Hi,
I think this is crashing because you didn't initialize the dsc variable;
add the following lines before creating the primary surface.
dsc.flags = DSDESC_CAPS;
dsc.caps = DSCAPS_PRIMARY;
and retry this should work.
On Mon, May 4, 2009 at 12:08 PM, Ali Javadi <ali.djav...@gmail.com> wrote:
> I want to use Cairo with DirectFB, but it cause system to crash, can anyone
> help me?
>
> #include <stdio.h>
> #include <unistd.h>
> #include <directfb.h>
> #include <cairo.h>
> #include <cairo-features.h>
> /*
> * Disable cairo DirectFB backend until it becomes stable enough.
> */
>
> #ifdef CAIRO_HAS_DIRECTFB_SURFACE
> # include <cairo-directfb.h>
> #endif
>
> static IDirectFB *dfb = NULL;
> static IDirectFBSurface *primary = NULL;
> static int screen_width = 0;
> static int screen_height = 0;
>
> #define DFBCHECK(x...) \
> { \
> DFBResult err = x; \
> \
> if (err != DFB_OK) \
> { \
> fprintf( stderr, "%s <%d>:\n\t", __FILE__, __LINE__ ); \
> DirectFBErrorFatal( #x, err ); \
> } \
> }
>
> int main (int argc, char **argv)
> {
> DFBSurfaceDescription dsc;
>
> DFBCHECK (DirectFBInit (&argc, &argv));
> DFBCHECK (DirectFBCreate (&dfb));
>
> DFBCHECK (dfb->CreateSurface( dfb, &dsc, &primary ));
> DFBCHECK (primary->GetSize (primary, &screen_width, &screen_height));
>
> cairo_surface_t *csurface=cairo_directfb_surface_create(dfb,primary);
>
> cairo_surface_destroy(csurface);
>
>
> primary->Release( primary );
> dfb->Release( dfb );
>
> return 23;
> }
>
>
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>
>
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