106 lines
3.5 KiB
C++
106 lines
3.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2018 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qtexturefilereader_p.h"
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#include "qpkmhandler_p.h"
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#include "qktxhandler_p.h"
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#include "qastchandler_p.h"
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#include <QFileInfo>
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QT_BEGIN_NAMESPACE
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QTextureFileReader::QTextureFileReader(QIODevice *device, const QString &fileName)
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: m_device(device), m_fileName(fileName)
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{
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}
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QTextureFileReader::~QTextureFileReader()
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{
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delete m_handler;
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}
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QTextureFileData QTextureFileReader::read()
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{
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if (!canRead())
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return QTextureFileData();
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return m_handler->read();
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}
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bool QTextureFileReader::canRead()
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{
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if (!checked) {
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checked = true;
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if (!init())
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return false;
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QByteArray headerBlock = m_device->peek(64);
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QFileInfo fi(m_fileName);
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QByteArray suffix = fi.suffix().toLower().toLatin1();
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QByteArray logName = fi.fileName().toUtf8();
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// Currently the handlers are hardcoded; later maybe a list of plugins
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if (QPkmHandler::canRead(suffix, headerBlock)) {
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m_handler = new QPkmHandler(m_device, logName);
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} else if (QKtxHandler::canRead(suffix, headerBlock)) {
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m_handler = new QKtxHandler(m_device, logName);
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} else if (QAstcHandler::canRead(suffix, headerBlock)) {
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m_handler = new QAstcHandler(m_device, logName);
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}
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// else if OtherHandler::canRead() ...etc.
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}
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return (m_handler != nullptr);
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}
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QList<QByteArray> QTextureFileReader::supportedFileFormats()
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{
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// Hardcoded for now
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return {QByteArrayLiteral("pkm"), QByteArrayLiteral("ktx"), QByteArrayLiteral("astc")};
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}
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bool QTextureFileReader::init()
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{
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if (!m_device)
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return false;
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return m_device->isReadable();
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}
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QT_END_NAMESPACE
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