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display_RepeatedGraphic.js.html
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<!DOCTYPE html>
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<h1 class="page-title">Source: display/RepeatedGraphic.js</h1>
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<pre class="prettyprint source linenums"><code>//------------------------------------------------------------------------------
// Constructor scope
//------------------------------------------------------------------------------
/**
* Creates a new object.
*
* @constructor
* @extends rune.display.Graphic
*
* @param {number} [x=0.0] The x coordinate of the top-left corner of the rectangle.
* @param {number} [y=0.0] The y coordinate of the top-left corner of the rectangle.
* @param {number} [width=0.0] The y coordinate of the top-left corner of the rectangle.
* @param {number} [height=0.0] The height of the rectangle, in pixels.
* @param {string} [resource=""] Name of the resource to be used as texture data.
*
* @class
* @classdesc
*
* The class RepeatedGraphic serves as a representation of a bitmap texture that
* can be repeated over a rectangular surface. This surface can be larger in
* size than the texture used to fill it.
*/
rune.display.RepeatedGraphic = function(x, y, width, height, resource) {
//--------------------------------------------------------------------------
// Protected properties
//--------------------------------------------------------------------------
/**
* The offset of the texture in x and y values.
*
* @type {rune.geom.Point}
* @protected
* @ignore
*/
this.m_offset = new rune.geom.Point(0, 0);
//--------------------------------------------------------------------------
// Super call
//--------------------------------------------------------------------------
/**
* Extend Graphics.
*/
rune.display.Graphic.call(this, x, y, width, height, resource);
};
//------------------------------------------------------------------------------
// Inheritance
//------------------------------------------------------------------------------
rune.display.RepeatedGraphic.prototype = Object.create(rune.display.Graphic.prototype);
rune.display.RepeatedGraphic.prototype.constructor = rune.display.RepeatedGraphic;
//------------------------------------------------------------------------------
// Public prototype getter and setter methods
//------------------------------------------------------------------------------
/**
* The displacement of texture data in the x-direction.
* Can be continuously updated to create a scrolling effect.
*
* @member {number} offsetX
* @memberof rune.display.RepeatedGraphic
* @instance
*/
Object.defineProperty(rune.display.RepeatedGraphic.prototype, "offsetX", {
/**
* @this rune.display.RepeatedGraphic
* @ignore
*/
get : function() {
return this.m_offset.x;
},
/**
* @this rune.display.RepeatedGraphic
* @ignore
*/
set : function(value) {
if (this.m_offset.x != value) {
this.m_offset.x = value;
this.breakCache();
}
}
});
/**
* The displacement of texture data in the y-direction.
* Can be continuously updated to create a scrolling effect.
*
* @member {number} offsetY
* @memberof rune.display.RepeatedGraphic
* @instance
*/
Object.defineProperty(rune.display.RepeatedGraphic.prototype, "offsetY", {
/**
* @this rune.display.RepeatedGraphic
* @ignore
*/
get : function() {
return this.m_offset.y;
},
/**
* @this rune.display.RepeatedGraphic
* @ignore
*/
set : function(value) {
if (this.m_offset.y != value) {
this.m_offset.y = value;
this.breakCache();
}
}
});
//------------------------------------------------------------------------------
// Override protected prototype methods
//------------------------------------------------------------------------------
/**
* @inheritDoc
*/
rune.display.RepeatedGraphic.prototype.m_renderTexture = function() {
this.m_canvas.drawImageFill(
this.m_texture["data"],
this.m_offset.x,
this.m_offset.y,
this.width,
this.height
);
};</code></pre>
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