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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 <cppunit/TestAssert.h>
21 : #include <cppunit/TestFixture.h>
22 : #include <cppunit/extensions/HelperMacros.h>
23 :
24 : #include <basegfx/vector/b2isize.hxx>
25 : #include <basegfx/range/b2ibox.hxx>
26 : #include <basegfx/point/b2ipoint.hxx>
27 : #include <basegfx/matrix/b2dhommatrix.hxx>
28 : #include <basegfx/polygon/b2dpolygon.hxx>
29 : #include <basegfx/polygon/b2dpolygontools.hxx>
30 : #include <basegfx/polygon/b2dpolypolygon.hxx>
31 : #include <basegfx/polygon/b2dpolypolygontools.hxx>
32 :
33 : #include <basebmp/color.hxx>
34 : #include <basebmp/scanlineformats.hxx>
35 : #include <basebmp/bitmapdevice.hxx>
36 : #include "tools.hxx"
37 :
38 : using namespace ::basebmp;
39 :
40 : namespace
41 : {
42 42 : class PolyTest : public CppUnit::TestFixture
43 : {
44 : private:
45 : BitmapDeviceSharedPtr mpDevice1bpp;
46 : BitmapDeviceSharedPtr mpDevice32bpp;
47 :
48 4 : void implTestEmpty(const BitmapDeviceSharedPtr& rDevice)
49 : {
50 4 : const Color aCol(0xFFFFFFFF);
51 4 : const Color aBgCol(0);
52 4 : rDevice->clear(aBgCol);
53 4 : basegfx::B2DPolyPolygon aPoly;
54 :
55 : basegfx::tools::importFromSvgD(
56 : aPoly,
57 4 : OUString( "M2 2 l7 7 z" ), false, NULL );
58 : rDevice->fillPolyPolygon(
59 : aPoly,
60 : aCol,
61 4 : DrawMode_PAINT );
62 8 : CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 0",
63 4 : countPixel( rDevice, aCol ) == 0);
64 :
65 :
66 :
67 4 : rDevice->clear(aBgCol);
68 4 : aPoly.clear();
69 : basegfx::tools::importFromSvgD(
70 : aPoly,
71 4 : OUString( "M7 2 l-6 6 z" ), false, NULL );
72 : rDevice->fillPolyPolygon(
73 : aPoly,
74 : aCol,
75 4 : DrawMode_PAINT );
76 8 : CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 0(b)",
77 8 : countPixel( rDevice, aCol ) == 0);
78 4 : }
79 :
80 4 : void implTestHairline(const BitmapDeviceSharedPtr& rDevice)
81 : {
82 4 : const Color aCol(0xFFFFFFFF);
83 4 : const Color aBgCol(0);
84 4 : rDevice->clear(aBgCol);
85 4 : basegfx::B2DPolyPolygon aPoly;
86 :
87 : basegfx::tools::importFromSvgD(
88 : aPoly,
89 4 : OUString( "M2 2 h1 l7 7 h-1 z" ), false, NULL );
90 : rDevice->fillPolyPolygon(
91 : aPoly,
92 : aCol,
93 4 : DrawMode_PAINT );
94 8 : CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 7",
95 4 : countPixel( rDevice, aCol ) == 7);
96 :
97 :
98 :
99 4 : rDevice->clear(aBgCol);
100 4 : aPoly.clear();
101 : basegfx::tools::importFromSvgD(
102 : aPoly,
103 4 : OUString( "M7 2 h-1 l-6 6 h1 z" ), false, NULL );
104 : rDevice->fillPolyPolygon(
105 : aPoly,
106 : aCol,
107 4 : DrawMode_PAINT );
108 8 : CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 6",
109 4 : countPixel( rDevice, aCol ) == 6);
110 :
111 :
112 :
113 4 : rDevice->clear(aBgCol);
114 4 : aPoly.clear();
115 : basegfx::tools::importFromSvgD(
116 : aPoly,
117 4 : OUString( "M0 0 l7 7 h-1 l-5-7 z" ), false, NULL );
118 : rDevice->fillPolyPolygon(
119 : aPoly,
120 : aCol,
121 4 : DrawMode_PAINT );
122 8 : CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 3",
123 8 : countPixel( rDevice, aCol ) == 3);
124 4 : }
125 :
126 4 : void implTestPolyPoly(const BitmapDeviceSharedPtr& rDevice)
127 : {
128 4 : const Color aCol(0xFFFFFFFF);
129 4 : const Color aBgCol(0);
130 4 : rDevice->clear(aBgCol);
131 4 : basegfx::B2DPolyPolygon aPoly;
132 :
133 : basegfx::tools::importFromSvgD( aPoly,
134 : OUString( "M0 0 h7 v7 h-7 z M2 2 v3 h3 v-3 z" ),
135 4 : false, NULL );
136 :
137 : rDevice->fillPolyPolygon(
138 : aPoly,
139 : aCol,
140 4 : DrawMode_PAINT );
141 8 : CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 40",
142 8 : countPixel( rDevice, aCol ) == 40);
143 4 : }
144 :
145 4 : void implTestPolyPolyClip(const BitmapDeviceSharedPtr& rDevice)
146 : {
147 4 : const Color aCol(0xFFFFFFFF);
148 4 : const Color aBgCol(0);
149 4 : rDevice->clear(aBgCol);
150 4 : basegfx::B2DPolyPolygon aPoly;
151 :
152 : basegfx::tools::importFromSvgD( aPoly,
153 : OUString( "M0 0 h7 v7 h-7 z M2 2 v3 h3 v-3 z" ),
154 4 : false, NULL );
155 8 : basegfx::B2DHomMatrix aMat;
156 4 : aMat.translate(-3,-3);
157 4 : aMat.rotate( 1.7 );
158 4 : aMat.translate(6,5);
159 4 : aPoly.transform(aMat);
160 :
161 : rDevice->fillPolyPolygon(
162 : aPoly,
163 : aCol,
164 4 : DrawMode_PAINT );
165 :
166 8 : CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 39",
167 4 : countPixel( rDevice, aCol ) == 39);
168 :
169 : BitmapDeviceSharedPtr pClippedDevice(
170 : subsetBitmapDevice( rDevice,
171 8 : basegfx::B2IBox(3,3,5,8) ));
172 8 : CPPUNIT_ASSERT_MESSAGE("size of subsetted device is not (2,5)",
173 4 : pClippedDevice->getSize() == basegfx::B2IVector(2,5));
174 :
175 4 : rDevice->clear(aBgCol);
176 : pClippedDevice->fillPolyPolygon(
177 : aPoly,
178 : aCol,
179 4 : DrawMode_PAINT );
180 8 : CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 7",
181 8 : countPixel( rDevice, aCol ) == 7);
182 4 : }
183 :
184 4 : void implTestLineDrawClip(const BitmapDeviceSharedPtr& rDevice)
185 : {
186 4 : const Color aCol(0xFFFFFFFF);
187 4 : const Color aBgCol(0);
188 4 : rDevice->clear(aBgCol);
189 :
190 : // create rectangular subset, such that we can 'see' extra
191 : // pixel outside
192 : BitmapDeviceSharedPtr pClippedDevice=(
193 : subsetBitmapDevice( rDevice,
194 4 : basegfx::B2IBox(3,3,5,9) ));
195 :
196 : // trigger "alternate bresenham" case in
197 : // clippedlinerenderer.hxx, first point not clipped
198 8 : const basegfx::B2IPoint aPt1(3,3);
199 8 : const basegfx::B2IPoint aPt2(4,2);
200 4 : pClippedDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
201 :
202 8 : CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 1",
203 4 : countPixel( rDevice, aCol ) == 1);
204 :
205 : // trigger "alternate bresenham" case in
206 : // clippedlinerenderer.hxx, both start and endpoint clipped
207 8 : const basegfx::B2IPoint aPt3(0,4);
208 4 : pClippedDevice->drawLine( aPt3, aPt2, aCol, DrawMode_XOR );
209 :
210 8 : CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 0",
211 4 : countPixel( rDevice, aCol ) == 0);
212 :
213 : // trigger "standard bresenham" case in
214 : // clippedlinerenderer.hxx, first point not clipped
215 8 : const basegfx::B2IPoint aPt4(6,2);
216 4 : pClippedDevice->drawLine( aPt1, aPt4, aCol, DrawMode_PAINT );
217 :
218 8 : CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 2",
219 4 : countPixel( rDevice, aCol ) == 2);
220 :
221 : // trigger "clipCode1 & aMinFlag/bMinFlag" cases in
222 : // clippedlinerenderer.hxx (note1: needs forcing end point to
223 : // be clipped as well, otherwise optimization kicks in. note2:
224 : // needs forcing end point to clip on two edges, not only on
225 : // one, otherwise swap kicks in)
226 8 : const basegfx::B2IPoint aPt5(1,1);
227 8 : const basegfx::B2IPoint aPt6(6,10);
228 4 : pClippedDevice->drawLine( aPt5, aPt6, aCol, DrawMode_XOR );
229 :
230 8 : CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 6",
231 4 : countPixel( rDevice, aCol ) == 6);
232 :
233 : // trigger "clipCode1 & (aMinFlag|aMaxFlag)" case in
234 : // clippedlinerenderer.hxx that was not taken for the test
235 : // above
236 4 : pClippedDevice->drawLine( aPt3, aPt6, aCol, DrawMode_XOR );
237 :
238 8 : CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 8",
239 8 : countPixel( rDevice, aCol ) == 8);
240 :
241 4 : }
242 :
243 4 : void implTestPolyDrawClip(const BitmapDeviceSharedPtr& rDevice)
244 : {
245 4 : const Color aCol(0xFFFFFFFF);
246 4 : const Color aBgCol(0);
247 4 : rDevice->clear(aBgCol);
248 4 : basegfx::B2DPolyPolygon aPoly;
249 :
250 : // test all corner-touching lines of our clip rect. note that
251 : // *all* of the four two-pixel lines in that polygon do *not*
252 : // generate a single pixel, due to the rasterization effect.
253 : basegfx::tools::importFromSvgD( aPoly,
254 : OUString( "M2 3 l1 -1 M4 2 l1 1 M2 8 l1 1 M5 8 l-1 1 M2 5 h4 M3 0 v10" ),
255 4 : false, NULL );
256 : BitmapDeviceSharedPtr pClippedDevice=(
257 : subsetBitmapDevice( rDevice,
258 8 : basegfx::B2IBox(3,3,5,9) ));
259 :
260 28 : for( unsigned int i=0; i<aPoly.count(); ++i )
261 : pClippedDevice->drawPolygon(
262 : aPoly.getB2DPolygon(i),
263 : aCol,
264 24 : DrawMode_PAINT );
265 :
266 8 : CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 7",
267 8 : countPixel( rDevice, aCol ) == 7);
268 4 : }
269 :
270 4 : void implTestPolyPolyCrissCross(const BitmapDeviceSharedPtr& rDevice)
271 : {
272 4 : const Color aCol(0xFFFFFFFF);
273 4 : const Color aBgCol(0);
274 4 : rDevice->clear(aBgCol);
275 4 : basegfx::B2DPolyPolygon aPoly;
276 :
277 : basegfx::tools::importFromSvgD( aPoly,
278 : OUString( "M0 0 v2 l10 2 v-2 z"
279 : "M10 6 v-2 l-10 2 v2 z"
280 : "M1 0 h1 v10 h-1 z"
281 : "M4 0 h1 v10 h-1 z"
282 : "M8 0 h1 v10 h-1 z" ),
283 4 : false, NULL );
284 : rDevice->fillPolyPolygon(
285 : aPoly,
286 : aCol,
287 4 : DrawMode_PAINT );
288 8 : CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 46",
289 8 : countPixel( rDevice, aCol ) == 46);
290 4 : }
291 :
292 :
293 : public:
294 14 : void setUp() SAL_OVERRIDE
295 : {
296 14 : const basegfx::B2ISize aSize(10,10);
297 28 : mpDevice1bpp = createBitmapDevice( aSize,
298 : true,
299 14 : FORMAT_ONE_BIT_MSB_PAL );
300 28 : mpDevice32bpp = createBitmapDevice( aSize,
301 : true,
302 28 : FORMAT_THIRTYTWO_BIT_TC_MASK_BGRA );
303 14 : }
304 :
305 2 : void testEmpty()
306 : {
307 2 : implTestEmpty( mpDevice1bpp );
308 2 : implTestEmpty( mpDevice32bpp );
309 2 : }
310 :
311 2 : void testHairline()
312 : {
313 2 : implTestHairline( mpDevice1bpp );
314 2 : implTestHairline( mpDevice32bpp );
315 2 : }
316 :
317 2 : void testPolyPoly()
318 : {
319 2 : implTestPolyPoly( mpDevice1bpp );
320 2 : implTestPolyPoly( mpDevice32bpp );
321 2 : }
322 :
323 2 : void testPolyPolyClip()
324 : {
325 2 : implTestPolyPolyClip(mpDevice1bpp);
326 2 : implTestPolyPolyClip(mpDevice32bpp);
327 2 : }
328 :
329 2 : void testLineDrawClip()
330 : {
331 2 : implTestLineDrawClip(mpDevice1bpp);
332 2 : implTestLineDrawClip(mpDevice32bpp);
333 2 : }
334 :
335 2 : void testPolyDrawClip()
336 : {
337 2 : implTestPolyDrawClip(mpDevice1bpp);
338 2 : implTestPolyDrawClip(mpDevice32bpp);
339 2 : }
340 :
341 2 : void testPolyPolyCrissCross()
342 : {
343 2 : implTestPolyPolyCrissCross(mpDevice1bpp);
344 2 : implTestPolyPolyCrissCross(mpDevice32bpp);
345 2 : }
346 :
347 : // Change the following lines only, if you add, remove or rename
348 : // member functions of the current class,
349 : // because these macros are need by auto register mechanism.
350 :
351 4 : CPPUNIT_TEST_SUITE(PolyTest);
352 2 : CPPUNIT_TEST(testEmpty);
353 2 : CPPUNIT_TEST(testHairline);
354 2 : CPPUNIT_TEST(testPolyPoly);
355 2 : CPPUNIT_TEST(testPolyPolyClip);
356 2 : CPPUNIT_TEST(testLineDrawClip);
357 2 : CPPUNIT_TEST(testPolyDrawClip);
358 2 : CPPUNIT_TEST(testPolyPolyCrissCross);
359 4 : CPPUNIT_TEST_SUITE_END();
360 : };
361 :
362 2 : CPPUNIT_TEST_SUITE_REGISTRATION(PolyTest);
363 6 : }
364 :
365 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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