* 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"
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::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;
samples_per_pixel, _probe_index);
// 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
class LogicSignal : public Signal
{
-private:
- struct Point2F
- {
- GLfloat x, y;
- };
-
private:
static const float Margin;
- static const float EdgeColour[3];
- static const float HighColour[3];
- static const float LowColour[3];
+ static const QColor EdgeColour;
+ static const QColor HighColour;
+ static const QColor LowColour;
static const QColor LogicSignalColours[10];
int probe_index);
/**
- * Paints the signal into a QGLWidget.
- * @param widget the QGLWidget to paint into.
+ * Paints the signal with a QPainter
+ * @param p the QPainter to paint into.
* @param rect the rectangular area to draw the trace into.
* @param scale the scale in seconds per pixel.
* @param offset the time to show at the left hand edge of
* the view in seconds.
**/
- void paint(QGLWidget &widget, const QRect &rect, double scale,
- double offset);
+ void paint(QPainter &p, const QRect &rect, double scale, double offset);
private:
- int paint_caps(Point2F *const cap_points,
+ int paint_caps(QPainter &p, QLineF *const lines,
std::vector< std::pair<int64_t, bool> > &edges,
bool level, double samples_per_pixel, double pixels_offset,
int x_offset, int y_offset);
- static void paint_lines(Point2F *points, int count);
-
/**
* Get the colour of the logic signal
*/
namespace view {
Viewport::Viewport(View &parent) :
- QGLWidget(&parent),
+ QWidget(&parent),
_view(parent)
{
setMouseTracking(true);
- setAutoFillBackground(false);
+ setAutoFillBackground(true);
+ setBackgroundRole(QPalette::Base);
}
int Viewport::get_total_height() const
return height;
}
-void Viewport::initializeGL()
-{
-}
-
-void Viewport::resizeGL(int width, int height)
-{
- setup_viewport(width, height);
-}
-
void Viewport::paintEvent(QPaintEvent *event)
{
- int offset;
-
const vector< shared_ptr<Signal> > &sigs =
_view.session().get_signals();
- // Prepare for OpenGL rendering
- makeCurrent();
- glMatrixMode(GL_MODELVIEW);
- glPushMatrix();
-
- setup_viewport(width(), height());
-
- qglClearColor(Qt::white);
- glClear(GL_COLOR_BUFFER_BIT);
+ QPainter p(this);
// Plot the signal
- glEnable(GL_SCISSOR_TEST);
- glScissor(0, 0, width(), height());
- offset = -_view.v_offset();
+ int offset = -_view.v_offset();
BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
{
assert(s);
const QRect signal_rect(0, offset,
width(), View::SignalHeight);
- s->paint(*this, signal_rect, _view.scale(), _view.offset());
+ s->paint(p, signal_rect, _view.scale(), _view.offset());
offset += View::SignalHeight;
}
- glDisable(GL_SCISSOR_TEST);
-
- // Prepare for QPainter rendering
- glMatrixMode(GL_MODELVIEW);
- glPopMatrix();
-
- QPainter painter(this);
- painter.end();
+ p.end();
}
void Viewport::mousePressEvent(QMouseEvent *event)
_view.zoom(event->delta() / 120, event->x());
}
-void Viewport::setup_viewport(int width, int height)
-{
- glViewport(0, 0, (GLint)width, (GLint)height);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glOrtho(0, width, height, 0, -1, 1);
- glMatrixMode(GL_MODELVIEW);
-}
-
} // namespace view
} // namespace pv