Control of image rendered size (esp. SVG).

Add Translate transform.
Image::sourceWidth and Image::sourceHeight read/write properties.

Task-number: QTBUG-8984

1 files changed, 159 insertions, 0 deletions

diff --git a/src/declarative/graphicsitems/qdeclarativetranslate.cpp b/src/declarative/graphicsitems/qdeclarativetranslate.cpp
new file mode 100644
index 0000000..57c47f0
--- /dev/null
+++ b/src/declarative/graphicsitems/qdeclarativetranslate.cpp
@@ -0,0 +1,159 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module 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 "qdeclarativetranslate_p.h"
+#include <private/qgraphicstransform_p.h>
+#include <QDebug>
+#include <QtCore/qmath.h>
+
+class QDeclarativeTranslatePrivate : public QGraphicsTransformPrivate
+{
+public:
+    QDeclarativeTranslatePrivate()
+        : x(0), y(0), z(0) {}
+    qreal x;
+    qreal y;
+    qreal z;
+};
+
+/*!
+    Constructs an empty QDeclarativeTranslate object with the given \a parent.
+*/
+QDeclarativeTranslate::QDeclarativeTranslate(QObject *parent)
+    : QGraphicsTransform(*new QDeclarativeTranslatePrivate, parent)
+{
+}
+
+/*!
+    Destroys the graphics scale.
+*/
+QDeclarativeTranslate::~QDeclarativeTranslate()
+{
+}
+
+/*!
+    \property QDeclarativeTranslate::x
+    \brief the horizontal translation.
+
+    The translation can be any real number; the default value is 0.0.
+
+    \sa y, z
+*/
+qreal QDeclarativeTranslate::x() const
+{
+    Q_D(const QDeclarativeTranslate);
+    return d->x;
+}
+void QDeclarativeTranslate::setX(qreal x)
+{
+    Q_D(QDeclarativeTranslate);
+    if (d->x == x)
+        return;
+    d->x = x;
+    update();
+    emit positionChanged();
+}
+
+/*!
+    \property QDeclarativeTranslate::y
+    \brief the vertical translation.
+
+    The translation can be any real number; the default value is 0.0.
+
+    \sa x, z
+*/
+qreal QDeclarativeTranslate::y() const
+{
+    Q_D(const QDeclarativeTranslate);
+    return d->y;
+}
+void QDeclarativeTranslate::setY(qreal y)
+{
+    Q_D(QDeclarativeTranslate);
+    if (d->y == y)
+        return;
+    d->y = y;
+    update();
+    emit positionChanged();
+}
+
+/*!
+    \property QDeclarativeTranslate::z
+    \brief the depth translation.
+
+    The translation can be any real number; the default value is 0.0.
+
+    \sa x, y
+*/
+qreal QDeclarativeTranslate::z() const
+{
+    Q_D(const QDeclarativeTranslate);
+    return d->z;
+}
+void QDeclarativeTranslate::setZ(qreal z)
+{
+    Q_D(QDeclarativeTranslate);
+    if (d->z == z)
+        return;
+    d->z = z;
+    update();
+    emit positionChanged();
+}
+
+/*!
+    \reimp
+*/
+void QDeclarativeTranslate::applyTo(QMatrix4x4 *matrix) const
+{
+    Q_D(const QDeclarativeTranslate);
+    matrix->translate(d->x, d->y, d->z);
+}
+
+/*!
+    \fn QDeclarativeTranslate::positionChanged()
+
+    QDeclarativeTranslate emits this signal when its position changes.
+
+    \sa QDeclarativeTranslate::x, QDeclarativeTranslate::y
+    \sa QDeclarativeTranslate::z
+*/
+
+//#include "moc_qdeclarativetranslate.cpp"