Description
In March I created a Windows Application Using Visual Studio Code, Cline, OpenRouter, and Claude. This was a program that created square screen captures. The user doesn't need to manually ensure the dimensions are a square. The program makes the window grow and shrink while keeping the length equal to the height.
In June I created an equivalent program on Linux using VSCodium, Cline, OpenRouter, and Claude.
I provided this prompt, which I derived from the last project.
==
Create a graphical Linux application to take screen captures with the following features:
Square Region Selection: Enforces a 1:1 aspect ratio during region selection
1:1 Aspect Ratio: Ensures all captures are perfectly square
PNG Output: Saves high-quality images in PNG format
Preview: Shows the captured image before saving
Dark Mode by Default: Toggle to light theme if desired
Square Interface: The application window itself uses a square ratio
Default Save Location: Set a preferred folder for saving captures
Automatic File Naming: Uses format "BejCap-YYYYMMDD###" for organized file management
I prefer C++ with Qt.
For shortcuts use Ctrl+S to Save the current image and Esc to Cancel region selection (when in region selection mode).
I do not want to capture to clipboard.
==
I also supplied these guidelines:
Always test the project at the end to ensure it doesn't contain errors.
Don't create placeholder code unless you plan to expand on it later.
Code from A to Z rather than just small parts that don't fulfill the user's needs.
Keep project files between 300-500 lines where possible.
Don't duplicate code. Build upon existing implementations.
==
I had to install the following to enable the program development:
**sudo apt install build-essential cmake qtbase5-dev qt5-qmake qtbase5-dev-tools **
The development seemed much faster than my last project, and the result works very well.
If you'd like to try it on Linux, you can access it here: https://github.com/taosecurity/BejSnap.
Copyright 2003-2020 Richard Bejtlich and TaoSecurity (taosecurity.blogspot.com and www.taosecurity.com)
In June I created an equivalent program on Linux using VSCodium, Cline, OpenRouter, and Claude.
I provided this prompt, which I derived from the last project.
==
Create a graphical Linux application to take screen captures with the following features:
Square Region Selection: Enforces a 1:1 aspect ratio during region selection
1:1 Aspect Ratio: Ensures all captures are perfectly square
PNG Output: Saves high-quality images in PNG format
Preview: Shows the captured image before saving
Dark Mode by Default: Toggle to light theme if desired
Square Interface: The application window itself uses a square ratio
Default Save Location: Set a preferred folder for saving captures
Automatic File Naming: Uses format "BejCap-YYYYMMDD###" for organized file management
I prefer C++ with Qt.
For shortcuts use Ctrl+S to Save the current image and Esc to Cancel region selection (when in region selection mode).
I do not want to capture to clipboard.
==
I also supplied these guidelines:
Always test the project at the end to ensure it doesn't contain errors.
Don't create placeholder code unless you plan to expand on it later.
Code from A to Z rather than just small parts that don't fulfill the user's needs.
Keep project files between 300-500 lines where possible.
Don't duplicate code. Build upon existing implementations.
==
I had to install the following to enable the program development:
**sudo apt install build-essential cmake qtbase5-dev qt5-qmake qtbase5-dev-tools **
The development seemed much faster than my last project, and the result works very well.
If you'd like to try it on Linux, you can access it here: https://github.com/taosecurity/BejSnap.
Copyright 2003-2020 Richard Bejtlich and TaoSecurity (taosecurity.blogspot.com and www.taosecurity.com)
Basic Information
ID
TAOSECURITY:8D4D967BDCCDEFAF9F1156756E796F87
Published
Nov 4, 2025 at 00:49