main repo

node_modules/three/examples/jsm/loaders/TIFFLoader.js

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+import {
+	DataTextureLoader,
+	LinearFilter,
+	LinearMipmapLinearFilter
+} from 'three';
+
+import UTIF from '../libs/utif.module.js';
+
+/**
+ * A loader for the TIFF texture format.
+ *
+ * ```js
+ * const loader = new TIFFLoader();
+ * const texture = await loader.loadAsync( 'textures/tiff/crate_lzw.tif' );
+ * texture.colorSpace = THREE.SRGBColorSpace;
+ * ```
+ *
+ * @augments DataTextureLoader
+ * @three_import import { TIFFLoader } from 'three/addons/loaders/TIFFLoader.js';
+ */
+class TIFFLoader extends DataTextureLoader {
+
+	/**
+	 * Constructs a new TIFF loader.
+	 *
+	 * @param {LoadingManager} [manager] - The loading manager.
+	 */
+	constructor( manager ) {
+
+		super( manager );
+
+	}
+
+	/**
+	 * Parses the given TIFF texture data.
+	 *
+	 * @param {ArrayBuffer} buffer - The raw texture data.
+	 * @return {DataTextureLoader~TexData} An object representing the parsed texture data.
+	 */
+	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 };