summaryrefslogtreecommitdiffstats
blob: 6d683bddb3047aa8e76a7659d84a860717319c68 (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
/*
 * Copyright (c) 2011-2016 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#include <Swift/QtUI/QtScaledAvatarCache.h>

#include <QByteArray>
#include <QDir>
#include <QFileInfo>
#include <QImage>
#include <QImageReader>
#include <QPainter>
#include <QPixmap>

#include <Swiften/Base/Log.h>

#include <Swift/QtUI/QtSwiftUtil.h>

namespace Swift {

QtScaledAvatarCache::QtScaledAvatarCache(int size) : size(size) {
}

QString QtScaledAvatarCache::getScaledAvatarPath(const QString& path) {
    QFileInfo avatarFile(path);
    if (avatarFile.exists()) {
        if (!avatarFile.dir().exists(QString::number(size))) {
            if (!avatarFile.dir().mkdir(QString::number(size))) {
                return path;
            }
        }
        QDir targetDir(avatarFile.dir().absoluteFilePath(QString::number(size)));
        QString targetFile = targetDir.absoluteFilePath(avatarFile.baseName());
        if (!QFileInfo(targetFile).exists()) {
            QPixmap avatarPixmap;
            if (avatarPixmap.load(path)) {
                QPixmap maskedAvatar(avatarPixmap.size());
                maskedAvatar.fill(QColor(0, 0, 0, 0));
                QPainter maskPainter(&maskedAvatar);
                maskPainter.setBrush(Qt::black);
                maskPainter.drawRoundedRect(maskedAvatar.rect(), 25.0, 25.0, Qt::RelativeSize);
                maskPainter.setCompositionMode(QPainter::CompositionMode_SourceIn);
                maskPainter.drawPixmap(0, 0, avatarPixmap);
                maskPainter.end();

                if (!maskedAvatar.scaled(size, size, Qt::KeepAspectRatio, Qt::SmoothTransformation).save(targetFile, "PNG")) {
                    return path;
                }
            } else {
                SWIFT_LOG(debug) << "Failed to load " << Q2PSTRING(path) << std::endl;
            }
        }
        return targetFile;
    }
    else {
        return path;
    }
}


}