diff options
| -rw-r--r-- | core/views/editor_helpers.py | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/core/views/editor_helpers.py b/core/views/editor_helpers.py index 7aa9c75..179d4a1 100644 --- a/core/views/editor_helpers.py +++ b/core/views/editor_helpers.py @@ -9,6 +9,8 @@ from django.urls import reverse from django.views.decorators.csrf import ensure_csrf_cookie from PIL import Image +import piexif + import troggle.settings as settings from troggle.core.utils import WriteAndCommitError, write_and_commit @@ -52,6 +54,27 @@ def image_selector(request, path): thumbnails.append({"thumbnail_url": thumbnail_url, "page_url": page_url}) return render(request, "image_selector.html", {"thumbnails": thumbnails}) + +def reorient_image(img, exif_dict): + if piexif.ImageIFD.Orientation in exif_dict["0th"]: + print(exif_dict) + orientation = exif_dict["0th"].pop(piexif.ImageIFD.Orientation) + + if orientation == 2: + img = img.transpose(Image.FLIP_LEFT_RIGHT) + elif orientation == 3: + img = img.rotate(180) + elif orientation == 4: + img = img.rotate(180).transpose(Image.FLIP_LEFT_RIGHT) + elif orientation == 5: + img = img.rotate(-90, expand=True).transpose(Image.FLIP_LEFT_RIGHT) + elif orientation == 6: + img = img.rotate(-90, expand=True) + elif orientation == 7: + img = img.rotate(90, expand=True).transpose(Image.FLIP_LEFT_RIGHT) + elif orientation == 8: + img = img.rotate(90, expand=True) + return img @login_required_if_public @@ -67,6 +90,14 @@ def new_image_form(request, path): for chunk in f.chunks(): binary_data.write(chunk) i = Image.open(binary_data) + if "exif" in i.info: + exif_dict = piexif.load(i.info["exif"]) + i = reorient_image(i, exif_dict) + exif_dict['Exif'][41729] = b'1' + exif = piexif.dump(exif_dict) + else: + exif = None + width, height = i.size if width > MAX_IMAGE_WIDTH or height > MAX_IMAGE_HEIGHT: scale = max(width / MAX_IMAGE_WIDTH, height / MAX_IMAGE_HEIGHT) |