@arcgis/core/views/2d/engine/imagery/RasterBitmap.js

ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

/* COPYRIGHT Esri - https://js.arcgis.com/5.0.19/LICENSE.txt */
import{disposeMaybe as t}from"../../../../core/maybe.js";import{identity as e,translate as s,rotate as r,scaleByVec2 as i,multiply as h}from"../../../../core/libs/gl-matrix-2/math/mat3.js";import{create as a}from"../../../../core/libs/gl-matrix-2/factories/mat3f32.js";import{fromValues as u}from"../../../../core/libs/gl-matrix-2/factories/vec2f32.js";import{DisplayObject as o}from"../DisplayObject.js";import{createTransformTexture as n,createPixelMaskTexture as l,createRasterTexture as d,createColormapTexture as _}from"../../../webgl/rasterUtils.js";const x={bandCount:3,minOutput:0,maxOutput:1,minCutOff:[0,0,0],maxCutOff:[255,255,255],factor:[1/255,1/255,1/255],useGamma:!1,gamma:[1,1,1],gammaCorrection:[1,1,1],colormap:null,colormapOffset:null,stretchType:"none",type:"stretch"};class m extends o{constructor(t=null,e=null,s=null){super(),this._textureInvalidated=!0,this._colormapTextureInvalidated=!0,this._rasterTexture=null,this._maskTexture=null,this._rasterTextureBandIds=null,this._transformGridTexture=null,this._colormapTexture=null,this._colormap=null,this._supportsBilinearTexture=!0,this._processedTexture=null,this._highlightTexture=null,this.functionTextures=[],this.projected=!1,this.stencilRef=0,this.coordScale=[1,1],this._processed=!1,this._highlighted=!1,this._symbolizerParameters=null,this.height=null,this.isRendereredSource=!1,this.pixelRatio=1,this.resolution=0,this.rotation=0,this._source=null,this._mask=null,this.rawPixelData=null,this._suspended=!1,this._bandIds=null,this._interpolation=null,this._transformGrid=null,this.width=null,this.x=0,this.y=0,this.source=t,this.transformGrid=e,this.interpolation=s}destroy(){super.destroy(),this._disposeTextures()}get processedTexture(){return this._processedTexture}set processedTexture(t){this._processedTexture!==t&&(this._disposeTextures(!0),this._processedTexture=t)}get highlightTexture(){return this._highlightTexture}set highlightTexture(t){this._highlightTexture!==t&&(this._highlightTexture?.dispose(),this._highlightTexture=t),null==t&&(this._highlighted=!1)}get rasterTexture(){return this._rasterTexture}set rasterTexture(t){this._rasterTexture!==t&&(this._rasterTexture?.dispose(),this._rasterTexture=t),null==t&&(this.projected=!1)}get processed(){return this._processed}set processed(e){this._processed=e,e||(this.processedTexture=t(this.processedTexture),this.invalidateTexture())}get highlighted(){return this._highlighted}get symbolizerParameters(){return this._symbolizerParameters||x}set symbolizerParameters(t){this._symbolizerParameters!==t&&(this._symbolizerParameters=t,this._colormapTextureInvalidated=!0)}get source(){return this._source}set source(e){this._source!==e&&(this._source=e,this._rasterTexture&&(this._rasterTexture=t(this._rasterTexture),this._rasterTextureBandIds=null),this.projected=!1,this.invalidateTexture())}get mask(){return this._mask}set mask(e){this._mask!==e&&(this._mask=e,this._maskTexture=t(this._maskTexture))}get suspended(){return this._suspended}set suspended(t){this._suspended&&!t&&this.stage&&(this.ready(),this.requestRender()),this._suspended=t}get bandIds(){return this._bandIds}set bandIds(t){this._bandIds=t,this._isBandIdsChanged(t)&&(this.projected=!1,this.invalidateTexture())}get interpolation(){return this._interpolation||"nearest"}set interpolation(t){this._interpolation=t,this._rasterTexture&&this._rasterTexture.setSamplingMode("bilinear"===this._getTextureSamplingMethod(t||"nearest")?9729:9728)}get transformGrid(){return this._transformGrid}set transformGrid(e){this._transformGrid!==e&&(this._transformGrid=e,this._transformGridTexture=t(this._transformGridTexture))}invalidateTexture(){this._textureInvalidated||(this._textureInvalidated=!0,this.requestRender())}getRasterTextureSize(t=!1){const e=t||this.projected;return[e?this.width:this.source?.width||this.width,e?this.height:this.source?.height||this.height]}getRasterCellSize(){const t=this.rawPixelData?.srcPixelSize,{projected:e,resolution:s}=this;return t&&!e?[t.x,t.y]:[s,s]}_createTransforms(){return{displayViewScreenMat3:a()}}setTransform(t){const a=e(this.transforms.displayViewScreenMat3),[o,n]=t.toScreenNoRotation([0,0],[this.x,this.y]),l=this.resolution/this.pixelRatio/t.resolution,d=l*this.width,_=l*this.height,x=Math.PI*this.rotation/180;s(a,a,u(o,n)),s(a,a,u(d/2,_/2)),r(a,a,-x),s(a,a,u(-d/2,-_/2)),i(a,a,u(d,_)),h(this.transforms.displayViewScreenMat3,t.displayViewMat3,a)}getTextures({forProcessing:t=!1,useProcessedTexture:e=!1}={}){const s=e?this._processedTexture??this._rasterTexture:this._rasterTexture,r=[],i=[];return s?(this._transformGridTexture&&!this.projected&&(i.push(this._transformGridTexture),r.push("u_transformGrid")),i.push(s),r.push("u_image"),!this._colormapTexture||!e&&t||(i.push(this._colormapTexture),r.push("u_colormap")),this._maskTexture&&(i.push(this._maskTexture),r.push("u_mask")),{names:r,textures:i}):{names:r,textures:i}}onAttach(){this.invalidateTexture()}onDetach(){this.invalidateTexture()}updateTexture({context:t}){if(!this.stage)return void this._disposeTextures();const e=this._isValidSource(this.source);e&&this._colormapTextureInvalidated&&(this._colormapTextureInvalidated=!1,this._updateColormapTexture(t)),this._textureInvalidated&&(this._textureInvalidated=!1,this._createOrDestroyRasterTexture(t),this._rasterTexture&&(e?(this.transformGrid&&!this._transformGridTexture&&(this._transformGridTexture=n(t,this.transformGrid)),this._mask&&!this._maskTexture&&(this._maskTexture=l(t,this._mask,[this.width,this.height]))):this._rasterTexture.setData(null)),this.suspended||(this.ready(),this.requestRender()))}updateProcessedTexture(t=!0){t&&(this._highlighted=null!=this.highlightTexture);const{functionTextures:e}=this;0!==e.length&&(this.processedTexture=e.shift(),e.forEach(t=>t?.dispose()),e.length=0,this.processed=!!this.processedTexture)}_createOrDestroyRasterTexture(e){const s=this.source?.extractBands(this.bandIds);if(!this._isValidSource(s))return void(this._rasterTexture&&(this._rasterTexture=t(this._rasterTexture),this._rasterTextureBandIds=null));const r=!this._isBandIdsChanged(this.bandIds);if(this._rasterTexture){if(r)return;this._rasterTexture=t(this._rasterTexture),this._rasterTextureBandIds=null}this._supportsBilinearTexture=!!e.capabilities.textureFloatLinear;const i=this._getTextureSamplingMethod(this.interpolation),h=this.isRendereredSource;this._rasterTexture=d(e,s,i,h),this.projected=!1,this._processed=!1,this._rasterTextureBandIds=this.bandIds?[...this.bandIds]:null}_isBandIdsChanged(t){const e=this._rasterTextureBandIds;return!(null==e&&null==t||e&&e.join("")===t?.join(""))}_isValidSource(t){return null!=t&&t.pixels?.length>0}_getTextureSamplingMethod(t){const{type:e}=this.symbolizerParameters,s="lut"===e&&!this.symbolizerParameters.isClassBreaks||"hillshade"===e||"stretch"===e&&1===this.symbolizerParameters.bandCount;return!this._supportsBilinearTexture||s||"bilinear"!==t&&"cubic"!==t?"nearest":"bilinear"}_updateColormapTexture(e){const s=this._colormap,r=this.symbolizerParameters.colormap;return r?s?r.length!==s.length||r.some((t,e)=>t!==s[e])?(this._colormapTexture&&(this._colormapTexture=t(this._colormapTexture)),this._colormapTexture=_(e,r),void(this._colormap=r)):void 0:(this._colormapTexture=_(e,r),void(this._colormap=r)):(this._colormapTexture&&(this._colormapTexture=t(this._colormapTexture)),void(this._colormap=null))}_disposeTextures(e=!1){e?this.projected&&(this._transformGridTexture=t(this._transformGridTexture)):(this._rasterTexture=t(this._rasterTexture),this._colormapTexture=t(this._colormapTexture),this._transformGridTexture=t(this._transformGridTexture),this._maskTexture=t(this._maskTexture),this._rasterTextureBandIds=null,this._colormap=null,this._colormapTextureInvalidated=!0),this._processedTexture=t(this._processedTexture),this._highlightTexture=t(this._highlightTexture)}}class c extends m{get source(){return this._source}}export{m as RasterBitmap,c as RasterBitmapWithSource};