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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
// Qt-Security score:significant reason:default
#include "svgimageprovider.h"
#include <QImage>
#include <QPixmap>
#include <QSvgRenderer>
#include <QPainter>
QT_BEGIN_NAMESPACE
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 = QLatin1String(":/") + request.path();
if (request.hasQuery()) {
const QString query = request.query();
const QStringList paramList = query.split(QLatin1Char('&'), Qt::SkipEmptyParts);
QVariantMap params;
for (const QString ¶m : paramList) {
QStringList keyValue = param.split(QLatin1Char('='), Qt::SkipEmptyParts);
if (keyValue.size() == 2)
params[keyValue[0]] = keyValue[1];
}
const auto widthIt = params.constFind(QLatin1String("width"));
if (widthIt != params.cend()) {
bool ok = false;
int value = widthIt.value().toInt(&ok);
if (ok)
imageSize.setWidth(value);
}
const auto heightIt = params.constFind(QLatin1String("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(QLatin1String(".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;
}
QT_END_NAMESPACE