DecodeTrace: Refactor sample helpers and simplify method calls

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

diff --git a/pv/view/decodetrace.h b/pv/view/decodetrace.h
index 420961ad1c9f4d83a1d873f3740aac9cb6ce1d63..f71894d0cff9968158ce74c8a57328abbd7bd033 100644 (file)
--- a/pv/view/decodetrace.h
+++ b/pv/view/decodetrace.h
@@ -123,8 +123,7 @@ public:
 
 private:
        void draw_annotation(const pv::data::decode::Annotation &a, QPainter &p,
-               QColor text_colour, int text_height, int left, int right,
-               double samples_per_pixel, double pixels_offset, int y,
+               QColor text_colour, int text_height, int left, int right, int y,
                size_t base_colour) const;
 
        void draw_instant(const pv::data::decode::Annotation &a, QPainter &p,
@@ -139,7 +138,20 @@ private:
                int left, int right);
 
        void draw_unresolved_period(QPainter &p, int h, int left,
-               int right, double samples_per_pixel, double pixels_offset);
+               int right) const;
+
+       double get_pixels_offset() const;
+
+       double get_samples_per_pixel() const;
+
+       /**
+        * Determines the start and end sample for a given pixel range.
+        * @param x_start the X coordinate of the start sample in the view
+        * @param x_end the X coordinate of the end sample in the view
+        * @return Returns a pair containing the start sample and the end
+        *      sample that correspond to the start and end coordinates.
+        */
+       std::pair<uint64_t, uint64_t> get_sample_range(int x_start, int x_end) const;
 
        void create_decoder_form(int index,
                std::shared_ptr<pv::data::decode::Decoder> &dec,