Search found 7 matches

by BubbleBobble
2014-11-17T00:53:19-07:00
Forum: Users
Topic: Changing hue just for one channel
Replies: 12
Views: 5822

Re: Changing hue just for one channel

Yes exactly. You know, not being an image processing expert, I took a while to understand that. My aim was to apply the same script to change the hue for PNG also for SVG. At this point I will make some experiments writing a python script in order to mix IM and maybe Inkscape libraries. Thank you ...
by BubbleBobble
2014-11-16T14:39:44-07:00
Forum: Users
Topic: Changing hue just for one channel
Replies: 12
Views: 5822

Re: Changing hue just for one channel

The SVG used in these example is this one: http://www.fuina.it/pub/users/xfce-italia/bookmark.svg If I convert a SVG to SVG using: convert bookmark.svg out.svg I would expect to obtain the same SVG, instead I get this weird SVG file: http://www.fuina.it/pub/users/xfce-italia/out.svg I have found out ...
by BubbleBobble
2014-11-10T14:59:06-07:00
Forum: Users
Topic: Changing hue just for one channel
Replies: 12
Views: 5822

Re: Changing hue just for one channel

I apologize for my delay but in the meanwhile I tried to play with Gimp without any particular result and, at the end, I have understood that PNG and SVG are two different schools :) Anyway here the result of conversion: $ convert -verbose bookmarks.svg out.png bookmarks.svg SVG 96x96 96x96+0+0 16 ...
by BubbleBobble
2014-10-31T08:19:05-07:00
Forum: Users
Topic: Changing hue just for one channel
Replies: 12
Views: 5822

Re: Changing hue just for one channel

It works, thank you! I just had to decrease the level to 5% and changed the fill color for the best result. #!/bin/bash EXE="convert book.png" ARG1="\( -clone 0 -colorspace HSL -channel R -evaluate AddModulus 30% +channel -colorspace sRGB \)" ARG2="\( -clone 0 \( +clone -fill \#6da6c5 -colorize 100 ...
by BubbleBobble
2014-10-30T12:09:30-07:00
Forum: Users
Topic: Changing hue just for one channel
Replies: 12
Views: 5822

Re: Changing hue just for one channel

I tried your script using bash (I am running Xubuntu 14.04) #!/bin/bash EXE="convert book.png" ARG1="\( -clone 0 -colorspace HSL -channel R -evaluate AddModulus 33% +channel -colorspace sRGB -write d0.png \)" ARG2="\( -clone 0 \( +clone -fill \#72adcd -colorize 100 \) -compose Difference -composite ...
by BubbleBobble
2014-10-30T08:49:50-07:00
Forum: Users
Topic: Changing hue just for one channel
Replies: 12
Views: 5822

Re: Changing hue just for one channel

Snibco, thank you for your reply. Yes I need to change one color to another one. As said, I am not a graphic expert, please apoligize my incompetence to use the appropriate terms. I was successful to edit an icon. With GIMP I selected the channel cyano and changed its hue. The result is this, from ...
by BubbleBobble
2014-10-30T02:37:32-07:00
Forum: Users
Topic: Changing hue just for one channel
Replies: 12
Views: 5822

Changing hue just for one channel

Dear friends, I am not a graphic designer and I just started to read about some concepts like "channels" and "colorspace", despite of this I am trying to write a script to change the hue for a group of icons. What I need is to change the hue specifically for one channel (blue), then I tried this ...