Magnifier - Capture & Image Quality
Two settings control how the lens looks: the Capture Method, which decides how FriskyMouse reads the screen, and the Image Quality, which decides how the captured area is scaled up.
Capture methods
Section titled “Capture methods”Set the capture method with Capture Method on the Screen Magnifier page.
| Capture method | How it works | Lens behavior |
|---|---|---|
| GDI+ Capture (default) | Copies the screen area with the CPU and scales it in FriskyMouse | Targeting Mode, drag, nudge, image quality modes, and live refresh available |
| Magnification API | Uses the Windows Magnification API, hardware-accelerated by the Windows compositor, and includes the cursor | Lens follows the cursor; Targeting Mode and image quality modes not available |
Several settings apply only to GDI+ Capture and are hidden when you select Magnification API. The Settings page marks them.
Image quality modes
Section titled “Image quality modes”With GDI+ Capture, the Image Quality setting controls how the captured area is scaled up in the lens. The default is Enhanced (Sharp).
| Mode | Technique | Best for |
|---|---|---|
| Fast | Bilinear interpolation | Slower computers |
| Standard | Bicubic interpolation | Balanced quality and performance |
| Enhanced (Sharp) | Bicubic interpolation with sharpening | Text, icons, and fine UI details |
| Smooth (Blur) | Bicubic interpolation with a light Gaussian-style blur | High zoom levels where pixels show |
| Text Optimized | Light blur followed by sharpening | Reading small text at high zoom |
Sharpening amount
Section titled “Sharpening amount”The Sharpening Amount setting (0 to 100, default 50) controls the sharpening strength for Enhanced (Sharp) and Text Optimized. Higher values give crisper edges but can amplify noise. Text Optimized always uses a strength of at least 30.
Performance
Section titled “Performance”Higher quality modes do more processing for each captured frame. If the lens stutters on an older computer, choose Fast or lower the Refresh Rate (Hz) in Settings.