85 lines
2.1 KiB
C++
85 lines
2.1 KiB
C++
#include "graphicsscene.h"
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#include <QGraphicsSceneMouseEvent>
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#include <QMimeData>
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#include <QDebug>
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#include <QGraphicsItem>
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#include <QUrl>
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#include <QGraphicsSvgItem>
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#include <QMovie>
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#include <QLabel>
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#include <QPainter>
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GraphicsScene::GraphicsScene(QObject *parent)
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: QGraphicsScene(parent)
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{
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showText(tr("Drag image here"));
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}
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GraphicsScene::~GraphicsScene()
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{
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}
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void GraphicsScene::showImage(const QPixmap &pixmap)
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{
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this->clear();
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QGraphicsPixmapItem * pixmapItem = this->addPixmap(pixmap);
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pixmapItem->setShapeMode(QGraphicsPixmapItem::BoundingRectShape);
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m_theThing = pixmapItem;
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this->setSceneRect(m_theThing->boundingRect());
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}
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void GraphicsScene::showText(const QString &text)
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{
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this->clear();
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QGraphicsTextItem * textItem = this->addText(text);
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textItem->setDefaultTextColor(QColor("White"));
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m_theThing = textItem;
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this->setSceneRect(m_theThing->boundingRect());
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}
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void GraphicsScene::showSvg(const QString &filepath)
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{
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this->clear();
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QGraphicsSvgItem * svgItem = new QGraphicsSvgItem(filepath);
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this->addItem(svgItem);
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m_theThing = svgItem;
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this->setSceneRect(m_theThing->boundingRect());
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}
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void GraphicsScene::showGif(const QString &filepath)
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{
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this->clear();
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QMovie * movie = new QMovie(filepath);
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QLabel * label = new QLabel;
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label->setStyleSheet("background-color:rgba(225,255,255,0);");
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label->setMovie(movie);
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this->addWidget(label);
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movie->start();
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m_theThing = this->addRect(QRect(QPoint(0, 0), label->sizeHint()),
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QPen(Qt::transparent));
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this->setSceneRect(m_theThing->boundingRect());
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}
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bool GraphicsScene::trySetTransformationMode(Qt::TransformationMode mode)
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{
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QGraphicsPixmapItem * pixmapItem = qgraphicsitem_cast<QGraphicsPixmapItem *>(m_theThing);
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if (pixmapItem) {
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pixmapItem->setTransformationMode(mode);
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return true;
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}
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return false;
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}
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QPixmap GraphicsScene::renderToPixmap()
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{
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QPixmap pixmap(sceneRect().toRect().size());
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pixmap.fill(Qt::transparent);
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QPainter p(&pixmap);
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render(&p, sceneRect());
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return pixmap;
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}
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