Revert "PDF: Add font fallback on a pragraph level (Z#23203886)"

This reverts commit 10b5f76356.

src/pretix/helpers/reportlab.py

@@ -19,20 +19,11 @@
 # You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
 # <https://www.gnu.org/licenses/>.
 #
-import logging
-
 from arabic_reshaper import ArabicReshaper
 from django.conf import settings
 from django.utils.functional import SimpleLazyObject
 from PIL import Image
-from reportlab.lib.styles import ParagraphStyle
 from reportlab.lib.utils import ImageReader
-from reportlab.pdfbase import pdfmetrics
-from reportlab.platypus import Paragraph
-
-from pretix.presale.style import get_fonts
-
-logger = logging.getLogger(__name__)
 
 
 class ThumbnailingImageReader(ImageReader):
@@ -68,33 +59,3 @@ reshaper = SimpleLazyObject(lambda: ArabicReshaper(configuration={
     'delete_harakat': True,
     'support_ligatures': False,
 }))
-
-
-class FontFallbackParagraph(Paragraph):
-    def __init__(self, text, style=None, *args, **kwargs):
-        if style is None:
-            style = ParagraphStyle(name='paragraphImplicitDefaultStyle')
-
-        if not self._font_supports_text(text, style.fontName):
-            newFont = self._find_font(text, style.fontName)
-            if newFont:
-                logger.debug(f"replacing {style.fontName} with {newFont} for {text!r}")
-                style = style.clone(name=style.name + '_' + newFont, fontName=newFont)
-
-        super().__init__(text, style, *args, **kwargs)
-
-    def _font_supports_text(self, text, font_name):
-        font = pdfmetrics.getFont(font_name)
-        return all(
-            ord(c) in font.face.charToGlyph or not c.isprintable()
-            for c in text
-        )
-
-    def _find_font(self, text, original_font):
-        for family, styles in get_fonts(pdf_support_required=True).items():
-            if self._font_supports_text(text, family):
-                if (original_font.endswith("It") or original_font.endswith(" I")) and "italic" in styles:
-                    return family + " I"
-                if (original_font.endswith("Bd") or original_font.endswith(" B")) and "bold" in styles:
-                    return family + " B"
-                return family