Render ruler and signals with sub-pixel accuracy

[pulseview.git] / pv / logicsignal.h

diff --git a/pv/logicsignal.h b/pv/logicsignal.h
index e12f0ca404d4dd0c0c38ef8c72aec0e94179b979..5c527206d521faf915345aa3940a949ae937cb68 100644 (file)
--- a/pv/logicsignal.h
+++ b/pv/logicsignal.h
@@ -18,6 +18,9 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#ifndef PULSEVIEW_PV_LOGICSIGNAL_H
+#define PULSEVIEW_PV_LOGICSIGNAL_H
+
 #include "signal.h"
 
 #include <boost/shared_ptr.hpp>
@@ -55,10 +58,10 @@ public:
 
 private:
 
-       int paint_caps(QPainter &p, QLineF *const lines,
+       void paint_caps(QPainter &p, QLineF *const lines,
                std::vector< std::pair<int64_t, bool> > &edges,
                bool level, double samples_per_pixel, double pixels_offset,
-               int x_offset, int y_offset);
+               float x_offset, float y_offset);
 
        /**
         * Get the colour of the logic signal
@@ -77,3 +80,5 @@ private:
 };
 
 } // namespace pv
+
+#endif // PULSEVIEW_PV_LOGICSIGNAL_H