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<h1 class="page-title">Source: gameobjects/BitmapData.js</h1>
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<section>
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<article>
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<pre class="sunlight-highlight-javascript linenums">/**
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* @author Richard Davey <rich@photonstorm.com>
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* @copyright 2014 Photon Storm Ltd.
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* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
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*/
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/**
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* Creates a new BitmapData object.
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*
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* @class Phaser.BitmapData
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*
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* @classdesc Note: This object is still experimental and likely to change.
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*
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* A BitmapData object can be thought of as a blank canvas onto which you can perform graphics operations as you would on a normal canvas,
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* such as drawing lines, circles, arcs, fills and copying and setting blocks of pixel data. A single BitmapData can be used as the texture
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* for multiple Sprites. So if you need to dynamically create a Sprite texture then they are a good choice. It supports the EaselJS Tiny API.
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*
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* @constructor
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* @param {Phaser.Game} game - A reference to the currently running game.
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* @param {number} [width=256] - The width of the BitmapData in pixels.
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* @param {number} [height=256] - The height of the BitmapData in pixels.
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*/
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Phaser.BitmapData = function (game, width, height) {
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if (typeof width === 'undefined') { width = 256; }
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if (typeof height === 'undefined') { height = 256; }
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/**
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* @property {Phaser.Game} game - A reference to the currently running game.
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*/
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this.game = game;
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/**
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* @property {string} name - The name of the BitmapData.
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*/
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this.name = '';
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/**
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* @property {number} width - The width of the BitmapData in pixels.
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*/
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this.width = width;
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/**
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* @property {number} height - The height of the BitmapData in pixels.
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*/
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this.height = height;
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/**
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* @property {HTMLCanvasElement} canvas - The canvas to which this BitmapData draws.
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* @default
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*/
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this.canvas = Phaser.Canvas.create(width, height);
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/**
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* @property {CanvasRenderingContext2D} context - The 2d context of the canvas.
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* @default
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*/
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this.context = this.canvas.getContext('2d');
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/**
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* @property {array} imageData - The canvas image data.
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*/
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this.imageData = this.context.getImageData(0, 0, width, height);
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/**
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* @property {UInt8Clamped} pixels - A reference to the context imageData buffer.
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*/
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if (this.imageData.data.buffer)
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{
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this.pixels = this.imageData.data.buffer;
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}
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else
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{
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this.pixels = this.imageData.data;
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}
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/**
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* @property {PIXI.BaseTexture} baseTexture - The PIXI.BaseTexture.
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* @default
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*/
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this.baseTexture = new PIXI.BaseTexture(this.canvas);
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/**
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* @property {PIXI.Texture} texture - The PIXI.Texture.
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* @default
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*/
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this.texture = new PIXI.Texture(this.baseTexture);
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/**
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* @property {Phaser.Frame} textureFrame - The Frame this BitmapData uses for rendering.
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* @default
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*/
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this.textureFrame = new Phaser.Frame(0, 0, 0, width, height, 'bitmapData', game.rnd.uuid());
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/**
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* @property {number} type - The const type of this object.
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* @default
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*/
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this.type = Phaser.BITMAPDATA;
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this._dirty = false;
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}
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Phaser.BitmapData.prototype = {
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/**
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* Updates the given Sprite so that it uses this BitmapData as its texture.
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* @method Phaser.BitmapData#add
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* @param {Phaser.Sprite} sprite - The sprite to apply this texture to.
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*/
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add: function (sprite) {
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sprite.loadTexture(this);
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},
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/**
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* Given an array of Sprites it will update each of them so that their Textures reference this BitmapData.
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* @method Phaser.BitmapData#addTo
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* @param {Phaser.Sprite[]} sprites - An array of Sprites to apply this texture to.
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*/
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addTo: function (sprites) {
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for (var i = 0; i < sprites.length; i++)
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{
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if (sprites[i].texture)
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{
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sprites[i].loadTexture(this);
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}
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}
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},
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/**
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* Clears the BitmapData.
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* @method Phaser.BitmapData#clear
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*/
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clear: function () {
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this.context.clearRect(0, 0, this.width, this.height);
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this._dirty = true;
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},
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refreshBuffer: function () {
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this.imageData = this.context.getImageData(0, 0, this.width, this.height);
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this.pixels = new Int32Array(this.imageData.data.buffer);
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// this.data8 = new Uint8ClampedArray(this.imageData.buffer);
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// this.data32 = new Uint32Array(this.imageData.buffer);
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},
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/**
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* Sets the color of the given pixel to the specified red, green, blue and alpha values.
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* @method Phaser.BitmapData#setPixel32
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* @param {number} x - The X coordinate of the pixel to be set.
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* @param {number} y - The Y coordinate of the pixel to be set.
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* @param {number} red - The red color value, between 0 and 0xFF (255).
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* @param {number} green - The green color value, between 0 and 0xFF (255).
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* @param {number} blue - The blue color value, between 0 and 0xFF (255).
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* @param {number} alpha - The alpha color value, between 0 and 0xFF (255).
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*/
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setPixel32: function (x, y, red, green, blue, alpha) {
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if (x >= 0 && x <= this.width && y >= 0 && y <= this.height)
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{
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|
this.pixels[y * this.width + x] = (alpha << 24) | (blue << 16) | (green << 8) | red;
|
|
|
|
/*
|
|
if (this.isLittleEndian)
|
|
{
|
|
this.data32[y * this.width + x] = (alpha << 24) | (blue << 16) | (green << 8) | red;
|
|
}
|
|
else
|
|
{
|
|
this.data32[y * this.width + x] = (red << 24) | (green << 16) | (blue << 8) | alpha;
|
|
}
|
|
*/
|
|
|
|
// this.imageData.data.set(this.data8);
|
|
|
|
this.context.putImageData(this.imageData, 0, 0);
|
|
|
|
this._dirty = true;
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Sets the color of the given pixel to the specified red, green and blue values.
|
|
* @method Phaser.BitmapData#setPixel
|
|
* @param {number} x - The X coordinate of the pixel to be set.
|
|
* @param {number} y - The Y coordinate of the pixel to be set.
|
|
* @param {number} red - The red color value (between 0 and 255)
|
|
* @param {number} green - The green color value (between 0 and 255)
|
|
* @param {number} blue - The blue color value (between 0 and 255)
|
|
*/
|
|
setPixel: function (x, y, red, green, blue) {
|
|
|
|
this.setPixel32(x, y, red, green, blue, 255);
|
|
|
|
},
|
|
|
|
/**
|
|
* Get a color of a specific pixel.
|
|
* @param {number} x - The X coordinate of the pixel to get.
|
|
* @param {number} y - The Y coordinate of the pixel to get.
|
|
* @return {number} A native color value integer (format: 0xRRGGBB)
|
|
*/
|
|
getPixel: function (x, y) {
|
|
|
|
if (x >= 0 && x <= this.width && y >= 0 && y <= this.height)
|
|
{
|
|
return this.data32[y * this.width + x];
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Get a color of a specific pixel (including alpha value).
|
|
* @param {number} x - The X coordinate of the pixel to get.
|
|
* @param {number} y - The Y coordinate of the pixel to get.
|
|
* @return {number} A native color value integer (format: 0xAARRGGBB)
|
|
*/
|
|
getPixel32: function (x, y) {
|
|
|
|
if (x >= 0 && x <= this.width && y >= 0 && y <= this.height)
|
|
{
|
|
return this.data32[y * this.width + x];
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Get pixels in array in a specific Rectangle.
|
|
* @param rect {Rectangle} The specific Rectangle.
|
|
* @return {array} CanvasPixelArray.
|
|
*/
|
|
getPixels: function (rect) {
|
|
|
|
return this.context.getImageData(rect.x, rect.y, rect.width, rect.height);
|
|
|
|
},
|
|
|
|
/**
|
|
* Adds an arc to the path which is centered at (x, y) position with radius r starting at startAngle and ending at endAngle
|
|
* going in the given direction by anticlockwise (defaulting to clockwise).
|
|
* @method Phaser.BitmapData#arc
|
|
* @param {number} x - The x axis of the coordinate for the arc's center
|
|
* @param {number} y - The y axis of the coordinate for the arc's center
|
|
* @param {number} radius - The arc's radius
|
|
* @param {number} startAngle - The starting point, measured from the x axis, from which it will be drawn, expressed in radians.
|
|
* @param {number} endAngle - The end arc's angle to which it will be drawn, expressed in radians.
|
|
* @param {boolean} [anticlockwise=true] - true draws the arc anticlockwise, otherwise in a clockwise direction.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
arc: function (x, y, radius, startAngle, endAngle, anticlockwise) {
|
|
|
|
if (typeof anticlockwise === 'undefined') { anticlockwise = false; }
|
|
|
|
this._dirty = true;
|
|
this.context.arc(x, y, radius, startAngle, endAngle, anticlockwise);
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Adds an arc with the given control points and radius, connected to the previous point by a straight line.
|
|
* @method Phaser.BitmapData#arcTo
|
|
* @param {number} x1
|
|
* @param {number} y1
|
|
* @param {number} x2
|
|
* @param {number} y2
|
|
* @param {number} radius
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
arcTo: function (x1, y1, x2, y2, radius) {
|
|
|
|
this._dirty = true;
|
|
this.context.arcTo(x1, y1, x2, y2, radius);
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Begins a fill with the specified color. This ends the current sub-path.
|
|
* @method Phaser.BitmapData#beginFill
|
|
* @param {string} color - A CSS compatible color value (ex. "red", "#FF0000", or "rgba(255,0,0,0.5)"). Setting to null will result in no fill.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
beginFill: function (color) {
|
|
|
|
this.fillStyle(color);
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Begins a linear gradient fill defined by the line (x0, y0) to (x1, y1). This ends the current sub-path. For
|
|
* example, the following code defines a black to white vertical gradient ranging from 20px to 120px, and draws a square to display it:
|
|
*
|
|
* ```myGraphics.beginLinearGradientFill(["#000","#FFF"], [0, 1], 0, 20, 0, 120).rect(20, 20, 120, 120);```
|
|
*
|
|
* @method Phaser.BitmapData#beginLinearGradientFill
|
|
* @param {Array} colors - An array of CSS compatible color values. For example, ["#F00","#00F"] would define a gradient drawing from red to blue.
|
|
* @param {Array} ratios - An array of gradient positions which correspond to the colors. For example, [0.1, 0.9] would draw the first color to 10% then interpolating to the second color at 90%.
|
|
* @param {number} x0 - The position of the first point defining the line that defines the gradient direction and size.
|
|
* @param {number} y0 - The position of the first point defining the line that defines the gradient direction and size.
|
|
* @param {number} x1 - The position of the second point defining the line that defines the gradient direction and size.
|
|
* @param {number} y1 - The position of the second point defining the line that defines the gradient direction and size.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
beginLinearGradientFill: function (colors, ratios, x0, y0, x1, y1) {
|
|
|
|
var gradient = this.createLinearGradient(x0, y0, x1, y1);
|
|
|
|
for (var i = 0, len = colors.length; i < len; i++)
|
|
{
|
|
gradient.addColorStop(ratios[i], colors[i]);
|
|
}
|
|
|
|
this.fillStyle(gradient);
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Begins a linear gradient stroke defined by the line (x0, y0) to (x1, y1). This ends the current sub-path. For
|
|
* example, the following code defines a black to white vertical gradient ranging from 20px to 120px, and draws a
|
|
* square to display it:
|
|
*
|
|
* ```myGraphics.setStrokeStyle(10).beginLinearGradientStroke(["#000","#FFF"], [0, 1], 0, 20, 0, 120).drawRect(20, 20, 120, 120);```
|
|
*
|
|
* @method Phaser.BitmapData#beginLinearGradientStroke
|
|
* @param {Array} colors - An array of CSS compatible color values. For example, ["#F00","#00F"] would define a gradient drawing from red to blue.
|
|
* @param {Array} ratios - An array of gradient positions which correspond to the colors. For example, [0.1, 0.9] would draw the first color to 10% then interpolating to the second color at 90%.
|
|
* @param {number} x0 - The position of the first point defining the line that defines the gradient direction and size.
|
|
* @param {number} y0 - The position of the first point defining the line that defines the gradient direction and size.
|
|
* @param {number} x1 - The position of the second point defining the line that defines the gradient direction and size.
|
|
* @param {number} y1 - The position of the second point defining the line that defines the gradient direction and size.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
beginLinearGradientStroke: function (colors, ratios, x0, y0, x1, y1) {
|
|
|
|
var gradient = this.createLinearGradient(x0, y0, x1, y1);
|
|
|
|
for (var i = 0, len = colors.length; i < len; i++)
|
|
{
|
|
gradient.addColorStop(ratios[i], colors[i]);
|
|
}
|
|
|
|
this.strokeStyle(gradient);
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Begins a radial gradient stroke. This ends the current sub-path. For example, the following code defines a red to
|
|
* blue radial gradient centered at (100, 100), with a radius of 50, and draws a rectangle to display it:
|
|
*
|
|
* myGraphics.setStrokeStyle(10)
|
|
* .beginRadialGradientStroke(["#F00","#00F"], [0, 1], 100, 100, 0, 100, 100, 50)
|
|
* .drawRect(50, 90, 150, 110);
|
|
*
|
|
* @method Phaser.BitmapData#beginRadialGradientStroke
|
|
* @param {Array} colors - An array of CSS compatible color values. For example, ["#F00","#00F"] would define a gradient drawing from red to blue.
|
|
* @param {Array} ratios - An array of gradient positions which correspond to the colors. For example, [0.1, 0.9] would draw the first color to 10% then interpolating to the second color at 90%.
|
|
* @param {number} x0 - Center position of the inner circle that defines the gradient.
|
|
* @param {number} y0 - Center position of the inner circle that defines the gradient.
|
|
* @param {number} r0 - Radius of the inner circle that defines the gradient.
|
|
* @param {number} x1 - Center position of the outer circle that defines the gradient.
|
|
* @param {number} y1 - Center position of the outer circle that defines the gradient.
|
|
* @param {number} r1 - Radius of the outer circle that defines the gradient.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
beginRadialGradientStroke: function (colors, ratios, x0, y0, r0, x1, y1, r1) {
|
|
|
|
var gradient = this.createRadialGradient(x0, y0, r0, x1, y1, r1);
|
|
|
|
for (var i = 0, len = colors.length; i < len; i++)
|
|
{
|
|
gradient.addColorStop(ratios[i], colors[i]);
|
|
}
|
|
|
|
this.strokeStyle(gradient);
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Starts a new path by resetting the list of sub-paths. Call this method when you want to create a new path.
|
|
* @method Phaser.BitmapData#beginPath
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
beginPath: function () {
|
|
|
|
this.context.beginPath();
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Begins a stroke with the specified color. This ends the current sub-path.
|
|
* @method Phaser.BitmapData#beginStroke
|
|
* @param {String} color A CSS compatible color value (ex. "#FF0000", "red", or "rgba(255,0,0,0.5)"). Setting to null will result in no stroke.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
beginStroke: function (color) {
|
|
|
|
this.strokeStyle(color);
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Adds a bezier curve from the current context point to (x, y) using the control points (cp1x, cp1y) and (cp2x, cp2y).
|
|
* @method Phaser.BitmapData#bezierCurveTo
|
|
* @param {number} cp1x - The x axis of control point 1.
|
|
* @param {number} cp1y - The y axis of control point 1.
|
|
* @param {number} cp2x - The x axis of control point 2.
|
|
* @param {number} cp2y - The y axis of control point 2.
|
|
* @param {number} x - The x axis of the ending point.
|
|
* @param {number} y - The y axis of the ending point.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
bezierCurveTo: function (cp1x, cp1y, cp2x, cp2y, x, y) {
|
|
|
|
this._dirty = true;
|
|
this.context.bezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y);
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Draws a circle with the specified radius at (x, y).
|
|
* @method Phaser.BitmapData#circle
|
|
* @param {number} x - x coordinate center point of circle.
|
|
* @param {number} y - y coordinate center point of circle.
|
|
* @param {number} radius - Radius of circle in radians.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
circle: function (x, y, radius) {
|
|
|
|
this.arc(x, y, radius, 0, Math.PI*2);
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Sets all pixels in the rectangle defined by starting point (x, y) and size (width, height) to transparent black.
|
|
* @method Phaser.BitmapData#clearRect
|
|
* @param {number} x - The x axis of the coordinate for the rectangle starting point.
|
|
* @param {number} y - The y axis of the coordinate for the rectangle starting point.
|
|
* @param {number} width - The rectangles width.
|
|
* @param {number} height - The rectangles height.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
clearRect: function (x, y, width, height) {
|
|
|
|
this._dirty = true;
|
|
this.context.clearRect(x, y, width, height);
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Creates a clipping path from the current sub-paths. Everything drawn after clip() is called appears inside the clipping path only.
|
|
* @method Phaser.BitmapData#clip
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
clip: function () {
|
|
|
|
this._dirty = true;
|
|
this.context.clip();
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Tries to draw a straight line from the current point to the start. If the shape has already been closed or has only one point, this function does nothing.
|
|
* @method Phaser.BitmapData#closePath
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
closePath: function () {
|
|
|
|
this._dirty = true;
|
|
this.context.closePath();
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Creates a linear gradient with defined by an imaginary line which implies the direction of the gradient.
|
|
* Once the gradient is created colors can be inserted using the addColorStop method.
|
|
* @method Phaser.BitmapData#createLinearGradient
|
|
* @param {number} x - The x axis of the coordinate for the gradients starting point.
|
|
* @param {number} y - The y axis of the coordinate for the gradients starting point.
|
|
* @param {number} width - The width of the gradient.
|
|
* @param {number} height - The height of the gradient.
|
|
* @return {CanvasGradient} The Linear Gradient.
|
|
*/
|
|
createLinearGradient: function (x, y, width, height) {
|
|
|
|
return this.context.createLinearGradient(x, y, width, height);
|
|
|
|
},
|
|
|
|
// createPattern
|
|
|
|
/**
|
|
* Creates a radial gradient.
|
|
* @method Phaser.BitmapData#createRadialGradient
|
|
* @param {number} x0
|
|
* @param {number} y0
|
|
* @param {number} r0
|
|
* @param {number} x1
|
|
* @param {number} y1
|
|
* @param {number} r1
|
|
* @return {CanvasGradient} The Radial Gradient.
|
|
*/
|
|
createRadialGradient: function (x0, y0, r0, x1, y1, r1) {
|
|
|
|
return this.context.createRadialGradient(x0, y0, r0, x1, y1, r1);
|
|
|
|
},
|
|
|
|
// drawImage
|
|
// drawSystemFocusRing (?)
|
|
|
|
/**
|
|
* Draws an ellipse (oval) with a specified width (w) and height (h).
|
|
* @method Phaser.BitmapData#ellipse
|
|
* @param {number} x - x coordinate center point of ellipse.
|
|
* @param {number} y - y coordinate center point of ellipse.
|
|
* @param {number} w - height (horizontal diameter) of ellipse. The horizontal radius will be half of this number.
|
|
* @param {number} h - width (vertical diameter) of ellipse. The vertical radius will be half of this number.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
ellipse: function (x, y, w, h) {
|
|
|
|
var k = 0.5522848;
|
|
var ox = (w / 2) * k;
|
|
var oy = (h / 2) * k;
|
|
var xe = x + w;
|
|
var ye = y + h;
|
|
var xm = x + w / 2;
|
|
var ym = y + h / 2;
|
|
|
|
this.moveTo(x, ym);
|
|
this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y);
|
|
this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym);
|
|
this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye);
|
|
this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym);
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Fills the subpaths with the current fill style.
|
|
* @method Phaser.BitmapData#fill
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
fill: function () {
|
|
|
|
this._dirty = true;
|
|
this.context.fill();
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Draws a filled rectangle at (x, y) position whose size is determined by width and height.
|
|
* @method Phaser.BitmapData#fillRect
|
|
* @param {number} x - The x axis of the coordinate for the rectangle starting point.
|
|
* @param {number} y - The y axis of the coordinate for the rectangle starting point.
|
|
* @param {number} width - The rectangles width.
|
|
* @param {number} height - The rectangles height.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
fillRect: function (x, y, width, height) {
|
|
|
|
this._dirty = true;
|
|
this.context.fillRect(x, y, width, height);
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Sets the fill style.
|
|
* @method Phaser.BitmapData#fillStyle
|
|
* @param {string} color - The fill color value in CSS format: #RRGGBB or rgba(r,g,b,a)
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
fillStyle: function (color) {
|
|
|
|
this.context.fillStyle = color;
|
|
return this;
|
|
|
|
},
|
|
|
|
// fillText
|
|
|
|
/**
|
|
* Sets the font.
|
|
* @method Phaser.BitmapData#font
|
|
* @param {DOMString} font - The font to be used for any text rendering. Default value 10px sans-serif.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
font: function (font) {
|
|
|
|
this.context.font = font;
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Alpha value that is applied to shapes and images before they are composited onto the canvas. Default 1.0 (opaque).
|
|
* @method Phaser.BitmapData#globalAlpha
|
|
* @param {number} alpha - Alpha value that is applied to shapes and images before they are composited onto the canvas. Default 1.0 (opaque).
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
globalAlpha: function (alpha) {
|
|
|
|
this.context.globalAlpha = alpha;
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* With globalAlpha applied this sets how shapes and images are drawn onto the existing bitmap. Possible values: source-atop, source-in, source-out,
|
|
* source-over (default), destination-atop, destination-in, destination-out, destination-over, lighter, darker, copy and xor.
|
|
* @method Phaser.BitmapData#globalCompositeOperation
|
|
* @param {DOMString} operation - The composite operation to apply.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
globalCompositeOperation: function (operation) {
|
|
|
|
this.context.globalCompositeOperation = operation;
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Type of endings on the end of lines. Possible values: butt (default), round, square.
|
|
* @method Phaser.BitmapData#lineCap
|
|
* @param {DOMString} style - Possible values: butt (default), round, square
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
lineCap: function (style) {
|
|
|
|
this.context.lineCap = style;
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Specifies where to start a dasharray on a line.
|
|
* @method Phaser.BitmapData#lineDashOffset
|
|
* @param {number} offset - Specifies where to start a dasharray on a line.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
lineDashOffset: function (offset) {
|
|
|
|
this.context.lineDashOffset = offset;
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Defines the type of corners where two lines meet. Possible values: round, bevel, miter (default)
|
|
* @method Phaser.BitmapData#lineJoin
|
|
* @param {DOMString} join - Possible values: round, bevel, miter (default)
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
lineJoin: function (join) {
|
|
|
|
this.context.lineJoin = join;
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Width of lines. Default 1.0
|
|
* @method Phaser.BitmapData#lineWidth
|
|
* @param {number} width - Width of lines. Default 1.0
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
lineWidth: function (width) {
|
|
|
|
this.context.lineWidth = width;
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Default 10.
|
|
* @method Phaser.BitmapData#miterLimit
|
|
* @param {number} limit - Default 10.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
miterLimit: function (limit) {
|
|
|
|
this.context.miterLimit = limit;
|
|
return this;
|
|
|
|
},
|
|
|
|
// getImageData
|
|
// getLineDash
|
|
// isPointInPath
|
|
// isPointInStroke
|
|
|
|
/**
|
|
* Connects the last point in the subpath to the x, y coordinates with a straight line.
|
|
* @method Phaser.BitmapData#lineTo
|
|
* @param {number} x - The x axis of the coordinate for the end of the line.
|
|
* @param {number} y - The y axis of the coordinate for the end of the line.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
lineTo: function (x, y) {
|
|
|
|
this._dirty = true;
|
|
this.context.lineTo(x, y);
|
|
return this;
|
|
|
|
},
|
|
|
|
// measureText
|
|
|
|
/**
|
|
* Moves the starting point of a new subpath to the (x, y) coordinates.
|
|
* @method Phaser.BitmapData#moveTo
|
|
* @param {number} x - The x axis of the point.
|
|
* @param {number} y - The y axis of the point.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
moveTo: function (x, y) {
|
|
|
|
this.context.moveTo(x, y);
|
|
return this;
|
|
|
|
},
|
|
|
|
// putImageData
|
|
|
|
/**
|
|
* Draws a quadratic curve from the current drawing point to (x, y) using the control point (cpx, cpy).
|
|
* @method Phaser.BitmapData#quadraticCurveTo
|
|
* @param {Number} cpx - The x axis of the control point.
|
|
* @param {Number} cpy - The y axis of the control point.
|
|
* @param {Number} x - The x axis of the ending point.
|
|
* @param {Number} y - The y axis of the ending point.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
quadraticCurveTo: function(cpx, cpy, x, y) {
|
|
|
|
this._dirty = true;
|
|
this.context.quadraticCurveTo(cpx, cpy, x, y);
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Draws a rectangle at (x, y) position whose size is determined by width and height.
|
|
* @method Phaser.BitmapData#rect
|
|
* @param {number} x - The x axis of the coordinate for the rectangle starting point.
|
|
* @param {number} y - The y axis of the coordinate for the rectangle starting point.
|
|
* @param {number} width - The rectangles width.
|
|
* @param {number} height - The rectangles height.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
rect: function (x, y, width, height) {
|
|
|
|
this._dirty = true;
|
|
this.context.rect(x, y, width, height);
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Restores the drawing style state to the last element on the 'state stack' saved by save().
|
|
* @method Phaser.BitmapData#restore
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
restore: function () {
|
|
|
|
this._dirty = true;
|
|
this.context.restore();
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Rotates the drawing context values by r radians.
|
|
* @method Phaser.BitmapData#rotate
|
|
* @param {number} angle - The angle of rotation given in radians.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
rotate: function (angle) {
|
|
|
|
this._dirty = true;
|
|
this.context.rotate(angle);
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Sets the stroke style for the current sub-path. Like all drawing methods, this can be chained, so you can define
|
|
* the stroke style and color in a single line of code like so:
|
|
*
|
|
* ```myGraphics.setStrokeStyle(8,"round").beginStroke("#F00");```
|
|
*
|
|
* @method Phaser.BitmapData#setStrokeStyle
|
|
* @param {number} thickness - The width of the stroke.
|
|
* @param {string|number} [caps=0] - Indicates the type of caps to use at the end of lines. One of butt, round, or square. Defaults to "butt". Also accepts the values 0 (butt), 1 (round), and 2 (square) for use with he tiny API.
|
|
* @param {string|number} [joints=0] Specifies the type of joints that should be used where two lines meet. One of bevel, round, or miter. Defaults to "miter". Also accepts the values 0 (miter), 1 (round), and 2 (bevel) for use with the tiny API.
|
|
* @param {number} [miterLimit=10] - If joints is set to "miter", then you can specify a miter limit ratio which controls at what point a mitered joint will be clipped.
|
|
* @param {boolean} [ignoreScale=false] - If true, the stroke will be drawn at the specified thickness regardless of active transformations.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
setStrokeStyle: function (thickness, caps, joints, miterLimit, ignoreScale) {
|
|
|
|
if (typeof thickness === 'undefined') { thickness = 1; }
|
|
if (typeof caps === 'undefined') { caps = 'butt'; }
|
|
if (typeof joints === 'undefined') { joints = 'miter'; }
|
|
if (typeof miterLimit === 'undefined') { miterLimit = 10; }
|
|
|
|
// TODO
|
|
ignoreScale = false;
|
|
|
|
this.lineWidth(thickness);
|
|
this.lineCap(caps);
|
|
this.lineJoin(joints);
|
|
this.miterLimit(miterLimit);
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Saves the current drawing style state using a stack so you can revert any change you make to it using restore().
|
|
* @method Phaser.BitmapData#save
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
save: function () {
|
|
|
|
this._dirty = true;
|
|
this.context.save();
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Scales the current drawing context.
|
|
* @method Phaser.BitmapData#scale
|
|
* @param {number} x
|
|
* @param {number} y
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
scale: function (x, y) {
|
|
|
|
this._dirty = true;
|
|
this.context.scale(x, y);
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
*
|
|
* @method Phaser.BitmapData#scrollPathIntoView
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
scrollPathIntoView: function () {
|
|
|
|
this._dirty = true;
|
|
this.context.scrollPathIntoView();
|
|
return this;
|
|
|
|
},
|
|
|
|
// setLineDash
|
|
// setTransform
|
|
|
|
/**
|
|
* Strokes the subpaths with the current stroke style.
|
|
* @method Phaser.BitmapData#stroke
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
stroke: function () {
|
|
|
|
this._dirty = true;
|
|
this.context.stroke();
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Paints a rectangle which has a starting point at (x, y) and has a w width and an h height onto the canvas, using the current stroke style.
|
|
* @method Phaser.BitmapData#strokeRect
|
|
* @param {number} x - The x axis for the starting point of the rectangle.
|
|
* @param {number} y - The y axis for the starting point of the rectangle.
|
|
* @param {number} width - The rectangles width.
|
|
* @param {number} height - The rectangles height.
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
strokeRect: function (x, y, width, height) {
|
|
|
|
this._dirty = true;
|
|
this.context.strokeRect(x, y, width, height);
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Color or style to use for the lines around shapes. Default #000 (black).
|
|
* @method Phaser.BitmapData#strokeStyle
|
|
* @param {string} style - Color or style to use for the lines around shapes. Default #000 (black).
|
|
* @return {Phaser.BitmapData} The BitmapData instance this method was called on.
|
|
*/
|
|
strokeStyle: function (style) {
|
|
|
|
this.context.strokeStyle = style;
|
|
return this;
|
|
|
|
},
|
|
|
|
// strokeText
|
|
// transform
|
|
// translate
|
|
|
|
/**
|
|
* If the game is running in WebGL this will push the texture up to the GPU if it's dirty.
|
|
* This is called automatically if the BitmapData is being used by a Sprite, otherwise you need to remember to call it in your render function.
|
|
* @method Phaser.BitmapData#render
|
|
*/
|
|
render: function () {
|
|
|
|
if (this._dirty)
|
|
{
|
|
// Only needed if running in WebGL, otherwise this array will never get cleared down
|
|
if (this.game.renderType == Phaser.WEBGL)
|
|
{
|
|
PIXI.texturesToUpdate.push(this.baseTexture);
|
|
}
|
|
|
|
this._dirty = false;
|
|
}
|
|
|
|
}
|
|
|
|
};
|
|
|
|
Phaser.BitmapData.prototype.constructor = Phaser.BitmapData;
|
|
|
|
// EaselJS Tiny API emulation
|
|
|
|
/**
|
|
* Shortcut to moveTo.
|
|
* @method Phaser.BitmapData.prototype.mt
|
|
*/
|
|
Phaser.BitmapData.prototype.mt = Phaser.BitmapData.prototype.moveTo;
|
|
|
|
/**
|
|
* Shortcut to lineTo.
|
|
* @method Phaser.BitmapData.prototype.mt
|
|
*/
|
|
Phaser.BitmapData.prototype.lt = Phaser.BitmapData.prototype.lineTo;
|
|
|
|
/**
|
|
* Shortcut to arcTo.
|
|
* @method Phaser.BitmapData.prototype.at
|
|
*/
|
|
Phaser.BitmapData.prototype.at = Phaser.BitmapData.prototype.arcTo;
|
|
|
|
/**
|
|
* Shortcut to bezierCurveTo.
|
|
* @method Phaser.BitmapData.prototype.bt
|
|
*/
|
|
Phaser.BitmapData.prototype.bt = Phaser.BitmapData.prototype.bezierCurveTo;
|
|
|
|
/**
|
|
* Shortcut to quadraticCurveTo.
|
|
* @method Phaser.BitmapData.prototype.qt
|
|
*/
|
|
Phaser.BitmapData.prototype.qt = Phaser.BitmapData.prototype.quadraticCurveTo;
|
|
|
|
/**
|
|
* Shortcut to arc.
|
|
* @method Phaser.BitmapData.prototype.a
|
|
*/
|
|
Phaser.BitmapData.prototype.a = Phaser.BitmapData.prototype.arc;
|
|
|
|
/**
|
|
* Shortcut to rect.
|
|
* @method Phaser.BitmapData.prototype.r
|
|
*/
|
|
Phaser.BitmapData.prototype.r = Phaser.BitmapData.prototype.rect;
|
|
|
|
/**
|
|
* Shortcut to closePath.
|
|
* @method Phaser.BitmapData.prototype.cp
|
|
*/
|
|
Phaser.BitmapData.prototype.cp = Phaser.BitmapData.prototype.closePath;
|
|
|
|
/**
|
|
* Shortcut to clear.
|
|
* @method Phaser.BitmapData.prototype.c
|
|
*/
|
|
Phaser.BitmapData.prototype.c = Phaser.BitmapData.prototype.clear;
|
|
|
|
/**
|
|
* Shortcut to beginFill.
|
|
* @method Phaser.BitmapData.prototype.f
|
|
*/
|
|
Phaser.BitmapData.prototype.f = Phaser.BitmapData.prototype.beginFill;
|
|
|
|
/**
|
|
* Shortcut to beginLinearGradientFill.
|
|
* @method Phaser.BitmapData.prototype.lf
|
|
*/
|
|
Phaser.BitmapData.prototype.lf = Phaser.BitmapData.prototype.beginLinearGradientFill;
|
|
|
|
/**
|
|
* Shortcut to beginRadialGradientFill.
|
|
* @method Phaser.BitmapData.prototype.rf
|
|
*/
|
|
Phaser.BitmapData.prototype.rf = Phaser.BitmapData.prototype.beginRadialGradientFill;
|
|
|
|
/**
|
|
* Shortcut to beginBitmapFill.
|
|
* @method Phaser.BitmapData.prototype.bf
|
|
*/
|
|
//Phaser.BitmapData.prototype.bf = Phaser.BitmapData.prototype.beginBitmapFill;
|
|
|
|
/**
|
|
* Shortcut to endFill.
|
|
* @method Phaser.BitmapData.prototype.ef
|
|
*/
|
|
Phaser.BitmapData.prototype.ef = Phaser.BitmapData.prototype.endFill;
|
|
|
|
/**
|
|
* Shortcut to setStrokeStyle.
|
|
* @method Phaser.BitmapData.prototype.ss
|
|
*/
|
|
Phaser.BitmapData.prototype.ss = Phaser.BitmapData.prototype.setStrokeStyle;
|
|
|
|
/**
|
|
* Shortcut to beginStroke.
|
|
* @method Phaser.BitmapData.prototype.s
|
|
*/
|
|
Phaser.BitmapData.prototype.s = Phaser.BitmapData.prototype.beginStroke;
|
|
|
|
/**
|
|
* Shortcut to beginLinearGradientStroke.
|
|
* @method Phaser.BitmapData.prototype.ls
|
|
*/
|
|
Phaser.BitmapData.prototype.ls = Phaser.BitmapData.prototype.beginLinearGradientStroke;
|
|
|
|
/**
|
|
* Shortcut to beginRadialGradientStroke.
|
|
* @method Phaser.BitmapData.prototype.rs
|
|
*/
|
|
Phaser.BitmapData.prototype.rs = Phaser.BitmapData.prototype.beginRadialGradientStroke;
|
|
|
|
/**
|
|
* Shortcut to beginBitmapStroke.
|
|
* @method Phaser.BitmapData.prototype.bs
|
|
*/
|
|
// Phaser.BitmapData.prototype.bs = Phaser.BitmapData.prototype.beginBitmapStroke;
|
|
|
|
/**
|
|
* Shortcut to endStroke.
|
|
* @method Phaser.BitmapData.prototype.es
|
|
*/
|
|
// Phaser.BitmapData.prototype.es = Phaser.BitmapData.prototype.endStroke;
|
|
|
|
/**
|
|
* Shortcut to rect.
|
|
* @method Phaser.BitmapData.prototype.dr
|
|
*/
|
|
Phaser.BitmapData.prototype.dr = Phaser.BitmapData.prototype.rect;
|
|
|
|
/**
|
|
* Shortcut to drawRoundRect.
|
|
* @method Phaser.BitmapData.prototype.rr
|
|
*/
|
|
// Phaser.BitmapData.prototype.rr = Phaser.BitmapData.prototype.drawRoundRect;
|
|
|
|
/**
|
|
* Shortcut to drawRoundRectComplex.
|
|
* @method Phaser.BitmapData.prototype.rc
|
|
*/
|
|
// Phaser.BitmapData.prototype.rc = Phaser.BitmapData.prototype.drawRoundRectComplex;
|
|
|
|
/**
|
|
* Shortcut to drawCircle.
|
|
* @method Phaser.BitmapData.prototype.dc
|
|
*/
|
|
Phaser.BitmapData.prototype.dc = Phaser.BitmapData.prototype.circle;
|
|
|
|
/**
|
|
* Shortcut to drawEllipse.
|
|
* @method Phaser.BitmapData.prototype.de
|
|
*/
|
|
Phaser.BitmapData.prototype.de = Phaser.BitmapData.prototype.ellipse;
|
|
|
|
/**
|
|
* Shortcut to drawPolyStar.
|
|
* @method Phaser.BitmapData.prototype.dp
|
|
*/
|
|
// Phaser.BitmapData.prototype.dp = Phaser.BitmapData.prototype.drawPolyStar;
|
|
</pre>
|
|
</article>
|
|
</section>
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</div>
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<div class="clearfix"></div>
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<footer>
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|
|
|
<span class="copyright">
|
|
Phaser Copyright © 2012-2014 Photon Storm Ltd.
|
|
</span>
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<br />
|
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|
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<span class="jsdoc-message">
|
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Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.3.0-dev</a>
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on Wed Feb 05 2014 06:28:24 GMT-0000 (GMT) using the <a href="https://github.com/terryweiss/docstrap">DocStrap template</a>.
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</body>
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</html>
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