlattenedPath {
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THEBES_INLINE_DECL_REFCOUNTING(gfxPath)
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public:
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gfxFlattenedPath(cairo_path_t *aPath);
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~gfxFlattenedPath();
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/**
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* Returns calculated total length of path
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*/
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gfxFloat GetLength();
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/**
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* Returns a point a certain distance along the path. Return is
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* first or last point of the path if the requested length offset
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* is outside the range for the path.
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* @param aOffset offset inpath parameter space (x=length, y=normal offset)
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* @param aAngle optional - output tangent
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*/
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gfxPoint FindPoint(gfxPoint aOffset,
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gfxFloat *aAngle = nsnull);
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protected:
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cairo_path_t *mPath;
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};
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#endif
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