Actually I was thinking to a user defined buffer type:

struct SurfaceBuffer
{
    void* data; // used...

Okay, thanks for your answer.

So which function do i call with "cr.getTarget()" and...

you would either cr.getTarget(); or cairo.ImageSurface.ImageSurface.create.

I'm not sure how...

Thanks for your answer. But how do i access the function via the context?

It...

render to a png back buffer.

see cairo_image_surface_create_for_data

then you...

Hello,

is there any way to get the pixel color of a single pixel by...

The values passed to setSourceRgb should be between 0 and 1.

-- 
Mike Wey

My code:

http://dpaste.com/1X3E1HW

i store colors in the accumulator-array and draw...

Just for future newcomers, the answer for the above was given here:
http://forum.dlang...

...kind of hard to find explanations for GTKD.

But know i face a strange problem...