World: r3wp

I've done an appbar that sits on the desktop. It doesn't use the 
officel APPBAR APIs, just emulates the slide on/off bit. It's not 
perfect, but not horrific either. Basically, I have a timer and target 
locations, FSM driven. When in a given state, and an event occurs, 
it sets the target position and then moves towards it on each timer 
tick. When the window deactivates (using insert-event-func to catch 
that), slide off. When it activates, slide on.


It's not perfect, because you can't do it on a mouse hover, and I 
haven't tried to make it work on multiple montors. With my new setup, 
it slides off the center monitor and onto the left edge of the right 
monitor. :-\

I'm working with resizing fields.  Setting the size of the field 
would be a good start. Figuring how to size the text-list on a window 
resize event would be a bonus.
I took a sample from the docs and modifed slightly.

REBOL []


displayData: ["A very long entry that will exceed the default width 
of the field that is displaying it."]
view/options/title layout [

 lines: text-list 640x480 bold font-size 14 font-name font-fixed data 
 to-block displayData [  		;; not sure how to auto-size the text-list 
 either 

 see-it/text: first lines/picked										;; how do I size this field
	show see-it												;; maybe its done here  
	]													;;
	see-it: info												;; or here?								
] [resize] "Test"

Thanks again in advance.

Basically you need to perform the resizing as an event function of 
the window using insert-event-func and set up sizes manually for 
each element that you wish to resize. However this is very tedious 
in the long run and very un-rebolish as there are absolutely no functions 
to handle resizing in standard VID/View.

So BrianH and I wrote a prototype for a resize engine, which we hoped 
would be part of REBOL/View 2.7.7. Brian is probably against spreading 
it as it's not debugged and complete, but I want to give it to you 
anyway, because I use it and it works fairly well, at least much 
better than the nightmare of manual resizing.

http://rebol.hmkdesign.dk/files/resize/vid-resize.r

A couple of examples in the bottom. You need to add some resizing 
hints for each element you want to resize, but we'll get to that.

Thanks Henrik.  I'll take a look.

http://anton.wildit.net.au/rebol/gui/demo-resize-text-list.r

i need help . i run rebol 2.7.6 on ubuntu desktop - i get error  
: ** User Error: Bad face in screen pane!
** Near: size-text self

Micha, I think you just need to install additional fonts. The following 
links may be helpful:
http://mail.rebol.net/maillist/msgs/42419.html
https://wiki.ubuntu.com/Fonts#EnablingBitmapped Fonts

thanks

How to clear image cache used by VID?

in which context is the 'image-cache ?

Just discussed something along those lines in vid+
Anton suggests setting to none

ech.. it's local in load-image function, sothe only way is ugly:

error? try [load-image/clear %foo]

clear second second :load-image

(an alternative way, still ugly, of course.)

amacleod: Oldes is talking about the LOAD-IMAGE function (not LOAD), 
with the image cache block only to be found in the LOAD-IMAGE function 
body, so we can't just set to NONE, here, unfortunately. (See the 
source of load-image.)

I'll have aa look thanks, Anton.

How do I get the window to resize withthe image face?

pic1: load %pic.jpg
pic_size: 200x200
view/new lay: layout [pic: image pic1 pic_size]
wait 2
unview lay 
pic/size: 50x50
view/new lay

you need to get a resize event from the window and apply that to 
the image. you can use INSERT-EVENT-FUNC for that.

sorry, I misread...

lay/size needs to be set as well. Do that near pic/size.

Got it...thanks henrik...

img: load %your-image.png

view window: layout [pic: image img button "change size" [pic/size: 
300x200 window/size: pic/offset * 2 + pic/size show window]]

Can rebol save in jpg format?

Never mind, I found a link Anton posted for image Magick image saver...

If you mean this link: http://box.lebeda.ws/~hmm/rebol/save-image.html
 than you should know that I fixed a memory leak now. (and added 
a /quality refinement)

I have much more routines from IM, but I must to clean the sources 
a bit.

not entirely free, but powerfull - http://xnview.com/en/features_nc.html
  It enabled to Carl to batch process Italy devcon images in few 
minutes - no wrapper needed, just a command line ...

You don't need wrapper, but you cannot do: save-image %test.jpg to-image 
layout [button "hello world"]

Also IM can be used as a command line tool, which I was doing quite 
a long time. But finally I'm working on wrapper as it's faster than 
doing many calls to external app. Of course.. if you want to resize 
100 photos per year, you don't care if it's call or by using wrapper.

you can save temporarily as tmp, do whatever you want to image afterwards. 
I would not estimate overhead of calling an external app. Especially 
on unix systems, many tools are just command line tools anyway,no? 
:-)

Thanks for the info guys.

Oldes, its for a personal tool so I can dfeal with the memory leak 
but the quality refinement sounds useful.

I'll check out XNVIEW too..

Can you have an inform window without hte title bar (and border)?

Try rolling your own maybe... source inform.... would give you the 
important bits I would guess.

Just checking incase something was not documented..

For some reason I can't get  %CORE_RL_wand_.dll to load using Oldes' 
save-image script. I have it in the same directory as the script 
and I tried it in the systemn folders...
error:
** Access Error: Cannot open CORE_RL_wand_.dll as library
** Where: context

** Near: lib_ImageMagickWand: load/library either system/version/4 
=

what happens if you try it from the console?

I treied "doing the script from console..same error.

It might be a version problem...
Using ImageMagick-6.4.9-Q16

I get a different error with version:  ImageMagick-6.3.2-Q16
errror:

The procedure entry point MagickOpenStream could not be located in 
dynamic link library CORT_RL_.dll

I think you may need to right-click the DLL from Windoze Explorer 
and register it.

I also get different erros if I launch script from within magick 
folder:

** Access Error: Cannot open MagickImportImagePixels
** Where: context
** Near: set routine make routine! specs 
with older version

register it?
Never did that before.
I do not see anything in hte right click menu about registering

I'm probably wrong then.  It's been a few years since I played with 
it...

From inside folder of the newer version I get a Visual C++ Runtime 
errror...

program ..rebol.exe

R6034

An application has made an attempt to load the C runtime library 
incorrectly.
Please contact the application's support team for more info..

I comneted out all references to "MagickImportImagePixels" and it 
starts without error...

but anytime I try to save it says I do not have the Encoder for that 
file format...:


** User Error: 0 = NoEncodeDelegateForThisImageFormat `C:\Documents 
and Settings\Alan\Desktop\ImageMagick-6.3.2-Q16\test.jpg'
** Near: make error! errmsg

Alan, do you have DEP turned on? I did, and I saw the same problem.

you need the other libs as well I think.

for jpeg support it will be the CORE_RL_jpeg_.dll

and I'm using ImageMagick 6.4.9-6 2009-02-18 Q16 - the older may 
be different so that's why for example the MagickImportImagePixels 
is missing.