X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fdecodetrace.h;h=f71894d0cff9968158ce74c8a57328abbd7bd033;hp=420961ad1c9f4d83a1d873f3740aac9cb6ce1d63;hb=7f8517f63ab9ff98938ceee486bb94c0aa80b74b;hpb=ef40ad83ac7e2cb12b4ecfede4564ba3ef416905

diff --git a/pv/view/decodetrace.h b/pv/view/decodetrace.h
index 420961ad..f71894d0 100644
--- 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,