Ejemplo n.º 1
0
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");
}
Ejemplo n.º 2
0
static void svg2bifs_node_start(void *sax_cbck, const char *name, const char *name_space, const GF_XMLAttribute *attributes, u32 nb_attributes)
{
	u32 i;
	SVG_SANI_BIFS_Converter *converter = (SVG_SANI_BIFS_Converter *)sax_cbck;
	SVGPropertiesPointers *backup_props;
	char *id_string = NULL;

	u32	tag = gf_svg_get_element_tag(name);
	SVG_Element *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);
	}
	converter->svg_parent = (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));

	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 {
			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);
			}
		}
	}

	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);

	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);

			/* 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);
			if (converter->all_atts.viewBox) {
				M_Viewport *vp = (M_Viewport*)child;
				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 {
				M_Viewport *vp = (M_Viewport*)child;
				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(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(converter, node);
					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(converter, node);
					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;

						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);
						j= 0;
						for (i = 0; i < converter->all_atts.d->n_points; i++) {
							if (converter->all_atts.d->tags[i] != GF_PATH_CLOSE || i == converter->all_atts.d->n_points-1) {
								c2d->point.vals[j] = converter->all_atts.d->points[i];
								j++;
							}
						}
						c2d->point.count = j;

						gf_sg_vrml_mf_alloc(&xc->type, GF_SG_VRML_MFINT32, converter->all_atts.d->n_points);
						c = 0;
						j = 0;
						xc->type.vals[0] = 0;
						for (i = 1; i < converter->all_atts.d->n_points; i++) {
							switch(converter->all_atts.d->tags[i]) {
							case GF_PATH_CURVE_ON:
								if (c < converter->all_atts.d->n_contours &&
									i-1 == converter->all_atts.d->contours[c]) {
									xc->type.vals[j] = 0;
									c++;
								} else {
									xc->type.vals[j] = 1;
								}
								break;
							case GF_PATH_CURVE_CUBIC:
								xc->type.vals[j] = 2;
								i+=2;
								break;
							case GF_PATH_CLOSE:
								xc->type.vals[j] = 6;
								break;
							case GF_PATH_CURVE_CONIC:
								xc->type.vals[j] = 7;
								i++;
								break;
							}
							j++;
						}
						xc->type.count = j;
					}			
					
					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(converter, node);
					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(converter, node);
					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] = 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(converter, node);
					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;
		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_node_get_id((GF_Node *)elt), gf_node_get_name((GF_Node *)elt));
	}
}