Improve QQuickAsyncImageProvider example

Also link it from more places

Change-Id: Ib5fbf89f4a039f885e918d57ee477e9788049d8d
Reviewed-by: Robin Burchell <robin.burchell@crimson.no>

2 files changed, 12 insertions, 8 deletions

diff --git a/examples/quick/imageresponseprovider/imageresponseprovider.cpp b/examples/quick/imageresponseprovider/imageresponseprovider.cpp
index a888c823a6..d4633b779a 100644
--- a/examples/quick/imageresponseprovider/imageresponseprovider.cpp
+++ b/examples/quick/imageresponseprovider/imageresponseprovider.cpp
@@ -51,37 +51,37 @@ class AsyncImageResponse : public QQuickImageResponse, public QRunnable
 {
     public:
         AsyncImageResponse(const QString &id, const QSize &requestedSize)
-         : m_id(id), m_requestedSize(requestedSize), m_texture(0)
+         : m_id(id), m_requestedSize(requestedSize)
         {
             setAutoDelete(false);
         }
 
         QQuickTextureFactory *textureFactory() const
         {
-            return m_texture;
+            return QQuickTextureFactory::textureFactoryForImage(m_image);
         }
 
         void run()
         {
-            QImage image(50, 50, QImage::Format_RGB32);
+            m_image = QImage(50, 50, QImage::Format_RGB32);
             if (m_id == "slow") {
                 qDebug() << "Slow, red, sleeping for 5 seconds";
                 QThread::sleep(5);
-                image.fill(Qt::red);
+                m_image.fill(Qt::red);
             } else {
                 qDebug() << "Fast, blue, sleeping for 1 second";
                 QThread::sleep(1);
-                image.fill(Qt::blue);
+                m_image.fill(Qt::blue);
             }
             if (m_requestedSize.isValid())
-                image = image.scaled(m_requestedSize);
-            m_texture = QQuickTextureFactory::textureFactoryForImage(image);
+                m_image = m_image.scaled(m_requestedSize);
+
             emit finished();
         }
 
         QString m_id;
         QSize m_requestedSize;
-        QQuickTextureFactory *m_texture;
+        QImage m_image;
 };
 
 class AsyncImageProvider : public QQuickAsyncImageProvider
diff --git a/src/quick/util/qquickimageprovider.cpp b/src/quick/util/qquickimageprovider.cpp
index 0c245d2b23..d2a8a5097c 100644
--- a/src/quick/util/qquickimageprovider.cpp
+++ b/src/quick/util/qquickimageprovider.cpp
@@ -158,6 +158,8 @@ QQuickTextureFactory *QQuickTextureFactory::textureFactoryForImage(const QImage
     If you are using QRunnable as base for your QQuickImageResponse
     ensure automatic deletion is disabled.
 
+    See the \l {imageresponseprovider}{Image Response Provider Example} for a complete implementation.
+
     \sa QQuickImageProvider
 */
 
@@ -472,6 +474,8 @@ QQuickTextureFactory *QQuickImageProvider::requestTexture(const QString &id, QSi
     \inmodule QtQuick
     \brief The QQuickAsyncImageProvider class provides an interface for for asynchronous control of QML image requests.
 
+    See the \l {imageresponseprovider}{Image Response Provider Example} for a complete implementation.
+
     \sa QQuickImageProvider
 */
 QQuickAsyncImageProvider::QQuickAsyncImageProvider()