static void RenderLayer2D(GF_Node *node, void *rs, Bool is_destroy)
{
u32 i;
GF_List *prevback, *prevviews;
GF_Rect clip;
M_Viewport *vp;
ChildGroup2D *cg;
GF_Matrix2D gf_mx2d_bck;
GroupingNode2D *parent_bck;
DrawableContext *back_ctx;
Bool bool_bck;
DrawableContext *ctx;
M_Background2D *back;
M_Layer2D *l = (M_Layer2D *)node;
Layer2DStack *l2D = (Layer2DStack *) gf_node_get_private(node);
RenderEffect2D *eff;
if (is_destroy) {
DeleteGroupingNode2D((GroupingNode2D *)l2D);
gf_list_del(l2D->backs);
gf_list_del(l2D->views);
free(l2D);
return;
}
eff = (RenderEffect2D *) rs;
gf_mx2d_copy(gf_mx2d_bck, eff->transform);
parent_bck = eff->parent;
eff->parent = (GroupingNode2D *) l2D;
gf_mx2d_init(eff->transform);
bool_bck = eff->draw_background;
prevback = eff->back_stack;
prevviews = eff->view_stack;
eff->back_stack = l2D->backs;
eff->view_stack = l2D->views;
if (l2D->first) {
/*render on back first to register with stack*/
if (l->background) {
eff->draw_background = 0;
gf_node_render((GF_Node*) l->background, eff);
group2d_reset_children((GroupingNode2D*) l2D);
eff->draw_background = 1;
}
vp = (M_Viewport*)l->viewport;
if (vp) {
gf_list_add(l2D->views, vp);
if (!vp->isBound) {
vp->isBound = 1;
gf_node_event_out_str((GF_Node*)vp, "isBound");
}
}
}
back = NULL;
if (gf_list_count(l2D->backs) ) {
back = (M_Background2D*)gf_list_get(l2D->backs, 0);
if (!back->isBound) back = NULL;
}
vp = NULL;
if (gf_list_count(l2D->views)) {
vp = (M_Viewport*)gf_list_get(l2D->views, 0);
if (!vp->isBound) vp = NULL;
}
if (!eff->is_pixel_metrics) gf_mx2d_add_scale(&eff->transform, eff->min_hsize, eff->min_hsize);
l2D->clip = R2D_ClipperToPixelMetrics(eff, l->size);
/*apply viewport*/
if (vp) {
clip = l2D->clip;
vp_setup((GF_Node *) vp, eff, &clip);
}
back_ctx = NULL;
if (back) {
/*setup back size and render*/
group2d_start_child((GroupingNode2D *)l2D);
eff->draw_background = 1;
ctx = b2D_GetContext(back, l2D->backs);
ctx->bi->unclip = l2D->clip;
ctx->bi->clip = gf_rect_pixelize(&ctx->bi->unclip);
gf_mx2d_init(ctx->transform);
gf_node_render((GF_Node *) back, eff);
eff->draw_background = 0;
/*we need a trick since we're not using a dedicated surface for layer rendering,
we emulate the back context: remove previous context and insert fake one*/
if (!(eff->trav_flags & TF_RENDER_DIRECT) && (gf_list_count(l2D->groups)==1)) {
ChildGroup2D *cg = (ChildGroup2D *)gf_list_get(l2D->groups, 0);
back_ctx = VS2D_GetDrawableContext(eff->surface);
gf_list_rem(cg->contexts, 0);
gf_list_add(cg->contexts, back_ctx);
back_ctx->h_texture = ctx->h_texture;
back_ctx->flags = ctx->flags;
back_ctx->flags &= ~CTX_IS_TRANSPARENT;
back_ctx->flags |= CTX_IS_BACKGROUND;
back_ctx->aspect = ctx->aspect;
back_ctx->drawable = ctx->drawable;
drawable_check_bounds(back_ctx, eff->surface);
back_ctx->bi->clip = ctx->bi->clip;
back_ctx->bi->unclip = ctx->bi->unclip;
}
group2d_end_child((GroupingNode2D *)l2D);
}
group2d_traverse((GroupingNode2D *)l2D, l->children, eff);
/*restore effect*/
eff->draw_background = bool_bck;
gf_mx2d_copy(eff->transform, gf_mx2d_bck);
eff->parent = parent_bck;
eff->back_stack = prevback;
eff->view_stack = prevviews;
/*check bindables*/
if (l2D->first) {
Bool redraw = 0;
l2D->first = 0;
if (!back && gf_list_count(l2D->backs)) redraw = 1;
if (!vp && gf_list_count(l2D->views) ) redraw = 1;
/*we missed background or viewport (was not declared as bound during traversal, and is bound now)*/
if (redraw) {
group2d_reset_children((GroupingNode2D*)l2D);
gf_sr_invalidate(l2D->compositor, NULL);
return;
}
}
i=0;
while ((cg = (ChildGroup2D *)gf_list_enum(l2D->groups, &i))) {
child2d_render_done(cg, eff, &l2D->clip);
}
group2d_reset_children((GroupingNode2D*)l2D);
group2d_force_bounds(eff->parent, &l2D->clip);
}
static void RenderPathLayout(SFNode *node, void *rs)
{
u32 i, count, minor, major, int_bck;
Float length, offset, length_after_point;
Bool res;
ChildGroup2D *cg;
M4Matrix2D mat;
GroupingNode2D *parent_bck;
PathLayoutStack *gr = (PathLayoutStack *) Node_GetPrivate(node);
M_PathLayout *pl = (M_PathLayout *)node;
RenderEffect2D *eff = (RenderEffect2D *) rs;
if (!pl->geometry) return;
/*only low-level primitives allowed*/
switch (Node_GetTag((SFNode *) pl->geometry)) {
case TAG_MPEG4_Rectangle: return;
case TAG_MPEG4_Circle: return;
case TAG_MPEG4_Ellipse: return;
}
/*store effect*/
mx2d_copy(mat, eff->transform);
parent_bck = eff->parent;
mx2d_init(eff->transform);
eff->parent = NULL;
/*check geom changes*/
if ((pl->geometry != gr->last_geom) || Node_GetDirty(pl->geometry)) {
if (gr->iter) m4_path_delete_iterator(gr->iter);
gr->iter = NULL;
int_bck = eff->trav_flags;
eff->trav_flags |= TF_SWITCHED_OFF;
Node_Render(pl->geometry, eff);
eff->trav_flags = int_bck;
gr->last_geom = pl->geometry;
}
if (!gr->iter) {
/*get the drawable*/
Drawable *dr = (Drawable *) Node_GetPrivate( (SFNode *) pl->geometry);
/*init iteration*/
if (!dr || !dr->path) return;
gr->iter = m4_path_new_iterator(dr->path);
if (!gr->iter) return;
}
eff->parent = (GroupingNode2D*)gr;
int_bck = eff->text_split_mode;
eff->text_split_mode = 2;
group2d_traverse((GroupingNode2D*)gr, pl->children, eff);
eff->text_split_mode = int_bck;
/*restore effect*/
mx2d_copy(eff->transform, mat);
eff->parent = parent_bck;
count = ChainGetCount(gr->groups);
length = gr->iter->length;
offset = length * pl->pathOffset;
major = pl->alignment.count ? pl->alignment.vals[0] : 0;
minor = (pl->alignment.count==2) ? pl->alignment.vals[1] : 0;
if (pl->wrapMode==1) {
while (offset<0) offset += length;
}
for (i=0; i<count; i++) {
cg = ChainGetEntry(gr->groups, i);
if (cg->original.width>length) break;
/*first set our center and baseline*/
mx2d_init(mat);
/*major align*/
switch (major) {
case 2:
if (cg->is_text_group) mx2d_add_translation(&mat, -1*cg->original.x - cg->original.width, 0);
else mx2d_add_translation(&mat, -1 * cg->original.width/2, 0);
length_after_point = 0;
break;
case 1:
length_after_point = cg->original.width/2;
if (cg->is_text_group) mx2d_add_translation(&mat, -1*cg->original.x - cg->original.width / 2, 0);
break;
default:
case 0:
if (cg->is_text_group) mx2d_add_translation(&mat, cg->original.x, 0);
else mx2d_add_translation(&mat, cg->original.width/2, 0);
length_after_point = cg->original.width;
break;
}
/*if wrapping and out of path, restart*/
if ((pl->wrapMode==1) && (offset+length_after_point>=length)) {
offset += length_after_point;
offset -= length;
i--;
continue;
}
/*if not wrapping and not yet in path skip */
if (!pl->wrapMode && (offset+length_after_point < 0)) {
child2d_render_done_complex(cg, (RenderEffect2D *)rs, NULL);
goto next;
}
/*minor justify*/
switch (minor) {
/*top alignment*/
case 3:
if (cg->is_text_group)
mx2d_add_translation(&mat, 0, -1 * cg->ascent);
else
mx2d_add_translation(&mat, 0, -1 * cg->original.height / 2);
break;
/*baseline*/
case 1:
/*move to bottom align if not text*/
if (!cg->is_text_group)
mx2d_add_translation(&mat, 0, cg->original.height / 2);
break;
/*middle*/
case 2:
/*if text use (asc+desc) /2 as line height since glyph height differ*/
if (cg->is_text_group)
mx2d_add_translation(&mat, 0, cg->descent - (cg->ascent + cg->descent) / 2);
break;
/*bottomline alignment*/
case 0:
default:
if (cg->is_text_group)
mx2d_add_translation(&mat, 0, cg->descent);
else
mx2d_add_translation(&mat, 0, cg->original.height / 2);
break;
}
res = m4_pathiterator_get_transform_at_offset(gr->iter, offset, (Bool) (pl->wrapMode==2), &mat, 1, length_after_point);
if (!res) break;
child2d_render_done_complex(cg, (RenderEffect2D *)rs, &mat);
next:
if (i+1<count) {
ChildGroup2D *cg_next = ChainGetEntry(gr->groups, i+1);
/*update offset according to major alignment */
switch (major) {
case 2:
if (cg_next->is_text_group) offset += pl->spacing * cg_next->original.x;
offset += pl->spacing * cg_next->original.width;
break;
case 1:
if (cg->is_text_group) offset += pl->spacing * cg->original.x / 2;
offset += pl->spacing * cg->original.width / 2;
offset += cg_next->original.width / 2;
break;
default:
case 0:
if (cg->is_text_group) offset += pl->spacing * cg->original.x;
offset += pl->spacing * cg->original.width;
break;
}
}
/*wrap*/
if ((pl->wrapMode==1) && (offset>=length)) offset-=length;
}
/*undrawn nodes*/
for (;i<count; i++) {
cg = ChainGetEntry(gr->groups, i);
child2d_render_done_complex(cg, (RenderEffect2D *)rs, NULL);
}
group2d_reset_children((GroupingNode2D *) gr);
}
