initial commit

libraries/lvgl/examples/styles/lv_example_style_10.py

@@ -0,0 +1,35 @@
+#
+# Creating a transition
+#
+
+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)
+
+trans_def = lv.style_transition_dsc_t()
+trans_def.init(props, lv.anim_t.path_linear, 100, 200, None)
+
+# A special transition when going to pressed state
+# Make it slow (500 ms) but start  without delay
+
+trans_pr = lv.style_transition_dsc_t()
+trans_pr.init(props, lv.anim_t.path_linear, 500, 0, None)
+
+style_def = lv.style_t()
+style_def.init()
+style_def.set_transition(trans_def)
+
+style_pr = lv.style_t()
+style_pr.init()
+style_pr.set_bg_color(lv.palette_main(lv.PALETTE.RED))
+style_pr.set_border_width(6)
+style_pr.set_border_color(lv.palette_darken(lv.PALETTE.RED, 3))
+style_pr.set_transition(trans_pr)
+
+# Create an object with the new style_pr
+obj = lv.obj(lv.scr_act())
+obj.add_style(style_def, 0)
+obj.add_style(style_pr, lv.STATE.PRESSED)
+
+obj.center()