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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Virtual Keyboard module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "svgimageprovider.h"
#include <QImage>
#include <QPixmap>
#include <QSvgRenderer>
#include <QPainter>
SvgImageProvider::SvgImageProvider() :
QQuickImageProvider(QQuickImageProvider::Pixmap)
{
}
SvgImageProvider::~SvgImageProvider()
{
}
QPixmap SvgImageProvider::requestPixmap(const QString &id, QSize *size, const QSize &requestedSize)
{
QSize imageSize(-1, -1);
QUrl request(id);
QString imagePath = ":/" + request.path();
if (request.hasQuery()) {
const QString query = request.query();
const QStringList paramList = query.split(QChar('&'), QString::SkipEmptyParts);
QVariantMap params;
for (const QString ¶m : paramList) {
QStringList keyValue = param.split(QChar('='), QString::SkipEmptyParts);
if (keyValue.length() == 2)
params[keyValue[0]] = keyValue[1];
}
const auto widthIt = params.constFind("width");
if (widthIt != params.cend()) {
bool ok = false;
int value = widthIt.value().toInt(&ok);
if (ok)
imageSize.setWidth(value);
}
const auto heightIt = params.constFind("height");
if (heightIt != params.cend()) {
bool ok = false;
int value = heightIt.value().toInt(&ok);
if (ok)
imageSize.setHeight(value);
}
} else {
imageSize = requestedSize;
}
QPixmap image;
if ((imageSize.width() > 0 || imageSize.height() > 0) && imagePath.endsWith(".svg")) {
QSvgRenderer renderer(imagePath);
QSize defaultSize(renderer.defaultSize());
if (defaultSize.isEmpty())
return image;
if (imageSize.width() <= 0 && imageSize.height() > 0) {
double aspectRatio = (double)defaultSize.width() / (double)defaultSize.height();
imageSize.setWidth(qRound(imageSize.height() * aspectRatio));
} else if (imageSize.width() > 0 && imageSize.height() <= 0) {
double aspectRatio = (double)defaultSize.width() / (double)defaultSize.height();
imageSize.setHeight(qRound(imageSize.width() / aspectRatio));
}
image = QPixmap(imageSize);
image.fill(Qt::transparent);
QPainter painter(&image);
renderer.render(&painter, image.rect());
} else {
image = QPixmap(imagePath);
imageSize = image.size();
}
QPixmap result;
if (requestedSize.isValid() && requestedSize != imageSize)
result = image.scaled(requestedSize, Qt::KeepAspectRatio);
else
result = image;
*size = result.size();
return result;
}
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