🎇 Update tex image width (#1612)

jupyter-book · Oct 30, 2024 · 3ce5404 · 3ce5404
1 parent 1837772
commit 3ce5404
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Showing 3 changed files with 23 additions and 2 deletions.
diff --git a/.changeset/eleven-kings-repeat.md b/.changeset/eleven-kings-repeat.md
@@ -0,0 +1,5 @@
+---
+"tex-to-myst": patch
+---
+
+Update width of image
diff --git a/packages/tex-to-myst/src/figures.ts b/packages/tex-to-myst/src/figures.ts
@@ -44,8 +44,19 @@ const FIGURE_HANDLERS: Record<string, Handler> = {
   macro_includegraphics(node, state) {
     state.closeParagraph();
     const url = texToText(getArguments(node, 'group'));
-    // TODO: width, placement, etc.
-    state.pushNode(u('image', { url }));
+    const args = getArguments(node, 'argument')?.[0].content;
+    // TODO: better width, placement, etc.
+    if (
+      args.length === 4 &&
+      args[0].content === 'width' &&
+      args[1].content === '=' &&
+      Number.isFinite(Number.parseFloat(args[2].content))
+    ) {
+      const width = `${Math.round(Number.parseFloat(args[2].content) * 100)}%`;
+      state.pushNode(u('image', { url, width }));
+    } else {
+      state.pushNode(u('image', { url }));
+    }
   },
   macro_caption: renderCaption,
   macro_captionof: renderCaption,

diff --git a/packages/tex-to-myst/tests/figures.yml b/packages/tex-to-myst/tests/figures.yml
@@ -19,6 +19,7 @@ cases:
           children:
             - type: image
               url: figures/my_pic.png
+              width: 100%
             - type: caption
               children:
                 - type: paragraph
@@ -50,6 +51,7 @@ cases:
           children:
             - type: image
               url: fig.jpg
+              width: 95%
         - type: paragraph
           children:
             - type: text
@@ -78,6 +80,7 @@ cases:
           children:
             - type: image
               url: img/Figure 4.png
+              width: 80%
             - type: caption
               children:
                 - type: paragraph
@@ -98,6 +101,7 @@ cases:
           children:
             - type: image
               url: figures/wiki-complex.png
+              width: 70%
   - title: subfigure
     tex: |-
       \begin{figure}
@@ -207,6 +211,7 @@ cases:
           children:
             - type: image
               url: figures/my_pic.png
+              width: 100%
             - type: caption
               children:
                 - type: paragraph