| /**************************************************************************** |
| ** |
| ** 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 |
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| ** 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 |
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| ****************************************************************************/ |
| |
| #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 = 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.length() == 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; |
| } |