342b7acc46
BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4394 Change-Id: I088b3c6e2adff07abed1e8a50091cc0ec4a4109c Reviewed-on: https://skia-review.googlesource.com/4394 Reviewed-by: Ben Wagner <bungeman@google.com> Commit-Queue: Hal Canary <halcanary@google.com>
50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkCanvas.h"
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#include "SkDrawFilter.h"
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#include "SkSurface.h"
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#include "Test.h"
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#ifdef SK_SUPPORT_LEGACY_DRAWFILTER
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namespace {
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class TestFilter : public SkDrawFilter {
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public:
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bool filter(SkPaint* p, Type) override {
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return true;
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}
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};
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}
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/**
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* canvas.setDrawFilter is defined to be local to the save/restore block, such that if you
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* do the following: save / modify-drawfilter / restore, the current drawfilter should be what
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* it was before the save.
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*/
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static void test_saverestore(skiatest::Reporter* reporter) {
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auto surface(SkSurface::MakeRasterN32Premul(10, 10));
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SkCanvas* canvas = surface->getCanvas();
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sk_sp<TestFilter> df(new TestFilter);
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REPORTER_ASSERT(reporter, nullptr == canvas->getDrawFilter());
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canvas->save();
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canvas->setDrawFilter(df.get());
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REPORTER_ASSERT(reporter, nullptr != canvas->getDrawFilter());
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canvas->restore();
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REPORTER_ASSERT(reporter, nullptr == canvas->getDrawFilter());
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}
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DEF_TEST(DrawFilter, reporter) {
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test_saverestore(reporter);
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}
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#endif
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