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/*
* 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"
#ifdef SK_SUPPORT_LEGACY_DRAWFILTER
namespace {
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(new TestFilter);
REPORTER_ASSERT(reporter, nullptr == canvas->getDrawFilter());
canvas->save();
canvas->setDrawFilter(df);
REPORTER_ASSERT(reporter, nullptr != canvas->getDrawFilter());
canvas->restore();
REPORTER_ASSERT(reporter, nullptr == canvas->getDrawFilter());
}
DEF_TEST(DrawFilter, reporter) {
test_saverestore(reporter);
}
#endif
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