Files
Nassi-Shneiderman-Diagramm-…/draw/code_to_image.py
2020-12-24 00:17:54 +01:00

114 lines
4.5 KiB
Python

import sys
from typing import Iterable
from PIL import Image, ImageDraw, ImageFont
datei_endung = ".png"
img = None
output_img = None
font = None
def NSD_init(x: float, y: float):
#get input_img
global img, output_img, font
#img = Image.open(input_dir + file_name + datei_endung)
img = Image.new("RGB", (x, y), "white")
output_img = ImageDraw.Draw(img)
#font = ImageFont.load_default()
font = ImageFont.truetype("res/fonts/SpaceGrotesk-Light.ttf", 12)
def draw_generic_instruction(instruction: str, x, y, xsize, ysize) -> Iterable[float]:
if not output_img:
raise Exception("Output image was not initialized! Make sure to call NSD_init first")
#size shit
#text_y_size = font.getsize(instruction, direction="ltr")[1]
#ysize = max(text_y_size, ysize) # ensure it is alway at least big enought to fit the text
#draw shit
output_img.rectangle((x,y) + (x + xsize, y + ysize), outline=(0), width=1)
#text shit
output_img.multiline_text((x + 5, y + ysize * .5), instruction, font=font, anchor="lm", align="right", fill=(0))
return x, y + ysize
def draw_if_statement(condition: str, x: int, y: int, xsize: int, ysize: int):
"""Draw an if statement into the NSD"""
if not output_img:
raise Exception("Output image was not initialized! Make sure to call NSD_init first")
output_img.line((x,y) + (x + xsize / 2, y + ysize / 4), fill=(0))
output_img.line((x + xsize, y) + (x + xsize / 2, y + ysize / 4), fill=(0))
output_img.rectangle((x, y + ysize / 4) + (x + xsize, y + ysize), outline=(0), width=1)
output_img.rectangle((x, y) + (x + xsize, y + ysize / 4), outline=(0), width=1)
output_img.line((x + xsize / 2, y + ysize / 4) + (x + xsize / 2, y + ysize), fill=(0))
# condition text
output_img.multiline_text((x + xsize / 2, y + ysize * .05 ), condition, fill=(0), font=font, anchor="mm", spacing=4, align='right')
# true / false
output_img.text((x + 5, y + ysize * .1875), "true", font = font, fill = (0), anchor="lm")
output_img.text((x + xsize - 5, y + ysize * .1875), "false", font = font, fill = (0), anchor="rm")
#first x,y,xsize,ysize of first box then of second first true and then false
return x, y + ysize / 4, xsize / 2, ysize * .75, x + xsize / 2, y + ysize / 4, xsize / 2, ysize * .75
def draw_while_loop_front(condition: str, x: int, y: int, xsize: int, ysize: int):
if not output_img:
raise Exception("Output image was not initialized! Make sure to call NSD_init first")
#ole #TODO
#the box
output_img.line((x,y) + (x + xsize, y), fill=(0))
output_img.line((x,y) + (x, y + ysize), fill=(0))
output_img.line((x + xsize * .1, y + ysize * .1) + (x + xsize, y + ysize * .1), fill=(0))
output_img.line((x + xsize, y) + (x + xsize, y + ysize * .1), fill=(0))
output_img.line((x, y + ysize) + (x + xsize * .1, y + ysize ), fill=(0))
output_img.line((x + xsize * .1, y + ysize) + (x + xsize * .1, y + ysize * .1), fill=(0))
#the text
output_img.text((x + xsize * .1, y + ysize * .025), condition, font = font, fill = (0), anchor="lm")
#the x, y offset then the x,y draw size (the canvas)
return x + xsize * .1, y + ysize * .1, xsize * .9, ysize * .9
def draw_while_loop_back(condition: str, x: int, y: int, xsize: int, ysize: int):
if not output_img:
raise Exception("Output image was not initialized! Make sure to call NSD_init first")
#ole #TODO
#the box
output_img.line((x,y) + (x + xsize * .1, y), fill=0)
output_img.line((x + xsize * .1, y) + (x + xsize * .1, y + ysize * .9), fill=0)
output_img.line((x + xsize * .1, y + ysize * .9) + (x + xsize, y + ysize * .9), fill=0)
output_img.line((x + xsize, y + ysize * .9) + (x + xsize, y + ysize), fill=0)
output_img.line((x,y + ysize) + (x + xsize, y + ysize), fill=0)
output_img.line((x,y) + (x, y + ysize), fill=0)
#the text
output_img.text((x + xsize * .1, y + ysize * .95), condition, font = font, fill = (0), anchor="lm")
#the x, y offset then the x,y draw size (the canvas)
return x + xsize * .1, y, xsize * .9, ysize * .9
def NSD_save(filename: str):
"""Save the created file"""
img.save(filename + datei_endung ,"PNG")
#x_offset , y_offset, x_size, y_size = draw_while_loop("lol", 0, 0, 100, 200)
if __name__ == "__main__":
"""Debugging :^)"""
NSD_init(300, 500)
#draw_if_statement("wenn das dann mach das", 0, 0, 100, 200)
#print(x,y,xsize,ysize)
#draw_generic_instruction(r"""Wolfgang.fuck("Nina")""", x, y, xsize, ysize)
NSD_save("testink")