June 2018 Update

Task/Munching-squares/Ring/munching-squares.ring

@@ -0,0 +1,57 @@
+# Project : Munching squares
+# Date    : 2018/01/13
+# Author : Gal Zsolt (~ CalmoSoft ~)
+# Email   : <calmosoft@gmail.com>
+
+load "guilib.ring"
+
+paint = null
+
+new qapp
+        {
+        win1 = new qwidget() {
+                  setwindowtitle("Archimedean spiral")
+                  setgeometry(100,100,500,600)
+                  label1 = new qlabel(win1) {
+                              setgeometry(10,10,400,400)
+                              settext("")
+                  }
+                  new qpushbutton(win1) {
+                          setgeometry(150,500,100,30)
+                          settext("draw")
+                          setclickevent("draw()")
+                  }
+                  show()
+        }
+        exec()
+        }
+
+func draw
+        p1 = new qpicture()
+               color = new qcolor() {
+               setrgb(0,0,255,255)
+        }
+        pen = new qpen() {
+                 setcolor(color)
+                 setwidth(1)
+        }
+        paint = new qpainter() {
+                  begin(p1)
+                  setpen(pen)
+
+        w = 100
+        for x = 0 to w
+             for y = 0 to w
+                   b = (x ^ y)
+                   color = new qcolor()
+                   color.setrgb(255 -b,b /2,b,255)
+                   pen.setcolor(color)
+                   setpen(pen)
+                   drawpoint(x,w -y -1)
+             next
+         next
+
+        endpaint()
+        }
+        label1 { setpicture(p1) show() }
+        return