1 /*
2 SPDX-FileCopyrightText: 2020 Kai Uwe Broulik <kde@broulik.de>
3
4 SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
5 */
6
7 #include <QImage>
8 #include <QImageReader>
9 #include <QTest>
10
imgEquals(const QImage & im1,const QImage & im2)11 static bool imgEquals(const QImage &im1, const QImage &im2)
12 {
13 const int height = im1.height();
14 const int width = im1.width();
15 for (int i = 0; i < height; ++i) {
16 const auto *line1 = reinterpret_cast<const quint8 *>(im1.scanLine(i));
17 const auto *line2 = reinterpret_cast<const quint8 *>(im2.scanLine(i));
18 for (int j = 0; j < width; ++j) {
19 if (line1[j] - line2[j] != 0) {
20 return false;
21 }
22 }
23 }
24 return true;
25 }
26
27 class AniTests : public QObject
28 {
29 Q_OBJECT
30
31 private Q_SLOTS:
initTestCase()32 void initTestCase()
33 {
34 QCoreApplication::addLibraryPath(QStringLiteral(PLUGIN_DIR));
35 }
36
testReadMetadata()37 void testReadMetadata()
38 {
39 QImageReader reader(QFINDTESTDATA("ani/test.ani"));
40
41 QVERIFY(reader.canRead());
42
43 QCOMPARE(reader.imageCount(), 4);
44
45 QCOMPARE(reader.size(), QSize(32, 32));
46
47 QCOMPARE(reader.text(QStringLiteral("Title")), QStringLiteral("ANI Test"));
48 QCOMPARE(reader.text(QStringLiteral("Author")), QStringLiteral("KDE Community"));
49 }
50
textRead()51 void textRead()
52 {
53 QImageReader reader(QFINDTESTDATA("ani/test.ani"));
54 QVERIFY(reader.canRead());
55 QCOMPARE(reader.currentImageNumber(), 0);
56
57 QImage aniFrame;
58 QVERIFY(reader.read(&aniFrame));
59
60 QImage img1(QFINDTESTDATA("ani/test_1.png"));
61 img1.convertTo(aniFrame.format());
62
63 QVERIFY(imgEquals(aniFrame, img1));
64
65 QCOMPARE(reader.nextImageDelay(), 166); // 10 "jiffies"
66
67 QVERIFY(reader.canRead());
68 // that read() above should have advanced us to the next frame
69 QCOMPARE(reader.currentImageNumber(), 1);
70
71 QVERIFY(reader.read(&aniFrame));
72 QImage img2(QFINDTESTDATA("ani/test_2.png"));
73 img2.convertTo(aniFrame.format());
74
75 QVERIFY(imgEquals(aniFrame, img2));
76
77 // The "middle" frame has a longer delay than the others
78 QCOMPARE(reader.nextImageDelay(), 333); // 20 "jiffies"
79
80 QVERIFY(reader.canRead());
81 QCOMPARE(reader.currentImageNumber(), 2);
82
83 QVERIFY(reader.read(&aniFrame));
84 QImage img3(QFINDTESTDATA("ani/test_3.png"));
85 img3.convertTo(aniFrame.format());
86
87 QVERIFY(imgEquals(aniFrame, img3));
88
89 QCOMPARE(reader.nextImageDelay(), 166);
90
91 QVERIFY(reader.canRead());
92 QCOMPARE(reader.currentImageNumber(), 3);
93
94 QVERIFY(reader.read(&aniFrame));
95 // custom sequence in the ANI file should get us back to img2
96 QVERIFY(imgEquals(aniFrame, img2));
97
98 QCOMPARE(reader.nextImageDelay(), 166);
99
100 // We should have reached the end now
101 QVERIFY(!reader.canRead());
102 QVERIFY(!reader.read(&aniFrame));
103
104 // Jump back to the start
105 QVERIFY(reader.jumpToImage(0));
106
107 QVERIFY(reader.canRead());
108 QCOMPARE(reader.currentImageNumber(), 0);
109
110 QCOMPARE(reader.nextImageDelay(), 166);
111
112 QVERIFY(reader.read(&aniFrame));
113 QVERIFY(imgEquals(aniFrame, img1));
114 }
115 };
116
117 QTEST_MAIN(AniTests)
118
119 #include "anitest.moc"
120
