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🎉 Basic wasm support for svg attrs and svg defs

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This commit is contained in:
Alejandro Alonso 2024-12-26 13:16:37 +01:00 • committed by AzazelN28
parent 751df46dc9
commit 79df616108
12 changed files with 452 additions and 60 deletions
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78
render-wasm/src/render.rs
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@ -1,7 +1,6 @@
use std::collections::HashMap;
use skia::Contains;
use skia_safe as skia;
use std::collections::HashMap;
use uuid::Uuid;
use crate::math;
@ -33,6 +32,7 @@ pub trait Renderable {
fn clip(&self) -> bool;
fn children_ids(&self) -> Vec<Uuid>;
fn image_filter(&self, scale: f32) -> Option<skia::ImageFilter>;
fn is_recursive(&self) -> bool;
}
pub(crate) struct CachedSurfaceImage {
@ -191,6 +191,7 @@ impl RenderState {
skia::SamplingOptions::new(skia::FilterMode::Linear, skia::MipmapMode::Nearest),
Some(&skia::Paint::default()),
);
self.drawing_surface
.canvas()
.clear(skia::Color::TRANSPARENT);
@ -336,8 +337,8 @@ impl RenderState {
// Returns a boolean indicating if the viewbox contains the rendered shapes
fn render_shape_tree(&mut self, root_id: &Uuid, tree: &HashMap<Uuid, impl Renderable>) -> bool {
let element = tree.get(&root_id).unwrap();
let mut is_complete = self.viewbox.area.contains(element.bounds());
if let Some(element) = tree.get(&root_id) {
let mut is_complete = self.viewbox.area.contains(element.bounds());
if !root_id.is_nil() {
if !element.bounds().intersects(self.viewbox.area) || element.hidden() {
@ -348,40 +349,45 @@ impl RenderState {
} else {
self.render_debug_element(element, true);
}
}
let mut paint = skia::Paint::default();
paint.set_blend_mode(element.blend_mode().into());
paint.set_alpha_f(element.opacity());
let filter = element.image_filter(self.viewbox.zoom * self.options.dpr());
if let Some(image_filter) = filter {
paint.set_image_filter(image_filter);
}
let layer_rec = skia::canvas::SaveLayerRec::default().paint(&paint);
// This is needed so the next non-children shape does not carry this shape's transform
self.final_surface.canvas().save_layer(&layer_rec);
self.drawing_surface.canvas().save();
if !root_id.is_nil() {
self.render_single_element(element);
if element.clip() {
self.drawing_surface.canvas().clip_rect(
element.bounds(),
skia::ClipOp::Intersect,
true,
);
let mut paint = skia::Paint::default();
paint.set_blend_mode(element.blend_mode().into());
paint.set_alpha_f(element.opacity());
let filter = element.image_filter(self.viewbox.zoom * self.options.dpr());
if let Some(image_filter) = filter {
paint.set_image_filter(image_filter);
}
let layer_rec = skia::canvas::SaveLayerRec::default().paint(&paint);
// This is needed so the next non-children shape does not carry this shape's transform
self.final_surface.canvas().save_layer(&layer_rec);
self.drawing_surface.canvas().save();
if !root_id.is_nil() {
self.render_single_element(element);
if element.clip() {
self.drawing_surface.canvas().clip_rect(
element.bounds(),
skia::ClipOp::Intersect,
true,
);
}
}
// draw all the children shapes
if element.is_recursive() {
for id in element.children_ids() {
is_complete = self.render_shape_tree(&id, tree) && is_complete;
}
}
self.final_surface.canvas().restore();
self.drawing_surface.canvas().restore();
return is_complete;
} else {
eprintln!("Error: Element with root_id {root_id} not found in the tree.");
return false;
}
// draw all the children shapes
for id in element.children_ids() {
is_complete = self.render_shape_tree(&id, tree) && is_complete;
}
self.final_surface.canvas().restore();
self.drawing_surface.canvas().restore();
return is_complete;
}
}