37 lines
		
	
	
		
			572 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			37 lines
		
	
	
		
			572 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | import { | ||
|  | 	DataTextureLoader, | ||
|  | 	LinearFilter, | ||
|  | 	LinearMipmapLinearFilter | ||
|  | } from 'three'; | ||
|  | 
 | ||
|  | import UTIF from '../libs/utif.module.js'; | ||
|  | 
 | ||
|  | class TIFFLoader extends DataTextureLoader { | ||
|  | 
 | ||
|  | 	constructor( manager ) { | ||
|  | 
 | ||
|  | 		super( manager ); | ||
|  | 
 | ||
|  | 	} | ||
|  | 
 | ||
|  | 	parse( buffer ) { | ||
|  | 
 | ||
|  | 		const ifds = UTIF.decode( buffer ); | ||
|  | 		UTIF.decodeImage( buffer, ifds[ 0 ] ); | ||
|  | 		const rgba = UTIF.toRGBA8( ifds[ 0 ] ); | ||
|  | 
 | ||
|  | 		return { | ||
|  | 			width: ifds[ 0 ].width, | ||
|  | 			height: ifds[ 0 ].height, | ||
|  | 			data: rgba, | ||
|  | 			flipY: true, | ||
|  | 			magFilter: LinearFilter, | ||
|  | 			minFilter: LinearMipmapLinearFilter | ||
|  | 		}; | ||
|  | 
 | ||
|  | 	} | ||
|  | 
 | ||
|  | } | ||
|  | 
 | ||
|  | export { TIFFLoader }; |