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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 : namespace basegfx2d
36 : {
37 :
38 12 : class clipstate : public CppUnit::TestFixture
39 : {
40 : private:
41 : tools::B2DClipState aUnion1;
42 : tools::B2DClipState aUnion2;
43 : tools::B2DClipState aIntersect;
44 : tools::B2DClipState aXor;
45 : tools::B2DClipState aSubtract;
46 :
47 : public:
48 4 : void setUp() SAL_OVERRIDE
49 : {
50 4 : B2DRange aCenter(100, 100, -100, -100);
51 4 : B2DRange aNorth(-10, -110, 10, -90);
52 4 : B2DRange aWest(-110, -10, -90, 10);
53 4 : B2DRange aSouth(-10, 110, 10, 90);
54 4 : B2DRange aEast(110, -10, 90, 10);
55 :
56 4 : aUnion1.unionRange(aCenter);
57 4 : aUnion1.unionRange(aNorth);
58 4 : aUnion1.unionRange(aWest);
59 4 : aUnion1.unionRange(aSouth);
60 4 : aUnion1.unionRange(aEast);
61 :
62 4 : aUnion2.makeNull();
63 4 : aUnion2.unionRange(aCenter);
64 4 : aUnion2.unionRange(aNorth);
65 4 : aUnion2.unionRange(aWest);
66 4 : aUnion2.unionRange(aSouth);
67 4 : aUnion2.unionRange(aEast);
68 :
69 4 : aIntersect.intersectRange(aCenter);
70 4 : aIntersect.intersectRange(aNorth);
71 4 : aIntersect.intersectRange(aWest);
72 4 : aIntersect.intersectRange(aSouth);
73 4 : aIntersect.intersectRange(aEast);
74 :
75 4 : aXor.makeNull();
76 4 : aXor.xorRange(aCenter);
77 4 : aXor.xorRange(aNorth);
78 4 : aXor.xorRange(aWest);
79 4 : aXor.xorRange(aSouth);
80 4 : aXor.xorRange(aEast);
81 :
82 4 : aSubtract.intersectRange(aCenter);
83 4 : aSubtract.subtractRange(aNorth);
84 4 : aSubtract.subtractRange(aWest);
85 4 : aSubtract.subtractRange(aSouth);
86 4 : aSubtract.subtractRange(aEast);
87 4 : }
88 :
89 4 : void tearDown() SAL_OVERRIDE
90 4 : {}
91 :
92 10 : void verifyPoly(const char* sName, const char* sSvg, const tools::B2DClipState& toTest)
93 : {
94 : #if OSL_DEBUG_LEVEL > 2
95 : fprintf(stderr, "%s - svg:d=\"%s\"\n",
96 : sName, OUStringToOString(
97 : basegfx::tools::exportToSvgD(toTest.getClipPoly(), true, true, false),
98 : RTL_TEXTENCODING_UTF8).getStr() );
99 : #endif
100 :
101 10 : B2DPolyPolygon aTmp1;
102 20 : CPPUNIT_ASSERT_MESSAGE(sName,
103 : tools::importFromSvgD(
104 10 : aTmp1, OUString::createFromAscii(sSvg), false, 0));
105 :
106 : const OUString aSvg=
107 20 : tools::exportToSvgD(toTest.getClipPoly(), true, true, false);
108 20 : B2DPolyPolygon aTmp2;
109 20 : CPPUNIT_ASSERT_MESSAGE(sName,
110 : tools::importFromSvgD(
111 10 : aTmp2, aSvg, false, 0));
112 :
113 20 : CPPUNIT_ASSERT_MESSAGE(
114 : sName,
115 20 : aTmp2 == aTmp1);
116 10 : }
117 :
118 2 : void verifySimpleRange()
119 : {
120 2 : const char* unionSvg="m100 10v90h-90v10h-20v-10h-90v-90h-10v-20h10v-90h90v-10h20v10h90v90h10v20z";
121 2 : const char* intersectSvg="m-100 10v-20h10v20zm90 90v-10h20v10zm0-190v-10h20v10zm100 100v-20h10v20z";
122 : const char* xorSvg="m-100 10h10v-20h-10zm90 90h20v-10h-20zm0-190h20v-10h-20zm100 100h10v-20h-10z"
123 2 : "m10 0v90h-90v10h-20v-10h-90v-90h-10v-20h10v-90h90v-10h20v10h90v90h10v20z";
124 2 : const char* subtractSvg="m-90 10v-20h-10v-90h90v10h20v-10h90v90h-10v20h10v90h-90v-10h-20v10h-90v-90z";
125 :
126 4 : CPPUNIT_ASSERT_MESSAGE("cleared clip stays empty under union operation",
127 2 : aUnion1.isCleared());
128 2 : verifyPoly("union", unionSvg, aUnion2);
129 2 : verifyPoly("intersect", intersectSvg, aIntersect);
130 2 : verifyPoly("xor", xorSvg, aXor);
131 2 : verifyPoly("subtract", subtractSvg, aSubtract);
132 2 : }
133 :
134 2 : void verifyMixedClips()
135 : {
136 2 : tools::B2DClipState aMixedClip;
137 :
138 2 : const char* unionSvg="m100 10v90h-90v10h-20v-10h-90v-90h-10v-20h10v-90h90v-10h20v10h90v90h10v20z";
139 :
140 4 : B2DPolyPolygon aTmp1;
141 : tools::importFromSvgD(
142 2 : aTmp1, OUString::createFromAscii(unionSvg), false, 0);
143 :
144 2 : aMixedClip.intersectPolyPolygon(aTmp1);
145 2 : aMixedClip.subtractRange(B2DRange(-20,-150,20,0));
146 2 : aMixedClip.subtractRange(B2DRange(-150,-20,0,20));
147 2 : aMixedClip.xorRange(B2DRange(-150,-150,150,150));
148 :
149 2 : const char* mixedClipSvg="m0 0v20h-100v80h90v10h20v-10h90v-90h10v-20h-10v-90h-80v100zm-20-20v-80h-80v80zm-130 170v-300h300v300z";
150 4 : verifyPoly("mixed clip", mixedClipSvg, aMixedClip);
151 2 : }
152 :
153 4 : CPPUNIT_TEST_SUITE(clipstate);
154 2 : CPPUNIT_TEST(verifySimpleRange);
155 2 : CPPUNIT_TEST(verifyMixedClips);
156 4 : CPPUNIT_TEST_SUITE_END();
157 : };
158 :
159 2 : CPPUNIT_TEST_SUITE_REGISTRATION(basegfx2d::clipstate);
160 6 : } // namespace basegfx2d
161 :
162 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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