init Files

libraries/lvgl/examples/styles/lv_example_style_10.c

@@ -0,0 +1,40 @@
+#include "../lv_examples.h"
+#if LV_BUILD_EXAMPLES && LV_USE_IMAGE
+
+/**
+ * Creating a transition
+ */
+void lv_example_style_10(void)
+{
+    static const lv_style_prop_t props[] = {LV_STYLE_BG_COLOR, LV_STYLE_BORDER_COLOR, LV_STYLE_BORDER_WIDTH, 0};
+
+    /* A default transition
+     * Make it fast (100ms) and start with some delay (200 ms)*/
+    static lv_style_transition_dsc_t trans_def;
+    lv_style_transition_dsc_init(&trans_def, props, lv_anim_path_linear, 100, 200, NULL);
+
+    /* A special transition when going to pressed state
+     * Make it slow (500 ms) but start  without delay*/
+    static lv_style_transition_dsc_t trans_pr;
+    lv_style_transition_dsc_init(&trans_pr, props, lv_anim_path_linear, 500, 0, NULL);
+
+    static lv_style_t style_def;
+    lv_style_init(&style_def);
+    lv_style_set_transition(&style_def, &trans_def);
+
+    static lv_style_t style_pr;
+    lv_style_init(&style_pr);
+    lv_style_set_bg_color(&style_pr, lv_palette_main(LV_PALETTE_RED));
+    lv_style_set_border_width(&style_pr, 6);
+    lv_style_set_border_color(&style_pr, lv_palette_darken(LV_PALETTE_RED, 3));
+    lv_style_set_transition(&style_pr, &trans_pr);
+
+    /*Create an object with the new style_pr*/
+    lv_obj_t * obj = lv_obj_create(lv_screen_active());
+    lv_obj_add_style(obj, &style_def, 0);
+    lv_obj_add_style(obj, &style_pr, LV_STATE_PRESSED);
+
+    lv_obj_center(obj);
+}
+
+#endif