149 lines
4.8 KiB
C++
149 lines
4.8 KiB
C++
/***************************************************************************
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* Copyright (c) 2016 WandererFan <wandererfan@gmail.com> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library 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 Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <cmath>
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# include <sstream>
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# include <QGraphicsItem>
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# include <QRectF>
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# include <QString>
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#endif
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#include <Mod/TechDraw/App/DrawViewImage.h>
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#include "QGIViewImage.h"
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#include "QGCustomClip.h"
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#include "QGCustomImage.h"
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#include "Rez.h"
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#include "ViewProviderImage.h"
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using namespace TechDrawGui;
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QGIViewImage::QGIViewImage()
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{
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setHandlesChildEvents(false);
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setFlag(QGraphicsItem::ItemClipsChildrenToShape, false);
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setCacheMode(QGraphicsItem::NoCache);
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setAcceptHoverEvents(true);
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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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m_cliparea = new QGCustomClip();
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addToGroup(m_cliparea);
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m_cliparea->setRect(0., 0., 5., 5.);
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m_cliparea->centerAt(0., 0.);
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m_imageItem = new QGCustomImage();
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m_imageItem->setTransformationMode(Qt::SmoothTransformation);
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m_cliparea->addToGroup(m_imageItem);
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m_imageItem->centerAt(0., 0.);
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}
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QGIViewImage::~QGIViewImage()
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{
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// m_imageItem belongs to this group and will be deleted by Qt
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}
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void QGIViewImage::setViewImageFeature(TechDraw::DrawViewImage *obj)
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{
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setViewFeature(static_cast<TechDraw::DrawView *>(obj));
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}
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void QGIViewImage::updateView(bool update)
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{
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auto viewImage( dynamic_cast<TechDraw::DrawViewImage *>(getViewObject()) );
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if (!viewImage)
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return;
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if (update ||
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viewImage->isTouched() ||
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viewImage->Width.isTouched() ||
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viewImage->Height.isTouched() ||
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viewImage->ImageFile.isTouched()) {
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draw();
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}
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if (viewImage->Scale.isTouched()) {
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draw();
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}
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QGIView::updateView(update);
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}
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void QGIViewImage::draw()
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{
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if (!isVisible()) {
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return;
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}
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auto viewImage( dynamic_cast<TechDraw::DrawViewImage*>(getViewObject()) );
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if (!viewImage)
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return;
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auto vp = static_cast<ViewProviderImage*>(getViewProvider(getViewObject()));
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if (!vp)
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return;
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bool crop = vp->Crop.getValue();
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drawImage();
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if (crop) {
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QRectF cropRect(0.0, 0.0, Rez::guiX(viewImage->Width.getValue()), Rez::guiX(viewImage->Height.getValue()));
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m_cliparea->setRect(cropRect);
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} else {
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QRectF cropRect(0.0, 0.0, m_imageItem->imageSize().width(), m_imageItem->imageSize().height());
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m_cliparea->setRect(cropRect);
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}
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m_cliparea->centerAt(0.0, 0.0);
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drawImage();
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}
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void QGIViewImage::drawImage()
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{
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auto viewImage( dynamic_cast<TechDraw::DrawViewImage *>(getViewObject()) );
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if (!viewImage)
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return;
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if (!viewImage->ImageIncluded.isEmpty()) {
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QString fileSpec = QString::fromUtf8(viewImage->ImageIncluded.getValue(), strlen(viewImage->ImageIncluded.getValue()));
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m_imageItem->load(fileSpec);
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m_imageItem->setScale(viewImage->getScale());
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QRectF br = m_cliparea->rect();
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double midX = br.width()/2.0;
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double midY = br.height()/2.0;
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m_imageItem->centerAt(midX, midY);
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m_imageItem->show();
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}
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}
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void QGIViewImage::rotateView()
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{
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QRectF r = m_cliparea->boundingRect();
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m_cliparea->setTransformOriginPoint(r.center());
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double rot = getViewObject()->Rotation.getValue();
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m_cliparea->setRotation(-rot);
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}
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