feat(exporter::svg): disable inlined svg

exporter/svg/src/backend/mod.rs

@@ -35,6 +35,8 @@ pub trait NotifyPaint {
 }
 
 pub trait DynExportFeature {
+    fn enable_inlined_svg(&self) -> bool;
+
     fn should_render_text_element(&self) -> bool;
 
     fn use_stable_glyph_id(&self) -> bool;
@@ -487,8 +489,9 @@ impl<
         self.content.push(render_path(path, state, abs_ref))
     }
 
-    fn render_image(&mut self, _ctx: &mut C, image_item: &ir::ImageItem) {
-        self.content.push(render_image_item(image_item))
+    fn render_image(&mut self, ctx: &mut C, image_item: &ir::ImageItem) {
+        self.content
+            .push(render_image_item(image_item, ctx.enable_inlined_svg()))
     }
 
     #[inline]
@@ -687,12 +690,14 @@ fn render_path(path: &ir::PathItem, state: RenderState, abs_ref: &Fingerprint) -
 
 /// Render a [`ir::ImageItem`] into svg text.
 #[comemo::memoize]
-fn render_image_item(img: &ir::ImageItem) -> SvgText {
-    match &img.image.alt {
-        Some(t) if t.as_ref() == "!typst-inlined-svg" => {
-            return SvgText::Plain(String::from_utf8(img.image.data.clone()).unwrap())
+fn render_image_item(img: &ir::ImageItem, enable_inlined: bool) -> SvgText {
+    if enable_inlined {
+        match &img.image.alt {
+            Some(t) if t.as_ref() == "!typst-inlined-svg" => {
+                return SvgText::Plain(String::from_utf8(img.image.data.clone()).unwrap())
+            }
+            _ => {}
         }
-        _ => {}
     }
 
     SvgText::Plain(render_image(&img.image, img.size, true, ""))

exporter/svg/src/frontend/context.rs

@@ -73,6 +73,11 @@ pub struct RenderContext<'m, 't, Feat: ExportFeature> {
 }
 
 impl<'m, 't, Feat: ExportFeature> DynExportFeature for RenderContext<'m, 't, Feat> {
+    #[inline]
+    fn enable_inlined_svg(&self) -> bool {
+        Feat::ENABLE_INLINED_SVG
+    }
+
     #[inline]
     fn should_render_text_element(&self) -> bool {
         Feat::SHOULD_RENDER_TEXT_ELEMENT && self.should_render_text_element

exporter/svg/src/frontend/incremental.rs

@@ -24,6 +24,7 @@ use crate::{
 struct IncrementalExportFeature;
 
 impl ExportFeature for IncrementalExportFeature {
+    const ENABLE_INLINED_SVG: bool = false;
     const ENABLE_TRACING: bool = false;
     const SHOULD_ATTACH_DEBUG_INFO: bool = false;
     const SHOULD_RENDER_TEXT_ELEMENT: bool = true;

exporter/svg/src/lib.rs

@@ -50,6 +50,9 @@ pub trait ExportFeature {
     /// Whether to attach debug info to svg elements.
     const SHOULD_ATTACH_DEBUG_INFO: bool;
 
+    /// Whether to enable inlined svg.
+    const ENABLE_INLINED_SVG: bool;
+
     /// Whether to render text element.
     /// The text elements is selectable and searchable.
     const SHOULD_RENDER_TEXT_ELEMENT: bool;
@@ -76,6 +79,7 @@ pub struct DefaultExportFeature;
 pub type DefaultSvgTask = SvgTask<DefaultExportFeature>;
 
 impl ExportFeature for DefaultExportFeature {
+    const ENABLE_INLINED_SVG: bool = false;
     const ENABLE_TRACING: bool = false;
     const SHOULD_ATTACH_DEBUG_INFO: bool = false;
     const SHOULD_RENDER_TEXT_ELEMENT: bool = true;
@@ -90,6 +94,7 @@ pub struct SvgExportFeature;
 pub type PlainSvgTask = SvgTask<SvgExportFeature>;
 
 impl ExportFeature for SvgExportFeature {
+    const ENABLE_INLINED_SVG: bool = false;
     const ENABLE_TRACING: bool = false;
     const SHOULD_ATTACH_DEBUG_INFO: bool = false;
     const SHOULD_RENDER_TEXT_ELEMENT: bool = true;