8000 Let dpi be set when saving JPEG using Agg backend by dstansby · Pull Request #9066 · matplotlib/matplotlib · GitHub
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Let dpi be set when saving JPEG using Agg backend #9066

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Merged
merged 3 commits into from
Aug 25, 2017
Merged

Let dpi be set when saving JPEG using Agg backend #9066

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ff1c8c8
Let dpi be set when saving JPEG using Agg backend
dstansby Aug 21, 2017
d6dc2c7
Add jpeg dpi test
dstansby Aug 22, 2017
6cd8a00
Skip test if PIL can't be imported
dstansby Aug 22, 2017
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Let dpi be set when saving JPEG using Agg backend 
Check that dpi is in options
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@dstansby
dstansby committed Aug 23, 2017
commit ff1c8c8ddcc843379d2f15328dacfb6d650aceee
6 changes: 5 additions & 1 deletion lib/matplotlib/backends/backend_agg.py
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Expand Up @@ -568,9 +568,13 @@ def print_jpg(self, filename_or_obj, *args, **kwargs):
background = Image.new('RGB', size, color)
background.paste(image, image)
options = {k: kwargs[k]
for k in ['quality', 'optimize', 'progressive']
for k in ['quality', 'optimize', 'progressive', 'dpi']
if k in kwargs}
options.setdefault('quality', rcParams['savefig.jpeg_quality'])
if 'dpi' in options:
# Set the same dpi in both x and y directions
options['dpi'] = (options['dpi'], options['dpi'])

return background.save(filename_or_obj, format='jpeg', **options)
print_jpeg = print_jpg

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