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Add MemoizeImpure node and cache image base64 in graph (#1595)

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* Cache base64 representation of images when converting to graphic group

* Fix build

* Fix build again

* Actually fix it this time

---------

Co-authored-by: Keavon Chambers <keavon@keavon.com>
This commit is contained in:
Dennis Kobert
2024-02-03 23:16:03 +01:00
co-authored by Keavon Chambers
parent 8fa46ba63a
commit 349ec5da72
12 changed files with 127 additions and 13 deletions
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node-graph/gcore/src/graphic_element/renderer.rs
+19 -6
View File
@@ -1,6 +1,7 @@
mod quad;
use crate::raster::{BlendMode, Image, ImageFrame};
use crate::transform::Transform;
use crate::uuid::{generate_uuid, ManipulatorGroupId};
use crate::{vector::VectorData, Artboard, Color, GraphicElement, GraphicGroup};
pub use quad::Quad;
@@ -262,7 +263,16 @@ impl GraphicElementRendered for GraphicGroup {
self.iter().filter_map(|element| element.bounding_box(transform * self.transform)).reduce(Quad::combine_bounds)
}
fn add_click_targets(&self, _click_targets: &mut Vec<ClickTarget>) {}
fn add_click_targets(&self, click_targets: &mut Vec<ClickTarget>) {
for element in self.elements.iter().cloned() {
let mut new_click_targets = Vec::new();
element.add_click_targets(&mut new_click_targets);
for click_target in new_click_targets.iter_mut() {
click_target.subpath.apply_transform(element.transform())
}
click_targets.extend(new_click_targets);
}
}
fn to_usvg_node(&self) -> usvg::Node {
let root_node = usvg::Node::new(usvg::NodeKind::Group(usvg::Group::default()));
@@ -453,12 +463,15 @@ impl GraphicElementRendered for ImageFrame<Color> {
if image.data.is_empty() {
return;
}
let output = image.to_png();
let preamble = "data:image/png;base64,";
let mut base64_string = String::with_capacity(preamble.len() + output.len() * 4);
base64_string.push_str(preamble);
base64::engine::general_purpose::STANDARD.encode_string(output, &mut base64_string);
let base64_string = image.base64_string.clone().unwrap_or_else(|| {
let output = image.to_png();
let preamble = "data:image/png;base64,";
let mut base64_string = String::with_capacity(preamble.len() + output.len() * 4);
base64_string.push_str(preamble);
base64::engine::general_purpose::STANDARD.encode_string(output, &mut base64_string);
base64_string
});
render.leaf_tag("image", |attributes| {
attributes.push("width", 1.to_string());
attributes.push("height", 1.to_string());