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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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86
gfx/2d/unittest/TestBugs.cpp Normal file
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "TestBugs.h"
#include "2D.h"
#include <string.h>
using namespace mozilla;
using namespace mozilla::gfx;
TestBugs::TestBugs()
{
REGISTER_TEST(TestBugs, CairoClip918671);
REGISTER_TEST(TestBugs, PushPopClip950550);
}
void
TestBugs::CairoClip918671()
{
RefPtr<DrawTarget> dt = Factory::CreateDrawTarget(BackendType::CAIRO,
IntSize(100, 100),
SurfaceFormat::B8G8R8A8);
RefPtr<DrawTarget> ref = Factory::CreateDrawTarget(BackendType::CAIRO,
IntSize(100, 100),
SurfaceFormat::B8G8R8A8);
// Create a path that extends around the center rect but doesn't intersect it.
RefPtr<PathBuilder> pb1 = dt->CreatePathBuilder();
pb1->MoveTo(Point(10, 10));
pb1->LineTo(Point(90, 10));
pb1->LineTo(Point(90, 20));
pb1->LineTo(Point(10, 20));
pb1->Close();
pb1->MoveTo(Point(90, 90));
pb1->LineTo(Point(91, 90));
pb1->LineTo(Point(91, 91));
pb1->LineTo(Point(91, 90));
pb1->Close();
RefPtr<Path> path1 = pb1->Finish();
dt->PushClip(path1);
// This center rect must NOT be rectilinear!
RefPtr<PathBuilder> pb2 = dt->CreatePathBuilder();
pb2->MoveTo(Point(50, 50));
pb2->LineTo(Point(55, 51));
pb2->LineTo(Point(54, 55));
pb2->LineTo(Point(50, 56));
pb2->Close();
RefPtr<Path> path2 = pb2->Finish();
dt->PushClip(path2);
dt->FillRect(Rect(0, 0, 100, 100), ColorPattern(Color(1,0,0)));
RefPtr<SourceSurface> surf1 = dt->Snapshot();
RefPtr<SourceSurface> surf2 = ref->Snapshot();
RefPtr<DataSourceSurface> dataSurf1 = surf1->GetDataSurface();
RefPtr<DataSourceSurface> dataSurf2 = surf2->GetDataSurface();
for (int y = 0; y < dt->GetSize().height; y++) {
VERIFY(memcmp(dataSurf1->GetData() + y * dataSurf1->Stride(),
dataSurf2->GetData() + y * dataSurf2->Stride(),
dataSurf1->GetSize().width * 4) == 0);
}
}
void
TestBugs::PushPopClip950550()
{
RefPtr<DrawTarget> dt = Factory::CreateDrawTarget(BackendType::CAIRO,
IntSize(500, 500),
SurfaceFormat::B8G8R8A8);
dt->PushClipRect(Rect(0, 0, 100, 100));
Matrix m(1, 0, 0, 1, 45, -100);
dt->SetTransform(m);
dt->PopClip();
// We fail the test if we assert in this call because our draw target's
// transforms are out of sync.
dt->FillRect(Rect(50, 50, 50, 50), ColorPattern(Color(0.5f, 0, 0, 1.0f)));
}