Merge pull request #9035 from quarto-dev/feature/image-data-url-pdf

capture data-uris in mediabag

news/changelog-1.5.md

@@ -104,7 +104,7 @@ All changes included in 1.5:
 
 - ([#8939](https://github.com/quarto-dev/quarto-cli/pull/8939)): `quarto inspect` now takes an additional optional parameter to specify the output file, and provides the graph of include dependencies for the inspection target.
 
-## Other Fixes
+## Other Fixes and Improvements
 
 - ([#8119](https://github.com/quarto-dev/quarto-cli/issues/8119)): More intelligently detect when ejs templates are modified during development, improving quality of life during preview.
 - ([#8177](https://github.com/quarto-dev/quarto-cli/issues/8177)): Use an explicit path to `sysctl` when detecting MacOS architecture. (author: @kevinushey)
@@ -121,5 +121,6 @@ All changes included in 1.5:
 - ([#8937](https://github.com/quarto-dev/quarto-cli/issues/8937)): Fix unix launcher script to properly handle spaces in the path to the quarto executable.
 - ([#8898](https://github.com/quarto-dev/quarto-cli/issues/8898)): `.deb` and `.tar.gz` bundle contents are now associated to root user and group instead of default user and group for CI build runners.
 - Add support for `{{< lipsum >}}` shortcode, which is useful for emitting placeholder text. Specify a specific number of paragraphs (`{{< lipsum 3 >}}`).
+- Resolve data URIs in Pandoc's mediabag when rendering documents.
 - Increase v8's max heap size by default, to avoid out-of-memory errors when rendering large documents (also cf. https://github.com/denoland/deno/issues/18935).
 - Upgrade Deno to 1.41.0

src/resources/filters/quarto-post/pdf-images.lua

@@ -76,6 +76,7 @@ function pdfImages()
       -- See if the path points to an SVG in the media bag
       -- (been generated by a filter, for example)
       return mediabag.with_mediabag_contents(image.src, function (mime_type, tempPath)
+        print(mime_type, tempPath)
         if mime_type == 'image/svg+xml' then
           local convertedPath = call_rsvg_convert(tempPath)
           if convertedPath == nil then
@@ -101,7 +102,9 @@ function pdfImages()
             image.src = mediabag.resolved_url_cache[image.src]
             return image
           end 
-          local relativePath = image.src:match("https?://[%w%$%-%_%.%+%!%*%'%(%)%:%%]+/(.+)")
+
+          local relativePath = image.src:match("https?://[%w%$%-%_%.%+%!%*%'%(%)%:%%]+/(.+)") or
+            image.src:match("data:image/.+;base64,(.+)")
           if not (relativePath or param("has-resource-path", false)) then
             return nil
           end