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init lvgl code

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ShallowGreen123
2022-08-07 15:24:16 +08:00
parent d5ebbd8eb9
commit 77ddc13604
1963 changed files with 719922 additions and 318 deletions
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31
LVGL.Simulator/lvgl/examples/widgets/label/index.rst Normal file
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Line wrap, recoloring and scrolling
"""""""""""""""""""""""""""""""""""
.. lv_example:: widgets/label/lv_example_label_1
:language: c
Text shadow
""""""""""""
.. lv_example:: widgets/label/lv_example_label_2
:language: c
Show LTR, RTL and Chinese texts
""""""""""""""""""""""""""""""""""""
.. lv_example:: widgets/label/lv_example_label_3
:language: c
Draw label with gradient color
""""""""""""""""""""""""""""""""""""
.. lv_example:: widgets/label/lv_example_label_4
:language: c
Customize circular scrolling animation
""""""""""""""""""""""""""""""""""""
.. lv_example:: widgets/label/lv_example_label_5
:language: c

25
LVGL.Simulator/lvgl/examples/widgets/label/lv_example_label_1.c Normal file
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#include "../../lv_examples.h"
#if LV_USE_LABEL && LV_BUILD_EXAMPLES
/**
* Show line wrap, re-color, line align and text scrolling.
*/
void lv_example_label_1(void)
{
lv_obj_t * label1 = lv_label_create(lv_scr_act());
lv_label_set_long_mode(label1, LV_LABEL_LONG_WRAP); /*Break the long lines*/
lv_label_set_recolor(label1, true); /*Enable re-coloring by commands in the text*/
lv_label_set_text(label1, "#0000ff Re-color# #ff00ff words# #ff0000 of a# label, align the lines to the center "
"and wrap long text automatically.");
lv_obj_set_width(label1, 150); /*Set smaller width to make the lines wrap*/
lv_obj_set_style_text_align(label1, LV_TEXT_ALIGN_CENTER, 0);
lv_obj_align(label1, LV_ALIGN_CENTER, 0, -40);
lv_obj_t * label2 = lv_label_create(lv_scr_act());
lv_label_set_long_mode(label2, LV_LABEL_LONG_SCROLL_CIRCULAR); /*Circular scroll*/
lv_obj_set_width(label2, 150);
lv_label_set_text(label2, "It is a circularly scrolling text. ");
lv_obj_align(label2, LV_ALIGN_CENTER, 0, 40);
}
#endif

19
LVGL.Simulator/lvgl/examples/widgets/label/lv_example_label_1.py Normal file
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#
# Show line wrap, re-color, line align and text scrolling.
#
label1 = lv.label(lv.scr_act())
label1.set_long_mode(lv.label.LONG.WRAP) # Break the long lines*/
label1.set_recolor(True) # Enable re-coloring by commands in the text
label1.set_text("#0000ff Re-color# #ff00ff words# #ff0000 of a# label, align the lines to the center"
"and wrap long text automatically.")
label1.set_width(150) # Set smaller width to make the lines wrap
label1.set_style_text_align(lv.ALIGN.CENTER, 0)
label1.align(lv.ALIGN.CENTER, 0, -40)
label2 = lv.label(lv.scr_act())
label2.set_long_mode(lv.label.LONG.SCROLL_CIRCULAR) # Circular scroll
label2.set_width(150)
label2.set_text("It is a circularly scrolling text. ")
label2.align(lv.ALIGN.CENTER, 0, 40)

36
LVGL.Simulator/lvgl/examples/widgets/label/lv_example_label_2.c Normal file
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#include "../../lv_examples.h"
#if LV_USE_LABEL && LV_BUILD_EXAMPLES
/**
* Create a fake text shadow
*/
void lv_example_label_2(void)
{
/*Create a style for the shadow*/
static lv_style_t style_shadow;
lv_style_init(&style_shadow);
lv_style_set_text_opa(&style_shadow, LV_OPA_30);
lv_style_set_text_color(&style_shadow, lv_color_black());
/*Create a label for the shadow first (it's in the background)*/
lv_obj_t * shadow_label = lv_label_create(lv_scr_act());
lv_obj_add_style(shadow_label, &style_shadow, 0);
/*Create the main label*/
lv_obj_t * main_label = lv_label_create(lv_scr_act());
lv_label_set_text(main_label, "A simple method to create\n"
"shadows on a text.\n"
"It even works with\n\n"
"newlines and spaces.");
/*Set the same text for the shadow label*/
lv_label_set_text(shadow_label, lv_label_get_text(main_label));
/*Position the main label*/
lv_obj_align(main_label, LV_ALIGN_CENTER, 0, 0);
/*Shift the second label down and to the right by 2 pixel*/
lv_obj_align_to(shadow_label, main_label, LV_ALIGN_TOP_LEFT, 2, 2);
}
#endif

30
LVGL.Simulator/lvgl/examples/widgets/label/lv_example_label_2.py Normal file
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#
# Create a fake text shadow
#
# Create a style for the shadow
style_shadow = lv.style_t()
style_shadow.init()
style_shadow.set_text_opa(lv.OPA._30)
style_shadow.set_text_color(lv.color_black())
# Create a label for the shadow first (it's in the background)
shadow_label = lv.label(lv.scr_act())
shadow_label.add_style(style_shadow, 0)
# Create the main label
main_label = lv.label(lv.scr_act())
main_label.set_text("A simple method to create\n"
"shadows on a text.\n"
"It even works with\n\n"
"newlines and spaces.")
# Set the same text for the shadow label
shadow_label.set_text(lv.label.get_text(main_label))
# Position the main label
main_label.align(lv.ALIGN.CENTER, 0, 0)
# Shift the second label down and to the right by 2 pixel
shadow_label.align_to(main_label, lv.ALIGN.TOP_LEFT, 2, 2)

31
LVGL.Simulator/lvgl/examples/widgets/label/lv_example_label_3.c Normal file
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#include "../../lv_examples.h"
#if LV_USE_LABEL && LV_BUILD_EXAMPLES && LV_FONT_DEJAVU_16_PERSIAN_HEBREW && LV_FONT_SIMSUN_16_CJK && LV_USE_BIDI
/**
* Show mixed LTR, RTL and Chinese label
*/
void lv_example_label_3(void)
{
lv_obj_t * ltr_label = lv_label_create(lv_scr_act());
lv_label_set_text(ltr_label, "In modern terminology, a microcontroller is similar to a system on a chip (SoC).");
lv_obj_set_style_text_font(ltr_label, &lv_font_montserrat_16, 0);
lv_obj_set_width(ltr_label, 310);
lv_obj_align(ltr_label, LV_ALIGN_TOP_LEFT, 5, 5);
lv_obj_t * rtl_label = lv_label_create(lv_scr_act());
lv_label_set_text(rtl_label,
"מעבד, או בשמו המלא יחידת עיבוד מרכזית (באנגלית: CPU - Central Processing Unit).");
lv_obj_set_style_base_dir(rtl_label, LV_BASE_DIR_RTL, 0);
lv_obj_set_style_text_font(rtl_label, &lv_font_dejavu_16_persian_hebrew, 0);
lv_obj_set_width(rtl_label, 310);
lv_obj_align(rtl_label, LV_ALIGN_LEFT_MID, 5, 0);
lv_obj_t * cz_label = lv_label_create(lv_scr_act());
lv_label_set_text(cz_label,
"嵌入式系统（Embedded System），\n是一种嵌入机械或电气系统内部、具有专一功能和实时计算性能的计算机系统。");
lv_obj_set_style_text_font(cz_label, &lv_font_simsun_16_cjk, 0);
lv_obj_set_width(cz_label, 310);
lv_obj_align(cz_label, LV_ALIGN_BOTTOM_LEFT, 5, -5);
}
#endif

36
LVGL.Simulator/lvgl/examples/widgets/label/lv_example_label_3.py Normal file
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import fs_driver
#
# Show mixed LTR, RTL and Chinese label
#
ltr_label = lv.label(lv.scr_act())
ltr_label.set_text("In modern terminology, a microcontroller is similar to a system on a chip (SoC).")
# ltr_label.set_style_text_font(ltr_label, &lv_font_montserrat_16, 0);
fs_drv = lv.fs_drv_t()
fs_driver.fs_register(fs_drv, 'S')
try:
ltr_label.set_style_text_font(ltr_label, lv.font_montserrat_16, 0)
except:
font_montserrat_16 = lv.font_load("S:../../assets/font/montserrat-16.fnt")
ltr_label.set_style_text_font(font_montserrat_16, 0)
ltr_label.set_width(310)
ltr_label.align(lv.ALIGN.TOP_LEFT, 5, 5)
rtl_label = lv.label(lv.scr_act())
rtl_label.set_text("מעבד, או בשמו המלא יחידת עיבוד מרכזית (באנגלית: CPU - Central Processing Unit).")
rtl_label.set_style_base_dir(lv.BASE_DIR.RTL, 0)
rtl_label.set_style_text_font(lv.font_dejavu_16_persian_hebrew, 0)
rtl_label.set_width(310)
rtl_label.align(lv.ALIGN.LEFT_MID, 5, 0)
font_simsun_16_cjk = lv.font_load("S:../../assets/font/lv_font_simsun_16_cjk.fnt")
cz_label = lv.label(lv.scr_act())
cz_label.set_style_text_font(font_simsun_16_cjk, 0)
cz_label.set_text("嵌入式系统（Embedded System），\n是一种嵌入机械或电气系统内部、具有专一功能和实时计算性能的计算机系统。")
cz_label.set_width(310)
cz_label.align(lv.ALIGN.BOTTOM_LEFT, 5, -5)

63
LVGL.Simulator/lvgl/examples/widgets/label/lv_example_label_4.c Normal file
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#include "../../lv_examples.h"
#if LV_USE_LABEL && LV_USE_CANVAS && LV_BUILD_EXAMPLES && LV_DRAW_COMPLEX
#define MASK_WIDTH 100
#define MASK_HEIGHT 45
static void add_mask_event_cb(lv_event_t * e)
{
static lv_draw_mask_map_param_t m;
static int16_t mask_id;
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * obj = lv_event_get_target(e);
lv_opa_t * mask_map = lv_event_get_user_data(e);
if(code == LV_EVENT_COVER_CHECK) {
lv_event_set_cover_res(e, LV_COVER_RES_MASKED);
}
else if(code == LV_EVENT_DRAW_MAIN_BEGIN) {
lv_draw_mask_map_init(&m, &obj->coords, mask_map);
mask_id = lv_draw_mask_add(&m, NULL);
}
else if(code == LV_EVENT_DRAW_MAIN_END) {
lv_draw_mask_free_param(&m);
lv_draw_mask_remove_id(mask_id);
}
}
/**
* Draw label with gradient color
*/
void lv_example_label_4(void)
{
/* Create the mask of a text by drawing it to a canvas*/
static lv_opa_t mask_map[MASK_WIDTH * MASK_HEIGHT];
/*Create a "8 bit alpha" canvas and clear it*/
lv_obj_t * canvas = lv_canvas_create(lv_scr_act());
lv_canvas_set_buffer(canvas, mask_map, MASK_WIDTH, MASK_HEIGHT, LV_IMG_CF_ALPHA_8BIT);
lv_canvas_fill_bg(canvas, lv_color_black(), LV_OPA_TRANSP);
/*Draw a label to the canvas. The result "image" will be used as mask*/
lv_draw_label_dsc_t label_dsc;
lv_draw_label_dsc_init(&label_dsc);
label_dsc.color = lv_color_white();
label_dsc.align = LV_TEXT_ALIGN_CENTER;
lv_canvas_draw_text(canvas, 5, 5, MASK_WIDTH, &label_dsc, "Text with gradient");
/*The mask is reads the canvas is not required anymore*/
lv_obj_del(canvas);
/* Create an object from where the text will be masked out.
* Now it's a rectangle with a gradient but it could be an image too*/
lv_obj_t * grad = lv_obj_create(lv_scr_act());
lv_obj_set_size(grad, MASK_WIDTH, MASK_HEIGHT);
lv_obj_center(grad);
lv_obj_set_style_bg_color(grad, lv_color_hex(0xff0000), 0);
lv_obj_set_style_bg_grad_color(grad, lv_color_hex(0x0000ff), 0);
lv_obj_set_style_bg_grad_dir(grad, LV_GRAD_DIR_HOR, 0);
lv_obj_add_event_cb(grad, add_mask_event_cb, LV_EVENT_ALL, mask_map);
}
#endif

30
LVGL.Simulator/lvgl/examples/widgets/label/lv_example_label_5.c Normal file
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#include "../../lv_examples.h"
#if LV_USE_LABEL && LV_BUILD_EXAMPLES
/**
* Show customizing the circular scrolling animation of a label with `LV_LABEL_LONG_SCROLL_CIRCULAR`
* long mode.
*/
void lv_example_label_5(void)
{
static lv_anim_t animation_template;
static lv_style_t label_style;
lv_anim_init(&animation_template);
lv_anim_set_delay(&animation_template, 1000); /*Wait 1 second to start the first scroll*/
lv_anim_set_repeat_delay(&animation_template,
3000); /*Repeat the scroll 3 seconds after the label scrolls back to the initial position*/
/*Initialize the label style with the animation template*/
lv_style_init(&label_style);
lv_style_set_anim(&label_style, &animation_template);
lv_obj_t * label1 = lv_label_create(lv_scr_act());
lv_label_set_long_mode(label1, LV_LABEL_LONG_SCROLL_CIRCULAR); /*Circular scroll*/
lv_obj_set_width(label1, 150);
lv_label_set_text(label1, "It is a circularly scrolling text. ");
lv_obj_align(label1, LV_ALIGN_CENTER, 0, 40);
lv_obj_add_style(label1, &label_style, LV_STATE_DEFAULT); /*Add the style to the label*/
}
#endif

10
LVGL.Simulator/lvgl/examples/widgets/label/lv_example_label_5.py Normal file
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#
# Show customizing the circular scrolling animation of a label with `LV_LABEL_LONG_SCROLL_CIRCULAR` long mode.
#
label1 = lv.label(lv.scr_act())
label1.set_long_mode(lv.label.LONG.SCROLL_CIRCULAR) # Circular scroll
label1.set_width(150)
label1.set_text("It is a circularly scrolling text. ")
label1.align(lv.ALIGN.CENTER, 0, 40)