[Bf-committers] BLF_draw_default not working

Andrew Green greeniekin at gmail.com
Fri Sep 10 14:26:34 CEST 2010

Thank you Kent Mein.
I managed to get it working. I'm not expecting this to become a patch.
It is just for me and a friend to make tutorial for each other easily.
So having wrong structure isn't too much of a worry.
Here is the result http://www.youtube.com/watch?v=cgRCqUIjnXc

I was thinking though this would be good to have. Though not how I've done it.
The keyboard display should be a panel that is added. So the keyboard
shortcuts won't get in the way of blender tools.
Also the mouse could be done a lot better with it only getting written
as it is getting converted to video. Rather than drawing in opengl on
the screen.

On Fri, Sep 10, 2010 at 12:47 AM, Kent  Mein <mein at cs.umn.edu> wrote:
> In reply to Andrew Green (greeniekin at gmail.com):
> Hi Andew,
> I commented your forum link on this but just incase you didn't see it,
> I'm including it here.
> Your trying to insert it way to low in the code.
> GHOST is the window manager, it doesn't know anything about
> the BLI stuff.  If you look closely at the code I think you'll see that you
> don't have the proper context in the GHOST code for the BLI stuff.
> Do a search through the code for BLF_draw_default
> and look for where it shows up. You probably want to put it
> in the 3D window where other stuff is drawn anyway, maybe where it
> draws the labels for X,Y,Z etc...  Try first inserting it next to
> another call to BLF_draw_default and then go from there.
> Thanks,
> Kent
>> Date: Wed, 8 Sep 2010 19:17:32 +1000
>> From: Andrew Green <greeniekin at gmail.com>
>> To: bf-committers at blender.org
>> Subject: [Bf-committers] BLF_draw_default not working
>> Reply-To: bf-blender developers <bf-committers at blender.org>
>> I have never programmed in blender before. so I am unfamiliar with how
>> blender works.
>> Anyway I was playing with screencast and noticed you could not see
>> users cursor. I decided to fix this by adding a cursor drawn in
>> opengl(which would get saved in the video file) and add a display of
>> key's being pressed
>> I just wanted to do a quick job by doing it just before the buffer was flipped.
>> so in wm_window.c
>> in void wm_window_swap_buffers(wmWindow *win)
>> i made a triangle at cursor position. all well and good and it worked.
>> I then added a linked list adding an element every time a key was
>> pressed removing it when it was lifted which worked all good.
>> Then i tried to print text to the screen. someone told me
>> BLF_draw_default was the way to go
>> And no matter how i call it. it will not work
>> even something like BLF_draw_default(2, 2, 0.0f, "x");
>> does not work
>> I've been going crazy trying to get it works for hours and hours.
>> If anyone can tell me how to get it to work or why it wont work when
>> being called in
>> void wm_window_swap_buffers(wmWindow *win)
>> I will be extremely grateful.
>> here is a quick look of what i have so far
>> http://www.youtube.com/watch?v=U5eyYMmZA4s
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> --
> mein at cs.umn.edu
> http://www.cs.umn.edu/~mein
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