1 /* 2 * Copyright 2012 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "Test.h" 9 #include "TestClassDef.h" 10 #include "SkPaint.h" 11 #include "SkPath.h" 12 #include "SkRect.h" 13 #include "SkStroke.h" 14 15 static bool equal(const SkRect& a, const SkRect& b) { 16 return SkScalarNearlyEqual(a.left(), b.left()) && 17 SkScalarNearlyEqual(a.top(), b.top()) && 18 SkScalarNearlyEqual(a.right(), b.right()) && 19 SkScalarNearlyEqual(a.bottom(), b.bottom()); 20 } 21 22 static void test_strokerect(skiatest::Reporter* reporter) { 23 const SkScalar width = SkIntToScalar(10); 24 SkPaint paint; 25 26 paint.setStyle(SkPaint::kStroke_Style); 27 paint.setStrokeWidth(width); 28 29 SkRect r = { 0, 0, SkIntToScalar(200), SkIntToScalar(100) }; 30 31 SkRect outer(r); 32 outer.outset(width/2, width/2); 33 34 static const SkPaint::Join joins[] = { 35 SkPaint::kMiter_Join, SkPaint::kRound_Join, SkPaint::kBevel_Join 36 }; 37 38 for (size_t i = 0; i < SK_ARRAY_COUNT(joins); ++i) { 39 paint.setStrokeJoin(joins[i]); 40 41 SkPath path, fillPath; 42 path.addRect(r); 43 paint.getFillPath(path, &fillPath); 44 45 REPORTER_ASSERT(reporter, equal(outer, fillPath.getBounds())); 46 47 bool isMiter = SkPaint::kMiter_Join == joins[i]; 48 SkRect nested[2]; 49 REPORTER_ASSERT(reporter, fillPath.isNestedRects(nested) == isMiter); 50 if (isMiter) { 51 SkRect inner(r); 52 inner.inset(width/2, width/2); 53 REPORTER_ASSERT(reporter, equal(nested[0], outer)); 54 REPORTER_ASSERT(reporter, equal(nested[1], inner)); 55 } 56 } 57 } 58 59 DEF_TEST(Stroke, reporter) { 60 test_strokerect(reporter); 61 } 62