[cairo] Regarding saving a image surface as PNG

[Chandra Shekhar Sengupta]

hi, i have incorporated the changes suggested by you. i got a error "invalid
value for an input cairo_format_t". i have checked the permission, it is
read write.

On Thu, Apr 17, 2008 at 6:39 PM, Chris Wilson <chris at chris-wilson.co.uk>
wrote:

> On Thu, 2008-04-17 at 18:24 +0530, Chandra Shekhar Sengupta wrote:
> > Hi ,
> > i have tried with adding "get_target" in all possible places, but
> > still "write_png" is saving zero byte png.i have attched the full
> > code . Could you tell how to save that surface?
>
> Compiled and ran your example - it generated 'sticker.png' flawlessly.
>
> > if(cairo_surface_status(tsurf) != CAIRO_STATUS_SUCCESS)
> >  g_print(" nil surface \n");
> > else
> >  cairo_surface_write_to_png (tsurf, "sticker.png");
>
> I'd suggest replacing this section to check the status return from
> cairo_surface_write_to_png(), i.e.
>        status = cairo_surface_write_to_png (tsurf, "sticker.png");
>        if (status) {
>                g_print ("Failed to write \"%s\": %s\n",
>                         "sticker.png",
>                         cairo_status_to_string (status));
>        }
>
> However, I would first check the permissions on 'sticker.png'.
>
> --
> Chris Wilson
>
>


-- 
Regards,
Chandra Shekhar Sengupta
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