Search found 36 matches

by wangyongjun
2020-05-06T22:47:52-07:00
Forum: Users
Topic: How convert jpg change dpi
Replies: 7
Views: 1693

Re: How convert jpg change dpi

and I use ExifTool to check dpi(X Resolution)
by wangyongjun
2020-05-06T22:43:22-07:00
Forum: Users
Topic: How convert jpg change dpi
Replies: 7
Views: 1693

Re: How convert jpg change dpi

Version: ImageMagick 6.7.8-9 2019-08-08 Q16 CentOS7
There seems has no magick cmd on linux
[wangyongjun@fm-mgt-88 Image-ExifTool-11.93]$ magick identify -format "%%f %%x %%y %%U\n" ../rgb_2.jpg
-bash: magick: command not found
by wangyongjun
2020-05-06T20:44:32-07:00
Forum: Users
Topic: How convert jpg change dpi
Replies: 7
Views: 1693

Re: How convert jpg change dpi

a.jpg Image size 6969*9331 dpi: 300
convert a.jpg -density 350 -resize 5973x7998 b.jpg
check b.jpg dpi still 300 . resize effected
by wangyongjun
2020-05-06T19:48:44-07:00
Forum: Users
Topic: How convert jpg change dpi
Replies: 7
Views: 1693

How convert jpg change dpi

dpi 96 . How can change it to 300
by wangyongjun
2020-04-26T00:04:50-07:00
Forum: Users
Topic: one jpg use much more time than another jpg to add text
Replies: 4
Views: 1570

Re: one jpg use much more time than another jpg to add text

Thank you for reply
I'll try to talk art designer to do it.
and
Has IM any function to get ride of these useless metadata ?
by wangyongjun
2020-04-25T20:59:01-07:00
Forum: Users
Topic: one jpg use much more time than another jpg to add text
Replies: 4
Views: 1570

one jpg use much more time than another jpg to add text

http://fcom.oss-cn-hangzhou.aliyuncs.com/aaa/e.jpg http://fcom.oss-cn-hangzhou.aliyuncs.com/aaa/d.jpg file Size: d.jpg 125M / e.jpg 68M Image size(6969x9330) 、dpi almost same but when I use IM add Text to them, d use 290 seconds. e only 8s convert e.jpg -font /usr/share/fonts/open-sans/SIMSUN.TTC -f...
by wangyongjun
2020-04-24T00:16:28-07:00
Forum: Users
Topic: why convert command add text to tif file so slow
Replies: 18
Views: 7815

Re: why convert command add text to tif file so slow

http://fcom.oss-cn-hangzhou.aliyuncs.com/aaa/e.jpg http://fcom.oss-cn-hangzhou.aliyuncs.com/aaa/d.jpg d.jpg 125M e 68M Image size(6969x9330) 、dpi almost same but when I use IM add Text to them, d use 290 seconds. e only 8s convert e.jpg -font /usr/share/fonts/open-sans/SIMSUN.TTC -fill "#ffffff" -po...
by wangyongjun
2020-04-23T03:43:03-07:00
Forum: Users
Topic: How compose two or three jpg files to one new file
Replies: 8
Views: 2564

Re: How compose two or three jpg files to one new file

when composite B.jpg on A.jpg bottom colors of two pics are different.
how make B's bottom color transparent for A
by wangyongjun
2020-04-15T03:37:37-07:00
Forum: Users
Topic: Can ImageMagick get exif information to a pic
Replies: 1
Views: 1298

Can ImageMagick get exif information to a pic

I used exiftool to do it. but some picture has not enough exif information . like Color Mode (CMYK OR RGB). to these pics, Photoshop can read Color Mode.
by wangyongjun
2020-04-09T19:57:27-07:00
Forum: Users
Topic: How to use composite command
Replies: 11
Views: 5390

Re: How to use composite command

-colorspace RGB
by wangyongjun
2020-04-09T19:17:47-07:00
Forum: Users
Topic: How to use composite command
Replies: 11
Views: 5390

Re: How to use composite command

where are CMYK color value list that worked ? except #000000 and #ffffff
#ffff00 (yellow) seems don't work properly as parameter of convert command (look not yellow)
by wangyongjun
2020-04-06T18:52:30-07:00
Forum: Users
Topic: How compose two or three jpg files to one new file
Replies: 8
Views: 2564

Re: How compose two or three jpg files to one new file

B's Color Mode is RGB and A’s is CMYK. Maybe this is the reason
by wangyongjun
2020-04-06T18:49:50-07:00
Forum: Users
Topic: How compose two or three jpg files to one new file
Replies: 8
Views: 2564

Re: How compose two or three jpg files to one new file

Thanks for reply. It's work but has a problem.
B.jpg was painted on A.jpg. but B.jpg(in out.jpg)'s color is changed