New Color component.

Author: photonstorm

src/components/Color.js

@@ -0,0 +1,209 @@
+/**
+* @author       Richard Davey <rich@photonstorm.com>
+* @copyright    2016 Photon Storm Ltd.
+* @license      {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
+*/
+
+/**
+* The Color Component allows you to control the alpha, blend mode, tint and background color
+* of a Game Object.
+*
+* @class
+*/
+Phaser.Component.Color = function (gameObject)
+{
+    this.gameObject = gameObject;
+
+    this.game = gameObject.game;
+
+    this._dirty = false;
+
+    this._alpha = 1;
+    this._worldAlpha = 1;
+
+    this._blendMode = 0;
+
+    this._tint = [];
+    this._hasTint = false;
+
+    this._r = 0;
+    this._g = 0;
+    this._b = 0;
+    this._a = 1;
+    this._rgba = '';
+    this._hasBackground = false;
+};
+
+Phaser.Component.Color.prototype.constructor = Phaser.Component.Color;
+
+Phaser.Component.Color.prototype = {
+
+    setBackground: function (red, green, blue, alpha)
+    {
+        if (red === undefined)
+        {
+            this._hasBackground = false;
+        }
+        else
+        {
+            this._hasBackground = true;
+            this._r = red;
+            this._g = (green) ? green : 0;
+            this._b = (blue) ? blue : 0;
+            this._a = (alpha) ? alpha : 1;
+        }
+
+        this.setDirty();
+    },
+
+    getBlendMode: function ()
+    {
+        return this._blendMode;
+    },
+
+    setBlendMode: function (blendMode)
+    {
+        if (blendMode >= 0 && blendMode <= 16)
+        {
+            this._blendMode = blendMode;
+            this.setDirty();
+        }
+    },
+
+    //  Called by the Dirty Manager
+    update: function ()
+    {
+        this._dirty = false;
+
+        if (this._hasBackground)
+        {
+            this._rgba = 'rgba(' + this._r + ',' + this._g + ',' + this._b + ',' + this._a + ')';
+        }
+    },
+
+    setDirty: function ()
+    {
+        if (!this._dirty)
+        {
+            this.game.updates.add(this);
+        }
+
+        this._dirty = true;
+    },
+
+    destroy: function ()
+    {
+        this.gameObject = null;
+        this.game = null;
+        this._tint = [];
+    }
+
+};
+
+Object.defineProperties(Phaser.Component.Color.prototype, {
+
+    alpha: {
+
+        enumerable: true,
+
+        get: function ()
+        {
+            return this._alpha;
+        },
+
+        set: function (value)
+        {
+            if (value !== this._alpha)
+            {
+                this._alpha = value;
+                this.setDirty();
+            }
+        }
+
+    },
+
+    backgroundAlpha: {
+
+        enumerable: true,
+
+        get: function ()
+        {
+            return this._a;
+        },
+
+        set: function (value)
+        {
+            if (value !== this._a)
+            {
+                this._a = value;
+                this._hasBackground = true;
+                this.setDirty();
+            }
+        }
+
+    },
+
+    red: {
+
+        enumerable: true,
+
+        get: function ()
+        {
+            return this._r;
+        },
+
+        set: function (value)
+        {
+            if (value !== this._r)
+            {
+                this._r = value | 0;
+                this._hasBackground = true;
+                this.setDirty();
+            }
+        }
+
+    },
+
+    green: {
+
+        enumerable: true,
+
+        get: function ()
+        {
+            return this._g;
+        },
+
+        set: function (value)
+        {
+            if (value !== this._g)
+            {
+                this._g = value | 0;
+                this._hasBackground = true;
+                this.setDirty();
+            }
+        }
+
+    },
+
+    blue: {
+
+        enumerable: true,
+
+        get: function ()
+        {
+            return this._b;
+        },
+
+        set: function (value)
+        {
+            if (value !== this._b)
+            {
+                this._b = value | 0;
+                this._hasBackground = true;
+                this.setDirty();
+            }
+        }
+
+    }
+
+});