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Diffstat (limited to 'tests/DrawFilterTest.cpp')
-rw-r--r-- | tests/DrawFilterTest.cpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/tests/DrawFilterTest.cpp b/tests/DrawFilterTest.cpp new file mode 100644 index 0000000000..d01fa07338 --- /dev/null +++ b/tests/DrawFilterTest.cpp @@ -0,0 +1,44 @@ +/* + * Copyright 2015 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "SkCanvas.h" +#include "SkDrawFilter.h" +#include "SkSurface.h" +#include "Test.h" + +class TestFilter : public SkDrawFilter { +public: + bool filter(SkPaint* p, Type) override { + return true; + } +}; + +/** + * canvas.setDrawFilter is defined to be local to the save/restore block, such that if you + * do the following: save / modify-drawfilter / restore, the current drawfilter should be what + * it was before the save. + */ +static void test_saverestore(skiatest::Reporter* reporter) { + SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(10, 10)); + SkCanvas* canvas = surface->getCanvas(); + + + SkAutoTUnref<TestFilter> df(SkNEW(TestFilter)); + + REPORTER_ASSERT(reporter, NULL == canvas->getDrawFilter()); + + canvas->save(); + canvas->setDrawFilter(df); + REPORTER_ASSERT(reporter, NULL != canvas->getDrawFilter()); + canvas->restore(); + + REPORTER_ASSERT(reporter, NULL == canvas->getDrawFilter()); +} + +DEF_TEST(DrawFilter, reporter) { + test_saverestore(reporter); +} |