From a990de90fe41456a23e58bd087d2f107d321f3a1 Mon Sep 17 00:00:00 2001 From: Valentin Popov Date: Fri, 19 Jul 2024 16:37:58 +0400 Subject: Deleted vendor folder --- vendor/qoi/src/pixel.rs | 183 ------------------------------------------------ 1 file changed, 183 deletions(-) delete mode 100644 vendor/qoi/src/pixel.rs (limited to 'vendor/qoi/src/pixel.rs') diff --git a/vendor/qoi/src/pixel.rs b/vendor/qoi/src/pixel.rs deleted file mode 100644 index d103494..0000000 --- a/vendor/qoi/src/pixel.rs +++ /dev/null @@ -1,183 +0,0 @@ -use crate::consts::{QOI_OP_DIFF, QOI_OP_LUMA, QOI_OP_RGB, QOI_OP_RGBA}; -use crate::error::Result; -use crate::utils::Writer; -use bytemuck::{cast, Pod}; - -#[derive(Copy, Clone, PartialEq, Eq, Debug)] -#[repr(transparent)] -pub struct Pixel([u8; N]); - -impl Pixel { - #[inline] - pub const fn new() -> Self { - Self([0; N]) - } - - #[inline] - pub fn read(&mut self, s: &[u8]) { - if s.len() == N { - let mut i = 0; - while i < N { - self.0[i] = s[i]; - i += 1; - } - } else { - unreachable!(); - } - } - - #[inline] - pub fn update(&mut self, px: Pixel) { - let mut i = 0; - while i < M && i < N { - self.0[i] = px.0[i]; - i += 1; - } - } - - #[inline] - pub fn update_rgb(&mut self, r: u8, g: u8, b: u8) { - self.0[0] = r; - self.0[1] = g; - self.0[2] = b; - } - - #[inline] - pub fn update_rgba(&mut self, r: u8, g: u8, b: u8, a: u8) { - self.0[0] = r; - self.0[1] = g; - self.0[2] = b; - if N >= 4 { - self.0[3] = a; - } - } - - #[inline] - pub fn update_diff(&mut self, b1: u8) { - self.0[0] = self.0[0].wrapping_add((b1 >> 4) & 0x03).wrapping_sub(2); - self.0[1] = self.0[1].wrapping_add((b1 >> 2) & 0x03).wrapping_sub(2); - self.0[2] = self.0[2].wrapping_add(b1 & 0x03).wrapping_sub(2); - } - - #[inline] - pub fn update_luma(&mut self, b1: u8, b2: u8) { - let vg = (b1 & 0x3f).wrapping_sub(32); - let vg_8 = vg.wrapping_sub(8); - let vr = vg_8.wrapping_add((b2 >> 4) & 0x0f); - let vb = vg_8.wrapping_add(b2 & 0x0f); - self.0[0] = self.0[0].wrapping_add(vr); - self.0[1] = self.0[1].wrapping_add(vg); - self.0[2] = self.0[2].wrapping_add(vb); - } - - #[inline] - pub const fn as_rgba(self, with_a: u8) -> Pixel<4> { - let mut i = 0; - let mut out = Pixel::new(); - while i < N { - out.0[i] = self.0[i]; - i += 1; - } - if N < 4 { - out.0[3] = with_a; - } - out - } - - #[inline] - pub const fn r(self) -> u8 { - self.0[0] - } - - #[inline] - pub const fn g(self) -> u8 { - self.0[1] - } - - #[inline] - pub const fn b(self) -> u8 { - self.0[2] - } - - #[inline] - pub const fn with_a(mut self, value: u8) -> Self { - if N >= 4 { - self.0[3] = value; - } - self - } - - #[inline] - pub const fn a_or(self, value: u8) -> u8 { - if N < 4 { - value - } else { - self.0[3] - } - } - - #[inline] - #[allow(clippy::cast_lossless, clippy::cast_possible_truncation)] - pub fn hash_index(self) -> u8 - where - [u8; N]: Pod, - { - // credits for the initial idea: @zakarumych - let v = if N == 4 { - u32::from_ne_bytes(cast(self.0)) - } else { - u32::from_ne_bytes([self.0[0], self.0[1], self.0[2], 0xff]) - } as u64; - let s = ((v & 0xff00_ff00) << 32) | (v & 0x00ff_00ff); - s.wrapping_mul(0x0300_0700_0005_000b_u64).to_le().swap_bytes() as u8 & 63 - } - - #[inline] - pub fn rgb_add(&mut self, r: u8, g: u8, b: u8) { - self.0[0] = self.0[0].wrapping_add(r); - self.0[1] = self.0[1].wrapping_add(g); - self.0[2] = self.0[2].wrapping_add(b); - } - - #[inline] - pub fn encode_into(&self, px_prev: Self, buf: W) -> Result { - if N == 3 || self.a_or(0) == px_prev.a_or(0) { - let vg = self.g().wrapping_sub(px_prev.g()); - let vg_32 = vg.wrapping_add(32); - if vg_32 | 63 == 63 { - let vr = self.r().wrapping_sub(px_prev.r()); - let vb = self.b().wrapping_sub(px_prev.b()); - let vg_r = vr.wrapping_sub(vg); - let vg_b = vb.wrapping_sub(vg); - let (vr_2, vg_2, vb_2) = - (vr.wrapping_add(2), vg.wrapping_add(2), vb.wrapping_add(2)); - if vr_2 | vg_2 | vb_2 | 3 == 3 { - buf.write_one(QOI_OP_DIFF | vr_2 << 4 | vg_2 << 2 | vb_2) - } else { - let (vg_r_8, vg_b_8) = (vg_r.wrapping_add(8), vg_b.wrapping_add(8)); - if vg_r_8 | vg_b_8 | 15 == 15 { - buf.write_many(&[QOI_OP_LUMA | vg_32, vg_r_8 << 4 | vg_b_8]) - } else { - buf.write_many(&[QOI_OP_RGB, self.r(), self.g(), self.b()]) - } - } - } else { - buf.write_many(&[QOI_OP_RGB, self.r(), self.g(), self.b()]) - } - } else { - buf.write_many(&[QOI_OP_RGBA, self.r(), self.g(), self.b(), self.a_or(0xff)]) - } - } -} - -impl From> for [u8; N] { - #[inline(always)] - fn from(px: Pixel) -> Self { - px.0 - } -} - -pub trait SupportedChannels {} - -impl SupportedChannels for Pixel<3> {} -impl SupportedChannels for Pixel<4> {} -- cgit v1.2.3