demos/qtdemo/scanitem.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/qtdemo/scanitem.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,80 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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 "scanitem.h"
+#include "colors.h"
+
+#define ITEM_WIDTH 16
+#define ITEM_HEIGHT 16
+
+ScanItem::ScanItem(QGraphicsScene *scene, QGraphicsItem *parent)
+    : DemoItem(scene, parent)
+{
+    useSharedImage(QString(__FILE__));
+}
+
+ScanItem::~ScanItem()
+{
+}
+
+QImage *ScanItem::createImage(const QMatrix &matrix) const
+{
+    QRect scaledRect = matrix.mapRect(QRect(0, 0, ITEM_WIDTH, ITEM_HEIGHT));
+    QImage *image = new QImage(scaledRect.width(), scaledRect.height(), QImage::Format_ARGB32_Premultiplied);
+    image->fill(QColor(0, 0, 0, 0).rgba());
+    QPainter painter(image);
+    painter.setRenderHint(QPainter::Antialiasing);
+
+    if (Colors::useEightBitPalette){
+        painter.setPen(QPen(QColor(100, 100, 100), 2));
+        painter.setBrush(QColor(206, 246, 117));
+        painter.drawEllipse(1, 1, scaledRect.width()-2, scaledRect.height()-2);
+    }
+    else {
+        painter.setPen(QPen(QColor(0, 0, 0, 15), 1));
+//        painter.setBrush(QColor(206, 246, 117, 150));
+        painter.setBrush(QColor(0, 0, 0, 15));
+        painter.drawEllipse(1, 1, scaledRect.width()-2, scaledRect.height()-2);
+    }
+    return image;
+}
+
+