* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#define GL_GLEXT_PROTOTYPES
-#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::Oversampling = 2.0f;
+
+const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
+const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
+const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
+
+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) :
assert(_probe_index >= 0);
}
-void LogicSignal::paint(QGLWidget &widget, const QRect &rect,
- uint64_t scale, int64_t offset)
+void LogicSignal::paint(QPainter &p, const QRect &rect, double scale,
+ double offset)
{
- Point2F *vertex;
+ QLineF *line;
vector< pair<int64_t, bool> > edges;
+ assert(scale > 0);
assert(_data);
- const queue< shared_ptr<LogicDataSnapshot> > &snapshots =
+ const float high_offset = rect.top() + Margin;
+ const float low_offset = rect.bottom() - Margin;
+
+ const deque< shared_ptr<LogicDataSnapshot> > &snapshots =
_data->get_snapshots();
if(snapshots.empty())
return;
const shared_ptr<LogicDataSnapshot> &snapshot = snapshots.front();
- const uint64_t samplerate = _data->get_samplerate();
- const int64_t start_time = _data->get_start_time();
- const float samples_per_pixel = samplerate * scale / 1e15f;
- const int64_t start = samplerate * (offset - start_time) /
- 1000000000000000ULL;
- const int64_t end = start + samples_per_pixel * rect.width();
- const int64_t quantization_length = 1LL << (int64_t)floorf(
- max(logf(samples_per_pixel / Log2), 0.0f));
+ 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();
- snapshot->get_subsampled_edges(edges, start, end,
- quantization_length, _probe_index);
+ 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),
+ samples_per_pixel / Oversampling, _probe_index);
+ assert(edges.size() >= 2);
// Paint the edges
- const unsigned int edge_point_count = (edges.size() - 2) * 2;
- Point2F *const edge_points = new Point2F[edge_point_count];
- vertex = edge_points;
-
- for(vector<LogicDataSnapshot::EdgePair>::const_iterator i = edges.begin() + 1;
- i != edges.end() - 1; i++)
- {
- const int x = (int)((*i).first / samples_per_pixel) +
- rect.left();
-
- vertex->x = x, vertex->y = 10 + rect.top() - 1;
- vertex++;
- vertex->x = x, vertex->y = 40 + rect.top();
- vertex++;
+ const unsigned int edge_count = edges.size() - 2;
+ QLineF *const edge_lines = new QLineF[edge_count];
+ line = edge_lines;
+
+ for(vector<LogicDataSnapshot::EdgePair>::const_iterator i =
+ edges.begin() + 1;
+ i != edges.end() - 1; i++) {
+ const int x = (int)((*i).first / samples_per_pixel -
+ pixels_offset) + rect.left();
+ *line++ = QLineF(x, high_offset, x, low_offset);
}
- glColor3f(0,0,1);
- paint_lines(edge_points, edge_point_count);
- delete[] edge_points;
+ p.setPen(EdgeColour);
+ p.drawLines(edge_lines, edge_count);
+ delete[] edge_lines;
// 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_line_count = (edges.size() - 1);
+ QLineF *const cap_lines = new QLineF[max_cap_line_count];
- for(vector<LogicDataSnapshot::EdgePair>::const_iterator i = edges.begin();
- i != (edges.end() - 1); i++)
- {
- const int y = ((*i).second ? 10 : 40) + rect.top();
-
- vertex->x = (int)((*i).first / samples_per_pixel) +
- rect.left() - 1;
- vertex->y = y;
- vertex++;
-
- vertex->x = (int)((*(i+1)).first / samples_per_pixel) +
- rect.left();
- vertex->y = y;
- vertex++;
- }
+ p.setPen(HighColour);
+ paint_caps(p, cap_lines, edges, true, samples_per_pixel,
+ pixels_offset, rect.left(), high_offset);
+ p.setPen(LowColour);
+ paint_caps(p, cap_lines, edges, false, samples_per_pixel,
+ pixels_offset, rect.left(), low_offset);
- glColor3f(0,0,1);
- paint_lines(cap_points, cap_point_count);
- delete[] cap_points;
+ delete[] cap_lines;
}
-void LogicSignal::paint_lines(Point2F *points, int count)
+int LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
+ vector< pair<int64_t, bool> > &edges, bool level,
+ double samples_per_pixel, double pixels_offset, int x_offset,
+ int y_offset)
{
- GLuint vbo_id;
-
- assert(points);
-
- glGenBuffers(1, &vbo_id);
- glBindBuffer(GL_ARRAY_BUFFER, vbo_id);
+ QLineF *line = lines;
- const unsigned int vbo_length = count * sizeof(Point2F);
- glBufferData(GL_ARRAY_BUFFER, vbo_length, NULL, GL_STATIC_DRAW);
- glBufferSubData(GL_ARRAY_BUFFER, 0, vbo_length, points);
-
- glBindBuffer(GL_ARRAY_BUFFER, vbo_id);
-
- glVertexPointer(2, GL_FLOAT, sizeof(Point2F), 0);
+ for(vector<LogicDataSnapshot::EdgePair>::const_iterator i = edges.begin();
+ i != (edges.end() - 1); i++)
+ if((*i).second == level) {
+ *line++ = QLineF(
+ (int)((*i).first / samples_per_pixel -
+ pixels_offset) + x_offset, y_offset,
+ (int)((*(i+1)).first / samples_per_pixel -
+ pixels_offset) + x_offset, y_offset);
+ }
+
+ p.drawLines(lines, line - lines);
+}
- glEnableClientState(GL_VERTEX_ARRAY);
- glDrawArrays(GL_LINES, 0, count);
- glDisableClientState(GL_VERTEX_ARRAY);
+QColor LogicSignal::get_colour() const
+{
+ return LogicSignalColours[_probe_index % countof(LogicSignalColours)];
+}
- glDeleteBuffers(1, &vbo_id);
+int LogicSignal::get_nominal_offset(const QRect &rect) const
+{
+ return rect.bottom() - Margin;
}
projects / pulseview.git / blobdiff