System Colors

import pandas as pd

from lets_plot import *

from common import docs_dark_theme

LetsPlot.setup_html()

def get_system_color_plot(*, kind: str):
    w, h = 400, 300
    th, lh = 50, 75
    width = w
    height = h + th + lh
    df = pd.read_csv("https://raw.githubusercontent.com/JetBrains/lets-plot-docs/master/data/mpg.csv")
    title_color = 'pen' if kind == 'paper' else 'paper'
    title_label_size = None if kind == 'paper' else 0
    p_title = ggplot() + \
        geom_label(x=0, label=kind, \
                   size=10, label_size=title_label_size, color=title_color, fill=kind, family='mono') + \
        theme_void()
    if kind == 'pen':
        label = 'A hight-contrast color\ncommonly used to draw dots and lines'
        p_example = ggplot(df, aes("cty", "hwy")) + geom_point()
    elif kind == 'brush':
        label = 'A color we often use to fill shapes'
        p_example = ggplot(df, aes("fl")) + geom_bar()
    elif kind == 'paper':
        label = 'A "background" color\nwe often use to fill shapes as well'
        p_example = ggplot(df, aes("drv", "cty")) + geom_boxplot()
    p_label = ggplot() + \
        geom_text(x=0, label=label, size=10) + \
        theme_void()
    return ggbunch(
        [p_title, p_label, p_example],
        [(0, 0, w / width, th / height),
         (0, th / height, w / width, lh / height),
         (0, (th + lh) / height, w / width, h / height)]
    ) + ggsize(width, height)

pen_plot = get_system_color_plot(kind='pen')
ggsave(pen_plot, "aesthetics_color_pen.png")
brush_plot = get_system_color_plot(kind='brush')
ggsave(brush_plot, "aesthetics_color_brush.png")
paper_plot = get_system_color_plot(kind='paper')
ggsave(paper_plot, "aesthetics_color_paper.png")
gggrid([pen_plot, brush_plot, paper_plot]) + ggsize(1200, 500)

pen_plot_dark = get_system_color_plot(kind='pen') + docs_dark_theme()
ggsave(pen_plot_dark, "aesthetics_color_pen_dark.png")
brush_plot_dark = get_system_color_plot(kind='brush') + docs_dark_theme()
ggsave(brush_plot_dark, "aesthetics_color_brush_dark.png")
paper_plot_dark = get_system_color_plot(kind='paper') + docs_dark_theme()
ggsave(paper_plot_dark, "aesthetics_color_paper_dark.png")
gggrid([pen_plot_dark, brush_plot_dark, paper_plot_dark]) + ggsize(1200, 500)