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-rw-r--r--src/plugins/imageformats/imageformats.pro2
-rw-r--r--src/plugins/imageformats/tga/main.cpp89
-rw-r--r--src/plugins/imageformats/tga/qtgafile.cpp239
-rw-r--r--src/plugins/imageformats/tga/qtgafile.h146
-rw-r--r--src/plugins/imageformats/tga/qtgahandler.cpp123
-rw-r--r--src/plugins/imageformats/tga/qtgahandler.h74
-rw-r--r--src/plugins/imageformats/tga/tga.pro11
-rw-r--r--src/plugins/plugins.pro2
8 files changed, 685 insertions, 1 deletions
diff --git a/src/plugins/imageformats/imageformats.pro b/src/plugins/imageformats/imageformats.pro
new file mode 100644
index 00000000..a59b4010
--- /dev/null
+++ b/src/plugins/imageformats/imageformats.pro
@@ -0,0 +1,2 @@
+TEMPLATE = subdirs
+!maemo: SUBDIRS = tga
diff --git a/src/plugins/imageformats/tga/main.cpp b/src/plugins/imageformats/tga/main.cpp
new file mode 100644
index 00000000..766b7498
--- /dev/null
+++ b/src/plugins/imageformats/tga/main.cpp
@@ -0,0 +1,89 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtQuick3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 <qimageiohandler.h>
+#include <qdebug.h>
+
+#include "qtgahandler.h"
+
+QT_BEGIN_NAMESPACE
+
+class QTgaPlugin : public QImageIOPlugin
+{
+public:
+ Capabilities capabilities(QIODevice * device, const QByteArray & format) const;
+ QImageIOHandler * create(QIODevice * device, const QByteArray & format = QByteArray()) const;
+ QStringList keys() const;
+};
+
+QImageIOPlugin::Capabilities QTgaPlugin::capabilities(QIODevice *device, const QByteArray &format) const
+{
+ if (format == "tga" || format == "TGA")
+ return Capabilities(CanRead);
+ if (!format.isEmpty())
+ return 0;
+ if (!device->isOpen())
+ return 0;
+
+ Capabilities cap;
+ if (device->isReadable() && QTgaHandler::canRead(device))
+ cap |= CanRead;
+ return cap;
+}
+
+QImageIOHandler* QTgaPlugin::create(QIODevice *device, const QByteArray &format) const
+{
+ QImageIOHandler *tgaHandler = new QTgaHandler();
+ tgaHandler->setDevice(device);
+ tgaHandler->setFormat(format);
+ return tgaHandler;
+}
+
+QStringList QTgaPlugin::keys() const
+{
+ return QStringList() << QLatin1String("tga") << QLatin1String("TGA");
+}
+
+Q_EXPORT_STATIC_PLUGIN(QTgaPlugin)
+Q_EXPORT_PLUGIN2(qtga, QTgaPlugin)
+
+QT_END_NAMESPACE
+
diff --git a/src/plugins/imageformats/tga/qtgafile.cpp b/src/plugins/imageformats/tga/qtgafile.cpp
new file mode 100644
index 00000000..af7c8765
--- /dev/null
+++ b/src/plugins/imageformats/tga/qtgafile.cpp
@@ -0,0 +1,239 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtQuick3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 "qtgafile.h"
+
+#include <QtCore/qiodevice.h>
+#include <QtCore/qdebug.h>
+#include <QtCore/qdatetime.h>
+
+struct TgaReader
+{
+ virtual ~TgaReader() {}
+ virtual QRgb operator()(QIODevice *s) const = 0;
+};
+
+struct Tga16Reader : public TgaReader
+{
+ ~Tga16Reader() {}
+ QRgb operator()(QIODevice *s) const
+ {
+ char ch1, ch2;
+ if (s->getChar(&ch1) && s->getChar(&ch2)) {
+ quint16 d = (int(ch1) & 0xFF) | ((int(ch2) & 0xFF) << 8);
+ QRgb result = (d & 0x8000) ? 0xFF000000 : 0x00000000;
+ result |= (d & 0x7C00 << 6) | (d & 0x03E0 << 3) | (d & 0x001F);
+ return result;
+ } else {
+ return 0;
+ }
+ }
+};
+
+struct Tga24Reader : public TgaReader
+{
+ QRgb operator()(QIODevice *s) const
+ {
+ char r, g, b;
+ if (s->getChar(&b) && s->getChar(&g) && s->getChar(&r))
+ return qRgb(uchar(r), uchar(g), uchar(b));
+ else
+ return 0;
+ }
+};
+
+struct Tga32Reader : public TgaReader
+{
+ QRgb operator()(QIODevice *s) const
+ {
+ char r, g, b, a;
+ if (s->getChar(&b) && s->getChar(&g) && s->getChar(&r) && s->getChar(&a))
+ return qRgba(uchar(r), uchar(g), uchar(b), uchar(a));
+ else
+ return 0;
+ }
+};
+
+/*!
+ \class QTgaFile
+ \since 4.8
+ \internal
+
+ File data container for a TrueVision Graphics format file.
+
+ Format is as described here:
+ http://local.wasp.uwa.edu.au/~pbourke/dataformats/tga/
+ http://netghost.narod.ru/gff2/graphics/summary/tga.htm
+
+ Usage is:
+ \code
+ QTgaFile tga(myFile);
+ QImage tgaImage;
+ if (tga.isValid())
+ tgaImage = tga.readImage();
+ \endcode
+
+ The class is designed to handle sequential and non-sequential
+ sources, so during construction the mHeader is read. Then during
+ the readImage() call the rest of the data is read.
+
+ After passing myFile to the constructor, if the QIODevice *myFile
+ is read, or has seek() called, the results are undefined - so don't
+ do that.
+*/
+
+/*!
+ Construct a new QTgaFile object getting data from \a device.
+
+ The object does not take ownership of the \a device, but until the
+ object is destroyed do not do any non-const operations, eg seek or
+ read on the device.
+*/
+QTgaFile::QTgaFile(QIODevice *device)
+ : mDevice(device)
+{
+ ::memset(mHeader, 0, HeaderSize);
+ if (!mDevice->isReadable())
+ {
+ mErrorMessage = QObject::tr("Could not read image data");
+ return;
+ }
+ if (mDevice->isSequential())
+ {
+ mErrorMessage = QObject::tr("Sequential device (eg socket) for image read not supported");
+ return;
+ }
+ if (!mDevice->seek(0))
+ {
+ mErrorMessage = QObject::tr("Seek file/device for image read failed");
+ return;
+ }
+ int bytes = device->read((char*)mHeader, HeaderSize);
+ if (bytes != HeaderSize)
+ {
+ mErrorMessage = QObject::tr("Image mHeader read failed");
+ return;
+ }
+ if (mHeader[ImageType] != 2)
+ {
+ // TODO: should support other image types
+ mErrorMessage = QObject::tr("Image type not supported");
+ return;
+ }
+}
+
+/*!
+ \internal
+ Destroy the device, recovering any resources.
+*/
+QTgaFile::~QTgaFile()
+{
+}
+
+/*!
+ \internal
+ Reads an image file from the QTgaFile's device, and returns it.
+
+ This method seeks to the absolute position of the image data in the file,
+ so no assumptions are made about where the devices read pointer is when this
+ method is called. For this reason only random access devices are supported.
+
+ If the constructor completed successfully, such that isValid() returns true,
+ then this method is likely to succeed, unless the file is somehow corrupted.
+
+ In the case that the read fails, the QImage returned will be null, such that
+ QImage::isNull() will be true.
+*/
+QImage QTgaFile::readImage()
+{
+ if (!isValid())
+ return QImage();
+
+ int offset = mHeader[IdLength]; // Mostly always zero
+
+ // Even in TrueColor files a color pallette may be present
+ if (mHeader[ColorMapType] == 1)
+ offset += littleEndianInt(&mHeader[CMapLength]) * littleEndianInt(&mHeader[CMapDepth]);
+
+ mDevice->seek(HeaderSize + offset);
+
+ char dummy;
+ for (int i = 0; i < offset; ++i)
+ mDevice->getChar(&dummy);
+
+ int bitsPerPixel = mHeader[PixelDepth];
+ int imageWidth = width();
+ int imageHeight = height();
+
+ unsigned char desc = mHeader[ImageDescriptor];
+ //unsigned char xCorner = desc & 0x10; // 0 = left, 1 = right
+ unsigned char yCorner = desc & 0x20; // 0 = lower, 1 = upper
+
+ QImage im(imageWidth, imageHeight, QImage::Format_ARGB32);
+ TgaReader *reader = 0;
+ if (bitsPerPixel == 16)
+ reader = new Tga16Reader();
+ else if (bitsPerPixel == 24)
+ reader = new Tga24Reader();
+ else if (bitsPerPixel == 32)
+ reader = new Tga32Reader();
+ TgaReader &read = *reader;
+
+ // For now only deal with yCorner, since no one uses xCorner == 1
+ // Also this is upside down, since Qt has the origin flipped
+ if (yCorner)
+ {
+ for (int y = 0; y < imageHeight; ++y)
+ for (int x = 0; x < imageWidth; ++x)
+ im.setPixel(x, y, read(mDevice));
+ }
+ else
+ {
+ for (int y = imageHeight - 1; y >= 0; --y)
+ for (int x = 0; x < imageWidth; ++x)
+ im.setPixel(x, y, read(mDevice));
+ }
+
+ delete reader;
+
+ // TODO: add processing of TGA extension information - ie TGA 2.0 files
+ return im;
+}
diff --git a/src/plugins/imageformats/tga/qtgafile.h b/src/plugins/imageformats/tga/qtgafile.h
new file mode 100644
index 00000000..034200ee
--- /dev/null
+++ b/src/plugins/imageformats/tga/qtgafile.h
@@ -0,0 +1,146 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtQuick3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTGAFILE_H
+#define QTGAFILE_H
+
+#include <QtGui/qcolor.h>
+#include <QtGui/qimage.h>
+
+class QIODevice;
+
+class QTgaFile
+{
+public:
+ enum Compression {
+ NoCompression = 0,
+ RleCompression = 1
+ };
+
+ enum HeaderOffset {
+ IdLength = 0, /* 00h Size of Image ID field */
+ ColorMapType = 1, /* 01h Color map type */
+ ImageType = 2, /* 02h Image type code */
+ CMapStart = 3, /* 03h Color map origin */
+ CMapLength = 5, /* 05h Color map length */
+ CMapDepth = 7, /* 07h Depth of color map entries */
+ XOffset = 8, /* 08h X origin of image */
+ YOffset = 10, /* 0Ah Y origin of image */
+ Width = 12, /* 0Ch Width of image */
+ Height = 14, /* 0Eh Height of image */
+ PixelDepth = 16, /* 10h Image pixel size */
+ ImageDescriptor = 17, /* 11h Image descriptor byte */
+ HeaderSize = 18
+ };
+
+ QTgaFile(QIODevice *);
+ ~QTgaFile();
+
+ inline bool isValid() const;
+ inline QString errorMessage() const;
+ QImage readImage();
+ inline int xOffset() const;
+ inline int yOffset() const;
+ inline int width() const;
+ inline int height() const;
+ inline QSize size() const;
+ inline Compression compression() const;
+
+private:
+ static inline quint16 littleEndianInt(const unsigned char *d);
+
+ QString mErrorMessage;
+ unsigned char mHeader[HeaderSize];
+ QIODevice *mDevice;
+};
+
+inline bool QTgaFile::isValid() const
+{
+ return mErrorMessage.isEmpty();
+}
+
+inline QString QTgaFile::errorMessage() const
+{
+ return mErrorMessage;
+}
+
+/*!
+ \internal
+ Returns the integer encoded in the two little endian bytes at \a d.
+*/
+inline quint16 QTgaFile::littleEndianInt(const unsigned char *d)
+{
+ return d[0] + d[1] * 256;
+}
+
+inline int QTgaFile::xOffset() const
+{
+ return littleEndianInt(&mHeader[XOffset]);
+}
+
+inline int QTgaFile::yOffset() const
+{
+ return littleEndianInt(&mHeader[YOffset]);
+}
+
+inline int QTgaFile::width() const
+{
+ return littleEndianInt(&mHeader[Width]);
+}
+
+inline int QTgaFile::height() const
+{
+ return littleEndianInt(&mHeader[Height]);
+}
+
+inline QSize QTgaFile::size() const
+{
+ return QSize(width(), height());
+}
+
+inline QTgaFile::Compression QTgaFile::compression() const
+{
+ // TODO: for now, only handle type 2 files, with no color table
+ // and no compression
+ return NoCompression;
+}
+
+#endif // QTGAFILE_H
diff --git a/src/plugins/imageformats/tga/qtgahandler.cpp b/src/plugins/imageformats/tga/qtgahandler.cpp
new file mode 100644
index 00000000..2464daae
--- /dev/null
+++ b/src/plugins/imageformats/tga/qtgahandler.cpp
@@ -0,0 +1,123 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtQuick3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 <qvariant.h>
+#include <qdebug.h>
+#include <qimage.h>
+#include <qglobal.h>
+
+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;
+ }
+ QTgaFile tga(device);
+ return tga.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
diff --git a/src/plugins/imageformats/tga/qtgahandler.h b/src/plugins/imageformats/tga/qtgahandler.h
new file mode 100644
index 00000000..88e2b947
--- /dev/null
+++ b/src/plugins/imageformats/tga/qtgahandler.h
@@ -0,0 +1,74 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtQuick3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTGAHANDLER_H
+#define QTGAHANDLER_H
+
+#include <QtGui/qimageiohandler.h>
+
+QT_BEGIN_NAMESPACE
+
+class QTgaFile;
+
+class QTgaHandler : public QImageIOHandler
+{
+public:
+ QTgaHandler();
+ ~QTgaHandler();
+
+ bool canRead() const;
+ bool read(QImage *image);
+
+ QByteArray name() const;
+
+ static bool canRead(QIODevice *device);
+
+ QVariant option(ImageOption option) const;
+ void setOption(ImageOption option, const QVariant &value);
+ bool supportsOption(ImageOption option) const;
+
+private:
+ mutable QTgaFile *tga;
+};
+
+QT_END_NAMESPACE
+
+#endif // QTGAHANDLER_H
diff --git a/src/plugins/imageformats/tga/tga.pro b/src/plugins/imageformats/tga/tga.pro
new file mode 100644
index 00000000..d3dfc0bf
--- /dev/null
+++ b/src/plugins/imageformats/tga/tga.pro
@@ -0,0 +1,11 @@
+TARGET = qtga
+include(../../qpluginbase.pri)
+HEADERS += qtgahandler.h \
+ qtgafile.h
+SOURCES += main.cpp \
+ qtgahandler.cpp \
+ qtgafile.cpp
+
+DESTDIR = $$QT.qt3d.plugins/imageformats
+target.path = $$[QT_INSTALL_PLUGINS]/imageformats
+INSTALLS += target
diff --git a/src/plugins/plugins.pro b/src/plugins/plugins.pro
index 19979051..519780eb 100644
--- a/src/plugins/plugins.pro
+++ b/src/plugins/plugins.pro
@@ -1,2 +1,2 @@
TEMPLATE = subdirs
-SUBDIRS = sceneformats
+SUBDIRS = sceneformats imageformats