1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6
7 #include "TestBugs.h"
8 #include "2D.h"
9 #include <string.h>
10
11 using namespace mozilla;
12 using namespace mozilla::gfx;
13
TestBugs()14 TestBugs::TestBugs() {
15 REGISTER_TEST(TestBugs, CairoClip918671);
16 REGISTER_TEST(TestBugs, PushPopClip950550);
17 }
18
CairoClip918671()19 void TestBugs::CairoClip918671() {
20 RefPtr<DrawTarget> dt = Factory::CreateDrawTarget(
21 BackendType::CAIRO, IntSize(100, 100), SurfaceFormat::B8G8R8A8);
22 RefPtr<DrawTarget> ref = Factory::CreateDrawTarget(
23 BackendType::CAIRO, IntSize(100, 100), SurfaceFormat::B8G8R8A8);
24 // Create a path that extends around the center rect but doesn't intersect it.
25 RefPtr<PathBuilder> pb1 = dt->CreatePathBuilder();
26 pb1->MoveTo(Point(10, 10));
27 pb1->LineTo(Point(90, 10));
28 pb1->LineTo(Point(90, 20));
29 pb1->LineTo(Point(10, 20));
30 pb1->Close();
31 pb1->MoveTo(Point(90, 90));
32 pb1->LineTo(Point(91, 90));
33 pb1->LineTo(Point(91, 91));
34 pb1->LineTo(Point(91, 90));
35 pb1->Close();
36
37 RefPtr<Path> path1 = pb1->Finish();
38 dt->PushClip(path1);
39
40 // This center rect must NOT be rectilinear!
41 RefPtr<PathBuilder> pb2 = dt->CreatePathBuilder();
42 pb2->MoveTo(Point(50, 50));
43 pb2->LineTo(Point(55, 51));
44 pb2->LineTo(Point(54, 55));
45 pb2->LineTo(Point(50, 56));
46 pb2->Close();
47
48 RefPtr<Path> path2 = pb2->Finish();
49 dt->PushClip(path2);
50
51 dt->FillRect(Rect(0, 0, 100, 100), ColorPattern(DeviceColor(1, 0, 0)));
52
53 RefPtr<SourceSurface> surf1 = dt->Snapshot();
54 RefPtr<SourceSurface> surf2 = ref->Snapshot();
55
56 RefPtr<DataSourceSurface> dataSurf1 = surf1->GetDataSurface();
57 RefPtr<DataSourceSurface> dataSurf2 = surf2->GetDataSurface();
58
59 DataSourceSurface::ScopedMap map1(dataSurf1, DataSourceSurface::READ);
60 DataSourceSurface::ScopedMap map2(dataSurf2, DataSourceSurface::READ);
61 for (int y = 0; y < dt->GetSize().height; y++) {
62 VERIFY(memcmp(map1.GetData() + y * map1.GetStride(),
63 map2.GetData() + y * map2.GetStride(),
64 dataSurf1->GetSize().width * 4) == 0);
65 }
66 }
67
PushPopClip950550()68 void TestBugs::PushPopClip950550() {
69 RefPtr<DrawTarget> dt = Factory::CreateDrawTarget(
70 BackendType::CAIRO, IntSize(500, 500), SurfaceFormat::B8G8R8A8);
71 dt->PushClipRect(Rect(0, 0, 100, 100));
72 Matrix m(1, 0, 0, 1, 45, -100);
73 dt->SetTransform(m);
74 dt->PopClip();
75
76 // We fail the test if we assert in this call because our draw target's
77 // transforms are out of sync.
78 dt->FillRect(Rect(50, 50, 50, 50),
79 ColorPattern(DeviceColor(0.5f, 0, 0, 1.0f)));
80 }
81