RowItem: Replaced fixed signal heights with extents

[pulseview.git] / pv / view / decodetrace.h

diff --git a/pv/view/decodetrace.h b/pv/view/decodetrace.h
index 96008b2b135503c41fa5193d24616b43b04e9718..2bb115412f9c5eb562296596a4c7145fc124b95c 100644 (file)
--- a/pv/view/decodetrace.h
+++ b/pv/view/decodetrace.h
@@ -90,7 +90,11 @@ public:
 
        const std::shared_ptr<pv::data::DecoderStack>& decoder() const;
 
-       void set_view(pv::view::View *view);
+       /**
+        * Computes the vertical extents of the contents of this row item.
+        * @return A pair containing the minimum and maximum y-values.
+        */
+       std::pair<int, int> v_extents() const;
 
        /**
         * Paints the background layer of the trace with a QPainter
@@ -141,9 +145,7 @@ private:
        void draw_unresolved_period(QPainter &p, int h, int left,
                int right) const;
 
-       double get_pixels_offset() const;
-
-       double get_samples_per_pixel() const;
+       std::pair<double, double> get_pixels_offset_samples_per_pixel() const;
 
        /**
         * Determines the start and end sample for a given pixel range.