Restructure the examples. They are now organized into various

subdirectories to make it easier to locate examples for certain
features (e.g. animation) and to distinguish between different types
of examples (e.g. very basic examples vs complex demo-like examples).

1 files changed, 118 insertions, 0 deletions

diff --git a/examples/declarative/cppextensions/imageprovider/imageprovider.cpp b/examples/declarative/cppextensions/imageprovider/imageprovider.cpp
new file mode 100644
index 0000000..4c4aa94
--- /dev/null
+++ b/examples/declarative/cppextensions/imageprovider/imageprovider.cpp
@@ -0,0 +1,118 @@
+/****************************************************************************
+**
+** 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 demonstration applications 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 <qdeclarativeextensionplugin.h>
+
+#include <qdeclarativeengine.h>
+#include <qdeclarativecontext.h>
+#include <qdeclarative.h>
+#include <qdeclarativeitem.h>
+#include <qdeclarativeimageprovider.h>
+#include <qdeclarativeview.h>
+#include <QImage>
+#include <QPainter>
+
+/*
+   This example illustrates using a QDeclarativeImageProvider to serve
+   images asynchronously.
+*/
+
+//![0]
+class ColorImageProvider : public QDeclarativeImageProvider
+{
+public:
+    // This is run in a low priority thread.
+    QImage request(const QString &id, QSize *size, const QSize &req_size)
+    {
+        if (size) *size = QSize(100,50);
+        QImage image(
+                req_size.width() > 0 ? req_size.width() : 100,
+                req_size.height() > 0 ? req_size.height() : 50,
+                QImage::Format_RGB32);
+        image.fill(QColor(id).rgba());
+        QPainter p(&image);
+        QFont f = p.font();
+        f.setPixelSize(30);
+        p.setFont(f);
+        p.setPen(Qt::black);
+        if (req_size.isValid())
+            p.scale(req_size.width()/100.0, req_size.height()/50.0);
+        p.drawText(QRectF(0,0,100,50),Qt::AlignCenter,id);
+        return image;
+    }
+};
+
+
+class ImageProviderExtensionPlugin : public QDeclarativeExtensionPlugin
+{
+    Q_OBJECT
+public:
+    void registerTypes(const char *uri) {
+        Q_UNUSED(uri);
+
+    }
+
+    void initializeEngine(QDeclarativeEngine *engine, const char *uri) {
+        Q_UNUSED(uri);
+
+        engine->addImageProvider("colors", new ColorImageProvider);
+
+        QStringList dataList;
+        dataList.append("image://colors/red");
+        dataList.append("image://colors/green");
+        dataList.append("image://colors/blue");
+        dataList.append("image://colors/brown");
+        dataList.append("image://colors/orange");
+        dataList.append("image://colors/purple");
+        dataList.append("image://colors/yellow");
+
+        QDeclarativeContext *ctxt = engine->rootContext();
+        ctxt->setContextProperty("myModel", QVariant::fromValue(dataList));
+    }
+
+};
+
+#include "imageprovider.moc"
+
+Q_EXPORT_PLUGIN(ImageProviderExtensionPlugin);
+//![0]
+