From a5ab2b9e47e57b71a5e099d45bc1c65fbe66596c Mon Sep 17 00:00:00 2001
From: charlie <1753524606@qq.com>
Date: Wed, 20 Jul 2022 20:52:38 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=8C=E6=88=90=E4=BB=BF=E5=B0=84=E5=8F=98?=
 =?UTF-8?q?=E6=8D=A2?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 basic/urls.py  |  3 ++-
 basic/views.py | 17 +++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/basic/urls.py b/basic/urls.py
index 22a0647..cbec77b 100644
--- a/basic/urls.py
+++ b/basic/urls.py
@@ -12,5 +12,6 @@ urlpatterns = [
     path('resize', views.resize),
     path('rotate', views.rotate),
     path('translation', views.translation),
-    path('flip', views.flip)
+    path('flip', views.flip),
+    path('affine', views.affine),
 ]
diff --git a/basic/views.py b/basic/views.py
index 5bbc58a..dfd913a 100644
--- a/basic/views.py
+++ b/basic/views.py
@@ -385,5 +385,22 @@ def flip(request):
     return HttpResponse('请使用POST方法')
 
 
+@csrf_exempt
+def affine(request):
+    if request.method == 'POST':
+        para = json.loads(request.body)
+        image = para['img']
+        img = cv2.imread(PREFIX + image)
+        before = np.float32(para['before'])
+        after = np.float32(para['after'])
+        rows, cols = img.shape[:2]
+        M = cv2.getAffineTransform(before, after)
+        img = cv2.warpAffine(img, M, (rows, cols))
+        filename = getImageName() + DEFAULT_FORMAT
+        cv2.imwrite(PREFIX + filename, img)
+        return HttpResponse(filename)
+    return HttpResponse('请使用POST方法')
+
+
 def r(request):
     return render(request, 'upload.html')