Lessica/TrollSpeed v1.10.0

on GitHub

• NEW Feature: Supports inverted color.

Developer Notes

This feature uses CABackdropLayer as the label background, with following CAFilters:

• kCAFilterGaussianBlur Gaussian Blur radius 50pt, normalized edges
• kCAFilterColorBrightness Brightness -30%
• kCAFilterColorContrast Contrast 500x
• kCAFilterColorSaturate Saturation 0
• kCAFilterColorInvert Color Inversion

Then follow the steps:

1. Make a CATextLayer as the backdrop layer's mask.
2. -setAttributedText: to the original label to hold the layout.
3. -setString: to the text layer.