Added record length selector

[pulseview.git] / logicsignal.cpp

diff --git a/logicsignal.cpp b/logicsignal.cpp
index 67d72bef8b7c741190cad954f84fddd9f42103ed..79a27ddd05c97996cc6f7332b3b6b3a7ab4e4058 100644 (file)
--- a/logicsignal.cpp
+++ b/logicsignal.cpp
@@ -24,6 +24,8 @@
 
 #include <math.h>
 
+#include "extdef.h"
+
 #include "logicdata.h"
 #include "logicdatasnapshot.h"
 #include "logicsignal.h"
@@ -39,6 +41,19 @@ const float LogicSignal::EdgeColour[3] =     {0.50f, 0.50f, 0.50f};
 const float LogicSignal::HighColour[3] =       {0.00f, 0.75f, 0.00f};
 const float LogicSignal::LowColour[3] =        {0.75f, 0.00f, 0.00f};
 
+const QColor LogicSignal::LogicSignalColours[10] = {
+       QColor(0x16, 0x19, 0x1A),       // Black
+       QColor(0x8F, 0x52, 0x02),       // Brown
+       QColor(0xCC, 0x00, 0x00),       // Red
+       QColor(0xF5, 0x79, 0x00),       // Orange
+       QColor(0xED, 0xD4, 0x00),       // Yellow
+       QColor(0x73, 0xD2, 0x16),       // Green
+       QColor(0x34, 0x65, 0xA4),       // Blue
+       QColor(0x75, 0x50, 0x7B),       // Violet
+       QColor(0x88, 0x8A, 0x85),       // Grey
+       QColor(0xEE, 0xEE, 0xEC),       // White
+};
+
 LogicSignal::LogicSignal(QString name, shared_ptr<LogicData> data,
        int probe_index) :
        Signal(name),
@@ -71,16 +86,16 @@ void LogicSignal::paint(QGLWidget &widget, const QRect &rect,
        const double pixels_offset = offset / scale;
        const double samplerate = _data->get_samplerate();
        const double start_time = _data->get_start_time();
-       const int64_t last_sample = (int64_t)snapshot->get_sample_count() - 1;
+       const int64_t last_sample = snapshot->get_sample_count() - 1;
        const double samples_per_pixel = samplerate * scale;
-       const int64_t start = min(max((int64_t)(samplerate * (offset - start_time)),
-               (int64_t)0), last_sample);
-       const int64_t end = min((int64_t)(start + samples_per_pixel * rect.width()),
-               last_sample);
+       const double start = samplerate * (offset - start_time);
+       const double end = start + samples_per_pixel * rect.width();
        const int64_t quantization_length = 1LL << (int64_t)floorf(
-               max(logf(samples_per_pixel / Log2), 0.0f));
+               max(logf((float)samples_per_pixel) / Log2, 0.0f));
 
-       snapshot->get_subsampled_edges(edges, start, end,
+       snapshot->get_subsampled_edges(edges,
+               min(max((int64_t)floor(start), (int64_t)0), last_sample),
+               min(max((int64_t)ceil(end), (int64_t)0), last_sample),
                quantization_length, _probe_index);
 
        // Paint the edges
@@ -166,3 +181,13 @@ void LogicSignal::paint_lines(Point2F *points, int count)
 
        glDeleteBuffers(1, &vbo_id);
 }
+
+QColor LogicSignal::get_colour() const
+{
+       return LogicSignalColours[_probe_index % countof(LogicSignalColours)];
+}
+
+int LogicSignal::get_nominal_offset(const QRect &rect) const
+{
+       return rect.bottom() - Margin;
+}