C++ (Cpp) eina_rectangle_union Examples

Example #1

static void 
_evas_swapper_buffer_put(Wl_Swapper *ws, Wl_Buffer *wb, Eina_Rectangle *rects, unsigned int count)
{
   Eina_Rectangle *rect;

   LOGFN(__FILE__, __LINE__, __FUNCTION__);

   /* check for valid swapper */
   if (!ws) return;

   /* make sure swapper has a surface */
   if (!ws->surface) return;

   /* check for valid buffer */
   if (!wb) return;

   /* make sure buffer has mapped data */
   if ((!wb->data) || (!wb->buffer))
     {
        /* call function to mmap buffer data */
        /* if (!_evas_swapper_buffer_new(ws, wb)) */
        return;
     }

   rect = eina_rectangle_new(0, 0, 0, 0);
   if ((rects) && (count > 0))
     {
        unsigned int i = 0;

        for (i = 0; i < count; i++)
          eina_rectangle_union(rect, &rects[i]);
     }
   else
     {
        Eina_Rectangle r;

        r.x = 0; r.y = 0;
        r.w = wb->w; r.h = wb->h;

        eina_rectangle_union(rect, &r);
     }

   /* surface attach */
   if (ws->buffer_sent != wb)
     {
        wl_surface_attach(ws->surface, wb->buffer, ws->dx, ws->dy);
        ws->dx = 0;
        ws->dy = 0;
        ws->buffer_sent = wb;
     }

   wl_surface_damage(ws->surface, rect->x, rect->y, rect->w, rect->h);

   /* surface commit */
   wl_surface_commit(ws->surface);

   eina_rectangle_free(rect);
}

Example #2

File: eina_test_rectangle.c Project: FlorentRevest/EFL

END_TEST

START_TEST(eina_rectangle_union_intersect)
{
   Eina_Rectangle r1, r2, r3, r4, r5, r6, rd;

   fail_if(!eina_init());

   EINA_RECTANGLE_SET(&r1, 10, 10, 50, 50);
   EINA_RECTANGLE_SET(&r2, 20, 20, 20, 20);
   EINA_RECTANGLE_SET(&r3, 0,   0, 10, 10);
   EINA_RECTANGLE_SET(&r4, 30, 30, 50, 50);
   EINA_RECTANGLE_SET(&r5, 10, 10, 0, 0);
   EINA_RECTANGLE_SET(&r6, 30, 30, 0, 0);

   rd = r1;

   fail_if(eina_rectangle_intersection(&rd, &r3));
   fail_if(!eina_rectangle_intersection(&rd, &r2));

   fail_if(rd.x != r2.x
           || rd.y != r2.y
           || rd.w != r2.w
           || rd.h != r2.h);

   rd = r1;

   fail_if(!eina_rectangle_intersection(&rd, &r4));

   fail_if(rd.x != 30
           || rd.y != 30
           || rd.w != 30
           || rd.h != 30);

   rd = r1;
   eina_rectangle_union(&rd, &r2);
   fail_if(rd.x != r1.x
           || rd.y != r1.y
           || rd.w != r1.w
           || rd.h != r1.h);

   rd = r1;
   eina_rectangle_union(&rd, &r3);
   fail_if(rd.x != 0
           || rd.y != 0
           || rd.w != 60
           || rd.h != 60);

   rd = r3;
   eina_rectangle_union(&rd, &r4);
   fail_if(rd.x != 0
           || rd.y != 0
           || rd.w != 80
           || rd.h != 80);

   rd = r5;
   eina_rectangle_union(&rd, &r6);
   fail_if(rd.x != 10
           || rd.y != 10
           || rd.w != 20
           || rd.h != 20);

   eina_shutdown();
}