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<a href="Phaser.TilemapParser.html">TilemapParser</a>
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<a href="Phaser.TileSprite.html">TileSprite</a>
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<a href="Phaser.Utils.html">Utils</a>
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<a href="PIXI.AbstractFilter.html">AbstractFilter</a>
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<a href="PIXI.PixiShader.html">PixiShader</a>
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<a href="PIXI.PolyK.html">PolyK</a>
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</li>
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<a href="PIXI.PrimitiveShader.html">PrimitiveShader</a>
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<a href="PIXI.RenderTexture.html">RenderTexture</a>
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<a href="PIXI.Rope.html">Rope</a>
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<a href="PIXI.Sprite.html">Sprite</a>
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<a href="PIXI.SpriteBatch.html">SpriteBatch</a>
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<a href="PIXI.Stage.html">Stage</a>
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<a href="PIXI.Strip.html">Strip</a>
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<a href="PIXI.StripShader.html">StripShader</a>
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<a href="PIXI.Text.html">Text</a>
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</li>
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<a href="PIXI.Texture.html">Texture</a>
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</li>
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<a href="PIXI.TilingSprite.html">TilingSprite</a>
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</li>
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<a href="PIXI.VideoTexture.html">VideoTexture</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.WebGLBlendModeManager.html">WebGLBlendModeManager</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.WebGLFastSpriteBatch.html">WebGLFastSpriteBatch</a>
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</li>
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<a href="PIXI.WebGLFilterManager.html">WebGLFilterManager</a>
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</li>
<li class="class-depth-1">
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<a href="PIXI.WebGLRenderer.html">WebGLRenderer</a>
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</li>
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<li class="class-depth-0">
<a href="RoundedRectangle.html">RoundedRectangle</a>
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</li>
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</ul>
</li>
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<a href="global.html#append">append</a>
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<a href="global.html#apply">apply</a>
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</li>
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<a href="global.html#applyInverse">applyInverse</a>
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</li>
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<a href="global.html#blendModes">blendModes</a>
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<a href="global.html#clone">clone</a>
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<a href="global.html#fromArray">fromArray</a>
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<a href="global.html#scaleModes">scaleModes</a>
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<a href="global.html#sort">sort</a>
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<a href="global.html#toArray">toArray</a>
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<a href="global.html#translate">translate</a>
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</li>
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<h1 class="page-title">Source: src/pixi/text/BitmapText.js</h1>
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<section>
<article>
<pre class="sunlight-highlight-javascript linenums">/**
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* @author Mat Groves http://matgroves.com/ @Doormat23
*/
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/**
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* A BitmapText object will create a line or multiple lines of text using bitmap font. To split a line you can use '\n', '\r' or '\r\n' in your string.
* You can generate the fnt files using
* http://www.angelcode.com/products/bmfont/ for windows or
* http://www.bmglyph.com/ for mac.
*
* @class BitmapText
* @extends DisplayObjectContainer
* @constructor
* @param text {String} The copy that you would like the text to display
* @param style {Object} The style parameters
* @param style.font {String} The size (optional) and bitmap font id (required) eq 'Arial' or '20px Arial' (must have loaded previously)
* @param [style.align='left'] {String} Alignment for multiline text ('left', 'center' or 'right'), does not affect single line text
*/
PIXI.BitmapText = function(text, style)
{
PIXI.DisplayObjectContainer.call(this);
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/**
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* [read-only] The width of the overall text, different from fontSize,
* which is defined in the style object
*
* @property textWidth
* @type Number
* @readOnly
*/
this.textWidth = 0;
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/**
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* [read-only] The height of the overall text, different from fontSize,
* which is defined in the style object
*
* @property textHeight
* @type Number
* @readOnly
*/
this.textHeight = 0;
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/**
* The max width of this bitmap text in pixels. If the text provided is longer than the value provided, line breaks will be
* automatically inserted in the last whitespace. Disable by setting value to 0.
*
* @property maxWidth
* @type Number
*/
this.maxWidth = 0;
/**
* @property anchor
* @type Point
*/
this.anchor = new Phaser.Point(0, 0);
/**
* @property _prevAnchor
* @type Point
*/
this._prevAnchor = new Phaser.Point(0, 0);
/**
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* @property _pool
* @type Array
* @private
*/
this._pool = [];
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this.setText(text);
this.setStyle(style);
this.updateText();
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/**
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* The dirty state of this object.
* @property dirty
* @type Boolean
*/
this.dirty = false;
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};
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// constructor
PIXI.BitmapText.prototype = Object.create(PIXI.DisplayObjectContainer.prototype);
PIXI.BitmapText.prototype.constructor = PIXI.BitmapText;
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/**
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* Set the text string to be rendered.
*
* @method setText
* @param text {String} The text that you would like displayed
*/
PIXI.BitmapText.prototype.setText = function(text)
{
this.text = text || ' ';
this.dirty = true;
};
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/**
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* Set the style of the text
* style.font {String} The size (optional) and bitmap font id (required) eq 'Arial' or '20px Arial' (must have loaded previously)
* [style.align='left'] {String} Alignment for multiline text ('left', 'center' or 'right'), does not affect single lines of text
*
* @method setStyle
* @param style {Object} The style parameters, contained as properties of an object
*/
PIXI.BitmapText.prototype.setStyle = function(style)
{
style = style || {};
style.align = style.align || 'left';
this.style = style;
var font = style.font.split(' ');
this.fontName = font[font.length - 1];
this.fontSize = font.length >= 2 ? parseInt(font[font.length - 2], 10) : PIXI.BitmapText.fonts[this.fontName].size;
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this.dirty = true;
this.tint = style.tint;
};
/**
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* Renders text and updates it when needed
*
* @method updateText
* @private
*/
PIXI.BitmapText.prototype.updateText = function()
{
var data = PIXI.BitmapText.fonts[this.fontName];
var pos = new PIXI.Point();
var prevCharCode = null;
var chars = [];
var maxLineWidth = 0;
var lineWidths = [];
var line = 0;
var scale = this.fontSize / data.size;
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var lastSpace = 0;
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for (var i = 0; i &lt; this.text.length; i++)
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{
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var charCode = this.text.charCodeAt(i);
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lastSpace = /(\s)/.test(this.text.charAt(i)) ? i : lastSpace;
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if (/(?:\r\n|\r|\n)/.test(this.text.charAt(i)))
{
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lineWidths.push(pos.x);
maxLineWidth = Math.max(maxLineWidth, pos.x);
line++;
pos.x = 0;
pos.y += data.lineHeight;
prevCharCode = null;
continue;
}
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if (lastSpace !== -1 &amp;&amp; this.maxWidth > 0 &amp;&amp; pos.x * scale > this.maxWidth)
{
chars.splice(lastSpace, i - lastSpace);
i = lastSpace;
lastSpace = -1;
lineWidths.push(lastLineWidth);
maxLineWidth = Math.max(maxLineWidth, lastLineWidth);
line++;
pos.x = 0;
pos.y += data.lineHeight;
prevCharCode = null;
continue;
}
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var charData = data.chars[charCode];
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if(!charData) continue;
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if(prevCharCode &amp;&amp; charData.kerning[prevCharCode])
{
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pos.x += charData.kerning[prevCharCode];
}
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chars.push({texture:charData.texture, line: line, charCode: charCode, position: new PIXI.Point(pos.x + charData.xOffset, pos.y + charData.yOffset)});
pos.x += charData.xAdvance;
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prevCharCode = charCode;
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}
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lineWidths.push(pos.x);
maxLineWidth = Math.max(maxLineWidth, pos.x);
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var lineAlignOffsets = [];
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for (i = 0; i &lt;= line; i++)
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{
var alignOffset = 0;
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if (this.style.align === 'right')
{
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alignOffset = maxLineWidth - lineWidths[i];
}
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else if (this.style.align === 'center')
{
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alignOffset = (maxLineWidth - lineWidths[i]) / 2;
}
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lineAlignOffsets.push(alignOffset);
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}
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var lenChildren = this.children.length;
var lenChars = chars.length;
var tint = this.tint || 0xFFFFFF;
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this.textWidth = maxLineWidth * scale;
this.textHeight = (pos.y + data.lineHeight) * scale;
var ax = this.textWidth * this.anchor.x;
var ay = this.textHeight * this.anchor.y;
for (i = 0; i &lt; lenChars; i++)
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{
var c = i &lt; lenChildren ? this.children[i] : this._pool.pop(); // get old child if have. if not - take from pool.
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if (c) c.setTexture(chars[i].texture); // check if got one before.
else c = new PIXI.Sprite(chars[i].texture); // if no create new one.
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c.position.x = ((chars[i].position.x + lineAlignOffsets[chars[i].line]) * scale) - ax;
c.position.y = (chars[i].position.y * scale) - ay;
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c.scale.x = c.scale.y = scale;
c.tint = tint;
if (!c.parent) this.addChild(c);
}
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// Remove unnecessary children and put them into the pool
while (this.children.length > lenChars)
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{
var child = this.getChildAt(this.children.length - 1);
this._pool.push(child);
this.removeChild(child);
}
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};
/**
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* Updates the transform of this object
*
* @method updateTransform
* @private
*/
PIXI.BitmapText.prototype.updateTransform = function()
{
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if (this.dirty || !this.anchor.equals(this._prevAnchor))
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{
this.updateText();
this.dirty = false;
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this._prevAnchor.copyFrom(this.anchor);
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}
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PIXI.DisplayObjectContainer.prototype.updateTransform.call(this);
};
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PIXI.BitmapText.fonts = {};
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</pre>
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