def drawSmileSVGNode(svg, node, radius, offsetX=0, offsetY=0, color=None):
x = radius + offsetX
y = radius + offsetY
color = color or '#FFC10E'
svg.draw_node(node, draw_circle(x, y, radius, color=color))
x = radius * 0.67 + offsetX
y = radius * 0.66 + offsetY
r = radius * 0.16
svg.draw_node(node, draw_circle(x, y, r, color='#333333')) # left eye
x = 2 * radius - x + 2 * offsetX
svg.draw_node(node, draw_circle(x, y, r, color='#333333')) # right eye
startPt = [0.40 * radius + offsetX, 1.05 * radius + offsetY]
stopPt = [2 * radius - startPt[0] + 2 * offsetX, startPt[1]]
cp1 = [0.6 * radius + offsetX,
1.78 * radius + offsetY] # Bézier Curves control points
cp2 = [2 * radius - cp1[0] + 2 * offsetX,
cp1[1]] # Bézier Curves control points
path = 'M {} {} C {} {}, {} {}, {} {}'.format(startPt[0], startPt[1],
cp1[0], cp1[1], cp2[0],
cp2[1], stopPt[0], stopPt[1])
color = 'black'
lineWidth = 0.11 * radius
svg.draw_node(node, draw_path(path, stroke_width=lineWidth,
color=color)) # mouth
svg.draw_node(
node, draw_circle(startPt[0], startPt[1], lineWidth / 2, color=color))
svg.draw_node(
node, draw_circle(stopPt[0], stopPt[1], lineWidth / 2, color=color))
def drawPointsCircleFadeColor(svg, pts, r=2):
c = rainbow_colors(N=len(pts))
# print(c,type(c))
for i, pt in enumerate(pts):
x = clip_float(pt[0])
y = clip_float(pt[1])
color = c[i]
svg.draw(draw_circle(x, y, radius=r, color=color))
def drawRandomCirclePath(svg):
W, H = svg.get_size()
styles = ['circles', 'circle points', 'circle points random']
onlyPath = False
times = 100
r = 2
offsetX = W // 2
offsetY = H // 2
style = styles[1]
if style == styles[0]:
for _ in range(times):
r = r + random.random() * 8
ptX, ptY = getCirclePtsSVG(svg,
r=r,
N=200,
offsetX=offsetX,
offsetY=offsetY,
noise=False,
onlyPath=onlyPath)
drawOnePathcSVG(svg, ptX, ptY, onlyPath=onlyPath)
elif style == styles[1]:
times = 10
for _ in range(times):
r = r + random.random() * 18
ptX, ptY = getCirclePtsSVG(svg,
r=r,
N=20,
offsetX=offsetX,
offsetY=offsetY,
noise=False,
onlyPath=onlyPath)
ptNumber = int(5 * r)
# ptX = np.random.choice(ptX, ptNumber)
ptX = ptX.reshape((len(ptX), 1))
ptY = ptY.reshape((len(ptY), 1))
pts = np.concatenate((ptX, ptY), axis=1)
# print(ptX.shape, pts.shape)
ptsIndex = np.random.randint(len(pts), size=ptNumber)
# print('ptsIndex=', ptsIndex, len(pts))
pts = pts[ptsIndex, :]
for i in pts:
# print('i=', i)
# ra = 0.5
ra = np.random.random() * (3 - 0.2) + 0.2
ra = clip_float(ra)
x = clip_float(i[0])
y = clip_float(i[1])
svg.draw(draw_circle(x, y, radius=ra, color=random_color()))
def DrawCircleByPt(self, pt1, pt2, pt3, pt4, circle=True):
ptCenter = np.array([(pt1[0] + pt3[0]) / 2, (pt1[1] + pt3[1]) / 2])
r = abs(ptCenter[0] - pt1[0])
if circle:
rings = 4
r = random.choice(range(1, rings)) * r / rings
self.svg.draw(draw_circle(ptCenter[0], ptCenter[1], r))
else:
for i in draw_circleRings(ptCenter[0], ptCenter[1], r):
self.svg.draw(i)
def createCircle(svg, x, y, r, color=None):
id = 'circle_' + rand_str(4)
color = color or random_color()
circle = svg.draw(draw_circle(x, y, r, color=color))
svg.set_node(circle, 'id', id)
if 1: # rings
svg.set_node(circle, 'fill', 'none')
svg.set_node(circle, 'stroke-width', "2")
svg.set_node(circle, 'stroke', color)
return id, circle
def draw_circle_path_anim(svg, node, path, radius, color='red', duration=None):
circle = svg.draw_node(node, draw_circle(0, 0, radius=radius, color=color))
animate_dict = {}
if duration is None:
animate_dict['dur'] = '5s'
else:
animate_dict['dur'] = f'{duration}s'
animate_dict["repeatCount"] = "indefinite"
animate_dict["path"] = path
addNodeAnitmation(svg, circle, animate_dict, elementName='animateMotion')
def drawStep(self):
r = self.step / 2
for i in range(0, self.svgH, self.step):
for j in range(0, self.svgW, self.step):
x = i + 1 / 2 * self.step
y = j + 1 / 2 * self.step
roi = self.image[i:i + self.step, j:j + self.step]
# print(i,j,self.svgH,self.svgW,i+self.step,j+self.step)
color = color_fader(mix=np.mean(roi) / 255)
if 0:
self.svg.draw(draw_circle(y, x, r, color=color))
else:
self.svg.draw(
draw_rect(y, x, self.step, self.step, color=color))
def draw_basic_shapes(svg):
svg.draw(sb.draw_rect(x=3, y=3, width=20, height=20, stroke_width=1,
color='transparent', stroke_color='black'))
rt = svg.draw(sb.draw_rect(x=28, y=3, width=20, height=20, stroke_width=1,
color='transparent', stroke_color='red'))
svg.set_node(rt, 'rx', '2')
svg.set_node(rt, 'ry', '2')
svg.draw(sb.draw_circle(x=60, y=13, radius=10, color='green'))
svg.draw(sb.draw_ring(x=85, y=13, radius=8, stroke_color='red', stroke_width=3))
svg.draw(sb.draw_ellipse(cx=25, cy=35, rx=20, ry=8))
svg.draw(sb.draw_line(x=50, y=30, x2=90, y2=45, stroke_width=1, color='#23ff67'))
points = '8 50 18 70 28 50 38 70 48 50 58 70 68 50 78 70 88 50 98 70'
svg.draw(sb.draw_polyline(points, stroke_width=0.5, stroke_color=random_color()))
points = '8 75 25 75 30 95 5 95'
svg.draw(sb.draw_polygon(points, stroke_width=0.5, stroke_color=random_color()))
path = 'M 35 90 Q 55 60 98 90'
svg.draw(sb.draw_path(path, stroke_width=0.2, color=random_color()))
def drawPointsCircle(svg, pts=[], node=None, r=2, color='black'):
for pt in pts:
x = clip_float(pt[0])
y = clip_float(pt[1])
svg.draw_node(node, draw_circle(x, y, radius=r, color=color))
def anim9(svg):
"""moving ball bounce with a line"""
H, W = svg.get_size()
cx, cy = W // 2, H // 2
g = svg.draw(draw_tag('g'))
svg.set_node(g, 'opacity', '1.0')
wall_line = [2, -1.8, 1] # line parameters
pt = random_point(4, W - 5)
print(pt, type(pt))
vx = -2
vy = 1
res = get_math_bounce_parameter(wall_line, pt, vx, vy)
perpend_pt, reflect_pt, inter_pt, path_line, reflect_line = res
# draw_line_param(svg, g, a, b, 0, W)
pts = draw_line_param_abc(wall_line, 0, W, 0, H)
drawlinePoints(svg, pts, g, color='black')
svg.draw_node(g, draw_circle(pt[0], pt[1], 1, color='black'))
svg.draw_node(g, draw_circle(perpend_pt[0], perpend_pt[1], 1, color='red'))
svg.draw_node(g, draw_circle(reflect_pt[0], reflect_pt[1], 1, color='red'))
svg.draw_node(g, draw_circle(inter_pt[0], inter_pt[1], 1, color='black'))
svg.draw_node(
g,
draw_line(pt[0],
pt[1],
reflect_pt[0],
reflect_pt[1],
stroke_dasharray="2"))
svg.draw_node(
g,
draw_line(inter_pt[0],
inter_pt[1],
reflect_pt[0],
reflect_pt[1],
stroke_dasharray="2"))
if inter_pt is not None:
min_x = min(pt[0], inter_pt[0])
max_x = max(pt[0], inter_pt[0])
min_y = min(pt[1], inter_pt[1])
max_y = min(pt[1], inter_pt[1])
pts = draw_line_param_abc(path_line, min_x, max_x, min_y, max_y)
drawlinePoints(svg, pts, g, color='black')
coords = [pt, inter_pt]
if reflect_pt is not None:
min_x, max_x = 0, W
min_y, max_y = 0, H
far_pt = [0, 0]
if reflect_pt[0] < inter_pt[0]:
min_x = inter_pt[0]
far_pt[0] = max_x
far_pt[1] = get_line_ABC_y(reflect_line, far_pt[0])
else:
max_x = inter_pt[0]
far_pt[0] = min_x
far_pt[1] = get_line_ABC_y(reflect_line, far_pt[0])
pts = draw_line_param_abc(reflect_line, min_x, max_x, min_y, max_y)
drawlinePoints(svg, pts, g, color='black')
coords.append(far_pt)
coords = np.asarray(coords)
print('coords=', coords, coords.shape)
path = get_points_path(coords, False)
draw_circle_path_anim(svg,
g,
path,
radius=6,
duration=len(coords) * 1.0,
color='red')
def drawPointsCircle_colors(svg, pts, r, colors):
for i, pt in enumerate(pts):
x = clip_float(pt[0])
y = clip_float(pt[1])
svg.draw(draw_circle(x, y, radius=r, color=colors[i]))