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create_caption: Python PIL 10.0.0 support (#1027)

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To support Python PIL 10.0.0 this change uses newer API textbbox() when
available, and older API textsize() when not.
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Steven Elliott 2023-07-16 14:52:04 -04:00 • committed by GitHub
parent db0959eaec
commit d64ddc6ea9
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1 changed files with 15 additions and 2 deletions
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17
graphics/text/create_caption
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@ -18,8 +18,21 @@ background_image.load()
background_image = background_image.convert("RGBA")
image = Image.new("RGBA", background_image.size, (0, 0, 0, 0))
draw = ImageDraw.Draw(image)
txt1_size = draw.textsize(txt1, font=font)
txt2_size = draw.textsize(txt2, font=font)
# Getting the text size is tricky since for newer PIL, such as 10.0.0, only
# textbbox() is supported, but for older PIL, such 7.2.0, only textsize()
# is supported. The solution is to default to the newer API, but fallback to
# the older one when it is not available.
try:
# This newer API returns a four item tuple. The "xy" kwarg is returned in
# the first two items, and last two items is the size needed, but with "xy"
# added, so passing "(0, 0)" returns the size needed.
txt1_size = draw.textbbox(xy=(0, 0), text=txt1, font=font)[2:]
txt2_size = draw.textbbox(xy=(0, 0), text=txt2, font=font)[2:]
except:
# This older API simply returns the size needed.
txt1_size = draw.textsize(txt1, font=font)
txt2_size = draw.textsize(txt2, font=font)
draw.text(
(5, int(image.height - txt1_size[1] - 5)),