stumpy_gif
stumpy_gif
Interface
StumpyGIF.write(frames : Array(Canvas), path, delay_between_frames = 10)
saves a list of frames (canvasses) as a GIF image file,delay_between_frames
is in 1/100 of a secondCanvas
andRGBA
from stumpy_core
Usage
Writing
require "stumpy_gif"
include StumpyGIF
frames = [] of Canvas
(0..5).each do |z|
canvas = Canvas.new(256, 256)
(0..255).each do |x|
(0..255).each do |y|
color = RGBA.from_rgb_n([x, y, z * 51], 8)
canvas[x, y] = color
end
end
frames << canvas
end
StumpyGIF.write(frames, "rainbow.gif")
Left to right: Websafe, median split, NeuQuant
(See examples/
for more examples)
Color Quantization Methods
- Use Websafe colors
- Median Split
- NeuQuant