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Pixels Monitor

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This event starts the task when the condition of comparison of pixels on the screen or in the specified window is fulfilled. The parameter editor is very similar to the editor of the action "Wait for Pixels".

You can specify a set of pixels (one or several) in this trigger. You need to specify the necessary color and the tolerance of the comparison of pixels for every pixel.

You can specify the condition of color coincidence for a pixel set:

Match ALL of the following pixels (AND)
Match ANY of the following pixels (OR)

Thereby, you can specify the exactly enough condition of changes on the screen.

 

Source tab

When defining parameters, at first you need to specify the source of an image:

Window - This is a separate window. All coordinates of pixels will be determined concerning this window. If you have selected the window as a source, you need to specify the window parameters.
Entire screen - This is a screen with all visible windows.

The window parameters are similar to the parameters in the actions Window Snapshot, Window Command, Window Size and Position, and Window Elements loop.

 

ONPixels1

 

 

Window Parameters Mode

There are three options:

Use Window parameters - Use the Window Caption and the Window Class to look for the necessary window.

Use Window Handle - This is a search for a window by a handle. The handle can be got in the loop Window Loop, from the trigger Wait for Window or some other way.

Use current window - This is a current window in a moment of the executing of the action. This mode does not require any additional parameters.

 

Use Window parameters

Window Caption.

If you want to search for a window by means of its caption, switch on this checkbox and input the expected window caption. You can input only part of the caption. In this case the action will check availability of the input part in the window caption.

Caption Must Match Exactly.

If you need the exact coincidence of a window caption, switch on this checkbox.

 

Window Class.

If you want to search the window by a window class, switch on this checkbox and input the expected name of the window class. You can input only part of the name. In this case the action will check availability of the input line in the name of the window class.

Class Name Must Match Exactly.

If you need the exact coincidence of a window class, switch on this checkbox. Usually it is worthwhile to search by the whole class name, because a window class is permanent and does not change its value during the "life" of the window, unlike a caption.

 

Select Window on the Screen.

When pressing this button, you turn on the mechanism of selection a window on the screen. The window, which the mouse pointer  points on, highlights with a red frame. Meanwhile, you can use the mouse to perform some actions. To select the necessary window, press Ctrl. To cancel - press Esc. When selecting a window, the fields Window Caption and Window Class are filled in automatically.

 

Window Handle.

Input the expression containing a window handle. This parameter is used for the mode Use Window Handle. A window handle is just a number, identifier of a window in a current session of system work.

 

Pixels tab

You need to specify the pixel set for checking on this tab.

 

ONPixels2

 

 

Comparison mode

Match ALL of the following pixels (AND)
Match ANY of the following pixels (OR)

 

List of pixels

You can edit a list using the buttons Add, Edit and Remove.

By means of an edit window you can change pixel parameters both manually and by means of interactive instruments.

Pixel parameters:

X, Y - It is coordinates of a pixel from the left corner. If a source of a picture is a window, coordinates are determined from the upper left corner of the screen window.

Pattern color - This is a pattern of the color with which the action will compare the color of a pixel. Color is just a number. For comfort it is written in hexadecimal.

For example, $0066FF00 or $66FF00.

In hexadecimal you can write color using 6 symbols (as RGB): the first couple (younger) is red, the second couple is green, the third couple (elder) is blue color.

Tolerance - This is an accuracy of color coincidence. The error can be changed from 0 to 255 (in hex from 00 to FF). When it is 0, it is exact color coincidence. When it is 255, it is a coincidence with any color.

Tolerance is an acceptable difference between two colors for any component RGB (Red – Green - Blue). Every component of the color can ,be changed from 0 to 255 (FF in hexadecimal).

On default, the tolerance is 16.

 

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