initial commit

2026-09-21 13:41:40 +09:00
commit 855c7328df
411 changed files with 85352 additions and 0 deletions
@@ -0,0 +1,75 @@
+#!/usr/bin/env python3
+"""Author deterministic unembedded Japanese CID H/V fixtures (ReportLab)."""
+import hashlib
+import json
+from pathlib import Path
+
+from pypdf import PdfReader
+from reportlab.pdfbase import pdfmetrics
+from reportlab.pdfbase.cidfonts import UnicodeCIDFont
+from reportlab.pdfgen.canvas import Canvas
+
+ROOT = Path(__file__).resolve().parent / "fonts"
+ROOT.mkdir(exist_ok=True)
+OUTPUT = ROOT / "unembedded-japanese.pdf"
+TEXTS = ["日本語の文書を表示します。", "漢字とひらがな、カタカナ。", "「縦書き」の句読点を確認。"]
+for face in ("HeiseiMin-W3", "HeiseiKakuGo-W5"):
+    for vertical in (False, True):
+        font = UnicodeCIDFont(face, isVertical=vertical)
+        font.name = font.fontName = face + ("-V" if vertical else "-H")
+        pdfmetrics.registerFont(font)
+
+canvas = Canvas(str(OUTPUT), pagesize=(600, 760), invariant=1, pageCompression=0)
+canvas.setTitle("DocView unembedded Japanese CID H/V fixture")
+canvas.setAuthor("DocView synthetic test corpus")
+for page, vertical in enumerate((False, True), 1):
+    canvas.setFont("Helvetica-Bold", 16)
+    canvas.drawString(36, 722, "Unembedded Japanese CID fonts")
+    canvas.setFont("Helvetica", 11)
+    canvas.drawString(36, 700, "UniJIS-UCS2-" + ("V: native vertical writing mode" if vertical else "H: horizontal writing mode"))
+    for row, face in enumerate(("HeiseiMin-W3", "HeiseiKakuGo-W5")):
+        canvas.setFont("Helvetica", 10)
+        if vertical:
+            canvas.drawString(330 - row * 280, 660, face)
+            for col, text in enumerate(TEXTS):
+                canvas.setFont(face + "-V", 20)
+                canvas.drawString(520 - row * 280 - col * 62, 620, text)
+        else:
+            canvas.drawString(36, 648 - row * 260, face)
+            canvas.setFont(face + "-H", 20)
+            for line, text in enumerate(TEXTS):
+                canvas.drawString(36, 610 - row * 260 - line * 42, text)
+    canvas.setFont("Helvetica", 9)
+    canvas.drawString(36, 28, f"Synthetic fixture / page {page} / no font program embedded")
+    canvas.showPage()
+canvas.save()
+
+reader = PdfReader(OUTPUT)
+encodings = set()
+for page in reader.pages:
+    for ref in page["/Resources"]["/Font"].values():
+        font = ref.get_object()
+        if font.get("/Subtype") != "/Type0":
+            continue
+        encodings.add(str(font["/Encoding"]))
+        for descendant in font["/DescendantFonts"]:
+            descriptor = descendant.get_object()["/FontDescriptor"].get_object()
+            assert not any(key in descriptor for key in ("/FontFile", "/FontFile2", "/FontFile3"))
+assert encodings == {"/UniJIS-UCS2-H", "/UniJIS-UCS2-V"}, encodings
+manifest = {
+    "schemaVersion": 1,
+    "generator": "generate_fonts.py (ReportLab UnicodeCIDFont, invariant PDF)",
+    "documents": [{
+        "file": OUTPUT.name,
+        "sha256": hashlib.sha256(OUTPUT.read_bytes()).hexdigest(),
+        "pages": 2,
+        "sizePt": [600, 760],
+        "fontProgramsEmbedded": False,
+        "encodings": sorted(encodings),
+        "faces": ["HeiseiMin-W3", "HeiseiKakuGo-W5"],
+        "expectedText": TEXTS,
+        "writingModes": ["horizontal", "vertical"],
+    }],
+}
+(ROOT / "manifest.json").write_text(json.dumps(manifest, ensure_ascii=False, indent=2) + "\n")
+print(json.dumps(manifest, ensure_ascii=False, indent=2))