123 lines
3.2 KiB
C++
123 lines
3.2 KiB
C++
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/***********************************************************************
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* This file is part of Scanned Image Extract.
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*
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* Scanned Image Extract is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scanned Image Extract is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scanned Image Extract. If not, see <http://www.gnu.org/licenses/>
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*
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*
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* Copyright (C) 2015, Dominik Rueß; info@dominik-ruess.de
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**********************************************************************/
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#include "imageboundary.h"
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#include <QBrush>
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#include <QColor>
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#include <QDebug>
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#include <QPen>
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#include <QStyleOptionGraphicsItem>
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#include <QTime>
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#include <QPainter>
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#include <QTimer>
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#include "TargetImage.h"
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ImageBoundary::ImageBoundary(QGraphicsItem *parent)
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: QGraphicsPathItem(parent)
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, _isCopied(false)
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, _userHasSeenThis(false)
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, _boundaryPercentage(-1.0)
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{
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QPointF corner[] = {QPointF(-100,-75),
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QPointF(100,-75),
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QPointF(100,75),
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QPointF(-100,75)};
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setCorners(corner);
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setFlag(QGraphicsItem::ItemIsMovable, true);
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setFlag(QGraphicsItem::ItemIsSelectable, true);
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setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
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setBrush(NON_SELECTED);
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}
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QRectF ImageBoundary::boundingRect()
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{
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QRectF out;
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QPointF mi(1e10,1e10), ma(-1e10, -1e10);
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for (int i=0; i<4; i++)
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{
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mi.setX(qMin(mi.x(), corners()[i].x()));
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mi.setY(qMin(mi.y(), corners()[i].y()));
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ma.setX(qMax(ma.x(), corners()[i].x()));
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ma.setY(qMax(ma.y(), corners()[i].y()));
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}
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out = QRectF(mi, ma);
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return out;
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}
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void ImageBoundary::setCorners(const QPointF corner[])
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{
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QPainterPath path;
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path.moveTo(corner[0]);
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for (int i=0; i<4; i++) {
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_corners[i] = corner[i];
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if (i>0) {
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path.lineTo(corner[i]);
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}
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}
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path.lineTo(corner[0]);
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setPath(path);
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}
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const QPointF* ImageBoundary::corners() const
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{
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return _corners;
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}
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void ImageBoundary::setCopied(const bool copied)
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{
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dirty();
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_isCopied = copied;
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}
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void ImageBoundary::paint ( QPainter * painter,
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const QStyleOptionGraphicsItem * option,
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QWidget * widget )
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{
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QPen pen;
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if ( this->isSelected()) {
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setBrush(SELECTED);
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pen.setStyle(Qt::DashLine);
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QTime t = QTime::currentTime();
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QVector<qreal> dashes;
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dashes << 5 << 5;
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pen.setDashPattern(dashes);
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pen.setDashOffset(5*((float)t.second() + (float)t.msec()/1000.0));
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} else {
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setBrush(_isCopied ? COPIED : NON_SELECTED);
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}
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pen.setWidth(2);
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pen.setCosmetic(true);
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setPen(pen);
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QStyleOptionGraphicsItem option2 (*option);
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option2.state = option2.state & (~QStyle::State_Selected);
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QGraphicsPathItem::paint(painter, &option2, widget);
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}
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