def on_draw(self):
# Clear buffers and reset transforms
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
gl.glLoadIdentity()
self.plot.draw()
gl.glFlush()
def draw(self, status_text):
gl.glPolygonMode(gl.GL_FRONT_AND_BACK, gl.GL_FILL)
# Clear transforms
gl.glLoadIdentity()
# Update status label
if status_text is not None:
self.lbl_status.text = status_text
self.lbl_status.draw()
# Update FPS label
py_fps = pyglet.app.clock.get_fps()
self.lbl_fps.text = '[{0:3.3f}fps]'.format(py_fps)
self.lbl_fps.draw()
def on_resize(self, width, height):
self.plot.cfg.window_width = width
self.plot.cfg.window_height = height
gl.glViewport(0, 0, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
#gluPerspective(70, 1.0 * width/height, 0.1, 1000.0)
gl.glOrtho(0, width, 0, height, -1000, 1000)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
self.plot.status.set_width(width)
return True
def _draw_axis(self):
gl.glPushMatrix()
# Scale to fit window
self.cfg._update_scaling()
width = int(self.cfg.plot_width)
height = int(self.cfg.plot_height)
log.debug('Drawing axis; width=%d, height=%d', width, height)
gl.glPolygonMode(gl.GL_FRONT_AND_BACK, gl.GL_LINE)
gl.glColor4f(1.0, 1.0, 1.0, 1.0)
gl.glBegin(gl.GL_LINES)
gl.glVertex3i(0, 0, 0)
gl.glVertex3i(width, 0, 0)
gl.glVertex3i(0, 0, 0)
gl.glVertex3i(0, height, 0)
gl.glEnd()
for (_lbl, pos) in self.plot_data[self.plot_idx].x_axis_markers:
gl.glBegin(gl.GL_LINES)
gl.glVertex3i(int(pos), 0, 0)
gl.glVertex3i(int(pos), -1, 0)
gl.glEnd()
log.debug('Drawing x-axis marker at %d', int(pos))
if _lbl is not None:
gl.glPushMatrix()
gl.glLoadIdentity()
pyglet.text.Label(str(_lbl), font_name='Arial', font_size=8, x=pos, y=-0.5).draw()
gl.glPopMatrix()
for (_lbl, pos) in self.plot_data[self.plot_idx].y_axis_markers:
gl.glBegin(gl.GL_LINES)
gl.glVertex3i(0, int(pos), 0)
gl.glVertex3i(-1, int(pos), 0)
gl.glEnd()
log.debug('Drawing y-axis marker at %d', int(pos))
gl.glPopMatrix()
