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feat(libs): add SVG rendering support (#6845)

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Signed-off-by: zhangjipeng <zhangjipeng@xiaomi.com>
Co-authored-by: zhangjipeng <zhangjipeng@xiaomi.com>
This commit is contained in:
Zhang Ji Peng
2024-10-15 21:33:27 +08:00
committed by GitHub
parent 58243733d8
commit bbe5f032e6
106 changed files with 8212 additions and 1 deletions
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1
examples/libs/lv_example_libs.h
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@@ -25,6 +25,7 @@ extern "C" {
#include "tjpgd/lv_example_tjpgd.h"
#include "libjpeg_turbo/lv_example_libjpeg_turbo.h"
#include "tiny_ttf/lv_example_tiny_ttf.h"
#include "svg/lv_example_svg.h"
/*********************
* DEFINES

6
examples/libs/svg/index.rst Normal file
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@@ -0,0 +1,6 @@
Load and render SVG data
---------------------------------------
.. lv_example:: libs/svg/lv_example_svg_1
:language: c

38
examples/libs/svg/lv_example_svg.h Normal file
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@@ -0,0 +1,38 @@
/**
* @file lv_example_svg.h
*
*/
#ifndef LV_EXAMPLE_SVG_H
#define LV_EXAMPLE_SVG_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* GLOBAL PROTOTYPES
**********************/
void lv_example_svg_1(void);
/**********************
* MACROS
**********************/
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*LV_EXAMPLE_SVG_H*/

36
examples/libs/svg/lv_example_svg_1.c Normal file
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@@ -0,0 +1,36 @@
#include "../../lv_examples.h"
#if LV_BUILD_EXAMPLES
#if LV_USE_SVG && LV_USE_VECTOR_GRAPHIC
/**
* Load an SVG data
*/
static void event_cb(lv_event_t * e)
{
static char svg_data[] = "<svg width=\"12cm\" height=\"4cm\" viewBox=\"0 0 1200 400\">"
"<circle cx=\"600\" cy=\"200\" r=\"100\" fill=\"red\" stroke=\"blue\" stroke-width=\"10\"/></svg>";
lv_layer_t * layer = lv_event_get_layer(e);
lv_svg_node_t * svg = lv_svg_load_data(svg_data, sizeof(svg_data) / sizeof(char));
lv_draw_svg(layer, svg);
lv_svg_node_delete(svg);
}
void lv_example_svg_1(void)
{
lv_obj_add_event_cb(lv_screen_active(), event_cb, LV_EVENT_DRAW_MAIN, NULL);
}
#else
void lv_example_svg_1(void)
{
/*TODO
*fallback for online examples*/
lv_obj_t * label = lv_label_create(lv_screen_active());
lv_label_set_text(label, "SVG is not enabled");
lv_obj_center(label);
}
#endif
#endif