7 examples of 'how to draw a square in python' in Python

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46def square(mark, number):
47 "Draw white square with black outline and number."
48 up()
49 goto(mark.x, mark.y)
50 down()
51
52 color('black', 'white')
53 begin_fill()
54 for count in range(4):
55 forward(99)
56 left(90)
57 end_fill()
58
59 if number is None:
60 return
61 elif number < 10:
62 forward(20)
63
64 write(number, font=('Arial', 60, 'normal'))
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85def draw_textured_square(w=None, h=None):
86 """
87 Draws a texture square of 2 x 2 size centered at 0, 0
88
89 Make sure to call glEnable(GL_TEXTURE_RECTANGLE_ARB) first.
90
91 :param w: width of the image in pixels
92 :param h: height of the image in pixels
93 """
94 if w is None or h is None:
95 glBegin(GL_QUADS)
96 glTexCoord2f(0.0, 0.0)
97 glVertex2f(-1.0, -1.0) # Bottom Left Of The Texture and Quad
98 glTexCoord2f(1.0, 0.0)
99 glVertex2f(1.0, -1.0) # Bottom Right Of The Texture and Quad
100 glTexCoord2f(1.0, 1.0)
101 glVertex2f(1.0, 1.0) # Top Right Of The Texture and Quad
102 glTexCoord2f(0.0, 1.0)
103 glVertex2f(-1.0, 1.0) # Top Left Of The Texture and Quad
104 glEnd()
105 else:
106 glBegin(GL_QUADS)
107 glTexCoord2f(0.0, 0.0)
108 glVertex2f(-1.0, -1.0) # Bottom Left
109 glTexCoord2f(w, 0.0)
110 glVertex2f(1.0, -1.0) # Bottom Right
111 glTexCoord2f(w, h)
112 glVertex2f(1.0, 1.0) # Top Right
113 glTexCoord2f(0.0, h)
114 glVertex2f(-1.0, 1.0) # Top Left
115 glEnd()
51def square(x, y):
52 "Draw square using path at (x, y)."
53 path.up()
54 path.goto(x, y)
55 path.down()
56 path.begin_fill()
57
58 for count in range(4):
59 path.forward(20)
60 path.left(90)
61
62 path.end_fill()
63def drawSquare(self, x, y, fig, fclr):
64 axis = fig.gca()
65 axis.add_patch(patches.RegularPolygon((x, y), 4, self.radius, orientation=(np.pi/4), fc=fclr))
31def draw(self, screen):
32 # 棋盤底色
33 pygame.draw.rect(screen, (185, 122, 87),
34 [self.start_x - self.edge_size, self.start_y - self.edge_size,
35 (self.grid_count - 1) * self.grid_size + self.edge_size * 2,
36 (self.grid_count - 1) * self.grid_size + self.edge_size * 2], 0)
37
38 for r in range(self.grid_count):
39 y = self.start_y + r * self.grid_size
40 pygame.draw.line(screen, (0, 0, 0), [self.start_x, y],
41 [self.start_x + self.grid_size * (self.grid_count - 1), y], 2)
42
43 for c in range(self.grid_count):
44 x = self.start_x + c * self.grid_size
45 pygame.draw.line(screen, (0, 0, 0), [x, self.start_y],
46 [x, self.start_y + self.grid_size * (self.grid_count - 1)], 2)
47
48 for r in range(self.grid_count):
49 for c in range(self.grid_count):
50 piece = self.grid[r][c]
51 if piece != '.':
52 if piece == 'b':
53 color = (0, 0, 0)
54 else:
55 color = (255, 255, 255)
56
57 x = self.start_x + c * self.grid_size
58 y = self.start_y + r * self.grid_size
59 pygame.draw.circle(screen, color, [x, y], self.grid_size // 2)
460def draw_square(self,width,height,radius):
461 img = cairo.ImageSurface(cairo.FORMAT_ARGB32, width,height)
462 cr = cairo.Context(img)
463 m = radius/sqrt(2.0)
464
465 # Slightly darker border for the colour area
466 sw = max(0.75*self.stroke_width, 3.0)
467 cr.set_source_rgb(*NEUTRAL_DARK_GREY)
468 cr.rectangle(self.x0-m-sw, self.y0-m-sw, 2*(m+sw), 2*(m+sw))
469 cr.fill()
470
471 h,s,v = self.hsv
472 ds = 2*m*CSTEP
473 v = 0.0
474 x1 = self.x0-m
475 x2 = self.x0+m
476 y = self.y0-m
477 while v < 1.0:
478 g = cairo.LinearGradient(x1,y,x2,y)
479 g.add_color_stop_rgb(0.0, *hsv_to_rgb(h,0.0,1.0-v))
480 g.add_color_stop_rgb(1.0, *hsv_to_rgb(h,1.0,1.0-v))
481 cr.set_source(g)
482 cr.rectangle(x1,y, 2*m, ds)
483 cr.fill_preserve()
484 cr.stroke()
485 y += ds
486 v += CSTEP
487 h,s,v = self.hsv
488 x = self.x0-m + s*2*m
489 y = self.y0-m + (1-v)*2*m
490 cr.set_source_rgb(*hsv_to_rgb(1-h,1-s,1-v))
491 cr.arc(x,y, 3.0, 0.0, 2*pi)
492 cr.stroke()
493
494 return img
203def draw_squares(self):
204 self.fill_xs_ys()
205 #
206
207 text_background_buffer = int(self.square_size/6)
208 xs_size = len(self.xs)
209 ys_size = len(self.ys)
210 box_number = 0
211 colors_index = 0
212 font = ImageFont.truetype("arialbd.ttf", 15)
213 draw = ImageDraw.Draw(self.img, 'RGBA')
214
215 for ly in range(0, ys_size - 1):
216 for lx in range(0, xs_size - 1):
217 txt = str(box_number)
218 tw, th = draw.textsize(txt, font)
219 text_x = int((self.xs[lx] + self.xs[lx + 1] - tw)/2) + 1
220 text_y = int((self.ys[ly] + self.ys[ly + 1] - th)/2) - 1
221 draw.rectangle(
222 [
223 self.xs[lx] + text_background_buffer,
224 self.ys[ly] + text_background_buffer,
225 self.xs[lx + 1] - text_background_buffer,
226 self.ys[ly + 1] - text_background_buffer
227 ],
228 fill=self.colors[colors_index],
229 outline=False)
230
231 draw.text((text_x + 1, text_y + 1), txt, (0, 0, 0), font=font)
232 draw.text((text_x - 1, text_y + 1), txt, (0, 0, 0), font=font)
233 draw.text((text_x + 1, text_y - 1), txt, (0, 0, 0), font=font)
234 draw.text((text_x - 1, text_y - 1), txt, (0, 0, 0), font=font)
235 draw.text((text_x, text_y), txt, (255, 255, 255), font=font)
236 # index the position
237 self.position_index[len(self.position_index) - 1].append(
238 (int((self.xs[lx] + self.xs[lx + 1])/2),
239 int((self.ys[ly] + self.ys[ly + 1])/2)))
240
241 # update for next iteration
242 box_number += 1
243 if box_number == 100:
244 # next color
245 box_number = 0
246 colors_index += 1
247 colors_index %= len(self.colors) # cycle colors
248 self.position_index.append([])
249
250 del draw

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