private static void Convert(ConversionSource conversionSource)
{
var processStartInfo = GetProcessStartInfo();
var process = Process.Start(processStartInfo);
process.Convert(conversionSource);
}
private static string SerializeToJson(ConversionSource conversionSource)
{
using (var stream = new MemoryStream())
{
new DataContractJsonSerializer(typeof(ConversionSource)).WriteObject(stream, conversionSource);
stream.Position = 0;
return new StreamReader(stream).ReadToEnd();
}
}
private static void ConvertToPdf(ConversionSource conversionSource)
{
using (var wkhtmlToPdfContext = WkHtmlToPdfContext.Create())
{
foreach (var globalSetting in conversionSource.GlobalSettings)
{
WkHtmlToX.WkHtmlToPdf.wkhtmltopdf_set_global_setting(wkhtmlToPdfContext.GlobalSettingsPointer,
globalSetting.Key,
globalSetting.Value);
}
foreach (var objectSetting in conversionSource.ObjectSettings)
{
WkHtmlToX.WkHtmlToPdf.wkhtmltopdf_set_object_setting(wkhtmlToPdfContext.ObjectSettingsPointer,
objectSetting.Key,
objectSetting.Value);
}
wkhtmlToPdfContext.Convert(conversionSource.Html);
}
}
private static string SerializeToBase64EncodedString(ConversionSource conversionSource)
{
var result = SerializeToJson(conversionSource);
return System.Convert.ToBase64String(Encoding.UTF8.GetBytes(result));
}
private static void WriteToStandardInput(this Process process, ConversionSource conversionSource)
{
process.StandardInput.Write(SerializeToBase64EncodedString(conversionSource));
process.StandardInput.Close();
}
private static void Convert(this Process process, ConversionSource conversionSource)
{
process.WriteToStandardInput(conversionSource);
process.WaitForExit();
RaiseExceptionIfErrorOccured(process);
}
private static ConversionSource ToConversionSource(string html, IDictionary<string, string> globalSettings, IDictionary<string, string> objectSettings)
{
var conversionSource = new ConversionSource
{
Html = html,
GlobalSettings = globalSettings,
ObjectSettings = objectSettings
};
return conversionSource;
}
