1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Copyright (C) 2016 Ivan Komissarov.
5** Contact: https://www.qt.io/licensing/
6**
7** This file is part of the DDS plugin in the Qt ImageFormats module.
8**
9** $QT_BEGIN_LICENSE:GPL-EXCEPT$
10** Commercial License Usage
11** Licensees holding valid commercial Qt licenses may use this file in
12** accordance with the commercial license agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and The Qt Company. For licensing terms
15** and conditions see https://www.qt.io/terms-conditions. For further
16** information use the contact form at https://www.qt.io/contact-us.
17**
18** GNU General Public License Usage
19** Alternatively, this file may be used under the terms of the GNU
20** General Public License version 3 as published by the Free Software
21** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
22** included in the packaging of this file. Please review the following
23** information to ensure the GNU General Public License requirements will
24** be met: https://www.gnu.org/licenses/gpl-3.0.html.
25**
26** $QT_END_LICENSE$
27**
28****************************************************************************/
29
30#include <QtTest/QtTest>
31#include <QtGui/QtGui>
32
33class tst_qdds: public QObject
34{
35 Q_OBJECT
36
37private slots:
38 void initTestCase();
39 void readImage_data();
40 void readImage();
41 void testMipmaps_data();
42 void testMipmaps();
43 void testWriteImage_data();
44 void testWriteImage();
45};
46
47void tst_qdds::initTestCase()
48{
49 if (!QImageReader::supportedImageFormats().contains(t: "dds"))
50 QSKIP("The image format handler is not installed.");
51}
52
53void tst_qdds::readImage_data()
54{
55 QTest::addColumn<QString>(name: "fileName");
56 QTest::addColumn<QSize>(name: "size");
57
58 QTest::newRow(dataTag: "1") << QString("A1R5G5B5") << QSize(64, 64);
59 QTest::newRow(dataTag: "2") << QString("A2B10G10R10") << QSize(64, 64);
60 QTest::newRow(dataTag: "3") << QString("A2R10G10B10") << QSize(64, 64);
61 QTest::newRow(dataTag: "4") << QString("A2W10V10U10") << QSize(64, 64);
62 QTest::newRow(dataTag: "5") << QString("A4L4") << QSize(64, 64);
63 QTest::newRow(dataTag: "6") << QString("A4R4G4B4") << QSize(64, 64);
64 QTest::newRow(dataTag: "7") << QString("A8") << QSize(64, 64);
65 QTest::newRow(dataTag: "8") << QString("A8B8G8R8") << QSize(64, 64);
66 QTest::newRow(dataTag: "9") << QString("A8L8") << QSize(64, 64);
67 QTest::newRow(dataTag: "10") << QString("A8R3G3B2") << QSize(64, 64);
68 QTest::newRow(dataTag: "11") << QString("A8R8G8B8") << QSize(64, 64);
69 QTest::newRow(dataTag: "12") << QString("A16B16G16R16") << QSize(64, 64);
70 QTest::newRow(dataTag: "13") << QString("A16B16G16R16F") << QSize(64, 64);
71 QTest::newRow(dataTag: "14") << QString("A32B32G32R32F") << QSize(64, 64);
72 QTest::newRow(dataTag: "15") << QString("CxV8U8") << QSize(64, 64);
73 QTest::newRow(dataTag: "16") << QString("DXT1") << QSize(50, 50);
74 QTest::newRow(dataTag: "17") << QString("DXT2") << QSize(64, 64);
75 QTest::newRow(dataTag: "18") << QString("DXT3") << QSize(64, 64);
76 QTest::newRow(dataTag: "19") << QString("DXT4") << QSize(64, 64);
77 QTest::newRow(dataTag: "20") << QString("DXT5") << QSize(64, 64);
78 QTest::newRow(dataTag: "21") << QString("G8R8_G8B8") << QSize(64, 64);
79 QTest::newRow(dataTag: "22") << QString("G16R16") << QSize(64, 64);
80 QTest::newRow(dataTag: "23") << QString("G16R16F") << QSize(64, 64);
81 QTest::newRow(dataTag: "24") << QString("G32R32F") << QSize(64, 64);
82 QTest::newRow(dataTag: "25") << QString("L6V5U5") << QSize(64, 64);
83 QTest::newRow(dataTag: "26") << QString("L8") << QSize(64, 64);
84 QTest::newRow(dataTag: "27") << QString("L16") << QSize(64, 64);
85 QTest::newRow(dataTag: "28") << QString("P8") << QSize(64, 64);
86 QTest::newRow(dataTag: "29") << QString("Q8W8V8U8") << QSize(64, 64);
87 QTest::newRow(dataTag: "30") << QString("Q16W16V16U16") << QSize(64, 64);
88 QTest::newRow(dataTag: "31") << QString("R3G3B2") << QSize(64, 64);
89 QTest::newRow(dataTag: "32") << QString("R5G6B5") << QSize(64, 64);
90 QTest::newRow(dataTag: "33") << QString("R8G8_B8G8") << QSize(64, 64);
91 QTest::newRow(dataTag: "34") << QString("R8G8B8") << QSize(64, 64);
92 QTest::newRow(dataTag: "35") << QString("R16F") << QSize(64, 64);
93 QTest::newRow(dataTag: "36") << QString("R32F") << QSize(64, 64);
94 QTest::newRow(dataTag: "37") << QString("UYVY") << QSize(64, 64);
95 QTest::newRow(dataTag: "38") << QString("V8U8") << QSize(64, 64);
96 QTest::newRow(dataTag: "39") << QString("V16U16") << QSize(64, 64);
97 QTest::newRow(dataTag: "40") << QString("X1R5G5B5") << QSize(64, 64);
98 QTest::newRow(dataTag: "41") << QString("X4R4G4B4") << QSize(64, 64);
99 QTest::newRow(dataTag: "42") << QString("X8B8G8R8") << QSize(64, 64);
100 QTest::newRow(dataTag: "43") << QString("X8L8V8U8") << QSize(64, 64);
101 QTest::newRow(dataTag: "44") << QString("X8R8G8B8") << QSize(64, 64);
102 QTest::newRow(dataTag: "45") << QString("YUY2") << QSize(64, 64);
103 QTest::newRow(dataTag: "46") << QString("RXGB") << QSize(64, 64);
104 QTest::newRow(dataTag: "47") << QString("ATI2") << QSize(64, 64);
105 QTest::newRow(dataTag: "48") << QString("P4") << QSize(64, 64);
106 QTest::newRow(dataTag: "49") << QString("A8R8G8B8.2") << QSize(64, 32);
107}
108
109void tst_qdds::readImage()
110{
111 QFETCH(QString, fileName);
112 QFETCH(QSize, size);
113
114 const QString path = QStringLiteral(":/dds/") + fileName + QStringLiteral(".dds");
115 const QByteArray subType = fileName.left(n: fileName.lastIndexOf(c: QLatin1Char('.'))).toLatin1();
116 QImageReader reader(path);
117 QVERIFY(reader.canRead());
118 QVERIFY(reader.supportsOption(QImageIOHandler::SubType));
119 QCOMPARE(reader.subType(), subType);
120 QVERIFY(reader.supportsOption(QImageIOHandler::SupportedSubTypes));
121 QImage image = reader.read();
122 QVERIFY2(!image.isNull(), qPrintable(reader.errorString()));
123 QCOMPARE(image.size(), size);
124}
125
126void tst_qdds::testMipmaps_data()
127{
128 QTest::addColumn<QString>(name: "fileName");
129 QTest::addColumn<QSize>(name: "size");
130 QTest::addColumn<int>(name: "imageCount");
131
132 QTest::newRow(dataTag: "1") << QString("mipmaps") << QSize(64, 64) << 7;
133}
134
135void tst_qdds::testMipmaps()
136{
137 QFETCH(QString, fileName);
138 QFETCH(QSize, size);
139 QFETCH(int, imageCount);
140
141 const QString path = QStringLiteral(":/dds/") + fileName + QStringLiteral(".dds");
142 QImageReader reader(path);
143 QVERIFY(reader.canRead());
144 QCOMPARE(reader.imageCount(), imageCount);
145
146 for (int i = 0; i < reader.imageCount(); ++i) {
147 reader.jumpToImage(imageNumber: i);
148 QImage image = reader.read();
149 QVERIFY2(!image.isNull(), qPrintable(reader.errorString()));
150 QCOMPARE(image.size(), size / (1 << i));
151 }
152}
153
154void tst_qdds::testWriteImage_data()
155{
156 QTest::addColumn<QString>(name: "fileName");
157 QTest::addColumn<QSize>(name: "size");
158
159 QTest::newRow(dataTag: "1") << QString("A8R8G8B8") << QSize(64, 64);
160 QTest::newRow(dataTag: "2") << QString("A8R8G8B8.2") << QSize(64, 32);
161}
162
163void tst_qdds::testWriteImage()
164{
165 QFETCH(QString, fileName);
166 QFETCH(QSize, size);
167
168 const QString path = fileName + QStringLiteral(".dds");
169 const QString sourcePath = QStringLiteral(":/dds/") + fileName + QStringLiteral(".dds");
170 const QByteArray subType = fileName.left(n: fileName.lastIndexOf(c: QLatin1Char('.'))).toLatin1();
171
172 QImage image(sourcePath);
173 QVERIFY(!image.isNull());
174 QVERIFY(image.size() == size);
175
176 QImageWriter writer(path, QByteArrayLiteral("dds"));
177 QVERIFY2(writer.canWrite(), qPrintable(writer.errorString()));
178 writer.setSubType(subType);
179 QVERIFY2(writer.write(image), qPrintable(writer.errorString()));
180
181 QVERIFY(image == QImage(path));
182
183 QImageReader reader(path);
184 QVERIFY(reader.canRead());
185 QCOMPARE(reader.size(), size);
186 QCOMPARE(reader.subType(), subType);
187}
188
189QTEST_MAIN(tst_qdds)
190#include "tst_qdds.moc"
191

source code of qtimageformats/tests/auto/dds/tst_qdds.cpp