Enum Tvg_Blend_Method 

#[repr(u32)]
pub enum Tvg_Blend_Method {
    TVG_BLEND_METHOD_NORMAL = 0,
    TVG_BLEND_METHOD_MULTIPLY = 1,
    TVG_BLEND_METHOD_SCREEN = 2,
    TVG_BLEND_METHOD_OVERLAY = 3,
    TVG_BLEND_METHOD_DARKEN = 4,
    TVG_BLEND_METHOD_LIGHTEN = 5,
    TVG_BLEND_METHOD_COLORDODGE = 6,
    TVG_BLEND_METHOD_COLORBURN = 7,
    TVG_BLEND_METHOD_HARDLIGHT = 8,
    TVG_BLEND_METHOD_SOFTLIGHT = 9,
    TVG_BLEND_METHOD_DIFFERENCE = 10,
    TVG_BLEND_METHOD_EXCLUSION = 11,
    TVG_BLEND_METHOD_HUE = 12,
    TVG_BLEND_METHOD_SATURATION = 13,
    TVG_BLEND_METHOD_COLOR = 14,
    TVG_BLEND_METHOD_LUMINOSITY = 15,
    TVG_BLEND_METHOD_ADD = 16,
    TVG_BLEND_METHOD_COMPOSITION = 255,
}

@brief Enumeration indicates the method used for blending paint. Please refer to the respective formulas for each method.

@ingroup ThorVGCapi_Paint

@since 0.15

Variants

TVG_BLEND_METHOD_NORMAL = 0

< Perform the alpha blending(default). S if (Sa == 255), otherwise (Sa * S) + (255 - Sa) * D

TVG_BLEND_METHOD_MULTIPLY = 1

< Takes the RGB channel values from 0 to 255 of each pixel in the top layer and multiples them with the values for the corresponding pixel from the bottom layer. (S * D)

TVG_BLEND_METHOD_SCREEN = 2

< The values of the pixels in the two layers are inverted, multiplied, and then inverted again. (S + D) - (S * D)

TVG_BLEND_METHOD_OVERLAY = 3

< Combines Multiply and Screen blend modes. (2 * S * D) if (2 * D < Da), otherwise (Sa * Da) - 2 * (Da - S) * (Sa - D)

TVG_BLEND_METHOD_DARKEN = 4

< Creates a pixel that retains the smallest components of the top and bottom layer pixels. min(S, D)

TVG_BLEND_METHOD_LIGHTEN = 5

< Only has the opposite action of Darken Only. max(S, D)

TVG_BLEND_METHOD_COLORDODGE = 6

< Divides the bottom layer by the inverted top layer. D / (255 - S)

TVG_BLEND_METHOD_COLORBURN = 7

< Divides the inverted bottom layer by the top layer, and then inverts the result. 255 - (255 - D) / S

TVG_BLEND_METHOD_HARDLIGHT = 8

< The same as Overlay but with the color roles reversed. (2 * S * D) if (S < Sa), otherwise (Sa * Da) - 2 * (Da - S) * (Sa - D)

TVG_BLEND_METHOD_SOFTLIGHT = 9

< The same as Overlay but with applying pure black or white does not result in pure black or white. (1 - 2 * S) * (D ^ 2) + (2 * S * D)

TVG_BLEND_METHOD_DIFFERENCE = 10

< Subtracts the bottom layer from the top layer or the other way around, to always get a non-negative value. (S - D) if (S > D), otherwise (D - S)

TVG_BLEND_METHOD_EXCLUSION = 11

< The result is twice the product of the top and bottom layers, subtracted from their sum. s + d - (2 * s * d)

TVG_BLEND_METHOD_HUE = 12

< Combine with HSL(Sh + Ds + Dl) then convert it to RGB.

TVG_BLEND_METHOD_SATURATION = 13

< Combine with HSL(Dh + Ss + Dl) then convert it to RGB.

TVG_BLEND_METHOD_COLOR = 14

< Combine with HSL(Sh + Ss + Dl) then convert it to RGB.

TVG_BLEND_METHOD_LUMINOSITY = 15

< Combine with HSL(Dh + Ds + Sl) then convert it to RGB.

TVG_BLEND_METHOD_ADD = 16

< Simply adds pixel values of one layer with the other. (S + D)

TVG_BLEND_METHOD_COMPOSITION = 255

< Used for intermediate composition. @since 1.0

Trait Implementations

impl Clone for Tvg_Blend_Method

fn clone(&self) -> Tvg_Blend_Method

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Tvg_Blend_Method

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Hash for Tvg_Blend_Method

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for Tvg_Blend_Method

fn eq(&self, other: &Tvg_Blend_Method) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for Tvg_Blend_Method

impl Eq for Tvg_Blend_Method

impl StructuralPartialEq for Tvg_Blend_Method