def __init__(self, text, font, max_width):
self.text = text
self.text_lines = [
' '.join([w.strip() for w in l.split(' ') if w])
for l in text.split('\n') if l
]
self.font = font
self.max_width = max_width
self.draw = ImageDraw.Draw(Image.new(mode='RGB', size=(100, 100)))
self.space_width = self.draw.textsize(text=' ', font=self.font)[0]
def _create_image_for_pair(rows, model_m, pair):
length = len(rows)
if length > 10:
return
w, h = 480, 480
distance = 30
interval = int((w - distance) / (length + 3)) # Интервал между стрелок
if abs(float(rows[0][1])) > abs(float(rows[length - 1][1])):
max = float(rows[0][1])
else:
max = float(rows[length - 1][1])
min_value = str(round(rows[-1][1], 2))
h_scale = h - 80 # ДЛя графиков чтобы оставить место подписи
for row in rows:
if (max < 0 and float(row[1]) > 0):
row[1] = int((float(row[1])) * (h_scale / 2 - 10) / max * (-1))
elif (max < 0 and float(row[1]) < 0):
row[1] = int((float(row[1])) * (h_scale / 2 - 10) / max * (-1))
else:
row[1] = int((float(row[1])) * (h_scale / 2 - 10) / max)
im = Image.new('RGB', (w, h), (195, 197, 200))
na = np.array(im)
h_begin = int(h_scale / 2)
# Оси
na = cv2.arrowedLine(na, (3, h_begin), (w - 5, h_begin), (0, 0, 0), 4)
na = cv2.arrowedLine(na, (distance, h - 50), (distance, 5), (0, 0, 0), 4)
h_end = int(h_scale / 2 - (rows[-1][1]))
na = cv2.line(na, (15, h_end), (45, h_end), (0, 0, 0), 4)
distance += interval * 2
for row in rows:
h_end = int(h_scale / 2 - (row[1]))
na = cv2.arrowedLine(na, (distance, h_begin), (distance, h_end),
(0, 0, 0), 4)
distance += interval
path = f'{MEDIA_ROOT}/files/models/{str(model_m.model.id)}/original_snod/modification/{str(model_m.id)}/images/{str(pair.id)}.png'
Image.fromarray(na).save(path)
# Делаем подписи
img = Image.open(path)
idraw = ImageDraw.Draw(img)
path_font = f'{MEDIA_ROOT}/fonts/9041.ttf'
font = ImageFont.truetype(path_font, size=18)
distance = 30
distance += interval * 2
for row in rows:
text = str((row[0]) + 1)
if float(row[1]) > 0:
idraw.text((distance, int(h_scale / 2 + 50)),
text,
font=font,
fill='#000000')
elif float(row[1]) == 0:
idraw.ellipse(
[distance - 10, h_begin - 10, distance + 10, h_begin + 10],
fill='#000000')
idraw.text((distance, int(h_scale / 2 - 50)),
text,
font=font,
fill='#000000')
else:
idraw.text((distance, int(h_scale / 2 - 50)),
text,
font=font,
fill='#000000')
distance += interval
text = pair.option_1.name
length = len(text) * 9
idraw.text((w - 15 - length, h - 40),
pair.option_2.name,
font=font,
fill='#000000')
idraw.text((15, h - 40), text, font=font, fill='#000000')
idraw.text((w - 45, h / 2), 'Ox', font=font, fill='#000000')
idraw.text((60, 15), 'Oy', font=font, fill='#000000')
# Подписываем риски
h_end = int(h_scale / 2 - (rows[-1][1]))
idraw.text((45, h_end), min_value, font=font, fill='#000000')
img.save(path)