rename module

1 files changed, 39 insertions, 0 deletions

diff --git a/ignis/views.py b/ignis/views.py
new file mode 100644
index 00000000..ffbce848
--- /dev/null
+++ b/ignis/views.py
@@ -0,0 +1,39 @@
+from django.shortcuts import render
+from PIL import Image
+from io import BytesIO
+from django.http import HttpResponse
+from django.views.decorators.csrf import csrf_exempt
+import base64
+from blog.models import Post
+
+# Create your views here.
+@csrf_exempt
+def tex(request):
+    # get expression from request query
+    expression = request.GET.get('expr').replace('"', '').strip()
+    if not expression:
+        return HttpResponse('No expression provided!', status=400)
+
+    import requests
+
+    image = requests.get('https://latex.codecogs.com/png.image?%5Cinline%20%5Clarge%20%5Cdpi%7B300%7D%5Cbg%7Btransparent%7D' + expression).content
+
+    # Image is a transparent GIF with black text. Invert the colors.
+    image = Image.open(BytesIO(image))
+    image = image.convert('RGBA')
+    image = Image.eval(image, lambda x: 255 - x)
+
+    # Convert back to gif and return
+    output = BytesIO()
+    image.save(output, format='GIF')
+    return HttpResponse(output.getvalue(), content_type='image/gif')
+
+@csrf_exempt
+def post_image(request, post_id):
+    pi = Post.objects.get(id=post_id).post_image
+    if not pi:
+        return HttpResponse('No image found!', status=404)
+    
+    # convert base64 data src to image
+    image = base64.b64decode(pi.split(',')[1])
+    return HttpResponse(image, content_type='image/png')