Pillowで遊ぶ
Pillow で遊ぶ
平行線
黒い背景に白い平行線を引くだけ。
#!/usr/bin/python3 # -*- coding: utf-8 -*- import sys from PIL import Image, ImageDraw def main(): wh = (640, 480) rgba = (0, 0, 0, 255) canvas = Image.new('RGBA', wh, rgba) draw = ImageDraw.Draw(canvas) y = wh[1]//2 for x in range(0, wh[0]): draw.point((x, y), fill=(255, 255, 255)) canvas.show() canvas.save('/tmp/tmp.png', 'PNG') sys.exit(0) if __name__ == '__main__': main()
横たわる縞模様の円柱
#!/usr/bin/python3 # -*- coding: utf-8 -*- import sys from math import * from PIL import Image, ImageDraw def f(draw, frame, x, y): a = 64 b = 4 r = int(cos(y/a) * cos(frame/b) * 255) g = int(cos(y/(a-1)) * cos(frame/(b-1)) * 255) b = int(cos(y/(a-2)) * cos(frame/(b-2)) * 255) draw.point((x, y), fill=(r, g, b)) def main(): wh = (640, 480) rgba = (0, 0, 0, 255) canvas = Image.new('RGBA', wh, rgba) draw = ImageDraw.Draw(canvas) frame = 0 for y in range(0, wh[1]): for x in range(0, wh[0]): frame += 1 f(draw, frame, x, y) canvas.show() canvas.save('/tmp/tmp.png', 'PNG') sys.exit(0) if __name__ == '__main__': main()
グラデーション・タイル
#!/usr/bin/python3 # -*- coding: utf-8 -*- import sys from math import * from PIL import Image, ImageDraw def f(draw, frame, x, y): r = int(abs(1.0 - pow(abs(x), 0.5))) * 10 g = int(abs(1.0 - pow(abs(y), 0.502))) * 10 b = 0 draw.point((x, y), fill=(r, g, b)) def main(): wh = (640, 480) rgba = (0, 0, 0, 255) canvas = Image.new('RGBA', wh, rgba) draw = ImageDraw.Draw(canvas) frame = 0 for y in range(0, wh[1]): for x in range(0, wh[0]): frame += 1 f(draw, frame, x, y) canvas.show() canvas.save('/tmp/tmp.png', 'PNG') sys.exit(0) if __name__ == '__main__': main()