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Improve image quality of PNGs

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The PNGs we were generating looked a bit fuzzy, and the text rendering
was a bit off.

This is because we weren’t rendering them at a high enough resolution.
I’m guessing the default was 72dpi. This commit increases the resolution
to 96dpi, which (locally) seems to be enough to give a good-looking
preview.
This commit is contained in:
Chris Hill-Scott
2016-12-28 11:07:22 +00:00
parent 2854dbe3dd
commit 729568d010
1 changed files with 2 additions and 1 deletions
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3
app/utils.py
View File

@@ -264,7 +264,8 @@ def get_template(
def png_from_pdf(pdf_endpoint): def png_from_pdf(pdf_endpoint):
output = BytesIO() output = BytesIO()
with Image( with Image(
blob=pdf_endpoint.get_data() blob=pdf_endpoint.get_data(),
resolution=96,
) as image: ) as image:
with image.convert('png') as converted: with image.convert('png') as converted:
converted.save(file=output) converted.save(file=output)