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/*
* Copyright (C) 2010 Felix Geyer <debfx@fobos.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 or (at your option)
* version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "DatabaseIcons.h"
#include "core/Config.h"
#include "core/Global.h"
#include <QDir>
#include <QImageReader>
#include <QPainter>
#include <QPixmapCache>
DatabaseIcons* DatabaseIcons::m_instance(nullptr);
namespace
{
const QString iconDir = QStringLiteral(":/icons/database/");
QStringList iconList;
const QString badgeDir = QStringLiteral(":/icons/badges/");
QStringList badgeList;
} // namespace
DatabaseIcons::DatabaseIcons()
{
iconList = QDir(iconDir).entryList(QDir::NoFilter, QDir::Name);
badgeList = QDir(badgeDir).entryList(QDir::NoFilter, QDir::Name);
// Set this early and once to ensure consistent icon size until app restart
m_compactMode = config()->get(Config::GUI_CompactMode).toBool();
}
DatabaseIcons* DatabaseIcons::instance()
{
if (!m_instance) {
m_instance = new DatabaseIcons();
}
return m_instance;
}
QPixmap DatabaseIcons::icon(int index, IconSize size)
{
if (index < 0 || index >= count()) {
qWarning("DatabaseIcons::icon: invalid icon index %d, using 0 instead", index);
index = 0;
Q_ASSERT_X(false, "DatabaseIcons::icon", "invalid icon index %d");
}
auto cacheKey = QString::number(index);
auto icon = m_iconCache.value(cacheKey);
if (icon.isNull()) {
icon.addFile(iconDir + iconList[index]);
icon.addPixmap(icon.pixmap(64));
m_iconCache.insert(cacheKey, icon);
}
return icon.pixmap(iconSize(size));
}
QPixmap DatabaseIcons::applyBadge(const QPixmap& basePixmap, Badges badgeIndex)
{
const auto cacheKey = QStringLiteral("badgedicon-%1-%2").arg(basePixmap.cacheKey()).arg(badgeIndex);
QPixmap pixmap = basePixmap;
if (badgeIndex < 0 || badgeIndex >= badgeList.size()) {
qWarning("DatabaseIcons: Out-of-range badge index given to applyBadge: %d", badgeIndex);
} else if (!QPixmapCache::find(cacheKey, &pixmap)) {
int baseSize = basePixmap.width();
int badgeSize =
baseSize <= iconSize(IconSize::Default) * basePixmap.devicePixelRatio() ? baseSize * 0.6 : baseSize * 0.5;
QPoint badgePos(baseSize - badgeSize, baseSize - badgeSize);
badgePos /= basePixmap.devicePixelRatio();
QImageReader reader(badgeDir + badgeList[badgeIndex]);
reader.setScaledSize({badgeSize, badgeSize});
auto badge = QPixmap::fromImageReader(&reader);
badge.setDevicePixelRatio(basePixmap.devicePixelRatio());
QPainter painter(&pixmap);
painter.setCompositionMode(QPainter::CompositionMode_SourceOver);
painter.drawPixmap(badgePos, badge);
QPixmapCache::insert(cacheKey, pixmap);
}
return pixmap;
}
int DatabaseIcons::count()
{
return iconList.size();
}
int DatabaseIcons::iconSize(IconSize size)
{
switch (size) {
case Medium:
return m_compactMode ? 26 : 30;
case Large:
return m_compactMode ? 30 : 36;
default:
return m_compactMode ? 16 : 22;
}
}
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