yrriban/doomcc
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Handle really long map names by wrapping them.

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This is set to 75% of the image width by default and is (not yet)
configurable.
This commit is contained in:
yrriban 2025-09-02 02:12:12 -04:00
parent 7317674e4c
commit 9d1eec78fb
1 changed files with 35 additions and 3 deletions
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38
dcc/text.py
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@ -1,11 +1,13 @@
import dcc.config
import dcc.doom_base
import sys
import textwrap
import wand.drawing
import wand.image
def draw_text(self, img, text, font_size=64):
def draw_text(self, img, text, font_size=64, wrap_dist=0.75):
textlines = text.splitlines()
with wand.drawing.Drawing() as draw:
draw.font = self.thumbnail_font
draw.font_size = font_size
@ -13,11 +15,41 @@ def draw_text(self, img, text, font_size=64):
draw.stroke_color = wand.color.Color(self.thumbnail_text_stroke)
draw.stroke_width = font_size * 5 / 32
draw.text_interline_spacing = -font_size / 4
draw.text(5, int(draw.font_size) + 5, text)
target_width = wrap_dist * img.width
def eval_metrics(txt):
metrics = draw.get_font_metrics(img, wrapped_text, True)
return (metrics.text_width, metrics.text_height)
for idx, wrapped_text in enumerate(textlines):
while True:
width, height = eval_metrics(wrapped_text)
if width <= target_width:
break
columns = len(wrapped_text)
while columns > 0:
columns -= 1
wrapped_text = '\n'.join(
textwrap.wrap(wrapped_text, columns)
)
wrapped_width, _ = eval_metrics(wrapped_text)
if wrapped_width <= target_width:
break
if columns == 0:
raise Exception(
"couldn't calculate text wrapping; "
+ f"final attempt was {wrapped_text}"
)
textlines[idx] = wrapped_text
wrapped_text = '\n'.join(textlines)
draw.text(5, int(draw.font_size) + 5, wrapped_text)
draw(img)
draw.stroke_color = wand.color.Color("none")
draw.stroke_width = 0
draw.text(5, int(draw.font_size)+5, text)
draw.text(5, int(draw.font_size)+5, wrapped_text)
draw(img)