用C#/VB中的ImageMagick实现水平居中标注垂直定位

using ImageMagick;

public class ImageProcessor
{
    public void AddTextToImage(string imagePath, string text, string outputPath)
    {
        using (var image = new MagickImage(imagePath))
        {
            // 设置文本样式和位置
            var caption = new MagickGeometry(0, 0, image.Width, image.Height);
            caption.Gravity = Gravity.Center;
            caption.Fill = MagickColors.White;
            caption.Stroke = MagickColors.Black;
            caption.FontPointSize = 30;

            // 添加文本到图片
            image.Annotate(text, caption);

            // 保存处理后的图片
            image.Write(outputPath);
        }
    }
}

Imports ImageMagick

Public Class ImageProcessor
    Public Sub AddTextToImage(imagePath As String, text As String, outputPath As String)
        Using image As New MagickImage(imagePath)
            ' 设置文本样式和位置
            Dim caption As New MagickGeometry(0, 0, image.Width, image.Height)
            caption.Gravity = Gravity.Center
            caption.Fill = MagickColors.White
            caption.Stroke = MagickColors.Black
            caption.FontPointSize = 30

            ' 添加文本到图片
            image.Annotate(text, caption)

            ' 保存处理后的图片
            image.Write(outputPath)
        End Using
    End Sub
End Class