Differential D11629 Diff 31442 lib/documentview/abstractimageview.h

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lib/documentview/abstractimageview.h

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39class AbstractImageView : public QGraphicsWidget 39​class AbstractImageView : public QGraphicsWidget
40{ 40​{
41 Q_OBJECT 41​ Q_OBJECT
42public: 42​public:
43 enum UpdateType { 43​ enum UpdateType {
44 UpdateIfNecessary, 44​ UpdateIfNecessary,
45 ForceUpdate 45​ ForceUpdate
46 }; 46​ };
47​ enum AlphaBackgroundMode {
48​ AlphaBackgroundCheckBoard,
49​ AlphaBackgroundSolid
50​ };
51​
47 AbstractImageView(QGraphicsItem* parent); 52​ AbstractImageView(QGraphicsItem* parent);
48 ~AbstractImageView(); 53​ ~AbstractImageView();
49 54​
50 qreal zoom() const; 55​ qreal zoom() const;
51 56​
52 virtual void setZoom(qreal zoom, const QPointF& center = QPointF(-1, -1), UpdateType updateType = UpdateIfNecessary); 57​ virtual void setZoom(qreal zoom, const QPointF& center = QPointF(-1, -1), UpdateType updateType = UpdateIfNecessary);
53 58​
54 bool zoomToFit() const; 59​ bool zoomToFit() const;
▲ Show 20 Lines • Show All 55 Lines • ▼ Show 20 Line(s)110Q_SIGNALS:
110 void zoomOutRequested(const QPointF&); 115​ void zoomOutRequested(const QPointF&);
111 void scrollPosChanged(); 116​ void scrollPosChanged();
112 void completed(); 117​ void completed();
113 void previousImageRequested(); 118​ void previousImageRequested();
114 void nextImageRequested(); 119​ void nextImageRequested();
115 void toggleFullScreenRequested(); 120​ void toggleFullScreenRequested();
116 121​
117protected: 122​protected:
123​ virtual void setAlphaBackgroundMode(AlphaBackgroundMode mode) = 0;
124​ virtual void setAlphaBackgroundColor(const QColor& color) = 0;
125​ const QPixmap& alphaBackgroundTexture() const;
126​
118 virtual void loadFromDocument() = 0; 127​ virtual void loadFromDocument() = 0;
119 virtual void onZoomChanged() = 0; 128​ virtual void onZoomChanged() = 0;
120 /** 129​ /**
121 * Called when the offset changes. 130​ * Called when the offset changes.
122 * Note: to avoid multiple adjustments, this is not called if zoom changes! 131​ * Note: to avoid multiple adjustments, this is not called if zoom changes!
123 */ 132​ */
124 virtual void onImageOffsetChanged() = 0; 133​ virtual void onImageOffsetChanged() = 0;
125 /** 134​ /**
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