You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
72 lines
2.5 KiB
72 lines
2.5 KiB
import { SpriteFrame, Texture2D } from "cc";
|
|
|
|
export default class FileTools{
|
|
// base64生成Texture2D
|
|
static base64ToTexture2D(base64: string, callback: (this: void, texture: Texture2D) => void) {
|
|
// if (base64) {
|
|
// var img = new Image();
|
|
// img.onload = function () {
|
|
// var texture = new Texture2D();
|
|
// texture.initWithElement(img);
|
|
// texture.handleLoadedTexture();
|
|
// if (callback) callback(texture);
|
|
// }
|
|
// img.onerror = function (err) {
|
|
// }
|
|
// if ((<any>base64).startsWith !== undefined && (<any>base64).startsWith("data:image")) {
|
|
// img.src = base64;
|
|
// } else {
|
|
// img.src = "data:image/png;base64," + base64;
|
|
// }
|
|
// } else {
|
|
// if (callback) callback(null);
|
|
// }
|
|
}
|
|
|
|
// base64生成cc.SpriteFrame
|
|
static base64ToSpriteFrame(base64: string, callback: (this: void, spriteFrame: SpriteFrame) => void) {
|
|
// this.base64ToTexture2D(base64, (texture: Texture2D) => {
|
|
// if (texture) {
|
|
// var newframe = new SpriteFrame(texture);
|
|
// if (callback) callback(newframe);
|
|
// } else {
|
|
// if (callback) callback(null);
|
|
// }
|
|
// });
|
|
}
|
|
|
|
static getBase64ImageByCCTexture(texture: Texture2D, callback) {
|
|
//this.getBase64ImageByUrl(texture.url, callback);
|
|
}
|
|
|
|
static getBase64ImageByCCSpriteFrame(texture: SpriteFrame, callback) {
|
|
// this.getBase64ImageByUrl(texture.getTexture().url, callback);
|
|
}
|
|
|
|
static getBase64ImageByUrl(url: string, callback) {
|
|
var canvas = document.createElement("CANVAS");
|
|
var ctx = canvas["getContext"]('2d');
|
|
var img = new Image;
|
|
img.crossOrigin = 'Anonymous';
|
|
//'res/raw-assets/' +
|
|
img.src = url;
|
|
img.onload = function () {
|
|
canvas["height"] = img.height;
|
|
canvas["width"] = img.width;
|
|
ctx.drawImage(img, 0, 0);
|
|
var dataURL = canvas["toDataURL"]('image/png');
|
|
canvas = null;
|
|
if (callback) callback(dataURL);
|
|
}
|
|
}
|
|
|
|
static arrayBuffer(_result:string): ArrayBuffer {
|
|
|
|
let charArr: Array<any> = [];
|
|
for (var i = 0; i < _result.length; i++) { // 取出文本的charCode（10进制）
|
|
charArr.push(_result.charCodeAt(i));
|
|
}
|
|
let array: Uint8Array = new Uint8Array(charArr);
|
|
return array;
|
|
}
|
|
}
|