我已经下载并安装了 PDFSharp 1.5,但在使用私有字体时遇到问题。我在测试中创建了一个 pdf 创建器,效果很好。当我将其加载到 Azure 时,出现错误“无法加载字体”。研究发现他们没有任何加载的字体,所以我必须使用私有字体。我只能找到旧1.3版本的例子,方法也改成了新的。有人可以向我展示一个使用新版本 PDFSharp 的简单示例吗?
谢谢约翰
这是针对 PdfSharp 1.5 beta3b 的。这是一个完整且固定的示例,基于其他答案和其他问题的链接 - 但适用于 Arial。
将您想要的字体添加到您的项目中 - 在下面的示例中我放置Arial
in MyProject\fonts\arial\arial.ttf
等等。将每个字体文件设置为嵌入资源(属性 -> 构建操作)。
使用静态调用应用字体解析器,如下所示:
MyFontResolver.Apply(); // Ensures it's only applied once
这是字体解析器类:
class MyFontResolver : IFontResolver
{
public FontResolverInfo ResolveTypeface(string familyName, bool isBold, bool isItalic)
{
// Ignore case of font names.
var name = familyName.ToLower().TrimEnd('#');
// Deal with the fonts we know.
switch (name)
{
case "arial":
if (isBold)
{
if (isItalic)
return new FontResolverInfo("Arial#bi");
return new FontResolverInfo("Arial#b");
}
if (isItalic)
return new FontResolverInfo("Arial#i");
return new FontResolverInfo("Arial#");
}
// We pass all other font requests to the default handler.
// When running on a web server without sufficient permission, you can return a default font at this stage.
return PlatformFontResolver.ResolveTypeface(familyName, isBold, isItalic);
}
public byte[] GetFont(string faceName)
{
switch (faceName)
{
case "Arial#":
return LoadFontData("MyProject.fonts.arial.arial.ttf");;
case "Arial#b":
return LoadFontData("MyProject.fonts.arial.arialbd.ttf");;
case "Arial#i":
return LoadFontData("MyProject.fonts.arial.ariali.ttf");
case "Arial#bi":
return LoadFontData("MyProject.fonts.arial.arialbi.ttf");
}
return null;
}
/// <summary>
/// Returns the specified font from an embedded resource.
/// </summary>
private byte[] LoadFontData(string name)
{
var assembly = Assembly.GetExecutingAssembly();
// Test code to find the names of embedded fonts - put a watch on "ourResources"
//var ourResources = assembly.GetManifestResourceNames();
using (Stream stream = assembly.GetManifestResourceStream(name))
{
if (stream == null)
throw new ArgumentException("No resource with name " + name);
int count = (int)stream.Length;
byte[] data = new byte[count];
stream.Read(data, 0, count);
return data;
}
}
internal static MyFontResolver OurGlobalFontResolver = null;
/// <summary>
/// Ensure the font resolver is only applied once (or an exception is thrown)
/// </summary>
internal static void Apply()
{
if (OurGlobalFontResolver == null || GlobalFontSettings.FontResolver == null)
{
if (OurGlobalFontResolver == null)
OurGlobalFontResolver = new MyFontResolver();
GlobalFontSettings.FontResolver = OurGlobalFontResolver;
}
}
}
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