var __extends = (this && this.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
/**
* @module annie
*/
var annie;
(function (annie) {
/**
* 利用 Bitmap() 构造函数，可以创建包含对 BitmapData 对象的引用的 Bitmap 对象。
* 创建了 Bitmap 对象后，使用父 Sprite 实例的 addChild() 或 addChildAt() 方法将位图放在显示列表中。
* @class annie.Bitmap
* @public
* @extends annie.DisplayObject
* @since 1.0.0
*/
var Bitmap = (function (_super) {
__extends(Bitmap, _super);
/**
* 构造函数
* @method Bitmap
* @since 1.0.0
* @public
* @param {Image|Video|Canvas} bitmapData 一个HTMl Image的实例,小程序或者小游戏里则只能是一个图片的地址
* @param {annie.Rectangle} rect 设置显示Image的区域,不设置值则全部显示Image的内容，小程序或者小游戏里没有这个参数
* @example
* //html5
* var imgEle=new Image();
* imgEle.onload=function (e) {
* var bitmap = new annie.Bitmap(imgEle)
* //居中对齐
* bitmap.x = (s.stage.desWidth - bitmap.width) / 2;
* bitmap.y = (s.stage.desHeight - bitmap.height) / 2;
* s.addChild(bitmap);
* //截取图片的某一部分显示
* var rect = new annie.Rectangle(0, 0, 200, 200),
* rectBitmap = new annie.Bitmap(imgEle, rect);
* rectBitmap.x = (s.stage.desWidth - bitmap.width) / 2;
* rectBitmap.y = 100;
* s.addChild(rectBitmap);
* }
* imgEle.src='http://test.annie2x.com/test.jpg';
* //小程序或者小游戏
* var imgEle="http://test.annie2x.com/test.jpg";
* var bitmap=new annie.Bitmap(imgEle);
* s.addChild(bitmap);
*
* <p><a href="http://test.annie2x.com/annie/Bitmap/index.html" target="_blank">测试链接</a></p>
*/
function Bitmap(bitmapData) {
_super.call(this);
this._cacheCanvas = null;
this._bitmapData = null;
var s = this;
s._instanceType = "annie.Bitmap";
s.bitmapData = bitmapData;
}
Object.defineProperty(Bitmap.prototype, "bitmapData", {
/**
* <h4><font color="red">小游戏不支持 小程序不支持</font></h4>
* HTML的一个Image对象或者是canvas对象或者是video对象
* @property bitmapData
* @public
* @since 1.0.0
* @type {any}
* @default null
*/
get: function () {
return this._bitmapData;
},
set: function (value) {
var s = this;
if (typeof (value) == "string") {
var img = new Image();
img.src = value;
s.clearBounds();
s._bitmapData = img;
s._texture = img;
}
else {
if (value != s._bitmapData) {
s.clearBounds();
s._bitmapData = value;
s._texture = value;
}
}
},
enumerable: true,
configurable: true
});
Bitmap.prototype._onUpdateTexture = function () {
var s = this;
var texture = s._bitmapData;
if (!texture || texture.width == 0 || texture.height == 0) {
return;
}
var bw = texture.width;
var bh = texture.height;
if (s._bounds.width != bw || s._bounds.height != bh) {
s._bounds.width = bw;
s._bounds.height = bh;
s._updateSplitBounds();
if (s._filters.length > 0) {
s.a2x_uf = true;
}
s._texture = texture;
}
if (s.a2x_uf) {
s.a2x_uf = false;
s._needCheckDrawBounds = true;
if (!s._cacheCanvas) {
s._cacheCanvas = document.createElement("canvas");
}
var canvas = s._cacheCanvas;
canvas.width = bw;
canvas.heigth = bh;
canvas.style.width = Math.ceil(bw / annie.devicePixelRatio) + "px";
canvas.style.height = Math.ceil(bh / annie.devicePixelRatio) + "px";
var ctx = canvas.getContext("2d");
ctx.clearRect(0, 0, bw, bh);
////////////////////
ctx.drawImage(texture, 0, 0);
/////////////////////
var cf = s._filters;
var cfLen = cf.length;
if (cfLen > 0) {
var imageData = ctx.getImageData(0, 0, bw, bh);
for (var i = 0; i < cfLen; i++) {
cf[i].drawFilter(imageData);
}
ctx.putImageData(imageData, 0, 0);
s._texture = canvas;
}
else {
s._texture = texture;
}
}
if (s._needCheckDrawBounds) {
s._checkDrawBounds();
}
};
Bitmap.prototype._onUpdateMatrixAndAlpha = function () {
_super.prototype._onUpdateMatrixAndAlpha.call(this);
if (this.a2x_um) {
this._needCheckDrawBounds = true;
}
this.a2x_um = false;
this.a2x_ua = false;
};
/**
* <h4><font color="red">小游戏不支持 小程序不支持</font></h4>
* 从Bitmap中剥离出单独的小图以供特殊用途
* @method convertToImage
* @static
* @public
* @since 1.0.0
* @param {annie.Bitmap} bitmap
* @param {annie.Rectangle} rect 截图范围
* @param {boolean} isNeedImage 是否一定要返回img，如果不为true则有时返回的是canvas
* @return {Canvas|BitmapData}
* @example
* var spriteSheetImg = new Image(),
* rect = new annie.Rectangle(0, 0, 200, 200),
* yourBitmap = new annie.Bitmap(spriteSheetImg, rect);
* spriteSheetImg.onload=function(e){
* var singleSmallImg = annie.Bitmap.convertToImage(yourBitmap);//convertToImage是annie.Bitmap的一个静态方法
* console.log(singleSmallImg);
* }
* spriteSheetImg.src = 'http://test.annie2x.com/test.jpg';
*/
Bitmap.convertToImage = function (bitmap, rect, isNeedImage) {
if (isNeedImage === void 0) { isNeedImage = true; }
var _canvas;
if (isNeedImage) {
_canvas = annie.DisplayObject._canvas;
}
else {
_canvas = window.document.createElement("canvas");
}
var w = rect.width, h = rect.height, ctx = _canvas.getContext("2d");
_canvas.width = w;
_canvas.height = h;
ctx.drawImage(bitmap.bitmapData, rect.x, rect.y, w, h, 0, 0, w, h);
if (isNeedImage) {
var img = new Image();
img.src = _canvas.toDataURL();
return img;
}
else {
return _canvas;
}
};
Bitmap.prototype.destroy = function () {
//清除相应的数据引用
var s = this;
_super.prototype.destroy.call(this);
s._bitmapData = null;
s._cacheCanvas = null;
};
return Bitmap;
}(annie.DisplayObject));
annie.Bitmap = Bitmap;
})(annie || (annie = {}));