Deleted vendor folder

1 files changed, 0 insertions, 252 deletions

diff --git a/vendor/jpeg-decoder/src/upsampler.rs b/vendor/jpeg-decoder/src/upsampler.rs
deleted file mode 100644
index a5c39d4..0000000
--- a/vendor/jpeg-decoder/src/upsampler.rs
+++ /dev/null
@@ -1,252 +0,0 @@
-use alloc::boxed::Box;
-use alloc::vec;
-use alloc::vec::Vec;
-use crate::error::{Error, Result, UnsupportedFeature};
-use crate::parser::Component;
-
-pub struct Upsampler {
-    components: Vec<UpsamplerComponent>,
-    line_buffer_size: usize
-}
-
-struct UpsamplerComponent {
-    upsampler: Box<dyn Upsample + Sync>,
-    width: usize,
-    height: usize,
-    row_stride: usize,
-}
-
-impl Upsampler {
-    pub fn new(components: &[Component], output_width: u16, output_height: u16) -> Result<Upsampler> {
-        let h_max = components.iter().map(|c| c.horizontal_sampling_factor).max().unwrap();
-        let v_max = components.iter().map(|c| c.vertical_sampling_factor).max().unwrap();
-        let mut upsampler_components = Vec::with_capacity(components.len());
-
-        for component in components {
-            let upsampler = choose_upsampler((component.horizontal_sampling_factor,
-                                              component.vertical_sampling_factor),
-                                             (h_max, v_max),
-                                             output_width,
-                                             output_height)?;
-            upsampler_components.push(UpsamplerComponent {
-                upsampler,
-                width: component.size.width as usize,
-                height: component.size.height as usize,
-                row_stride: component.block_size.width as usize * component.dct_scale,
-            });
-        }
-
-        let buffer_size = components.iter().map(|c| c.size.width).max().unwrap() as usize * h_max as usize;
-
-        Ok(Upsampler {
-            components: upsampler_components,
-            line_buffer_size: buffer_size
-        })
-    }
-
-    pub fn upsample_and_interleave_row(&self, component_data: &[Vec<u8>], row: usize, output_width: usize, output: &mut [u8], color_convert: fn(&[Vec<u8>], &mut [u8])) {
-        let component_count = component_data.len();
-        let mut line_buffers = vec![vec![0u8; self.line_buffer_size]; component_count];
-
-        debug_assert_eq!(component_count, self.components.len());
-
-        for (i, component) in self.components.iter().enumerate() {
-            component.upsampler.upsample_row(&component_data[i],
-                                             component.width,
-                                             component.height,
-                                             component.row_stride,
-                                             row,
-                                             output_width,
-                                             &mut line_buffers[i]);
-        }
-        color_convert(&line_buffers, output);
-    }
-}
-
-struct UpsamplerH1V1;
-struct UpsamplerH2V1;
-struct UpsamplerH1V2;
-struct UpsamplerH2V2;
-
-struct UpsamplerGeneric {
-    horizontal_scaling_factor: u8,
-    vertical_scaling_factor: u8
-}
-
-fn choose_upsampler(sampling_factors: (u8, u8),
-                    max_sampling_factors: (u8, u8),
-                    output_width: u16,
-                    output_height: u16) -> Result<Box<dyn Upsample + Sync>> {
-    let h1 = sampling_factors.0 == max_sampling_factors.0 || output_width == 1;
-    let v1 = sampling_factors.1 == max_sampling_factors.1 || output_height == 1;
-    let h2 = sampling_factors.0 * 2 == max_sampling_factors.0;
-    let v2 = sampling_factors.1 * 2 == max_sampling_factors.1;
-
-    if h1 && v1 {
-        Ok(Box::new(UpsamplerH1V1))
-    }
-    else if h2 && v1 {
-        Ok(Box::new(UpsamplerH2V1))
-    }
-    else if h1 && v2 {
-        Ok(Box::new(UpsamplerH1V2))
-    }
-    else if h2 && v2 {
-        Ok(Box::new(UpsamplerH2V2))
-    }
-    else {
-        if max_sampling_factors.0 % sampling_factors.0 != 0 || max_sampling_factors.1 % sampling_factors.1 != 0 {
-            Err(Error::Unsupported(UnsupportedFeature::NonIntegerSubsamplingRatio))
-        }
-        else {
-            Ok(Box::new(UpsamplerGeneric {
-                horizontal_scaling_factor: max_sampling_factors.0 / sampling_factors.0,
-                vertical_scaling_factor: max_sampling_factors.1 / sampling_factors.1
-            }))
-        }
-    }
-}
-
-trait Upsample {
-    fn upsample_row(&self,
-                    input: &[u8],
-                    input_width: usize,
-                    input_height: usize,
-                    row_stride: usize,
-                    row: usize,
-                    output_width: usize,
-                    output: &mut [u8]);
-}
-
-impl Upsample for UpsamplerH1V1 {
-    fn upsample_row(&self,
-                    input: &[u8],
-                    _input_width: usize,
-                    _input_height: usize,
-                    row_stride: usize,
-                    row: usize,
-                    output_width: usize,
-                    output: &mut [u8]) {
-        let input = &input[row * row_stride ..];
-
-        output[..output_width].copy_from_slice(&input[..output_width]);
-    }
-}
-
-impl Upsample for UpsamplerH2V1 {
-    fn upsample_row(&self,
-                    input: &[u8],
-                    input_width: usize,
-                    _input_height: usize,
-                    row_stride: usize,
-                    row: usize,
-                    _output_width: usize,
-                    output: &mut [u8]) {
-        let input = &input[row * row_stride ..];
-
-        if input_width == 1 {
-            output[0] = input[0];
-            output[1] = input[0];
-            return;
-        }
-
-        output[0] = input[0];
-        output[1] = ((input[0] as u32 * 3 + input[1] as u32 + 2) >> 2) as u8;
-
-        for i in 1 .. input_width - 1 {
-            let sample = 3 * input[i] as u32 + 2;
-            output[i * 2]     = ((sample + input[i - 1] as u32) >> 2) as u8;
-            output[i * 2 + 1] = ((sample + input[i + 1] as u32) >> 2) as u8;
-        }
-
-        output[(input_width - 1) * 2] = ((input[input_width - 1] as u32 * 3 + input[input_width - 2] as u32 + 2) >> 2) as u8;
-        output[(input_width - 1) * 2 + 1] = input[input_width - 1];
-    }
-}
-
-impl Upsample for UpsamplerH1V2 {
-    fn upsample_row(&self,
-                    input: &[u8],
-                    _input_width: usize,
-                    input_height: usize,
-                    row_stride: usize,
-                    row: usize,
-                    output_width: usize,
-                    output: &mut [u8]) {
-        let row_near = row as f32 / 2.0;
-        // If row_near's fractional is 0.0 we want row_far to be the previous row and if it's 0.5 we
-        // want it to be the next row.
-        let row_far = (row_near + row_near.fract() * 3.0 - 0.25).min((input_height - 1) as f32);
-
-        let input_near = &input[row_near as usize * row_stride ..];
-        let input_far = &input[row_far as usize * row_stride ..];
-
-        let output = &mut output[..output_width];
-        let input_near = &input_near[..output_width];
-        let input_far = &input_far[..output_width];
-        for i in 0..output_width {
-            output[i] = ((3 * input_near[i] as u32 + input_far[i] as u32 + 2) >> 2) as u8;
-        }
-    }
-}
-
-impl Upsample for UpsamplerH2V2 {
-    fn upsample_row(&self,
-                    input: &[u8],
-                    input_width: usize,
-                    input_height: usize,
-                    row_stride: usize,
-                    row: usize,
-                    _output_width: usize,
-                    output: &mut [u8]) {
-        let row_near = row as f32 / 2.0;
-        // If row_near's fractional is 0.0 we want row_far to be the previous row and if it's 0.5 we
-        // want it to be the next row.
-        let row_far = (row_near + row_near.fract() * 3.0 - 0.25).min((input_height - 1) as f32);
-
-        let input_near = &input[row_near as usize * row_stride ..];
-        let input_far = &input[row_far as usize * row_stride ..];
-
-        if input_width == 1 {
-            let value = ((3 * input_near[0] as u32 + input_far[0] as u32 + 2) >> 2) as u8;
-            output[0] = value;
-            output[1] = value;
-            return;
-        }
-
-        let mut t1 = 3 * input_near[0] as u32 + input_far[0] as u32;
-        output[0] = ((t1 + 2) >> 2) as u8;
-
-        for i in 1 .. input_width {
-            let t0 = t1;
-            t1 = 3 * input_near[i] as u32 + input_far[i] as u32;
-
-            output[i * 2 - 1] = ((3 * t0 + t1 + 8) >> 4) as u8;
-            output[i * 2]     = ((3 * t1 + t0 + 8) >> 4) as u8;
-        }
-
-        output[input_width * 2 - 1] = ((t1 + 2) >> 2) as u8;
-    }
-}
-
-impl Upsample for UpsamplerGeneric {
-    // Uses nearest neighbor sampling
-    fn upsample_row(&self,
-                    input: &[u8],
-                    input_width: usize,
-                    _input_height: usize,
-                    row_stride: usize,
-                    row: usize,
-                    _output_width: usize,
-                    output: &mut [u8]) {
-        let mut index = 0;
-        let start = (row / self.vertical_scaling_factor as usize) * row_stride;
-        let input = &input[start..(start + input_width)];
-        for val in input {
-            for _ in 0..self.horizontal_scaling_factor {
-                output[index] = *val;
-                index += 1;
-            }
-        }
-    }
-}