planning

node_modules/geotiff/dist-node/compression/packbits.js

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+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const basedecoder_js_1 = __importDefault(require("./basedecoder.js"));
+class PackbitsDecoder extends basedecoder_js_1.default {
+    decodeBlock(buffer) {
+        const dataView = new DataView(buffer);
+        const out = [];
+        for (let i = 0; i < buffer.byteLength; ++i) {
+            let header = dataView.getInt8(i);
+            if (header < 0) {
+                const next = dataView.getUint8(i + 1);
+                header = -header;
+                for (let j = 0; j <= header; ++j) {
+                    out.push(next);
+                }
+                i += 1;
+            }
+            else {
+                for (let j = 0; j <= header; ++j) {
+                    out.push(dataView.getUint8(i + j + 1));
+                }
+                i += header + 1;
+            }
+        }
+        return new Uint8Array(out).buffer;
+    }
+}
+exports.default = PackbitsDecoder;
+//# sourceMappingURL=packbits.js.map