lv_example: add screenshots

lv_examples/1_1_hello_world/lv_ex_hello_world.c

@@ -1,5 +1,5 @@
 /**
- * @file lv_hello_world.c
+ * @file lv_ex_hello_world.c
  *
  */
 
@@ -14,7 +14,7 @@
 /*********************
  *      INCLUDES
  *********************/
-#include "lv_hello_world.h"
+#include "lv_ex_hello_world.h"
 #if USE_LV_EXAMPLE != 0
 
 #include "lvgl/lvgl.h"
@@ -46,7 +46,7 @@
 /**
  * Create a simple 'Hello world!' label
  */
-void lv_hello_world_init(void)
+void lv_ex_hello_world(void)
 {
     /*Create a Label on the current screen*/
     lv_obj_t * label1 =  lv_label_create(lv_scr_act(), NULL);

lv_examples/1_1_hello_world/lv_ex_hello_world.h

@@ -1,10 +1,10 @@
 /**
- * @file lv_hello_world.h
+ * @file lv_ex_hello_world.h
  *
  */
 
-#ifndef LV_HELLO_WORLD_H
-#define LV_HELLO_WORLD_H
+#ifndef LV_EX_HELLO_WORLD_H
+#define LV_EX_HELLO_WORLD_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -27,7 +27,7 @@ extern "C" {
 /**********************
  * GLOBAL PROTOTYPES
  **********************/
-void lv_hello_world_init(void);
+void lv_ex_hello_world(void);
 
 /**********************
  *      MACROS

lv_examples/1_2_objects/lv_ex_objects.h

@@ -1,10 +1,10 @@
 /**
- * @file lv_hello_world.h
+ * @file lv_ex_objects.h
  *
  */
 
-#ifndef LV_OBJ_USAGE_H
-#define LV_OBJ_USAGE_H
+#ifndef LV_EX_OBJECTS_H
+#define LV_EX_OBJECTS_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -27,7 +27,7 @@ extern "C" {
 /**********************
  * GLOBAL PROTOTYPES
  **********************/
-void lv_obj_usage_init(void);
+void lv_ex_objects(void);
 
 /**********************
  *      MACROS

lv_examples/1_3_styles/lv_ex_styles.c

@@ -1,5 +1,5 @@
 /**
- * @file style_usage.c
+ * @file lv_ex_styles.h
  *
  */
 
@@ -27,7 +27,7 @@
 /*********************
  *      INCLUDES
  *********************/
-#include "style_usage.h"
+#include "lv_ex_styles.h"
 
 #if USE_LV_EXAMPLE != 0
 
@@ -60,66 +60,65 @@
 /**
  * Create a simple 'Hello world!' label
  */
-void style_usage_init(void)
+void lv_ex_styles(void)
 {
 
-    /************************************
-     * BUTTON + LABEL WITH DEFAULT STYLE
-     ************************************/
+    /****************************************
+     * BASE OBJECT + LABEL WITH DEFAULT STYLE
+     ****************************************/
 
-    lv_obj_t * btn1;
-    btn1 = lv_btn_create(lv_scr_act(), NULL);           /*Create a simple button*/
-    lv_obj_set_pos(btn1, 10, 10);
-    lv_obj_t * label = lv_label_create(btn1, NULL);     /*Add a lebel tothe button*/
+    lv_obj_t * obj1;
+    obj1 = lv_obj_create(lv_scr_act(), NULL);           /*Create a simple objects*/
+    lv_obj_set_pos(obj1, 10, 10);
+    lv_obj_t * label = lv_label_create(obj1, NULL);
+
+    /*Add a label to the object*/
     lv_label_set_text(label, "Default");
+    lv_obj_align(label, NULL, LV_ALIGN_CENTER, 0, 0);
 
-    /************************
-     * BUTTON WITH NEW STYLE
-     ************************/
+    /****************************************
+     * BASE OBJECT WITH PRETTY COLOR STYLE
+     ****************************************/
 
-    /* Create a new style
-     * Don't forget a style can describe any object type
-     * like buttons and labels */
-    static lv_style_t style_btn2;                       /*Styles can't be local variables*/
-    lv_style_get(LV_STYLE_PRETTY_COLOR, &style_btn2);   /*Copy a built-in style as a starting point*/
-    style_btn2.swidth = 10;                             /*10 px shadow*/
-    style_btn2.bwidth = 5;                              /*5 px border width*/
-    style_btn2.mcolor = COLOR_ORANGE;                   /*Orange main color*/
-    style_btn2.gcolor = COLOR_RED;                      /*Red gradient color*/
-    style_btn2.letter_space = 10;                       /*10 px letter space*/
-    style_btn2.txt_align = LV_TXT_ALIGN_MID;            /*Text align: middle*/
+    lv_obj_t * obj2;
+    obj2 = lv_obj_create(lv_scr_act(), NULL);
+    lv_obj_align(obj2, obj1, LV_ALIGN_OUT_RIGHT_MID, 20, 0);            /*Align next to the previous object*/
+    lv_obj_set_style(obj2, lv_style_get(LV_STYLE_PRETTY_COLOR, NULL));  /*Set built in style*/
+    label = lv_label_create(obj2, NULL);
 
-    /*Create a button and apply the new style*/
-    lv_obj_t * btn2;
-    btn2 = lv_btn_create(lv_scr_act(), NULL);
-    lv_obj_align(btn2, btn1, LV_ALIGN_OUT_RIGHT_MID, 20, 0);
-    lv_obj_set_style(btn2, &style_btn2);
+    /* Add a label to the object.
+     * Labels by default inherit the parent's style */
+    lv_label_set_text(label, "Pretty\ncolor");
+    lv_obj_align(label, NULL, LV_ALIGN_CENTER, 0, 0);
 
-    /* Add a label to the button.
-     * Label by default inherits the parent's style */
-    label = lv_label_create(btn2, NULL);
+    /*****************************
+     * BASE OBJECT WITH NEW STYLE
+     *****************************/
+
+    /* Create a new style */
+    static lv_style_t style_new;                       /*Styles can't be local variables*/
+    lv_style_get(LV_STYLE_PRETTY_COLOR, &style_new);   /*Copy a built-in style as a starting point*/
+    style_new.radius = LV_RADIUS_CIRCLE;               /*Fully round corners*/
+    style_new.swidth = 8;                              /*8 px shadow*/
+    style_new.bwidth = 2;                              /*2 px border width*/
+    style_new.mcolor = COLOR_WHITE;                    /*White main color*/
+    style_new.gcolor = color_mix(COLOR_BLUE, COLOR_WHITE, OPA_40);     /*light blue gradient color*/
+    style_new.scolor = COLOR_MAKE(0xa0, 0xa0, 0xa0);    /*Light gray shadow color*/
+    style_new.ccolor = color_mix(COLOR_BLUE, COLOR_WHITE, OPA_90);  /*Blue content color (text color)*/
+    style_new.letter_space = 10;                       /*10 px letter space*/
+    style_new.txt_align = LV_TXT_ALIGN_MID;            /*Middel text align*/
+
+    /*Create a base object and apply the new style*/
+    lv_obj_t * obj3;
+    obj3 = lv_obj_create(lv_scr_act(), NULL);
+    lv_obj_align(obj3, obj2, LV_ALIGN_OUT_RIGHT_MID, 20, 0);
+    lv_obj_set_style(obj3, &style_new);
+
+    /* Add a label to the object.
+     * Labels by default inherit the parent's style */
+    label = lv_label_create(obj3, NULL);
     lv_label_set_text(label, "New\nstyle");
-
-    /************************
-     * LABEL WITH NEW STYLE
-     ************************/
-
-    /*Create new style for the label*/
-    static lv_style_t style_label;
-    lv_style_get(LV_STYLE_PRETTY_COLOR, &style_label);              /*Use a built-in style*/
-    style_label.ccolor = color_mix(COLOR_BLUE, COLOR_WHITE, OPA_70);/*Light blue content color (text color) */
-    style_label.letter_space = 4;                                   /*4 px letter space*/
-    style_label.txt_align = LV_TXT_ALIGN_MID;                       /*Text align: middle*/
-
-    /*Copy 'btn2'. It will use the same style as 'btn2'*/
-    lv_obj_t * btn3;
-    btn3 = lv_btn_create(lv_scr_act(), btn2);
-    lv_obj_align(btn3, btn2, LV_ALIGN_OUT_RIGHT_MID, 20, 0);
-
-    /*Create a label and apply the new style */
-    label = lv_label_create(btn3, NULL);
-    lv_label_set_text(label, "Label\nstyle");
-    lv_obj_set_style(label, &style_label);
+    lv_obj_align(label, NULL, LV_ALIGN_CENTER, 0, 0);
 
 
     /************************
@@ -131,7 +130,7 @@ void style_usage_init(void)
     lv_style_get(LV_STYLE_PRETTY_COLOR, &style_led);
     style_led.swidth = 15;
     style_led.radius = LV_RADIUS_CIRCLE;
-    style_led.bwidth = 5;
+    style_led.bwidth = 3;
     style_led.bopa = OPA_30;
     style_led.mcolor = COLOR_MAKE(0xb5, 0x0f, 0x04);
     style_led.gcolor = COLOR_MAKE(0x50, 0x07, 0x02);
@@ -141,17 +140,17 @@ void style_usage_init(void)
     /*Create a LED and switch it ON*/
     lv_obj_t * led1  = lv_led_create(lv_scr_act(), NULL);
     lv_obj_set_style(led1, &style_led);
-    lv_obj_align_us(led1, btn1, LV_ALIGN_OUT_BOTTOM_MID, 0, 40);
+    lv_obj_align_us(led1, obj1, LV_ALIGN_OUT_BOTTOM_MID, 0, 40);
     lv_led_on(led1);
 
     /*Copy the previous LED and set a brightness*/
     lv_obj_t * led2  = lv_led_create(lv_scr_act(), led1);
-    lv_obj_align_us(led2, btn2, LV_ALIGN_OUT_BOTTOM_MID, 0, 40);
+    lv_obj_align_us(led2, obj2, LV_ALIGN_OUT_BOTTOM_MID, 0, 40);
     lv_led_set_bright(led2, 190);
 
     /*Copy the previous LED and switch it OFF*/
     lv_obj_t * led3  = lv_led_create(lv_scr_act(), led1);
-    lv_obj_align_us(led3, btn3, LV_ALIGN_OUT_BOTTOM_MID, 0, 40);
+    lv_obj_align_us(led3, obj3, LV_ALIGN_OUT_BOTTOM_MID, 0, 40);
     lv_led_off(led3);
 }
 

lv_examples/1_5_animations/lv_ex_animations.c

@@ -1,28 +1 @@
-/*
- *
-    static lv_style_t s1;
-    lv_style_get(LV_STYLE_BTN_REL, &s1);
 
-    static lv_style_t s2;
-    lv_style_get(LV_STYLE_BTN_REL, &s2);
-    s2.radius = 30;
-    s2.mcolor = COLOR_RED;
-    s2.bwidth = 8;
-    s2.opa = 50;
-    s2.hpad = 80;
-    //s2.font = font_get(FONT_DEJAVU_60);
-
-
-    lv_style_anim_t a;
-    a.act_time = -1000;
-    a.time = 1000;
-    a.playback = 1;
-    a.playback_pause = 300;
-    a.repeat = 1;
-    a.repeat_pause = 300;
-    a.end_cb = NULL;
-    a.style_anim = lv_style_get(LV_STYLE_BTN_REL, NULL);
-    a.style_start = &s1;
-    a.style_end = &s2;
-    lv_style_anim_create(&a);
- */

lv_examples/2_2_encoder_ctrl/lv_ex_encoder_ctrl.h

@@ -1,10 +1,10 @@
 /**
- * @file encoder_ctrl.h
+ * @file lv_ex_encoder_ctrl.h
  *
  */
 
-#ifndef ENCODER_CTRL_H
-#define ENCODER_CTRL_H
+#ifndef LV_EX_ENCODER_CTRL_H
+#define LV_EX_ENCODER_CTRL_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -27,7 +27,7 @@ extern "C" {
 /**********************
  * GLOBAL PROTOTYPES
  **********************/
-void encoder_ctrl_init(void);
+void lv_ex_encoder_ctrl(void);
 
 /**********************
  *      MACROS