GMASK

      GMASKIt is a professional mosaic processing tool that can achieve frosted glass effect, color inversion and the addition or removal of various mosaic effects. It is very convenient.

How to use

​ ​ 1. Open the picture:
First, download the GMask software. This is an easy-to-operate, uncomplicated software. It does not have an installation program. You only need to decompress it and place GMASK.EXE on the desktop or start menu to use it. After you open it, open the old file from the upper left corner and select the image you want to process.
​ ​ 2. How to quickly enlarge the window:
After selecting the file and opening it, click "Quick Zoom" in "Display Options", or press the Shift + F1 keys to control whether to display this window. The small square in the center of the picture is the "Quick Zoom" (mosaic) effect. You can use this small window to control the picture, which is very convenient.
3.Set the range you want to add mosaic (encryption):
You can use the left mouse button to drag to select, and you can drag it regardless of the starting position, or you can also right-click the image or select the range of the options menu... and a dialog box will appear to set it. After you select the range, the range to be increased will be surrounded by grid lines.
4. Add mosaic:
This software provides several different mosaic methods, located on the far right of the button icon (the top second layer).
From right to left, in order:
CP mosaic, QO mosaic, FL mosaic, forward MEKO mosaic, reverse MEKO mosaic, WIN mosaic, horizontal frosted glass, vertical frosted glass, positive and negative film reversal, left and right reversal, up and down reversal, XOROX80, change RGB value.
                             Just select the range of the area where you want to increase the amount, and then click on the method you want to increase the amount, and you will get the desired effect.
In addition, the coder can of course also use the reverse operation to decode.