summaryrefslogtreecommitdiff
path: root/src/plugins/imageformats
diff options
context:
space:
mode:
Diffstat (limited to 'src/plugins/imageformats')
-rw-r--r--src/plugins/imageformats/imageformats.pro2
-rw-r--r--src/plugins/imageformats/svg/main.cpp94
-rw-r--r--src/plugins/imageformats/svg/qsvgiohandler.cpp267
-rw-r--r--src/plugins/imageformats/svg/qsvgiohandler.h77
-rw-r--r--src/plugins/imageformats/svg/svg.pro13
5 files changed, 453 insertions, 0 deletions
diff --git a/src/plugins/imageformats/imageformats.pro b/src/plugins/imageformats/imageformats.pro
new file mode 100644
index 0000000..edffb73
--- /dev/null
+++ b/src/plugins/imageformats/imageformats.pro
@@ -0,0 +1,2 @@
+TEMPLATE = subdirs
+SUBDIRS += svg
diff --git a/src/plugins/imageformats/svg/main.cpp b/src/plugins/imageformats/svg/main.cpp
new file mode 100644
index 0000000..e143d3e
--- /dev/null
+++ b/src/plugins/imageformats/svg/main.cpp
@@ -0,0 +1,94 @@
+/****************************************************************************
+**
+** 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 plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qimageiohandler.h>
+#include <qstringlist.h>
+
+#if !defined(QT_NO_IMAGEFORMATPLUGIN) && !defined(QT_NO_SVGRENDERER)
+
+#include "qsvgiohandler.h"
+
+#include <qiodevice.h>
+#include <qbytearray.h>
+#include <qdebug.h>
+
+QT_BEGIN_NAMESPACE
+
+class QSvgPlugin : public QImageIOPlugin
+{
+public:
+ QStringList keys() const;
+ Capabilities capabilities(QIODevice *device, const QByteArray &format) const;
+ QImageIOHandler *create(QIODevice *device, const QByteArray &format = QByteArray()) const;
+};
+
+QStringList QSvgPlugin::keys() const
+{
+ return QStringList() << QLatin1String("svg") << QLatin1String("svgz");
+}
+
+QImageIOPlugin::Capabilities QSvgPlugin::capabilities(QIODevice *device, const QByteArray &format) const
+{
+ if (format == "svg" || format == "svgz")
+ return Capabilities(CanRead);
+ if (!format.isEmpty())
+ return 0;
+
+ Capabilities cap;
+ if (device->isReadable() && QSvgIOHandler::canRead(device))
+ cap |= CanRead;
+ return cap;
+}
+
+QImageIOHandler *QSvgPlugin::create(QIODevice *device, const QByteArray &format) const
+{
+ QSvgIOHandler *hand = new QSvgIOHandler();
+ hand->setDevice(device);
+ hand->setFormat(format);
+ return hand;
+}
+
+Q_EXPORT_STATIC_PLUGIN(QSvgPlugin)
+Q_EXPORT_PLUGIN2(qsvg, QSvgPlugin)
+
+QT_END_NAMESPACE
+
+#endif // !QT_NO_IMAGEFORMATPLUGIN
diff --git a/src/plugins/imageformats/svg/qsvgiohandler.cpp b/src/plugins/imageformats/svg/qsvgiohandler.cpp
new file mode 100644
index 0000000..3c8f2e9
--- /dev/null
+++ b/src/plugins/imageformats/svg/qsvgiohandler.cpp
@@ -0,0 +1,267 @@
+/****************************************************************************
+**
+** 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 plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsvgiohandler.h"
+
+#ifndef QT_NO_SVGRENDERER
+
+#include "qsvgrenderer.h"
+#include "qimage.h"
+#include "qpixmap.h"
+#include "qpainter.h"
+#include "qvariant.h"
+#include "qbuffer.h"
+#include "qdebug.h"
+
+QT_BEGIN_NAMESPACE
+
+class QSvgIOHandlerPrivate
+{
+public:
+ QSvgIOHandlerPrivate(QSvgIOHandler *qq)
+ : q(qq), loaded(false), readDone(false), backColor(Qt::transparent)
+ {}
+
+ bool load(QIODevice *device);
+
+ QSvgIOHandler *q;
+ QSvgRenderer r;
+ QXmlStreamReader xmlReader;
+ QSize defaultSize;
+ QRect clipRect;
+ QSize scaledSize;
+ QRect scaledClipRect;
+ bool loaded;
+ bool readDone;
+ QColor backColor;
+};
+
+
+bool QSvgIOHandlerPrivate::load(QIODevice *device)
+{
+ if (loaded)
+ return true;
+ if (q->format().isEmpty())
+ q->canRead();
+
+ // # The SVG renderer doesn't handle trailing, unrelated data, so we must
+ // assume that all available data in the device is to be read.
+ bool res = false;
+ QBuffer *buf = qobject_cast<QBuffer *>(device);
+ if (buf) {
+ const QByteArray &ba = buf->data();
+ res = r.load(QByteArray::fromRawData(ba.constData() + buf->pos(), ba.size() - buf->pos()));
+ buf->seek(ba.size());
+ } else if (q->format() == "svgz") {
+ res = r.load(device->readAll());
+ } else {
+ xmlReader.setDevice(device);
+ res = r.load(&xmlReader);
+ }
+
+ if (res) {
+ defaultSize = QSize(r.viewBox().width(), r.viewBox().height());
+ loaded = true;
+ }
+
+ return loaded;
+}
+
+
+QSvgIOHandler::QSvgIOHandler()
+ : d(new QSvgIOHandlerPrivate(this))
+{
+
+}
+
+
+QSvgIOHandler::~QSvgIOHandler()
+{
+ delete d;
+}
+
+
+bool QSvgIOHandler::canRead() const
+{
+ if (!device())
+ return false;
+ if (d->loaded && !d->readDone)
+ return true; // Will happen if we have been asked for the size
+
+ QByteArray buf = device()->peek(8);
+ if (buf.startsWith("\x1f\x8b")) {
+ setFormat("svgz");
+ return true;
+ } else if (buf.contains("<?xml") || buf.contains("<svg")) {
+ setFormat("svg");
+ return true;
+ }
+ return false;
+}
+
+
+QByteArray QSvgIOHandler::name() const
+{
+ return "svg";
+}
+
+
+bool QSvgIOHandler::read(QImage *image)
+{
+ if (!d->readDone && d->load(device())) {
+ bool xform = (d->clipRect.isValid() || d->scaledSize.isValid() || d->scaledClipRect.isValid());
+ QSize finalSize = d->defaultSize;
+ QRectF bounds;
+ if (xform && !d->defaultSize.isEmpty()) {
+ bounds = QRectF(QPointF(0,0), QSizeF(d->defaultSize));
+ QPoint tr1, tr2;
+ QSizeF sc(1, 1);
+ if (d->clipRect.isValid()) {
+ tr1 = -d->clipRect.topLeft();
+ finalSize = d->clipRect.size();
+ }
+ if (d->scaledSize.isValid()) {
+ sc = QSizeF(qreal(d->scaledSize.width()) / finalSize.width(),
+ qreal(d->scaledSize.height()) / finalSize.height());
+ finalSize = d->scaledSize;
+ }
+ if (d->scaledClipRect.isValid()) {
+ tr2 = -d->scaledClipRect.topLeft();
+ finalSize = d->scaledClipRect.size();
+ }
+ QTransform t;
+ t.translate(tr2.x(), tr2.y());
+ t.scale(sc.width(), sc.height());
+ t.translate(tr1.x(), tr1.y());
+ bounds = t.mapRect(bounds);
+ }
+ *image = QImage(finalSize, QImage::Format_ARGB32_Premultiplied);
+ if (!finalSize.isEmpty()) {
+ image->fill(d->backColor.rgba());
+ QPainter p(image);
+ d->r.render(&p, bounds);
+ p.end();
+ }
+ d->readDone = true;
+ return true;
+ }
+
+ return false;
+}
+
+
+QVariant QSvgIOHandler::option(ImageOption option) const
+{
+ switch(option) {
+ case ImageFormat:
+ return QImage::Format_ARGB32_Premultiplied;
+ break;
+ case Size:
+ d->load(device());
+ return d->defaultSize;
+ break;
+ case ClipRect:
+ return d->clipRect;
+ break;
+ case ScaledSize:
+ return d->scaledSize;
+ break;
+ case ScaledClipRect:
+ return d->scaledClipRect;
+ break;
+ case BackgroundColor:
+ return d->backColor;
+ break;
+ default:
+ break;
+ }
+ return QVariant();
+}
+
+
+void QSvgIOHandler::setOption(ImageOption option, const QVariant & value)
+{
+ switch(option) {
+ case ClipRect:
+ d->clipRect = value.toRect();
+ break;
+ case ScaledSize:
+ d->scaledSize = value.toSize();
+ break;
+ case ScaledClipRect:
+ d->scaledClipRect = value.toRect();
+ break;
+ case BackgroundColor:
+ d->backColor = value.value<QColor>();
+ break;
+ default:
+ break;
+ }
+}
+
+
+bool QSvgIOHandler::supportsOption(ImageOption option) const
+{
+ switch(option)
+ {
+ case ImageFormat:
+ case Size:
+ case ClipRect:
+ case ScaledSize:
+ case ScaledClipRect:
+ case BackgroundColor:
+ return true;
+ default:
+ break;
+ }
+ return false;
+}
+
+
+bool QSvgIOHandler::canRead(QIODevice *device)
+{
+ QByteArray buf = device->peek(8);
+ return buf.startsWith("\x1f\x8b") || buf.contains("<?xml") || buf.contains("<svg");
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SVGRENDERER
diff --git a/src/plugins/imageformats/svg/qsvgiohandler.h b/src/plugins/imageformats/svg/qsvgiohandler.h
new file mode 100644
index 0000000..7ef0009
--- /dev/null
+++ b/src/plugins/imageformats/svg/qsvgiohandler.h
@@ -0,0 +1,77 @@
+/****************************************************************************
+**
+** 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 plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSVGIOHANDLER_H
+#define QSVGIOHANDLER_H
+
+#include <QtGui/qimageiohandler.h>
+
+#ifndef QT_NO_SVGRENDERER
+
+QT_BEGIN_NAMESPACE
+
+class QImage;
+class QByteArray;
+class QIODevice;
+class QVariant;
+class QSvgIOHandlerPrivate;
+
+class QSvgIOHandler : public QImageIOHandler
+{
+public:
+ QSvgIOHandler();
+ ~QSvgIOHandler();
+ virtual bool canRead() const;
+ virtual QByteArray name() const;
+ virtual bool read(QImage *image);
+ static bool canRead(QIODevice *device);
+ virtual QVariant option(ImageOption option) const;
+ virtual void setOption(ImageOption option, const QVariant & value);
+ virtual bool supportsOption(ImageOption option) const;
+
+private:
+ QSvgIOHandlerPrivate *d;
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SVGRENDERER
+#endif // QSVGIOHANDLER_H
diff --git a/src/plugins/imageformats/svg/svg.pro b/src/plugins/imageformats/svg/svg.pro
new file mode 100644
index 0000000..bcf4c21
--- /dev/null
+++ b/src/plugins/imageformats/svg/svg.pro
@@ -0,0 +1,13 @@
+TARGET = qsvg
+include(../../qpluginbase.pri)
+
+HEADERS += qsvgiohandler.h
+SOURCES += main.cpp \
+ qsvgiohandler.cpp
+QT += xml svg
+
+QTDIR_build:DESTDIR = $$QT_BUILD_TREE/plugins/imageformats
+target.path += $$[QT_INSTALL_PLUGINS]/imageformats
+INSTALLS += target
+
+symbian:TARGET.UID3=0x2001E618