RowItemPaintParams: Bundled scale and offset

[pulseview.git] / pv / view / analogsignal.cpp

diff --git a/pv/view/analogsignal.cpp b/pv/view/analogsignal.cpp
index 325ab6bd301e00e610f51e9997367b0a9cb9cd58..5d838506cedb1877ccf3b284b92735ba2cf0025f 100644 (file)
--- a/pv/view/analogsignal.cpp
+++ b/pv/view/analogsignal.cpp
@@ -100,14 +100,6 @@ void AnalogSignal::paint_mid(QPainter &p, const RowItemPaintParams &pp)
 
        const int y = get_visual_y();
 
-       const View *const view = owner_->view();
-       assert(view);
-
-       const double scale = view->scale();
-       assert(scale > 0);
-
-       const double offset = view->offset();
-
        if (!channel_->enabled())
                return;
 
@@ -119,12 +111,12 @@ void AnalogSignal::paint_mid(QPainter &p, const RowItemPaintParams &pp)
        const shared_ptr<pv::data::AnalogSnapshot> &snapshot =
                snapshots.front();
 
-       const double pixels_offset = offset / scale;
+       const double pixels_offset = pp.pixels_offset();
        const double samplerate = data_->samplerate();
        const double start_time = data_->get_start_time();
        const int64_t last_sample = snapshot->get_sample_count() - 1;
-       const double samples_per_pixel = samplerate * scale;
-       const double start = samplerate * (offset - start_time);
+       const double samples_per_pixel = samplerate * pp.scale();
+       const double start = samplerate * (pp.offset() - start_time);
        const double end = start + samples_per_pixel * pp.width();
 
        const int64_t start_sample = min(max((int64_t)floor(start),