def draw_mesh(self, canvas):
"""
Divide figure and it's air-rectangles by right triangles
"""
M = self.mesh
scale = self.generate_scaler()
form = self.mesh.data["form"]
# Draw air surroundings
canvas.setPen(self.COL_AIR)
if M.NAT != 0:
self.draw_rect_mesh(canvas, 0, 0, M.NAL + M.NFX + M.NAR, M.NAT)
if M.NAB != 0:
self.draw_rect_mesh(canvas, 0, M.NAT + M.NFY,
M.NAL + M.NFX + M.NAR, M.NAB)
if M.NAL != 0:
self.draw_rect_mesh(canvas, 0, M.NAT, M.NAL, M.NFY)
if M.NAR != 0:
self.draw_rect_mesh(canvas, M.NAL + M.NFX, M.NAT, M.NAR, M.NFY)
# Draw contour of mirrored air part
most_left_x, most_left_y = scale(self.vertexes[0])
most_right_x, most_right_y = scale(self.vertexes[1])
third_x, third_y = scale(self.vertexes[2])
if form == 0:
canvas.drawLine(most_left_x, most_left_y, most_right_x,
most_left_y)
canvas.drawLine(most_right_x, most_right_y, most_right_x,
most_left_y)
elif form == 1:
canvas.drawLine(most_left_x, most_right_y, most_right_x,
most_right_y)
canvas.drawLine(most_left_x, most_right_y, most_left_x,
most_left_y)
elif form == 2:
canvas.drawLine(most_left_x, third_y, most_right_x, third_y)
canvas.drawLine(most_right_x, most_right_y, most_right_x, third_y)
elif form == 3:
canvas.drawLine(most_left_x, third_y, most_right_x, third_y)
canvas.drawLine(most_left_x, most_left_y, most_left_x, third_y)
# Draw the figure and complete it to rectangle with air
canvas.setPen(self.COL_FIG)
self.draw_figure_mesh(canvas, form)
# Fill the figure
the_figure = QPolygon()
for vertex in self.vertexes:
x, y = scale(vertex)
the_figure.append(QPoint(x, y))
the_figure.append(the_figure.first()) # close the polygon
canvas.setPen(self.COL_FIG)
canvas.setBrush(QBrush(self.COL_FIG_INNNER)) # drawPolygon() use it
canvas.drawPolygon(the_figure)
def draw_mesh(self, canvas):
"""
Divide figure and it's air-rectangles by right triangles
"""
M = self.mesh
scale = self.generate_scaler()
form = self.mesh.data["form"]
# Draw air surroundings
canvas.setPen(self.COL_AIR)
if M.NAT != 0:
self.draw_rect_mesh(canvas, 0, 0, M.NAL + M.NFX + M.NAR, M.NAT)
if M.NAB != 0:
self.draw_rect_mesh(canvas, 0, M.NAT + M.NFY, M.NAL + M.NFX + M.NAR, M.NAB)
if M.NAL != 0:
self.draw_rect_mesh(canvas, 0, M.NAT, M.NAL, M.NFY)
if M.NAR != 0:
self.draw_rect_mesh(canvas, M.NAL + M.NFX, M.NAT, M.NAR, M.NFY)
# Draw contour of mirrored air part
most_left_x, most_left_y = scale(self.vertexes[0])
most_right_x, most_right_y = scale(self.vertexes[1])
third_x, third_y = scale(self.vertexes[2])
if form == 0:
canvas.drawLine(most_left_x, most_left_y, most_right_x, most_left_y)
canvas.drawLine(most_right_x, most_right_y, most_right_x, most_left_y)
elif form == 1:
canvas.drawLine(most_left_x, most_right_y, most_right_x, most_right_y)
canvas.drawLine(most_left_x, most_right_y, most_left_x, most_left_y)
elif form == 2:
canvas.drawLine(most_left_x, third_y, most_right_x, third_y)
canvas.drawLine(most_right_x, most_right_y, most_right_x, third_y)
elif form == 3:
canvas.drawLine(most_left_x, third_y, most_right_x, third_y)
canvas.drawLine(most_left_x, most_left_y, most_left_x, third_y)
# Draw the figure and complete it to rectangle with air
canvas.setPen(self.COL_FIG)
self.draw_figure_mesh(canvas, form)
# Fill the figure
the_figure = QPolygon()
for vertex in self.vertexes:
x, y = scale(vertex)
the_figure.append(QPoint(x, y))
the_figure.append(the_figure.first()) # close the polygon
canvas.setPen(self.COL_FIG)
canvas.setBrush(QBrush(self.COL_FIG_INNNER)) # drawPolygon() use it
canvas.drawPolygon(the_figure)
