reed | 51985e3 | 2015-04-11 08:04:56 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 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 "SkCanvas.h" |
| 9 | #include "SkDrawFilter.h" |
| 10 | #include "SkSurface.h" |
| 11 | #include "Test.h" |
| 12 | |
reed | ffab15f | 2015-04-11 19:29:31 -0700 | [diff] [blame] | 13 | namespace { |
reed | 51985e3 | 2015-04-11 08:04:56 -0700 | [diff] [blame] | 14 | class TestFilter : public SkDrawFilter { |
| 15 | public: |
| 16 | bool filter(SkPaint* p, Type) override { |
| 17 | return true; |
| 18 | } |
| 19 | }; |
reed | ffab15f | 2015-04-11 19:29:31 -0700 | [diff] [blame] | 20 | } |
reed | 51985e3 | 2015-04-11 08:04:56 -0700 | [diff] [blame] | 21 | |
| 22 | /** |
| 23 | * canvas.setDrawFilter is defined to be local to the save/restore block, such that if you |
| 24 | * do the following: save / modify-drawfilter / restore, the current drawfilter should be what |
| 25 | * it was before the save. |
| 26 | */ |
| 27 | static void test_saverestore(skiatest::Reporter* reporter) { |
| 28 | SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(10, 10)); |
| 29 | SkCanvas* canvas = surface->getCanvas(); |
| 30 | |
| 31 | |
| 32 | SkAutoTUnref<TestFilter> df(SkNEW(TestFilter)); |
| 33 | |
| 34 | REPORTER_ASSERT(reporter, NULL == canvas->getDrawFilter()); |
| 35 | |
| 36 | canvas->save(); |
| 37 | canvas->setDrawFilter(df); |
| 38 | REPORTER_ASSERT(reporter, NULL != canvas->getDrawFilter()); |
| 39 | canvas->restore(); |
| 40 | |
| 41 | REPORTER_ASSERT(reporter, NULL == canvas->getDrawFilter()); |
| 42 | } |
| 43 | |
| 44 | DEF_TEST(DrawFilter, reporter) { |
| 45 | test_saverestore(reporter); |
| 46 | } |