#include <GL/gl.h>
#include <GL/glext.h>
+#include <math.h>
+
+#include "extdef.h"
+
#include "logicdata.h"
#include "logicdatasnapshot.h"
#include "logicsignal.h"
using namespace boost;
using namespace std;
+const float Log2 = logf(2.0f);
+
+const float LogicSignal::Margin = 10.0f;
+
+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),
}
void LogicSignal::paint(QGLWidget &widget, const QRect &rect,
- uint64_t scale, int64_t offset)
+ double scale, double offset)
{
Point2F *vertex;
vector< pair<int64_t, bool> > edges;
+ assert(scale > 0);
assert(_data);
+ const float high_offset = rect.top() + Margin;
+ const float low_offset = rect.bottom() - Margin;
+
const queue< shared_ptr<LogicDataSnapshot> > &snapshots =
_data->get_snapshots();
if(snapshots.empty())
const shared_ptr<LogicDataSnapshot> &snapshot = snapshots.front();
- const int64_t start = 0;
- const int64_t end = 8000;
- const int64_t quantization_length = 4;
-
- snapshot->get_subsampled_edges(edges, start, end,
+ 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 = snapshot->get_sample_count() - 1;
+ const double samples_per_pixel = samplerate * scale;
+ 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((float)samples_per_pixel) / Log2, 0.0f));
+
+ 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
for(vector<LogicDataSnapshot::EdgePair>::const_iterator i = edges.begin() + 1;
i != edges.end() - 1; i++)
{
- const int x = edge.first / quantization_length +
+ const int x = (int)((*i).first / samples_per_pixel - pixels_offset) +
rect.left();
- vertex->x = x, vertex->y = 10 + rect.top() - 1;
+ vertex->x = x, vertex->y = high_offset;
vertex++;
- vertex->x = x, vertex->y = 40 + rect.top();
+ vertex->x = x, vertex->y = low_offset;
vertex++;
}
- glColor3f(0,0,1);
+ glColor3fv(EdgeColour);
paint_lines(edge_points, edge_point_count);
delete[] edge_points;
// Paint the caps
- const unsigned int cap_point_count = (edges.size() - 1) * 2;
- Point2F *const cap_points = new Point2F[cap_point_count];
- vertex = cap_points;
+ const unsigned int max_cap_point_count = (edges.size() - 1) * 2;
+ Point2F *const cap_points = new Point2F[max_cap_point_count];
- for(vector<LogicDataSnapshot::EdgePair>::const_iterator i = edges.begin();
- i != (edges.end() - 1); i++)
- {
- const int y = ((*i).second ? 10 : 40) + rect.top();
+ glColor3fv(HighColour);
+ paint_caps(cap_points, edges, true, samples_per_pixel,
+ pixels_offset, rect.left(), high_offset);
+ glColor3fv(LowColour);
+ paint_caps(cap_points, edges, false, samples_per_pixel,
+ pixels_offset, rect.left(), low_offset);
- vertex->x = (*i).first / quantization_length +
- rect.left() - 1;
- vertex->y = y;
- vertex++;
+ delete[] cap_points;
+}
- vertex->x = (*(i+1)).first / quantization_length +
- rect.left();
- vertex->y = y;
- vertex++;
- }
+int LogicSignal::paint_caps(Point2F *const cap_points,
+ vector< pair<int64_t, bool> > &edges, bool level,
+ double samples_per_pixel, double pixels_offset, int x_offset,
+ int y_offset)
+{
+ Point2F *vertex = cap_points;
- glColor3f(0,0,1);
- paint_lines(cap_points, cap_point_count);
- delete[] cap_points;
+ for(vector<LogicDataSnapshot::EdgePair>::const_iterator i = edges.begin();
+ i != (edges.end() - 1); i++)
+ if((*i).second == level)
+ {
+ vertex->x = (int)((*i).first / samples_per_pixel -
+ pixels_offset) + x_offset - 1;
+ vertex->y = y_offset;
+ vertex++;
+
+ vertex->x = (int)((*(i+1)).first / samples_per_pixel -
+ pixels_offset) + x_offset;
+ vertex->y = y_offset;
+ vertex++;
+ }
+
+ paint_lines(cap_points, vertex - cap_points);
}
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;
+}
projects / pulseview.git / blobdiff