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Diffstat (limited to 'basegfx/test/SvgPathImportExport.cxx')
| -rw-r--r-- | basegfx/test/SvgPathImportExport.cxx | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/basegfx/test/SvgPathImportExport.cxx b/basegfx/test/SvgPathImportExport.cxx new file mode 100644 index 000000000..59f87e735 --- /dev/null +++ b/basegfx/test/SvgPathImportExport.cxx @@ -0,0 +1,241 @@ +/* -*- 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 . + */ + +#include <cppunit/TestAssert.h> +#include <cppunit/TestFixture.h> +#include <cppunit/extensions/HelperMacros.h> + +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <basegfx/polygon/b2dpolypolygon.hxx> +#include <basegfx/polygon/b2dpolypolygontools.hxx> + +namespace basegfx +{ + +class SvgPathImportExport : public CppUnit::TestFixture +{ +private: + OUString aPath0; + OUString aPath1; + OUString aPath2; + OUString aPath3; + +public: + // initialise your test code values here. + void setUp() override + { + // simple rectangle + aPath0 = "M 10 10-10 10-10-10 10-10Z"; + + // simple bezier polygon + aPath1 = "m11430 0c-8890 3810 5715 6985 5715 6985 " + "0 0-17145-1905-17145-1905 0 0 22860-10160 " + "16510 6350-6350 16510-3810-11430-3810-11430z"; + + // '@' as a bezier polygon + aPath2 = "m1917 1114c-89-189-233-284-430-284-167 " + "0-306 91-419 273-113 182-170 370-170 564 " + "0 145 33 259 98 342 65 84 150 126 257 126 " + "77 0 154-19 231-57 77-38 147-97 210-176 63" + "-79 99-143 109-190 38-199 76-398 114-598z" + "m840 1646c-133 73-312 139-537 197-225 57" + "-440 86-644 87-483-1-866-132-1150-392-284" + "-261-426-619-426-1076 0-292 67-560 200-803 " + "133-243 321-433 562-569 241-136 514-204 821" + "-204 405 0 739 125 1003 374 264 250 396 550 " + "396 899 0 313-88 576-265 787-177 212-386 318" + "-627 318-191 0-308-94-352-281-133 187-315 281" + "-546 281-172 0-315-67-428-200-113-133-170-301" + "-170-505 0-277 90-527 271-751 181-223 394" + "-335 640-335 196 0 353 83 470 250 13-68 26" + "-136 41-204 96 0 192 0 288 0-74 376-148 752" + "-224 1128-21 101-31 183-31 245 0 39 9 70 26 " + "93 17 24 39 36 67 36 145 0 279-80 400-240 121" + "-160 182-365 182-615 0-288-107-533-322-734" + "-215-201-487-301-816-301-395 0-715 124-960 " + "373-245 249-368 569-368 958 0 385 119 685 " + "357 900 237 216 557 324 958 325 189-1 389-27 " + "600-77 211-52 378-110 503-174 27 70 54 140 81 210z"; + + // first part of 'Hello World' as a line polygon + aPath3 = "m1598 125h306v2334h-306v-1105h-1293v1105h-305v" + "-2334h305v973h1293zm2159 1015 78-44 85 235-91 " + "47-91 40-90 34-90 29-89 21-88 16-88 10-88 3-102" + "-4-97-12-91-19-85-26-40-16-39-18-38-20-36-22-34" + "-24-33-26-32-27-30-30-29-31-27-33-25-33-23-36-21" + "-36-19-38-18-40-16-40-26-86-18-91-11-97-4-103 3" + "-98 11-94 17-89 24-84 31-79 37-75 22-35 23-34 24" + "-33 27-32 28-30 29-28 31-27 31-24 33-22 34-21 35" + "-18 37-17 38-14 38-13 41-11 41-8 86-12 91-4 82 4 " + "78 10 37 9 37 9 36 12 35 14 33 15 33 17 32 19 31 " + "21 30 22 30 25 55 54 26 29 24 31 22 32 21 33 19 " + "34 18 36 30 74 23 80 17 84 10 89 3 94v78h-1277l6 " + "75 10 70 14 66 19 62 23 57 13 26 14 26 15 25 17 " + "23 17 22 19 21 19 20 21 18 21 18 23 16 23 14 24 " + "14 26 12 26 11 27 10 28 8 59 13 63 7 67 3 80-3 81" + "-9 79-14 80-21 78-26 79-32zm-1049-808-12 53h963l" + "-7-51-11-49-14-46-17-43-21-40-24-38-27-36-31-32" + "-33-29-35-25-37-22-38-17-40-14-41-9-42-6-44-2-48 " + "2-46 6-44 9-42 13-40 17-38 21-36 24-34 28-32 32" + "-29 34-26 38-23 41-20 44-17 47zm1648-1293h288v" + "2459h-288zm752-2459h288v2459h-288zm1286-1750 86-11 " + "91-4 91 4 85 12 42 8 39 11 39 13 38 14 36 17 35 18 " + "34 20 33 23 31 24 30 26 29 28 28 30 26 32 25 33 23 " + "34 21 35 37 75 31 80 24 84 16 90 11 94 3 100-3 100" + "-11 95-16 89-24 85-31 80-37 74-21 35-23 35-25 32-26 " + "32-28 30-29 28-30 26-31 24-33 22-34 21-35 18-36 17" + "-38 14-39 13-39 10-42 9-85 12-91 4-91-4-86-12-41-9" + "-40-10-39-13-37-14-36-17-35-18-34-21-33-22-31-24-30" + "-26-29-28-28-30-26-32-25-32-23-35-21-35-38-74-30-80" + "-24-85-17-89-11-95-3-100 3-101 11-95 17-90 24-85 30" + "-79 38-75 21-35 23-35 25-32 26-32 28-30 29-28 30-26 " + "31-24 33-22 34-20 35-18 36-16 37-15 39-12 40-11z"; + } + + void testImportExport() + { + B2DPolyPolygon aPoly; + OUString aExport; + + CPPUNIT_ASSERT_MESSAGE("importing simple rectangle from SVG-D", + utils::importFromSvgD( aPoly, aPath0, false, nullptr )); + aExport = utils::exportToSvgD( aPoly, true, true, false ); + const char sExportString[] = "m10 10h-20v-20h20z"; + CPPUNIT_ASSERT_EQUAL_MESSAGE("exporting rectangle to SVG-D", + OUString(sExportString), aExport ); + CPPUNIT_ASSERT_MESSAGE("importing simple rectangle from SVG-D (round-trip", + utils::importFromSvgD( aPoly, aExport, false, nullptr )); + aExport = utils::exportToSvgD( aPoly, true, true, false ); + CPPUNIT_ASSERT_EQUAL_MESSAGE("exporting rectangle to SVG-D (round-trip)", + OUString(sExportString), aExport); + + CPPUNIT_ASSERT_MESSAGE("importing simple bezier polygon from SVG-D", + utils::importFromSvgD( aPoly, aPath1, false, nullptr )); + aExport = utils::exportToSvgD( aPoly, true, true, false ); + + // Adaptations for B2DPolygon bezier change (see #i77162#): + + // The import/export of aPath1 does not reproduce aExport again. This is + // correct since aPath1 contains a segment with non-used control points + // which gets exported now correctly as 'l' and also a point (#4, index 3) + // with C2 continuity which produces a 's' statement now. + + // The old SVGexport identified nun-used ControlVectors erroneously as Bezier segments + // because the 2nd vector at the start point was used, even when added + // with start point was identical to end point. Exactly for that reason + // i reworked the B2DPolygon to use prev, next control points. + + // so for correct unit test i add the new exported string here as sExportStringSimpleBezier + // and compare to it. + const char sExportStringSimpleBezier[] = + "m11430 0c-8890 3810 5715 6985 5715 6985" + "l-17145-1905c0 0 22860-10160 16510 6350" + "s-3810-11430-3810-11430z"; + CPPUNIT_ASSERT_EQUAL_MESSAGE("exporting bezier polygon to SVG-D", OUString(sExportStringSimpleBezier), aExport); + + // Adaptations for B2DPolygon bezier change (see #i77162#): + + // a 2nd good test is that re-importing of aExport has to create the same + // B2DPolPolygon again: + B2DPolyPolygon aReImport; + CPPUNIT_ASSERT_MESSAGE("importing simple bezier polygon from SVG-D", utils::importFromSvgD( aReImport, aExport, false, nullptr)); + CPPUNIT_ASSERT_EQUAL_MESSAGE("re-imported polygon needs to be identical", aPoly, aReImport); + + CPPUNIT_ASSERT_MESSAGE("importing '@' from SVG-D", utils::importFromSvgD( aPoly, aPath2, false, nullptr)); + aExport = utils::exportToSvgD( aPoly, true, true, false ); + + // Adaptations for B2DPolygon bezier change (see #i77162#): + + // same here, the corrected export with the corrected B2DPolygon is simply more efficient, + // so i needed to change the compare string. Also adding the re-import comparison below. + const char sExportString1[] = + "m1917 1114c-89-189-233-284-430-284-167 0-306 91-419 273s-170 370-17" + "0 564c0 145 33 259 98 342 65 84 150 126 257 126q115.5 0 231-57s147-97 210-176 99-143 109-190c38-199 76-398 114" + "-598zm840 1646c-133 73-312 139-537 197-225 57-440 86-644 87-483-1-866-132-1150-392-284-261-426-619-426-1076 0-" + "292 67-560 200-803s321-433 562-569 514-204 821-204c405 0 739 125 1003 374 264 250 396 550 396 899 0 313-88 576" + "-265 787q-265.5 318-627 318c-191 0-308-94-352-281-133 187-315 281-546 281-172 0-315-67-428-200s-170-301-170-50" + "5c0-277 90-527 271-751 181-223 394-335 640-335 196 0 353 83 470 250 13-68 26-136 41-204q144 0 288 0c-74 376-14" + "8 752-224 1128-21 101-31 183-31 245 0 39 9 70 26 93 17 24 39 36 67 36 145 0 279-80 400-240s182-365 182-615c0-2" + "88-107-533-322-734s-487-301-816-301c-395 0-715 124-960 373s-368 569-368 958q0 577.5 357 900c237 216 557 324 95" + "8 325 189-1 389-27 600-77 211-52 378-110 503-174q40.5 105 81 210z"; + CPPUNIT_ASSERT_MESSAGE("re-importing '@' from SVG-D", utils::importFromSvgD( aReImport, aExport, false, nullptr)); + CPPUNIT_ASSERT_EQUAL_MESSAGE("re-imported '@' needs to be identical", aPoly, aReImport); + + CPPUNIT_ASSERT_EQUAL_MESSAGE("exporting '@' to SVG-D", OUString(sExportString1), aExport); + CPPUNIT_ASSERT_MESSAGE("importing '@' from SVG-D (round-trip", + utils::importFromSvgD( aPoly, aExport, false, nullptr )); + aExport = utils::exportToSvgD( aPoly, true, true, false ); + CPPUNIT_ASSERT_EQUAL_MESSAGE("exporting '@' to SVG-D (round-trip)", + OUString(sExportString1), aExport); + + CPPUNIT_ASSERT_MESSAGE("importing complex polygon from SVG-D", + utils::importFromSvgD( aPoly, aPath3, false, nullptr )); + aExport = utils::exportToSvgD( aPoly, true, true, false ); + const char sExportString2[] = + "m1598 125h306v2334h-306v-1105h-1293v1105h-305v-2334h305v973h1293" + "zm2159 1015 78-44 85 235-91 47-91 40-90 34-90 29-89 21-88 16-88 10-88 3-102-4-97" + "-12-91-19-85-26-40-16-39-18-38-20-36-22-34-24-33-26-32-27-30-30-29-31-27-33-25-3" + "3-23-36-21-36-19-38-18-40-16-40-26-86-18-91-11-97-4-103 3-98 11-94 17-89 24-84 3" + "1-79 37-75 22-35 23-34 24-33 27-32 28-30 29-28 31-27 31-24 33-22 34-21 35-18 37-" + "17 38-14 38-13 41-11 41-8 86-12 91-4 82 4 78 10 37 9 37 9 36 12 35 14 33 15 33 1" + "7 32 19 31 21 30 22 30 25 55 54 26 29 24 31 22 32 21 33 19 34 18 36 30 74 23 80 " + "17 84 10 89 3 94v78h-1277l6 75 10 70 14 66 19 62 23 57 13 26 14 26 15 25 17 23 1" + "7 22 19 21 19 20 21 18 21 18 23 16 23 14 24 14 26 12 26 11 27 10 28 8 59 13 63 7" + " 67 3 80-3 81-9 79-14 80-21 78-26 79-32zm-1049-808-12 53h963l-7-51-11-49-14-46-1" + "7-43-21-40-24-38-27-36-31-32-33-29-35-25-37-22-38-17-40-14-41-9-42-6-44-2-48 2-4" + "6 6-44 9-42 13-40 17-38 21-36 24-34 28-32 32-29 34-26 38-23 41-20 44-17 47zm1648" + "-1293h288v2459h-288zm752-2459h288v2459h-288zm1286-1750 86-11 91-4 91 4 85 12 42 " + "8 39 11 39 13 38 14 36 17 35 18 34 20 33 23 31 24 30 26 29 28 28 30 26 32 25 33 " + "23 34 21 35 37 75 31 80 24 84 16 90 11 94 3 100-3 100-11 95-16 89-24 85-31 80-37" + " 74-21 35-23 35-25 32-26 32-28 30-29 28-30 26-31 24-33 22-34 21-35 18-36 17-38 1" + "4-39 13-39 10-42 9-85 12-91 4-91-4-86-12-41-9-40-10-39-13-37-14-36-17-35-18-34-2" + "1-33-22-31-24-30-26-29-28-28-30-26-32-25-32-23-35-21-35-38-74-30-80-24-85-17-89-" + "11-95-3-100 3-101 11-95 17-90 24-85 30-79 38-75 21-35 23-35 25-32 26-32 28-30 29" + "-28 30-26 31-24 33-22 34-20 35-18 36-16 37-15 39-12 40-11z"; + CPPUNIT_ASSERT_EQUAL_MESSAGE("exporting complex polygon to SVG-D", + OUString(sExportString2), aExport); + CPPUNIT_ASSERT_MESSAGE("importing complex polygon from SVG-D (round-trip", + utils::importFromSvgD( aPoly, aExport, false, nullptr )); + aExport = utils::exportToSvgD( aPoly, true, true, false ); + CPPUNIT_ASSERT_EQUAL_MESSAGE("exporting complex polygon to SVG-D (round-trip)", + OUString(sExportString2), aExport); + + const B2DPolygon aRect( + utils::createPolygonFromRect( B2DRange(0.0,0.0,4000.0,4000.0) )); + aExport = utils::exportToSvgD( B2DPolyPolygon(aRect), false, false, false ); + + const char sExportStringRect[] = "M0 0H4000V4000H0Z"; + CPPUNIT_ASSERT_EQUAL_MESSAGE("exporting to rectangle svg-d string", + OUString(sExportStringRect), aExport); + } + + // Change the following lines only, if you add, remove or rename + // member functions of the current class, + // because these macros are need by auto register mechanism. + + CPPUNIT_TEST_SUITE(SvgPathImportExport); + CPPUNIT_TEST(testImportExport); + CPPUNIT_TEST_SUITE_END(); +}; + +CPPUNIT_TEST_SUITE_REGISTRATION(basegfx::SvgPathImportExport); + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |