Import relevant source from Qt 4.8

Change-Id: I5078db4081d95290c54f39d3c0efc2fc2f62e6a6

5 files changed, 206 insertions, 0 deletions

diff --git a/examples/declarative/cppextensions/imageprovider/ImageProviderCore/qmldir b/examples/declarative/cppextensions/imageprovider/ImageProviderCore/qmldir
new file mode 100644
index 00000000..6be88bcc
--- /dev/null
+++ b/examples/declarative/cppextensions/imageprovider/ImageProviderCore/qmldir
@@ -0,0 +1,2 @@
+plugin qmlimageproviderplugin
+
diff --git a/examples/declarative/cppextensions/imageprovider/imageprovider-example.qml b/examples/declarative/cppextensions/imageprovider/imageprovider-example.qml
new file mode 100644
index 00000000..e8105d4e
--- /dev/null
+++ b/examples/declarative/cppextensions/imageprovider/imageprovider-example.qml
@@ -0,0 +1,49 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+import QtQuick 1.0
+import "ImageProviderCore" // import the plugin that registers the color image provider
+
+//![0]
+Column {
+    Image { source: "image://colors/yellow" }
+    Image { source: "image://colors/red" }
+}
+//![0]
+
diff --git a/examples/declarative/cppextensions/imageprovider/imageprovider.cpp b/examples/declarative/cppextensions/imageprovider/imageprovider.cpp
new file mode 100644
index 00000000..6dc5ea39
--- /dev/null
+++ b/examples/declarative/cppextensions/imageprovider/imageprovider.cpp
@@ -0,0 +1,110 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 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.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <qdeclarativeextensionplugin.h>
+
+#include <qdeclarativeengine.h>
+#include <qdeclarative.h>
+#include <qdeclarativeitem.h>
+#include <qdeclarativeimageprovider.h>
+#include <qdeclarativeview.h>
+#include <QImage>
+#include <QPainter>
+
+//![0]
+class ColorImageProvider : public QDeclarativeImageProvider
+{
+public:
+    ColorImageProvider()
+        : QDeclarativeImageProvider(QDeclarativeImageProvider::Pixmap)
+    {
+    }
+
+    QPixmap requestPixmap(const QString &id, QSize *size, const QSize &requestedSize)
+    {
+        int width = 100;
+        int height = 50;
+
+        if (size)
+            *size = QSize(width, height);
+        QPixmap pixmap(requestedSize.width() > 0 ? requestedSize.width() : width,
+                       requestedSize.height() > 0 ? requestedSize.height() : height); 
+        pixmap.fill(QColor(id).rgba());
+//![0]
+
+        // write the color name
+        QPainter painter(&pixmap);
+        QFont f = painter.font();
+        f.setPixelSize(20);
+        painter.setFont(f);
+        painter.setPen(Qt::black);
+        if (requestedSize.isValid())
+            painter.scale(requestedSize.width() / width, requestedSize.height() / height);
+        painter.drawText(QRectF(0, 0, width, height), Qt::AlignCenter, id);
+
+//![1]
+        return pixmap;
+    }
+};
+//![1]
+
+
+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);
+    }
+
+};
+
+#include "imageprovider.moc"
+
+Q_EXPORT_PLUGIN(ImageProviderExtensionPlugin);
+
diff --git a/examples/declarative/cppextensions/imageprovider/imageprovider.pro b/examples/declarative/cppextensions/imageprovider/imageprovider.pro
new file mode 100644
index 00000000..ad918c33
--- /dev/null
+++ b/examples/declarative/cppextensions/imageprovider/imageprovider.pro
@@ -0,0 +1,29 @@
+TEMPLATE = lib
+CONFIG += qt plugin
+QT += declarative
+
+DESTDIR = ImageProviderCore
+TARGET  = qmlimageproviderplugin
+
+SOURCES += imageprovider.cpp
+
+sources.files = $$SOURCES imageprovider.qml imageprovider.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/declarative/cppextensions/imageprovider
+
+target.path = $$[QT_INSTALL_EXAMPLES]/declarative/cppextensions/imageprovider/ImageProviderCore
+
+ImageProviderCore_sources.files = \
+    ImageProviderCore/qmldir 
+ImageProviderCore_sources.path = $$[QT_INSTALL_EXAMPLES]/declarative/cppextensions/imageprovider/ImageProviderCore
+
+INSTALLS = sources ImageProviderCore_sources target
+
+symbian:{
+    include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri)
+    TARGET.EPOCALLOWDLLDATA = 1
+
+    importFiles.files = ImageProviderCore/qmlimageproviderplugin.dll ImageProviderCore/qmldir
+    importFiles.path = ImageProviderCore
+    DEPLOYMENT += importFiles
+}
+maemo5: include($$QT_SOURCE_TREE/examples/maemo5pkgrules.pri)
diff --git a/examples/declarative/cppextensions/imageprovider/imageprovider.qmlproject b/examples/declarative/cppextensions/imageprovider/imageprovider.qmlproject
new file mode 100644
index 00000000..d4909f86
--- /dev/null
+++ b/examples/declarative/cppextensions/imageprovider/imageprovider.qmlproject
@@ -0,0 +1,16 @@
+import QmlProject 1.0
+
+Project {
+    /* Include .qml, .js, and image files from current directory and subdirectories */
+    QmlFiles {
+        directory: "."
+    }
+    JavaScriptFiles {
+        directory: "."
+    }
+    ImageFiles {
+        directory: "."
+    }
+    /* List of plugin directories passed to QML runtime */
+    // importPaths: [ " ../exampleplugin " ]
+}