Add Quad drawing option

libs/core/enums.d.ts

@@ -12,6 +12,7 @@
     Fill = 0x04,
     Transparent = 0x08,
     Double = 0x10,
+    Quad = 0x20,
     }
 
 // Auto-generated. Do not edit. Really.

libs/core/screen.cpp

@@ -12,6 +12,7 @@ enum class Draw {
     Fill = 0x04,
     Transparent = 0x08,
     Double = 0x10,
+    Quad = 0x20,
 };
 
 inline bool operator&(Draw a, Draw b) {
@@ -22,7 +23,6 @@ inline Draw operator|(Draw a, Draw b) {
     return (Draw)((int)a | (int)b);
 }
 
-
 #define XX(v) ((uint32_t)(v)&0xffff)
 #define YY(v) ((uint32_t)(v) >> 16)
 
@@ -171,8 +171,14 @@ Buffer doubleIcon(Buffer buf) {
 void drawIcon(int x, int y, Buffer buf, Draw mode) {
     if (!isValidIcon(buf))
         return;
-    if (mode & Draw::Double)
+    if (mode & (Draw::Double | Draw::Quad)) {
         buf = doubleIcon(buf);
+        if (mode & Draw::Quad) {
+            auto pbuf = buf;
+            buf = doubleIcon(buf);
+            decrRC(pbuf);
+        }
+    }
 
     int pixwidth = buf->data[1];
     int ptr = 2;

libs/core/screen.ts

@@ -94,7 +94,7 @@ namespace screen {
         let byteWidth = (currFont.charWidth + 7) >> 3
         let charSize = byteWidth * currFont.charHeight
         let iconBuf = output.createBuffer(2 + charSize)
-        let double = (mode & Draw.Double) ? 2 : 1
+        let double = (mode & Draw.Quad) ? 4 : (mode & Draw.Double) ? 2 : 1
         iconBuf[0] = 0xf0
         iconBuf[1] = currFont.charWidth
         while (cp < text.length) {

libs/core/test.ts

@@ -1,5 +1,5 @@
 screen.clear()
-screen.drawText(10, 30, "Welcome PXT!", Draw.Double)
+screen.drawText(10, 30, "PXT!", Draw.Quad)
 
 screen.drawRect(40, 40, 20, 10, Draw.Fill)
 output.setLights(LightsPattern.Orange)