示例#1
0
文件: main.c 项目: wipple/GPAC-old
static void svg2bifs_node_start(void *sax_cbck, const char *name, const char *name_space, const GF_XMLAttribute *attributes, u32 nb_attributes)
{
    u32 i;
    SVG2BIFS_Converter *converter = (SVG2BIFS_Converter *)sax_cbck;
    SVGPropertiesPointers *backup_props;
    char *id_string = NULL;
    u32	tag;
    SVG_Element *elt;
    SVG_DeferedAnimation *anim = NULL;

    tag = gf_xml_get_element_tag(name, 0);
    elt = (SVG_Element*)gf_node_new(converter->svg_sg, tag);
    if (!gf_sg_get_root_node(converter->svg_sg)) {
        gf_node_register((GF_Node *)elt, NULL);
        gf_sg_set_root_node(converter->svg_sg, (GF_Node *)elt);
    } else {
        gf_node_register((GF_Node *)elt, converter->svg_parent);
        //gf_node_list_add_child(&((GF_ParentNode*)converter->svg_parent)->children, (GF_Node *)elt);
    }

//	fprintf(stdout, "Converting %s\n", gf_node_get_class_name((GF_Node *)elt));
//	if (converter->bifs_parent) fprintf(stdout, "%s\n", gf_node_get_class_name(converter->bifs_parent));

    if (gf_svg_is_animation_tag(tag)) {
        GF_SAFEALLOC(anim, SVG_DeferedAnimation);
        /*default anim target is parent node*/
        anim->animation_elt = elt;
        if (converter->svg_parent) {
            anim->target = anim->anim_parent = (SVG_Element*) converter->svg_parent;
        }
    }

    for (i=0; i<nb_attributes; i++) {
        GF_XMLAttribute *att = (GF_XMLAttribute *)&attributes[i];
        if (!att->value || !strlen(att->value)) continue;

        if (!stricmp(att->name, "style")) {
            gf_svg_parse_style((GF_Node *)elt, att->value);
        } else if (!stricmp(att->name, "id") || !stricmp(att->name, "xml:id")) {
            gf_svg_parse_element_id((GF_Node *)elt, att->value, 0);
            id_string = att->value;
        } else if (anim && !stricmp(att->name, "to")) {
            anim->to = gf_strdup(att->value);
        } else if (anim && !stricmp(att->name, "from")) {
            anim->from = gf_strdup(att->value);
        } else if (anim && !stricmp(att->name, "by")) {
            anim->by = gf_strdup(att->value);
        } else if (anim && !stricmp(att->name, "values")) {
            anim->values = gf_strdup(att->value);
        } else if (anim && (tag == TAG_SVG_animateTransform) && !stricmp(att->name, "type")) {
            anim->type = gf_strdup(att->value);
        } else {
            GF_FieldInfo info;
            if (gf_node_get_field_by_name((GF_Node *)elt, att->name, &info)==GF_OK) {
                gf_svg_parse_attribute((GF_Node *)elt, &info, att->value, 0);
            } else {
                fprintf(stdout, "Skipping attribute %s\n", att->name);
            }
        }
    }

    if (anim) {
        svg_parse_animation(converter->svg_sg, anim);
    }

    memset(&converter->all_atts, 0, sizeof(SVGAllAttributes));
    gf_svg_flatten_attributes(elt, &converter->all_atts);

    backup_props = gf_malloc(sizeof(SVGPropertiesPointers));
    memcpy(backup_props, &converter->svg_props, sizeof(SVGPropertiesPointers));
    gf_node_set_private((GF_Node *)elt, backup_props);

    gf_svg_apply_inheritance(&converter->all_atts, &converter->svg_props);

    fprintf(stdout, "START\t%s\t%s\t%s", converter->svg_parent ? gf_node_get_class_name(converter->svg_parent) : "none", converter->bifs_parent ? gf_node_get_class_name(converter->bifs_parent) : "none", name);
    converter->svg_parent = (GF_Node *)elt;
    if (!gf_sg_get_root_node(converter->bifs_sg)) {
        if (tag == TAG_SVG_svg) {
            GF_Node *node, *child;

            converter->bifs_sg->usePixelMetrics = 1;
            if (converter->all_atts.width && converter->all_atts.width->type == SVG_NUMBER_VALUE) {
                converter->bifs_sg->width = FIX2INT(converter->all_atts.width->value);
            } else {
                converter->bifs_sg->width = 320;
            }
            if (converter->all_atts.height && converter->all_atts.height->type == SVG_NUMBER_VALUE) {
                converter->bifs_sg->height = FIX2INT(converter->all_atts.height->value);
            } else {
                converter->bifs_sg->height = 200;
            }

            node = gf_node_new(converter->bifs_sg, TAG_MPEG4_OrderedGroup);
            gf_node_register(node, NULL);
            gf_sg_set_root_node(converter->bifs_sg, node);

            child = gf_node_new(converter->bifs_sg, TAG_MPEG4_QuantizationParameter);
            gf_node_register(child, node);
            gf_node_list_add_child(&((GF_ParentNode*)node)->children, child);
            {
                M_QuantizationParameter *qp = (M_QuantizationParameter *)child;
                qp->useEfficientCoding = 1;
            }

            /* SVG to BIFS coordinate transformation */
            child = gf_node_new(converter->bifs_sg, TAG_MPEG4_Viewport);
            gf_node_register(child, node);
            gf_node_list_add_child(&((GF_ParentNode*)node)->children, child);
            {
                M_Viewport *vp = (M_Viewport*)child;
                if (converter->all_atts.viewBox) {
                    vp->size.x = converter->all_atts.viewBox->width;
                    vp->size.y = converter->all_atts.viewBox->height;
                    vp->position.x = converter->all_atts.viewBox->x+converter->all_atts.viewBox->width/2;
                    vp->position.y = -(converter->all_atts.viewBox->y+converter->all_atts.viewBox->height/2);
                } else {
                    vp->size.x = INT2FIX(converter->bifs_sg->width);
                    vp->size.y = INT2FIX(converter->bifs_sg->height);
                    vp->position.x = INT2FIX(converter->bifs_sg->width)/2;
                    vp->position.y = -INT2FIX(converter->bifs_sg->height)/2;
                }
            }

            child = gf_node_new(converter->bifs_sg, TAG_MPEG4_Background2D);
            gf_node_register(child, node);
            gf_node_list_add_child(&((GF_ParentNode*)node)->children, child);
            {
                M_Background2D *b = (M_Background2D *)child;
                b->backColor.red = FIX_ONE;
                b->backColor.green = FIX_ONE;
                b->backColor.blue = FIX_ONE;
            }

            child = gf_node_new(converter->bifs_sg, TAG_MPEG4_Transform2D);
            gf_node_register(child, node);
            gf_node_list_add_child(&((GF_ParentNode*)node)->children, child);
            node = child;
            child = NULL;
            {
                M_Transform2D *tr = (M_Transform2D *)node;
                tr->scale.y = -FIX_ONE;
            }
            converter->bifs_parent = node;
        }
    } else {
        GF_Node *node, *child;

        node = converter->bifs_parent;

        switch(tag) {
        case TAG_SVG_g:
        {
            if (converter->all_atts.transform) {
                node = add_transform_matrix(converter, node);
                converter->bifs_parent = node;
            } else {
                M_Group *g = (M_Group*)gf_node_new(converter->bifs_sg, TAG_MPEG4_Group);
                gf_node_register((GF_Node *)g, node);
                gf_node_list_add_child(&((GF_ParentNode*)node)->children, (GF_Node *)g);
                node = (GF_Node *)g;
                converter->bifs_parent = node;
            }
        }
        break;
        case TAG_SVG_rect:
        {
            Bool is_parent_set = 0;
            if (converter->all_atts.transform) {
                node = add_transform_matrix(converter, node);
                converter->bifs_parent = node;
                is_parent_set = 1;
            }
            if (converter->force_transform) {
                node = add_transform2d(converter, node);
                if (!is_parent_set) {
                    converter->bifs_parent = node;
                    is_parent_set = 1;
                }
            }
            if (converter->all_atts.x || converter->all_atts.y) {
                child = gf_node_new(converter->bifs_sg, TAG_MPEG4_Transform2D);
                gf_node_register(child, node);
                gf_node_list_add_child(&((GF_ParentNode*)node)->children, child);
                node = child;
                child = NULL;
                if (!is_parent_set) {
                    converter->bifs_parent = node;
                    is_parent_set = 1;
                }
                {
                    M_Transform2D *tr = (M_Transform2D *)node;
                    if (converter->all_atts.x) tr->translation.x = converter->all_atts.x->value + (converter->all_atts.width?converter->all_atts.width->value/2:0);
                    if (converter->all_atts.y) tr->translation.y = converter->all_atts.y->value + (converter->all_atts.height?converter->all_atts.height->value/2:0);
                }
            }
            child = gf_node_new(converter->bifs_sg, TAG_MPEG4_Shape);
            gf_node_register(child, node);
            gf_node_list_add_child(&((GF_ParentNode*)node)->children, child);
            node = child;
            child = NULL;
            if (!is_parent_set) converter->bifs_parent = node;
            {
                M_Shape *shape = (M_Shape *)node;
                shape->geometry = gf_node_new(converter->bifs_sg, TAG_MPEG4_Rectangle);
                gf_node_register(shape->geometry, (GF_Node *)shape);
                {
                    M_Rectangle *rect = (M_Rectangle *)shape->geometry;
                    if (converter->all_atts.width) rect->size.x = converter->all_atts.width->value;
                    if (converter->all_atts.height) rect->size.y = converter->all_atts.height->value;
                }

                shape->appearance = create_appearance(&converter->svg_props, converter->bifs_sg);
                gf_node_register(shape->appearance, (GF_Node *)shape);
            }
        }
        break;
        case TAG_SVG_path:
        {
            Bool is_parent_set = 0;
            if (converter->all_atts.transform) {
                node = add_transform_matrix(converter, node);
                converter->bifs_parent = node;
                is_parent_set = 1;
            }
            if (converter->force_transform) {
                node = add_transform2d(converter, node);
                if (!is_parent_set) {
                    converter->bifs_parent = node;
                    is_parent_set = 1;
                }
            }
            if (converter->all_atts.x || converter->all_atts.y) {
                child = gf_node_new(converter->bifs_sg, TAG_MPEG4_Transform2D);
                gf_node_register(child, node);
                gf_node_list_add_child(&((GF_ParentNode*)node)->children, child);
                node = child;
                child = NULL;
                if (!is_parent_set) {
                    converter->bifs_parent = node;
                    is_parent_set = 1;
                }
                {
                    M_Transform2D *tr = (M_Transform2D *)node;
                    if (converter->all_atts.x) tr->translation.x = converter->all_atts.x->value;
                    if (converter->all_atts.y) tr->translation.y = converter->all_atts.y->value;
                }
            }
            child = gf_node_new(converter->bifs_sg, TAG_MPEG4_Shape);
            gf_node_register(child, node);
            gf_node_list_add_child(&((GF_ParentNode*)node)->children, child);
            node = child;
            child = NULL;
            if (!is_parent_set) converter->bifs_parent = node;
            {
                M_Shape *shape = (M_Shape *)node;
                shape->geometry = gf_node_new(converter->bifs_sg, TAG_MPEG4_XCurve2D);
                gf_node_register(shape->geometry, (GF_Node *)shape);
                if (converter->all_atts.d) {
                    M_Coordinate2D *c2d;
                    M_XCurve2D *xc = (M_XCurve2D *)shape->geometry;
                    u32 i, j, c, k;

                    xc->point = gf_node_new(converter->bifs_sg, TAG_MPEG4_Coordinate2D);
                    c2d = (M_Coordinate2D *)xc->point;
                    gf_node_register(xc->point, (GF_Node *)xc);

                    gf_sg_vrml_mf_alloc(&c2d->point, GF_SG_VRML_MFVEC2F, converter->all_atts.d->n_points);
                    gf_sg_vrml_mf_alloc(&xc->type, GF_SG_VRML_MFINT32, converter->all_atts.d->n_points);

                    c = 0;
                    k = 0;
                    j = 0;
                    c2d->point.vals[k] = converter->all_atts.d->points[0];
                    k++;
                    xc->type.vals[0] = 0;
                    for (i = 1; i < converter->all_atts.d->n_points; ) {
                        switch(converter->all_atts.d->tags[i]) {
                        case GF_PATH_CURVE_ON:
                            c2d->point.vals[k] = converter->all_atts.d->points[i];
                            k++;

                            if (i-1 == converter->all_atts.d->contours[c]) {
                                xc->type.vals[j] = 0;
                                c++;
                            } else {
                                xc->type.vals[j] = 1;
                            }
                            i++;
                            break;
                        case GF_PATH_CURVE_CUBIC:
                            c2d->point.vals[k] = converter->all_atts.d->points[i];
                            c2d->point.vals[k+1] = converter->all_atts.d->points[i+1];
                            c2d->point.vals[k+2] = converter->all_atts.d->points[i+2];
                            k+=3;

                            xc->type.vals[j] = 2;
                            if (converter->all_atts.d->tags[i+2]==GF_PATH_CLOSE)  {
                                j++;
                                xc->type.vals[j] = 6;
                            }
                            i+=3;
                            break;
                        case GF_PATH_CLOSE:
                            xc->type.vals[j] = 6;
                            i++;
                            break;
                        case GF_PATH_CURVE_CONIC:
                            c2d->point.vals[k] = converter->all_atts.d->points[i];
                            c2d->point.vals[k+1] = converter->all_atts.d->points[i+1];
                            k+=2;

                            xc->type.vals[j] = 7;
                            if (converter->all_atts.d->tags[i+1]==GF_PATH_CLOSE)  {
                                j++;
                                xc->type.vals[j] = 6;
                            }
                            i+=2;
                            break;
                        }
                        j++;
                    }
                    xc->type.count = j;
                    c2d->point.count = k;
                }

                shape->appearance = create_appearance(&converter->svg_props, converter->bifs_sg);
                gf_node_register(shape->appearance, (GF_Node *)shape);
            }
        }
        break;
        case TAG_SVG_polyline:
        {
            Bool is_parent_set = 0;
            if (converter->all_atts.transform) {
                node = add_transform_matrix(converter, node);
                converter->bifs_parent = node;
                is_parent_set = 1;
            }
            if (converter->force_transform) {
                node = add_transform2d(converter, node);
                if (!is_parent_set) {
                    converter->bifs_parent = node;
                    is_parent_set = 1;
                }
            }
            child = gf_node_new(converter->bifs_sg, TAG_MPEG4_Shape);
            gf_node_register(child, node);
            gf_node_list_add_child(&((GF_ParentNode*)node)->children, child);
            node = child;
            child = NULL;
            if (!is_parent_set) converter->bifs_parent = node;
            {
                M_Shape *shape = (M_Shape *)node;
                shape->geometry = gf_node_new(converter->bifs_sg, TAG_MPEG4_IndexedFaceSet2D);
                gf_node_register(shape->geometry, (GF_Node *)shape);
                if (converter->all_atts.points) {
                    M_Coordinate2D *c2d;
                    M_IndexedFaceSet2D *ifs = (M_IndexedFaceSet2D *)shape->geometry;
                    u32 i;

                    ifs->coord = gf_node_new(converter->bifs_sg, TAG_MPEG4_Coordinate2D);
                    c2d = (M_Coordinate2D *)ifs->coord;
                    gf_node_register(ifs->coord, (GF_Node *)ifs);

                    gf_sg_vrml_mf_alloc(&c2d->point, GF_SG_VRML_MFVEC2F, gf_list_count(*converter->all_atts.points));
                    for (i = 0; i < gf_list_count(*converter->all_atts.points); i++) {
                        SVG_Point *p = (SVG_Point *)gf_list_get(*converter->all_atts.points, i);
                        c2d->point.vals[i].x = p->x;
                        c2d->point.vals[i].y = p->y;
                    }
                }

                shape->appearance = create_appearance(&converter->svg_props, converter->bifs_sg);
                gf_node_register(shape->appearance, (GF_Node *)shape);
            }
        }
        break;
        case TAG_SVG_text:
        {
            Bool is_parent_set = 0;
            if (converter->all_atts.transform) {
                node = add_transform_matrix(converter, node);
                converter->bifs_parent = node;
                is_parent_set = 1;
            }
            if (converter->force_transform) {
                node = add_transform2d(converter, node);
                if (!is_parent_set) {
                    converter->bifs_parent = node;
                    is_parent_set = 1;
                }
            }

            child = gf_node_new(converter->bifs_sg, TAG_MPEG4_Transform2D);
            gf_node_register(child, node);
            gf_node_list_add_child(&((GF_ParentNode*)node)->children, child);
            {
                M_Transform2D *tr = (M_Transform2D *)child;
                if (converter->all_atts.text_x) tr->translation.x = ((SVG_Coordinate *)gf_list_get(*converter->all_atts.text_x, 0))->value;
                if (converter->all_atts.text_y) tr->translation.y = ((SVG_Coordinate *)gf_list_get(*converter->all_atts.text_y, 0))->value;
                tr->scale.y = -FIX_ONE;
            }
            node = child;
            child = NULL;
            if (!is_parent_set) {
                converter->bifs_parent = node;
                is_parent_set = 1;
            }

            child = gf_node_new(converter->bifs_sg, TAG_MPEG4_Shape);
            gf_node_register(child, node);
            gf_node_list_add_child(&((GF_ParentNode*)node)->children, child);
            node = child;
            child = NULL;
            if (!is_parent_set) converter->bifs_parent = node;
            {
                M_FontStyle *fs;
                M_Text *text;
                M_Shape *shape = (M_Shape *)node;
                text = (M_Text *)gf_node_new(converter->bifs_sg, TAG_MPEG4_Text);
                shape->geometry = (GF_Node *)text;
                converter->bifs_text_node = shape->geometry;
                gf_node_register(shape->geometry, (GF_Node *)shape);

                fs = (M_FontStyle *)gf_node_new(converter->bifs_sg, TAG_MPEG4_XFontStyle);
                gf_node_register((GF_Node *)fs, (GF_Node*)text);
                text->fontStyle = (GF_Node *)fs;

                gf_sg_vrml_mf_alloc(&fs->family, GF_SG_VRML_MFSTRING, 1);
                fs->family.vals[0] = gf_strdup(converter->svg_props.font_family->value);
                fs->size = converter->svg_props.font_size->value;

                shape->appearance = create_appearance(&converter->svg_props, converter->bifs_sg);
                gf_node_register(shape->appearance, (GF_Node *)shape);
            }
        }
        break;
        case TAG_SVG_ellipse:
        case TAG_SVG_circle:
        {
            Bool is_parent_set = 0;
            if (converter->all_atts.transform) {
                node = add_transform_matrix(converter, node);
                converter->bifs_parent = node;
                is_parent_set = 1;
            }
            if (converter->force_transform) {
                node = add_transform2d(converter, node);
                if (!is_parent_set) {
                    converter->bifs_parent = node;
                    is_parent_set = 1;
                }
            }
            if (converter->all_atts.cx || converter->all_atts.cy) {
                child = gf_node_new(converter->bifs_sg, TAG_MPEG4_Transform2D);
                gf_node_register(child, node);
                gf_node_list_add_child(&((GF_ParentNode*)node)->children, child);
                {
                    M_Transform2D *tr = (M_Transform2D *)child;
                    if (converter->all_atts.cx) tr->translation.x = converter->all_atts.cx->value;
                    if (converter->all_atts.cy) tr->translation.y = converter->all_atts.cy->value;
                }
                node = child;
                child = NULL;
                if (!is_parent_set) {
                    converter->bifs_parent = node;
                    is_parent_set = 1;
                }
            }
            child = gf_node_new(converter->bifs_sg, TAG_MPEG4_Shape);
            gf_node_register(child, node);
            gf_node_list_add_child(&((GF_ParentNode*)node)->children, child);
            node = child;
            child = NULL;
            if (!is_parent_set) converter->bifs_parent = node;
            {
                M_Shape *shape = (M_Shape *)node;
                if (tag == TAG_SVG_ellipse) {
                    M_Ellipse *e = (M_Ellipse *)gf_node_new(converter->bifs_sg, TAG_MPEG4_Ellipse);
                    shape->geometry = (GF_Node *)e;
                    e->radius.x = converter->all_atts.rx->value;
                    e->radius.y = converter->all_atts.ry->value;
                } else {
                    M_Circle *c = (M_Circle *)gf_node_new(converter->bifs_sg, TAG_MPEG4_Circle);
                    shape->geometry = (GF_Node *)c;
                    c->radius = converter->all_atts.r->value;
                }
                gf_node_register(shape->geometry, (GF_Node *)shape);

                shape->appearance = create_appearance(&converter->svg_props, converter->bifs_sg);
                gf_node_register(shape->appearance, (GF_Node *)shape);
            }
        }
        break;

        case TAG_SVG_defs:
        {
            child = gf_node_new(converter->bifs_sg, TAG_MPEG4_Switch);
            gf_node_register(child, node);
            gf_node_list_add_child(&((GF_ParentNode*)node)->children, child);
            node = child;
            child = NULL;
            {
                M_Switch *sw = (M_Switch *)node;
                sw->whichChoice = -1;
            }
            converter->bifs_parent = node;
        }
        break;
        case TAG_SVG_solidColor:
        {
            child = gf_node_new(converter->bifs_sg, TAG_MPEG4_Shape);
            gf_node_register(child, node);
            gf_node_list_add_child(&((GF_ParentNode*)node)->children, child);
            node = child;
            child = NULL;
            converter->bifs_parent = node;
        }
        break;
        case TAG_SVG_animateTransform:
        {
            GF_Node *child_ts;
            if (!gf_node_get_id(node)) {
                gf_node_set_id(node, gf_sg_get_next_available_node_id(converter->bifs_sg), NULL);
            }

            child_ts = gf_node_new(converter->bifs_sg, TAG_MPEG4_TimeSensor);
            if (!gf_node_get_id(child_ts)) {
                gf_node_set_id(child_ts, gf_sg_get_next_available_node_id(converter->bifs_sg), NULL);
            }
            gf_node_register(child_ts, node);
            gf_node_list_add_child(&((GF_ParentNode *)node)->children, child_ts);
            {
                M_TimeSensor *ts = (M_TimeSensor *)child_ts;
                if (converter->all_atts.dur) {
                    ts->cycleInterval = converter->all_atts.dur->clock_value;
                }
                if (converter->all_atts.repeatCount && converter->all_atts.repeatCount->type == SMIL_REPEATCOUNT_INDEFINITE) {
                    ts->loop = 1;
                }
            }

            if (converter->all_atts.transform_type) {
                GF_FieldInfo fromField, toField;

                switch (*converter->all_atts.transform_type) {
                case SVG_TRANSFORM_ROTATE:
                    child = gf_node_new(converter->bifs_sg, TAG_MPEG4_PositionInterpolator2D);
                    if (!gf_node_get_id(child)) {
                        gf_node_set_id(child, gf_sg_get_next_available_node_id(converter->bifs_sg), NULL);
                    }
                    gf_node_register(child, node);
                    gf_node_list_add_child(&((GF_ParentNode *)node)->children, child);

                    gf_node_get_field_by_name(child_ts, "fraction_changed", &fromField);
                    gf_node_get_field_by_name(child, "set_fraction", &toField);
                    gf_sg_route_new(converter->bifs_sg, child_ts, fromField.fieldIndex, child, toField.fieldIndex);

                    gf_node_get_field_by_name(child, "value_changed", &fromField);
                    gf_node_get_field_by_name(node, "rotationAngle", &toField);
                    gf_sg_route_new(converter->bifs_sg, child, fromField.fieldIndex, node, toField.fieldIndex);
                    {
                        M_PositionInterpolator2D *pi2d = (M_PositionInterpolator2D *)child;
                        if (converter->all_atts.keyTimes) {
                            SFFloat *g;
                            u32 count, i;
                            count = gf_list_count(*converter->all_atts.keyTimes);
                            for (i = 0; i < count; i++) {
                                Fixed *f = gf_list_get(*converter->all_atts.keyTimes, i);
                                gf_sg_vrml_mf_append(&pi2d->key, GF_SG_VRML_MFFLOAT, &g);
                                *g = *f;
                            }
                        }
                        if (converter->all_atts.values) {
                            SFVec2f *g;
                            u32 count, i;
                            count = gf_list_count(converter->all_atts.values->values);
                            for (i = 0; i < count; i++) {
                                SVG_Point_Angle *p;
                                p = gf_list_get(converter->all_atts.values->values, i);
                                gf_sg_vrml_mf_append(&pi2d->keyValue, GF_SG_VRML_MFVEC2F, &g);
                                g->x = p->x;
                                g->y = p->y;
                            }
                        }
                    }


                    child = gf_node_new(converter->bifs_sg, TAG_MPEG4_ScalarInterpolator);
                    if (!gf_node_get_id(child)) {
                        gf_node_set_id(child, gf_sg_get_next_available_node_id(converter->bifs_sg), NULL);
                    }
                    gf_node_register(child, node);
                    gf_node_list_add_child(&((GF_ParentNode *)node)->children, child);

                    gf_node_get_field_by_name(child_ts, "fraction_changed", &fromField);
                    gf_node_get_field_by_name(child, "set_fraction", &toField);
                    gf_sg_route_new(converter->bifs_sg, child_ts, fromField.fieldIndex, child, toField.fieldIndex);

                    gf_node_get_field_by_name(child, "value_changed", &fromField);
                    gf_node_get_field_by_name(node, "center", &toField);
                    gf_sg_route_new(converter->bifs_sg, child, fromField.fieldIndex, node, toField.fieldIndex);

                    {
                        M_ScalarInterpolator *si = (M_ScalarInterpolator *)child;
                        if (converter->all_atts.keyTimes) {
                            SFFloat *g;
                            u32 count, i;
                            count = gf_list_count(*converter->all_atts.keyTimes);
                            for (i = 0; i < count; i++) {
                                Fixed *f = gf_list_get(*converter->all_atts.keyTimes, i);
                                gf_sg_vrml_mf_append(&si->key, GF_SG_VRML_MFFLOAT, &g);
                                *g = *f;
                            }
                        }
                        if (converter->all_atts.values) {
                            SFFloat *g;
                            u32 count, i;
                            count = gf_list_count(converter->all_atts.values->values);
                            for (i = 0; i < count; i++) {
                                SVG_Point_Angle *p;
                                p = gf_list_get(converter->all_atts.values->values, i);
                                gf_sg_vrml_mf_append(&si->keyValue, GF_SG_VRML_MFFLOAT, &g);
                                *g = p->angle;
                            }
                        }
                    }

                    break;

                case SVG_TRANSFORM_SCALE:
                case SVG_TRANSFORM_TRANSLATE:
                    child = gf_node_new(converter->bifs_sg, TAG_MPEG4_PositionInterpolator2D);
                    if (!gf_node_get_id(child)) {
                        gf_node_set_id(child, gf_sg_get_next_available_node_id(converter->bifs_sg), NULL);
                    }
                    gf_node_register(child, node);
                    gf_node_list_add_child(&((GF_ParentNode *)node)->children, child);

                    gf_node_get_field_by_name(child_ts, "fraction_changed", &fromField);
                    gf_node_get_field_by_name(child, "set_fraction", &toField);
                    gf_sg_route_new(converter->bifs_sg, child_ts, fromField.fieldIndex, child, toField.fieldIndex);

                    gf_node_get_field_by_name(child, "value_changed", &fromField);
                    if (*converter->all_atts.transform_type == SVG_TRANSFORM_SCALE)
                        gf_node_get_field_by_name(node, "scale", &toField);
                    else
                        gf_node_get_field_by_name(node, "translation", &toField);

                    gf_sg_route_new(converter->bifs_sg, child, fromField.fieldIndex, node, toField.fieldIndex);
                    {
                        M_PositionInterpolator2D *pi2d = (M_PositionInterpolator2D *)child;
                        if (converter->all_atts.keyTimes) {
                            SFFloat *g;
                            u32 count, i;
                            count = gf_list_count(*converter->all_atts.keyTimes);
                            for (i = 0; i < count; i++) {
                                Fixed *f = gf_list_get(*converter->all_atts.keyTimes, i);
                                gf_sg_vrml_mf_append(&pi2d->key, GF_SG_VRML_MFFLOAT, &g);
                                *g = *f;
                            }
                        }
                        if (converter->all_atts.values) {
                            SFVec2f *g;
                            u32 count, i;
                            count = gf_list_count(converter->all_atts.values->values);
                            for (i = 0; i < count; i++) {
                                SVG_Point *p;
                                p = gf_list_get(converter->all_atts.values->values, i);
                                gf_sg_vrml_mf_append(&pi2d->keyValue, GF_SG_VRML_MFVEC2F, &g);
                                g->x = p->x;
                                g->y = p->y;
                            }
                        }
                    }
                    break;
                default:
                    fprintf(stdout, "Warning: transformation type not supported \n");
                }
            }
            //converter->bifs_parent = node;
        }
        break;
        default:
        {
            fprintf(stdout, "Warning: element %s not supported \n", gf_node_get_class_name((GF_Node *)elt));
            child = gf_node_new(converter->bifs_sg, TAG_MPEG4_Transform2D);
            gf_node_register(child, node);
            //gf_node_list_add_child(&((GF_ParentNode*)node)->children, child);
            node = child;
            child = NULL;
            converter->bifs_parent = node;
        }
        break;
        }

        if (id_string)
            gf_node_set_id(converter->bifs_parent, gf_sg_get_next_available_node_id(converter->bifs_sg), NULL);//gf_node_get_name((GF_Node *)elt));

    }
    fprintf(stdout, "\t%s\n", converter->bifs_parent ? gf_node_get_class_name(converter->bifs_parent) : "none");
}
示例#2
0
GF_EXPORT
GF_Err gf_sg_command_apply(GF_SceneGraph *graph, GF_Command *com, Double time_offset)
{
	GF_Err e;
	GF_CommandField *inf;
	GF_FieldInfo field;
	GF_Node *def, *node;
	void *slot_ptr;

	if (!com || !graph) return GF_BAD_PARAM;

	e = GF_OK;
	switch (com->tag) {
	case GF_SG_SCENE_REPLACE:
		/*unregister root*/
		gf_node_unregister(graph->RootNode, NULL);
		/*remove all protos and routes*/
		while (gf_list_count(graph->routes_to_activate)) 
			gf_list_rem(graph->routes_to_activate, 0);
		
		/*destroy all routes*/
		while (gf_list_count(graph->Routes)) {
			GF_Route *r = (GF_Route *)gf_list_get(graph->Routes, 0);
			/*this will unregister the route from the graph, so don't delete the chain entry*/
			gf_sg_route_del(r);
		}
		/*destroy all proto*/
		while (gf_list_count(graph->protos)) {
			GF_Proto *p = (GF_Proto*)gf_list_get(graph->protos, 0);
			/*this will unregister the proto from the graph, so don't delete the chain entry*/
			gf_sg_proto_del(p);
		}
		/*DO NOT TOUCH node registry*/
		/*DO NOT TOUCH UNREGISTERED PROTOS*/

		/*move all protos in graph*/
		while (gf_list_count(com->new_proto_list)) {
			GF_Proto *p = (GF_Proto*)gf_list_get(com->new_proto_list, 0);
			gf_list_rem(com->new_proto_list, 0);
			gf_list_del_item(graph->unregistered_protos, p);
			gf_list_add(graph->protos, p);
		}
		/*assign new root (no need to register/unregister)*/
		graph->RootNode = com->node;
		com->node = NULL;
		break;

	case GF_SG_NODE_REPLACE:
		if (!gf_list_count(com->command_fields)) return GF_OK;
		inf = (GF_CommandField*)gf_list_get(com->command_fields, 0);
		e = gf_node_replace(com->node, inf->new_node, 0);
		if (inf->new_node) gf_node_register(inf->new_node, NULL);
		break;

	case GF_SG_MULTIPLE_REPLACE:
	case GF_SG_FIELD_REPLACE:
	{
		u32 j;
		GF_ChildNodeItem *list, *cur, *prev;
		j=0;
		while ((inf = (GF_CommandField*)gf_list_enum(com->command_fields, &j))) {
			e = gf_node_get_field(com->node, inf->fieldIndex, &field);
			if (e) return e;

			switch (field.fieldType) {
			case GF_SG_VRML_SFNODE:
			{
				node = *((GF_Node **) field.far_ptr);
				e = gf_node_unregister(node, com->node);
				*((GF_Node **) field.far_ptr) = inf->new_node;
				if (!e) gf_node_register(inf->new_node, com->node);
				break;
			}
			case GF_SG_VRML_MFNODE:
				gf_node_unregister_children(com->node, * ((GF_ChildNodeItem **) field.far_ptr));
				* ((GF_ChildNodeItem **) field.far_ptr) = NULL;

				list = * ((GF_ChildNodeItem **) inf->field_ptr);
				prev=NULL;
				while (list) {
					cur = malloc(sizeof(GF_ChildNodeItem));
					cur->next = NULL;
					cur->node = list->node;
					if (prev) {
						prev->next = cur;
					} else {
						* ((GF_ChildNodeItem **) field.far_ptr) = cur;
					}
					gf_node_register(list->node, com->node);
					prev = cur;
					list = list->next;
				}
				break;
			default:
				/*this is a regular field, reset it and clone - we cannot switch pointers since the
				original fields are NOT pointers*/
				if (!gf_sg_vrml_is_sf_field(field.fieldType)) {
					e = gf_sg_vrml_mf_reset(field.far_ptr, field.fieldType);
				}
				if (e) return e;
				gf_sg_vrml_field_copy(field.far_ptr, inf->field_ptr, field.fieldType);
				if (field.fieldType==GF_SG_VRML_SFTIME) *(SFTime *)field.far_ptr = *(SFTime *)field.far_ptr + time_offset;
				break;
			}
			SG_CheckFieldChange(com->node, &field);
		}
		break;
	}

	case GF_SG_MULTIPLE_INDEXED_REPLACE:
	case GF_SG_INDEXED_REPLACE:
	{
		u32 sftype, i=0;
		while ((inf = (GF_CommandField*)gf_list_enum(com->command_fields, &i))) {
			e = gf_node_get_field(com->node, inf->fieldIndex, &field);
			if (e) return e;

			/*if MFNode remove the child and set new node*/
			if (field.fieldType == GF_SG_VRML_MFNODE) {
				/*we must remove the node before in case the new node uses the same ID (not forbidden) and this
				command removes the last instance of the node with the same ID*/
				gf_node_replace_child(com->node, (GF_ChildNodeItem**) field.far_ptr, inf->pos, inf->new_node);
				if (inf->new_node) gf_node_register(inf->new_node, NULL);
			}
			/*erase the field item*/
			else {
				if ((inf->pos < 0) || ((u32) inf->pos >= ((GenMFField *) field.far_ptr)->count) ) {
					inf->pos = ((GenMFField *)field.far_ptr)->count - 1;
					/*may happen with text and default value*/
					if (inf->pos < 0) {
						inf->pos = 0;
						gf_sg_vrml_mf_alloc(field.far_ptr, field.fieldType, 1);
					}
				}
				e = gf_sg_vrml_mf_get_item(field.far_ptr, field.fieldType, & slot_ptr, inf->pos);
				if (e) return e;
				sftype = gf_sg_vrml_get_sf_type(field.fieldType);
				gf_sg_vrml_field_copy(slot_ptr, inf->field_ptr, sftype);
				/*note we don't add time offset, since there's no MFTime*/
			}
			SG_CheckFieldChange(com->node, &field);
		}
		break;
	}
	case GF_SG_ROUTE_REPLACE:
	{
		GF_Route *r;
		char *name;
		r = gf_sg_route_find(graph, com->RouteID);
		def = gf_sg_find_node(graph, com->fromNodeID);
		node = gf_sg_find_node(graph, com->toNodeID);
		if (!node || !def) return GF_SG_UNKNOWN_NODE;
		name = NULL;
		if (r) {
			name = r->name;
			r->name = NULL;
			gf_sg_route_del(r);
		}
		r = gf_sg_route_new(graph, def, com->fromFieldIndex, node, com->toFieldIndex);
		gf_sg_route_set_id(r, com->RouteID);
		if (name) {
			gf_sg_route_set_name(r, name);
			free(name);
		}
		break;
	}
	case GF_SG_NODE_DELETE_EX:
	case GF_SG_NODE_DELETE:
	{
		if (com->node) gf_node_replace(com->node, NULL, (com->tag==GF_SG_NODE_DELETE_EX) ? 1 : 0);
		break;
	}
	case GF_SG_ROUTE_DELETE:
	{
		return gf_sg_route_del_by_id(graph, com->RouteID);
	}
	case GF_SG_INDEXED_DELETE:
	{
		if (!gf_list_count(com->command_fields)) return GF_OK;
		inf = (GF_CommandField*)gf_list_get(com->command_fields, 0);

		e = gf_node_get_field(com->node, inf->fieldIndex, &field);
		if (e) return e;
		if (gf_sg_vrml_is_sf_field(field.fieldType)) return GF_NON_COMPLIANT_BITSTREAM;

		/*then we need special handling in case of a node*/
		if (gf_sg_vrml_get_sf_type(field.fieldType) == GF_SG_VRML_SFNODE) {
			e = gf_node_replace_child(com->node, (GF_ChildNodeItem **) field.far_ptr, inf->pos, NULL);
		} else {
			if ((inf->pos < 0) || ((u32) inf->pos >= ((GenMFField *) field.far_ptr)->count) ) {
				inf->pos = ((GenMFField *)field.far_ptr)->count - 1;
			}
			/*this is a regular MFField, just remove the item (realloc)*/
			e = gf_sg_vrml_mf_remove(field.far_ptr, field.fieldType, inf->pos);
		}
		/*deletion -> node has changed*/
		if (!e) SG_CheckFieldChange(com->node, &field);
		break;
	}
	case GF_SG_NODE_INSERT:
	{
		if (!gf_list_count(com->command_fields)) return GF_OK;
		inf = (GF_CommandField*)gf_list_get(com->command_fields, 0);

		e = gf_node_insert_child(com->node, inf->new_node, inf->pos);
		if (!e) gf_node_register(inf->new_node, com->node);
		if (!e) gf_node_event_out(com->node, inf->fieldIndex);
		if (!e) gf_node_changed(com->node, NULL);
		break;
	}
	case GF_SG_ROUTE_INSERT:
	{
		GF_Route *r;
		def = gf_sg_find_node(graph, com->fromNodeID);
		node = gf_sg_find_node(graph, com->toNodeID);
		if (!node || !def) return GF_SG_UNKNOWN_NODE;
		r = gf_sg_route_new(graph, def, com->fromFieldIndex, node, com->toFieldIndex);
		if (com->RouteID) gf_sg_route_set_id(r, com->RouteID);
		if (com->def_name) {
			gf_sg_route_set_name(r, com->def_name);
			free(com->def_name);
			com->def_name = NULL;
		}
		break;
	}
	case GF_SG_INDEXED_INSERT:
	{
		u32 sftype;
		if (!gf_list_count(com->command_fields)) return GF_OK;
		inf = (GF_CommandField*)gf_list_get(com->command_fields, 0);
		e = gf_node_get_field(com->node, inf->fieldIndex, &field);
		if (e) return e;

		/*rescale the MFField and parse the SFField*/
		if (field.fieldType != GF_SG_VRML_MFNODE) {
			if (inf->pos == -1) {
				e = gf_sg_vrml_mf_append(field.far_ptr, field.fieldType, & slot_ptr);
			} else {
				e = gf_sg_vrml_mf_insert(field.far_ptr, field.fieldType, & slot_ptr, inf->pos);
			}
			if (e) return e;
			sftype = gf_sg_vrml_get_sf_type(field.fieldType);
			gf_sg_vrml_field_copy(slot_ptr, inf->field_ptr, sftype);
		} else {
			if (inf->new_node) {
				if (inf->pos == -1) {
					gf_node_list_add_child( (GF_ChildNodeItem **) field.far_ptr, inf->new_node);
				} else {
					gf_node_list_insert_child((GF_ChildNodeItem **) field.far_ptr, inf->new_node, inf->pos);
				}
				gf_node_register(inf->new_node, com->node);
			}
		}
		if (!e) SG_CheckFieldChange(com->node, &field);
		break;
	}
	case GF_SG_PROTO_INSERT:
		/*destroy all proto*/
		while (gf_list_count(com->new_proto_list)) {
			GF_Proto *p = (GF_Proto*)gf_list_get(com->new_proto_list, 0);
			gf_list_rem(com->new_proto_list, 0);
			gf_list_del_item(graph->unregistered_protos, p);
			gf_list_add(graph->protos, p);
		}
		return GF_OK;
	case GF_SG_PROTO_DELETE:
		{
			u32 i;
			for (i=0; i<com->del_proto_list_size; i++) {
				/*note this will check for unregistered protos, but since IDs are unique we are sure we will 
				not destroy an unregistered one*/
				GF_Proto *proto = gf_sg_find_proto(graph, com->del_proto_list[i], NULL);
				if (proto) gf_sg_proto_del(proto);
			}
		}
		return GF_OK;
	case GF_SG_PROTO_DELETE_ALL:
		/*destroy all proto*/
		while (gf_list_count(graph->protos)) {
			GF_Proto *p = (GF_Proto*)gf_list_get(graph->protos, 0);
			gf_list_rem(graph->protos, 0);
			/*this will unregister the proto from the graph, so don't delete the chain entry*/
			gf_sg_proto_del(p);
		}
		/*DO NOT TOUCH UNREGISTERED PROTOS*/
		return GF_OK;
	/*only used by BIFS*/
	case GF_SG_GLOBAL_QUANTIZER:
		return GF_OK;

#ifndef GPAC_DISABLE_SVG
	/*laser commands*/
	case GF_SG_LSR_NEW_SCENE:
		/*DO NOT TOUCH node registry*/

		/*assign new root (no need to register/unregister)*/
		graph->RootNode = com->node;
		com->node = NULL;
		break;
	case GF_SG_LSR_DELETE:
		if (!com->node) return GF_NON_COMPLIANT_BITSTREAM;
		if (!gf_list_count(com->command_fields)) {
			gf_node_replace(com->node, NULL, 0);
			gf_node_deactivate(com->node);
			return GF_OK;
		}
		inf = (GF_CommandField*)gf_list_get(com->command_fields, 0);
		node = gf_node_list_get_child(((SVG_Element *)com->node)->children, inf->pos);
		if (node) {
			e = gf_node_replace_child(com->node, &((SVG_Element *)com->node)->children, inf->pos, NULL);
			gf_node_deactivate(node);
		}
		break;
	case GF_SG_LSR_INSERT:
		inf = (GF_CommandField*)gf_list_get(com->command_fields, 0);
		if (!com->node || !inf) return GF_NON_COMPLIANT_BITSTREAM;
		if (inf->new_node) {
			if (inf->pos<0) 
				gf_node_list_add_child(& ((SVG_Element *)com->node)->children, inf->new_node);
			else
				gf_node_list_insert_child(& ((SVG_Element *)com->node)->children, inf->new_node, inf->pos);

			gf_node_register(inf->new_node, com->node);
			gf_node_activate(inf->new_node);
			gf_node_changed(com->node, NULL);
		} else {
			/*NOT SUPPORTED*/
			GF_LOG(GF_LOG_ERROR, GF_LOG_CODEC, ("[LASeR] VALUE INSERTION NOT SUPPORTED\n"));
		}
		break;
	case GF_SG_LSR_ADD:
	case GF_SG_LSR_REPLACE:
		inf = (GF_CommandField*)gf_list_get(com->command_fields, 0);
		if (!com->node || !inf) return GF_NON_COMPLIANT_BITSTREAM;
		if (inf->new_node) {
			if (inf->pos<0) {
				/*if fieldIndex (eg attributeName) is set, this is children replacement*/
				if (inf->fieldIndex>0) {
					gf_node_unregister_children_deactivate(com->node, ((SVG_Element *)com->node)->children);
					((SVG_Element *)com->node)->children = NULL;
					gf_node_list_add_child(& ((SVG_Element *)com->node)->children, inf->new_node);
					gf_node_register(inf->new_node, com->node);
					gf_node_activate(inf->new_node);
				} else {
					e = gf_node_replace(com->node, inf->new_node, 0);
					gf_node_activate(inf->new_node);
				}
			} else {
				node = gf_node_list_get_child( ((SVG_Element *)com->node)->children, inf->pos);
				gf_node_replace_child(com->node, & ((SVG_Element *)com->node)->children, inf->pos, inf->new_node);
				gf_node_register(inf->new_node, com->node);
				if (node) gf_node_deactivate(node);
				gf_node_activate(inf->new_node);
			}
			/*signal node modif*/
			gf_node_changed(com->node, NULL);
			return e;
		} else if (inf->node_list) {
			GF_ChildNodeItem *child, *cur, *prev;
			gf_node_unregister_children_deactivate(com->node, ((SVG_Element *)com->node)->children);
			((SVG_Element *)com->node)->children = NULL;

			prev = NULL;
			child = inf->node_list;
			while (child) {
				cur = (GF_ChildNodeItem*)malloc(sizeof(GF_ChildNodeItem));
				cur->next = NULL;
				cur->node = child->node;
				gf_node_register(child->node, com->node);
				gf_node_activate(child->node);
				if (prev) prev->next = cur;
				else ((SVG_Element *)com->node)->children = cur;
				prev = cur;
				child = child->next;
			}
			/*signal node modif*/
			gf_node_changed(com->node, NULL);
			return GF_OK;
		}
		/*attribute modif*/
		else if (inf->field_ptr) {
			GF_FieldInfo a, b;
			if (inf->fieldIndex==(u32) -2) {
				GF_Point2D scale, translate;
				Fixed rotate;
				GF_Matrix2D *dest;
				gf_node_get_field_by_name(com->node, "transform", &a);
				dest = (GF_Matrix2D*)a.far_ptr;
				
				if (com->tag==GF_SG_LSR_REPLACE) {
					if (gf_mx2d_decompose(dest, &scale, &rotate, &translate)) {
						gf_mx2d_init(*dest);
						if (inf->fieldType==SVG_TRANSFORM_SCALE) scale = *(GF_Point2D *)inf->field_ptr;
						else if (inf->fieldType==SVG_TRANSFORM_TRANSLATE) translate = *(GF_Point2D *)inf->field_ptr;
						else if (inf->fieldType==SVG_TRANSFORM_ROTATE) rotate = ((SVG_Point_Angle*)inf->field_ptr)->angle;

						gf_mx2d_add_scale(dest, scale.x, scale.y);
						gf_mx2d_add_rotation(dest, 0, 0, rotate);
						gf_mx2d_add_translation(dest, translate.x, translate.y);
					}
				} else {
					GF_Point2D *pt = (GF_Point2D *)inf->field_ptr;
					if (inf->fieldType==SVG_TRANSFORM_SCALE) gf_mx2d_add_scale(dest, pt->x, pt->y);
					else if (inf->fieldType==SVG_TRANSFORM_TRANSLATE) gf_mx2d_add_translation(dest, pt->x, pt->y);
					else if (inf->fieldType == SVG_TRANSFORM_ROTATE) gf_mx2d_add_rotation(dest, 0, 0, ((SVG_Point_Angle*)inf->field_ptr)->angle);
				}
			} else {
				if ((inf->fieldIndex==(u32) -1) && (inf->fieldType==SVG_String_datatype)) {
					char *str = *(SVG_String*)inf->field_ptr;

					if (com->tag == GF_SG_LSR_REPLACE) {
						GF_DOMText *t = ((SVG_Element*)com->node)->children ? (GF_DOMText*) ((SVG_Element*)com->node)->children->node :NULL; 
						if (t && (t->sgprivate->tag==TAG_DOMText)) {
							if (t->textContent) free(t->textContent);
							t->textContent = NULL;
							if (str) t->textContent = strdup(str);
						}
					} else {
						if (str) gf_dom_add_text_node(com->node, strdup(str));
					}
				}
				else if ((inf->fieldIndex==TAG_LSR_ATT_scale) 
					|| (inf->fieldIndex==TAG_LSR_ATT_translation)
					|| (inf->fieldIndex==TAG_LSR_ATT_rotation)
				) {
					SVG_Transform *mx;
					gf_svg_get_attribute_by_tag(com->node, TAG_SVG_ATT_transform, 1, 0, &a);
					mx = a.far_ptr;
					if (com->tag == GF_SG_LSR_REPLACE) {
						GF_Point2D scale, translate;
						SVG_Point_Angle rotate;
						if (gf_mx2d_decompose(&mx->mat, &scale, &rotate.angle, &translate)) {
							gf_mx2d_init(mx->mat);
							if (inf->fieldIndex==TAG_LSR_ATT_scale) scale = *(GF_Point2D *)inf->field_ptr;
							else if (inf->fieldIndex==TAG_LSR_ATT_translation) translate = *(GF_Point2D *)inf->field_ptr;
							else if (inf->fieldIndex==TAG_LSR_ATT_rotation) rotate = *(SVG_Point_Angle*)inf->field_ptr;

							gf_mx2d_add_scale(&mx->mat, scale.x, scale.y);
							gf_mx2d_add_rotation(&mx->mat, 0, 0, rotate.angle);
							gf_mx2d_add_translation(&mx->mat, translate.x, translate.y);
						}
					} else {
						if (inf->fieldIndex==TAG_LSR_ATT_scale) gf_mx2d_add_scale(&mx->mat, ((GF_Point2D*)inf->field_ptr)->x, ((GF_Point2D*)inf->field_ptr)->y);
						if (inf->fieldIndex==TAG_LSR_ATT_translation) gf_mx2d_add_translation(&mx->mat, ((GF_Point2D*)inf->field_ptr)->x, ((GF_Point2D*)inf->field_ptr)->y);
						if (inf->fieldIndex==TAG_LSR_ATT_rotation) gf_mx2d_add_rotation(&mx->mat, 0, 0, ((SVG_Point_Angle*)inf->field_ptr)->angle);
					}
				}
				else if (gf_svg_get_attribute_by_tag(com->node, inf->fieldIndex, 1, 0, &a) == GF_OK) {
					b = a;
					b.far_ptr = inf->field_ptr;
					if (com->tag == GF_SG_LSR_REPLACE) {
						gf_svg_attributes_copy(&a, &b, 0);
					} else {
						gf_svg_attributes_add(&a, &b, &a, 0);
					}
				}
				b = a;
				b.far_ptr = inf->field_ptr;
			}
			/*signal node modif*/
			gf_node_changed(com->node, &a);
		} else if (com->fromNodeID) {
			GF_FieldInfo a, b;
			GF_Node *fromNode = gf_sg_find_node(graph, com->fromNodeID);
			if (!fromNode) return GF_NON_COMPLIANT_BITSTREAM;
			if (gf_node_get_field(fromNode, com->fromFieldIndex, &b) != GF_OK) return GF_NON_COMPLIANT_BITSTREAM;

			if ((inf->fieldIndex==(u32) -1) && (inf->fieldType==SVG_String_datatype)) {
				char *str = *(SVG_String*)inf->field_ptr;

				if (com->tag == GF_SG_LSR_REPLACE) {
					GF_DOMText *t = ((SVG_Element*)com->node)->children ? (GF_DOMText*) ((SVG_Element*)com->node)->children->node :NULL; 
					if (t && (t->sgprivate->tag==TAG_DOMText)) {
						if (t->textContent) free(t->textContent);
						t->textContent = NULL;
						if (str) t->textContent = strdup(str);
					}
				} else {
					if (str) gf_dom_add_text_node(com->node, strdup(str));
				}
			} else {
				gf_node_get_field(com->node, inf->fieldIndex, &a);
				if (com->tag == GF_SG_LSR_REPLACE) {
					e = gf_svg_attributes_copy(&a, &b, 0);
				} else {
					e = gf_svg_attributes_add(&a, &b, &a, 0);
				}
			}
			gf_node_changed(com->node, &a);
			return e;
		} else {
			return GF_NON_COMPLIANT_BITSTREAM;
		}
		break;
	case GF_SG_LSR_ACTIVATE:
		gf_node_activate(com->node);
		break;
	case GF_SG_LSR_DEACTIVATE:
		gf_node_deactivate(com->node);
		gf_node_changed(com->node, NULL);
		break;
#endif

	default:
		return GF_NOT_SUPPORTED;
	}
	if (e) return e;

	if (com->scripts_to_load) {
		while (gf_list_count(com->scripts_to_load)) {
			GF_Node *script = (GF_Node *)gf_list_get(com->scripts_to_load, 0);
			gf_list_rem(com->scripts_to_load, 0);
			gf_sg_script_load(script);
		}
		gf_list_del(com->scripts_to_load);
		com->scripts_to_load = NULL;
	}
	return GF_OK;
}
示例#3
0
static GF_Err TTD_AttachStream(GF_BaseDecoder *plug, GF_ESD *esd)
{
	TTDPriv *priv = (TTDPriv *)plug->privateStack;
	GF_Err e;
	GF_Node *root, *n1, *n2;
	const char *opt;
	/*no scalable, no upstream*/
	if (priv->nb_streams || esd->decoderConfig->upstream) return GF_NOT_SUPPORTED;
	if (!esd->decoderConfig->decoderSpecificInfo || !esd->decoderConfig->decoderSpecificInfo->data) return GF_NON_COMPLIANT_BITSTREAM;

	priv->cfg = (GF_TextConfig *) gf_odf_desc_new(GF_ODF_TEXT_CFG_TAG);
	e = gf_odf_get_text_config(esd->decoderConfig->decoderSpecificInfo, (u8) esd->decoderConfig->objectTypeIndication, priv->cfg);
	if (e) {
		gf_odf_desc_del((GF_Descriptor *) priv->cfg);
		priv->cfg = NULL;
		return e;
	}
	priv->nb_streams++;
	if (!priv->cfg->timescale) priv->cfg->timescale = 1000;

	priv->sg = gf_sg_new_subscene(priv->inlineScene->graph);

	root = ttd_create_node(priv, TAG_MPEG4_OrderedGroup, NULL);
	gf_sg_set_root_node(priv->sg, root);
	gf_node_register(root, NULL);
	/*root transform*/
	priv->tr_track = (M_Transform2D *)ttd_create_node(priv, TAG_MPEG4_Transform2D, NULL);
	add_child((GF_Node *) priv->tr_track, root);

	TTD_UpdateSizeInfo(priv);

	/*txt track background*/
	n1 = ttd_create_node(priv, TAG_MPEG4_Shape, NULL);
	add_child(n1, (GF_Node *) priv->tr_track);
	((M_Shape *)n1)->appearance = ttd_create_node(priv, TAG_MPEG4_Appearance, NULL);
	gf_node_register(((M_Shape *)n1)->appearance, n1);
	priv->mat_track = (M_Material2D *) ttd_create_node(priv, TAG_MPEG4_Material2D, NULL);
	priv->mat_track->filled = 1;
	priv->mat_track->transparency = 1;
	((M_Appearance *) ((M_Shape *)n1)->appearance)->material = (GF_Node *) priv->mat_track;
	gf_node_register((GF_Node *) priv->mat_track, ((M_Shape *)n1)->appearance);
	n2 = ttd_create_node(priv, TAG_MPEG4_Rectangle, NULL);
	((M_Rectangle *)n2)->size.x = 0;
	((M_Rectangle *)n2)->size.y = 0;
	((M_Shape *)n1)->geometry = n2;
	gf_node_register(n2, n1);
	priv->rec_track = (M_Rectangle *)n2;

	/*txt box background*/
	priv->tr_box = (M_Transform2D *) ttd_create_node(priv, TAG_MPEG4_Transform2D, NULL);
	add_child((GF_Node*) priv->tr_box, (GF_Node*)priv->tr_track);
	n1 = ttd_create_node(priv, TAG_MPEG4_Shape, NULL);
	add_child(n1, (GF_Node*)priv->tr_box);
	((M_Shape *)n1)->appearance = ttd_create_node(priv, TAG_MPEG4_Appearance, NULL);
	gf_node_register(((M_Shape *)n1)->appearance, n1);
	priv->mat_box = (M_Material2D *) ttd_create_node(priv, TAG_MPEG4_Material2D, NULL);
	priv->mat_box->filled = 1;
	priv->mat_box->transparency = 1;
	((M_Appearance *) ((M_Shape *)n1)->appearance)->material = (GF_Node *)priv->mat_box;
	gf_node_register((GF_Node *)priv->mat_box, ((M_Shape *)n1)->appearance);
	priv->rec_box = (M_Rectangle *) ttd_create_node(priv, TAG_MPEG4_Rectangle, NULL);
	priv->rec_box->size.x = 0;
	priv->rec_box->size.y = 0;
	((M_Shape *)n1)->geometry = (GF_Node *) priv->rec_box;
	gf_node_register((GF_Node *) priv->rec_box, n1);

	priv->dlist = (M_Layer2D *) ttd_create_node(priv, TAG_MPEG4_Layer2D, NULL);
	priv->dlist->size.x = priv->cfg->text_width;
	priv->dlist->size.y = priv->cfg->text_height;
	add_child((GF_Node *)priv->dlist, (GF_Node *)priv->tr_box);

	priv->blink_nodes = gf_list_new();
	priv->ts_blink = (M_TimeSensor *) ttd_create_node(priv, TAG_MPEG4_TimeSensor, "TimerBlink");
	priv->ts_blink->cycleInterval = 0.25;
	priv->ts_blink->startTime = 0.0;
	priv->ts_blink->loop = 1;
	priv->process_blink = (M_ScalarInterpolator *) ttd_create_node(priv, TAG_MPEG4_ScalarInterpolator, NULL);
	/*override set_fraction*/
	priv->process_blink->on_set_fraction = ttd_set_blink_fraction;
	gf_node_set_private((GF_Node *) priv->process_blink, priv);
	/*route from fraction_changed to set_fraction*/
	gf_sg_route_new(priv->sg, (GF_Node *) priv->ts_blink, 6, (GF_Node *) priv->process_blink, 0);

	priv->ts_scroll = (M_TimeSensor *) ttd_create_node(priv, TAG_MPEG4_TimeSensor, "TimerScroll");
	priv->ts_scroll->cycleInterval = 0;
	priv->ts_scroll->startTime = -1;
	priv->ts_scroll->loop = 0;
	priv->process_scroll = (M_ScalarInterpolator *) ttd_create_node(priv, TAG_MPEG4_ScalarInterpolator, NULL);
	/*override set_fraction*/
	priv->process_scroll->on_set_fraction = ttd_set_scroll_fraction;
	gf_node_set_private((GF_Node *) priv->process_scroll, priv);
	/*route from fraction_changed to set_fraction*/
	gf_sg_route_new(priv->sg, (GF_Node *) priv->ts_scroll, 6, (GF_Node *) priv->process_scroll, 0);

	gf_node_register((GF_Node *) priv->ts_blink, NULL);
	gf_node_register((GF_Node *) priv->process_blink, NULL);
	gf_node_register((GF_Node *) priv->ts_scroll, NULL);
	gf_node_register((GF_Node *) priv->process_scroll, NULL);

	/*option setup*/
	opt = gf_modules_get_option((GF_BaseInterface *)plug, "StreamingText", "UseTexturing");
	priv->use_texture = (opt && !strcmp(opt, "yes")) ? 1 : 0;
	opt = gf_modules_get_option((GF_BaseInterface *)plug, "StreamingText", "OutlineText");
	priv->outline = (opt && !strcmp(opt, "yes")) ? 1 : 0;
	return e;
}