#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import sys

from PIL import Image, ImageChops, ImageDraw, ImagePalette
if sys.platform == "linux" or sys.platform == "linux2":
    from Xlib import display, X
    # take screen images, that's not the best way, so here
    # we use directly use xlib to take the screenshot.
    class ImageGrab():
        def grab():
            dsp = display.Display()
            root = dsp.screen().root
            geom = root.get_geometry()
            w = geom.width
            h = geom.height
            raw = root.get_image(0, 0, w ,h, X.ZPixmap, 0xffffffff)
            image = Image.frombytes("RGB", (w, h), raw.data, "raw", "BGRX")
            return image

elif sys.platform == "darwin":
    import Quartz.CoreGraphics as CG
    class ImageGrab():
        def grab():
            screenshot = CG.CGWindowListCreateImage(CG.CGRectInfinite, CG.kCGWindowListOptionOnScreenOnly, CG.kCGNullWindowID, CG.kCGWindowImageDefault)
            width = CG.CGImageGetWidth(screenshot)
            height = CG.CGImageGetHeight(screenshot)
            bytesperrow = CG.CGImageGetBytesPerRow(screenshot)

            pixeldata = CG.CGDataProviderCopyData(CG.CGImageGetDataProvider(screenshot))

            i = Image.frombytes("RGBA", (width, height), pixeldata)
            (b, g, r, x) = i.split()
            i = Image.merge("RGBX", (r, g, b, x))

            return i

else:
    from PIL import ImageGrab



thickarrow_strings = (            #sized 24x24
      "XX                      ",
      "XXX                     ",
      "XXXX                    ",
      "XX.XX                   ",
      "XX..XX                  ",
      "XX...XX                 ",
      "XX....XX                ",
      "XX.....XX               ",
      "XX......XX              ",
      "XX.......XX             ",
      "XX........XX            ",
      "XX........XXX           ",
      "XX......XXXXX           ",
      "XX.XXX..XX              ",
      "XXXX XX..XX             ",
      "XX   XX..XX             ",
      "     XX..XX             ",
      "      XX..XX            ",
      "      XX..XX            ",
      "       XXXX             ",
      "       XX               ",
      "                        ",
      "                        ",
      "                        ")


buf = ""
for x in thickarrow_strings:
    buf += x

i = Image.frombytes("I", (24,24), str.encode(buf))
print(i)
i.show()