Documents differences checking framework

Comparing PNG pictures using Java

Empower your Java, J2EE or J2SE applications with GroupDocs.Comparison API. Retrieve detailed information about any changes at your PNG pictures.

Use Java to comparing PNG files

Compare PNG files with GroupDocs.Comparison and retrieve relevant report about their alterations

  1. Install GroupDocs.Comparison for Java package downloading it from Maven
  2. Provide Comparer instance and pass path to PNG
  3. Add PNG files for further comparison
  4. Save report to local disk
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// Check files from your hard drive for differences or similarities

// Create a Comparer object by specifying the initial file
try (Comparer comparer = new Comparer("main.png") 
{
    // Include additional files to comparing
	comparer.add("version1.png");
    comparer.add("version2.png");
    comparer.add("version3.png");

    // Get the report with the specified name as the result
    final Path resultPath = comparer.compare("full_report.png"); 

    System.out.println("\nDocuments compared successfully.");
}
<dependencies> <dependency> <groupId>com.groupdocs</groupId> <artifactId>groupdocs-comparison</artifactId> <version></version> </dependency> </dependencies> <repositories> <repository> <id>repository.groupdocs.com</id> <name>GroupDocs Repository</name> <url>https://repository.groupdocs.com/repo/</url> </repository> </repositories>
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Be informed about GroupDocs.Comparison for Java API features

GroupDocs.Comparison developed as a native Java API suitable for composing detailed reports based on variations among different versions of images represented in PNG format. Not only PNG format is supported. A lot of useful features provided by our API.
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Find distinctions at different versions of PNG images via Java

GroupDocs.Comparison for Java API tracks alterations inside PNG pictures and composes demonstrative reports for further analyzing.

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