Re: PDL and SDL

>

> Hi,
>
> Love your work PDL btw. I was actually trying out PDL today. Anywho  
> SDL_Rect is a simple struct  with 4 ints. If you are looking to draw  
> data straight to SDL for Display purposes. You are looking for  
> SDL_Surface. If you are using Video memory SDL_Overlay.  
> Unfortunately the current code on CPAN is not prepare to meet your  
> demands. However we have already implemented access to both these  
> structs and their attributes in our redesign branch. Please join us  
> on #sdl irc.perl.org . You can grab the code here http:://github.com/ 
> kthakore/SDL_Perl
>
> You need the redesign branch.
>
> Kartik Thakore
>
> On 5-Nov-09, at 9:30 AM, David Mertens <[email protected]> wrote:
>
>> Hey folks -
>>
>> I'm working on creating a simulation/animation for my research.  I  
>> mostly
>> use PDL for my computational stuff.  I was reading through your  
>> docs and it
>> occurred to me that it would be really handy if there was some way to
>> convert between a Rectangle and a piddle.  I assume that a  
>> rectangle object
>> is stored in memory as an array packed into a scalar, or something  
>> like
>> that.  PDL has powerful element selection capabilities and can make  
>> writing
>> hand-rolled C code a cinch.  Perhaps we could work together to  
>> create a
>> couple of functions that look like:
>>
>> my ($red_piddle, $green_piddle, $blue_piddle, $alpha_piddle) =
>> sdl_rect_to_pdl($rectangle);
>> # do something with the values in the different channels.
>> $rectangle = pdl_to_rect($red_piddle, $green_piddle, $blue_piddle,
>> $alpha_piddle);
>>
>> This could be very powerful.  What do you think?
>>
> I like it.
>> Thanks!
>> David
> Thanks for saving me the effort of seeking you out to use SDL.
>
> Kartik Thakore