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
54
55
56
57
58
59
60
61
62
63
64
65
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/basegfxdllapi.h>
namespace basegfx
{
class B2DRange;
}
namespace basegfx::utils
{
// This method clips the given tools::PolyPolygon against a horizontal or vertical axis (parallel to X or Y axis). The axis is
// defined by bParallelToXAxis (true -> it's parallel to the X-Axis of the coordinate system, else to the Y-Axis) and the
// fValueOnOtherAxis (gives the translation to the coordinate system axis). For example, when You want to define
// a clip axis parallel to X.Axis and 100 above it, use bParallelToXAxis = true and fValueOnOtherAxis = 100.
// The value bAboveAxis defines on which side the return value will be (true -> above X, right of Y).
// The switch bStroke decides if the polygon is interpreted as area (false) or strokes (true).
B2DPolyPolygon clipPolyPolygonOnParallelAxis(const B2DPolyPolygon& rCandidate, bool bParallelToXAxis, bool bAboveAxis, double fValueOnOtherAxis, bool bStroke);
BASEGFX_DLLPUBLIC B2DPolyPolygon clipPolygonOnParallelAxis(const B2DPolygon& rCandidate, bool bParallelToXAxis, bool bAboveAxis, double fValueOnOtherAxis, bool bStroke);
// Clip the given tools::PolyPolygon against the given range. bInside defines if the result will contain the
// parts which are contained in the range or vice versa.
// The switch bStroke decides if the polygon is interpreted as area (false) or strokes (true).
BASEGFX_DLLPUBLIC B2DPolyPolygon clipPolyPolygonOnRange(const B2DPolyPolygon& rCandidate, const B2DRange& rRange, bool bInside, bool bStroke);
BASEGFX_DLLPUBLIC B2DPolyPolygon clipPolygonOnRange(const B2DPolygon& rCandidate, const B2DRange& rRange, bool bInside, bool bStroke);
// Clip given tools::PolyPolygon against given clipping polygon.
// The switch bStroke decides if the polygon is interpreted as area (false) or strokes (true).
// With stroke polygons, You get all line snippets inside rCip.
// With filled polygons, You get all tools::PolyPolygon parts which were inside rClip.
// The switch bInside decides if the parts inside the clip polygon or outside shall be created.
// The clip polygon is always assumed closed, even when it's isClosed() is false.
BASEGFX_DLLPUBLIC B2DPolyPolygon clipPolyPolygonOnPolyPolygon(const B2DPolyPolygon& rCandidate, const B2DPolyPolygon& rClip,
bool bInside, bool bStroke, size_t *pPointLimit = nullptr);
BASEGFX_DLLPUBLIC B2DPolyPolygon clipPolygonOnPolyPolygon(const B2DPolygon& rCandidate, const B2DPolyPolygon& rClip, bool bInside, bool bStroke);
// clip the given polygon against the given range. the resulting polygon will always contain
// the inside parts which will always be interpreted as areas. the incoming polygon is expected
// to be a simple triangle list. the result is also a simple triangle list.
BASEGFX_DLLPUBLIC B2DPolygon clipTriangleListOnRange( const B2DPolygon& rCandidate, const B2DRange& rRange );
} // end of namespace basegfx::utils
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
