Added new way to create renderFunctions.

This allows you to specify Color and length.
It should simply the renderFunction.

door.cpp

@@ -1052,6 +1052,37 @@ void Render::output(std::ostream &os) {
   }
 }
 
+/**
+ * Create render output.
+ *
+ * Call this for each section you want to colorize.
+ *
+ * @param color
+ * @param len
+ */
+void Render::append(ANSIColor color, int len) {
+  if (outputs.empty()) {
+    ColorOutput co;
+    co.c = color;
+    co.pos = 0;
+    co.len = len;
+    outputs.push_back(co);
+    return;
+  }
+  ColorOutput &current = outputs.back();
+  if (current.c == color) {
+    current.len += len;
+    return;
+  }
+  // Ok, new entry
+  // beware the unicode text
+  ColorOutput co;
+  co.pos = current.pos + current.len;
+  co.c = color;
+  co.len = len;
+  outputs.push_back(co);
+}
+
 /**
  * Construct a new Clrscr:: Clrscr object
  *

door.h

@@ -310,6 +310,7 @@ public:
   const std::string text;
   /// Vector of ColorOutput object.
   std::vector<ColorOutput> outputs;
+  void append(ANSIColor color, int len = 1);
   void output(std::ostream &os);
 };