1 files changed, 102 insertions, 0 deletions
diff --git a/src/gui/util/qtexturefilereader.cpp b/src/gui/util/qtexturefilereader.cpp
new file mode 100644
index 0000000000..5d4bd600e0
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+++ b/src/gui/util/qtexturefilereader.cpp
@@ -0,0 +1,102 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or 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.GPL2 and 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-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qtexturefilereader_p.h"
+
+#include "qpkmhandler_p.h"
+#include "qktxhandler_p.h"
+
+#include <QFileInfo>
+
+QT_BEGIN_NAMESPACE
+
+QTextureFileReader::QTextureFileReader(QIODevice *device, const QString &fileName)
+    : m_device(device), m_fileName(fileName)
+{
+}
+
+QTextureFileReader::~QTextureFileReader()
+{
+    delete m_handler;
+}
+
+QTextureFileData QTextureFileReader::read()
+{
+    if (!canRead())
+        return QTextureFileData();
+    return m_handler->read();
+}
+
+bool QTextureFileReader::canRead()
+{
+    if (!checked) {
+        checked = true;
+        if (!init())
+            return false;
+
+        QByteArray headerBlock = m_device->peek(64);
+        QFileInfo fi(m_fileName);
+        QByteArray suffix = fi.suffix().toLower().toLatin1();
+        QByteArray logName = fi.fileName().toUtf8();
+
+        // Currently the handlers are hardcoded; later maybe a list of plugins
+        if (QPkmHandler::canRead(suffix, headerBlock)) {
+            m_handler = new QPkmHandler(m_device, logName);
+        } else if (QKtxHandler::canRead(suffix, headerBlock)) {
+            m_handler = new QKtxHandler(m_device, logName);
+        }
+        // else if OtherHandler::canRead() ...etc.
+    }
+    return (m_handler != nullptr);
+}
+
+QList<QByteArray> QTextureFileReader::supportedFileFormats()
+{
+    // Hardcoded for now
+    return {QByteArrayLiteral("pkm"), QByteArrayLiteral("ktx")};
+}
+
+bool QTextureFileReader::init()
+{
+    if (!m_device)
+        return false;
+    return m_device->isReadable();
+}
+
+QT_END_NAMESPACE