module StumpyPNG

Included Modules

• StumpyCore

Defined in:

stumpy_png.cr
stumpy_png/chunk.cr
stumpy_png/datastream.cr
stumpy_png/filters.cr
stumpy_png/png.cr
stumpy_png/scanline.cr
stumpy_png/utils.cr

Constant Summary

HEADER = 9894494448401390090_u64

WRITE_BIT_DEPTHS = {8, 16}

WRITE_COLOR_TYPES = {:rgb => 2_u8, :rgb_alpha => 6_u8, :grayscale => 0_u8, :grayscale_alpha => 4_u8}

Class Method Summary

• .read(path : String)
• .read(io : IO)
• .write(canvas, path : String, **options)
• .write(canvas, io : IO, **options)

Class Method Detail