SilkTest User's Guide: Bitmap Tool

<< Bitmap Tool - Using bitmap functions | Bitmap Tool - Comparison commands >>

Bitmap Tool - Comparing bitmaps

<< Bitmap Tool - Using bitmap functions | Bitmap Tool - Comparison commands >>

414

User's Guide

23 U

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Comparing bitmaps

Enter a file name in the Bitmap File Name field. Use the Browse
pushbutton to help select a directory name.

Select a radio button: Entire Window, Client Area of Window, or Portion
of Window, and click OK.

Note The Portion of Window radio button is identical to Capture/
Rectangle in the bitmap tool. To capture a portion of the window,
move the mouse cursor to the desired location to begin capture.
While pressing and holding the left mouse button, drag the mouse to
outline a rectangle, and then release the mouse button to capture the
bitmap.

Note Keep in mind that during the capture of a bitmap, SilkTest
always adds a bitmap footer to the bitmap file on the disk. This
means that the physical size of the bitmap will be slightly bigger
than if you capture the bitmap in the bitmap tool. The bitmap footer
always contains the window tag for a given bitmap.

Comparing bitmaps

The Windows Bitmap Tool has four major comparison commands -- Show,
Zoom, Scan, and Comparison Statistics. You can also use masks to alter the
tool's comparison capabilities. Masks are described in "Creating and
applying masks" on page 419.