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Merge pull request #6379 from penpot/ladybenko-10753-fills-serialization
🎉 Serialize as bytes all fill kinds
This commit is contained in:
Elena Torró
GitHub
commit
46709fb02e
11 changed files with 358 additions and 329 deletions
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@ -1,118 +1,39 @@
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use skia_safe::{self as skia, Rect};
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use super::Color;
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pub use super::Color;
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use crate::uuid::Uuid;
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const MAX_GRADIENT_STOPS: usize = 16;
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const BASE_GRADIENT_DATA_SIZE: usize = 28;
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const RAW_GRADIENT_DATA_SIZE: usize =
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BASE_GRADIENT_DATA_SIZE + RAW_STOP_DATA_SIZE * MAX_GRADIENT_STOPS;
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#[derive(Debug)]
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#[repr(C)]
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pub struct RawGradientData {
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start_x: f32,
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start_y: f32,
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end_x: f32,
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end_y: f32,
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opacity: f32,
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width: f32,
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stop_count: u32,
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stops: [RawStopData; MAX_GRADIENT_STOPS],
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}
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impl From<[u8; RAW_GRADIENT_DATA_SIZE]> for RawGradientData {
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fn from(bytes: [u8; RAW_GRADIENT_DATA_SIZE]) -> Self {
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Self {
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start_x: f32::from_le_bytes([bytes[0], bytes[1], bytes[2], bytes[3]]),
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start_y: f32::from_le_bytes([bytes[4], bytes[5], bytes[6], bytes[7]]),
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end_x: f32::from_le_bytes([bytes[8], bytes[9], bytes[10], bytes[11]]),
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end_y: f32::from_le_bytes([bytes[12], bytes[13], bytes[14], bytes[15]]),
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opacity: f32::from_le_bytes([bytes[16], bytes[17], bytes[18], bytes[19]]),
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width: f32::from_le_bytes([bytes[20], bytes[21], bytes[22], bytes[23]]),
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stop_count: u32::from_le_bytes([bytes[24], bytes[25], bytes[26], bytes[27]]),
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// FIXME: 2025-04-22: use `array_chunks` once the next release is out
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// and we update our devenv.
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// See https://github.com/rust-lang/rust/issues/74985
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stops: bytes[28..]
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.chunks_exact(RAW_STOP_DATA_SIZE)
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.map(|chunk| RawStopData::try_from(chunk).unwrap())
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.collect::<Vec<_>>()
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.try_into()
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.unwrap(),
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}
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}
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}
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impl RawGradientData {
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pub fn start(&self) -> (f32, f32) {
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(self.start_x, self.start_y)
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}
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pub fn end(&self) -> (f32, f32) {
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(self.end_x, self.end_y)
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}
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pub fn opacity(&self) -> f32 {
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self.opacity
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}
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pub fn width(&self) -> f32 {
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self.width
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}
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}
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pub const RAW_STOP_DATA_SIZE: usize = 8;
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#[derive(Debug)]
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#[repr(C)]
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pub struct RawStopData {
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color: u32,
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offset: f32,
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}
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impl RawStopData {
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pub fn color(&self) -> skia::Color {
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skia::Color::from(self.color)
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}
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pub fn offset(&self) -> f32 {
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self.offset
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}
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}
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impl From<[u8; RAW_STOP_DATA_SIZE]> for RawStopData {
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fn from(bytes: [u8; RAW_STOP_DATA_SIZE]) -> Self {
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Self {
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color: u32::from_le_bytes([bytes[0], bytes[1], bytes[2], bytes[3]]),
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offset: f32::from_le_bytes([bytes[4], bytes[5], bytes[6], bytes[7]]),
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}
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}
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}
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// FIXME: We won't need this once we use `array_chunks`. See comment above.
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impl TryFrom<&[u8]> for RawStopData {
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type Error = String;
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fn try_from(bytes: &[u8]) -> Result<Self, Self::Error> {
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let data: [u8; RAW_STOP_DATA_SIZE] = bytes
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.try_into()
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.map_err(|_| "Invalid stop data".to_string())?;
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Ok(RawStopData::from(data))
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}
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}
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#[derive(Debug, Clone, PartialEq)]
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pub struct Gradient {
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colors: Vec<Color>,
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offsets: Vec<f32>,
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opacity: f32,
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start: (f32, f32),
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end: (f32, f32),
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opacity: u8,
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width: f32,
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colors: Vec<Color>,
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offsets: Vec<f32>,
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}
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impl Gradient {
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pub fn new(
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start: (f32, f32),
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end: (f32, f32),
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opacity: u8,
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width: f32,
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stops: &[(Color, f32)],
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) -> Self {
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let mut gradient = Gradient {
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start,
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end,
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opacity,
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colors: vec![],
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offsets: vec![],
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width,
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};
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gradient.add_stops(stops);
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gradient
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}
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fn add_stops(&mut self, stops: &[(Color, f32)]) {
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let colors = stops.iter().map(|(color, _)| *color);
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let offsets = stops.iter().map(|(_, offset)| *offset);
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@ -173,52 +94,24 @@ impl Gradient {
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}
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}
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impl From<RawGradientData> for Gradient {
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fn from(raw_gradient: RawGradientData) -> Self {
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let stops = raw_gradient
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.stops
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.iter()
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.take(raw_gradient.stop_count as usize)
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.map(|stop| (stop.color(), stop.offset()))
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.collect::<Vec<_>>();
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let mut gradient = Gradient {
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start: raw_gradient.start(),
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end: raw_gradient.end(),
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opacity: raw_gradient.opacity(),
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colors: vec![],
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offsets: vec![],
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width: raw_gradient.width(),
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};
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gradient.add_stops(&stops);
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gradient
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}
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}
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impl TryFrom<&[u8]> for Gradient {
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type Error = String;
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fn try_from(bytes: &[u8]) -> Result<Self, Self::Error> {
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let raw_gradient_bytes: [u8; RAW_GRADIENT_DATA_SIZE] = bytes[0..RAW_GRADIENT_DATA_SIZE]
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.try_into()
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.map_err(|_| "Invalid gradient data".to_string())?;
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let gradient = RawGradientData::from(raw_gradient_bytes).into();
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Ok(gradient)
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}
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}
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#[derive(Debug, Clone, PartialEq)]
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pub struct ImageFill {
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id: Uuid,
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opacity: u8,
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height: i32,
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width: i32,
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height: i32,
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}
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impl ImageFill {
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pub fn new(id: Uuid, opacity: u8, width: i32, height: i32) -> Self {
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Self {
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id,
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opacity,
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width,
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height,
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}
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}
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pub fn size(&self) -> (i32, i32) {
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(self.width, self.height)
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}
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@ -228,27 +121,21 @@ impl ImageFill {
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}
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}
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#[derive(Debug, Clone, PartialEq, Copy)]
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pub struct SolidColor(pub Color);
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#[derive(Debug, Clone, PartialEq)]
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pub enum Fill {
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Solid(Color),
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Solid(SolidColor),
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LinearGradient(Gradient),
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RadialGradient(Gradient),
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Image(ImageFill),
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}
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impl Fill {
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pub fn new_image_fill(id: Uuid, opacity: u8, (width, height): (i32, i32)) -> Self {
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Self::Image(ImageFill {
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id,
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opacity,
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height,
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width,
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})
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}
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pub fn to_paint(&self, rect: &Rect, anti_alias: bool) -> skia::Paint {
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match self {
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Self::Solid(color) => {
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Self::Solid(SolidColor(color)) => {
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let mut p = skia::Paint::default();
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p.set_color(*color);
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p.set_style(skia::PaintStyle::Fill);
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@ -259,7 +146,7 @@ impl Fill {
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Self::LinearGradient(gradient) => {
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let mut p = skia::Paint::default();
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p.set_shader(gradient.to_linear_shader(rect));
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p.set_alpha((gradient.opacity * 255.) as u8);
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p.set_alpha(gradient.opacity);
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p.set_style(skia::PaintStyle::Fill);
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p.set_anti_alias(anti_alias);
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p.set_blend_mode(skia::BlendMode::SrcOver);
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@ -268,7 +155,7 @@ impl Fill {
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Self::RadialGradient(gradient) => {
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let mut p = skia::Paint::default();
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p.set_shader(gradient.to_radial_shader(rect));
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p.set_alpha((gradient.opacity * 255.) as u8);
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p.set_alpha(gradient.opacity);
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p.set_style(skia::PaintStyle::Fill);
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p.set_anti_alias(anti_alias);
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p.set_blend_mode(skia::BlendMode::SrcOver);
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@ -1,4 +1,4 @@
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use crate::shapes::fills::Fill;
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use crate::shapes::fills::{Fill, SolidColor};
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use skia_safe::{self as skia, Rect};
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use std::collections::HashMap;
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@ -78,10 +78,9 @@ impl Stroke {
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}
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pub fn new_center_stroke(width: f32, style: u8, cap_start: u8, cap_end: u8) -> Self {
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let transparent = skia::Color::from_argb(0, 0, 0, 0);
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Stroke {
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fill: Fill::Solid(transparent),
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width: width,
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fill: Fill::Solid(SolidColor(skia::Color::TRANSPARENT)),
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width,
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style: StrokeStyle::from(style),
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cap_end: StrokeCap::from(cap_end),
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cap_start: StrokeCap::from(cap_start),
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@ -90,10 +89,9 @@ impl Stroke {
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}
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pub fn new_inner_stroke(width: f32, style: u8, cap_start: u8, cap_end: u8) -> Self {
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let transparent = skia::Color::from_argb(0, 0, 0, 0);
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Stroke {
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fill: Fill::Solid(transparent),
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width: width,
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fill: Fill::Solid(SolidColor(skia::Color::TRANSPARENT)),
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width,
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style: StrokeStyle::from(style),
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cap_end: StrokeCap::from(cap_end),
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cap_start: StrokeCap::from(cap_start),
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@ -102,10 +100,9 @@ impl Stroke {
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}
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pub fn new_outer_stroke(width: f32, style: u8, cap_start: u8, cap_end: u8) -> Self {
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let transparent = skia::Color::from_argb(0, 0, 0, 0);
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Stroke {
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fill: Fill::Solid(transparent),
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width: width,
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fill: Fill::Solid(SolidColor(skia::Color::TRANSPARENT)),
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width,
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style: StrokeStyle::from(style),
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cap_end: StrokeCap::from(cap_end),
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cap_start: StrokeCap::from(cap_start),
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