static void svg_animation_smil_evaluate(SMIL_Timing_RTI *rti, Fixed normalized_scene_time, u32 status)
{
GF_Node *node = gf_smil_get_element(rti);
SVGlinkStack *stack = gf_node_get_private(node);
switch (status) {
case SMIL_TIMING_EVAL_UPDATE:
svg_animation_smil_update(node, stack, normalized_scene_time);
break;
case SMIL_TIMING_EVAL_FREEZE:
if (stack->resource) {
gf_mo_stop(stack->resource);
stack->needs_play = 1;
}
break;
case SMIL_TIMING_EVAL_REMOVE:
if (stack->resource) {
svg_reset_xlink_target(node);
gf_mo_unload_xlink_resource(node, stack->resource);
stack->resource = NULL;
stack->fragment_id = NULL;
stack->inline_sg = NULL;
gf_node_dirty_set(node, GF_SG_SVG_XLINK_HREF_DIRTY, 0);
}
break;
case SMIL_TIMING_EVAL_REPEAT:
if (stack->resource) {
svg_reset_xlink_target(node);
stack->fragment_id = NULL;
stack->inline_sg = NULL;
gf_mo_restart(stack->resource);
}
break;
}
}
static void svg_animation_smil_update(GF_Node *node, SVGlinkStack *stack, Fixed normalized_scene_time)
{
if (stack->init_vis_state == 3) {
stack->init_vis_state = 4;
gf_mo_resume(stack->resource);
} else if (stack->needs_play || (gf_node_dirty_get(node) & GF_SG_SVG_XLINK_HREF_DIRTY )) {
SVGAllAttributes all_atts;
Double clipBegin, clipEnd;
GF_MediaObject *new_res;
gf_svg_flatten_attributes((SVG_Element *)node, &all_atts);
clipBegin = all_atts.clipBegin ? *all_atts.clipBegin : 0;
clipEnd = all_atts.clipEnd ? *all_atts.clipEnd : -1;
if (stack->needs_play) {
gf_mo_play(stack->resource, clipBegin, clipEnd, 0);
stack->needs_play = 0;
} else {
Bool primary = all_atts.gpac_useAsPrimary ? *all_atts.gpac_useAsPrimary : 1;
new_res = gf_mo_load_xlink_resource(node, primary, clipBegin, clipEnd);
if (new_res != stack->resource) {
if (stack->resource) gf_mo_unload_xlink_resource(node, stack->resource);
if (all_atts.xlink_href) all_atts.xlink_href->target = NULL;
stack->resource = new_res;
stack->fragment_id = NULL;
stack->inline_sg = NULL;
}
gf_node_dirty_clear(node, 0);
}
}
}
static void svg_traverse_font_face_uri(GF_Node *node, void *rs, Bool is_destroy)
{
if (is_destroy) {
FontURIStack *st = gf_node_get_private(node);
if (st) {
gf_font_manager_unregister_font(st->font->ft_mgr, st->font);
if (st->font->name) gf_free(st->font->name);
gf_free(st->font);
if (st->mo) gf_mo_unload_xlink_resource(node, st->mo);
gf_free(st);
}
}
}
static void svg_traverse_resource(GF_Node *node, void *rs, Bool is_destroy, Bool is_foreign_object)
{
GF_Matrix2D backup_matrix;
GF_Matrix mx_3d;
GF_Matrix2D translate;
SVGPropertiesPointers backup_props;
u32 backup_flags, dirty;
Bool is_fragment;
GF_Node *used_node;
GF_TraverseState *tr_state = (GF_TraverseState *)rs;
SVGAllAttributes all_atts;
SVGlinkStack *stack = gf_node_get_private(node);
SFVec2f prev_vp;
SVG_Number *prev_opacity;
if (is_destroy) {
if (stack->resource) gf_mo_unload_xlink_resource(node, stack->resource);
gf_free(stack);
return;
}
gf_svg_flatten_attributes((SVG_Element *)node, &all_atts);
if (!all_atts.xlink_href) return;
if (!compositor_svg_traverse_base(node, &all_atts, tr_state, &backup_props, &backup_flags))
return;
dirty = gf_node_dirty_get(node);
if (dirty & GF_SG_CHILD_DIRTY) drawable_reset_group_highlight(tr_state, node);
if (dirty & GF_SG_SVG_XLINK_HREF_DIRTY) {
stack->fragment_id = NULL;
stack->inline_sg = NULL;
if (all_atts.xlink_href->string && (all_atts.xlink_href->string[0]=='#')) {
stack->fragment_id = all_atts.xlink_href->string;
stack->inline_sg = gf_node_get_graph(node);
} else {
GF_MediaObject *new_res = gf_mo_load_xlink_resource(node, is_foreign_object, 0, -1);
if (new_res != stack->resource) {
if (stack->resource) gf_mo_unload_xlink_resource(node, stack->resource);
stack->resource = new_res;
}
}
}
gf_node_dirty_clear(node, 0);
/*locate the used node - this is done at each step to handle progressive loading*/
is_fragment = 0;
used_node = NULL;
if (!stack->inline_sg && !stack->fragment_id && all_atts.xlink_href) {
if (all_atts.xlink_href->type == XMLRI_ELEMENTID) {
used_node = all_atts.xlink_href->target;
is_fragment = 1;
} else if (stack->resource) {
stack->inline_sg = gf_mo_get_scenegraph(stack->resource);
if (!is_foreign_object) {
stack->fragment_id = strchr(all_atts.xlink_href->string, '#');
}
}
}
if (!used_node && stack->inline_sg) {
if (stack->fragment_id) {
used_node = gf_sg_find_node_by_name(stack->inline_sg, (char *) stack->fragment_id+1);
is_fragment = 1;
} else if (is_foreign_object) {
used_node = gf_sg_get_root_node(stack->inline_sg);
}
}
if (!used_node) goto end;
/*stack use nodes for picking*/
gf_list_add(tr_state->use_stack, used_node);
gf_list_add(tr_state->use_stack, node);
gf_mx2d_init(translate);
translate.m[2] = (all_atts.x ? all_atts.x->value : 0);
translate.m[5] = (all_atts.y ? all_atts.y->value : 0);
/*update VP size (SVG 1.1)*/
prev_vp = tr_state->vp_size;
if (all_atts.width && all_atts.height) {
tr_state->vp_size.x = gf_sc_svg_convert_length_to_display(tr_state->visual->compositor, all_atts.width);
tr_state->vp_size.y = gf_sc_svg_convert_length_to_display(tr_state->visual->compositor, all_atts.height);
}
prev_opacity = tr_state->parent_use_opacity;
tr_state->parent_use_opacity = all_atts.opacity;
if (tr_state->traversing_mode == TRAVERSE_GET_BOUNDS) {
compositor_svg_apply_local_transformation(tr_state, &all_atts, &backup_matrix, &mx_3d);
if (!compositor_svg_is_display_off(tr_state->svg_props)) {
gf_node_traverse(used_node, tr_state);
gf_mx2d_apply_rect(&translate, &tr_state->bounds);
}
compositor_svg_restore_parent_transformation(tr_state, &backup_matrix, &mx_3d);
}
/*SORT mode and visible, traverse*/
else if (!compositor_svg_is_display_off(tr_state->svg_props)
&& (*(tr_state->svg_props->visibility) != SVG_VISIBILITY_HIDDEN)) {
compositor_svg_apply_local_transformation(tr_state, &all_atts, &backup_matrix, &mx_3d);
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) {
gf_mx_add_matrix_2d(&tr_state->model_matrix, &translate);
if (tr_state->traversing_mode==TRAVERSE_SORT) {
GF_Matrix tmp;
gf_mx_from_mx2d(&tmp, &translate);
visual_3d_matrix_add(tr_state->visual, tmp.m);
}
} else
#endif
gf_mx2d_pre_multiply(&tr_state->transform, &translate);
drawable_check_focus_highlight(node, tr_state, NULL);
if (is_fragment) {
gf_node_traverse(used_node, tr_state);
} else {
gf_sc_traverse_subscene(tr_state->visual->compositor, node, stack->inline_sg, tr_state);
}
compositor_svg_restore_parent_transformation(tr_state, &backup_matrix, &mx_3d);
}
gf_list_rem_last(tr_state->use_stack);
gf_list_rem_last(tr_state->use_stack);
tr_state->vp_size = prev_vp;
tr_state->parent_use_opacity = prev_opacity;
end:
memcpy(tr_state->svg_props, &backup_props, sizeof(SVGPropertiesPointers));
tr_state->svg_flags = backup_flags;
}
static void svg_traverse_animation(GF_Node *node, void *rs, Bool is_destroy)
{
SVGAllAttributes all_atts;
GF_Matrix2D backup_matrix;
GF_Matrix backup_matrix3d;
SVGPropertiesPointers backup_props;
u32 backup_flags;
SFVec2f prev_vp;
GF_Rect rc;
GF_IRect clip, prev_clip;
SVGAllAttributes *prev_vp_atts;
GF_TraverseState *tr_state = (GF_TraverseState*)rs;
GF_Matrix2D translate;
SVGPropertiesPointers *old_props;
SVGlinkStack *stack = gf_node_get_private(node);
if (is_destroy) {
if (stack->resource) gf_mo_unload_xlink_resource(node, stack->resource);
gf_free(stack);
return;
}
gf_svg_flatten_attributes((SVG_Element *)node, &all_atts);
if (!stack->inline_sg && !stack->resource) {
if (!stack->init_vis_state) {
if (all_atts.initialVisibility && (*all_atts.initialVisibility==SVG_INITIALVISIBILTY_ALWAYS)) {
stack->init_vis_state = 2;
svg_animation_smil_update(node, stack, 0);
} else {
stack->init_vis_state = 1;
}
}
if (!stack->inline_sg && !stack->resource)
return;
}
if (!all_atts.width || !all_atts.height) return;
if (!all_atts.width->value || !all_atts.height->value) return;
if (!compositor_svg_traverse_base(node, &all_atts, tr_state, &backup_props, &backup_flags))
return;
if (compositor_svg_is_display_off(tr_state->svg_props) ||
*(tr_state->svg_props->visibility) == SVG_VISIBILITY_HIDDEN) {
goto end;
}
compositor_svg_apply_local_transformation(tr_state, &all_atts, &backup_matrix, &backup_matrix3d);
/*add x/y translation*/
gf_mx2d_init(translate);
translate.m[2] = (all_atts.x ? all_atts.x->value : 0);
translate.m[5] = (all_atts.y ? all_atts.y->value : 0);
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) {
gf_mx_add_matrix_2d(&tr_state->model_matrix, &translate);
if (tr_state->traversing_mode==TRAVERSE_SORT) {
GF_Matrix tmp;
gf_mx_from_mx2d(&tmp, &translate);
visual_3d_matrix_add(tr_state->visual, tmp.m);
}
} else
#endif
gf_mx2d_pre_multiply(&tr_state->transform, &translate);
/*reset SVG props to reload a new inheritance context*/
old_props = tr_state->svg_props;
tr_state->svg_props = NULL;
/*store this node's attribute to compute PAR/ViewBox of the child <svg>*/
prev_vp_atts = tr_state->parent_anim_atts;
tr_state->parent_anim_atts = &all_atts;
/*update VP size*/
prev_vp = tr_state->vp_size;
tr_state->vp_size.x = gf_sc_svg_convert_length_to_display(tr_state->visual->compositor, all_atts.width);
tr_state->vp_size.y = gf_sc_svg_convert_length_to_display(tr_state->visual->compositor, all_atts.height);
/*setup new clipper*/
rc.width = tr_state->vp_size.x;
rc.height = tr_state->vp_size.y;
rc.x = 0;
rc.y = tr_state->vp_size.y;
gf_mx2d_apply_rect(&tr_state->transform, &rc);
prev_clip = tr_state->visual->top_clipper;
clip = gf_rect_pixelize(&rc);
// gf_irect_intersect(&tr_state->visual->top_clipper, &clip);
if (!stack->inline_sg && stack->resource) {
stack->inline_sg = gf_mo_get_scenegraph(stack->resource);
}
if (stack->inline_sg) {
gf_sc_traverse_subscene(tr_state->visual->compositor, node, stack->inline_sg, tr_state);
}
if (stack->init_vis_state == 2) {
stack->init_vis_state = 3;
gf_mo_pause(stack->resource);
}
tr_state->svg_props = old_props;
tr_state->visual->top_clipper = prev_clip;
tr_state->parent_anim_atts = prev_vp_atts;
tr_state->vp_size = prev_vp;
compositor_svg_restore_parent_transformation(tr_state, &backup_matrix, &backup_matrix3d);
end:
memcpy(tr_state->svg_props, &backup_props, sizeof(SVGPropertiesPointers));
tr_state->svg_flags = backup_flags;
}
