Search found 28 matches
- 2019-01-17T06:27:45-07:00
- Forum: Developers
- Topic: words become blurred when convert pdf to image
- Replies: 3
- Views: 9233
Re: words become blurred when convert pdf to image
Thank you so much
- 2019-01-16T00:44:15-07:00
- Forum: Developers
- Topic: words become blurred when convert pdf to image
- Replies: 3
- Views: 9233
words become blurred when convert pdf to image
Code: Select all
convert file.pdf -append out.jpeg
imagemagick version:7.0.8-23
- 2019-01-15T02:41:41-07:00
- Forum: Developers
- Topic: How to do this command with php api of imagemagick
- Replies: 1
- Views: 7117
How to do this command with php api of imagemagick
Code: Select all
convert input.png \
-gravity Center \
\( -size 200x200 \
xc:Black \
-fill White \
-draw 'circle 100 100 100 1' \
-alpha Copy \
\) -compose CopyOpacity -composite \
-trim output.png
- 2018-12-11T03:56:34-07:00
- Forum: Developers
- Topic: upper jpeg quality, but looks worse
- Replies: 2
- Views: 7800
- 2018-12-11T02:20:51-07:00
- Forum: Developers
- Topic: upper jpeg quality, but looks worse
- Replies: 2
- Views: 7800
upper jpeg quality, but looks worse
I have a jpeg with 50 quality, when I convert it to webp and set quality to 90, the result looks worse. its why?
it is the origin jpeg, http://smellycat.oss-cn-hangzhou.aliyun ... rigin.jpeg
Code: Select all
convert zjb_origin.jpeg -quality 90% xx.webp
- 2018-12-06T00:56:42-07:00
- Forum: Developers
- Topic: How can imagemagick determine the bit depth of a image need
- Replies: 13
- Views: 25431
- 2018-12-06T00:19:07-07:00
- Forum: Developers
- Topic: How can imagemagick determine the bit depth of a image need
- Replies: 13
- Views: 25431
Re: How can imagemagick determine the bit depth of a image need
So how can I know a 16 depth png can convert a 8 bit depth png without distortion. I'm using the magickWand api
- 2018-12-06T00:00:11-07:00
- Forum: Developers
- Topic: How can imagemagick determine the bit depth of a image need
- Replies: 13
- Views: 25431
Re: How can imagemagick determine the bit depth of a image need
And another question.
16 bit depth png to be resized 60%, its depth still 16 bit?
I try this imagehttp://test-1257746263.picsh.myqcloud.c ... Snap20.png and the result is 16 depth
16 bit depth png to be resized 60%, its depth still 16 bit?
I try this imagehttp://test-1257746263.picsh.myqcloud.c ... Snap20.png and the result is 16 depth
- 2018-12-05T22:24:23-07:00
- Forum: Developers
- Topic: How can imagemagick determine the bit depth of a image need
- Replies: 13
- Views: 25431
Re: How can imagemagick determine the bit depth of a image need
try this png http://test-1257746263.picsh.myqcloud.com/7a063c32e5c29a16fda4c02842e7c984.png convert 7a063c32e5c29a16fda4c02842e7c984.png -resize 80% tmp.png -rw-r--r-- 1 tczf staff 45K 12 3 22:44 7a063c32e5c29a16fda4c02842e7c984.png -rw-r--r--@ 1 tczf staff 211K 12 3 19:31 58a40d9d85367.png
- 2018-12-05T21:47:46-07:00
- Forum: Developers
- Topic: How can imagemagick determine the bit depth of a image need
- Replies: 13
- Views: 25431
Re: How can imagemagick determine the bit depth of a image need
It works when I upgrade imagemagick from 7.0.8-12 to 7.0.8-14, but the size of resized image is bigger than the original one.
- 2018-12-05T02:44:29-07:00
- Forum: Developers
- Topic: How can imagemagick determine the bit depth of a image need
- Replies: 13
- Views: 25431
Re: How can imagemagick determine the bit depth of a image need
It result in a bigger size png when resize. and version in centos7.2 Version: ImageMagick 7.0.8-12 Q16 x86_64 $ uname -a Linux 3.10.0-862.2.3.el7.x86_64 #1 SMP Wed May 9 18:05:47 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux $ identify -verbose tmp.png Image: tmp.png Format: PNG (Portable Network Graphic...
- 2018-12-05T02:39:26-07:00
- Forum: Developers
- Topic: How can imagemagick determine the bit depth of a image need
- Replies: 13
- Views: 25431
Re: How can imagemagick determine the bit depth of a image need
I try your command both in macos and centos7.2, both reuslt png is 16 bit depth $ uname -a Darwin MBA.local 18.2.0 Darwin Kernel Version 18.2.0: Fri Oct 5 19:41:49 PDT 2018; root:xnu-4903.221.2~2/RELEASE_X86_64 x86_64 $ convert -version Version: ImageMagick 7.0.8-12 Q16 x86_64 2018-10-15 https://ima...
- 2018-12-04T22:54:32-07:00
- Forum: Developers
- Topic: How can imagemagick determine the bit depth of a image need
- Replies: 13
- Views: 25431
How can imagemagick determine the bit depth of a image need
I have a png image which is 8 bit depth, when I scale it to 80%, the bit depth become 16.
convert -resize 80% 58a40d9d85367.png 58a40d9d85367.im.png
convert -resize 80% 58a40d9d85367.png 58a40d9d85367.im.png