/*TransformMatrix2D*/
static void RenderTransformMatrix2D(GF_Node *node, void *rs, Bool is_destroy)
{
GF_Matrix2D bckup;
M_TransformMatrix2D *tr = (M_TransformMatrix2D*)node;
Transform2DStack *ptr = (Transform2DStack *) gf_node_get_private(node);
RenderEffect2D *eff = (RenderEffect2D *)rs;
if (is_destroy) {
DeleteGroupingNode2D((GroupingNode2D *)ptr);
free(ptr);
return;
}
if (gf_node_dirty_get(node) & GF_SG_NODE_DIRTY) {
TM2D_GetMatrix(node, &ptr->mat);
if ((tr->mxx==FIX_ONE) && (tr->mxy==0) && (tr->tx==0)
&& (tr->myx==0) && (tr->myy==FIX_ONE) && (tr->ty==0) )
ptr->is_identity = 1;
else
ptr->is_identity = 0;
}
/*note we don't clear dirty flag, this is done in traversing*/
if (ptr->is_identity) {
group2d_traverse((GroupingNode2D *)ptr, tr->children, eff);
} else {
gf_mx2d_copy(bckup, eff->transform);
gf_mx2d_copy(eff->transform, ptr->mat);
gf_mx2d_add_matrix(&eff->transform, &bckup);
group2d_traverse((GroupingNode2D *)ptr, tr->children, eff);
gf_mx2d_copy(eff->transform, bckup);
}
}
static void DestroyPathLayout(SFNode *node)
{
PathLayoutStack *st = (PathLayoutStack *)Node_GetPrivate(node);
DeleteGroupingNode2D((GroupingNode2D *)st);
if (st->iter) m4_path_delete_iterator(st->iter);
free(st);
}
static void RenderGroup(GF_Node *node, void *rs, Bool is_destroy)
{
GroupingNode2D *group = (GroupingNode2D *) gf_node_get_private(node);
if (is_destroy) {
DeleteGroupingNode2D(group);
free(group);
return;
}
group2d_traverse(group, ((M_Group *)node)->children, (RenderEffect2D*)rs);
}
static void RenderTransform2D(GF_Node *node, void *rs, Bool is_destroy)
{
GF_Matrix2D bckup;
M_Transform2D *tr = (M_Transform2D *)node;
Transform2DStack *ptr = (Transform2DStack *)gf_node_get_private(node);
RenderEffect2D *eff;
if (is_destroy) {
DeleteGroupingNode2D((GroupingNode2D *)ptr);
free(ptr);
return;
}
eff = (RenderEffect2D *) rs;
if (gf_node_dirty_get(node) & GF_SG_NODE_DIRTY) {
gf_mx2d_init(ptr->mat);
ptr->is_identity = 1;
if ((tr->scale.x != FIX_ONE) || (tr->scale.y != FIX_ONE)) {
gf_mx2d_add_scale_at(&ptr->mat, tr->scale.x, tr->scale.y, 0, 0, tr->scaleOrientation);
ptr->is_identity = 0;
}
if (tr->rotationAngle) {
gf_mx2d_add_rotation(&ptr->mat, tr->center.x, tr->center.y, tr->rotationAngle);
ptr->is_identity = 0;
}
if (tr->translation.x || tr->translation.y) {
ptr->is_identity = 0;
gf_mx2d_add_translation(&ptr->mat, tr->translation.x, tr->translation.y);
}
}
/*note we don't clear dirty flag, this is done in traversing*/
if (ptr->is_identity) {
group2d_traverse((GroupingNode2D *)ptr, tr->children, eff);
} else {
gf_mx2d_copy(bckup, eff->transform);
gf_mx2d_copy(eff->transform, ptr->mat);
gf_mx2d_add_matrix(&eff->transform, &bckup);
group2d_traverse((GroupingNode2D *)ptr, tr->children, eff);
gf_mx2d_copy(eff->transform, bckup);
}
}
/*ColorTransform*/
static void RenderColorTransform(GF_Node *node, void *rs, Bool is_destroy)
{
Bool c_changed;
M_ColorTransform *tr = (M_ColorTransform *)node;
ColorTransformStack *ptr = (ColorTransformStack *)gf_node_get_private(node);
RenderEffect2D *eff;
eff = (RenderEffect2D *) rs;
if (is_destroy) {
DeleteGroupingNode2D((GroupingNode2D *)ptr);
free(ptr);
return;
}
c_changed = 0;
if (gf_node_dirty_get(node) & GF_SG_NODE_DIRTY) {
gf_cmx_set(&ptr->cmat,
tr->mrr , tr->mrg, tr->mrb, tr->mra, tr->tr,
tr->mgr , tr->mgg, tr->mgb, tr->mga, tr->tg,
tr->mbr, tr->mbg, tr->mbb, tr->mba, tr->tb,
tr->mar, tr->mag, tr->mab, tr->maa, tr->ta);
c_changed = 1;
}
/*note we don't clear dirty flag, this is done in traversing*/
if (ptr->cmat.identity) {
group2d_traverse((GroupingNode2D *) ptr, tr->children, eff);
} else {
GF_ColorMatrix gf_cmx_bck;
Bool prev_inv = eff->invalidate_all;
/*if modified redraw all nodes*/
if (c_changed) eff->invalidate_all = 1;
gf_cmx_copy(&gf_cmx_bck, &eff->color_mat);
gf_cmx_multiply(&eff->color_mat, &ptr->cmat);
group2d_traverse((GroupingNode2D *) ptr, tr->children, eff);
/*restore effects*/
gf_cmx_copy(&eff->color_mat, &gf_cmx_bck);
eff->invalidate_all = prev_inv;
}
}
static void RenderAnchor(GF_Node *node, void *rs, Bool is_destroy)
{
AnchorStack *st = (AnchorStack *) gf_node_get_private(node);
M_Anchor *an = (M_Anchor *) node;
RenderEffect2D *eff = (RenderEffect2D *)rs;
if (is_destroy) {
R2D_UnregisterSensor(st->compositor, &st->hdl);
if (st->compositor->interaction_sensors) st->compositor->interaction_sensors--;
DeleteGroupingNode2D((GroupingNode2D *)st);
free(st);
return;
}
/*update enabled state*/
if (gf_node_dirty_get(node) & GF_SG_NODE_DIRTY) {
st->enabled = 0;
if (an->url.count && an->url.vals[0].url && strlen(an->url.vals[0].url) )
st->enabled = 1;
}
/*note we don't clear dirty flag, this is done in traversing*/
group2d_traverse((GroupingNode2D*)st, an->children, eff);
}
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 RenderOrderedGroup(GF_Node *node, void *rs, Bool is_destroy)
{
u32 i, count;
GF_Node *child;
Bool split_text_backup, invalidate_backup;
M_OrderedGroup *og;
u32 count2;
GF_List *sensor_backup;
SensorHandler *hsens;
OrderedGroupStack *ogs = (OrderedGroupStack *) gf_node_get_private(node);
RenderEffect2D *eff = (RenderEffect2D *)rs;
if (is_destroy) {
DeleteGroupingNode2D((GroupingNode2D *)ogs);
if (ogs->priorities) free(ogs->priorities);
free(ogs);
return;
}
og = (M_OrderedGroup *) ogs->owner;
if (!og->order.count) {
group2d_traverse((GroupingNode2D*)ogs, og->children, eff);
return;
}
count = gf_node_list_get_count(og->children);
invalidate_backup = eff->invalidate_all;
/*check whether the OrderedGroup node has changed*/
if (gf_node_dirty_get(node) & GF_SG_NODE_DIRTY) {
if (ogs->priorities) free(ogs->priorities);
ogs->priorities = (struct og_pos*)malloc(sizeof(struct og_pos)*count);
for (i=0; i<count; i++) {
ogs->priorities[i].position = i;
ogs->priorities[i].priority = (i<og->order.count) ? og->order.vals[i] : 0;
}
qsort(ogs->priorities, count, sizeof(struct og_pos), compare_priority);
eff->invalidate_all = 1;
}
sensor_backup = NULL;
if (gf_node_dirty_get(node) & GF_SG_CHILD_DIRTY) {
/*rebuild sensor list*/
if (gf_list_count(ogs->sensors)) {
gf_list_del(ogs->sensors);
ogs->sensors = gf_list_new();
}
for (i=0; i<count; i++) {
child = (GF_Node*)gf_node_list_get_child(og->children, ogs->priorities[i].position);
if (!child || !is_sensor_node(child) ) continue;
hsens = get_sensor_handler(child);
if (hsens) gf_list_add(ogs->sensors, hsens);
}
}
/*if we have an active sensor at this level discard all sensors in current render context (cf VRML)*/
count2 = gf_list_count(ogs->sensors);
if (count2) {
sensor_backup = eff->sensors;
eff->sensors = gf_list_new();
/*add sensor to effects*/
for (i=0; i <count2; i++) {
SensorHandler *hsens = (SensorHandler *)gf_list_get(ogs->sensors, i);
effect_add_sensor(eff, hsens, &eff->transform);
}
}
gf_node_dirty_clear(node, 0);
if (eff->parent == (GroupingNode2D *) ogs) {
for (i=0; i<count; i++) {
group2d_start_child((GroupingNode2D *) ogs);
child = (GF_Node*)gf_node_list_get_child(og->children, ogs->priorities[i].position);
gf_node_render(child, eff);
group2d_end_child((GroupingNode2D *) ogs);
}
} else {
split_text_backup = eff->text_split_mode;
if (count>1) eff->text_split_mode = 0;
for (i=0; i<count; i++) {
child = (GF_Node*)gf_node_list_get_child(og->children, ogs->priorities[i].position);
gf_node_render(child, eff);
}
eff->text_split_mode = split_text_backup;
}
/*restore effect*/
invalidate_backup = eff->invalidate_all;
if (count2) {
/*destroy current effect list and restore previous*/
effect_reset_sensors(eff);
gf_list_del(eff->sensors);
eff->sensors = sensor_backup;
}
}
static void RenderPathLayout(GF_Node *node, void *rs, Bool is_destroy)
{
u32 i, count, minor, major, int_bck;
Fixed length, offset, length_after_point;
Bool res;
ChildGroup2D *cg;
GF_Matrix2D mat;
GroupingNode2D *parent_bck;
PathLayoutStack *gr = (PathLayoutStack *) gf_node_get_private(node);
M_PathLayout *pl = (M_PathLayout *)node;
RenderEffect2D *eff = (RenderEffect2D *) rs;
if (is_destroy) {
DeleteGroupingNode2D((GroupingNode2D *)gr);
if (gr->iter) gf_path_iterator_del(gr->iter);
free(gr);
return;
}
if (!pl->geometry) return;
/*only low-level primitives allowed*/
switch (gf_node_get_tag((GF_Node *) pl->geometry)) {
case TAG_MPEG4_Rectangle: return;
case TAG_MPEG4_Circle: return;
case TAG_MPEG4_Ellipse: return;
}
/*store effect*/
gf_mx2d_copy(mat, eff->transform);
parent_bck = eff->parent;
gf_mx2d_init(eff->transform);
eff->parent = NULL;
/*check geom changes*/
if ((pl->geometry != gr->last_geom) || gf_node_dirty_get(pl->geometry)) {
if (gr->iter) gf_path_iterator_del(gr->iter);
gr->iter = NULL;
int_bck = eff->trav_flags;
eff->trav_flags |= GF_SR_TRAV_SWITCHED_OFF;
gf_node_render(pl->geometry, eff);
eff->trav_flags = int_bck;
gr->last_geom = pl->geometry;
}
if (!gr->iter) {
/*get the drawable*/
Drawable *dr = (Drawable *) gf_node_get_private( (GF_Node *) pl->geometry);
/*init iteration*/
if (!dr || !dr->path) return;
gr->iter = gf_path_iterator_new(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*/
gf_mx2d_copy(eff->transform, mat);
eff->parent = parent_bck;
count = gf_list_count(gr->groups);
length = gf_path_iterator_get_length(gr->iter);
offset = gf_mulfix(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 = (ChildGroup2D *)gf_list_get(gr->groups, i);
if (cg->original.width>length) break;
/*first set our center and baseline*/
gf_mx2d_init(mat);
/*major align*/
switch (major) {
case 2:
if (cg->is_text_group) gf_mx2d_add_translation(&mat, -1*cg->original.x - cg->original.width, 0);
else gf_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) gf_mx2d_add_translation(&mat, -1*cg->original.x - cg->original.width / 2, 0);
break;
default:
case 0:
if (cg->is_text_group) gf_mx2d_add_translation(&mat, cg->original.x, 0);
else gf_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)
gf_mx2d_add_translation(&mat, 0, -1 * cg->ascent);
else
gf_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)
gf_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)
gf_mx2d_add_translation(&mat, 0, cg->descent - (cg->ascent + cg->descent) / 2);
break;
/*bottomline alignment*/
case 0:
default:
if (cg->is_text_group)
gf_mx2d_add_translation(&mat, 0, cg->descent);
else
gf_mx2d_add_translation(&mat, 0, cg->original.height / 2);
break;
}
res = gf_path_iterator_get_transform(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 = (ChildGroup2D *)gf_list_get(gr->groups, i+1);
/*update offset according to major alignment */
switch (major) {
case 2:
if (cg_next->is_text_group) offset += gf_mulfix(pl->spacing, cg_next->original.x);
offset += gf_mulfix(pl->spacing, cg_next->original.width);
break;
case 1:
if (cg->is_text_group) offset += gf_mulfix(pl->spacing, cg->original.x / 2);
offset += gf_mulfix(pl->spacing, cg->original.width / 2);
offset += cg_next->original.width / 2;
break;
default:
case 0:
if (cg->is_text_group) offset += gf_mulfix(pl->spacing, cg->original.x);
offset += gf_mulfix(pl->spacing, cg->original.width);
break;
}
}
/*wrap*/
if ((pl->wrapMode==1) && (offset>=length)) offset-=length;
}
/*undrawn nodes*/
for (;i<count; i++) {
cg = (ChildGroup2D *)gf_list_get(gr->groups, i);
child2d_render_done_complex(cg, (RenderEffect2D *)rs, NULL);
}
group2d_reset_children((GroupingNode2D *) gr);
}