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em-deltaxp/tmp-75QDpmeAU5.py

Created September 9, 2024 08:59
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  1. em-deltaxp created this gist Sep 9, 2024.
    50 changes: 50 additions & 0 deletions tmp-75QDpmeAU5.py
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    Original file line number Diff line number Diff line change
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    #!/usr/bin/env python3
    # tmp-75QDpmeAU5.py -- [Pythonista v3.4 (iOS)]

    import sys
    import ui

    SIDE_LENGTH=10
    STEP_COUNT=4
    COLOR_COMPONENT_LIMIT=256

    def gen_colors(start: int, end: int, step: int) -> list[str]:
    def _r() -> range:
    #print(f'{start} {end} {step}')
    return range(start, end, step)
    rgb=[(r,g,b) for r in _r() for g in _r() for b in _r()]
    rgb24=map(lambda x: (x[0]<<16)+(x[1]<<8)+x[2], rgb)
    rgb24s=list(map(lambda x: str.format('#{0:06x}',x),rgb24))
    return rgb24s

    def make_img_colors(length: int, count: int, colors: list[str]) -> ui.Image:
    t=length*count*count
    with ui.ImageContext(t,t) as ctx:
    s=''
    for i in range(0,len(colors),1):
    ui.set_color(colors[i])
    ui.fill_rect((i*length)%t,((i*length)//t)*length*count,length,length*count)
    eol="\n" if (i+1)%(count*count)==0 else ""
    s=f'{s} {colors[i]}{eol}'
    img=ctx.get_image()
    print(f"\n\n{s[:-1]}")
    return img

    def make_img_colors_lower(length: int, count: int) -> ui.Image:
    colors=gen_colors(0,COLOR_COMPONENT_LIMIT,COLOR_COMPONENT_LIMIT//count)
    return make_img_colors(length,count,colors)

    def make_img_colors_upper(length: int, count: int) -> ui.Image:
    colors=gen_colors(COLOR_COMPONENT_LIMIT-1,-1,(COLOR_COMPONENT_LIMIT//count)*-1)
    return make_img_colors(length,count,colors)

    def main(args: list[str]) -> int:
    img_lower=make_img_colors_lower(SIDE_LENGTH,STEP_COUNT)
    img_lower.show()
    img_upper=make_img_colors_upper(SIDE_LENGTH,STEP_COUNT)
    img_upper.show()
    return 0

    if __name__ == "__main__":
    r = main(sys.argv)
    sys.exit(r)