Change Test High or change Font of an Label

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1

Hello,
What i want to do is very simple (not for me i guess).
There is a Label and the Font on the Display is to Smal. Now i want to make it Bigger to be more readable. So far so fine.

I am Working with the 7.11 version on a Teensy 4.1, Arduino 1.8.19 /Tensiduino 1.56
My Code Buttons and Charts all working good.
he only problem i know is change/Copy a Style.
Why is it so complex to change a Test high ?

But i found some articles like this.https://github.com/lvgl/lvgl/issues/354

Now i am stuck !
I found some difrend Styles in lv_style.h but i am not shure wy they are not fund.

My try to copy a styl to mystile faild and i cant find wy.
My Code is very long so i post my error first here, because someone can help with that.

I get his error.

TFTMenu.h:3635: error: ‘lv_style_transp’ was not declared in this scope
lv_style_copy(&win_style, &lv_style_transp);

static lv_style_t win_style;   //definded in the Global

void (SetupTFT)
{
//init    snipset
  disp_drv.buffer = &disp_buf;
  lv_disp_drv_register(&disp_drv);

  /*Initialize the input device driver*/
  lv_indev_drv_t indev_drv;
  lv_indev_drv_init(&indev_drv);             /*Descriptor of a input device driver*/
  indev_drv.type = LV_INDEV_TYPE_POINTER;    /*Touch pad is a pointer-like device*/
  indev_drv.read_cb = my_touchpad_read;      /*Set your driver function*/
  lv_indev_drv_register(&indev_drv);         /*Finally register the driver*/

  //Set the theme..
  lv_theme_t * th = lv_theme_material_init(LV_THEME_DEFAULT_COLOR_PRIMARY, LV_THEME_DEFAULT_COLOR_SECONDARY, LV_THEME_DEFAULT_FLAG, LV_THEME_DEFAULT_FONT_SMALL , LV_THEME_DEFAULT_FONT_NORMAL, LV_THEME_DEFAULT_FONT_SUBTITLE, LV_THEME_DEFAULT_FONT_TITLE);     
  lv_theme_set_act(th);




 lv_style_copy(&win_style, &lv_style_transp);
//style.text.color = LV_COLOR_BLUE;
//style.text.font = &lv_font_dejavu_40; //Unicode and symbol fonts already assigned by the library/

// Anzeige FC
label_TimeAnzeige  = lv_label_create(scr_FClock, NULL);
    lv_label_set_text (label_Timeanzteige, "00:00");
    lv_obj_align(label_Timeanzteige, scr_FClock,LV_ALIGN_IN_TOP_MID, 100 ,100);
}

I think i miss some include ?
Tanks for try to help me
Greedings Jake

PS: I tryed 8.xx but it seems to be so diffrend that i stay at 7.11 this time untill my TFT Part is working well.

2

If you need to change only one property of text you can use local style. In this case you need to change text font

lv_obj_set_style_local_text_font(label_Timeanzteige, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, lv_theme_get_font_small());

Also replace lv_theme_get_font_small() with lv_theme_get_font_normal/lv_theme_get_font_subtitle/lv_theme_get_font_title in dependence of font you want use.

3

Hello,
Thanks that worked for me.
greedings Jake