Closed
Description
julia> versioninfo()
Julia Version 1.6.3
Commit ae8452a9e0 (2021-09-23 17:34 UTC)
Platform Info:
OS: macOS (x86_64-apple-darwin19.5.0)
CPU: Intel(R) Core(TM) i9-9880H CPU @ 2.30GHz
WORD_SIZE: 64
LIBM: libopenlibm
LLVM: libLLVM-11.0.1 (ORCJIT, skylake)
Environment:
JULIA_NUM_THREADS = 8
using ImageMagick_jll v6.9.12-0 (JuliaPackaging/Yggdrasil#3424):
julia> using ImageCore, ImageMagick
julia> img = Gray{N0f8}.(reshape(collect(0.0:0.01:0.49), 5, 10))
5×10 Array{Gray{N0f8},2} with eltype Gray{N0f8}:
Gray{N0f8}(0.0) Gray{N0f8}(0.051) Gray{N0f8}(0.102) Gray{N0f8}(0.149) Gray{N0f8}(0.2) Gray{N0f8}(0.251) Gray{N0f8}(0.298) Gray{N0f8}(0.349) Gray{N0f8}(0.4) Gray{N0f8}(0.451)
Gray{N0f8}(0.012) Gray{N0f8}(0.059) Gray{N0f8}(0.11) Gray{N0f8}(0.161) Gray{N0f8}(0.212) Gray{N0f8}(0.259) Gray{N0f8}(0.31) Gray{N0f8}(0.361) Gray{N0f8}(0.412) Gray{N0f8}(0.459)
Gray{N0f8}(0.02) Gray{N0f8}(0.071) Gray{N0f8}(0.122) Gray{N0f8}(0.169) Gray{N0f8}(0.22) Gray{N0f8}(0.271) Gray{N0f8}(0.322) Gray{N0f8}(0.369) Gray{N0f8}(0.42) Gray{N0f8}(0.471)
Gray{N0f8}(0.031) Gray{N0f8}(0.078) Gray{N0f8}(0.129) Gray{N0f8}(0.18) Gray{N0f8}(0.231) Gray{N0f8}(0.278) Gray{N0f8}(0.329) Gray{N0f8}(0.38) Gray{N0f8}(0.431) Gray{N0f8}(0.478)
Gray{N0f8}(0.039) Gray{N0f8}(0.09) Gray{N0f8}(0.141) Gray{N0f8}(0.188) Gray{N0f8}(0.239) Gray{N0f8}(0.29) Gray{N0f8}(0.341) Gray{N0f8}(0.388) Gray{N0f8}(0.439) Gray{N0f8}(0.49)
julia> ImageMagick.save("tmp.png", img)
julia> ImageMagick.load("tmp.png")
5×10 Array{Gray{N0f8},2} with eltype Gray{N0f8}:
Gray{N0f8}(0.0) Gray{N0f8}(0.051) Gray{N0f8}(0.122) Gray{N0f8}(0.129) Gray{N0f8}(0.2) Gray{N0f8}(0.259) Gray{N0f8}(0.298) Gray{N0f8}(0.349) Gray{N0f8}(0.38) Gray{N0f8}(0.439)
Gray{N0f8}(0.0) Gray{N0f8}(0.051) Gray{N0f8}(0.122) Gray{N0f8}(0.18) Gray{N0f8}(0.2) Gray{N0f8}(0.259) Gray{N0f8}(0.298) Gray{N0f8}(0.349) Gray{N0f8}(0.431) Gray{N0f8}(0.439)
Gray{N0f8}(0.0) Gray{N0f8}(0.078) Gray{N0f8}(0.122) Gray{N0f8}(0.18) Gray{N0f8}(0.22) Gray{N0f8}(0.259) Gray{N0f8}(0.322) Gray{N0f8}(0.349) Gray{N0f8}(0.431) Gray{N0f8}(0.49)
Gray{N0f8}(0.051) Gray{N0f8}(0.078) Gray{N0f8}(0.129) Gray{N0f8}(0.18) Gray{N0f8}(0.22) Gray{N0f8}(0.259) Gray{N0f8}(0.322) Gray{N0f8}(0.38) Gray{N0f8}(0.431) Gray{N0f8}(0.49)
Gray{N0f8}(0.051) Gray{N0f8}(0.122) Gray{N0f8}(0.129) Gray{N0f8}(0.2) Gray{N0f8}(0.22) Gray{N0f8}(0.298) Gray{N0f8}(0.322) Gray{N0f8}(0.38) Gray{N0f8}(0.439) Gray{N0f8}(0.49)
julia> ImageMagick.load("tmp.png") == img
false
julia> using PNGFiles # v0.3.9
julia> img == open("tmp.png") do io
PNGFiles.load(io)
end
true
If reverted to [email protected]+3
, it is:
julia> img = Gray{N0f8}.(reshape(collect(0.0:0.01:0.49), 5, 10));
julia> ImageMagick.save("tmp.png", img)
julia> ImageMagick.load("tmp.png") == img
true
cc: @staticfloat @timholy