Table of Contents
StumpyPNG
Crystal library for reading and writing png files, with support for Adam7 interlacing and all kinds of color types.
Source code on Github: stumpycr/stumpy_png
include StumpyPNG canvas = Canvas.new(256, 256) (0...255).each do |x| (0...255).each do |y| # RGBA.from_rgb_n(values, bit_depth) is an internal helper method # that creates an RGBA object from a rgb triplet with a given bit depth color = RGBA.from_rgb_n(x, y, 255, 8) canvas[x, y] = color end end StumpyPNG.write(canvas, "rainbow.png")
StumpyGIF
Crystal library for creating (animated) gif files.
Source code on Github: stumpycr/stumpy_gif
