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add watermark

Brightcells 9 年之前
父节点
b9c2997666
当前提交
4a8b4f8819
共有 12 个文件被更改，包括 165 次插入 和 20 次删除
显示文件统计
  1. 19 0
      account/migrations/0004_auto_20151207_1811.py
  2. 3 0
      pai2/settings.py
  3. 二进制
      pai2/static/pai2/img/paiai_96_96.png
  4. 1 1
      photo/admin.py
  5. 42 0
      photo/migrations/0005_auto_20151207_1811.py
  6. 18 6
      photo/models.py
  7. 1 1
      photo/templates/photo/session_detail.html
  8. 19 12
      photo/views.py
  9. 二进制
      utils/original_CGzC_10a50000c8811190.jpg
  10. 二进制
      utils/original_CGzC_10a50000c8811190副本.jpg
  11. 二进制
      utils/paiai_96_96.png
  12. 62 0
      utils/watermark_utils.py

+ 19 - 0
account/migrations/0004_auto_20151207_1811.py
查看文件 

@@ -0,0 +1,19 @@
1 
+# -*- coding: utf-8 -*-
2 
+from __future__ import unicode_literals
3 
+
4 
+from django.db import models, migrations
5 
+
6 
+
7 
+class Migration(migrations.Migration):
8 
+
9 
+    dependencies = [
10 
+        ('account', '0003_auto_20151202_2313'),
11 
+    ]
12 
+
13 
+    operations = [
14 
+        migrations.AlterField(
15 
+            model_name='lensmaninfo',
16 
+            name='lensman_id',
17 
+            field=models.CharField(null=True, max_length=255, blank=True, help_text='\u6444\u5f71\u5e08\u552f\u4e00\u6807\u8bc6', unique=True, verbose_name='lensman_id', db_index=True),
18 
+        ),
19 
+    ]

+ 3 - 0
pai2/settings.py
查看文件 

@@ -150,6 +150,9 @@ REST_FRAMEWORK = {
150 150 
 # 唯一标识设置
151 151 
 CURTAIL_UUID_LENGTH = 7
152 152
153 
+# 水印设置
154 
+WATERMARK_LOGO = os.path.join(PROJ_DIR, 'static/pai2/img/paiai_96_96.png').replace('\\', '/')
155 
+
153 156 
 # 域名设置
154 157 
 DOMAIN = 'http://xfoto.com.cn'
155 158

二进制
pai2/static/pai2/img/paiai_96_96.png
查看文件


+ 1 - 1
photo/admin.py
查看文件 

@@ -11,7 +11,7 @@ class UUIDInfoAdmin(admin.ModelAdmin):
11 11
12 12
13 13 
 class PhotosInfoAdmin(admin.ModelAdmin):
14 
-    list_display = ('lensman_id', 'session_id', 'photo_id', 'photo_name', 'photo_path', 'status', 'created_at', 'updated_at')
14 
+    list_display = ('lensman_id', 'session_id', 'photo_id', 'p_photo_path', 'status', 'created_at', 'updated_at')
15 15 
     list_filter = ('lensman_id', 'status')
16 16
17 17

+ 42 - 0
photo/migrations/0005_auto_20151207_1811.py
查看文件 

@@ -0,0 +1,42 @@
1 
+# -*- coding: utf-8 -*-
2 
+from __future__ import unicode_literals
3 
+
4 
+from django.db import models, migrations
5 
+
6 
+
7 
+class Migration(migrations.Migration):
8 
+
9 
+    dependencies = [
10 
+        ('photo', '0004_photosinfo_photo_name'),
11 
+    ]
12 
+
13 
+    operations = [
14 
+        migrations.RemoveField(
15 
+            model_name='photosinfo',
16 
+            name='photo_name',
17 
+        ),
18 
+        migrations.RemoveField(
19 
+            model_name='photosinfo',
20 
+            name='photo_path',
21 
+        ),
22 
+        migrations.AddField(
23 
+            model_name='photosinfo',
24 
+            name='l_photo_path',
25 
+            field=models.CharField(help_text='\u7167\u7247\u5b58\u653e\u8def\u5f84', max_length=255, null=True, verbose_name='l_photo_path', blank=True),
26 
+        ),
27 
+        migrations.AddField(
28 
+            model_name='photosinfo',
29 
+            name='m_photo_path',
30 
+            field=models.CharField(help_text='\u7167\u7247\u5b58\u653e\u8def\u5f84', max_length=255, null=True, verbose_name='m_photo_path', blank=True),
31 
+        ),
32 
+        migrations.AddField(
33 
+            model_name='photosinfo',
34 
+            name='p_photo_path',
35 
+            field=models.CharField(help_text='\u7167\u7247\u5b58\u653e\u8def\u5f84', max_length=255, null=True, verbose_name='p_photo_path', blank=True),
36 
+        ),
37 
+        migrations.AddField(
38 
+            model_name='photosinfo',
39 
+            name='r_photo_path',
40 
+            field=models.CharField(help_text='\u7167\u7247\u5b58\u653e\u8def\u5f84', max_length=255, null=True, verbose_name='r_photo_path', blank=True),
41 
+        ),
42 
+    ]

+ 18 - 6
photo/models.py
查看文件 

@@ -32,8 +32,10 @@ class PhotosInfo(CreateUpdateMixin):
32 32 
     lensman_id = models.CharField(_(u'lensman_id'), max_length=255, blank=True, null=True, help_text=u'摄影师唯一标识', db_index=True)
33 33 
     session_id = models.CharField(_(u'session_id'), max_length=255, blank=True, null=True, help_text=u'照片组唯一标识', db_index=True)
34 34 
     photo_id = models.CharField(_(u'photo_id'), max_length=255, blank=True, null=True, help_text=u'照片唯一标识', db_index=True, unique=True)
35 
-    photo_name = models.CharField(_(u'photo_name'), max_length=255, blank=True, null=True, help_text=u'照片存放名称')
36 
-    photo_path = models.CharField(_(u'photo_path'), max_length=255, blank=True, null=True, help_text=u'照片存放路径')
35 
+    p_photo_path = models.CharField(_(u'p_photo_path'), max_length=255, blank=True, null=True, help_text=u'照片存放路径')
36 
+    m_photo_path = models.CharField(_(u'm_photo_path'), max_length=255, blank=True, null=True, help_text=u'照片存放路径')
37 
+    l_photo_path = models.CharField(_(u'l_photo_path'), max_length=255, blank=True, null=True, help_text=u'照片存放路径')
38 
+    r_photo_path = models.CharField(_(u'r_photo_path'), max_length=255, blank=True, null=True, help_text=u'照片存放路径')
37 39
38 40 
     class Meta:
39 41 
         verbose_name = _('photosinfo')
 
@@ -46,9 +48,20 @@ class PhotosInfo(CreateUpdateMixin):
46 48 
         return u'{0.pk}'.format(self)
47 49
48 50 
     @property
49 
-    def photo_url(self):
50 
-        return u'{0}/media/{1}'.format(settings.DOMAIN, self.photo_path) if self.photo_path else ''
51 
-        # return u'{0}/p/{1}'.format(settings.DOMAIN, self.photo_name) if self.photo_name else ''
51 
+    def p_photo_url(self):
52 
+        return u'{0}/media/{1}'.format(settings.DOMAIN, self.p_photo_path) if self.p_photo_path else ''
53 
+
54 
+    @property
55 
+    def m_photo_url(self):
56 
+        return u'{0}/media/{1}'.format(settings.DOMAIN, self.m_photo_path) if self.m_photo_path else ''
57 
+
58 
+    @property
59 
+    def l_photo_url(self):
60 
+        return u'{0}/media/{1}'.format(settings.DOMAIN, self.l_photo_path) if self.l_photo_path else ''
61 
+
62 
+    @property
63 
+    def r_photo_url(self):
64 
+        return u'{0}/media/{1}'.format(settings.DOMAIN, self.r_photo_path) if self.r_photo_path else ''
52 65
53 66 
     def _data(self):
54 67 
         return {
 
@@ -56,7 +69,6 @@ class PhotosInfo(CreateUpdateMixin):
56 69 
             'user': self.lensman_id,
57 70 
             'session': self.session_id,
58 71 
             'photo': self.photo_id,
59 
-            # 'photo_url': self.photo_url,
60 72 
         }
61 73
62 74 
     data = property(_data)

+ 1 - 1
photo/templates/photo/session_detail.html
查看文件 

@@ -6,7 +6,7 @@
6 6 
 </head>
7 7 
 <body>
8 8 
     {% for photo in photos %}
9 
-    <div><img src="{{ photo.photo_url }}"></div>
9 
+    <div><img src="{{ photo.p_photo_url }}"></div>
10 10 
     {% endfor %}
11 11 
 </body>
12 12 
 </html>

+ 19 - 12
photo/views.py
查看文件 

@@ -1,5 +1,6 @@
1 1 
 # -*- coding: utf-8 -*-
2 2
3 
+from django.conf import settings
3 4 
 from django.core.files.storage import default_storage
4 5 
 from django.db import transaction
5 6 
 from django.http import JsonResponse
 
@@ -12,6 +13,7 @@ from photo.models import UUIDInfo, PhotosInfo
12 13 
 from photo.serializers import PhotosInfoSerializer
13 14
14 15 
 from utils.uuid_utils import curtailUUID
16 
+from utils.watermark_utils import watermark_wrap
15 17
16 18 
 import os
17 19 
 
@@ -83,20 +85,25 @@ def upload_photo(request):
83 85 
     photo_id = curtailUUID(PhotosInfo, 'photo_id')
84 86
85 87 
     _, extension = os.path.splitext(photo.name)
86 
-    # photo_path = 'photo/{0}/{1}/{2}{3}'.format(lensman_id, session_id, photo_id, extension)
87 
-    photo_name = '{0}{1}'.format(photo_id, extension)
88 
-    photo_path = 'photo/{0}'.format(photo_name)
88 
+    m_photo_path = 'photo/{photo_id}_m{extension}'.format(photo_id=photo_id, extension=extension)
89 89
90 
-    if default_storage.exists(photo_path):
91 
-        default_storage.delete(photo_path)
92 
-    default_storage.save(photo_path, photo)
90 
+    if default_storage.exists(m_photo_path):
91 
+        default_storage.delete(m_photo_path)
92 
+    default_storage.save(m_photo_path, photo)
93 
+
94 
+    p_photo_path = 'photo/{photo_id}_p{extension}'.format(photo_id=photo_id, extension=extension)
95 
+    watermark_wrap(
96 
+        os.path.join(settings.MEDIA_ROOT, m_photo_path).replace('\\', '/'),
97 
+        settings.WATERMARK_LOGO,
98 
+        os.path.join(settings.MEDIA_ROOT, p_photo_path).replace('\\', '/')
99 
+    )
93 100
94 101 
     photo, created = PhotosInfo.objects.get_or_create(
95 102 
         lensman_id=lensman_id,
96 103 
         session_id=session_id,
97 104 
         photo_id=photo_id,
98 
-        photo_name=photo_name,
99 
-        photo_path=photo_path
105 
+        p_photo_path=p_photo_path,
106 
+        m_photo_path=m_photo_path,
100 107 
     )
101 108
102 109 
     return JsonResponse({
 
@@ -113,22 +120,22 @@ def session_detail(request, session):
113 120
114 121 
 def photo_standard(request, photo):
115 122 
     photo = PhotosInfo.objects.get(photo_id=photo)
116 
-    return render(request, 'photo/photo_detail.html', {'photo_url': photo.photo_url})
123 
+    return render(request, 'photo/photo_detail.html', {'photo_url': photo.p_photo_url})
117 124
118 125
119 126 
 def photo_medium(request, photo):
120 127 
     photo = PhotosInfo.objects.get(photo_id=photo)
121 
-    return render(request, 'photo/photo_detail.html', {'photo_url': photo.photo_url})
128 
+    return render(request, 'photo/photo_detail.html', {'photo_url': photo.m_photo_url})
122 129
123 130
124 131 
 def photo_large(request, photo):
125 132 
     photo = PhotosInfo.objects.get(photo_id=photo)
126 
-    return render(request, 'photo/photo_detail.html', {'photo_url': photo.photo_url})
133 
+    return render(request, 'photo/photo_detail.html', {'photo_url': photo.l_photo_url})
127 134
128 135
129 136 
 def photo_raw(request, photo):
130 137 
     photo = PhotosInfo.objects.get(photo_id=photo)
131 
-    return render(request, 'photo/photo_detail.html', {'photo_url': photo.photo_url})
138 
+    return render(request, 'photo/photo_detail.html', {'photo_url': photo.r_photo_url})
132 139
133 140
134 141 
 class PhotoInfoViewSet(viewsets.ModelViewSet):

二进制
utils/original_CGzC_10a50000c8811190.jpg
查看文件


二进制
utils/original_CGzC_10a50000c8811190副本.jpg
查看文件


二进制
utils/paiai_96_96.png
查看文件


+ 62 - 0
utils/watermark_utils.py
查看文件 

@@ -0,0 +1,62 @@
1 
+# -*- coding: utf-8 -*-
2 
+
3 
+try:
4 
+    import Image
5 
+    import ImageEnhance
6 
+except ImportError:
7 
+    from PIL import Image, ImageEnhance
8 
+
9 
+
10 
+def reduce_opacity(im, opacity):
11 
+    """Returns an image with reduced opacity."""
12 
+    assert 0 <= opacity <= 1
13 
+    im = im.convert('RGBA') if im.mode != 'RGBA' else im.copy()
14 
+    alpha = im.split()[3]
15 
+    alpha = ImageEnhance.Brightness(alpha).enhance(opacity)
16 
+    im.putalpha(alpha)
17 
+    return im
18 
+
19 
+
20 
+def watermark(im, mark, position, opacity=1):
21 
+    """Adds a watermark to an image."""
22 
+    if opacity < 1:
23 
+        mark = reduce_opacity(mark, opacity)
24 
+    if im.mode != 'RGBA':
25 
+        im = im.convert('RGBA')
26 
+    # create a transparent layer the size of the image and draw the
27 
+    # watermark in that layer.
28 
+    layer = Image.new('RGBA', im.size, (0, 0, 0, 0))
29 
+    if position == 'tile':
30 
+        for y in range(0, im.size[1], mark.size[1]):
31 
+            for x in range(0, im.size[0], mark.size[0]):
32 
+                layer.paste(mark, (x, y))
33 
+    elif position == 'scale':
34 
+        # scale, but preserve the aspect ratio
35 
+        ratio = min(
36 
+            float(im.size[0]) / mark.size[0], float(im.size[1]) / mark.size[1])
37 
+        w = int(mark.size[0] * ratio)
38 
+        h = int(mark.size[1] * ratio)
39 
+        mark = mark.resize((w, h))
40 
+        layer.paste(mark, ((im.size[0] - w) / 2, (im.size[1] - h) / 2))
41 
+    else:
42 
+        layer.paste(mark, position)
43 
+    # composite the watermark with the layer
44 
+    return Image.composite(layer, im, layer)
45 
+
46 
+
47 
+def watermark_wrap(im_path, mark_path, save_path=''):
48 
+    im, mark = Image.open(im_path), Image.open(mark_path)
49 
+    new_im = watermark(im, mark, (50, 50), 0.5)
50 
+    new_im.save(save_path or im_path)
51 
+
52 
+
53 
+def watermark_test():
54 
+    im, mark = Image.open('original_CGzC_10a50000c8811190.jpg'), Image.open('paiai_96_96.png')
55 
+    watermark(im, mark, 'tile', 0.5).show()
56 
+    watermark(im, mark, 'scale', 1.0).show()
57 
+    watermark(im, mark, (50, 50), 0.5).show()
58 
+
59 
+
60 
+if __name__ == '__main__':
61 
+    # watermark_test()
62 
+    watermark_wrap('original_CGzC_10a50000c8811190.jpg', 'paiai_96_96.png')