From 9afdb32a9385204c13018198a136637ad599df47 Mon Sep 17 00:00:00 2001
From: Scott Worley <scottworley@scottworley.com>
Date: Sun, 31 Dec 2023 14:27:10 -0800
Subject: [PATCH] Learning TeX: Keep icon image size in TeX

---
 args.py               |  5 +++--
 glowfic.py            | 17 ++++++++---------
 paperdoorknob.py      |  3 ++-
 paperdoorknob_test.py |  7 +++++--
 spec.py               |  1 +
 5 files changed, 19 insertions(+), 14 deletions(-)

diff --git a/args.py b/args.py
index fc7a0f7..45c080a 100644
--- a/args.py
+++ b/args.py
@@ -89,9 +89,9 @@ def spec_from_commandline_args() -> Iterator[Spec]:
     texifier = PandocTexifier(args.pandoc or 'pandoc')
     layout: Layout
     if args.layout == 'below':
-        layout = BelowIconLayout(texifier, args.image_size)
+        layout = BelowIconLayout(texifier)
     elif args.layout == 'beside':
-        layout = BesideIconLayout(texifier, args.image_size)
+        layout = BesideIconLayout(texifier)
     else:
         raise ValueError(f'Unknown layout: {args.layout}')
     log = (lambda _: None) if args.quiet else _print_status
@@ -104,6 +104,7 @@ def spec_from_commandline_args() -> Iterator[Spec]:
                 lambda x: ApplyHTMLFilters(args.htmlfilters, x),
                 lambda x: ApplyDOMFilters(args.domfilters, x),
                 lambda x: ApplyTexFilters(args.texfilters, x),
+                args.image_size,
                 layout,
                 args.geometry,
                 texout,
diff --git a/glowfic.py b/glowfic.py
index bda6d19..4c108b8 100644
--- a/glowfic.py
+++ b/glowfic.py
@@ -111,11 +111,12 @@ def makeChunk(chunk_dom: Tag, image_store: ImageStore) -> Chunk:
                  content)
 
 
-def renderIcon(icon_path: str | None, image_size: float) -> bytes | None:
+def renderIcon(icon_path: str | None) -> bytes | None:
     if icon_path is None:
         return None
-    return br'\includegraphics[width=%fmm,height=%fmm,keepaspectratio]{%s}' % (
-        image_size, image_size, icon_path.encode('UTF-8'))
+    return (
+        br'\includegraphics[width=\glowiconsize,height=\glowiconsize,keepaspectratio]{%s}' %
+        icon_path.encode('UTF-8'))
 
 
 class Layout(ABC):
@@ -136,12 +137,11 @@ class ContentOnlyLayout(Layout):
 
 class BelowIconLayout(Layout):
 
-    def __init__(self, texifier: Texifier, image_size: float) -> None:
+    def __init__(self, texifier: Texifier) -> None:
         self._texifier = texifier
-        self._image_size = image_size
 
     def renderChunk(self, chunk: Chunk) -> bytes:
-        icon = renderIcon(chunk.icon, self._image_size)
+        icon = renderIcon(chunk.icon)
         meta = [icon] if icon else []
         meta += [self._texifier.texify(x)
                  for x in [chunk.character, chunk.screen_name, chunk.author]
@@ -175,12 +175,11 @@ class BelowIconLayout(Layout):
 
 class BesideIconLayout(Layout):
 
-    def __init__(self, texifier: Texifier, image_size: float) -> None:
+    def __init__(self, texifier: Texifier) -> None:
         self._texifier = texifier
-        self._image_size = image_size
 
     def renderChunk(self, chunk: Chunk) -> bytes:
-        icon = renderIcon(chunk.icon, self._image_size)
+        icon = renderIcon(chunk.icon)
         meta = [
             chunk.character,
             chunk.screen_name,
diff --git a/paperdoorknob.py b/paperdoorknob.py
index a19045c..8183136 100644
--- a/paperdoorknob.py
+++ b/paperdoorknob.py
@@ -36,7 +36,8 @@ def process(spec: Spec) -> None:
                           b']{geometry}\n')
     spec.texout.write(br'''\begin{document}
 \newcommand{\href}[2]{#2\footnote{\detokenize{#1}}}
-''')
+\def\glowiconsize{%fmm}
+''' % spec.icon_size)
     url = flatURL(spec.url)
     spec.log('Fetching HTML...\r')
     html = spec.fetcher.fetch(url)
diff --git a/paperdoorknob_test.py b/paperdoorknob_test.py
index 61c8e6a..286d6a9 100644
--- a/paperdoorknob_test.py
+++ b/paperdoorknob_test.py
@@ -42,6 +42,7 @@ class BaseTestProcess(ABC):
             lambda x: x,
             lambda x: None,
             lambda x: x,
+            20,
             ContentOnlyLayout(PandocTexifier('pandoc')),
             'margin=20mm',
             buf,
@@ -50,7 +51,7 @@ class BaseTestProcess(ABC):
         assert re.match(br'''\\documentclass{article}
 (\\usepackage{[a-z]+}\n)+\\usepackage\[margin=20mm\]{geometry}
 \\begin{document}
-.*
+(.|\n)*
 This is \\href{https://glowfic.com}{glowfic}
 
 You \\emph{sure}\?
@@ -71,6 +72,7 @@ Pretty sure.
             lambda x: x,
             lambda x: None,
             lambda x: x,
+            20,
             ContentOnlyLayout(texifier),
             None,
             buf,
@@ -86,7 +88,8 @@ Pretty sure.
                 lambda x: x,
                 lambda x: None,
                 lambda x: x,
-                BesideIconLayout(PandocTexifier('pandoc'), 20),
+                20,
+                BesideIconLayout(PandocTexifier('pandoc')),
                 None,
                 out,
                 lambda _: None)
diff --git a/spec.py b/spec.py
index 2eccbb5..c4975b5 100644
--- a/spec.py
+++ b/spec.py
@@ -25,6 +25,7 @@ class Spec:
     htmlfilter: Callable[[bytes], bytes]
     domfilter: Callable[[Tag], None]
     texfilter: Callable[[bytes], bytes]
+    icon_size: float
     layout: Layout
     geometry: str | None
     texout: IO[bytes]
-- 
2.44.1