Drynwhyl

[Bug] Pixel arithmetic results in error: Emgu.CV.Util.CvException: OpenCV: 0 <= roi.x && 0 <= roi.width && roi.x + roi.width <= m.cols && 0 <= roi.y && 0 <= roi.height && roi.y + roi.height <= m.rows

4

### System ```Text UVtools v4.4.1 X64 Operative system: Microsoft Windows 10.0.19045 X64 Processor: AMD Ryzen 5 7600 6-Core Processor Processor cores: 12 Memory RAM: 10.42 / 27.62 GB Runtime: win10-x64...