mirror of
https://gitlab.com/smart-pattern/valentina.git
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120 lines
3.8 KiB
C++
120 lines
3.8 KiB
C++
/************************************************************************
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**
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** @file utils.cpp
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date 12 1, 2022
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**
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** @brief
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** @copyright
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** This source code is part of the Valentina project, a pattern making
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** program, whose allow create and modeling patterns of clothing.
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** Copyright (C) 2022 Valentina project
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** <https://gitlab.com/smart-pattern/valentina> All Rights Reserved.
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**
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** Valentina is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** Valentina is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with Valentina. If not, see <http://www.gnu.org/licenses/>.
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**
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*************************************************************************/
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#include "utils.h"
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#include <QImageReader>
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#include <QMimeDatabase>
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#include <QMimeType>
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#include <QRegularExpressionMatch>
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#include <QSet>
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#include <QStringList>
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#include <QSvgRenderer>
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// Header <ciso646> is removed in C++20.
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#if __cplusplus <= 201703L
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#include <ciso646> // and, not, or
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#endif
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#include "../vmisc/compatibility.h"
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using namespace Qt::Literals::StringLiterals;
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//---------------------------------------------------------------------------------------------------------------------
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auto IsMimeTypeImage(const QMimeType &mime) -> bool
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{
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QStringList aliases = mime.aliases();
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aliases.prepend(mime.name());
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static QRegularExpression const rx(QStringLiteral("^image\\/[-\\w]+(\\.[-\\w]+)*([+][-\\w]+)?$"));
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return std::any_of(aliases.begin(), aliases.end(), [](const QString &name) { return rx.match(name).hasMatch(); });
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto SplitString(QString str) -> QStringList
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{
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QStringList list;
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const int n = 80;
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while (not str.isEmpty())
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{
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list.append(str.left(n));
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str.remove(0, n);
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}
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return list;
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto MimeTypeFromByteArray(const QByteArray &data) -> QMimeType
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{
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QMimeType mime = QMimeDatabase().mimeTypeForData(data);
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QSet<QString> aliases = ConvertToSet<QString>(mime.aliases());
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aliases.insert(mime.name());
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QSet<QString> const gzipMime{"application/gzip", "application/x-gzip"};
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if (gzipMime.contains(aliases))
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{
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QSvgRenderer const render(data);
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if (render.isValid())
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{
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mime = QMimeDatabase().mimeTypeForName(QStringLiteral("image/svg+xml-compressed"));
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}
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}
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return mime;
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto PrepareImageFilters() -> QString
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{
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const QList<QByteArray> supportedFormats = QImageReader::supportedImageFormats();
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const QSet<QString> filterFormats{"bmp", "jpeg", "jpg", "png", "svg", "svgz", "tif", "tiff", "webp"};
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QStringList sufixes;
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for (const auto &format : supportedFormats)
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{
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if (filterFormats.contains(format))
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{
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sufixes.append(QStringLiteral("*.%1").arg(QString(format)));
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}
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}
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QStringList filters;
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if (not sufixes.isEmpty())
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{
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filters.append(QObject::tr("Images") + " ("_L1 + sufixes.join(' '_L1) + ')'_L1);
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}
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filters.append(QObject::tr("All files") + " (*.*)"_L1);
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return filters.join(";;"_L1);
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}
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