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Adding new SkPathMeasure tests, defined out for now as they fail.

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Review URL: http://codereview.appspot.com/5529078

git-svn-id: http://skia.googlecode.com/svn/trunk@3029 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
schenney@chromium.org 2012-01-12 20:04:06 +00:00
parent e50f7361b4
commit 510c6b186d
1 changed files with 87 additions and 0 deletions
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87
tests/PathMeasureTest.cpp
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@ -43,6 +43,93 @@ static void TestPathMeasure(skiatest::Reporter* reporter) {
d, p.fX, p.fY, v.fX, v.fY);
#endif
}
#if 0
// Test the behavior following a close not followed by a move.
path.reset();
path.lineTo(SK_Scalar1, 0);
path.lineTo(SK_Scalar1, SK_Scalar1);
path.lineTo(0, SK_Scalar1);
path.close();
path.lineTo(-SK_Scalar1, 0);
meas.setPath(&path, false);
length = meas.getLength();
REPORTER_ASSERT(reporter, length == SK_Scalar1 * 4);
meas.nextContour();
length = meas.getLength();
REPORTER_ASSERT(reporter, length == SK_Scalar1);
SkPoint position;
SkVector tangent;
REPORTER_ASSERT(reporter, meas.getPosTan(SK_ScalarHalf, &position, &tangent));
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(position.fX, -SK_ScalarHalf, SK_Scalar1 * 0.0001));
REPORTER_ASSERT(reporter, position.fY == 0);
REPORTER_ASSERT(reporter, tangent.fX == -SK_Scalar1);
REPORTER_ASSERT(reporter, tangent.fY == 0);
// Test degenerate paths
path.reset();
path.moveTo(0, 0);
path.lineTo(0, 0);
path.lineTo(SK_Scalar1, 0);
path.quadTo(SK_Scalar1, 0, SK_Scalar1, 0);
path.quadTo(SK_Scalar1, SK_Scalar1, SK_Scalar1, SK_Scalar1 * 2);
path.cubicTo(SK_Scalar1, SK_Scalar1 * 2,
SK_Scalar1, SK_Scalar1 * 2,
SK_Scalar1, SK_Scalar1 * 2);
path.cubicTo(SK_Scalar1*2, SK_Scalar1 * 2,
SK_Scalar1*3, SK_Scalar1 * 2,
SK_Scalar1*4, SK_Scalar1 * 2);
meas.setPath(&path, false);
length = meas.getLength();
REPORTER_ASSERT(reporter, length == SK_Scalar1 * 6);
REPORTER_ASSERT(reporter, meas.getPosTan(SK_ScalarHalf, &position, &tangent));
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(position.fX, SK_ScalarHalf, SK_Scalar1 * 0.0001));
REPORTER_ASSERT(reporter, position.fY == 0);
REPORTER_ASSERT(reporter, tangent.fX == SK_Scalar1);
REPORTER_ASSERT(reporter, tangent.fY == 0);
REPORTER_ASSERT(reporter, meas.getPosTan(SK_Scalar1 * 2.5f, &position, &tangent));
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(position.fX, SK_Scalar1, SK_Scalar1 * 0.0001));
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(position.fY, SK_Scalar1 * 1.5f));
REPORTER_ASSERT(reporter, tangent.fX == 0);
REPORTER_ASSERT(reporter, tangent.fY == SK_Scalar1);
REPORTER_ASSERT(reporter, meas.getPosTan(SK_Scalar1 * 4.5f, &position, &tangent));
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(position.fX, SK_Scalar1 * 2.5f, SK_Scalar1 * 0.0001));
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(position.fY, SK_Scalar1 * 2.0f, SK_Scalar1 * 0.0001));
REPORTER_ASSERT(reporter, tangent.fX == SK_Scalar1);
REPORTER_ASSERT(reporter, tangent.fY == 0);
path.reset();
path.moveTo(0, 0);
path.lineTo(SK_Scalar1, 0);
path.moveTo(SK_Scalar1, SK_Scalar1);
path.moveTo(SK_Scalar1 * 2, SK_Scalar1 * 2);
path.lineTo(SK_Scalar1, SK_Scalar1 * 2);
meas.setPath(&path, false);
length = meas.getLength();
REPORTER_ASSERT(reporter, length == SK_Scalar1);
REPORTER_ASSERT(reporter, meas.getPosTan(SK_ScalarHalf, &position, &tangent));
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(position.fX, SK_ScalarHalf, SK_Scalar1 * 0.0001));
REPORTER_ASSERT(reporter, position.fY == 0);
REPORTER_ASSERT(reporter, tangent.fX == SK_Scalar1);
REPORTER_ASSERT(reporter, tangent.fY == 0);
meas.nextContour();
length = meas.getLength();
REPORTER_ASSERT(reporter, length == SK_Scalar1);
REPORTER_ASSERT(reporter, meas.getPosTan(SK_ScalarHalf, &position, &tangent));
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(position.fX, SK_Scalar1 * 1.5f, SK_Scalar1 * 0.0001));
REPORTER_ASSERT(reporter,
SkScalarNearlyEqual(position.fY, SK_Scalar1 * 2.0f, SK_Scalar1 * 0.0001));
REPORTER_ASSERT(reporter, tangent.fX == -SK_Scalar1);
REPORTER_ASSERT(reporter, tangent.fY == 0);
#endif
}
#include "TestClassDef.h"