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OpenBoard/src/domain/UBGraphicsPDFItem.cpp

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3.8 KiB

/*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "UBGraphicsPDFItem.h"
#include <QtGui>
#include "UBGraphicsScene.h"
#include "UBGraphicsPixmapItem.h"
#include "UBGraphicsItemDelegate.h"
#include "core/memcheck.h"
UBGraphicsPDFItem::UBGraphicsPDFItem(PDFRenderer *renderer, int pageNumber, QGraphicsItem* parent)
: GraphicsPDFItem(renderer, pageNumber, parent)
{
setData(UBGraphicsItemData::ItemLayerType, UBItemLayerType::Object);
mDelegate = new UBGraphicsItemDelegate(this,0);
mDelegate->init();
}
UBGraphicsPDFItem::~UBGraphicsPDFItem()
{
if (mDelegate)
delete mDelegate;
}
QVariant UBGraphicsPDFItem::itemChange(GraphicsItemChange change, const QVariant &value)
{
QVariant newValue = mDelegate->itemChange(change, value);
return GraphicsPDFItem::itemChange(change, newValue);
}
void UBGraphicsPDFItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
if (mDelegate->mousePressEvent(event))
{
// NOOP
}
else
{
GraphicsPDFItem::mousePressEvent(event);
}
}
void UBGraphicsPDFItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if (mDelegate->mouseMoveEvent(event))
{
// NOOP
}
else
{
GraphicsPDFItem::mouseMoveEvent(event);
}
}
void UBGraphicsPDFItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
mDelegate->mouseReleaseEvent(event);
GraphicsPDFItem::mouseReleaseEvent(event);
}
UBItem* UBGraphicsPDFItem::deepCopy() const
{
UBGraphicsPDFItem *copy = new UBGraphicsPDFItem(mRenderer, mPageNumber, parentItem());
copy->setPos(this->pos());
copy->setZValue(this->zValue());
copy->setTransform(this->transform());
copy->setFlag(QGraphicsItem::ItemIsMovable, true);
copy->setFlag(QGraphicsItem::ItemIsSelectable, true);
copy->setData(UBGraphicsItemData::ItemLayerType, this->data(UBGraphicsItemData::ItemLayerType));
copy->setUuid(this->uuid()); // this is OK for now as long as PDF are imutable
copy->setSourceUrl(this->sourceUrl());
return copy;
}
void UBGraphicsPDFItem::setRenderingQuality(RenderingQuality pRenderingQuality)
{
UBItem::setRenderingQuality(pRenderingQuality);
if (pRenderingQuality == RenderingQualityHigh)
{
setCacheMode(QGraphicsItem::NoCache);
}
else
{
setCacheMode(QGraphicsItem::DeviceCoordinateCache);
}
}
UBGraphicsScene* UBGraphicsPDFItem::scene()
{
return qobject_cast<UBGraphicsScene*>(QGraphicsItem::scene());
}
void UBGraphicsPDFItem::remove()
{
if (mDelegate)
mDelegate->remove(true);
}
UBGraphicsPixmapItem* UBGraphicsPDFItem::toPixmapItem() const
{
QPixmap pixmap(mRenderer->pageSizeF(mPageNumber).toSize());
QPainter painter(&pixmap);
mRenderer->render(&painter, mPageNumber);
UBGraphicsPixmapItem *pixmapItem = new UBGraphicsPixmapItem();
pixmapItem->setPixmap(pixmap);
pixmapItem->setPos(this->pos());
pixmapItem->setZValue(this->zValue());
pixmapItem->setTransform(this->transform());
pixmapItem->setFlag(QGraphicsItem::ItemIsMovable, true);
pixmapItem->setFlag(QGraphicsItem::ItemIsSelectable, true);
pixmapItem->setData(UBGraphicsItemData::ItemLayerType, this->data(UBGraphicsItemData::ItemLayerType));
return pixmapItem;
}