6 lines
19 KiB
JavaScript
6 lines
19 KiB
JavaScript
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/**
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* @monogrid/gainmap-js v3.4.0
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* With ❤️, by MONOGRID <gainmap@monogrid.com>
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*/
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!function(e,r){"object"==typeof exports&&"undefined"!=typeof module?r(exports,require("three")):"function"==typeof define&&define.amd?define(["exports","three"],r):r((e="undefined"!=typeof globalThis?globalThis:e||self)["@monogrid/gainmap-js"]={},e.three)}(this,function(e,r){"use strict";const t=(e,t,a)=>{let i;switch(e){case r.UnsignedByteType:i=new Uint8ClampedArray(t*a*4);break;case r.HalfFloatType:i=new Uint16Array(t*a*4);break;case r.UnsignedIntType:i=new Uint32Array(t*a*4);break;case r.ByteType:i=new Int8Array(t*a*4);break;case r.ShortType:i=new Int16Array(t*a*4);break;case r.IntType:i=new Int32Array(t*a*4);break;case r.FloatType:i=new Float32Array(t*a*4);break;default:throw new Error("Unsupported data type")}return i};let a;class i{_renderer;_rendererIsDisposable=!1;_material;_scene;_camera;_quad;_renderTarget;_width;_height;_type;_colorSpace;_supportsReadPixels=!0;constructor(e){this._width=e.width,this._height=e.height,this._type=e.type,this._colorSpace=e.colorSpace;const n={format:r.RGBAFormat,depthBuffer:!1,stencilBuffer:!1,type:this._type,colorSpace:this._colorSpace,anisotropy:void 0!==e.renderTargetOptions?.anisotropy?e.renderTargetOptions?.anisotropy:1,generateMipmaps:void 0!==e.renderTargetOptions?.generateMipmaps&&e.renderTargetOptions?.generateMipmaps,magFilter:void 0!==e.renderTargetOptions?.magFilter?e.renderTargetOptions?.magFilter:r.LinearFilter,minFilter:void 0!==e.renderTargetOptions?.minFilter?e.renderTargetOptions?.minFilter:r.LinearFilter,samples:void 0!==e.renderTargetOptions?.samples?e.renderTargetOptions?.samples:void 0,wrapS:void 0!==e.renderTargetOptions?.wrapS?e.renderTargetOptions?.wrapS:r.ClampToEdgeWrapping,wrapT:void 0!==e.renderTargetOptions?.wrapT?e.renderTargetOptions?.wrapT:r.ClampToEdgeWrapping};if(this._material=e.material,e.renderer?this._renderer=e.renderer:(this._renderer=i.instantiateRenderer(),this._rendererIsDisposable=!0),this._scene=new r.Scene,this._camera=new r.OrthographicCamera,this._camera.position.set(0,0,10),this._camera.left=-.5,this._camera.right=.5,this._camera.top=.5,this._camera.bottom=-.5,this._camera.updateProjectionMatrix(),!((e,i,n,s)=>{if(void 0!==a)return a;const o=new r.WebGLRenderTarget(1,1,s);i.setRenderTarget(o);const d=new r.Mesh(new r.PlaneGeometry,new r.MeshBasicMaterial({color:16777215}));i.render(d,n),i.setRenderTarget(null);const p=t(e,o.width,o.height);return i.readRenderTargetPixels(o,0,0,o.width,o.height,p),o.dispose(),d.geometry.dispose(),d.material.dispose(),a=0!==p[0],a})(this._type,this._renderer,this._camera,n)){let e;if(this._type===r.HalfFloatType)e=this._renderer.extensions.has("EXT_color_buffer_float")?r.FloatType:void 0;void 0!==e?(console.warn(`This browser does not support reading pixels from ${this._type} RenderTargets, switching to ${r.FloatType}`),this._type=e):(this._supportsReadPixels=!1,console.warn("This browser dos not support toArray or toDataTexture, calls to those methods will result in an error thrown"))}this._quad=new r.Mesh(new r.PlaneGeometry,this._material),this._quad.geometry.computeBoundingBox(),this._scene.add(this._quad),this._renderTarget=new r.WebGLRenderTarget(this.width,this.height,n),this._renderTarget.texture.mapping=void 0!==e.renderTargetOptions?.mapping?e.renderTargetOptions?.mapping:r.UVMapping}static instantiateRenderer(){const e=new r.WebGLRenderer;return e.setSize(128,128),e}render=()=>{this._renderer.setRenderTarget(this._renderTarget);try{this._renderer.render(this._scene,this._camera)}catch(e){throw this._renderer.setRenderTarget(null),e}this._renderer.setRenderTarget(null)};toArray(){if(!this._supportsReadPixels)throw new Error("Can't read pixels in this browser");const e=t(this._type,this._width,this._height);return this._renderer.readRenderTargetPixels(this._renderTarget,0,0,this._width,this._height,e),e}toDataTexture(e){const t=new r.DataTexture(this.toArray(),this.width,this.height,r.RGBAFormat,this._type,e?.mapping||r.UVMapping,e?.wrapS||r.ClampToEdgeWrapping,e?.wrapT||r.ClampToEdgeWrapping,e?.magFilter||r.LinearFilter,e?.minFilter||r.LinearFilter,e?.anisotropy||1,r.LinearSRGBColorSpace)
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