new files for pathops geometric intersection

There's no gyp references to these new files,
so this should only have the effect of reducing
the size of the commit that turns this code on.

TBR=

Review URL: https://codereview.chromium.org/853223002

1 files changed, 73 insertions, 0 deletions

diff --git a/tests/PathOpsBuilderTest.cpp b/tests/PathOpsBuilderTest.cpp
new file mode 100644
index 0000000000..1eadebc550
--- /dev/null
+++ b/tests/PathOpsBuilderTest.cpp
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#include "PathOpsTestCommon.h"
+#include "Test.h"
+
+DEF_TEST(PathOpsBuilder, reporter) {
+    SkOpBuilder builder;
+    SkPath result;
+    REPORTER_ASSERT(reporter, builder.resolve(&result));
+    REPORTER_ASSERT(reporter, result.isEmpty());
+
+    builder.add(result, kDifference_PathOp);
+    REPORTER_ASSERT(reporter, builder.resolve(&result));
+    REPORTER_ASSERT(reporter, result.isEmpty());
+
+    builder.add(result, kUnion_PathOp);
+    REPORTER_ASSERT(reporter, builder.resolve(&result));
+    REPORTER_ASSERT(reporter, result.isEmpty());
+
+    SkPath rectPath;
+    rectPath.addRect(0, 1, 2, 3, SkPath::kCW_Direction);
+    builder.add(rectPath, kUnion_PathOp);
+    REPORTER_ASSERT(reporter, builder.resolve(&result));
+    bool closed;
+    SkPath::Direction dir;
+    REPORTER_ASSERT(reporter, result.isRect(NULL, &closed, &dir));
+    REPORTER_ASSERT(reporter, closed);
+    REPORTER_ASSERT(reporter, dir == SkPath::kCW_Direction);
+    REPORTER_ASSERT(reporter, rectPath == result);
+
+    rectPath.reset();
+    rectPath.addRect(0, 1, 2, 3, SkPath::kCCW_Direction);
+    builder.add(rectPath, kUnion_PathOp);
+    REPORTER_ASSERT(reporter, builder.resolve(&result));
+    REPORTER_ASSERT(reporter, result.isRect(NULL, &closed, &dir));
+    REPORTER_ASSERT(reporter, closed);
+    REPORTER_ASSERT(reporter, dir == SkPath::kCCW_Direction);
+    REPORTER_ASSERT(reporter, rectPath == result);
+
+    builder.add(rectPath, kDifference_PathOp);
+    REPORTER_ASSERT(reporter, builder.resolve(&result));
+    REPORTER_ASSERT(reporter, result.isEmpty());
+
+    SkPath rect2, rect3;
+    rect2.addRect(2, 1, 4, 3, SkPath::kCW_Direction);
+    rect3.addRect(4, 1, 5, 3, SkPath::kCCW_Direction);
+    builder.add(rectPath, kUnion_PathOp);
+    builder.add(rect2, kUnion_PathOp);
+    builder.add(rect3, kUnion_PathOp);
+    REPORTER_ASSERT(reporter, builder.resolve(&result));
+    REPORTER_ASSERT(reporter, result.isRect(NULL, &closed, &dir));
+    REPORTER_ASSERT(reporter, closed);
+    SkRect expected;
+    expected.set(0, 1, 5, 3);
+    REPORTER_ASSERT(reporter, result.getBounds() == expected);
+
+    SkPath circle1, circle2, circle3;
+    circle1.addCircle(5, 6, 4, SkPath::kCW_Direction);
+    circle2.addCircle(7, 4, 8, SkPath::kCCW_Direction);
+    circle3.addCircle(6, 5, 6, SkPath::kCW_Direction);
+    SkPath opCompare;
+    Op(circle1, circle2, kUnion_PathOp, &opCompare);
+    Op(opCompare, circle3, kDifference_PathOp, &opCompare);
+    builder.add(circle1, kUnion_PathOp);
+    builder.add(circle2, kUnion_PathOp);
+    builder.add(circle3, kDifference_PathOp);
+    REPORTER_ASSERT(reporter, builder.resolve(&result));
+    REPORTER_ASSERT(reporter, opCompare == result);
+}