From 2fc63d19040deca055e2f9e498c71bceca2f718e Mon Sep 17 00:00:00 2001
From: Justin Lin <caterpillar@openhome.cc>
Date: Mon, 23 Sep 2019 08:15:37 +0800
Subject: [PATCH] add text_box

---
 examples/text_box.scad | 63 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 examples/text_box.scad

diff --git a/examples/text_box.scad b/examples/text_box.scad
new file mode 100644
index 00000000..999ed248
--- /dev/null
+++ b/examples/text_box.scad
@@ -0,0 +1,63 @@
+model_type = "Both"; // [Both, Lid, Container]
+t = "XD"; 
+font_size = 30;
+font_name = "Arial Black";
+r_round_edge = 7;
+container_height = 30;
+lid_height = 10;
+thickness = 1;
+spacing = 0.6;
+
+
+module minkowski_text(t, size, font, r_round_edge) {
+    $fn = 24;
+    minkowski() {
+        text(t, font = font, size = size);
+        circle(r_round_edge);
+    }
+}
+
+module text_container(t, font_size, font_name, r_round_edge, container_height, thickness) {
+    difference() {
+        linear_extrude(container_height) 
+            minkowski_text(t, font_size, font_name, r_round_edge);
+        translate([0, 0, thickness]) 
+            linear_extrude(container_height - thickness) 
+                offset(r = -thickness) 
+                    minkowski_text(t, font_size, font_name, r_round_edge);
+    }
+}
+
+module text_lid(t, font_size, font_name, r_round_edge, container_height, lid_height, thickness, spacing) {
+    translate([0, 0, lid_height - thickness]) 
+        linear_extrude(thickness) 
+            offset(r = spacing + thickness) 
+                minkowski_text(t, font_size, font_name, r_round_edge);
+
+    linear_extrude(lid_height) difference() {
+        offset(r = spacing + thickness) 
+            minkowski_text(t, font_size, font_name, r_round_edge);    
+        offset(r = spacing) 
+            minkowski_text(t, font_size, font_name, r_round_edge);
+    }
+}
+ 
+module text_box(model_type, t, font_size, font_name, r_round_edge, container_height, lid_height, thickness, spacing) {
+   
+    if(model_type == "Both" || model_type == "Container") {
+        text_container(t, font_size, font_name, r_round_edge, container_height, thickness);    
+    }
+    
+    if(model_type == "Both" || model_type == "Lid") {
+        offset_y = (font_size + r_round_edge) * 2;
+
+        translate([0, offset_y, 0]) 
+            text_lid(t, font_size, font_name, r_round_edge, container_height, lid_height, thickness, spacing);
+
+        translate([0, offset_y, lid_height]) 
+            linear_extrude(thickness) 
+                text(t, size = font_size, font = font_name);
+    }
+}
+
+text_box(model_type, t, font_size, font_name, r_round_edge, container_height, lid_height, thickness, spacing );
\ No newline at end of file