gfx/2d/unittest/TestBugs.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/2d/unittest/TestBugs.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,86 @@
     1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
     1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "TestBugs.h"
    1.10 +#include "2D.h"
    1.11 +#include <string.h>
    1.12 +
    1.13 +using namespace mozilla;
    1.14 +using namespace mozilla::gfx;
    1.15 +
    1.16 +TestBugs::TestBugs()
    1.17 +{
    1.18 +  REGISTER_TEST(TestBugs, CairoClip918671);
    1.19 +  REGISTER_TEST(TestBugs, PushPopClip950550);
    1.20 +}
    1.21 +
    1.22 +void
    1.23 +TestBugs::CairoClip918671()
    1.24 +{
    1.25 +  RefPtr<DrawTarget> dt = Factory::CreateDrawTarget(BackendType::CAIRO,
    1.26 +                                                    IntSize(100, 100),
    1.27 +                                                    SurfaceFormat::B8G8R8A8);
    1.28 +  RefPtr<DrawTarget> ref = Factory::CreateDrawTarget(BackendType::CAIRO,
    1.29 +                                                     IntSize(100, 100),
    1.30 +                                                     SurfaceFormat::B8G8R8A8);
    1.31 +  // Create a path that extends around the center rect but doesn't intersect it.
    1.32 +  RefPtr<PathBuilder> pb1 = dt->CreatePathBuilder();
    1.33 +  pb1->MoveTo(Point(10, 10));
    1.34 +  pb1->LineTo(Point(90, 10));
    1.35 +  pb1->LineTo(Point(90, 20));
    1.36 +  pb1->LineTo(Point(10, 20));
    1.37 +  pb1->Close();
    1.38 +  pb1->MoveTo(Point(90, 90));
    1.39 +  pb1->LineTo(Point(91, 90));
    1.40 +  pb1->LineTo(Point(91, 91));
    1.41 +  pb1->LineTo(Point(91, 90));
    1.42 +  pb1->Close();
    1.43 +
    1.44 +  RefPtr<Path> path1 = pb1->Finish();
    1.45 +  dt->PushClip(path1);
    1.46 +
    1.47 +  // This center rect must NOT be rectilinear!
    1.48 +  RefPtr<PathBuilder> pb2 = dt->CreatePathBuilder();
    1.49 +  pb2->MoveTo(Point(50, 50));
    1.50 +  pb2->LineTo(Point(55, 51));
    1.51 +  pb2->LineTo(Point(54, 55));
    1.52 +  pb2->LineTo(Point(50, 56));
    1.53 +  pb2->Close();
    1.54 +
    1.55 +  RefPtr<Path> path2 = pb2->Finish();
    1.56 +  dt->PushClip(path2);
    1.57 +
    1.58 +  dt->FillRect(Rect(0, 0, 100, 100), ColorPattern(Color(1,0,0)));
    1.59 +
    1.60 +  RefPtr<SourceSurface> surf1 = dt->Snapshot();
    1.61 +  RefPtr<SourceSurface> surf2 = ref->Snapshot();
    1.62 +
    1.63 +  RefPtr<DataSourceSurface> dataSurf1 = surf1->GetDataSurface();
    1.64 +  RefPtr<DataSourceSurface> dataSurf2 = surf2->GetDataSurface();
    1.65 +
    1.66 +  for (int y = 0; y < dt->GetSize().height; y++) {
    1.67 +    VERIFY(memcmp(dataSurf1->GetData() + y * dataSurf1->Stride(),
    1.68 +                  dataSurf2->GetData() + y * dataSurf2->Stride(),
    1.69 +                  dataSurf1->GetSize().width * 4) == 0);
    1.70 +  }
    1.71 +
    1.72 +}
    1.73 +
    1.74 +void
    1.75 +TestBugs::PushPopClip950550()
    1.76 +{
    1.77 +  RefPtr<DrawTarget> dt = Factory::CreateDrawTarget(BackendType::CAIRO,
    1.78 +                                                    IntSize(500, 500),
    1.79 +                                                    SurfaceFormat::B8G8R8A8);
    1.80 +  dt->PushClipRect(Rect(0, 0, 100, 100));
    1.81 +  Matrix m(1, 0, 0, 1, 45, -100);
    1.82 +  dt->SetTransform(m);
    1.83 +  dt->PopClip();
    1.84 +
    1.85 +  // We fail the test if we assert in this call because our draw target's
    1.86 +  // transforms are out of sync.
    1.87 +  dt->FillRect(Rect(50, 50, 50, 50), ColorPattern(Color(0.5f, 0, 0, 1.0f)));
    1.88 +}
    1.89 +

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