81 lines
2.2 KiB
Rust
81 lines
2.2 KiB
Rust
use {
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crate::ifs::wl_output::{
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TF_90, TF_180, TF_270, TF_FLIPPED, TF_FLIPPED_90, TF_FLIPPED_180, TF_FLIPPED_270, TF_NORMAL,
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},
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jay_config::video::{
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Transform,
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Transform::{
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Flip, FlipRotate90, FlipRotate180, FlipRotate270, None, Rotate90, Rotate180, Rotate270,
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},
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},
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};
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pub trait TransformExt: Sized {
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fn maybe_swap<T>(self, args: (T, T)) -> (T, T);
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fn to_wl(self) -> i32;
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fn from_wl(wl: i32) -> Option<Self>;
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fn apply_point(self, width: i32, height: i32, point: (i32, i32)) -> (i32, i32);
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fn inverse(self) -> Self;
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}
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impl TransformExt for Transform {
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fn maybe_swap<T>(self, (left, right): (T, T)) -> (T, T) {
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match self {
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None | Rotate180 | Flip | FlipRotate180 => (left, right),
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Rotate90 | Rotate270 | FlipRotate90 | FlipRotate270 => (right, left),
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}
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}
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fn to_wl(self) -> i32 {
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match self {
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None => TF_NORMAL,
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Rotate90 => TF_90,
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Rotate180 => TF_180,
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Rotate270 => TF_270,
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Flip => TF_FLIPPED,
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FlipRotate90 => TF_FLIPPED_90,
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FlipRotate180 => TF_FLIPPED_180,
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FlipRotate270 => TF_FLIPPED_270,
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}
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}
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fn from_wl(wl: i32) -> Option<Self> {
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let tf = match wl {
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TF_NORMAL => None,
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TF_90 => Rotate90,
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TF_180 => Rotate180,
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TF_270 => Rotate270,
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TF_FLIPPED => Flip,
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TF_FLIPPED_90 => FlipRotate90,
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TF_FLIPPED_180 => FlipRotate180,
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TF_FLIPPED_270 => FlipRotate270,
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_ => return Option::None,
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};
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Some(tf)
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}
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fn apply_point(self, width: i32, height: i32, (x, y): (i32, i32)) -> (i32, i32) {
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match self {
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None => (x, y),
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Rotate90 => (y, height - x),
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Rotate180 => (width - x, height - y),
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Rotate270 => (width - y, x),
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Flip => (width - x, y),
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FlipRotate90 => (y, x),
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FlipRotate180 => (x, height - y),
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FlipRotate270 => (width - y, height - x),
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}
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}
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fn inverse(self) -> Self {
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match self {
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Rotate90 => Rotate270,
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Rotate270 => Rotate90,
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_ => self,
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}
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}
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}
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