# lv_svg.h (/api/public/image/lv_svg_h)
Functions [#functions]
lv_svg_load_data [#lv_svg_load_data]
Loading SVG data and creating the DOM tree.
```c title=" " lineNumbers=1
lv_svg_node_t * lv_svg_load_data(const char *svg_data, uint32_t data_len)
```
Parameters
| Name | Type | Description |
| ---------- | -------------- | ----------------------- |
| `svg_data` | `const char *` | pointer to the SVG data |
| `data_len` | `uint32_t` | the SVG data length |
lv_svg_node_create [#lv_svg_node_create]
Create an SVG DOM node.
```c title=" " lineNumbers=1
lv_svg_node_t * lv_svg_node_create(lv_svg_node_t *parent)
```
Parameters
| Name | Type | Description |
| -------- | ---------------------------------------------------------- | ------------------------------------------------------------------------------------------------- |
| `parent` | | pointer to the parent node **May** be `NULL`.. When null, this function creates the document root |
**Returns:** — true: an new SVG DOM node, false: NULL
lv_draw_svg [#lv_draw_svg]
Draw an SVG document to a layer.
```c title=" " lineNumbers=1
void lv_draw_svg(lv_layer_t *layer, const lv_svg_node_t *svg_doc)
```
Parameters
| Name | Type | Description |
| --------- | ---------------------------------------------------------------- | ----------------------------------- |
| `layer` | | pointer to the target layer |
| `svg_doc` | | pointer to the SVG document to draw |
lv_svg_node_delete [#lv_svg_node_delete]
Delete an SVG DOM subtree.
```c title=" " lineNumbers=1
void lv_svg_node_delete(lv_svg_node_t *node)
```
Parameters
| Name | Type | Description |
| ------ | ---------------------------------------------------------- | ------------------------------------------------ |
| `node` | | pointer to an SVG DOM subtree **May** be `NULL`. |
Macros [#macros]
LV_SVG_NODE_CHILD [#lv_svg_node_child]
```c title=" " lineNumbers=1
#define LV_SVG_NODE_CHILD(n, i) \
((lv_svg_node_t *)(LV_TREE_NODE((n))->children[i]))
```
LV_SVG_NODE [#lv_svg_node]
```c title=" " lineNumbers=1
#define LV_SVG_NODE(n) \
((lv_svg_node_t*)(n))
```
Dependencies [#dependencies]