Very Computer

by **davi** » Sat, 08 Jan 2000 04:00:00

http://icards.mac.com/WebObjects/iCards

I'm wondering what is the technology used behind this page.

The result is a jpeg file ???

It's great, but I wille certainly no sleep tonight.

by **David Phillip Oste** » Sun, 09 Jan 2000 04:00:00

> http://icards.mac.com/WebObjects/iCards

> I'm wondering what is the technology used behind this page.
> The result is a jpeg file ???
> It's great, but I wille certainly no sleep tonight.

Can you be more specific? What do you see as difficult about this?

by **davi** » Sun, 09 Jan 2000 04:00:00

>> http://icards.mac.com/WebObjects/iCards

>> I'm wondering what is the technology used behind this page.
>> The result is a jpeg file ???
>> It's great, but I wille certainly no sleep tonight.

>Phillip Oster wrote > Can you be more specific? What do you see as difficult

about this?

For me the difficulty is to dynamicaly generate a graphic file containing a
specific message with a specific font. I'm wonderring which commercial
application can do this.

David

by **Tony Lewi** » Sun, 09 Jan 2000 04:00:00

> For me the difficulty is to dynamicaly generate a graphic file containing a
> specific message with a specific font. I'm wonderring which commercial
> application can do this.

Lots of them. It's not that hard to take a bit-mapped version of anything
displayed on the screen and turn it into a file of any graphic format (including
JPEG).

You can go get some sleep now.

Tony

by **David M. Palme** » Sun, 09 Jan 2000 04:00:00

[[ This message was both posted and mailed: see
the "To," "Cc," and "Newsgroups" headers for details. ]]

> For me the difficulty is to dynamicaly generate a graphic file containing a
> specific message with a specific font. I'm wonderring which commercial
> application can do this.

You can even do it with AppleScript by scripting Corel Draw/Paint.

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by **Lord Apolly** » Tue, 25 Jan 2000 04:00:00

> For me the difficulty is to dynamicaly generate a graphic file containing a
> specific message with a specific font. I'm wonderring which commercial
> application can do this.

On UNIX, we've been able to do it with PHP3 (dynamic web content language)
and the "gd" graphics library with the freetype library. Very easy. On a
Macintosh web-server, WTFK.

=R=

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by **David Phillip Oste** » Tue, 25 Jan 2000 04:00:00

> For me the difficulty is to dynamicaly generate a graphic file
> containing a
> specific message with a specific font. I'm wonderring which commercial
> application can do this.

What's the big deal? You have an application with a name that ends in
the extension .acgi in the folder you are publishing with the Personal
Web Sharing control panel. It gets called with a "handle CGI request"
(to see this, use Script Editor's "Open Dictionary..." menu command to
open the "Standard Additions" file, in the "Scripting Addtitions"
folder.) (an .acgi rather than a .cgi, so it will get called repeatedly
to field requests, so you won't have to pay the cost to keep launching
it and quitting it.)

The program extracts its arguments from the appleEvent. It uses
Quickdraw to draw on the pixmap of an offscreen GWorld. it uses
Quicxktime Graphic Importers to copy the contents of the offscreen
GWorld into a JPEG file in a handle. It returns that handle as the
result of the AppleEvent. Personal web sharing returns it to you as the
result of the URL.

All straight forward, standard Macintosh system calls. No magic.

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