From 4f7a65a3bd2eaa0eeaaba15a0a795560095e108f Mon Sep 17 00:00:00 2001
From: Victor <melnikukr@mail.ru>
Date: Tue, 14 Jan 2014 22:02:11 +0200
Subject: [PATCH] Add drawPointer method

---
 src/com/annimon/influencexxii/DrawUtils.java | 22 ++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/com/annimon/influencexxii/DrawUtils.java b/src/com/annimon/influencexxii/DrawUtils.java
index 2eb55d2..04238fc 100644
--- a/src/com/annimon/influencexxii/DrawUtils.java
+++ b/src/com/annimon/influencexxii/DrawUtils.java
@@ -1,6 +1,8 @@
 package com.annimon.influencexxii;
 
 import com.badlogic.gdx.graphics.Color;
+import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
+import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType;
 import com.badlogic.gdx.math.MathUtils;
 
 /**
@@ -9,6 +11,11 @@ import com.badlogic.gdx.math.MathUtils;
  *
  */
 public class DrawUtils {
+    
+    private static final Color[][] pointerColorByMode = {
+        { new Color(0f, 1f, 0f, 0f), Color.GREEN },
+        { new Color(1f, 0f, 0f, 0f), Color.RED }
+    };
 
     public static Color random2Color(int min, int max) {
         float r = MathUtils.random(min, max) / 255f;;
@@ -16,4 +23,19 @@ public class DrawUtils {
         float b = MathUtils.random(min, max) / 255f;;
         return new Color(r, g, b, 1f);
     }
+    
+    public static void drawPointer(ShapeRenderer renderer, int x, int y, int w, int h, int mode) {
+        renderer.begin(ShapeType.Line);
+        Color col1 = pointerColorByMode[mode][0];
+        Color col2 = pointerColorByMode[mode][1];
+        // Vertical
+        final int h2 = h / 2;
+        renderer.line(x, 0, x, h2, col1, col2);
+        renderer.line(x, h2, x, h, col2, col1);
+        // Horizontal
+        final int w2 = w / 2;
+        renderer.line(0, y, w2, y, col1, col2);
+        renderer.line(w2, y, w, y, col2, col1);
+        renderer.end();
+    }
 }
\ No newline at end of file