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This commit is contained in:
Gabor Kiss-Vamosi
2021-02-08 09:53:03 +01:00
parent 956a367dbc
commit 7bec13c2b9
173 changed files with 4906 additions and 696 deletions
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54
examples/widgets/meter/lv_example_meter_1.c Normal file
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#include "../../../lvgl.h"
#include <stdio.h>
#if LV_USE_METER
static lv_obj_t * meter;
static void set_value(lv_meter_indicator_t * indic, int32_t v)
{
lv_meter_set_indicator_value(meter, indic, v);
}
/**
* A simple meter
*/
void lv_example_meter_1(void)
{
meter = lv_meter_create(lv_scr_act(), NULL);
lv_obj_align(meter, NULL, LV_ALIGN_CENTER, 0, 0);
/*Add a scale first*/
lv_meter_scale_t * scale = lv_meter_add_scale(meter);
lv_meter_set_scale_ticks(meter, scale, 51, 2, 10, LV_COLOR_GRAY);
lv_meter_set_scale_major_ticks(meter, scale, 10, 4, 15, LV_COLOR_BLACK, 10);
lv_meter_indicator_t * indic;
/*Add a red arc to the end */
indic = lv_meter_add_arc(meter, scale, 3, LV_COLOR_RED, 1);
lv_meter_set_indicator_start_value(meter, indic, 80);
lv_meter_set_indicator_end_value(meter, indic, 100);
/*Make the tick lines red at the end of the scale*/
indic = lv_meter_add_scale_lines(meter, scale, LV_COLOR_RED, LV_COLOR_RED, false, 0);
lv_meter_set_indicator_start_value(meter, indic, 80);
lv_meter_set_indicator_end_value(meter, indic, 100);
/*Add a needle line indicator*/
indic = lv_meter_add_needle_line(meter, scale, 4, LV_COLOR_GRAY, -10);
/*Create an animation to set the value*/
lv_anim_t a;
lv_anim_init(&a);
lv_anim_set_exec_cb(&a, (lv_anim_exec_xcb_t) set_value);
lv_anim_set_var(&a, indic);
lv_anim_set_values(&a, 0, 100);
lv_anim_set_time(&a, 2000);
lv_anim_set_repeat_delay(&a, 100);
lv_anim_set_playback_time(&a, 500);
lv_anim_set_playback_delay(&a, 100);
lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
lv_anim_start(&a);
}
#endif

60
examples/widgets/meter/lv_example_meter_2.c Normal file
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#include "../../../lvgl.h"
#include <stdio.h>
#if LV_USE_METER
static lv_obj_t * meter;
static void set_value(lv_meter_indicator_t * indic, int32_t v)
{
lv_meter_set_indicator_end_value(meter, indic, v);
}
/**
* A meter with multiple arcs
*/
void lv_example_meter_2(void)
{
meter = lv_meter_create(lv_scr_act(), NULL);
lv_obj_align(meter, NULL, LV_ALIGN_CENTER, 0, 0);
/*Remove the circle from the middle*/
lv_obj_remove_style(meter, LV_PART_INDICATOR, LV_STATE_ANY, NULL);
/*Add a scale first*/
lv_meter_scale_t * scale = lv_meter_add_scale(meter);
lv_meter_set_scale_ticks(meter, scale, 11, 2, 10, LV_COLOR_GRAY);
lv_meter_set_scale_major_ticks(meter, scale, 1, 2, 30, lv_color_hex3(0xeee), 10);
lv_meter_set_scale_range(meter, scale, 0, 100, 270, 90);
/*Add a three arc indicator */
lv_meter_indicator_t * indic1 = lv_meter_add_arc(meter, scale, 10, LV_COLOR_RED, 0);
lv_meter_indicator_t * indic2 = lv_meter_add_arc(meter, scale, 10, LV_COLOR_GREEN, -10);
lv_meter_indicator_t * indic3 = lv_meter_add_arc(meter, scale, 10, LV_COLOR_BLUE, -20);
/*Create an animation to set the value*/
lv_anim_t a;
lv_anim_init(&a);
lv_anim_set_exec_cb(&a, (lv_anim_exec_xcb_t) set_value);
lv_anim_set_values(&a, 0, 100);
lv_anim_set_repeat_delay(&a, 100);
lv_anim_set_playback_delay(&a, 100);
lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
lv_anim_set_time(&a, 2000);
lv_anim_set_playback_time(&a, 500);
lv_anim_set_var(&a, indic1);
lv_anim_start(&a);
lv_anim_set_time(&a, 1000);
lv_anim_set_playback_time(&a, 1000);
lv_anim_set_var(&a, indic2);
lv_anim_start(&a);
lv_anim_set_time(&a, 1000);
lv_anim_set_playback_time(&a, 2000);
lv_anim_set_var(&a, indic3);
lv_anim_start(&a);
}
#endif

55
examples/widgets/meter/lv_example_meter_3.c Normal file
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#include "../../../lvgl.h"
#include <stdio.h>
#if LV_USE_METER
static lv_obj_t * meter;
static void set_value(lv_meter_indicator_t * indic, int32_t v)
{
lv_meter_set_indicator_end_value(meter, indic, v);
}
/**
* A clock from a meter
*/
void lv_example_meter_3(void)
{
meter = lv_meter_create(lv_scr_act(), NULL);
lv_obj_align(meter, NULL, LV_ALIGN_CENTER, 0, 0);
/*Create a scale for the minutes*/
/*61 ticks in a 360 degrees range (the last and the first line overlaps)*/
lv_meter_scale_t * scale_min = lv_meter_add_scale(meter);
lv_meter_set_scale_ticks(meter, scale_min, 61, 1, 10, LV_COLOR_GRAY);
lv_meter_set_scale_range(meter, scale_min, 0, 60, 360, 270);
/*Create an other scale for the hours. It's only visual and contains only major ticks*/
lv_meter_scale_t * scale_hour = lv_meter_add_scale(meter);
lv_meter_set_scale_ticks(meter, scale_hour, 12, 0, 0, LV_COLOR_GRAY); /*12 ticks*/
lv_meter_set_scale_major_ticks(meter, scale_hour, 1, 2, 20, LV_COLOR_BLACK, 10); /*Every tick is major*/
lv_meter_set_scale_range(meter, scale_hour, 1, 12, 330, 300); /*[1..12] values in an almost full circle*/
LV_IMG_DECLARE(img_hand)
/*Add a the hands from images */
lv_meter_indicator_t * indic_min = lv_meter_add_needle_img(meter, scale_min, &img_hand, 5, 5);
lv_meter_indicator_t * indic_hour = lv_meter_add_needle_img(meter, scale_min, &img_hand, 5, 5);
/*Create an animation to set the value*/
lv_anim_t a;
lv_anim_init(&a);
lv_anim_set_exec_cb(&a, (lv_anim_exec_xcb_t) set_value);
lv_anim_set_values(&a, 0, 60);
lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
lv_anim_set_time(&a, 2000); /*2 sec for 1 turn of the minute hand (1 hour)*/
lv_anim_set_var(&a, indic_min);
lv_anim_start(&a);
lv_anim_set_var(&a, indic_hour);
lv_anim_set_time(&a, 24000); /*24 sec for 1 turn of the hour hand*/
lv_anim_set_values(&a, 0, 60);
lv_anim_start(&a);
}
#endif

37
examples/widgets/meter/lv_example_meter_4.c Normal file
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#include "../../../lvgl.h"
#include <stdio.h>
#if LV_USE_METER
/**
* Create a pie chart
*/
void lv_example_meter_4(void)
{
lv_obj_t * meter = lv_meter_create(lv_scr_act(), NULL);
lv_obj_align(meter, NULL, LV_ALIGN_CENTER, 0, 0);
/*Remove the background and the circle from the middle*/
lv_obj_remove_style(meter, LV_PART_MAIN, LV_STATE_ANY, NULL);
lv_obj_remove_style(meter, LV_PART_INDICATOR, LV_STATE_ANY, NULL);
/*Add a scale first with no ticks.*/
lv_meter_scale_t * scale = lv_meter_add_scale(meter);
lv_meter_set_scale_ticks(meter, scale, 0, 0, 0, LV_COLOR_BLACK);
lv_meter_set_scale_range(meter, scale, 0, 100, 360, 0);
/*Add a three arc indicator */
lv_coord_t indic_w = lv_obj_get_width(meter) / 2;
lv_meter_indicator_t * indic1 = lv_meter_add_arc(meter, scale, indic_w, LV_COLOR_ORANGE, 0);
lv_meter_set_indicator_start_value(meter, indic1, 0);
lv_meter_set_indicator_end_value(meter, indic1, 40);
lv_meter_indicator_t * indic2 = lv_meter_add_arc(meter, scale, indic_w, LV_COLOR_GREEN, 0);
lv_meter_set_indicator_start_value(meter, indic2, 40); /*Start from the previous*/
lv_meter_set_indicator_end_value(meter, indic2, 80);
lv_meter_indicator_t * indic3 = lv_meter_add_arc(meter, scale, indic_w, LV_COLOR_BLUE, 0);
lv_meter_set_indicator_start_value(meter, indic3, 80); /*Start from the previous*/
lv_meter_set_indicator_end_value(meter, indic3, 100);
}
#endif