90 lines
2.2 KiB
C++
90 lines
2.2 KiB
C++
/*
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SPDX-FileCopyrightText: 2010 Marco Martin <mart@kde.org>
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SPDX-FileCopyrightText: 2014 David Edmundson <davidedmundson@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef SVGITEM_P
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#define SVGITEM_P
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#include <QImage>
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#include <QQuickItem>
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#include "units.h"
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namespace Plasma
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{
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class Svg;
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/**
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* @class SvgItem
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* @short Displays an SVG or an element from an SVG file
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*/
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class SvgItem : public QQuickItem
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{
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Q_OBJECT
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/**
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* The sub element of the svg we want to render. If empty the whole svg document will be painted.
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*/
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Q_PROPERTY(QString elementId READ elementId WRITE setElementId NOTIFY elementIdChanged)
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/**
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* Svg class that is the source of the image, use it like that:
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* @code
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* SvgItem {
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* svg: Svg {imagePath: "widgets/arrows"}
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* elementId: "arrow-left"
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* }
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* @endcode
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* Instead of a Svg declaration it can also be the id of a Svg declared elsewhere, useful to share Svg instances.
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*/
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Q_PROPERTY(Plasma::Svg *svg READ svg WRITE setSvg NOTIFY svgChanged)
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/**
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* The natural, unscaled size of the svg document or the element. useful if a pixel perfect rendering of outlines is needed.
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*/
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Q_PROPERTY(QSizeF naturalSize READ naturalSize NOTIFY naturalSizeChanged)
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public:
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/// @cond INTERNAL_DOCS
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explicit SvgItem(QQuickItem *parent = nullptr);
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~SvgItem() override;
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void setElementId(const QString &elementID);
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QString elementId() const;
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void setSvg(Plasma::Svg *svg);
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Plasma::Svg *svg() const;
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QSizeF naturalSize() const;
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QSGNode *updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *updatePaintNodeData) override;
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/// @endcond
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Q_SIGNALS:
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void elementIdChanged();
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void svgChanged();
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void naturalSizeChanged();
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protected Q_SLOTS:
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/// @cond INTERNAL_DOCS
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void updateNeeded();
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void updateDevicePixelRatio();
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/// @endcond
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private:
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void scheduleImageUpdate();
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void updatePolish() override;
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void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) override;
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QPointer<Plasma::Svg> m_svg;
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QString m_elementID;
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bool m_textureChanged;
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QImage m_image;
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};
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}
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#endif
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