CustomFontSource

CustomFontSource delegate

自定义字体源提供函数

public delegate CustomFontData[] CustomFontSource(params object[] args);
范围类型描述
argsObject[]论据。

返回值

渲染图像的特定字体列表

例子

此示例演示了提供使用特定字体进行图像渲染的自定义字体源。与 FontSettings.SetFontsFolders 方法不同，它在图像范围内工作，并允许在多用户场景中提供字体。

[C#]

public void CustomFontSourceTest(string inputPath, string outputPath, string fileName, string fontPath)
{
    var loadOptions = new Aspose.Imaging.LoadOptions();
    loadOptions.AddCustomFontSource(GetFontSource, fontPath);
    using (var img = Image.Load(System.IO.Path.Combine(inputPath, fileName), loadOptions))
    {
        Aspose.Imaging.ImageOptions.VectorRasterizationOptions vectorRasterizationOptions =
            (Aspose.Imaging.ImageOptions.VectorRasterizationOptions)img.GetDefaultOptions(new object[] { Color.White, img.Width, img.Height });
        vectorRasterizationOptions.TextRenderingHint = Aspose.Imaging.TextRenderingHint.SingleBitPerPixel;
        vectorRasterizationOptions.SmoothingMode = Aspose.Imaging.SmoothingMode.None;

        img.Save(System.IO.Path.Combine(outputPath, fileName + ".png"), new Aspose.Imaging.ImageOptions.PngOptions
        {
            VectorRasterizationOptions = vectorRasterizationOptions
        });
    }
}

// 自定义字体提供程序示例。 
private Aspose.Imaging.CustomFontHandler.CustomFontData[] GetFontSource(params object[] args)
{
    string fontsPath = string.Empty;
    if (args.Length > 0)
    {
        fontsPath = args[0].ToString();
    }

    var customFontData = new System.Collections.Generic.List<Aspose.Imaging.CustomFontHandler.CustomFontData>();
    foreach (var font in System.IO.Directory.GetFiles(fontsPath))
    {
        customFontData.Add(new Aspose.Imaging.CustomFontHandler.CustomFontData(Path.GetFileNameWithoutExtension(font), System.IO.File.ReadAllBytes(font)));
    }

    return customFontData.ToArray();
}

也可以看看

CompositingQuality CustomLineCap