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default-layout	true	true	true	Dynamsoft Document Viewer API Reference - Interface ExtraPageData	Documentation, Dynamsoft Document Viewer, API Reference, Interface ExtraPageData	Interface ExtraPageData	Dynamsoft Document Viewer Documentation API Reference Interface ExtraPageData Page	/api/interface/idocument/extrapagedata.html

ExtraPageData

Syntax

interface ExtraPageData {
    index: number; 
    rotation?: number;
    filter?: string;
    perspectiveQuad?: Quad;
}

The page index to set extra data.

The rotation angle of specified page.

Remark

Only multiples of 90 degrees are supported.
Positive value means clockwise rotation, negative value means counterclockwise rotation.

The filter type of the specified page.

Remark

If imageFilter handler is not set, the filter type won't be applied to the specified page. Please refer to [setProcessingHandler()]({{ site.api }}namespace/ddv.html#static-setprocessinghandler) and [How to configure image filter]({{ site.features }}advanced/imagefilter.html).

The quadangle for perspective transformation in specified page. Please refer to [Quad]({{ site.api }}enumeration-type/quad.html).