1 files changed, 131 insertions, 0 deletions
diff --git a/src/plugins/imageformats/tga/qtgahandler.cpp b/src/plugins/imageformats/tga/qtgahandler.cpp
new file mode 100644
index 0000000..2fa0530
--- /dev/null
+++ b/src/plugins/imageformats/tga/qtgahandler.cpp
@@ -0,0 +1,131 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the TGA plugin in the Qt ImageFormats module.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qtgahandler.h"
+#include "qtgafile.h"
+
+#include <QtCore/QVariant>
+#include <QtCore/QDebug>
+#include <QtGui/QImage>
+
+QT_BEGIN_NAMESPACE
+
+QTgaHandler::QTgaHandler()
+    : QImageIOHandler()
+    , tga(0)
+{
+}
+
+QTgaHandler::~QTgaHandler()
+{
+    delete tga;
+}
+
+bool QTgaHandler::canRead() const
+{
+    if (!tga)
+        tga = new QTgaFile(device());
+    if (tga->isValid())
+    {
+        setFormat("tga");
+        return true;
+    }
+    return false;
+}
+
+bool QTgaHandler::canRead(QIODevice *device)
+{
+    if (!device) {
+        qWarning("QTgaHandler::canRead() called with no device");
+        return false;
+    }
+
+    // TGA reader implementation needs a seekable QIODevice, so
+    // sequential devices are not supported
+    qint64 pos = device->pos();
+    bool isValid;
+    {
+        QTgaFile tga(device);
+        isValid = tga.isValid();
+    }
+    device->seek(pos);
+    return isValid;
+}
+
+bool QTgaHandler::read(QImage *image)
+{
+    if (!canRead())
+        return false;
+    *image = tga->readImage();
+    return !image->isNull();
+}
+
+QByteArray QTgaHandler::name() const
+{
+    return "tga";
+}
+
+QVariant QTgaHandler::option(ImageOption option) const
+{
+    if (option == Size && canRead()) {
+        return tga->size();
+    } else if (option == CompressionRatio) {
+        return tga->compression();
+    } else if (option == ImageFormat) {
+        return QImage::Format_ARGB32;
+    }
+    return QVariant();
+}
+
+void QTgaHandler::setOption(ImageOption option, const QVariant &value)
+{
+    Q_UNUSED(option);
+    Q_UNUSED(value);
+}
+
+bool QTgaHandler::supportsOption(ImageOption option) const
+{
+    return option == CompressionRatio
+            || option == Size
+            || option == ImageFormat;
+}
+
+QT_END_NAMESPACE