summaryrefslogtreecommitdiffstats
path: root/tests/auto/uiloader/tst_screenshot/main.cpp
blob: 6da8b246906dc71cfd8ad0469b81ad20904e20fe (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
/*
 * This program takes a *.ui file and an output dir as argument in order to
 * create a screenshot of the widget defined in the ui file.
 *
 * The screenshot is saved in the output dir (default current dir), ".png" is
 * appended to the ui file name.
 */

#include <QApplication>
#include <QWidget>
#include <QFile>
#include <QDebug>

#include <QDir>

#include <iostream>

using namespace std;


#ifdef Q_WS_QWS
// we don't compile designer on embedded...

int main(int argc, char **argv)
{
    return 0;
}


#else

#include <QUiLoader>

/*
 * Take the path of an ui file and return appropriate QWidget.
 */

QWidget* getWidgetFromUiFile(const QString& fileNameUiFile)
{
    qDebug() << "\t\t\t...loading ui file" << fileNameUiFile;

    QUiLoader loader;
    QFile uiFile(fileNameUiFile);
    if (!uiFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
		qDebug("\t\tError: QFile.open() failed.");
		exit(EXIT_FAILURE);
	}

    QFileInfo fileInfo(fileNameUiFile);
    QDir::setCurrent(fileInfo.absolutePath()); //for the stylesheet to find their images

    QWidget *ui = loader.load(&uiFile);
	if (!ui) {
		qDebug("\t\tError: Quilodader.load() returned NULL pointer.");
		exit(EXIT_FAILURE);
	}
    uiFile.close();

    return ui;
}



/*
 * Takes the actual screenshot.
 *
 * Hint: provide filename without extension, ".png" will be added
 */

void makeScreenshot(QWidget* widget, const QString& fileName, const QString& pathOutputDir)
{
    QFileInfo fileInfo(fileName);
    QString realFileName = fileInfo.completeBaseName() + "." + fileInfo.suffix() + ".png";
    QString realPath = pathOutputDir + "/" + realFileName;


    //QString realFileName = fileName + ".png";
    qDebug() << "\t\t\t...Taking screenshot" << fileInfo.absoluteFilePath();

    //widget->show();
    qApp->processEvents();
    QImage originalPixmap(widget->size(),QImage::Format_ARGB32);
    widget->render(&originalPixmap);
	if ( originalPixmap.isNull() ) {
		qDebug("\t\tError: QPixmap::grabWidget() returned a NULL QPixmap.");
		exit(EXIT_FAILURE);
	}
    //QString fileName = QDir::currentPath() + "/secondwidget." + format;
    if ( !originalPixmap.save(realPath, "PNG") ) {
		qDebug("\t\tError: QPixmap.save() failed.");
		exit(EXIT_FAILURE);
	}
    qDebug() << "\t\t\t...Screenshot saved in" << realPath;

    widget->close();
}



/*
 * Call this if you just want to pass the ui file name and the output dir.
 */

void createScreenshotFromUiFile(const QString& fileNameUiFile, const QString pathOutputDir)
{
    qDebug() << "\t\tCreating screenshot from widget defined in" << fileNameUiFile;

    QWidget* w = getWidgetFromUiFile(fileNameUiFile);
    makeScreenshot(w, fileNameUiFile, pathOutputDir);
}



/*
 * Start here.
 */

int main(int argc, char **argv)
{
    QApplication app(argc, argv);

    // check for necessary arguments
    if (argc == 1) {
        cout << "Syntax: " << argv[0] << " <path to *.ui file> [output directory]" << endl;
        cout << "" << endl;
        cout << "Takes a *.ui file and an output dir as argument in order to" << endl;
        cout << "create a screenshot of the widget defined in the ui file." << endl;
        cout << "" << endl;
        cout << "The screenshot is saved in the output dir (default current dir)," << endl;
        cout << "'.png' is appended to the ui file name." << endl;
        exit(EXIT_FAILURE);
    }


    // check for *.ui
    QString fileName = app.arguments().value(1);
    if ( !fileName.endsWith(".ui") ) {
        qDebug() << fileName + " is not a *.ui file.";
        exit(EXIT_FAILURE);
    }

    // does the file exist?
    QFile uiFile(fileName);
    if ( !uiFile.exists() ) {
        qDebug() << fileName + " does not exist.";
        exit(EXIT_FAILURE);
    }

    // check output directory
    QString pathOutputDir = QDir::currentPath();

    if (argc >= 3 ) {
        QDir outputDir = app.arguments().value(2);
        if ( outputDir.exists() ) {
            pathOutputDir = outputDir.absolutePath();
        } else {
            qDebug() << outputDir.absolutePath() + " does not exist or is not a directory.";
            exit(EXIT_FAILURE);
        }
    }

    // take the screenshot
    createScreenshotFromUiFile(fileName, pathOutputDir);

    app.quit();
    return 0;
}

#endif