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/*
* Copyright (c) 2011 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include "QtScaledAvatarCache.h"
#include <QFileInfo>
#include <QDir>
#include <QPixmap>
#include <QImage>
#include <QImageReader>
#include <QPainter>
#include <QByteArray>
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;
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;
}
}
return targetFile;
}
else {
return path;
}
}
}
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Swift