Created
September 9, 2024 08:59
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some color swatches
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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) |
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