static void nxbe_clipmoveobscured(FAR struct nxbe_clipops_s *cops,
FAR struct nxbe_plane_s *plane,
FAR const struct nxgl_rect_s *rect)
{
struct nxbe_move_s *info = (struct nxbe_move_s *)cops;
struct nxgl_rect_s dst;
nxgl_rectoffset(&dst, rect, info->offset.x, info->offset.y);
nxfe_redrawreq(info->wnd, &dst);
}
void nxfe_redrawreq(FAR struct nxbe_window_s *wnd, FAR const struct nxgl_rect_s *rect)
{
struct nxclimsg_redraw_s outmsg;
outmsg.msgid = NX_CLIMSG_REDRAW;
outmsg.wnd = wnd;
outmsg.more = false;
nxgl_rectoffset(&outmsg.rect, rect, -wnd->bounds.pt1.x, -wnd->bounds.pt1.y);
(void)nxmu_sendclientwindow(wnd, &outmsg, sizeof(struct nxclimsg_redraw_s));
}
void nxtk_subwindowclip(FAR struct nxtk_framedwindow_s *fwnd,
FAR struct nxgl_rect_s *dest,
FAR const struct nxgl_rect_s *src,
FAR const struct nxgl_rect_s *bounds)
{
struct nxgl_rect_s tmp;
/* Temporarily, position the src rectangle in absolute screen coordinates */
nxgl_rectoffset(&tmp, src, bounds->pt1.x, bounds->pt1.y);
/* Clip the src rectangle to lie within the client window region */
nxgl_rectintersect(&tmp, &tmp, bounds);
/* Then move the rectangle so that is relative to the containing window, not the
* client subwindow
*/
nxgl_rectoffset(dest, &tmp, -fwnd->wnd.bounds.pt1.x, -fwnd->wnd.bounds.pt1.y);
}
void nxbe_setposition(FAR struct nxbe_window_s *wnd,
FAR const struct nxgl_point_s *pos)
{
struct nxgl_rect_s before;
struct nxgl_rect_s rect;
#ifdef CONFIG_DEBUG
if (!wnd)
{
return;
}
#endif
/* Back out the old window origin position from the bounding box */
nxgl_rectoffset(&rect, &wnd->bounds, -wnd->bounds.pt1.x, -wnd->bounds.pt1.y);
/* Add the new window origin into the bounding box */
nxgl_rectcopy(&before, &wnd->bounds);
nxgl_rectoffset(&wnd->bounds, &rect, pos->x, pos->y);
/* Get the union of the 'before' bounding box and the 'after' bounding
* this union is the region of the display that must be updated.
*/
nxgl_rectunion(&rect, &before, &wnd->bounds);
nxgl_rectintersect(&rect, &rect, &wnd->be->bkgd.bounds);
/* Report the new size/position */
nxfe_reportposition(wnd);
/* Then redraw this window AND all windows below it. Having moved the
* window, we may have exposed previoulsy obscured portions of windows
* below this one.
*/
nxbe_redrawbelow(wnd->be, wnd, &rect);
}
void nxbe_fill(FAR struct nxbe_window_s *wnd,
FAR const struct nxgl_rect_s *rect,
nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
{
struct nxbe_fill_s info;
struct nxgl_rect_s remaining;
int i;
#ifdef CONFIG_DEBUG
if (!wnd || !rect)
{
return;
}
#endif
/* Offset the rectangle by the window origin to convert it into a
* bounding box
*/
nxgl_rectoffset(&remaining, rect, wnd->bounds.pt1.x, wnd->bounds.pt1.y);
/* Clip to the bounding box to the limits of the window and of the
* background screen
*/
nxgl_rectintersect(&remaining, &remaining, &wnd->bounds);
nxgl_rectintersect(&remaining, &remaining, &wnd->be->bkgd.bounds);
/* Then clip the bounding box due to other windows above this one.
* Render the portions of the trapezoid exposed in visible regions.
*/
if (!nxgl_nullrect(&remaining))
{
#if CONFIG_NX_NPLANES > 1
for (i = 0; i < wnd->be->vinfo.nplanes; i++)
#else
i = 0;
#endif
{
info.cops.visible = nxbe_clipfill;
info.cops.obscured = nxbe_clipnull;
info.color = color[i];
nxbe_clipper(wnd->above, &remaining, NX_CLIPORDER_DEFAULT,
&info.cops, &wnd->be->plane[i]);
}
}
}
static void nxbe_clipmovedest(FAR struct nxbe_clipops_s *cops,
FAR struct nxbe_plane_s *plane,
FAR const struct nxgl_rect_s *rect)
{
struct nxbe_move_s *dstdata = (struct nxbe_move_s *)cops;
struct nxbe_window_s *wnd = dstdata->wnd;
struct nxgl_point_s offset = dstdata->offset;
struct nxgl_rect_s src;
struct nxgl_rect_s tmprect1;
struct nxgl_rect_s tmprect2;
struct nxgl_rect_s nonintersecting[4];
int i;
/* Redraw dest regions where the source is outside of the bounds of the
* background window
*/
nxgl_rectoffset(&tmprect1, &dstdata->srcrect, offset.x, offset.y);
nxgl_rectintersect(&tmprect2, &tmprect1, &wnd->be->bkgd.bounds);
nxgl_nonintersecting(nonintersecting, rect, &tmprect2);
for (i = 0; i < 4; i++)
{
if (!nxgl_nullrect(&nonintersecting[i]))
{
nxfe_redrawreq(dstdata->wnd, &nonintersecting[i]);
}
}
/* Clip to determine what is inside the bounds */
nxgl_rectintersect(&src, rect, &dstdata->srcrect);
if (!nxgl_nullrect(&src))
{
struct nxbe_move_s srcinfo;
srcinfo.cops.visible = nxbe_clipmovesrc;
srcinfo.cops.obscured = nxbe_clipmoveobscured;
srcinfo.offset = offset;
srcinfo.wnd = wnd;
nxbe_clipper(dstdata->wnd->above, &src, dstdata->order,
&srcinfo.cops, plane);
}
}
int nxtk_filltraptoolbar(NXTKWINDOW hfwnd, FAR const struct nxgl_trapezoid_s *trap,
nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
{
FAR struct nxtk_framedwindow_s *fwnd = (FAR struct nxtk_framedwindow_s *)hfwnd;
struct nxgl_rect_s relclip;
#ifdef CONFIG_DEBUG
if (!hfwnd || !trap || !color)
{
errno = EINVAL;
return ERROR;
}
#endif
/* Perform the fill, clipping to the client window */
nxgl_rectoffset(&relclip, &fwnd->tbrect, -fwnd->wnd.bounds.pt1.x, -fwnd->wnd.bounds.pt1.y);
return nx_filltrapezoid((NXWINDOW)hfwnd, &relclip, trap, color);
}
void nxbe_getrectangle(FAR struct nxbe_window_s *wnd,
FAR const struct nxgl_rect_s *rect, unsigned int plane,
FAR uint8_t *dest, unsigned int deststride)
{
struct nxgl_rect_s remaining;
#ifdef CONFIG_DEBUG_FEATURES
if (!wnd || !rect || !dest || plane >= wnd->be->vinfo.nplanes)
{
ginfo("Invalid parameters\n");
return;
}
#endif
/* Offset the rectangle by the window origin to convert it into a
* bounding box
*/
nxgl_rectoffset(&remaining, rect, wnd->bounds.pt1.x, wnd->bounds.pt1.y);
/* Clip to the bounding box to the limits of the window and of the
* background screen
*/
nxgl_rectintersect(&remaining, &remaining, &wnd->bounds);
nxgl_rectintersect(&remaining, &remaining, &wnd->be->bkgd.bounds);
/* The return the graphics memory at this location. NOTE: Since raw
* graphic memory is returned, the returned memory content may be
* the memory of windows above this one and may not necessarily belong
* to this window.
*/
if (!nxgl_nullrect(&remaining))
{
FAR struct nxbe_plane_s *pplane = &wnd->be->plane[plane];
pplane->getrectangle(&pplane->pinfo, &remaining, dest, deststride);
}
}
void nxbe_filltrapezoid(FAR struct nxbe_window_s *wnd,
FAR const struct nxgl_rect_s *clip,
FAR const struct nxgl_trapezoid_s *trap,
nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
{
struct nxbe_filltrap_s info;
struct nxgl_rect_s remaining;
int i;
#ifdef CONFIG_DEBUG
if (!wnd || !trap)
{
return;
}
#endif
/* Offset the trapezoid by the window origin to position it within
* the framebuffer region
*/
nxgl_trapoffset(&info.trap, trap, wnd->bounds.pt1.x, wnd->bounds.pt1.y);
/* Create a bounding box that contains the trapezoid */
remaining.pt1.x = b16toi(ngl_min(info.trap.top.x1, info.trap.bot.x1));
remaining.pt1.y = info.trap.top.y;
remaining.pt2.x = b16toi(ngl_max(info.trap.top.x2, info.trap.bot.x2));
remaining.pt2.y = info.trap.bot.y;
/* Clip to any user specified clipping window */
if (clip)
{
struct nxgl_rect_s tmp;
nxgl_rectoffset(&tmp, clip, wnd->bounds.pt1.x, wnd->bounds.pt1.y);
nxgl_rectintersect(&remaining, &remaining, &tmp);
}
/* Clip to the limits of the window and of the background screen */
nxgl_rectintersect(&remaining, &remaining, &wnd->bounds);
nxgl_rectintersect(&remaining, &remaining, &wnd->be->bkgd.bounds);
if (!nxgl_nullrect(&remaining))
{
info.cops.visible = nxbe_clipfilltrapezoid;
info.cops.obscured = nxbe_clipnull;
/* Then process each color plane */
#if CONFIG_NX_NPLANES > 1
for (i = 0; i < wnd->be->vinfo.nplanes; i++)
#else
i = 0;
#endif
{
info.color = color[i];
nxbe_clipper(wnd->above, &remaining, NX_CLIPORDER_DEFAULT,
&info.cops, &wnd->be->plane[i]);
}
}
}
void nxbe_move(FAR struct nxbe_window_s *wnd, FAR const struct nxgl_rect_s *rect,
FAR const struct nxgl_point_s *offset)
{
struct nxbe_move_s info;
int i;
#ifdef CONFIG_DEBUG_FEATURES
if (!wnd || !rect)
{
return;
}
#endif
/* Offset the rectangle by the window origin to create a bounding box */
nxgl_rectoffset(&info.srcrect, rect, wnd->bounds.pt1.x, wnd->bounds.pt1.y);
/* Clip to the limits of the window and of the background screen */
nxgl_rectintersect(&info.srcrect, &info.srcrect, &wnd->bounds);
nxgl_rectintersect(&info.srcrect, &info.srcrect, &wnd->be->bkgd.bounds);
if (nxgl_nullrect(&info.srcrect))
{
return;
}
info.cops.visible = nxbe_clipmovedest;
info.cops.obscured = nxbe_clipnull;
info.offset.x = offset->x;
info.offset.y = offset->y;
info.wnd = wnd;
/* The clip order depends up the direction that the rectangle is being
* moved.
*/
if (offset->y < 0)
{
/* Moving rectangle up */
if (offset->x < 0)
{
/* Moving to upper-left */
info.order = NX_CLIPORDER_TLRB; /* Top-left-right-bottom */
}
else
{
/* Moving to upper-right (or just up) */
info.order = NX_CLIPORDER_TRLB; /* Top-right-left-bottom */
}
}
else
{
/* Moving rectangle down (or just left/right) */
if (offset->x < 0)
{
/* Moving to lower-left */
info.order = NX_CLIPORDER_BLRT; /* Bottom-left-right-top */
}
else
{
/* Moving to lower-right */
info.order = NX_CLIPORDER_BRLT; /* Bottom-right-left-top */
}
}
/* Then perform the move */
#if CONFIG_NX_NPLANES > 1
for (i = 0; i < wnd->be->vinfo.nplanes; i++)
#else
i = 0;
#endif
{
nxbe_clipper(wnd->above, &info.srcrect, info.order,
&info.cops, &wnd->be->plane[i]);
}
}
