diff options
Diffstat (limited to 'basegfx')
| -rw-r--r-- | basegfx/source/polygon/b2dpolypolygontools.cxx | 18 | ||||
| -rw-r--r-- | basegfx/test/B2DPolygonTest.cxx | 20 |
2 files changed, 38 insertions, 0 deletions
diff --git a/basegfx/source/polygon/b2dpolypolygontools.cxx b/basegfx/source/polygon/b2dpolypolygontools.cxx index 062e37da9dae..d537531a4600 100644 --- a/basegfx/source/polygon/b2dpolypolygontools.cxx +++ b/basegfx/source/polygon/b2dpolypolygontools.cxx @@ -416,6 +416,24 @@ namespace basegfx return aRetval; } + bool containsOnlyHorizontalOrVerticalLines(const basegfx::B2DPolygon& rPolygon) + { + if (rPolygon.count() <= 1) + return false; + + for (size_t i = 1; i < rPolygon.count(); ++i) + { + const basegfx::B2DPoint& rPrevPoint = rPolygon.getB2DPoint(i - 1); + const basegfx::B2DPoint& rPoint = rPolygon.getB2DPoint(i); + if (rPrevPoint.getX() == rPoint.getX() || rPrevPoint.getY() == rPoint.getY()) + continue; + + return false; + } + + return true; + } + B2DPolyPolygon createSevenSegmentPolyPolygon(sal_Char nNumber, bool bLitSegments) { // config here diff --git a/basegfx/test/B2DPolygonTest.cxx b/basegfx/test/B2DPolygonTest.cxx index 9f0d1ef98dcc..316a916f931f 100644 --- a/basegfx/test/B2DPolygonTest.cxx +++ b/basegfx/test/B2DPolygonTest.cxx @@ -22,6 +22,7 @@ #include <cppunit/extensions/HelperMacros.h> #include <basegfx/polygon/b2dpolygon.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> #include <basegfx/point/b2dpoint.hxx> namespace basegfx @@ -77,12 +78,31 @@ public: CPPUNIT_ASSERT_EQUAL_MESSAGE("#2 second polygon point wrong", B2DPoint(3, 3), aPoly.getB2DPoint(1)); } + + void testContainsOnlyHorizontalOrVerticalLines() + { + // First line is horziontal, second is vertical. + B2DPolygon aPoly; + aPoly.append(B2DPoint(0, 1)); + aPoly.append(B2DPoint(1, 1)); + aPoly.append(B2DPoint(1, 0)); + CPPUNIT_ASSERT(utils::containsOnlyHorizontalOrVerticalLines(aPoly)); + + // First line is diagonal, second is vertical. + aPoly.clear(); + aPoly.append(B2DPoint(0, 0)); + aPoly.append(B2DPoint(1, 1)); + aPoly.append(B2DPoint(1, 0)); + CPPUNIT_ASSERT(!utils::containsOnlyHorizontalOrVerticalLines(aPoly)); + } + // 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(b2dpolygon); CPPUNIT_TEST(testBasics); + CPPUNIT_TEST(testContainsOnlyHorizontalOrVerticalLines); CPPUNIT_TEST_SUITE_END(); }; // class b2dpolygon |