lv_svg.h

API reference for lv_svg.h

Summary

Functions

Loading SVG data and creating the DOM tree.

lv_svg_node_t * lv_svg_load_data(const char *svg_data, uint32_t data_len)

Name	Type	Description
`svg_data`	`const char *`	pointer to the SVG data
`data_len`	`uint32_t`	the SVG data length

Create an SVG DOM node.

lv_svg_node_t * lv_svg_node_create(lv_svg_node_t *parent)

Name	Type	Description
`parent`	`lv_svg_node_t *`	pointer to the parent node May be `NULL`.. When null, this function creates the document root

Returns: lv_svg_node_t * — true: an new SVG DOM node, false: NULL

Draw an SVG document to a layer.

void lv_draw_svg(lv_layer_t *layer, const lv_svg_node_t *svg_doc)

Name	Type	Description
`layer`	`lv_layer_t *`	pointer to the target layer
`svg_doc`	`const lv_svg_node_t *`	pointer to the SVG document to draw

Delete an SVG DOM subtree.

void lv_svg_node_delete(lv_svg_node_t *node)

Name	Type	Description
`node`	`lv_svg_node_t *`	pointer to an SVG DOM subtree May be `NULL`.

#define LV_SVG_NODE_CHILD(n, i) \
    ((lv_svg_node_t *)(LV_TREE_NODE((n))->children[i]))

#define LV_SVG_NODE(n) \
    ((lv_svg_node_t*)(n))