def draw_lines(self, gc, x, y):
"""
x and y are equal length arrays, draw lines connecting each
point in x, y
"""
assert(len(x)==len(y))
# faster as a list comp
path = [(paint.MOVETO, x[0], self.height-y[0])]
path.extend( [ (paint.LINETO, x[i], self.height-y[i]) for i in range(1, len(x))])
path = self.dash_path(gc, paint.make_path(path))
self.image.stroke(path,
self.get_paint_color(gc.get_rgb()),
self.points_to_pixels(gc.get_linewidth()))
def draw_lines(self, gc, x, y):
"""
x and y are equal length arrays, draw lines connecting each
point in x, y
"""
assert (len(x) == len(y))
# faster as a list comp
path = [(paint.MOVETO, x[0], self.height - y[0])]
path.extend([(paint.LINETO, x[i], self.height - y[i])
for i in range(1, len(x))])
path = self.dash_path(gc, paint.make_path(path))
self.image.stroke(path, self.get_paint_color(gc.get_rgb()),
self.points_to_pixels(gc.get_linewidth()))
def draw_polygon(self, gcEdge, rgbFace, points):
"""
Draw a polygon. points is a len vertices tuple, each element
giving the x,y coords a vertex.
If rgbFace is not None, fill the rectangle with it. gcEdge
is a GraphicsContext instance
"""
x = [p[0] for p in points]
y = [p[1] for p in points]
path = [(paint.MOVETO, x[0], self.height - y[0])]
for i in range(len(x) - 1):
path.append((paint.LINETO, x[i + 1], self.height - y[i + 1]))
path.append((paint.LINETO, x[0], self.height - y[0]))
path = paint.make_path(path)
if rgbFace:
self.image.fill(path, self.get_paint_color(rgbFace))
self.image.stroke(path, self.get_paint_color(gcEdge.get_rgb()),
self.points_to_pixels(gcEdge.get_linewidth()))
def draw_polygon(self, gcEdge, rgbFace, points):
"""
Draw a polygon. points is a len vertices tuple, each element
giving the x,y coords a vertex.
If rgbFace is not None, fill the rectangle with it. gcEdge
is a GraphicsContext instance
"""
x = [p[0] for p in points]
y = [p[1] for p in points]
path = [(paint.MOVETO, x[0], self.height - y[0])]
for i in range(len(x)-1):
path.append((paint.LINETO, x[i+1], self.height - y[i+1]))
path.append((paint.LINETO, x[0], self.height - y[0]))
path = paint.make_path(path)
if rgbFace:
self.image.fill(path, self.get_paint_color(rgbFace))
self.image.stroke(path,
self.get_paint_color(gcEdge.get_rgb()),
self.points_to_pixels(gcEdge.get_linewidth()))
