43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
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#include "Test.h"
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#include "SkPathMeasure.h"
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static void TestPathMeasure(skiatest::Reporter* reporter) {
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SkPath path;
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path.moveTo(0, 0);
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path.lineTo(SK_Scalar1, 0);
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path.lineTo(SK_Scalar1, SK_Scalar1);
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path.lineTo(0, SK_Scalar1);
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SkPathMeasure meas(path, true);
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SkScalar length = meas.getLength();
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SkASSERT(length == SK_Scalar1*4);
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path.reset();
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path.moveTo(0, 0);
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path.lineTo(SK_Scalar1*3, SK_Scalar1*4);
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meas.setPath(&path, false);
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length = meas.getLength();
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REPORTER_ASSERT(reporter, length == SK_Scalar1*5);
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path.reset();
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path.addCircle(0, 0, SK_Scalar1);
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meas.setPath(&path, true);
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length = meas.getLength();
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// SkDebugf("circle arc-length = %g\n", length);
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for (int i = 0; i < 8; i++) {
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SkScalar d = length * i / 8;
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SkPoint p;
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SkVector v;
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meas.getPosTan(d, &p, &v);
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#if 0
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SkDebugf("circle arc-length=%g, pos[%g %g] tan[%g %g]\n",
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d, p.fX, p.fY, v.fX, v.fY);
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#endif
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}
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}
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#include "TestClassDef.h"
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DEFINE_TESTCLASS("PathMeasure", PathMeasureTestClass, TestPathMeasure)
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