image resizing; auto-detection of hardware
This commit is contained in:
parent
de20da4e86
commit
ad2426561f
77
Cargo.lock
generated
77
Cargo.lock
generated
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@ -26,7 +26,7 @@ dependencies = [
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"cfg-if",
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"once_cell",
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"version_check",
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"zerocopy",
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"zerocopy 0.7.35",
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]
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[[package]]
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@ -311,9 +311,9 @@ checksum = "64fa3c856b712db6612c019f14756e64e4bcea13337a6b33b696333a9eaa2d06"
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[[package]]
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name = "bytemuck"
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version = "1.16.1"
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version = "1.16.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b236fc92302c97ed75b38da1f4917b5cdda4984745740f153a5d3059e48d725e"
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checksum = "102087e286b4677862ea56cf8fc58bb2cdfa8725c40ffb80fe3a008eb7f2fc83"
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[[package]]
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name = "byteorder"
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@ -329,9 +329,9 @@ checksum = "8f1fe948ff07f4bd06c30984e69f5b4899c516a3ef74f34df92a2df2ab535495"
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[[package]]
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name = "bytes"
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version = "1.6.1"
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version = "1.7.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a12916984aab3fa6e39d655a33e09c0071eb36d6ab3aea5c2d78551f1df6d952"
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checksum = "8318a53db07bb3f8dca91a600466bdb3f2eaadeedfdbcf02e1accbad9271ba50"
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[[package]]
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name = "cast"
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@ -341,9 +341,9 @@ checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
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[[package]]
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name = "cc"
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version = "1.1.6"
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version = "1.1.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2aba8f4e9906c7ce3c73463f62a7f0c65183ada1a2d47e397cc8810827f9694f"
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checksum = "26a5c3fd7bfa1ce3897a3a3501d362b2d87b7f2583ebcb4a949ec25911025cbc"
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dependencies = [
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"jobserver",
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"libc",
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@ -394,9 +394,9 @@ dependencies = [
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[[package]]
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name = "clap"
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version = "4.5.11"
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version = "4.5.13"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "35723e6a11662c2afb578bcf0b88bf6ea8e21282a953428f240574fcc3a2b5b3"
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checksum = "0fbb260a053428790f3de475e304ff84cdbc4face759ea7a3e64c1edd938a7fc"
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dependencies = [
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"clap_builder",
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"clap_derive",
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@ -404,9 +404,9 @@ dependencies = [
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[[package]]
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name = "clap_builder"
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version = "4.5.11"
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version = "4.5.13"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "49eb96cbfa7cfa35017b7cd548c75b14c3118c98b423041d70562665e07fb0fa"
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checksum = "64b17d7ea74e9f833c7dbf2cbe4fb12ff26783eda4782a8975b72f895c9b4d99"
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dependencies = [
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"anstream",
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"anstyle",
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@ -416,9 +416,9 @@ dependencies = [
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[[package]]
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name = "clap_derive"
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version = "4.5.11"
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version = "4.5.13"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5d029b67f89d30bbb547c89fd5161293c0aec155fc691d7924b64550662db93e"
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checksum = "501d359d5f3dcaf6ecdeee48833ae73ec6e42723a1e52419c79abf9507eec0a0"
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dependencies = [
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"heck 0.5.0",
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"proc-macro2",
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@ -910,9 +910,9 @@ checksum = "44feda355f4159a7c757171a77de25daf6411e217b4cabd03bd6650690468126"
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[[package]]
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name = "indexmap"
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version = "2.2.6"
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version = "2.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "168fb715dda47215e360912c096649d23d58bf392ac62f73919e831745e40f26"
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checksum = "de3fc2e30ba82dd1b3911c8de1ffc143c74a914a14e99514d7637e3099df5ea0"
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dependencies = [
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"equivalent",
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"hashbrown",
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@ -1143,9 +1143,9 @@ checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
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[[package]]
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name = "minijinja"
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version = "2.1.0"
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version = "2.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "45f7e8e35b6c7b169bf40b0176d2c79291ab8ee53290b84e0668ab21d841aa9d"
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checksum = "f4bf71af278c578cbcc91d0b1ff092910208bc86f7b3750364642bd424e3dcd3"
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dependencies = [
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"serde",
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]
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@ -1555,9 +1555,12 @@ dependencies = [
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[[package]]
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name = "ppv-lite86"
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version = "0.2.17"
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version = "0.2.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
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checksum = "dee4364d9f3b902ef14fab8a1ddffb783a1cb6b4bba3bfc1fa3922732c7de97f"
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dependencies = [
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"zerocopy 0.6.6",
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]
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[[package]]
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name = "proc-macro2"
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@ -1826,11 +1829,12 @@ dependencies = [
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[[package]]
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name = "serde_json"
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version = "1.0.120"
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version = "1.0.122"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4e0d21c9a8cae1235ad58a00c11cb40d4b1e5c784f1ef2c537876ed6ffd8b7c5"
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checksum = "784b6203951c57ff748476b126ccb5e8e2959a5c19e5c617ab1956be3dbc68da"
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dependencies = [
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"itoa",
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"memchr",
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"ryu",
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"serde",
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]
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@ -2034,9 +2038,9 @@ dependencies = [
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[[package]]
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name = "target-lexicon"
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version = "0.12.15"
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version = "0.12.16"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4873307b7c257eddcb50c9bedf158eb669578359fb28428bef438fec8e6ba7c2"
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checksum = "61c41af27dd6d1e27b1b16b489db798443478cef1f06a660c96db617ba5de3b1"
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[[package]]
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name = "thiserror"
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@ -2091,9 +2095,9 @@ dependencies = [
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[[package]]
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name = "tokio"
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version = "1.39.1"
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version = "1.39.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d040ac2b29ab03b09d4129c2f5bbd012a3ac2f79d38ff506a4bf8dd34b0eac8a"
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checksum = "daa4fb1bc778bd6f04cbfc4bb2d06a7396a8f299dc33ea1900cedaa316f467b1"
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dependencies = [
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"backtrace",
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"bytes",
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@ -2510,13 +2514,34 @@ dependencies = [
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"memchr",
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]
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[[package]]
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name = "zerocopy"
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version = "0.6.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "854e949ac82d619ee9a14c66a1b674ac730422372ccb759ce0c39cabcf2bf8e6"
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dependencies = [
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"byteorder",
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"zerocopy-derive 0.6.6",
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]
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[[package]]
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name = "zerocopy"
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version = "0.7.35"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
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dependencies = [
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"zerocopy-derive",
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"zerocopy-derive 0.7.35",
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]
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[[package]]
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name = "zerocopy-derive"
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version = "0.6.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "125139de3f6b9d625c39e2efdd73d41bdac468ccd556556440e322be0e1bbd91"
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dependencies = [
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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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25
src/api.rs
25
src/api.rs
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@ -6,14 +6,13 @@ use axum::extract::{FromRequest, Multipart, State};
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use axum::http::{header, StatusCode};
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use axum::response::IntoResponse;
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use axum::{response::Response, routing::post, Router};
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use image::{ImageReader, RgbImage};
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use image::{imageops::resize, imageops::FilterType, ImageReader, RgbImage};
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use std::io::Cursor;
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use std::str;
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use std::str::FromStr;
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use std::sync::mpsc;
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use std::sync::Arc;
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use std::thread::JoinHandle;
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use std::time::Duration;
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use tracing::{error, info, instrument};
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#[derive(thiserror::Error, Debug)]
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@ -128,21 +127,20 @@ where
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}
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}
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#[instrument(skip(ctx))]
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#[instrument(skip_all)]
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async fn set_image(
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State(ctx): State<AppState>,
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img_req: ImageRequest,
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) -> Result<impl IntoResponse, AppError> {
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// FIXME: resize image to 800x480 to match the eink panel.
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let mut buf = DitheredImage::new(
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img_req.image.width(),
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img_req.image.height(),
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img_req.palette.value().to_vec(),
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);
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info!("Got image");
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let mut buf = DitheredImage::new(800, 480, img_req.palette.value().to_vec());
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let resized = resize(&*img_req.image, 800, 480, FilterType::Lanczos3);
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{
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let mut dither = img_req.dither_method.get_ditherer();
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dither.dither(&img_req.image, &mut buf);
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dither.dither(&resized, &mut buf);
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}
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info!("image resized, pushing to channel");
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ctx.display_channel.send(Box::new(buf))?;
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Ok(StatusCode::OK)
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}
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@ -150,14 +148,11 @@ async fn set_image(
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/// generates a dithered image based on the given image and the dithering parameters.
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/// Can be used to see how the dithering and palette choices affect the result.
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async fn preview_image(img_req: ImageRequest) -> Result<impl IntoResponse, AppError> {
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let mut buf = DitheredImage::new(
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img_req.image.width(),
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img_req.image.height(),
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img_req.palette.value().to_vec(),
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);
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let mut buf = DitheredImage::new(800, 480, img_req.palette.value().to_vec());
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let resized = resize(&*img_req.image, 800, 480, FilterType::Lanczos3);
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{
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let mut dither = img_req.dither_method.get_ditherer();
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dither.dither(&img_req.image, &mut buf);
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dither.dither(&resized, &mut buf);
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}
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// Convert buf into a png image.
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let img = buf.into_rgbimage();
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31
src/main.rs
31
src/main.rs
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@ -3,8 +3,8 @@ pub mod display;
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pub mod dither;
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pub mod eink;
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use std::path::PathBuf;
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use serde::Deserialize;
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use std::path::PathBuf;
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use toml;
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use crate::display::{EInkPanel, FakeEInk, Wrapper};
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@ -12,16 +12,13 @@ use crate::dither::{DitherMethod, DitheredImage};
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use crate::eink::Palette;
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use clap::{Args, Parser, Subcommand};
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use image::RgbImage;
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use tracing::{error, info};
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use tracing::{error, event, info, warn, Level};
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/// Application config, including sqlite db path, scan folders, and scheduling.
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#[derive(Deserialize, Debug)]
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struct Config {
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database_path: PathBuf,
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search_paths: Vec<PathBuf>,
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}
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/// Display images on E-Ink Displays
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@ -38,8 +35,6 @@ enum Command {
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Convert(ConvertArgs),
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/// Load a single image
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Show,
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/// Display a test pattern
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Test,
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/// Start the HTTP server
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Serve,
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}
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@ -57,6 +52,18 @@ async fn main() -> anyhow::Result<()> {
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tracing_subscriber::fmt::init();
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let cli = Cli::parse();
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let mut display: Box<dyn EInkPanel + Send> = match Wrapper::new() {
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Ok(w) => {
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info!("Found real hardware, using it");
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Box::new(w)
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}
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Err(e) => {
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event!(Level::WARN, "Error opening display SPI interface: {e}");
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warn!("Falling back to fake display");
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Box::new(FakeEInk {})
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}
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};
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match cli.command {
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Command::Convert(a) => {
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let input = image::ImageReader::open(a.input_file)?
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@ -76,7 +83,6 @@ async fn main() -> anyhow::Result<()> {
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Command::Show => {
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let img: RgbImage = image::ImageReader::open("image.png")?.decode()?.into();
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error!("HI");
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let mut display = FakeEInk {};
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let mut eink_buf = crate::eink::new_image();
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let mut dither = DitherMethod::Atkinson.get_ditherer();
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@ -84,15 +90,8 @@ async fn main() -> anyhow::Result<()> {
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dither.dither(&img, &mut eink_buf);
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display.display(&eink_buf)?;
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}
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Command::Test => {
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let mut display = Wrapper::new()?;
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display.test()?;
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}
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Command::Serve => {
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let display = FakeEInk {};
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let ctx = api::AppState::new(Box::new(display));
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let ctx = api::AppState::new(display);
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let app = api::router().with_state(ctx);
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let listener = tokio::net::TcpListener::bind("0.0.0.0:3000").await?;
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Loading…
Reference in a new issue