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♻️ Move rendering a single shape to the shape itself

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This commit is contained in:
Belén Albeza 2024-12-10 15:29:49 +01:00
parent 001aa3f319
commit 967bc75a1c
5 changed files with 121 additions and 72 deletions
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94
render-wasm/src/render.rs
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@ -1,18 +1,30 @@
mod gpu_state;
mod options;
use skia::Contains;
use skia_safe as skia;
use std::collections::HashMap;
use uuid::Uuid;
use crate::math::Rect;
use crate::shapes::{draw_image_in_container, Fill, Image, Kind, Shape};
use crate::shapes::{Image, Shape};
use crate::view::Viewbox;
mod blend;
mod gpu_state;
mod options;
use gpu_state::GpuState;
use options::RenderOptions;
pub use blend::BlendMode;
pub trait Renderable {
fn render(
&self,
surface: &mut skia::Surface,
images: &HashMap<Uuid, Image>,
) -> Result<(), String>;
fn blend_mode(&self) -> BlendMode;
fn opacity(&self) -> f32;
}
pub(crate) struct CachedSurfaceImage {
pub image: Image,
pub viewbox: Viewbox,
@ -133,39 +145,15 @@ impl RenderState {
.reset_matrix();
}
pub fn render_single_shape(&mut self, shape: &Shape) {
let mut transform = skia::Matrix::new_identity();
let (translate_x, translate_y) = shape.translation();
let (scale_x, scale_y) = shape.scale();
let (skew_x, skew_y) = shape.skew();
transform.set_all(
scale_x,
skew_x,
translate_x,
skew_y,
scale_y,
translate_y,
0.,
0.,
1.,
);
// Check transform-matrix code from common/src/app/common/geom/shapes/transforms.cljc
let center = shape.selrect.center();
let mut matrix = skia::Matrix::new_identity();
matrix.pre_translate(center);
matrix.pre_concat(&transform);
matrix.pre_translate(-center);
self.drawing_surface.canvas().concat(&matrix);
for fill in shape.fills().rev() {
self.render_fill(fill, shape.selrect, &shape.kind);
}
pub fn render_single_element(&mut self, element: &impl Renderable) {
element
.render(&mut self.drawing_surface, &self.images)
.unwrap();
let mut paint = skia::Paint::default();
paint.set_blend_mode(shape.blend_mode.into());
paint.set_alpha_f(shape.opacity);
paint.set_blend_mode(element.blend_mode().into());
paint.set_alpha_f(element.opacity());
self.drawing_surface.draw(
&mut self.final_surface.canvas(),
(0.0, 0.0),
@ -217,38 +205,6 @@ impl RenderState {
self.flush();
}
fn render_fill(&mut self, fill: &Fill, selrect: Rect, kind: &Kind) {
match (fill, kind) {
(Fill::Image(image_fill), kind) => {
let image = self.images.get(&image_fill.id());
if let Some(image) = image {
draw_image_in_container(
&self.drawing_surface.canvas(),
&image,
image_fill.size(),
kind,
&fill.to_paint(&selrect),
);
}
}
(_, Kind::Rect(rect)) => {
self.drawing_surface
.canvas()
.draw_rect(rect, &fill.to_paint(&selrect));
}
(_, Kind::Circle(rect)) => {
self.drawing_surface
.canvas()
.draw_oval(rect, &fill.to_paint(&selrect));
}
(_, Kind::Path(path)) => {
self.drawing_surface
.canvas()
.draw_path(&path.to_skia_path(), &fill.to_paint(&selrect));
}
}
}
fn render_all_from_cache(&mut self) -> Result<(), String> {
self.reset_canvas();
@ -353,7 +309,7 @@ impl RenderState {
self.drawing_surface.canvas().save();
if !id.is_nil() {
self.render_single_shape(shape);
self.render_single_element(shape);
if shape.clip_content {
self.drawing_surface.canvas().clip_rect(
shape.selrect,