from flask import current_app as app from PIL import Image, ImageColor, ImageDraw, ImageFont from utility.tools import get_setting BLACK = ImageColor.getrgb("black") WHITE = ImageColor.getrgb("white") # def draw_rotated_text(canvas: Image, text: str, font: ImageFont, xy: tuple, fill: ImageColor=BLACK, angle: int=-90): def draw_rotated_text(canvas, text, font, xy, fill=BLACK, angle=-90): # type: (Image, str, ImageFont, tuple, ImageColor, int) """Utility function draw rotated text""" tmp_img = Image.new("RGBA", font.getsize(text), color=(0, 0, 0, 0)) draw_text = ImageDraw.Draw(tmp_img) draw_text.text(text=text, xy=(0, 0), font=font, fill=fill) tmp_img2 = tmp_img.rotate(angle, expand=1) tmp_img2.save("/{0}/{1}.png".format(get_setting(app, 'TEMPDIR'), text), format="png") canvas.paste(im=tmp_img2, box=tuple([int(i) for i in xy])) # def draw_open_polygon(canvas: Image, xy: tuple, fill: ImageColor=WHITE, outline: ImageColor=BLACK): def draw_open_polygon(canvas, xy, fill=None, outline=BLACK, width=0): # type: (Image, tuple, ImageColor, ImageColor) draw_ctx = ImageDraw.Draw(canvas) draw_ctx.polygon(xy, fill=fill) draw_ctx.line(xy, fill=outline, width=width)