sailfish-safe

Sailfish frontend for safe(1)
git clone git://git.z3bra.org/sailfish-safe.git
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imageprovider.cpp (2483B)

      1 /*
      2  *   Copyright (C) 2019  Daniel Vrátil <dvratil@kde.org>
      3  *                 2021  Willy Goiffon <contact@z3bra.org>
      4  *
      5  *   This program is free software: you can redistribute it and/or modify
      6  *   it under the terms of the GNU General Public License as published by
      7  *   the Free Software Foundation, either version 3 of the License, or
      8  *   (at your option) any later version.
      9  *
     10  *   This program is distributed in the hope that it will be useful,
     11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13  *   GNU General Public License for more details.
     14  *
     15  *   You should have received a copy of the GNU General Public License
     16  *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
     17  */
     18 
     19 
     20 #include "imageprovider.h"
     21 
     22 #include <QPainter>
     23 #include <QColor>
     24 #include <QMap>
     25 
     26 #include <sailfishapp.h>
     27 
     28 namespace {
     29 
     30 static const auto schemaMap = QMap<QString, QString>{
     31     {{QStringLiteral("passIcon"), QStringLiteral("icons")},
     32      {QStringLiteral("passImage"), QStringLiteral("images")}}
     33 };
     34 
     35 static QString pathForSchema(const QString &schema)
     36 {
     37     return schemaMap.value(schema);
     38 }
     39 
     40 }
     41 
     42 ImageProvider::ImageProvider(const QString &schema)
     43     : QQuickImageProvider(QQuickImageProvider::Pixmap)
     44     , mSchema(schema)
     45 {
     46     Q_ASSERT(schemaMap.contains(schema));
     47 }
     48 
     49 // Based on https://together.jolla.com/question/44325/iconbutton-how-to-use-own-icons-with-highlight/
     50 QPixmap ImageProvider::requestPixmap(const QString &id, QSize *size, const QSize &requestedSize)
     51 {
     52     const auto parts = id.splitRef(QLatin1Char('?'));
     53 
     54     auto source = findSource(parts.at(0));
     55     if (size) {
     56         *size = source.size();
     57     }
     58 
     59     if (parts.size() > 1) {
     60         const auto color = parts.at(1).toString();
     61         if (QColor::isValidColor(color)) {
     62             QPainter painter(&source);
     63             painter.setCompositionMode(QPainter::CompositionMode_SourceIn);
     64             painter.fillRect(source.rect(), color);
     65             painter.end();
     66         }
     67     }
     68 
     69     if (requestedSize.width() > 0 && requestedSize.height() > 0) {
     70         return source.scaled(requestedSize, Qt::IgnoreAspectRatio);
     71     } else {
     72         return source;
     73     }
     74 }
     75 
     76 QPixmap ImageProvider::findSource(const QStringRef &name)
     77 {
     78     const QString imgPath = QStringLiteral("qml/") % pathForSchema(mSchema) % QStringLiteral("/") % name;
     79     return QPixmap(SailfishApp::pathTo(imgPath).toString(QUrl::RemoveScheme));
     80 }