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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <sal/types.h>
21 : #include "cppunit/TestAssert.h"
22 : #include "cppunit/TestFixture.h"
23 : #include "cppunit/extensions/HelperMacros.h"
24 :
25 : #include <basegfx/tools/b2dclipstate.hxx>
26 : #include <basegfx/range/b2dpolyrange.hxx>
27 : #include <basegfx/polygon/b2dpolygon.hxx>
28 : #include <basegfx/polygon/b2dpolygontools.hxx>
29 : #include <basegfx/polygon/b2dpolypolygontools.hxx>
30 : #include <basegfx/polygon/b2dpolypolygon.hxx>
31 : #include <basegfx/numeric/ftools.hxx>
32 :
33 : using namespace ::basegfx;
34 :
35 :
36 : namespace basegfx2d
37 : {
38 :
39 6 : class clipstate : public CppUnit::TestFixture
40 : {
41 : private:
42 : tools::B2DClipState aUnion1;
43 : tools::B2DClipState aUnion2;
44 : tools::B2DClipState aIntersect;
45 : tools::B2DClipState aXor;
46 : tools::B2DClipState aSubtract;
47 :
48 : public:
49 2 : void setUp()
50 : {
51 2 : B2DRange aCenter(100, 100, -100, -100);
52 2 : B2DRange aNorth(-10, -110, 10, -90);
53 2 : B2DRange aWest(-110, -10, -90, 10);
54 2 : B2DRange aSouth(-10, 110, 10, 90);
55 2 : B2DRange aEast(110, -10, 90, 10);
56 :
57 2 : aUnion1.unionRange(aCenter);
58 2 : aUnion1.unionRange(aNorth);
59 2 : aUnion1.unionRange(aWest);
60 2 : aUnion1.unionRange(aSouth);
61 2 : aUnion1.unionRange(aEast);
62 :
63 2 : aUnion2.makeNull();
64 2 : aUnion2.unionRange(aCenter);
65 2 : aUnion2.unionRange(aNorth);
66 2 : aUnion2.unionRange(aWest);
67 2 : aUnion2.unionRange(aSouth);
68 2 : aUnion2.unionRange(aEast);
69 :
70 2 : aIntersect.intersectRange(aCenter);
71 2 : aIntersect.intersectRange(aNorth);
72 2 : aIntersect.intersectRange(aWest);
73 2 : aIntersect.intersectRange(aSouth);
74 2 : aIntersect.intersectRange(aEast);
75 :
76 2 : aXor.makeNull();
77 2 : aXor.xorRange(aCenter);
78 2 : aXor.xorRange(aNorth);
79 2 : aXor.xorRange(aWest);
80 2 : aXor.xorRange(aSouth);
81 2 : aXor.xorRange(aEast);
82 :
83 2 : aSubtract.intersectRange(aCenter);
84 2 : aSubtract.subtractRange(aNorth);
85 2 : aSubtract.subtractRange(aWest);
86 2 : aSubtract.subtractRange(aSouth);
87 2 : aSubtract.subtractRange(aEast);
88 2 : }
89 :
90 2 : void tearDown()
91 2 : {}
92 :
93 5 : void verifyPoly(const char* sName, const char* sSvg, const tools::B2DClipState& toTest)
94 : {
95 : #if OSL_DEBUG_LEVEL > 2
96 : fprintf(stderr, "%s - svg:d=\"%s\"\n",
97 : sName, OUStringToOString(
98 : basegfx::tools::exportToSvgD(toTest.getClipPoly()),
99 : RTL_TEXTENCODING_UTF8).getStr() );
100 : #endif
101 :
102 5 : B2DPolyPolygon aTmp1;
103 10 : CPPUNIT_ASSERT_MESSAGE(sName,
104 : tools::importFromSvgD(
105 : aTmp1,
106 5 : OUString::createFromAscii(sSvg)));
107 :
108 : const OUString aSvg=
109 10 : tools::exportToSvgD(toTest.getClipPoly());
110 10 : B2DPolyPolygon aTmp2;
111 10 : CPPUNIT_ASSERT_MESSAGE(sName,
112 : tools::importFromSvgD(
113 : aTmp2,
114 5 : aSvg));
115 :
116 10 : CPPUNIT_ASSERT_MESSAGE(
117 : sName,
118 10 : aTmp2 == aTmp1);
119 5 : }
120 :
121 1 : void verifySimpleRange()
122 : {
123 1 : const char* unionSvg="m100 10v90h-90v10h-20v-10h-90v-90h-10v-20h10v-90h90v-10h20v10h90v90h10v20z";
124 1 : const char* intersectSvg="m-100 10v-20h10v20zm90 90v-10h20v10zm0-190v-10h20v10zm100 100v-20h10v20z";
125 : const char* xorSvg="m-100 10h10v-20h-10zm90 90h20v-10h-20zm0-190h20v-10h-20zm100 100h10v-20h-10z"
126 1 : "m10 0v90h-90v10h-20v-10h-90v-90h-10v-20h10v-90h90v-10h20v10h90v90h10v20z";
127 1 : const char* subtractSvg="m-90 10v-20h-10v-90h90v10h20v-10h90v90h-10v20h10v90h-90v-10h-20v10h-90v-90z";
128 :
129 2 : CPPUNIT_ASSERT_MESSAGE("cleared clip stays empty under union operation",
130 1 : aUnion1.isCleared());
131 1 : verifyPoly("union", unionSvg, aUnion2);
132 1 : verifyPoly("intersect", intersectSvg, aIntersect);
133 1 : verifyPoly("xor", xorSvg, aXor);
134 1 : verifyPoly("subtract", subtractSvg, aSubtract);
135 1 : }
136 :
137 1 : void verifyMixedClips()
138 : {
139 1 : tools::B2DClipState aMixedClip;
140 :
141 1 : const char* unionSvg="m100 10v90h-90v10h-20v-10h-90v-90h-10v-20h10v-90h90v-10h20v10h90v90h10v20z";
142 :
143 2 : B2DPolyPolygon aTmp1;
144 : tools::importFromSvgD(
145 : aTmp1,
146 1 : OUString::createFromAscii(unionSvg));
147 :
148 1 : aMixedClip.intersectPolyPolygon(aTmp1);
149 1 : aMixedClip.subtractRange(B2DRange(-20,-150,20,0));
150 1 : aMixedClip.subtractRange(B2DRange(-150,-20,0,20));
151 1 : aMixedClip.xorRange(B2DRange(-150,-150,150,150));
152 :
153 1 : const char* mixedClipSvg="m0 0v20h-100v80h90v10h20v-10h90v-90h10v-20h-10v-90h-80v100zm-20-20v-80h-80v80zm-130 170v-300h300v300z";
154 2 : verifyPoly("mixed clip", mixedClipSvg, aMixedClip);
155 1 : }
156 :
157 2 : CPPUNIT_TEST_SUITE(clipstate);
158 1 : CPPUNIT_TEST(verifySimpleRange);
159 1 : CPPUNIT_TEST(verifyMixedClips);
160 2 : CPPUNIT_TEST_SUITE_END();
161 : };
162 :
163 : // -----------------------------------------------------------------------------
164 1 : CPPUNIT_TEST_SUITE_REGISTRATION(basegfx2d::clipstate);
165 3 : } // namespace basegfx2d
166 :
167 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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