com.vaadin.testbench.screenshot.ImageComparison API 24.7.0.alpha6 | Vaadin

com.vaadin.testbench.screenshot.

java.lang.Object

com.vaadin.testbench.screenshot.ImageComparison

public class ImageComparison extends Object

Class with features for comparing 2 images.

Constructor Summary

Constructors

Constructor

Description

ImageComparison()
Method Summary

Modifier and Type

Method

Description

boolean

compareImages(BufferedImage referenceImage, BufferedImage screenshotImage, double errorTolerance)

boolean

imageEqualToReference(BufferedImage screenshotImage, BufferedImage referenceImage, String referenceFileName, double errorTolerance)

boolean

imageEqualToReference(BufferedImage screenshotImage, String referenceFileId, double errorTolerance, org.openqa.selenium.Capabilities capabilities)

Compare image [name] to image under /reference/.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- ImageComparison
  
  public ImageComparison()
Method Details
- imageEqualToReference
  
  public boolean imageEqualToReference(BufferedImage screenshotImage, String referenceFileId, double errorTolerance, org.openqa.selenium.Capabilities capabilities) throws IOException
  
  Compare image [name] to image under /reference/. Images may differ in RGB hues 0.1% (default) per macroblock of 16x16
  
  Parameters:
  
  screenshotImage - Image of canvas (must have proper dimensions)
  
  referenceFileId - File id for this image without .png extension
  
  errorTolerance - Allowed RGB error for a macroblock (value range 0-1 default 0.025 == 2.5%)
  
  capabilities - browser capabilities
  
  Returns:
  
  true if images are the same
  
  Throws:
  
  IOException - if the reference image cannot be read or error screenshot cannot be written
- imageEqualToReference
  
  public boolean imageEqualToReference(BufferedImage screenshotImage, BufferedImage referenceImage, String referenceFileName, double errorTolerance)
- compareImages
  
  public boolean compareImages(BufferedImage referenceImage, BufferedImage screenshotImage, double errorTolerance)