initial import
This commit is contained in:
Mo Elzubeir
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/************************************************************************
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* $Id: imagecutout.cpp 661 2011-04-05 13:16:53Z elzubeir $
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*
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* ------------
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* Description:
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* ------------
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*
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* (C) Copyright 2009-2011 ALLCONTENT. All rights reserved.
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*
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* -----------------
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* Revision Details: (Updated by Revision Control System)
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* -----------------
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* $Date: 2011-04-05 17:16:53 +0400 (Tue, 05 Apr 2011) $
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* $Author: elzubeir $
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* $Revision: 661 $
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* $HeadURL: file:///opt/svn/socialhose/trunk/app/ClippingStation/imagecutout.cpp $
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*
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************************************************************************/
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#include "imagecutout.h"
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#include <QPen>
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#include <QCursor>
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#include <QGraphicsSceneMouseEvent>
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#include <QApplication>
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#include <QDrag>
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#include <QMimeData>
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#include <QPainter>
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#include <QBitmap>
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#include <QtDebug>
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#include <QByteArray>
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#include <QBuffer>
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#include "fullpagescene.h"
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int ImageCutout::totalCount = 0;
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ImageCutout::ImageCutout(int id, const QPolygonF & selectionRect, qreal rotationAngle, QString pagename, SELECTION_AREA_TYPE selectionType, SELECTION_MODE mode, QGraphicsItem * parent) :
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QGraphicsPolygonItem(parent),
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m_id(id),
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m_rotationAngle(rotationAngle),
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m_pageName(pagename),
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m_selectionType(selectionType),
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m_mode(mode)
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{
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//image is color coded red //tim_tle is color coded bule //body is color coded green
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QColor color = Qt::red;
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if(m_selectionType == BODY)
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color = Qt::green;
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else if(m_selectionType == TITLE)
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color = Qt::blue;
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// color & styles
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QPen pen(Qt::DashDotLine);
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pen.setColor(color);
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pen.setWidth(2);
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setPen(pen);
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QBrush m_brush;
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m_brush.setStyle(Qt::Dense7Pattern);
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m_brush.setColor(color);
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setBrush(m_brush);
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// size
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m_rectangle = selectionRect.boundingRect().toRect();
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setPolygon(selectionRect);
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// zorder on top
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setZValue(1.0);
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setFlag(QGraphicsItem::ItemIsSelectable, true);
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setFlag(QGraphicsItem::ItemIsFocusable,true);
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m_isScreenshot = false;
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m_tweaking = false;
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m_tweakingpart = "";
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m_orderTextItem = 0;
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m_order = 0;
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m_orderTextItem = new QGraphicsSimpleTextItem("", this);
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QFont serifFont("Times", 60);
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m_orderTextItem->setFont(serifFont);
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m_orderTextItem->setPen( QPen( Qt::darkBlue, 3) );
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m_orderTextItem->setBrush( Qt::darkBlue);
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m_orderTextItem->setPos( m_rectangle.topLeft());
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m_orderTextItem->setVisible(false);
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}
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ImageCutout::~ImageCutout()
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{
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if(m_orderTextItem)
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delete m_orderTextItem;
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m_orderTextItem = 0;
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}
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void ImageCutout::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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if (m_mode != SELECT)
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return;
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if (event->button() != Qt::LeftButton)
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{
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event->ignore();
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return;
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}
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checkBoundary(event->pos().toPoint(), true);
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if(m_tweakingpart != "")
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m_tweaking = true;
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}
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void ImageCutout::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
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{
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if (m_mode != SELECT)
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{
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if(m_mode == ORDER)
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setCursor( QCursor(Qt::PointingHandCursor) );
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else
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setCursor( QCursor(Qt::ArrowCursor) );
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return;
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}
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if(m_orderTextItem)
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m_orderTextItem->setVisible(false);
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if(m_tweaking)
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{
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QPoint pt = event->pos().toPoint();
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m_rectangle = this->boundingRect().toRect();
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if ( m_tweakingpart == "topLeft" ) m_rectangle . setTopLeft ( pt ) ;
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else if ( m_tweakingpart == "topRight" ) m_rectangle . setTopRight ( pt ) ;
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else if ( m_tweakingpart == "bottomLeft" ) m_rectangle . setBottomLeft ( pt ) ;
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else if ( m_tweakingpart == "bottomRight" ) m_rectangle . setBottomRight ( pt ) ;
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else if ( m_tweakingpart == "top" ) m_rectangle . setTop ( pt . y () ) ;
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else if ( m_tweakingpart == "bottom" ) m_rectangle . setBottom ( pt . y () ) ;
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else if ( m_tweakingpart == "left" ) m_rectangle . setLeft ( pt . x () ) ;
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else if ( m_tweakingpart == "right" ) m_rectangle . setRight ( pt . x () ) ;
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update(m_rectangle);
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}
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else
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{
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QImage cutout = createCutout();
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if (cutout.isNull())
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return;
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//qDebug() << "create image ...";
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QDrag *drag = new QDrag(event->widget());
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QMimeData *mime = new QMimeData;
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QByteArray output;
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QBuffer outputBuffer(&output);
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outputBuffer.open(QIODevice::WriteOnly);
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cutout.save(&outputBuffer, "jpg", 100);
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mime->setData("image/jpg", output); //save a copy
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drag->setMimeData(mime);
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mime->setImageData(cutout);
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qreal scale = (static_cast<FullPageScene*>(scene()) )->A4PageScale();
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drag->setPixmap(QPixmap::fromImage(cutout).scaledToWidth( cutout.width()*scale) );
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//drag->setPixmap(selectedImage);
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drag->setHotSpot(QPoint(0,0));
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drag->exec();
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}
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}
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void ImageCutout::mouseReleaseEvent(QGraphicsSceneMouseEvent *)
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{
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if(m_mode == VIEW)
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return;
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if(m_mode == ORDER)
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{
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orderItems();
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return;
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}
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m_tweaking = false ;
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m_tweakingpart = "" ;
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//this -> unsetCursor () ;
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setCursor(QCursor(Qt::OpenHandCursor));
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m_rectangle = m_rectangle.normalized();
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update(this->boundingRect().toRect());
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if(m_orderTextItem)
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m_orderTextItem->setPos( m_orderTextItem->mapToParent(0, 0) );
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}
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QImage ImageCutout::createCutout() const
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{
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if(m_mode != SELECT)
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return QImage();
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// get selection rect in scene coordinates.
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QRectF sceneRect = mapRectToScene(boundingRect());
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// convert the scene coordinates to item coordinates.
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QPointF topLeftCorner = static_cast<FullPageScene*>(scene())->mapToImageItem(QPointF(sceneRect.left(), sceneRect.top()));
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QPointF bottomRightCorner = static_cast<FullPageScene*>(scene())->mapToImageItem(QPointF(sceneRect.right(), sceneRect.bottom()));
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// exm_tract the selection fragment from the pixmap.
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QPixmap px = static_cast<FullPageScene*>(scene())->getImageCutoutPixmap(QRectF(topLeftCorner, bottomRightCorner));
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if (!px.isNull())
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{
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// after calculating the pixmap, we rotate it if needed
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QImage image = px.toImage();
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QMatrix mx;
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mx = mx.rotate(m_rotationAngle);
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// mx = mx.scale(.5, .5); //dont do this
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image = image.transformed(mx);
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return image;
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}
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return QImage();
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}
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void ImageCutout::keyPressEvent(QKeyEvent *key)
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{
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if(m_mode != SELECT)
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return;
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if(key->key() == Qt::Key_I)
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m_selectionType = IMAGE;
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else if(key->key() == Qt::Key_T)
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m_selectionType = TITLE;
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else if(key->key() == Qt::Key_B)
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m_selectionType = BODY;
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else if(key->key() == Qt::Key_Delete)
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{
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decreaseOrderByOne(m_order);
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//staticCount--;
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static_cast<FullPageScene*>(scene())->removeImageCutout(this);
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//scene()->removeItem(this);
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return;
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}
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else
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{
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QGraphicsPolygonItem::keyPressEvent(key);
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return;
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}
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scene()->update(sceneBoundingRect());
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//update();
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}
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bool ImageCutout::operator == (const ImageCutout & cutout)
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{
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return this->boundingRect() == cutout.boundingRect();
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}
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void ImageCutout::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget */*widget*/)
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{
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painter->setClipRect(option->exposedRect);
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QColor color = Qt::yellow;
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if(m_selectionType == IMAGE)
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color = Qt::red;
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if(m_selectionType == BODY)
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color = Qt::green;
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else if(m_selectionType == TITLE)
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color = Qt::blue;
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QPen pen(Qt::NoPen);
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if(m_mode == VIEW)
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pen.setStyle(Qt::SolidLine);
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pen.setColor(color);
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pen.setWidth(2);
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painter->setPen(pen);
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QBrush m_brush;
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if (m_mode == VIEW)
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{
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m_brush.setStyle(Qt::NoBrush);
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this->setSelected(false);
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}
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else
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{
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m_brush.setStyle(Qt::SolidPattern);
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if(m_isScreenshot)
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{
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this->setOpacity(.7);
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this->setSelected(false);
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}
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else
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this->setOpacity(.2);
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}
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if(m_orderTextItem)
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{
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if(m_mode == ORDER)
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{
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QString text = QString("%1").arg(m_order);
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m_orderTextItem->setText(text);
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m_orderTextItem->setPos( boundingRect().topLeft() );
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m_orderTextItem->setVisible(true);
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}
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else
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m_orderTextItem->setVisible(false);
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}
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m_brush.setColor(color);
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painter->setBrush(m_brush);
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QPolygon ply(m_rectangle, true);
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setPolygon(ply);
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painter->drawPolygon(polygon(), fillRule());
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scene()->update(sceneBoundingRect());
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}
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int ImageCutout::id()
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{
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return m_id;
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}
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QString ImageCutout::pageName()
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{
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return m_pageName;
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}
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int ImageCutout::pageNumber()
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{
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QString page = m_pageName;
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int index = page.lastIndexOf("/");
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int pagenumber = page.right(page.length()-index-1).replace(".jpg", "").toInt();
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return pagenumber;
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}
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int ImageCutout::sectionNumber()
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{
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QString page = m_pageName;
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int index = page.lastIndexOf("/");
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int index2 = page.lastIndexOf("/", index-1);
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int id_section = page.mid(index2+1, abs(index2-index)-1).toInt();
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return id_section;
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}
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int ImageCutout::areaType()
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{
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return static_cast<int> (m_selectionType);
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}
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void ImageCutout::setScreenshot(bool screenshot)
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{
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m_isScreenshot = screenshot;
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update(this->boundingRect().toRect());
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}
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void ImageCutout::checkBoundary(QPoint pt, bool t)
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{
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if(m_mode == VIEW)
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return;
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m_rectangle = this->boundingRect().toRect();
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if ( m_rectangle.isValid() )
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{
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QPoint m_tl = m_rectangle.topLeft();
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QPoint m_tr = m_rectangle.topRight();
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QPoint m_bl = m_rectangle.bottomLeft();
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QPoint m_br = m_rectangle.bottomRight();
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const QPoint off(20, 20), offx(20, -20), offy(-20, 20);
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if ( QRect(m_tl-off,m_tl+off).contains(pt) )
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{
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if (t)
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m_tweakingpart = "topLeft";
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this->setCursor( Qt::SizeFDiagCursor ) ;
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}
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else if( QRect(m_tr-off, m_tr+off).contains(pt) )
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{
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if (t)
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m_tweakingpart = "topRight";
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this->setCursor( Qt::SizeBDiagCursor ) ;
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}
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else if( QRect( m_bl-off, m_bl+off ).contains(pt) )
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{
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if (t)
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m_tweakingpart = "bottomLeft";
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this->setCursor( Qt::SizeBDiagCursor) ;
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}
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else if( QRect( m_br-off, m_br+off).contains(pt) )
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{
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if (t)
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m_tweakingpart = "bottomRight" ;
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this->setCursor( Qt::SizeFDiagCursor );
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}
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else if( QRect( m_tl+offx, m_tr-offx ).contains(pt) )
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{
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if (t)
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m_tweakingpart = "top";
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this->setCursor( Qt::SizeVerCursor ) ;
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}
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else if( QRect( m_bl+offx, m_br-offx ).contains(pt) )
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{
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if (t)
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m_tweakingpart = "bottom";
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this->setCursor( Qt::SizeVerCursor ) ;
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}
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else if( QRect( m_tl+offy, m_bl-offy ).contains(pt) )
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{
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if (t)
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m_tweakingpart = "left";
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this->setCursor( Qt::SizeHorCursor ) ;
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}
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else if( QRect( m_tr+offy, m_br-offy ).contains(pt) )
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{
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if (t)
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m_tweakingpart = "right";
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this->setCursor( Qt::SizeHorCursor );
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}
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else
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this->setCursor( Qt::OpenHandCursor );
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}
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||||
}
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QRectF ImageCutout::boundingRect() const
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{
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return QRectF(m_rectangle);
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}
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||||
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QString ImageCutout::pages(QList<ImageCutout*> &list)
|
||||
{
|
||||
if (list.count() <= 0 )
|
||||
return "";
|
||||
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||||
QStringList names;
|
||||
QStringList fullnamesList;
|
||||
|
||||
for(int i=0; i< list.count() ; i++)
|
||||
{
|
||||
QString page = list[i]->pageName();
|
||||
if ( !fullnamesList.contains(page) )
|
||||
{
|
||||
fullnamesList.append(page);
|
||||
int index = page.lastIndexOf("/");
|
||||
QString name = page.right(page.length()-index-1).replace(".jpg", "");
|
||||
int number = name.toInt();
|
||||
name = QString("%1").arg(number);
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||||
names.append(name);
|
||||
}
|
||||
}
|
||||
|
||||
return names.join(",");
|
||||
}
|
||||
|
||||
QStringList ImageCutout::fullPages(QList<ImageCutout*> &list)
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||||
{
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||||
QStringList fullnamesList;
|
||||
if (list.count() <= 0 )
|
||||
return fullnamesList;
|
||||
|
||||
for(int i=0; i< list.count() ; i++)
|
||||
{
|
||||
QString page = list[i]->pageName();
|
||||
if ( !fullnamesList.contains(page) )
|
||||
fullnamesList.append(page);
|
||||
}
|
||||
return fullnamesList;
|
||||
}
|
||||
|
||||
void ImageCutout::decreaseOrderByOne(int greaterThanOrder)
|
||||
{
|
||||
QList<ImageCutout*> list = static_cast<FullPageScene*> (scene() )->imageCutoutsList();
|
||||
foreach (ImageCutout *cutout, list)
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||||
{
|
||||
if(cutout->order() >= greaterThanOrder)
|
||||
cutout->setOrder(cutout->order()-1);
|
||||
}
|
||||
}
|
||||
|
||||
void ImageCutout::orderItems()
|
||||
{
|
||||
FullPageScene *fullpageScene = static_cast<FullPageScene*> (scene() );
|
||||
QList<ImageCutout*> list = fullpageScene->imageCutoutsList();
|
||||
ImageCutout * firstItem = 0;
|
||||
foreach (ImageCutout *cutout, list)
|
||||
{
|
||||
if(cutout->order() == fullpageScene->currentOrder() )
|
||||
{
|
||||
fullpageScene->increaseCurrentOrder();
|
||||
firstItem = cutout;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
//swap between the 2 m_orderTextItems
|
||||
int firstOrder = firstItem->order();
|
||||
int secondOrder= this->order();
|
||||
|
||||
this->setOrder(firstOrder);
|
||||
firstItem->setOrder(secondOrder);
|
||||
|
||||
this->update(this->boundingRect());
|
||||
firstItem->update(firstItem->boundingRect());
|
||||
}
|
||||
|
||||
void ImageCutout::setMode(SELECTION_MODE mode)
|
||||
{
|
||||
m_mode = mode;
|
||||
update(this->boundingRect().toRect());
|
||||
}
|
||||
|
||||
void ImageCutout::setOrder(int order)
|
||||
{
|
||||
m_order = order;
|
||||
}
|
||||
|
||||
int ImageCutout::order()
|
||||
{
|
||||
return m_order;
|
||||
}
|
||||
|
||||
int ImageCutout::getTotalCount()
|
||||
{
|
||||
return totalCount;
|
||||
}
|
||||
|
||||
void ImageCutout::setTotalCount(int count)
|
||||
{
|
||||
totalCount = count;
|
||||
}
|
||||
|
||||
void ImageCutout::incrementTotalCount()
|
||||
{
|
||||
totalCount++;
|
||||
}
|
||||
|
||||
void ImageCutout::decrementTotalCount()
|
||||
{
|
||||
totalCount--;
|
||||
}
|
||||
Reference in New Issue
Block a user