[Announce] GraphicsMagick
 

I have done a basic recompile of GraphicsMagick. It is available in the Extras repository. I was actually looking to install ImageMagick, but the version created by Anidel is missing. So I decided to try my hand at building GraphicsMagick instead.

GraphicsMagick is a fork of ImageMagick, but does pretty much the same thing. The biggest difference is that ImageMagick has a lot of small binaries (e.g. convert, identify, display, etc.) while GraphicsMagick has one binary (gm) which takes a parameter as to what you actually want to do (e.g. gm convert -resize 640x480 pict.png pict.jpg).

This is a very basic recompile. The command line tools should work as expected. I removed all of the installed documentation (5MB!) so you'll have to look online for the command line options.

I have provided an applications icon which launches "gm display", a sort of GUI for GraphicsMagick. However since it is a standard X11 program (NOT hildonized), there are several problems. First, you will need a hardware keyboard or xkbd to enter text into textboxes. Second, there is no icon for the running application, so don't minimize it! It is difficult to get it back. Third, the popup windows are stuck unless you have hacked matchbox to allow for movable windows (i.e. DIALOGMODE=free). You can also download the hacked version of the matchbox-window-manager to have the free moving windows centered on the screen.

Here's how I did it.
Reboot the tablet to see the changes.

My main goal was to get the command line utilities working, so I didn't spend a lot of time testing the "gm display" GUI. I used my own scratchbox setup to compile for gregale and bora, and I used the autobuilder for chinook and diablo.

Re: [Announce] GraphicsMagick
 

At last! Every now and then I need an application to do some kind of image manipulation on pictures before I upload them to my blog. I'm fine with command line programs and although I don't know gm yet, I'm sure I'll know basic operations by heart in no time.

Thank you!

Re: [Announce] GraphicsMagick
 

This is just what I need. I normally use imagemagick on a laptop to reduce/rotate images before posting to flickr over GPRS. My set of convert commands works fine with this - except that it doesn't recognise -strip (to remove metadata) - which I can live with.

Thanks.

Dave

Re: [Announce] GraphicsMagick
 

Update!

I have compiled GraphicsMagick for gregale and bora using my scratchbox environment. They should be available via the "extras" repository soon.

However, I have not had a chance to test either distribution, so I would really appreciate if someone could install and verify that they actually work. (I had to do some weird stuff to get it to compile in my gregale scratchbox, so I don't know if it will even run.) Thanks for your help!

Re: [Announce] GraphicsMagick
 

Just a warning folks... the tablet's processor isn't very powerful, so you might be surprised at how long it takes to do operations on pictures, especially large ones.

Re: [Announce] GraphicsMagick
 

As a followup, I tested both gregale and bora distributions on my 770, and they seemed to work just fine. I only tested the basic "gm convert", "gm identify", and "gm display" commands, so there might be other issues. Please let me know if you find any problems.

And qole is right in saying that working with large images is very time-consuming. But the same was true with ImageMagick.

Re: [Announce] GraphicsMagick
 

Help please. After installing the chinook binary, all my applcation menu icons disappeared. I did a but they didn't come back. What to do next? :-(
In the meantime, I'm going to examine the post-install script, where the culprit might be.

EDIT: my fault, don't mind. My rootfs is full ;-(

Re: [Announce] GraphicsMagick
 

As root;

Re: [Announce] GraphicsMagick
 

This definitely has to go into the wiki. And, also, this prompted me to do a complete rootfs backup :rolleyes: Thanks, Faheem, a lot :D

Re: [Announce] GraphicsMagick
 

hmm, now if there was a way to make that menu move of to the side, or share screen space with the main window rather then sit on top of it...

Re: [Announce] GraphicsMagick
 

The quickest way is to hack matchbox so that the menu window is movable (directions shown in the first post). But IMO, the main utility is the "gm convert" command line app. I think it's just too difficult to accurately resize/crop an image using the GUI.

Re: [Announce] GraphicsMagick
 

and i would not even know where to start to crop a image by cli...

Re: [Announce] GraphicsMagick
 

All of the "convert" options can be found here.

Using GraphicsMagick to crop an image, you can either use "crop" or "shave". Use crop if you want to specify the size of the cropped image, or use shave if you want to specify the amount to remove from the edges.

So, if you want to take an 800x600 wallpaper and make an 800x480 version of it by just cropping the centre of the image, do this:

Re: [Announce] GraphicsMagick
 

Unfortunately, qole's example works only in ImageMagick, not in GraphicsMagick since GraphicsMagick does not support the +repage option. But the command works if you remove that option.

See also: GraphicsMagick overview
Manpage: gm convert

Here's an example that fetches a big image, resizes it to 800 pixels wide, crops it to 800x480 centered, "flops" it (left-to-right), and displays the final result:

Re: [Announce] GraphicsMagick
 

thanks, terrancegf,

I tested that in ImageMagick, not GraphicsMagick. I personally don't understand why IM doesn't work the way that GM works. You should be able to use "-gravity Center" and it should just work. So GM works "as expected" for me...

Thanks again for this port. What's the installed size?

Re: [Announce] GraphicsMagick
 

According to wikipedia, GraphicsMagick forked from ImageMagick v.5.5.2. (ImageMagick is now at v.6.4.9). So they are not identical. One thing I really miss from ImageMagick is the "^" option for -geometry/-resize, which lets you specify the minimum dimensions for the resulting image. Oh well.

According to the Application Manager, it is 7.4MB. However, when I manually extract everything from the .deb, I calculate it is about 7.0M. If I had left in the docs, that would have increased the size by about 5.2MB.

Re: [Announce] GraphicsMagick
 

For an icon in the applcation switcher, add to /usr/share/applications/hildon/graphicsmagick.desktop.

http://qwerty12.maemobox.org/slice/screenshot04.png

Re: [Announce] GraphicsMagick
 

Where can this converter package be downloaded? i cannot seem to find it in the repositories.