public sealed class ImageAnnotationContext : IMessage<ImageAnnotationContext>, IEquatable<ImageAnnotationContext>, IDeepCloneable<ImageAnnotationContext>, IBufferMessage, IMessage
If an image was produced from a file (e.g. a PDF), this message gives
information about the source of that image.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThis webpage details the \u003ccode\u003eImageAnnotationContext\u003c/code\u003e class within the \u003ccode\u003eGoogle.Cloud.Vision.V1\u003c/code\u003e namespace, part of the \u003ccode\u003eGoogle.Cloud.Vision.V1.dll\u003c/code\u003e assembly, outlining its role in providing information about the source of an image, especially from files like PDFs.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version documented on the page is version 3.7.0, and it provides version information going back to version 2.3.0 for \u003ccode\u003eImageAnnotationContext\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eImageAnnotationContext\u003c/code\u003e inherits from \u003ccode\u003eObject\u003c/code\u003e and implements several interfaces including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e, indicating its use within Google's Protobuf system.\u003c/p\u003e\n"],["\u003cp\u003eThe class includes two constructors: a default constructor, \u003ccode\u003eImageAnnotationContext()\u003c/code\u003e, and another that takes an \u003ccode\u003eImageAnnotationContext\u003c/code\u003e object as a parameter for copying, \u003ccode\u003eImageAnnotationContext(ImageAnnotationContext other)\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eImageAnnotationContext\u003c/code\u003e has two primary properties: \u003ccode\u003ePageNumber\u003c/code\u003e, an integer representing the page number if the image was from a PDF or TIFF file, and \u003ccode\u003eUri\u003c/code\u003e, a string containing the URI of the source file.\u003c/p\u003e\n"]]],[],null,[]]
