EAPI Cutout_Rects*
evas_common_draw_context_apply_cutouts(RGBA_Draw_Context *dc)
{
Cutout_Rects* res;
int i;
int j;
if (!dc->clip.use) return NULL;
if ((dc->clip.w <= 0) || (dc->clip.h <= 0)) return NULL;
res = evas_common_draw_context_cutouts_new();
evas_common_draw_context_cutouts_add(res, dc->clip.x, dc->clip.y, dc->clip.w, dc->clip.h);
for (i = 0; i < dc->cutout.active; ++i)
{
/* Don't loop on the element just added to the list as they are already correctly clipped. */
int active = res->active;
for (j = 0; j < active; )
{
if (evas_common_draw_context_cutout_split(res, j, dc->cutout.rects + i))
++j;
else
active--;
}
}
return res;
}
EAPI Cutout_Rects*
evas_common_draw_context_apply_cutouts(RGBA_Draw_Context *dc, Cutout_Rects *reuse)
{
Cutout_Rects* res = NULL;
int i;
int j;
if (!dc->clip.use) return NULL;
if ((dc->clip.w <= 0) || (dc->clip.h <= 0)) return NULL;
if (!reuse)
{
res = evas_common_draw_context_cutouts_new();
}
else
{
evas_common_draw_context_cutouts_free(reuse);
res = reuse;
}
evas_common_draw_context_cutouts_add(res, dc->clip.x, dc->clip.y, dc->clip.w, dc->clip.h);
for (i = 0; i < dc->cutout.active; ++i)
{
/* Don't loop on the element just added to the list as they are already correctly clipped. */
int active = res->active;
for (j = 0; j < active; )
{
if (evas_common_draw_context_cutout_split(res, j, dc->cutout.rects + i))
++j;
else
active--;
}
}
/* merge rects */
#define RI res->rects[i]
#define RJ res->rects[j]
if (res->active > 1)
{
int found = 1;
while (found)
{
found = 0;
for (i = 0; i < res->active; i++)
{
for (j = i + 1; j < res->active; j++)
{
/* skip empty rects we are removing */
if (RJ.w == 0) continue;
/* check if its same width, immediately above or below */
if ((RJ.w == RI.w) && (RJ.x == RI.x))
{
if ((RJ.y + RJ.h) == RI.y) /* above */
{
RI.y = RJ.y;
RI.h += RJ.h;
RJ.w = 0;
found = 1;
}
else if ((RI.y + RI.h) == RJ.y) /* below */
{
RI.h += RJ.h;
RJ.w = 0;
found = 1;
}
}
/* check if its same height, immediately left or right */
else if ((RJ.h == RI.h) && (RJ.y == RI.y))
{
if ((RJ.x + RJ.w) == RI.x) /* left */
{
RI.x = RJ.x;
RI.w += RJ.w;
RJ.w = 0;
found = 1;
}
else if ((RI.x + RI.w) == RJ.x) /* right */
{
RI.w += RJ.w;
RJ.w = 0;
found = 1;
}
}
}
}
}
/* Repack the cutout */
j = 0;
for (i = 0; i < res->active; i++)
{
if (RI.w == 0) continue;
if (i != j)
RJ = RI;
j++;
}
res->active = j;
return res;
}
return res;
}
