Struct Pattern

pub struct Pattern<'a> { /* private fields */ }

A pattern shader.

Essentially a SkImageShader.

Unlike Skia, we do not support FilterQuality::Medium, because it involves mipmap generation, which adds too much complexity.

Implementations

impl<'a> Pattern<'a>

pub fn new( pixmap: PixmapRef<'a>, spread_mode: SpreadMode, quality: FilterQuality, opacity: f32, transform: Transform, ) -> Shader<'_>

Creates a new pattern shader.

opacity will be clamped to the 0..=1 range.

Examples found in repository

examples/pattern.rs (lines 8-14)

fn main() {
    let triangle = crate_triangle();

    let mut paint = Paint::default();
    paint.anti_alias = true;
    paint.shader = Pattern::new(
        triangle.as_ref(),
        SpreadMode::Repeat,
        FilterQuality::Bicubic,
        1.0,
        Transform::from_row(1.5, -0.4, 0.0, -0.8, 5.0, 1.0),
    );

    let path = PathBuilder::from_circle(200.0, 200.0, 180.0).unwrap();

    let mut pixmap = Pixmap::new(400, 400).unwrap();
    pixmap.fill_path(
        &path,
        &paint,
        FillRule::Winding,
        Transform::identity(),
        None,
    );
    pixmap.save_png("image.png").unwrap();
}

Trait Implementations

impl<'a> Clone for Pattern<'a>

fn clone(&self) -> Pattern<'a>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for Pattern<'a>

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

Formats the value using the given formatter.

impl<'a> PartialEq for Pattern<'a>

fn eq(&self, other: &Pattern<'a>) -> 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<'a> StructuralPartialEq for Pattern<'a>