mirror of
https://github.com/lvgl/lvgl.git
synced 2025-01-28 07:03:00 +08:00
48 lines
1.8 KiB
C
48 lines
1.8 KiB
C
#include "../../lv_examples.h"
|
|
#if LV_USE_SCALE && LV_BUILD_EXAMPLES
|
|
|
|
|
|
/**
|
|
* A simple round scale with label/tick translation
|
|
*/
|
|
void lv_example_scale_8(void)
|
|
{
|
|
lv_obj_t * scale_line = lv_scale_create(lv_screen_active());
|
|
lv_obj_set_size(scale_line, 150, 150);
|
|
lv_scale_set_mode(scale_line, LV_SCALE_MODE_ROUND_INNER);
|
|
lv_obj_set_style_bg_opa(scale_line, LV_OPA_COVER, 0);
|
|
lv_obj_set_style_bg_color(scale_line, lv_palette_lighten(LV_PALETTE_RED, 5), 0);
|
|
lv_obj_set_style_radius(scale_line, LV_RADIUS_CIRCLE, 0);
|
|
lv_obj_align(scale_line, LV_ALIGN_LEFT_MID, LV_PCT(2), 0);
|
|
|
|
/*Set the texts' and major ticks' style (make the texts rotated)*/
|
|
lv_obj_set_style_transform_rotation(scale_line, LV_SCALE_LABEL_ROTATE_MATCH_TICKS | LV_SCALE_LABEL_ROTATE_KEEP_UPRIGHT,
|
|
LV_PART_INDICATOR);
|
|
lv_obj_set_style_translate_x(scale_line, 10, LV_PART_INDICATOR);
|
|
lv_obj_set_style_length(scale_line, 15, LV_PART_INDICATOR);
|
|
lv_obj_set_style_radial_offset(scale_line, 10, LV_PART_INDICATOR);
|
|
|
|
/*Set the style of the minor ticks*/
|
|
lv_obj_set_style_length(scale_line, 10, LV_PART_ITEMS);
|
|
lv_obj_set_style_radial_offset(scale_line, 5, LV_PART_ITEMS);
|
|
lv_obj_set_style_line_opa(scale_line, LV_OPA_50, LV_PART_ITEMS);
|
|
|
|
lv_scale_set_label_show(scale_line, true);
|
|
|
|
lv_scale_set_total_tick_count(scale_line, 31);
|
|
lv_scale_set_major_tick_every(scale_line, 5);
|
|
|
|
lv_scale_set_range(scale_line, 10, 40);
|
|
|
|
lv_scale_set_angle_range(scale_line, 270);
|
|
lv_scale_set_rotation(scale_line, 135);
|
|
|
|
lv_obj_t * needle_line = lv_line_create(scale_line);
|
|
|
|
lv_obj_set_style_line_width(needle_line, 3, LV_PART_MAIN);
|
|
lv_obj_set_style_line_rounded(needle_line, true, LV_PART_MAIN);
|
|
lv_scale_set_line_needle_value(scale_line, needle_line, 60, 33);
|
|
}
|
|
|
|
#endif
|