initial import

ClippingStation/drawerscene.cpp

@@ -0,0 +1,181 @@
+/************************************************************************
+ * $Id: drawerscene.cpp 661 2011-04-05 13:16:53Z elzubeir $
+ *
+ * ------------
+ * Description:
+ * ------------
+ *
+ * (C) Copyright 2009-2011 ALLCONTENT. All rights reserved.
+ *
+ * -----------------
+ * Revision Details:    (Updated by Revision Control System)
+ * -----------------
+ *  $Date: 2011-04-05 17:16:53 +0400 (Tue, 05 Apr 2011) $
+ *  $Author: elzubeir $
+ *  $Revision: 661 $
+ *  $HeadURL: file:///opt/svn/socialhose/trunk/app/ClippingStation/drawerscene.cpp $
+ *
+ ************************************************************************/
+
+#include "drawerscene.h"
+
+#include <QGraphicsSceneDragDropEvent>
+#include <QMimeData>
+#include <QGraphicsPixmapItem>
+#include <QPainter>
+#include <QPrinter>
+#include <QImage>
+#include <QApplication>
+#include <QDesktopWidget>
+
+#include "constants.h"
+
+DrawerScene::DrawerScene(bool isfirst, QObject * parent):
+        QGraphicsScene(parent)
+{
+    setBackgroundBrush(Qt::gray);
+
+    // by now this is A4 format, so we set the scene Rect with a A4 geometry + margins borders (30 pix).
+    createPageItem("A4", isfirst);
+    if (m_pageItem)
+        setSceneRect(-10.0, -10.0, m_pageItem->boundingRect().width()+20.0, m_pageItem->boundingRect().height()+20.0);
+
+    m_timer = new QTimer(); //create a timer and connect it's timeout signal to the update slot
+    connect( m_timer, SIGNAL( timeout() ), this, SLOT( thumbnail() ) );
+}
+
+DrawerScene::~DrawerScene()
+{
+    //qDebug("~DrawerScene()");
+    if(m_pageItem)
+    {
+        delete m_pageItem;
+        m_pageItem = 0;
+    }
+
+    if(m_timer)
+    {
+        if (m_timer->isActive())
+            m_timer->stop();
+
+        delete m_timer;
+        m_timer = 0;
+    }
+}
+
+void DrawerScene::dropEvent(QGraphicsSceneDragDropEvent * event)
+{
+    //event->ignore();
+    QGraphicsScene::dropEvent(event);
+
+    //qDebug() << "emit signal";
+    //emit createThumbnail();
+    m_timer->start(100);
+}
+
+bool DrawerScene::createPageItem(const QString & paperFormat, bool isfirst)
+{
+    // format is useless by now
+    m_pageItem = new PageItem(paperFormat, isfirst);
+    addItem(m_pageItem);
+    return true;
+}
+
+QImage DrawerScene::screenShot()
+{
+    //first we hide the margins
+    m_pageItem->hideMargins();
+    m_pageItem->unselectItems();
+
+    int dpi = QApplication::desktop()->logicalDpiX();
+    int w = static_cast<int> (dpi * A4_WIDTH);
+    int h = static_cast<int> (dpi * A4_HEIGHT);
+    //int w = 827;
+    //int h = 1169;
+
+
+    QImage image(w, h, QImage::Format_RGB32);
+
+    QPainter painter(&image);
+
+    setBackgroundBrush(Qt::white);
+    painter.setBackgroundMode(Qt::TransparentMode);
+    painter.setBackground(Qt::white);
+    painter.setRenderHint(QPainter::HighQualityAntialiasing);
+
+    //QRect rec = m_pageItem->boundingRect().toRect();
+    //rec.setX(rec.x() - 20);
+    //rec.setY(rec.y() - 20);
+    //rec.setX(rec.x()-20);
+    //rec.setWidth(rec.width()-20);
+
+    QPoint bottomright = m_pageItem->boundingRect().toRect().bottomRight();
+    bottomright.setX(bottomright.x()+1);
+    bottomright.setY(bottomright.y()+1);
+
+    QRect rec(QPoint(-1, -1), bottomright);
+
+    //this->render(&painter,  m_pageItem->boundingRect().toRect(), m_pageItem->boundingRect().toRect() );
+    this->render(&painter,  rec, m_pageItem->boundingRect().toRect());
+
+    setBackgroundBrush(Qt::gray);
+
+
+    m_pageItem->hideMargins(false);
+
+    return image;
+}
+
+void DrawerScene::addThumbnail(QImage &img)
+{
+    m_pageItem->addThumbnail(img);
+}
+
+void DrawerScene::addCutout(QImage &img, QPointF &pos, qreal scale)
+{
+    m_pageItem->addCutout(img, pos, scale);
+}
+
+
+void DrawerScene::transform(qreal zoomFactor)
+{
+    if (!m_pageItem)
+        return;
+
+    m_zoomfactor = zoomFactor;
+
+    // we compute image center.
+    qreal imageCenterX = m_pageItem->x()+ m_pageItem->boundingRect().width()/2;
+    qreal imageCenterY = m_pageItem->y()+ m_pageItem->boundingRect().height()/2;
+
+    qreal imageX, imageY;
+    imageX = m_pageItem->boundingRect().width()/2;
+    imageY = m_pageItem->boundingRect().height()/2;
+
+    //m_pageItem->setTransformationMode(Qt::SmoothTransformation);
+    m_pageItem->setTransform(QTransform().translate(imageCenterX, imageCenterY).scale(zoomFactor, zoomFactor).translate(-imageCenterX, -imageCenterY));
+
+    //qDebug("Zoom Factor %.2d", zoomFactor);
+}
+
+void DrawerScene::thumbnail()
+{
+    emit createThumbnail();
+
+    m_timer->stop();
+}
+
+void DrawerScene::setPixmap(const QPixmap &pix) const
+{
+    m_pageItem->setPixmap(pix);
+}
+
+int DrawerScene::cutoutsCount()
+{
+    return m_pageItem->cutoutsCount();
+}
+
+QRectF DrawerScene::centerCutouts(bool isArabic)
+{
+    return m_pageItem->centerCutouts(isArabic);
+}