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'[PICLIST] Display editor for graphic LCD displays'
2000\10\27@003528 by David Huisman

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Hi,

I am just presently making a small utility to allow graphics to be drawn on
a grid that represents the pixels on a LCD graphic display and outputs a
line of C, PIC code that sets up a table with the values to send to the
display.

At present it suits the 240 x 65 pixel LCD but I will be adding other
drivers for various displays.
It is suitable for creating custom fonts and graphic displays.

Anyone have interest in this software or wants to contribute ideas for
development of the program. Just email me. It runs under Windows 95/98.

Regards

David Huisman

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2000\10\27@022804 by Adlam Frank

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Please post it to the PICLIST when completed.  It will be very much
appreciated and used.
Thanks David!

{Original Message removed}

2000\10\27@035011 by Alan B. Pearce

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>Please post it to the PICLIST when completed.  It will be very much
>appreciated and used.
>Thanks David!

I second that.

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2000\10\27@055732 by -8859-1?Q?Roland_K=F6hler?=

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Hi,

a pretty usable approach I use is to draw lines and chars in a paint program
with a sheet size setup equal to the target LCD, then convert to C source
with a VB hack.

Regards,

rk.

-----Original Message-----
......... Anyone have interest in this software or wants to contribute ideas
for
development of the program. Just email me. It runs under Windows 95/98.

Regards

David Huisman

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2000\10\27@065042 by mike

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On Fri, 27 Oct 2000 14:35:22 +1000, you wrote:

>Hi,
>
>I am just presently making a small utility to allow graphics to be drawn on
>a grid that represents the pixels on a LCD graphic display and outputs a
>line of C, PIC code that sets up a table with the values to send to the
>display.
>
>At present it suits the 240 x 65 pixel LCD but I will be adding other
>drivers for various displays.
>It is suitable for creating custom fonts and graphic displays.
>
>Anyone have interest in this software or wants to contribute ideas for
>development of the program. Just email me. It runs under Windows 95/98.
>
>Regards
>
>David Huisman
A couple of suggestions : Instead of writing your own drawing code, maybe it would be better to
just be able to convert a BMP file - that way you can use whatever
graphics package is appropriate to the application. At the very least a 'BMP import, or better, a Windows cut/paste
interface would be a very useful addition. BMP format is a doddle to
read, especially if you limit to a specific number of colours.  I used this method a while ago to create some dot-matrix icons with a
Turbo Pascal hack to create a lookup table include file.  
This would also provide a neat way of 'borrowing' nice typefaces.....
Come to think about it, it ought to be fairly easy to convert truetype
fonts to bitmap data of the required size automatically......

Obviously it would be useful to have reasonable flexibility in the
output format - C, Asm, bit-order, RETLW table/ packed data for F87x
parts, .hex files for eeproms etc. etc.....

Perhaps this could be made flexible using some kind of
parameter-substitution method, i.e. the user enters a 'template' for
the required output format into which the program inserts the data - a
bit like "printf" syntax.
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2000\10\27@080413 by Bob Ammerman

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I use the bitmap editor built into M$ Visual C++. The MFC C++ program that
contains the bitmaps then translates them into ASM code that can be included
in my source program.

Works great. Very easy.

Bob Ammerman
RAm Systems
(contract development of high performance, high function, low-level
software)

----- Original Message -----
From: Roland Köhler <EraseMEinfospam_OUTspamTakeThisOuTVIENNAMICRO.COM>
To: <PICLISTspamspam_OUTMITVMA.MIT.EDU>
Sent: Friday, October 27, 2000 5:55 AM
Subject: Re: Display editor for graphic LCD displays


> Hi,
>
> a pretty usable approach I use is to draw lines and chars in a paint
program
> with a sheet size setup equal to the target LCD, then convert to C source
> with a VB hack.
>
> Regards,
>
> rk.
>
> {Original Message removed}

2000\10\27@084245 by James Paul

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David,

Although I don't have any ideas presently to contribute, I would
however like to have use of the finished product.  This sounds
like a very worthwhile endeavor.   And if I come up with any ideas,
I will forward them to you at once.

                                           Thanks and Regards,

                                                  Jim



On Thu, 26 October 2000, David Huisman wrote:

{Quote hidden}

KILLspamjimKILLspamspamjpes.com

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2000\10\27@085726 by John Gerthoffer

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Hi all,

I wrote a Delphi app that does this.  I used it with my PIC project.  We
used a 122x32 graphics LCD.  I needed large numbers and made BMP's of 0-9
using 18pt Arial font.  Worked well.

If anyone is interested in it, let me know. I would be happy to provide full
Delphi source. (And am interested in C++ source of something similar...)


John Gerthoffer
Software Engineer
American Auto-Matrix, Inc.
Smart Building Solutions
724/733-2000 x342


>
>
>{Original Message removed}

2000\10\27@085936 by M. Adam Davis

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I have interest in the software, as others have asked, please post it to the
piclist.  I also have web space I can store it on for you if you would like.

As far as as ideas you might want to implement:
Import/export BMP
Read in its own output files (ie, take a C file and extract the bitmap images
from it)
Be able to slice up an image into 8x8, 8x16, 16x8, 16x16 bit images for font
work.
Along with being able to create circles, lines, etc, also have a text tool which
allows selection of font, size, attributes (bold, italic, reverse, upside down)
and making a proportional font a mono-space font.

However, whatever you have and make would be greatly appreciated!

-Adam

David Huisman wrote:
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2000\10\27@093843 by Adlam Frank

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Please mail to PICLIST.  We are interested!

-----Original Message-----
From: John Gerthoffer [RemoveMEjgerthofferspamTakeThisOuTAAMATRIX.COM]
Sent: 27 October 2000 02:56
To: PICLISTEraseMEspam.....MITVMA.MIT.EDU
Subject: Re: Display editor for graphic LCD displays


Hi all,

I wrote a Delphi app that does this.  I used it with my PIC project.  We
used a 122x32 graphics LCD.  I needed large numbers and made BMP's of 0-9
using 18pt Arial font.  Worked well.

If anyone is interested in it, let me know. I would be happy to provide full
Delphi source. (And am interested in C++ source of something similar...)


John Gerthoffer
Software Engineer
American Auto-Matrix, Inc.
Smart Building Solutions
724/733-2000 x342


{Quote hidden}

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2000\10\27@110557 by John Gerthoffer

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Dudes,

I just moved/built/updated my web page.
Go to http://www.geocities.com/jrgert/ and check out the Source Code page.



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2000\10\28@173206 by Andy Howard

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> From: "Roland Kvhler" <KILLspaminfospamBeGonespamVIENNAMICRO.COM>

> Hi,
> a pretty usable approach I use is to draw lines and chars in a paint
program
> with a sheet size setup equal to the target LCD, then convert to C source
> with a VB hack.

I've done something similar using bin2hex to get a datafile for uploading,
but an all-in one util to draw and generate code from would be a major bonus
IMO.


.

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2000\10\29@190327 by David Huisman

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Hi guys,

Thanks for your input on this. I did a bit more in the weekend. It now
imports a graphic file in almost any format (bmp,wmf,ico etc). You can set
up the display resolution and then stretch it to match the display size,
best fit, custom x,y and font size.

It will only produce black and white (you can set foreground and background
colour of LCD panel on screen to see effect of what it will look like). The
program simply copies the graphic into a resized panel and then reads it
pixel by pixel and only writes the black pixels to the display. If you want
a gray scale effect, you can use PhotoShop or other graphic program to
create a dithered graphic.

The present output is a ".h" header file that contains the data bytes in a
constant array that your program can read and program the device.
I am using it for 240 x 65 Dot Matrix LCD.

Though the program accomplishes all I need it to do for my application,
there are still a few small bugs that need to be "ironed" out before I can
release it.

How do I post a program to the piclist ?

Regards
David Huisman

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2000\10\29@192647 by Mark Willis

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Best to just post a URL if the code's over say 3-5 k or so, that way
those interested in the subject can download the code, the rest don't
get a larger message in their inbox.

 Mark

David Huisman wrote:
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2000\10\30@163731 by jamesnewton

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Email it to me and I'll post it at piclist.com for http download.

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