Magick.NET库测试
private void button4_Click(object sender, EventArgs e){uint width = 100;uint height = 100;int[,] pixels = new int[height, width];for (int y = 0; y < height; y++){for (int x = 0; x < width; x++){// 示例:生成简单的渐变效果byte red = (byte)(x * 255 / width);byte green = (byte)(y * 255 / height);byte blue = (byte)((x + y) * 255 / (width + height));pixels[y, x] = (red << 16) | (green << 8) | blue; // RGB格式存储为整数}}using (var image = new MagickImage(MagickColor.FromRgba(0, 0, 0, 255), width, height)){for (var y = 0; y < height; y++){for (var x = 0; x < width; x++){int pixelValue = pixels[y, x];byte r = (byte)((pixelValue >> 16) & 0xFF);byte g = (byte)((pixelValue >> 8) & 0xFF);byte b = (byte)((pixelValue >> 0) & 0xFF);Pixel p = new Pixel(x, y, new byte[] { r, g, b });image.GetPixels().SetPixel(p);}}image.Settings.Font = this.Font.Name;image.Settings.FillColor = MagickColors.Red;image.Settings.StrokeColor = MagickColors.Red;image.Annotate("test",Gravity.Center);image.Write("D:\\1.bmp");image.Format = MagickFormat.Bmp;using (var stream = new MemoryStream()){image.Write(stream);stream.Position = 0;var bitmap = new Bitmap(stream);pictureBox1.Image?.Dispose();pictureBox1.Image = bitmap;}}}
生成图像大小可40000x40000,对大size图像支持较好,并实现了高斯模糊、Resize、裁剪、压缩、旋转等常见操作。