init
This commit is contained in:
Alexander Bass
commit
b8bf240101
2
.gitignore
vendored
Normal file
2
.gitignore
vendored
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@ -0,0 +1,2 @@
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/target
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|
test.jpg
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224
Cargo.lock
generated
Normal file
224
Cargo.lock
generated
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@ -0,0 +1,224 @@
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||||||
|
# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 3
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||||||
|
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||||||
|
[[package]]
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||||||
|
name = "ASCIIfryer"
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|
version = "0.1.0"
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|
dependencies = [
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"argh",
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|
"image",
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]
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[[package]]
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|
name = "adler"
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|
version = "1.0.2"
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|
source = "registry+https://github.com/rust-lang/crates.io-index"
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|
checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
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||||||
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[[package]]
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|
name = "argh"
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version = "0.1.10"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ab257697eb9496bf75526f0217b5ed64636a9cfafa78b8365c71bd283fcef93e"
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dependencies = [
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"argh_derive",
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"argh_shared",
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]
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[[package]]
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name = "argh_derive"
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version = "0.1.10"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b382dbd3288e053331f03399e1db106c9fb0d8562ad62cb04859ae926f324fa6"
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dependencies = [
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"argh_shared",
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "argh_shared"
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version = "0.1.10"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "64cb94155d965e3d37ffbbe7cc5b82c3dd79dd33bd48e536f73d2cfb8d85506f"
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[[package]]
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name = "autocfg"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
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[[package]]
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name = "bitflags"
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version = "1.3.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
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[[package]]
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name = "bytemuck"
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version = "1.13.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "17febce684fd15d89027105661fec94afb475cb995fbc59d2865198446ba2eea"
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[[package]]
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name = "byteorder"
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version = "1.4.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
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[[package]]
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name = "cfg-if"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
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[[package]]
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name = "color_quant"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3d7b894f5411737b7867f4827955924d7c254fc9f4d91a6aad6b097804b1018b"
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[[package]]
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name = "crc32fast"
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version = "1.3.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b540bd8bc810d3885c6ea91e2018302f68baba2129ab3e88f32389ee9370880d"
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dependencies = [
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"cfg-if",
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]
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[[package]]
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name = "fdeflate"
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version = "0.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d329bdeac514ee06249dabc27877490f17f5d371ec693360768b838e19f3ae10"
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|
dependencies = [
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|
"simd-adler32",
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]
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[[package]]
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name = "flate2"
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version = "1.0.26"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3b9429470923de8e8cbd4d2dc513535400b4b3fef0319fb5c4e1f520a7bef743"
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dependencies = [
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"crc32fast",
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"miniz_oxide",
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]
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[[package]]
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name = "image"
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version = "0.24.6"
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|
source = "registry+https://github.com/rust-lang/crates.io-index"
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|
checksum = "527909aa81e20ac3a44803521443a765550f09b5130c2c2fa1ea59c2f8f50a3a"
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|
dependencies = [
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|
"bytemuck",
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|
"byteorder",
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"color_quant",
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"jpeg-decoder",
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|
"num-rational",
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|
"num-traits",
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"png",
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]
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[[package]]
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name = "jpeg-decoder"
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version = "0.3.0"
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|
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bc0000e42512c92e31c2252315bda326620a4e034105e900c98ec492fa077b3e"
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|
[[package]]
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|
name = "miniz_oxide"
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|
version = "0.7.1"
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|
source = "registry+https://github.com/rust-lang/crates.io-index"
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|
checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
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|
dependencies = [
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|
"adler",
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|
"simd-adler32",
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]
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[[package]]
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name = "num-integer"
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|
version = "0.1.45"
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|
source = "registry+https://github.com/rust-lang/crates.io-index"
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|
checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
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|
dependencies = [
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|
"autocfg",
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"num-traits",
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]
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[[package]]
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name = "num-rational"
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version = "0.4.1"
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|
source = "registry+https://github.com/rust-lang/crates.io-index"
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|
checksum = "0638a1c9d0a3c0914158145bc76cff373a75a627e6ecbfb71cbe6f453a5a19b0"
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dependencies = [
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"autocfg",
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"num-integer",
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"num-traits",
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]
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[[package]]
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name = "num-traits"
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version = "0.2.15"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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|
checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
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|
dependencies = [
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"autocfg",
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]
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[[package]]
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name = "png"
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version = "0.17.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "aaeebc51f9e7d2c150d3f3bfeb667f2aa985db5ef1e3d212847bdedb488beeaa"
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|
dependencies = [
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"bitflags",
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"crc32fast",
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"fdeflate",
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"flate2",
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"miniz_oxide",
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]
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[[package]]
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name = "proc-macro2"
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version = "1.0.58"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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|
checksum = "fa1fb82fc0c281dd9671101b66b771ebbe1eaf967b96ac8740dcba4b70005ca8"
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||||||
|
dependencies = [
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"unicode-ident",
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]
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[[package]]
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name = "quote"
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version = "1.0.27"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
|
checksum = "8f4f29d145265ec1c483c7c654450edde0bfe043d3938d6972630663356d9500"
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||||||
|
dependencies = [
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||||||
|
"proc-macro2",
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]
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||||||
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[[package]]
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||||||
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name = "simd-adler32"
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||||||
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version = "0.3.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
|
checksum = "238abfbb77c1915110ad968465608b68e869e0772622c9656714e73e5a1a522f"
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||||||
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[[package]]
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|
name = "syn"
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version = "1.0.109"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
|
checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
|
||||||
|
dependencies = [
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||||||
|
"proc-macro2",
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||||||
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"quote",
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"unicode-ident",
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]
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[[package]]
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name = "unicode-ident"
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version = "1.0.9"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
|
checksum = "b15811caf2415fb889178633e7724bad2509101cde276048e013b9def5e51fa0"
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||||||
24
Cargo.toml
Normal file
24
Cargo.toml
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@ -0,0 +1,24 @@
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||||||
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[package]
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name = "ASCIIfryer"
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version = "0.1.0"
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edition = "2021"
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||||||
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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|
argh = "0.1.10"
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image = { version = "0.24.6", default-features = false, features = [
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"jpeg",
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"png",
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"bmp",
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|
] }
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|
[profile.dev]
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lto = true
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opt-level = 1
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|
[profile.release]
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lto = true
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|
[profile.dev.package."*"]
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opt-level = 3
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98
src/main.rs
Normal file
98
src/main.rs
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#![allow(non_snake_case)]
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use argh::FromArgs;
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use image::{self, imageops, Rgb};
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|
use std::fs;
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use std::io::{self, BufRead, BufReader, Read};
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|
#[derive(FromArgs)]
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/// Convert images to ascii.
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/// works with Jpeg, PNG, and BMP formats
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|
struct ASCIIfryer {
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|
/// width in columns of output ASCII
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#[argh(option, short = 'w', default = "40")]
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|
width: u32,
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|
/// height in rows of output ASCII
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|
#[argh(option, short = 'h', default = "40")]
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height: u32,
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/// palette of ASCII characters to render image with
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|
#[argh(option, short = 'p', default = "String::from(\".,-+=oO0#\")")]
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|
palette: String,
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/// read image from standard input
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||||||
|
#[argh(switch, short = 's')]
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|
stdin: bool,
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||||||
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/// input file path (jpeg/png/bmp)
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||||||
|
#[argh(positional)]
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input: Option<String>,
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|
}
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||||||
|
struct Charset {
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|
characters: String,
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|
mult: f32,
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||||||
|
}
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||||||
|
impl Charset {
|
||||||
|
fn new(characters: &str) -> Self {
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||||||
|
let characters = characters.to_owned();
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||||||
|
let mult = characters.chars().count() as f32 / (255.0 * 3.0);
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||||||
|
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||||||
|
Charset { characters, mult }
|
||||||
|
}
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||||||
|
fn convert_pixel(&self, px: &Rgb<u8>) -> char {
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|
let p = px[0] as u16 + px[1] as u16 + px[2] as u16;
|
||||||
|
let scaled = p as f32 * self.mult;
|
||||||
|
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||||||
|
let scaled = scaled.floor() as usize;
|
||||||
|
self.characters.chars().nth(scaled).unwrap_or('X')
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn main() -> Result<(), &'static str> {
|
||||||
|
// Args
|
||||||
|
let settings: ASCIIfryer = argh::from_env();
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||||||
|
|
||||||
|
// Specifying whether reading from file or from stdin
|
||||||
|
// invalid states panic
|
||||||
|
let mut reader: Box<dyn BufRead> = match (settings.input, settings.stdin) {
|
||||||
|
(Some(filename), false) => Box::new(BufReader::new(
|
||||||
|
fs::File::open(filename).expect("Could not read file"),
|
||||||
|
)),
|
||||||
|
(None, true) => Box::new(BufReader::new(io::stdin().lock())),
|
||||||
|
(Some(_), true) => {
|
||||||
|
return Err("Can not load image from file and stdin. Use one or the other");
|
||||||
|
}
|
||||||
|
(None, false) => {
|
||||||
|
return Err("No input provided");
|
||||||
|
}
|
||||||
|
};
|
||||||
|
let mut file = vec![];
|
||||||
|
// Load data from file/stdin
|
||||||
|
reader
|
||||||
|
.read_to_end(&mut file)
|
||||||
|
.expect("Error while reading input");
|
||||||
|
// Parse data to image
|
||||||
|
let image = image::load_from_memory(&file)
|
||||||
|
.expect("Could not load as image. PNG, BMP, and JPEG are supported");
|
||||||
|
// Downscale image to reasonable size
|
||||||
|
let image = image.resize(
|
||||||
|
settings.width,
|
||||||
|
settings.height,
|
||||||
|
imageops::FilterType::Nearest,
|
||||||
|
);
|
||||||
|
// Convert image into buffer of Rgb<u8> (pixels)
|
||||||
|
let buffer = image
|
||||||
|
.as_rgb8()
|
||||||
|
.expect("Could not extract 8-bit RGB buffer from image");
|
||||||
|
|
||||||
|
let width = image.width();
|
||||||
|
let charset = Charset::new(&settings.palette);
|
||||||
|
|
||||||
|
// Iterate through each pixel and print resulting ASCII
|
||||||
|
for (col, _, pix) in buffer.enumerate_pixels() {
|
||||||
|
let symbol = charset.convert_pixel(pix);
|
||||||
|
print!("{symbol}");
|
||||||
|
if col == width - 1 {
|
||||||
|
println!();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue