image_overlay/
blend_mode.rs

1use std::fmt;
2
3
4/// Algorithm for blending pixels.
5/// 
6/// # References
7/// [Adobe Photoshop Blending Modes Documentation](https://helpx.adobe.com/en/photoshop/using/blending-modes.html)  
8/// 
9/// # Disclaimer
10/// * This is NOT a faithful reproduction.
11/// * This is NOT affiliated with or endorsed by Adobe Inc.  
12/// * Adobe and Photoshop are either registered trademarks or trademarks of Adobe in the United States and/or other countries.
13#[derive(Default, Debug, Clone, Copy, PartialEq, Eq, Hash)]
14#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
15pub enum BlendMode {
16    #[default]
17    Normal,
18    Dissolve,
19    
20    Darken,
21    Multiply,
22    ColorBurn,
23    LinearBurn,
24    DarkerColor,
25    
26    Lighten,
27    Screen,
28    ColorDodge,
29    LinearDodge,
30    LighterColor,
31    
32    Overlay,
33    SoftLight,
34    HardLight,
35    VividLight,
36    LinearLight,
37    PinLight,
38    HardMix,
39    
40    Difference,
41    Exclusion,
42    Subtract,
43    Divide,
44    
45    Hue,
46    Saturation,
47    Color,
48    Luminosity,
49}
50
51impl fmt::Display for BlendMode {
52    
53    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
54        let mode_str = match self {
55            BlendMode::Normal => "Normal",
56            BlendMode::Dissolve => "Dissolve",
57            BlendMode::Darken => "Darken",
58            BlendMode::Multiply => "Multiply",
59            BlendMode::ColorBurn => "ColorBurn",
60            BlendMode::LinearBurn => "LinearBurn",
61            BlendMode::DarkerColor => "DarkerColor",
62            BlendMode::Lighten => "Lighten",
63            BlendMode::Screen => "Screen",
64            BlendMode::ColorDodge => "ColorDodge",
65            BlendMode::LinearDodge => "LinearDodge",
66            BlendMode::LighterColor => "LighterColor",
67            BlendMode::Overlay => "Overlay",
68            BlendMode::SoftLight => "SoftLight",
69            BlendMode::HardLight => "HardLight",
70            BlendMode::VividLight => "VividLight",
71            BlendMode::LinearLight => "LinearLight",
72            BlendMode::PinLight => "PinLight",
73            BlendMode::HardMix => "HardMix",
74            BlendMode::Difference => "Difference",
75            BlendMode::Exclusion => "Exclusion",
76            BlendMode::Subtract => "Subtract",
77            BlendMode::Divide => "Divide",
78            BlendMode::Hue => "Hue",
79            BlendMode::Saturation => "Saturation",
80            BlendMode::Color => "Color",
81            BlendMode::Luminosity => "Luminosity",
82        };
83        write!(f, "{}", mode_str)
84    }
85}
image_overlay/blend_mode.rs

image_overlay/
blend_mode.rs
