Function gdl::presets::text_shades

pub fn text_shades(background_img: &mut DynamicImage, main_text: &str)

Preset: Repeat the same text on each line, with each line changing in shade.

Arguments

• img - A mutable ref to a DynamicImage.
• main_text - Main heading for the graphic.
• width - u32 - Desired width of final graphic
• height - ù32 - Desired height of final graphic