/rust/registry/src/index.crates.io-1949cf8c6b5b557f/moxcms-0.7.9/src/conversions/gray2rgb.rs

Source
/*
 * // Copyright (c) Radzivon Bartoshyk 2/2025. All rights reserved.
 * //
 * // Redistribution and use in source and binary forms, with or without modification,
 * // are permitted provided that the following conditions are met:
 * //
 * // 1.  Redistributions of source code must retain the above copyright notice, this
 * // list of conditions and the following disclaimer.
 * //
 * // 2.  Redistributions in binary form must reproduce the above copyright notice,
 * // this list of conditions and the following disclaimer in the documentation
 * // and/or other materials provided with the distribution.
 * //
 * // 3.  Neither the name of the copyright holder nor the names of its
 * // contributors may be used to endorse or promote products derived from
 * // this software without specific prior written permission.
 * //
 * // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
use crate::transform::PointeeSizeExpressible;
use crate::{CmsError, Layout, TransformExecutor};
use num_traits::AsPrimitive;

#[derive(Clone)]
struct TransformGray2RgbFusedExecutor<T, const SRC_LAYOUT: u8, const DEST_LAYOUT: u8> {
    fused_gamma: Box<[T; 65536]>,
    bit_depth: usize,
}

pub(crate) fn make_gray_to_x<
    T: Copy + Default + PointeeSizeExpressible + 'static + Send + Sync,
    const BUCKET: usize,
>(
    src_layout: Layout,
    dst_layout: Layout,
    gray_linear: &[f32; BUCKET],
    gray_gamma: &[T; 65536],
    bit_depth: usize,
    gamma_lut: usize,
) -> Result<Box<dyn TransformExecutor<T> + Sync + Send>, CmsError>
where
    u32: AsPrimitive<T>,
{
    if src_layout != Layout::Gray && src_layout != Layout::GrayAlpha {
        return Err(CmsError::UnsupportedProfileConnection);
    }

    let mut fused_gamma = Box::new([T::default(); 65536]);
    let max_lut_size = (gamma_lut - 1) as f32;
    for (&src, dst) in gray_linear.iter().zip(fused_gamma.iter_mut()) {
        let possible_value = ((src * max_lut_size).round() as u32).min(max_lut_size as u32) as u16;
        *dst = gray_gamma[possible_value as usize];
    }

    match src_layout {
        Layout::Gray => match dst_layout {
            Layout::Rgb => Ok(Box::new(TransformGray2RgbFusedExecutor::<
                T,
                { Layout::Gray as u8 },
                { Layout::Rgb as u8 },
            > {
                fused_gamma,
                bit_depth,
            })),
            Layout::Rgba => Ok(Box::new(TransformGray2RgbFusedExecutor::<
                T,
                { Layout::Gray as u8 },
                { Layout::Rgba as u8 },
            > {
                fused_gamma,
                bit_depth,
            })),
            Layout::Gray => Ok(Box::new(TransformGray2RgbFusedExecutor::<
                T,
                { Layout::Gray as u8 },
                { Layout::Gray as u8 },
            > {
                fused_gamma,
                bit_depth,
            })),
            Layout::GrayAlpha => Ok(Box::new(TransformGray2RgbFusedExecutor::<
                T,
                { Layout::Gray as u8 },
                { Layout::GrayAlpha as u8 },
            > {
                fused_gamma,
                bit_depth,
            })),
            _ => Err(CmsError::UnsupportedProfileConnection),
        },
        Layout::GrayAlpha => match dst_layout {
            Layout::Rgb => Ok(Box::new(TransformGray2RgbFusedExecutor::<
                T,
                { Layout::Gray as u8 },
                { Layout::GrayAlpha as u8 },
            > {
                fused_gamma,
                bit_depth,
            })),
            Layout::Rgba => Ok(Box::new(TransformGray2RgbFusedExecutor::<
                T,
                { Layout::Gray as u8 },
                { Layout::Rgba as u8 },
            > {
                fused_gamma,
                bit_depth,
            })),
            Layout::Gray => Ok(Box::new(TransformGray2RgbFusedExecutor::<
                T,
                { Layout::Gray as u8 },
                { Layout::Gray as u8 },
            > {
                fused_gamma,
                bit_depth,
            })),
            Layout::GrayAlpha => Ok(Box::new(TransformGray2RgbFusedExecutor::<
                T,
                { Layout::GrayAlpha as u8 },
                { Layout::GrayAlpha as u8 },
            > {
                fused_gamma,
                bit_depth,
            })),
            _ => Err(CmsError::UnsupportedProfileConnection),
        },
        _ => Err(CmsError::UnsupportedProfileConnection),
    }
}

impl<
    T: Copy + Default + PointeeSizeExpressible + 'static,
    const SRC_LAYOUT: u8,
    const DST_LAYOUT: u8,
> TransformExecutor<T> for TransformGray2RgbFusedExecutor<T, SRC_LAYOUT, DST_LAYOUT>
where
    u32: AsPrimitive<T>,
{
    fn transform(&self, src: &[T], dst: &mut [T]) -> Result<(), CmsError> {
        let src_cn = Layout::from(SRC_LAYOUT);
        let dst_cn = Layout::from(DST_LAYOUT);
        let src_channels = src_cn.channels();
        let dst_channels = dst_cn.channels();

        if src.len() / src_channels != dst.len() / dst_channels {
            return Err(CmsError::LaneSizeMismatch);
        }
        if src.len() % src_channels != 0 {
            return Err(CmsError::LaneMultipleOfChannels);
        }
        if dst.len() % dst_channels != 0 {
            return Err(CmsError::LaneMultipleOfChannels);
        }

        let is_gray_alpha = src_cn == Layout::GrayAlpha;

        let max_value: T = ((1u32 << self.bit_depth as u32) - 1u32).as_();

        for (src, dst) in src
            .chunks_exact(src_channels)
            .zip(dst.chunks_exact_mut(dst_channels))
        {
            let g = self.fused_gamma[src[0]._as_usize()];
            let a = if is_gray_alpha { src[1] } else { max_value };

            dst[0] = g;
            if dst_cn == Layout::GrayAlpha {
                dst[1] = a;
            } else if dst_cn == Layout::Rgb {
                dst[1] = g;
                dst[2] = g;
            } else if dst_cn == Layout::Rgba {
                dst[1] = g;
                dst[2] = g;
                dst[3] = a;
            }
        }

        Ok(())
    }
}

#[derive(Clone)]
struct TransformGrayToRgbExecutor<T, const SRC_LAYOUT: u8, const DEST_LAYOUT: u8> {
    gray_linear: Box<[f32; 65536]>,
    red_gamma: Box<[T; 65536]>,
    green_gamma: Box<[T; 65536]>,
    blue_gamma: Box<[T; 65536]>,
    bit_depth: usize,
    gamma_lut: usize,
}

#[allow(clippy::too_many_arguments)]
pub(crate) fn make_gray_to_unfused<
    T: Copy + Default + PointeeSizeExpressible + 'static + Send + Sync,
    const BUCKET: usize,
>(
    src_layout: Layout,
    dst_layout: Layout,
    gray_linear: Box<[f32; 65536]>,
    red_gamma: Box<[T; 65536]>,
    green_gamma: Box<[T; 65536]>,
    blue_gamma: Box<[T; 65536]>,
    bit_depth: usize,
    gamma_lut: usize,
) -> Result<Box<dyn TransformExecutor<T> + Sync + Send>, CmsError>
where
    u32: AsPrimitive<T>,
{
    if src_layout != Layout::Gray && src_layout != Layout::GrayAlpha {
        return Err(CmsError::UnsupportedProfileConnection);
    }
    if dst_layout != Layout::Rgb && dst_layout != Layout::Rgba {
        return Err(CmsError::UnsupportedProfileConnection);
    }
    match src_layout {
        Layout::Gray => match dst_layout {
            Layout::Rgb => Ok(Box::new(TransformGrayToRgbExecutor::<
                T,
                { Layout::Gray as u8 },
                { Layout::Rgb as u8 },
            > {
                gray_linear,
                red_gamma,
                green_gamma,
                blue_gamma,
                bit_depth,
                gamma_lut,
            })),
            Layout::Rgba => Ok(Box::new(TransformGrayToRgbExecutor::<
                T,
                { Layout::Gray as u8 },
                { Layout::Rgba as u8 },
            > {
                gray_linear,
                red_gamma,
                green_gamma,
                blue_gamma,
                bit_depth,
                gamma_lut,
            })),
            Layout::Gray => Ok(Box::new(TransformGrayToRgbExecutor::<
                T,
                { Layout::Gray as u8 },
                { Layout::Gray as u8 },
            > {
                gray_linear,
                red_gamma,
                green_gamma,
                blue_gamma,
                bit_depth,
                gamma_lut,
            })),
            Layout::GrayAlpha => Ok(Box::new(TransformGrayToRgbExecutor::<
                T,
                { Layout::Gray as u8 },
                { Layout::GrayAlpha as u8 },
            > {
                gray_linear,
                red_gamma,
                green_gamma,
                blue_gamma,
                bit_depth,
                gamma_lut,
            })),
            _ => Err(CmsError::UnsupportedProfileConnection),
        },
        Layout::GrayAlpha => match dst_layout {
            Layout::Rgb => Ok(Box::new(TransformGrayToRgbExecutor::<
                T,
                { Layout::Gray as u8 },
                { Layout::GrayAlpha as u8 },
            > {
                gray_linear,
                red_gamma,
                green_gamma,
                blue_gamma,
                bit_depth,
                gamma_lut,
            })),
            Layout::Rgba => Ok(Box::new(TransformGrayToRgbExecutor::<
                T,
                { Layout::Gray as u8 },
                { Layout::Rgba as u8 },
            > {
                gray_linear,
                red_gamma,
                green_gamma,
                blue_gamma,
                bit_depth,
                gamma_lut,
            })),
            Layout::Gray => Ok(Box::new(TransformGrayToRgbExecutor::<
                T,
                { Layout::Gray as u8 },
                { Layout::Gray as u8 },
            > {
                gray_linear,
                red_gamma,
                green_gamma,
                blue_gamma,
                bit_depth,
                gamma_lut,
            })),
            Layout::GrayAlpha => Ok(Box::new(TransformGrayToRgbExecutor::<
                T,
                { Layout::GrayAlpha as u8 },
                { Layout::GrayAlpha as u8 },
            > {
                gray_linear,
                red_gamma,
                green_gamma,
                blue_gamma,
                bit_depth,
                gamma_lut,
            })),
            _ => Err(CmsError::UnsupportedProfileConnection),
        },
        _ => Err(CmsError::UnsupportedProfileConnection),
    }
}

impl<
    T: Copy + Default + PointeeSizeExpressible + 'static,
    const SRC_LAYOUT: u8,
    const DST_LAYOUT: u8,
> TransformExecutor<T> for TransformGrayToRgbExecutor<T, SRC_LAYOUT, DST_LAYOUT>
where
    u32: AsPrimitive<T>,
{
    fn transform(&self, src: &[T], dst: &mut [T]) -> Result<(), CmsError> {
        let src_cn = Layout::from(SRC_LAYOUT);
        let dst_cn = Layout::from(DST_LAYOUT);
        let src_channels = src_cn.channels();
        let dst_channels = dst_cn.channels();

        if src.len() / src_channels != dst.len() / dst_channels {
            return Err(CmsError::LaneSizeMismatch);
        }
        if src.len() % src_channels != 0 {
            return Err(CmsError::LaneMultipleOfChannels);
        }
        if dst.len() % dst_channels != 0 {
            return Err(CmsError::LaneMultipleOfChannels);
        }

        let is_gray_alpha = src_cn == Layout::GrayAlpha;

        let max_value: T = ((1u32 << self.bit_depth as u32) - 1u32).as_();
        let max_lut_size = (self.gamma_lut - 1) as f32;

        for (src, dst) in src
            .chunks_exact(src_channels)
            .zip(dst.chunks_exact_mut(dst_channels))
        {
            let g = self.gray_linear[src[0]._as_usize()];
            let a = if is_gray_alpha { src[1] } else { max_value };

            let possible_value = ((g * max_lut_size).round() as u16) as usize;
            let red_value = self.red_gamma[possible_value];
            let green_value = self.green_gamma[possible_value];
            let blue_value = self.blue_gamma[possible_value];

            if dst_cn == Layout::Rgb {
                dst[0] = red_value;
                dst[1] = green_value;
                dst[2] = blue_value;
            } else if dst_cn == Layout::Rgba {
                dst[0] = red_value;
                dst[1] = green_value;
                dst[2] = blue_value;
                dst[3] = a;
            } else {
                return Err(CmsError::UnsupportedProfileConnection);
            }
        }

        Ok(())
    }
}

Coverage Report

Created: 2025-10-28 08:03

Line	Count	Source
1		/*
2		* // Copyright (c) Radzivon Bartoshyk 2/2025. All rights reserved.
3		* //
4		* // Redistribution and use in source and binary forms, with or without modification,
5		* // are permitted provided that the following conditions are met:
6		* //
7		* // 1. Redistributions of source code must retain the above copyright notice, this
8		* // list of conditions and the following disclaimer.
9		* //
10		* // 2. Redistributions in binary form must reproduce the above copyright notice,
11		* // this list of conditions and the following disclaimer in the documentation
12		* // and/or other materials provided with the distribution.
13		* //
14		* // 3. Neither the name of the copyright holder nor the names of its
15		* // contributors may be used to endorse or promote products derived from
16		* // this software without specific prior written permission.
17		* //
18		* // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19		* // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20		* // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21		* // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
22		* // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23		* // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24		* // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
25		* // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26		* // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27		* // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28		*/
29		use crate::transform::PointeeSizeExpressible;
30		use crate::{CmsError, Layout, TransformExecutor};
31		use num_traits::AsPrimitive;
32
33		#[derive(Clone)]
34		struct TransformGray2RgbFusedExecutor<T, const SRC_LAYOUT: u8, const DEST_LAYOUT: u8> {
35		fused_gamma: Box<[T; 65536]>,
36		bit_depth: usize,
37		}
38
39	0	pub(crate) fn make_gray_to_x<
40	0	T: Copy + Default + PointeeSizeExpressible + 'static + Send + Sync,
41	0	const BUCKET: usize,
42	0	>(
43	0	src_layout: Layout,
44	0	dst_layout: Layout,
45	0	gray_linear: &[f32; BUCKET],
46	0	gray_gamma: &[T; 65536],
47	0	bit_depth: usize,
48	0	gamma_lut: usize,
49	0	) -> Result<Box<dyn TransformExecutor<T> + Sync + Send>, CmsError>
50	0	where
51	0	u32: AsPrimitive<T>,
52		{
53	0	if src_layout != Layout::Gray && src_layout != Layout::GrayAlpha {
54	0	return Err(CmsError::UnsupportedProfileConnection);
55	0	}
56
57	0	let mut fused_gamma = Box::new([T::default(); 65536]);
58	0	let max_lut_size = (gamma_lut - 1) as f32;
59	0	for (&src, dst) in gray_linear.iter().zip(fused_gamma.iter_mut()) {
60	0	let possible_value = ((src * max_lut_size).round() as u32).min(max_lut_size as u32) as u16;
61	0	*dst = gray_gamma[possible_value as usize];
62	0	}
63
64	0	match src_layout {
65	0	Layout::Gray => match dst_layout {
66	0	Layout::Rgb => Ok(Box::new(TransformGray2RgbFusedExecutor::<
67	0	T,
68	0	{ Layout::Gray as u8 },
69	0	{ Layout::Rgb as u8 },
70	0	> {
71	0	fused_gamma,
72	0	bit_depth,
73	0	})),
74	0	Layout::Rgba => Ok(Box::new(TransformGray2RgbFusedExecutor::<
75	0	T,
76	0	{ Layout::Gray as u8 },
77	0	{ Layout::Rgba as u8 },
78	0	> {
79	0	fused_gamma,
80	0	bit_depth,
81	0	})),
82	0	Layout::Gray => Ok(Box::new(TransformGray2RgbFusedExecutor::<
83	0	T,
84	0	{ Layout::Gray as u8 },
85	0	{ Layout::Gray as u8 },
86	0	> {
87	0	fused_gamma,
88	0	bit_depth,
89	0	})),
90	0	Layout::GrayAlpha => Ok(Box::new(TransformGray2RgbFusedExecutor::<
91	0	T,
92	0	{ Layout::Gray as u8 },
93	0	{ Layout::GrayAlpha as u8 },
94	0	> {
95	0	fused_gamma,
96	0	bit_depth,
97	0	})),
98	0	_ => Err(CmsError::UnsupportedProfileConnection),
99		},
100	0	Layout::GrayAlpha => match dst_layout {
101	0	Layout::Rgb => Ok(Box::new(TransformGray2RgbFusedExecutor::<
102	0	T,
103	0	{ Layout::Gray as u8 },
104	0	{ Layout::GrayAlpha as u8 },
105	0	> {
106	0	fused_gamma,
107	0	bit_depth,
108	0	})),
109	0	Layout::Rgba => Ok(Box::new(TransformGray2RgbFusedExecutor::<
110	0	T,
111	0	{ Layout::Gray as u8 },
112	0	{ Layout::Rgba as u8 },
113	0	> {
114	0	fused_gamma,
115	0	bit_depth,
116	0	})),
117	0	Layout::Gray => Ok(Box::new(TransformGray2RgbFusedExecutor::<
118	0	T,
119	0	{ Layout::Gray as u8 },
120	0	{ Layout::Gray as u8 },
121	0	> {
122	0	fused_gamma,
123	0	bit_depth,
124	0	})),
125	0	Layout::GrayAlpha => Ok(Box::new(TransformGray2RgbFusedExecutor::<
126	0	T,
127	0	{ Layout::GrayAlpha as u8 },
128	0	{ Layout::GrayAlpha as u8 },
129	0	> {
130	0	fused_gamma,
131	0	bit_depth,
132	0	})),
133	0	_ => Err(CmsError::UnsupportedProfileConnection),
134		},
135	0	_ => Err(CmsError::UnsupportedProfileConnection),
136		}
137	0	} Unexecuted instantiation: moxcms::conversions::gray2rgb::make_gray_to_x::<f64, 65536> Unexecuted instantiation: moxcms::conversions::gray2rgb::make_gray_to_x::<f32, 65536> Unexecuted instantiation: moxcms::conversions::gray2rgb::make_gray_to_x::<u8, 256> Unexecuted instantiation: moxcms::conversions::gray2rgb::make_gray_to_x::<u16, 65536>
138
139		impl<
140		T: Copy + Default + PointeeSizeExpressible + 'static,
141		const SRC_LAYOUT: u8,
142		const DST_LAYOUT: u8,
143		> TransformExecutor<T> for TransformGray2RgbFusedExecutor<T, SRC_LAYOUT, DST_LAYOUT>
144		where
145		u32: AsPrimitive<T>,
146		{
147	0	fn transform(&self, src: &[T], dst: &mut [T]) -> Result<(), CmsError> {
148	0	let src_cn = Layout::from(SRC_LAYOUT);
149	0	let dst_cn = Layout::from(DST_LAYOUT);
150	0	let src_channels = src_cn.channels();
151	0	let dst_channels = dst_cn.channels();
152
153	0	if src.len() / src_channels != dst.len() / dst_channels {
154	0	return Err(CmsError::LaneSizeMismatch);
155	0	}
156	0	if src.len() % src_channels != 0 {
157	0	return Err(CmsError::LaneMultipleOfChannels);
158	0	}
159	0	if dst.len() % dst_channels != 0 {
160	0	return Err(CmsError::LaneMultipleOfChannels);
161	0	}
162
163	0	let is_gray_alpha = src_cn == Layout::GrayAlpha;
164
165	0	let max_value: T = ((1u32 << self.bit_depth as u32) - 1u32).as_();
166
167	0	for (src, dst) in src
168	0	.chunks_exact(src_channels)
169	0	.zip(dst.chunks_exact_mut(dst_channels))
170		{
171	0	let g = self.fused_gamma[src[0]._as_usize()];
172	0	let a = if is_gray_alpha { src[1] } else { max_value };
173
174	0	dst[0] = g;
175	0	if dst_cn == Layout::GrayAlpha {
176	0	dst[1] = a;
177	0	} else if dst_cn == Layout::Rgb {
178	0	dst[1] = g;
179	0	dst[2] = g;
180	0	} else if dst_cn == Layout::Rgba {
181	0	dst[1] = g;
182	0	dst[2] = g;
183	0	dst[3] = a;
184	0	}
185		}
186
187	0	Ok(())
188	0	} Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<f64, 2, 2> as moxcms::transform::TransformExecutor<f64>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<f64, 2, 0> as moxcms::transform::TransformExecutor<f64>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<f64, 2, 1> as moxcms::transform::TransformExecutor<f64>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<f64, 2, 3> as moxcms::transform::TransformExecutor<f64>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<f64, 3, 3> as moxcms::transform::TransformExecutor<f64>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<f32, 2, 2> as moxcms::transform::TransformExecutor<f32>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<f32, 2, 0> as moxcms::transform::TransformExecutor<f32>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<f32, 2, 1> as moxcms::transform::TransformExecutor<f32>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<f32, 2, 3> as moxcms::transform::TransformExecutor<f32>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<f32, 3, 3> as moxcms::transform::TransformExecutor<f32>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<u8, 2, 2> as moxcms::transform::TransformExecutor<u8>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<u8, 2, 0> as moxcms::transform::TransformExecutor<u8>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<u8, 2, 1> as moxcms::transform::TransformExecutor<u8>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<u8, 2, 3> as moxcms::transform::TransformExecutor<u8>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<u8, 3, 3> as moxcms::transform::TransformExecutor<u8>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<u16, 2, 2> as moxcms::transform::TransformExecutor<u16>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<u16, 2, 0> as moxcms::transform::TransformExecutor<u16>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<u16, 2, 1> as moxcms::transform::TransformExecutor<u16>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<u16, 2, 3> as moxcms::transform::TransformExecutor<u16>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGray2RgbFusedExecutor<u16, 3, 3> as moxcms::transform::TransformExecutor<u16>>::transform
189		}
190
191		#[derive(Clone)]
192		struct TransformGrayToRgbExecutor<T, const SRC_LAYOUT: u8, const DEST_LAYOUT: u8> {
193		gray_linear: Box<[f32; 65536]>,
194		red_gamma: Box<[T; 65536]>,
195		green_gamma: Box<[T; 65536]>,
196		blue_gamma: Box<[T; 65536]>,
197		bit_depth: usize,
198		gamma_lut: usize,
199		}
200
201		#[allow(clippy::too_many_arguments)]
202	0	pub(crate) fn make_gray_to_unfused<
203	0	T: Copy + Default + PointeeSizeExpressible + 'static + Send + Sync,
204	0	const BUCKET: usize,
205	0	>(
206	0	src_layout: Layout,
207	0	dst_layout: Layout,
208	0	gray_linear: Box<[f32; 65536]>,
209	0	red_gamma: Box<[T; 65536]>,
210	0	green_gamma: Box<[T; 65536]>,
211	0	blue_gamma: Box<[T; 65536]>,
212	0	bit_depth: usize,
213	0	gamma_lut: usize,
214	0	) -> Result<Box<dyn TransformExecutor<T> + Sync + Send>, CmsError>
215	0	where
216	0	u32: AsPrimitive<T>,
217		{
218	0	if src_layout != Layout::Gray && src_layout != Layout::GrayAlpha {
219	0	return Err(CmsError::UnsupportedProfileConnection);
220	0	}
221	0	if dst_layout != Layout::Rgb && dst_layout != Layout::Rgba {
222	0	return Err(CmsError::UnsupportedProfileConnection);
223	0	}
224	0	match src_layout {
225	0	Layout::Gray => match dst_layout {
226	0	Layout::Rgb => Ok(Box::new(TransformGrayToRgbExecutor::<
227	0	T,
228	0	{ Layout::Gray as u8 },
229	0	{ Layout::Rgb as u8 },
230	0	> {
231	0	gray_linear,
232	0	red_gamma,
233	0	green_gamma,
234	0	blue_gamma,
235	0	bit_depth,
236	0	gamma_lut,
237	0	})),
238	0	Layout::Rgba => Ok(Box::new(TransformGrayToRgbExecutor::<
239	0	T,
240	0	{ Layout::Gray as u8 },
241	0	{ Layout::Rgba as u8 },
242	0	> {
243	0	gray_linear,
244	0	red_gamma,
245	0	green_gamma,
246	0	blue_gamma,
247	0	bit_depth,
248	0	gamma_lut,
249	0	})),
250	0	Layout::Gray => Ok(Box::new(TransformGrayToRgbExecutor::<
251	0	T,
252	0	{ Layout::Gray as u8 },
253	0	{ Layout::Gray as u8 },
254	0	> {
255	0	gray_linear,
256	0	red_gamma,
257	0	green_gamma,
258	0	blue_gamma,
259	0	bit_depth,
260	0	gamma_lut,
261	0	})),
262	0	Layout::GrayAlpha => Ok(Box::new(TransformGrayToRgbExecutor::<
263	0	T,
264	0	{ Layout::Gray as u8 },
265	0	{ Layout::GrayAlpha as u8 },
266	0	> {
267	0	gray_linear,
268	0	red_gamma,
269	0	green_gamma,
270	0	blue_gamma,
271	0	bit_depth,
272	0	gamma_lut,
273	0	})),
274	0	_ => Err(CmsError::UnsupportedProfileConnection),
275		},
276	0	Layout::GrayAlpha => match dst_layout {
277	0	Layout::Rgb => Ok(Box::new(TransformGrayToRgbExecutor::<
278	0	T,
279	0	{ Layout::Gray as u8 },
280	0	{ Layout::GrayAlpha as u8 },
281	0	> {
282	0	gray_linear,
283	0	red_gamma,
284	0	green_gamma,
285	0	blue_gamma,
286	0	bit_depth,
287	0	gamma_lut,
288	0	})),
289	0	Layout::Rgba => Ok(Box::new(TransformGrayToRgbExecutor::<
290	0	T,
291	0	{ Layout::Gray as u8 },
292	0	{ Layout::Rgba as u8 },
293	0	> {
294	0	gray_linear,
295	0	red_gamma,
296	0	green_gamma,
297	0	blue_gamma,
298	0	bit_depth,
299	0	gamma_lut,
300	0	})),
301	0	Layout::Gray => Ok(Box::new(TransformGrayToRgbExecutor::<
302	0	T,
303	0	{ Layout::Gray as u8 },
304	0	{ Layout::Gray as u8 },
305	0	> {
306	0	gray_linear,
307	0	red_gamma,
308	0	green_gamma,
309	0	blue_gamma,
310	0	bit_depth,
311	0	gamma_lut,
312	0	})),
313	0	Layout::GrayAlpha => Ok(Box::new(TransformGrayToRgbExecutor::<
314	0	T,
315	0	{ Layout::GrayAlpha as u8 },
316	0	{ Layout::GrayAlpha as u8 },
317	0	> {
318	0	gray_linear,
319	0	red_gamma,
320	0	green_gamma,
321	0	blue_gamma,
322	0	bit_depth,
323	0	gamma_lut,
324	0	})),
325	0	_ => Err(CmsError::UnsupportedProfileConnection),
326		},
327	0	_ => Err(CmsError::UnsupportedProfileConnection),
328		}
329	0	} Unexecuted instantiation: moxcms::conversions::gray2rgb::make_gray_to_unfused::<f64, 65536> Unexecuted instantiation: moxcms::conversions::gray2rgb::make_gray_to_unfused::<f32, 65536> Unexecuted instantiation: moxcms::conversions::gray2rgb::make_gray_to_unfused::<u8, 256> Unexecuted instantiation: moxcms::conversions::gray2rgb::make_gray_to_unfused::<u16, 65536>
330
331		impl<
332		T: Copy + Default + PointeeSizeExpressible + 'static,
333		const SRC_LAYOUT: u8,
334		const DST_LAYOUT: u8,
335		> TransformExecutor<T> for TransformGrayToRgbExecutor<T, SRC_LAYOUT, DST_LAYOUT>
336		where
337		u32: AsPrimitive<T>,
338		{
339	0	fn transform(&self, src: &[T], dst: &mut [T]) -> Result<(), CmsError> {
340	0	let src_cn = Layout::from(SRC_LAYOUT);
341	0	let dst_cn = Layout::from(DST_LAYOUT);
342	0	let src_channels = src_cn.channels();
343	0	let dst_channels = dst_cn.channels();
344
345	0	if src.len() / src_channels != dst.len() / dst_channels {
346	0	return Err(CmsError::LaneSizeMismatch);
347	0	}
348	0	if src.len() % src_channels != 0 {
349	0	return Err(CmsError::LaneMultipleOfChannels);
350	0	}
351	0	if dst.len() % dst_channels != 0 {
352	0	return Err(CmsError::LaneMultipleOfChannels);
353	0	}
354
355	0	let is_gray_alpha = src_cn == Layout::GrayAlpha;
356
357	0	let max_value: T = ((1u32 << self.bit_depth as u32) - 1u32).as_();
358	0	let max_lut_size = (self.gamma_lut - 1) as f32;
359
360	0	for (src, dst) in src
361	0	.chunks_exact(src_channels)
362	0	.zip(dst.chunks_exact_mut(dst_channels))
363		{
364	0	let g = self.gray_linear[src[0]._as_usize()];
365	0	let a = if is_gray_alpha { src[1] } else { max_value };
366
367	0	let possible_value = ((g * max_lut_size).round() as u16) as usize;
368	0	let red_value = self.red_gamma[possible_value];
369	0	let green_value = self.green_gamma[possible_value];
370	0	let blue_value = self.blue_gamma[possible_value];
371
372	0	if dst_cn == Layout::Rgb {
373	0	dst[0] = red_value;
374	0	dst[1] = green_value;
375	0	dst[2] = blue_value;
376	0	} else if dst_cn == Layout::Rgba {
377	0	dst[0] = red_value;
378	0	dst[1] = green_value;
379	0	dst[2] = blue_value;
380	0	dst[3] = a;
381	0	} else {
382	0	return Err(CmsError::UnsupportedProfileConnection);
383		}
384		}
385
386	0	Ok(())
387	0	} Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<f64, 2, 2> as moxcms::transform::TransformExecutor<f64>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<f64, 2, 0> as moxcms::transform::TransformExecutor<f64>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<f64, 2, 1> as moxcms::transform::TransformExecutor<f64>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<f64, 2, 3> as moxcms::transform::TransformExecutor<f64>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<f64, 3, 3> as moxcms::transform::TransformExecutor<f64>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<f32, 2, 2> as moxcms::transform::TransformExecutor<f32>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<f32, 2, 0> as moxcms::transform::TransformExecutor<f32>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<f32, 2, 1> as moxcms::transform::TransformExecutor<f32>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<f32, 2, 3> as moxcms::transform::TransformExecutor<f32>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<f32, 3, 3> as moxcms::transform::TransformExecutor<f32>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<u8, 2, 2> as moxcms::transform::TransformExecutor<u8>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<u8, 2, 0> as moxcms::transform::TransformExecutor<u8>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<u8, 2, 1> as moxcms::transform::TransformExecutor<u8>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<u8, 2, 3> as moxcms::transform::TransformExecutor<u8>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<u8, 3, 3> as moxcms::transform::TransformExecutor<u8>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<u16, 2, 2> as moxcms::transform::TransformExecutor<u16>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<u16, 2, 0> as moxcms::transform::TransformExecutor<u16>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<u16, 2, 1> as moxcms::transform::TransformExecutor<u16>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<u16, 2, 3> as moxcms::transform::TransformExecutor<u16>>::transform Unexecuted instantiation: <moxcms::conversions::gray2rgb::TransformGrayToRgbExecutor<u16, 3, 3> as moxcms::transform::TransformExecutor<u16>>::transform
388		}