lv_svg_render.h

Defines

LV_SVG_RENDER_OBJ(n)

Typedefs

typedef struct _lv_svg_render_obj lv_svg_render_obj_t

typedef struct _lv_svg_render_hal lv_svg_render_hal_t

Functions

void lv_svg_render_init(const lv_svg_render_hal_t *hal)

Initialize the SVG render.

参数:

hal -- pointer to a structure with rendering functions

lv_svg_render_obj_t *lv_svg_render_create(const lv_svg_node_t *svg_doc)

Create a new SVG render from an SVG document.

参数:

svg_doc -- pointer to the SVG document

返回:

pointer to the new SVG render object

void lv_svg_render_delete(lv_svg_render_obj_t *render)

Delete an SVG render object.

参数:

render -- pointer to the SVG render object to delete

void lv_draw_svg_render(lv_vector_dsc_t *dsc, const lv_svg_render_obj_t *render)

Render an SVG object to a vector graphics.

参数:

• dsc -- pointer to the vector graphics descriptor

• render -- pointer to the SVG render object to render

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

Draw an SVG document to a layer.

参数:

• layer -- pointer to the target layer

• svg_doc -- pointer to the SVG document to draw

struct _lv_svg_render_obj

Public Members

struct _lv_svg_render_obj *next

uint32_t flags

char *id

lv_vector_draw_dsc_t dsc

lv_matrix_t matrix

struct _lv_svg_render_obj *head

char *fill_ref

char *stroke_ref

void (*set_paint_ref)(struct _lv_svg_render_obj *obj, lv_vector_draw_dsc_t *dsc, const struct _lv_svg_render_obj *target_obj, bool fill)

void (*init)(struct _lv_svg_render_obj *obj, const lv_svg_node_t *node)

void (*render)(const struct _lv_svg_render_obj *obj, lv_vector_dsc_t *dsc, const lv_matrix_t *matrix)

void (*set_attr)(struct _lv_svg_render_obj *obj, lv_vector_draw_dsc_t *dsc, const lv_svg_attr_t *attr)

void (*get_bounds)(const struct _lv_svg_render_obj *obj, lv_area_t *area)

void (*destroy)(struct _lv_svg_render_obj *obj)

struct _lv_svg_render_hal

Public Members

void (*load_image)(const char *image_url, lv_draw_image_dsc_t *img_dsc)

const char *(*get_font_path)(const char *font_family)