* 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"
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 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::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
assert(_probe_index >= 0);
}
-void LogicSignal::paint(QGLWidget &widget, const QRect &rect,
- double scale, double offset)
+void LogicSignal::paint(QPainter &p, const QRect &rect, double scale,
+ double offset)
{
- Point2F *vertex;
+ QLineF *line;
vector< pair<int64_t, bool> > edges;
const float high_offset = rect.top() + Margin;
const float low_offset = rect.bottom() - Margin;
- const queue< shared_ptr<LogicDataSnapshot> > &snapshots =
+ const deque< shared_ptr<LogicDataSnapshot> > &snapshots =
_data->get_snapshots();
if(snapshots.empty())
return;
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);
+ 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 - pixels_offset) +
- rect.left();
-
- vertex->x = x, vertex->y = high_offset;
- vertex++;
- vertex->x = x, vertex->y = low_offset;
- 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);
}
- glColor3fv(EdgeColour);
- 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 max_cap_point_count = (edges.size() - 1) * 2;
- Point2F *const cap_points = new Point2F[max_cap_point_count];
+ const unsigned int max_cap_line_count = (edges.size() - 1);
+ QLineF *const cap_lines = new QLineF[max_cap_line_count];
- glColor3fv(HighColour);
- paint_caps(cap_points, edges, true, samples_per_pixel,
+ p.setPen(HighColour);
+ paint_caps(p, cap_lines, edges, true, samples_per_pixel,
pixels_offset, rect.left(), high_offset);
- glColor3fv(LowColour);
- paint_caps(cap_points, edges, false, samples_per_pixel,
+ p.setPen(LowColour);
+ paint_caps(p, cap_lines, edges, false, samples_per_pixel,
pixels_offset, rect.left(), low_offset);
- delete[] cap_points;
+ delete[] cap_lines;
}
-int LogicSignal::paint_caps(Point2F *const cap_points,
+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)
{
- Point2F *vertex = cap_points;
+ QLineF *line = lines;
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++;
+ 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);
}
- paint_lines(cap_points, vertex - cap_points);
-}
-
-void LogicSignal::paint_lines(Point2F *points, int count)
-{
- GLuint vbo_id;
-
- assert(points);
-
- glGenBuffers(1, &vbo_id);
- glBindBuffer(GL_ARRAY_BUFFER, vbo_id);
-
- 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);
-
- glEnableClientState(GL_VERTEX_ARRAY);
- glDrawArrays(GL_LINES, 0, count);
- glDisableClientState(GL_VERTEX_ARRAY);
-
- glDeleteBuffers(1, &vbo_id);
+ p.drawLines(lines, line - lines);
}
QColor LogicSignal::get_colour() const
projects / pulseview.git / blobdiff