@scandit/web-datacapture-core/build/js/chunks/chunk-ULRY4SXF.js

Scandit Data Capture SDK for the Web

import {a}from'./chunk-MW5PTAU7.js';import {a as a$2}from'./chunk-QHBIT2WY.js';import {a as a$1}from'./chunk-XR65N6EG.js';var s=(e=>(e.RGBA="RGBA",e.GRAYSCALE="GRAYSCALE",e))(s||{}),n=class extends a{constructor(){super(...arguments);this.colorType="RGBA";}get _initialized(){return this._texture!=null&&this._framebuffer!=null}readFromSource(e){this._initialized||this.setup(),this.updateFrameSizeIfNeeded();let i=this._framePool.pop();return this._contextWebGL.texImage2D(this._contextWebGL.TEXTURE_2D,0,this._contextWebGL.RGBA,this._contextWebGL.RGBA,this._contextWebGL.UNSIGNED_BYTE,e),this._contextWebGL.readPixels(0,0,this._contextWebGL.drawingBufferWidth,this._contextWebGL.drawingBufferHeight,this._contextWebGL.RGBA,this._contextWebGL.UNSIGNED_BYTE,i),{width:this._contextWebGL.drawingBufferWidth,height:this._contextWebGL.drawingBufferHeight,data:i,colorType:this.colorType}}setup(){this._texture=this._contextWebGL.createTexture(),this._texture==null&&a$1.log(a$1.Level.Warn,"Could not create texture from WebGLRenderingContext"),this._contextWebGL.bindTexture(this._contextWebGL.TEXTURE_2D,this._texture),this._framebuffer=this._contextWebGL.createFramebuffer(),this._framebuffer==null&&a$1.log(a$1.Level.Warn,"Could not create frameBuffer from WebGLRenderingContext"),this._contextWebGL.bindFramebuffer(this._contextWebGL.FRAMEBUFFER,this._framebuffer),this._contextWebGL.framebufferTexture2D(this._contextWebGL.FRAMEBUFFER,this._contextWebGL.COLOR_ATTACHMENT0,this._contextWebGL.TEXTURE_2D,this._texture,0),this._contextWebGL.texParameteri(this._contextWebGL.TEXTURE_2D,this._contextWebGL.TEXTURE_WRAP_S,this._contextWebGL.CLAMP_TO_EDGE),this._contextWebGL.texParameteri(this._contextWebGL.TEXTURE_2D,this._contextWebGL.TEXTURE_WRAP_T,this._contextWebGL.CLAMP_TO_EDGE),this._contextWebGL.texParameteri(this._contextWebGL.TEXTURE_2D,this._contextWebGL.TEXTURE_MIN_FILTER,this._contextWebGL.NEAREST),this._contextWebGL.texParameteri(this._contextWebGL.TEXTURE_2D,this._contextWebGL.TEXTURE_MAG_FILTER,this._contextWebGL.NEAREST);}dispose(){var e;this._texture!=null&&(this._contextWebGL.deleteTexture(this._texture),this._texture=null),this._framebuffer!=null&&(this._contextWebGL.deleteFramebuffer(this._framebuffer),this._framebuffer=null),(e=this._framePool)==null||e.empty();}updateFrameSizeIfNeeded(){var o;let{drawingBufferWidth:e,drawingBufferHeight:i}=this._contextWebGL,r=e*i*4;this._frameSize!==r&&(this._frameSize=r,(o=this._framePool)==null||o.empty(),this._framePool=new a$2({capacity:this._maxPoolCapacity,lowWaterMark:this._minPoolCapacity,createItem:()=>new Uint8ClampedArray(this._frameSize)}));}};export{s as a,n as b};