include emoji font for PDF generation

useful for servers which don't have many fonts installed

we use Mozilla's Twemoji here because it is smaller than Noto Color
Emoji

3 files changed, 8 insertions, 6 deletions

diff --git a/fietsboek/pdf-assets/Twemoji.Mozilla.ttf b/fietsboek/pdf-assets/Twemoji.Mozilla.ttf
new file mode 100644
index 0000000..9f45178
--- /dev/null
+++ b/fietsboek/pdf-assets/Twemoji.Mozilla.ttf
diff --git a/fietsboek/pdf-assets/overview.typ b/fietsboek/pdf-assets/overview.typ
index 8628c81..dd0d3b0 100644
--- a/fietsboek/pdf-assets/overview.typ
+++ b/fietsboek/pdf-assets/overview.typ
@@ -1,5 +1,5 @@
 #set page(margin: 1cm)
-#set text(font: "Nunito")
+#set text(font: ("Nunito", "Twemoji Mozilla"))
 
 #show heading.where(level: 1): set align(center)
 #show heading.where(level: 1): set text(size: 20pt)
diff --git a/fietsboek/pdf.py b/fietsboek/pdf.py
index de6e50d..5b2a3ba 100644
--- a/fietsboek/pdf.py
+++ b/fietsboek/pdf.py
@@ -261,11 +261,8 @@ def generate(
         temp_dir = Path(temp_dir_name)
         LOGGER.debug("New PDF generation in %s", temp_dir)
 
-        # importlib.resources.read_bytes cannot handle subdirs in 3.11
-        font_data = (
-            importlib.resources.files("fietsboek").joinpath("pdf-assets/Nunito.ttf").read_bytes()
-        )
-        (temp_dir / "Nunito.ttf").write_bytes(font_data)
+        _copy_font("Nunito.ttf", temp_dir)
+        _copy_font("Twemoji.Mozilla.ttf", temp_dir)
 
         draw_map(track, requester, tile_layer, temp_dir / "mapimage.png")
         LOGGER.debug("%s: map drawn", temp_dir)
@@ -286,4 +283,9 @@ def generate(
         return pdf_bytes
 
 
+def _copy_font(name: str, outdir: Path):
+    data = importlib.resources.files("fietsboek").joinpath(f"pdf-assets/{name}").read_bytes()
+    (outdir / name).write_bytes(data)
+
+
 __all__ = ["generate"]