30 lines
1.3 KiB
TypeScript
30 lines
1.3 KiB
TypeScript
import { LogicalLevelTechnique } from "./logicalLevelTechnique";
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import { PhysicalLevelTechnique } from "./physicalLevelTechnique";
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import { PhysicalStreamType } from "./physicalStreamType";
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import type { LogicalStreamType } from "./logicalStreamType";
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import type IntWrapper from "../../decoding/intWrapper";
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export type StreamMetadata = {
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readonly physicalStreamType: PhysicalStreamType;
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readonly logicalStreamType: LogicalStreamType;
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readonly logicalLevelTechnique1: LogicalLevelTechnique;
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readonly logicalLevelTechnique2: LogicalLevelTechnique;
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readonly physicalLevelTechnique: PhysicalLevelTechnique;
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readonly numValues: number;
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readonly byteLength: number;
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/**
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* Returns the number of decompressed values.
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* For non-RLE streams, this is the same as numValues.
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* For RLE streams, this is overridden to return numRleValues.
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*/
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readonly decompressedCount: number;
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};
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export type MortonEncodedStreamMetadata = StreamMetadata & {
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readonly numBits: number;
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readonly coordinateShift: number;
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};
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export type RleEncodedStreamMetadata = StreamMetadata & {
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readonly runs: number;
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readonly numRleValues: number;
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};
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export declare function decodeStreamMetadata(tile: Uint8Array, offset: IntWrapper): StreamMetadata;
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