/usr/include/OverlayUnidraw/ovhull.h is in ivtools-dev 1.2.11a1-2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | /*
* Copyright (c) 1998,1999 Vectaport Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the names of the copyright holders not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. The copyright holders make
* no representations about the suitability of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#ifndef ovhull_h
#define ovhull_h
#include <Unidraw/Commands/command.h>
#include <Unidraw/Tools/tool.h>
class Clipboard;
//: command to generate generate and paste a convex hull given a polygon.
// relies on the qhull utilility from the University of Minnesota Geometry Center
// (http://geom.umn.edu).
class ConvexHullCmd : public Command {
public:
ConvexHullCmd(Editor*, Clipboard*);
virtual void Execute();
static int ConvexHull(int np, float* fx, float* fy, float*& hx, float*& hy);
// static method useful for computing a convex hull elsewhere.
};
//: tool to draw a polygon and invoke the ConvexHullCmd.
class ConvexHullTool : public Tool {
public:
ConvexHullTool(ControlInfo* =nil);
virtual Manipulator* CreateManipulator(Viewer*, Event&, Transformer* =nil);
// create a GrowingPolygon manipulator.
virtual Command* InterpretManipulator(Manipulator*);
// interpret GrowingPolygon manipulator to generate and paste a convex hull.
};
#endif
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