A39模拟器

MXC-A39/lvgl/examples/widgets/line/index.rst

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+C
+^
+
+Simple Line 
+""""""""""""""""
+
+.. lv_example:: widgets/line/lv_example_line_1
+  :language: c
+
+MicroPython
+^^^^^^^^^^^
+
+No examples yet.

MXC-A39/lvgl/examples/widgets/line/lv_example_line_1.c

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+#include "../../lv_examples.h"
+#if LV_USE_LINE && LV_BUILD_EXAMPLES
+
+void lv_example_line_1(void)
+{
+    /*Create an array for the points of the line*/
+    static lv_point_t line_points[] = { {5, 5}, {70, 70}, {120, 10}, {180, 60}, {240, 10} };
+
+    /*Create style*/
+    static lv_style_t style_line;
+    lv_style_init(&style_line);
+    lv_style_set_line_width(&style_line, 8);
+    lv_style_set_line_color(&style_line, lv_palette_main(LV_PALETTE_BLUE));
+    lv_style_set_line_rounded(&style_line, true);
+
+    /*Create a line and apply the new style*/
+    lv_obj_t * line1;
+    line1 = lv_line_create(lv_scr_act());
+    lv_line_set_points(line1, line_points, 5);     /*Set the points*/
+    lv_obj_add_style(line1, &style_line, 0);
+    lv_obj_center(line1);
+}
+
+#endif

MXC-A39/lvgl/examples/widgets/line/lv_example_line_1.py

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+# Create an array for the points of the line
+line_points = [ {"x":5, "y":5}, 
+                {"x":70, "y":70}, 
+                {"x":120, "y":10}, 
+                {"x":180, "y":60}, 
+                {"x":240, "y":10}]
+
+# Create new style (thick dark blue)
+style_line = lv.style_t()
+lv.style_copy(style_line, lv.style_plain)
+style_line.line.color = lv.color_make(0x00, 0x3b, 0x75)
+style_line.line.width = 3
+style_line.line.rounded = 1
+
+# Copy the previous line and apply the new style
+line1 = lv.line(lv.scr_act())
+line1.set_points(line_points, len(line_points))      # Set the points
+line1.set_style(lv.line.STYLE.MAIN, style_line)
+line1.align(None, lv.ALIGN.CENTER, 0, 0)