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Performance optimizations and more idiomatic .NET code may be added in the future.\n\nCopyright (c) 2025 Ho Tzin Mein\n\n## Projects\n\n- **XbrzSharp** – Core xBRZ upscaling logic (library)\n- **XbrzSharpTool** – Command-line tool for batch image upscaling\n\n## Usage\n\n### Command-Line Tool\n\n```sh\ndotnet run --project XbrzSharpTool -- \u003csource\u003e [scaling_factor]\n```\n\n- `\u003csource\u003e`: Path to the input image file or directory. If a directory is specified, all supported images in the directory will be upscaled.\n- `[scaling_factor]`: Optional integer (default: 2). Must be between 2 and 6.\n\nThe output will be saved as `\u003csource-image\u003e@\u003cfactor\u003ex.png` in the same directory as the input file(s).\n\n### Library API Example\n\nYou can use the `XbrzSharp` library in your own .NET projects for programmatic upscaling:\n\n```csharp\nusing System.Drawing;\nusing System.Drawing.Imaging;\nusing Xbrz;\n\n// Load your image as a Bitmap\nusing var bitmap = new Bitmap(\"input.png\");\n\n// Convert to ARGB int[] array\nint width = bitmap.Width, height = bitmap.Height;\nint[] srcPixels = new int[width * height];\nvar rect = new Rectangle(0, 0, width, height);\nvar data = bitmap.LockBits(rect, ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);\nSystem.Runtime.InteropServices.Marshal.Copy(data.Scan0, srcPixels, 0, srcPixels.Length);\nbitmap.UnlockBits(data);\n\n// Perform scaling\nint factor = 3;\nvar scaler = new XbrzScaler(factor, withAlpha: true);\nint[] scaledPixels = scaler.ScaleImage(srcPixels, null, width, height);\n\n// Convert back to Bitmap\nint scaledWidth = width * factor, scaledHeight = height * factor;\nvar scaledBitmap = new Bitmap(scaledWidth, scaledHeight, PixelFormat.Format32bppArgb);\nvar scaledRect = new Rectangle(0, 0, scaledWidth, scaledHeight);\nvar scaledData = scaledBitmap.LockBits(scaledRect, ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);\nSystem.Runtime.InteropServices.Marshal.Copy(scaledPixels, 0, scaledData.Scan0, scaledPixels.Length);\nscaledBitmap.UnlockBits(scaledData);\n\n// Save the result\nscaledBitmap.Save(\"output@3x.png\");\n```\n## Attribution for Test Assets\n\nTest inputs and expected outputs are copied from the xBRZ Java port by Stanio.\n\n## License\n\n- **Core library (`xBrzNet`)**: [GNU General Public License v3.0](https://www.gnu.org/licenses/gpl-3.0.html)\n- **Other code (tools, tests, helpers, documentation)**: [BSD Zero Clause License](https://spdx.org/licenses/0BSD.html)\n\nSee [LICENSE](LICENSE.md) for full license texts.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftzinmein%2Fxbrz-sharp","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ftzinmein%2Fxbrz-sharp","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftzinmein%2Fxbrz-sharp/lists"}