pdfextract API
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    Interface EmbeddedImage

    A source-resolution embedded raster appearance. Auxiliary masks are applied to the asset, not listed separately.

    interface EmbeddedImage {
        bitsPerComponent?: number;
        colorSpace?: string;
        hasAlpha: boolean;
        height: number;
        id: string;
        occurrences: ImageOccurrence[];
        warnings: ExtractionWarning[];
        width: number;
    }
    Index
    bitsPerComponent? colorSpace? hasAlpha height id occurrences warnings width
    bitsPerComponent?: number

    Original sample bit depth when available; exported PNG pixels are RGBA8.

    colorSpace?: string

    Engine-reported source color-space description when available.

    hasAlpha: boolean

    Whether masks or transparency require an alpha channel.

    height: number

    Native source height in pixels.

    id: string

    Opaque identifier for this document and appearance variant.

    occurrences: ImageOccurrence[]

    All selected placements of this appearance, retaining distinct repeated occurrences.

    warnings: ExtractionWarning[]

    Known limitations for this embedded appearance.

    width: number

    Native source width in pixels, independent of page placement size.

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