X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=sigview.h;h=3630d17e572cfe074a893d7463370d0af4148a3e;hb=a8d3fb2df629023bb80b60cefb35c90b859206f8;hp=2d450df21c0822374d36aa0bdccd9cf2b24f7b6a;hpb=04abfae9c8f8e4884e6535d6584df8b5f1e3a1db;p=pulseview.git

diff --git a/sigview.h b/sigview.h
index 2d450df2..3630d17e 100644
--- a/sigview.h
+++ b/sigview.h
@@ -33,6 +33,9 @@ class SigView : public QGLWidget
 	Q_OBJECT
 
 private:
+	static const double MaxScale;
+	static const double MinScale;
+
 	static const int SignalHeight;
 	static const int LabelMarginWidth;
 	static const int RulerHeight;
@@ -46,6 +49,8 @@ private:
 public:
 	explicit SigView(SigSession &session, QWidget *parent = 0);
 
+	void zoom(double steps);
+
 protected:
 
 	void initializeGL();
@@ -65,6 +70,8 @@ private:
 
 	void paint_ruler(QPainter &p);
 
+	void zoom(double steps, int offset);
+
 private slots:
 	void data_updated();