From 603dbedf293839e6707e2d4dfdd3949b06f9762c Mon Sep 17 00:00:00 2001 From: "reed@google.com" Date: Tue, 20 Nov 2012 19:00:28 +0000 Subject: add specialty strokeRect() to SkStroke, which can return much cleaner results Review URL: https://codereview.appspot.com/6843093 git-svn-id: http://skia.googlecode.com/svn/trunk@6510 2bbb7eff-a529-9590-31e7-b0007b416f81 --- tests/StrokeTest.cpp | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 tests/StrokeTest.cpp (limited to 'tests/StrokeTest.cpp') diff --git a/tests/StrokeTest.cpp b/tests/StrokeTest.cpp new file mode 100644 index 0000000000..a6c481a136 --- /dev/null +++ b/tests/StrokeTest.cpp @@ -0,0 +1,64 @@ +/* + * Copyright 2012 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "Test.h" +#include "SkPaint.h" +#include "SkPath.h" +#include "SkRect.h" +#include "SkStroke.h" + +static bool equal(const SkRect& a, const SkRect& b) { + return SkScalarNearlyEqual(a.left(), b.left()) && + SkScalarNearlyEqual(a.top(), b.top()) && + SkScalarNearlyEqual(a.right(), b.right()) && + SkScalarNearlyEqual(a.bottom(), b.bottom()); +} + +static void test_strokerect(skiatest::Reporter* reporter) { + const SkScalar width = SkIntToScalar(10); + SkPaint paint; + + paint.setStyle(SkPaint::kStroke_Style); + paint.setStrokeWidth(width); + + SkRect r = { 0, 0, SkIntToScalar(200), SkIntToScalar(100) }; + + SkRect outer(r); + outer.outset(width/2, width/2); + + static const SkPaint::Join joins[] = { + SkPaint::kMiter_Join, SkPaint::kRound_Join, SkPaint::kBevel_Join + }; + + for (size_t i = 0; i < SK_ARRAY_COUNT(joins); ++i) { + paint.setStrokeJoin(joins[i]); + + SkPath path, fillPath; + path.addRect(r); + paint.getFillPath(path, &fillPath); + + REPORTER_ASSERT(reporter, equal(outer, fillPath.getBounds())); + + bool isMiter = SkPaint::kMiter_Join == joins[i]; + SkRect nested[2]; + REPORTER_ASSERT(reporter, fillPath.isNestedRects(nested) == isMiter); + if (isMiter) { + SkRect inner(r); + inner.inset(width/2, width/2); + REPORTER_ASSERT(reporter, equal(nested[0], outer)); + REPORTER_ASSERT(reporter, equal(nested[1], inner)); + } + } +} + +static void TestStroke(skiatest::Reporter* reporter) { + test_strokerect(reporter); +} + +#include "TestClassDef.h" +DEFINE_TESTCLASS("Stroke", TestStrokeClass, TestStroke) + -- cgit v1.2.3