LOCAL void rfb_setrealcliprect(struct rfb_Display *mod, struct rfb_Window *v)
{
v->rfbw_ClipRect = v->rfbw_UserClipRect;
TBOOL res = region_intersect(v->rfbw_ClipRect.r, v->rfbw_WinRect.r);
if (!(v->rfbw_Flags & RFBWFL_BACKBUFFER))
{
struct Rect s;
REGION_RECT_SET(&s, 0, 0, mod->rfb_Width - 1, mod->rfb_Height - 1);
if (!region_intersect(v->rfbw_ClipRect.r, s.r))
res = TFALSE;
}
if (!res)
v->rfbw_ClipRect.r[0] = -1;
}
LOCAL TBOOL fbp_copyarea(struct rfb_Display *mod, struct rfb_Window *v,
TINT dx, TINT dy, TINT dr[4], struct THook *exposehook)
{
if (v->rfbw_ClipRect.r[0] < 0 || !region_intersect(dr, v->rfbw_ClipRect.r))
return TFALSE;
TBOOL check_expose = fbp_copyarea_int(mod, v, dx, dy, dr);
if (check_expose && exposehook)
{
struct RectPool *pool = &mod->rfb_RectPool;
struct Region R, L;
if (rfb_getlayers(mod, &R, v, 0, 0))
{
if (rfb_getlayers(mod, &L, v, dx, dy))
{
if (region_subregion(pool, &L, &R) &&
region_andrect(pool, &L, dr, 0, 0))
fbp_doexpose(mod, v, &L, exposehook);
region_free(pool, &L);
}
region_free(pool, &R);
}
}
return check_expose;
}
void display_region_list_add(struct display_t * disp, struct region_t * r)
{
struct region_t region;
if(disp)
{
region_init(®ion, 0, 0, disp->fb->width, disp->fb->height);
if(region_intersect(®ion, ®ion, r))
region_list_add(disp->rl, ®ion);
}
}
LOCAL void rfb_markdirty(struct rfb_Display *mod, struct rfb_Window *v,
TINT *r)
{
if (r[2] < r[0] || r[3] < r[1])
return;
TINT d[4];
TUINT align = RFB_DIRTY_ALIGN;
d[0] = r[0] & ~align;
d[1] = r[1] & ~align;
d[2] = (r[2] & ~align) + align;
d[3] = (r[3] & ~align) + align;
if (region_intersect(d, v->rfbw_WinRect.r))
{
TBOOL winbackbuffer = v->rfbw_Flags & RFBWFL_BACKBUFFER;
TBOOL res = TTRUE;
if (!winbackbuffer)
{
struct Rect s;
REGION_RECT_SET(&s, 0, 0, mod->rfb_Width - 1, mod->rfb_Height - 1);
res = region_intersect(d, s.r);
}
if (res)
{
region_orrect(&mod->rfb_RectPool,
winbackbuffer ? &v->rfbw_DirtyRegion : &mod->rfb_DirtyRegion,
d, TTRUE);
if (winbackbuffer)
v->rfbw_Flags |= RFBWFL_DIRTY;
else
mod->rfb_Flags |= RFBFL_DIRTY;
}
}
}
static TINT rfb_cmdrectaffected(struct rfb_Display *mod, struct TVRequest *req,
TINT result[4], TBOOL source_affect)
{
struct rfb_Window *v = TNULL;
TINT *rect = TNULL;
TINT *xywh = TNULL;
TINT temprect[4];
switch (req->tvr_Req.io_Command)
{
default:
/* not affected, no rect */
return 0;
case TVCMD_FLUSH:
case TVCMD_SETATTRS:
case TVCMD_CLOSEWINDOW:
/* yes, affected, but no rect */
return -1;
/* window rect: */
case TVCMD_DRAWSTRIP:
v = req->tvr_Op.Strip.Window;
break;
case TVCMD_DRAWFAN:
v = req->tvr_Op.Fan.Window;
break;
case TVCMD_TEXT:
v = req->tvr_Op.Text.Window;
break;
/* specific rect: */
case TVCMD_RECT:
v = req->tvr_Op.Rect.Window;
xywh = req->tvr_Op.Rect.Rect;
break;
case TVCMD_FRECT:
v = req->tvr_Op.FRect.Window;
xywh = req->tvr_Op.FRect.Rect;
break;
case TVCMD_LINE:
v = req->tvr_Op.Line.Window;
xywh = req->tvr_Op.Line.Rect;
break;
case TVCMD_DRAWBUFFER:
v = req->tvr_Op.DrawBuffer.Window;
xywh = req->tvr_Op.DrawBuffer.RRect;
break;
case TVCMD_COPYAREA:
{
v = req->tvr_Op.CopyArea.Window;
TINT *s = req->tvr_Op.CopyArea.Rect;
TINT dx0 = req->tvr_Op.CopyArea.DestX;
TINT dy0 = req->tvr_Op.CopyArea.DestY;
TINT sx0 = s[0];
TINT sy0 = s[1];
TINT sx1 = s[0] + s[2] - 1;
TINT sy1 = s[1] + s[3] - 1;
TINT dx = dx0 - sx0;
TINT dy = dy0 - sy0;
TINT dx1 = sx1 + dx;
TINT dy1 = sy1 + dy;
rect = temprect;
if (source_affect)
{
rect[0] = TMIN(sx0, dx0);
rect[1] = TMIN(sy0, dy0);
rect[2] = TMAX(sx1, dx1);
rect[3] = TMAX(sy1, dy1);
break;
}
rect[0] = dx0;
rect[1] = dy0;
rect[2] = dx1;
rect[3] = dy1;
break;
}
case TVCMD_PLOT:
v = req->tvr_Op.Plot.Window;
rect = temprect;
rect[0] = req->tvr_Op.Plot.Rect[0];
rect[1] = req->tvr_Op.Plot.Rect[1];
rect[2] = req->tvr_Op.Plot.Rect[0];
rect[3] = req->tvr_Op.Plot.Rect[1];
break;
}
if (v->rfbw_ClipRect.r[0] == -1)
return 0;
if (xywh)
{
rect = temprect;
rect[0] = xywh[0];
rect[1] = xywh[1];
rect[2] = xywh[0] + xywh[2] - 1;
rect[3] = xywh[1] + xywh[3] - 1;
}
if (rect)
{
result[0] = rect[0] + v->rfbw_WinRect.r[0];
result[1] = rect[1] + v->rfbw_WinRect.r[1];
result[2] = rect[2] + v->rfbw_WinRect.r[0];
result[3] = rect[3] + v->rfbw_WinRect.r[1];
}
else
memcpy(result, v->rfbw_WinRect.r, 16);
return region_intersect(result, v->rfbw_ClipRect.r);
}