This article explains how to sign document with Text signature by GroupDocs.Signature API. Let's try to add digital signature to a PDF programmatically....Assembly Product Solution GroupDocs...
Produce a result document containing only the summary page — change counts and high-level statistics — using GroupDocs.Comparison for Python via .NET....Assembly Product Solution GroupDocs...
Learn how to merge GIF image files, combine GIF image files into one file programmatically in C# language using GroupDocs.Merger for .NET library....Assembly Product Solution GroupDocs...
Learn how to merge PNG image files, combine PNG image files into one file programmatically in C# language using GroupDocs.Merger for .NET library....Assembly Product Solution GroupDocs...
This article explains how to get the width and height of the document pages using .NET / C# with GroupDocs.Viewer for .NET....Assembly Product Solution GroupDocs...
Reading PNG metadata properties The GroupDocs.Metadata API supports extracting format-specific information from PNG images.
The following are the steps to read the native PNG metadata.
Load a PNG image Get the root metadata package Extract the native metadata package using PngRootPackage.getPngPackage Read the PNG metadata properties advanced_usage.managing_metadata_for_specific_formats.image.png.PngReadTextChunks
try (Metadata metadata = new Metadata(Constants.InputPng)) { PngRootPackage root = metadata.getRootPackageGeneric(); for (PngTextChunk chunk : root.getPngPackage().getTextChunks()) { System.out.println(chunk.getKeyword()); System.out.println(chunk.getText()); if (chunk instanceof PngCompressedTextChunk) { PngCompressedTextChunk compressedChunk = (PngCompressedTextChunk) chunk; System....Assembly Product Solution GroupDocs...