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django-easy-thumbnails-watermark-0.6.9
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A watermark filter for easy_thumbnails
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | django-easy-thumbnails-watermark-0.6.9 |
| نام | django-easy-thumbnails-watermark |
| نسخه کتابخانه | 0.6.9 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Davide Riccardo Caliendo |
| ایمیل نویسنده | davide.licheni.net |
| آدرس صفحه اصلی | http://v.licheni.net/drc/django-easy-thumbnails-watermark.git |
| آدرس اینترنتی | https://pypi.org/project/django-easy-thumbnails-watermark/ |
| مجوز | GPLv3 License |
INSTALL
=======
put easy_thumbnails_watermark in INSTALLED_APPS
::
INSTALLED_APPS = (
'easy_thumbnails_watermark',
)
add the watermark preprocesor in your settings
::
from easy_thumbnails.conf import Settings as easy_thumbnails_defaults
THUMBNAIL_PROCESSORS = easy_thumbnails_defaults.THUMBNAIL_PROCESSORS + (
'easy_thumbnails_watermark.thumbnail_processors.watermark_processor',
)
and add 'WATERMARK': , to your thumbnail definition for easy_thumbnails.
::
'thumb': {
...
'WATERMARK': {
'image': 'main/img/logo.png',
'opacity': 0.2,
'scale': '40%',
},
...
},
And one of the following settings:
* ``image`` - A path to an image in your static files folder
* ``position`` - Specify the relative position in one of four image corners ``BR``, ``BL``,
``TR``, and ``TL``. These represent 'bottom-right', 'bottom-left', 'top-right', and 'top-left' respectively.
Alternatively, you can use relative or absolute positioning for the
watermark. Relative positioning uses percentages; absolute positioning uses
exact pixels. You can mix and match these two modes of positioning, but you
cannot mix and match relative/absolute with the corner positioning. When
using relative/absolute positioning, the value for the ``position`` parameter
is ``XxY``, where ``X`` is the left value and ``Y`` is the top value. The
left and top values must be separated with a lowercase ``x``.
If you wanted your watermark image to show up in the center of any image you
want to watermark, you would use a position parameter such as
``position=50%x50%`` or even ``position=C``. If you wanted the watermark to
show up half-way between the left and right edges of the image and 100 pixels
from the top, you would use a position parameter such as
``position=50%x100``.
Finally, you may tell the filter to generate a position for your watermark
dynamically. To do this, use ``position=R``.
* ``opacity`` - This parameter allows you to specify the transparency of the
applied watermark. The value must be an integer between 0 and 1, where 0
is fully transparent and 1 is fully opaque. By default, the opacity is set
at 0.5.
* ``tile`` - If you want your watermark to tile across the entire image, you
simply specify a parameter such as ``tile=1``.
* ``scale`` - If you'd like to have the watermark as big as possible on the
target image and fully visible, you might want to use ``scale=F``. If you
want to specify a particular scaling factor, just use something like
``scale=1.43``.
Scale could also be a percentage of the smallest image, the one to be watermarked,
dimension, for example '20%' would scale the watermark to be 20% of the smallest
between width and height of the target image.
* ``greyscale`` - If you want your watermark to be greyscale, you can specify
the parameter ``greyscale=1`` and all color saturation will go away.
* ``rotation`` - Set this parameter to any integer between 0 and 359 (really
any integer should work, but for your own sanity I recommend keeping the
value between 0 and 359). If you want the rotation to be random, use
``rotation=R`` instead of an integer.
* ``noalpha`` defaults to False, removes any alpha introduced with the watermark effect, useful to force a jpg image to remain the same, saving a lot of space, setting to True effectively converts any RGBA color space to RGB.
They defaults to watermark=False, position='C', opacity=100, scale=1, tile=False, greyscale=False, rotation=0
Credits
=======
I copied various code from https://raw.github.com/codekoala/django-watermark
and simply adapted for easy_thumbnails
نحوه نصب
نصب پکیج whl django-easy-thumbnails-watermark-0.6.9:
pip install django-easy-thumbnails-watermark-0.6.9.whl
نصب پکیج tar.gz django-easy-thumbnails-watermark-0.6.9:
pip install django-easy-thumbnails-watermark-0.6.9.tar.gz