Image upload polishing and webp

This commit is contained in:
Andrew Godwin 2022-12-04 10:46:41 -07:00
parent ffda9c4913
commit c3d4d0f547
4 changed files with 44 additions and 15 deletions

View file

@ -158,7 +158,7 @@ class ImageUpload(FormView):
def clean_image(self):
value = self.cleaned_data["image"]
if value.size > 1024 * 1024 * 1:
if value.size > 1024 * 1024 * 10:
# Erase the file from our data to stop trying to show it again
self.files = {}
raise forms.ValidationError("File must be 10MB or less")
@ -169,21 +169,30 @@ class ImageUpload(FormView):
def form_valid(self, form):
# Make a PostAttachment
thumbnail_file = resize_image(form.cleaned_data["image"], size=(400, 225))
main_file = resize_image(
form.cleaned_data["image"],
size=(2000, 2000),
cover=False,
)
thumbnail_file = resize_image(
form.cleaned_data["image"],
size=(400, 225),
cover=True,
)
attachment = PostAttachment.objects.create(
blurhash=blurhash_image(thumbnail_file),
mimetype=form.cleaned_data["image"].image.get_format_mimetype(),
width=form.cleaned_data["image"].image.width,
height=form.cleaned_data["image"].image.height,
mimetype="image/webp",
width=main_file.image.width,
height=main_file.image.height,
name=form.cleaned_data.get("description"),
state=PostAttachmentStates.fetched,
)
attachment.file.save(
form.cleaned_data["image"].name,
form.cleaned_data["image"],
main_file.name,
main_file,
)
attachment.thumbnail.save(
form.cleaned_data["image"].name,
thumbnail_file.name,
thumbnail_file,
)
attachment.save()

View file

@ -5,16 +5,31 @@ from django.core.files import File
from PIL import Image, ImageOps
def resize_image(image: File, *, size: tuple[int, int]) -> File:
def resize_image(
image: File,
*,
size: tuple[int, int],
cover=True,
keep_format=False,
) -> File:
"""
Resizes an image to fit insize the given size (cropping one dimension
to fit if needed)
"""
with Image.open(image) as img:
if cover:
resized_image = ImageOps.fit(img, size)
else:
resized_image = ImageOps.contain(img, size)
new_image_bytes = io.BytesIO()
resized_image.save(new_image_bytes, format=img.format)
return File(new_image_bytes)
if keep_format:
resized_image.save(new_image_bytes, format=image.format)
file = File(new_image_bytes)
else:
resized_image.save(new_image_bytes, format="webp")
file = File(new_image_bytes, name="image.webp")
file.image = resized_image
return file
def blurhash_image(image) -> str:

View file

@ -610,7 +610,8 @@ form .buttons {
margin: -20px 0 15px 0;
}
form p+.buttons {
form p+.buttons,
form fieldset .buttons {
margin-top: 0;
}
@ -618,6 +619,10 @@ form .button.add-image {
margin: 10px 0 10px 0;
}
form legend+.button.add-image {
margin-top: 0px;
}
form progress {
display: none;
width: 100%;

View file

@ -5,7 +5,7 @@
{{ attachment.name|default:"(no description)" }}
</p>
<div class="buttons">
<a class="button delete left" _="on click remove closest .uploaded_image">Remove</a>
<a class="button delete left" _="on click remove closest .uploaded-image">Remove</a>
</div>
</div>
{% if request.htmx %}
@ -13,7 +13,7 @@
hx-get='{% url "compose_image_upload" %}'
hx-target="this"
hx-swap="outerHTML"
_="on load if beep! length of beep! <.uploaded-image/> > 3 then hide me">
_="on load if length of <.uploaded-image/> > 3 then hide me">
Add Image
</a>
{% endif %}