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Documents/Pdf: Add progress tracker

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This commit is contained in:
Lorenz Stechauner
2023-10-19 22:16:33 +02:00
parent f19de3ae6e
commit c190ce1474
5 changed files with 34 additions and 17 deletions
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27
Elwig/Documents/Pdf.cs
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@ -21,7 +21,7 @@ namespace Elwig.Documents {
public static async Task Init(Action evtHandler) {
var p = new Process() { StartInfo = new() {
FileName = WinziPrint,
Arguments = "-",
Arguments = $"-p -e utf-8 -d '{App.TempPath}' -",
CreateNoWindow = true,
UseShellExecute = false,
RedirectStandardInput = true,
@ -32,20 +32,27 @@ namespace Elwig.Documents {
evtHandler();
}
public static async Task<IEnumerable<int>> Convert(string htmlPath, string pdfPath) {
return await Convert(new string[] { htmlPath }, pdfPath);
public static async Task<IEnumerable<int>> Convert(string htmlPath, string pdfPath, IProgress<double>? progress = null) {
return await Convert(new string[] { htmlPath }, pdfPath, progress);
}
public static async Task<IEnumerable<int>> Convert(IEnumerable<string> htmlPath, string pdfPath) {
public static async Task<IEnumerable<int>> Convert(IEnumerable<string> htmlPath, string pdfPath, IProgress<double>? progress = null) {
if (WinziPrintProc == null) throw new InvalidOperationException("The WinziPrint process has not been initialized yet");
progress?.Report(0.0);
await WinziPrintProc.StandardInput.WriteLineAsync($"{string.Join(';', htmlPath)};{pdfPath}");
var line = await WinziPrintProc.StandardOutput.ReadLineAsync() ?? throw new IOException("Invalid response from WinziPrint");
if (line.StartsWith("error:")) {
MessageBox.Show(line[6..].Trim(), "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
return Array.Empty<int>();
while (true) {
var line = await WinziPrintProc.StandardOutput.ReadLineAsync() ?? throw new IOException("Invalid response from WinziPrint");
if (line.StartsWith("error:")) {
MessageBox.Show(line[6..].Trim(), "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
return Array.Empty<int>();
} else if (line.StartsWith("progress:")) {
var parts = line[9..].Trim().Split('/').Select(int.Parse).ToArray();
progress?.Report(parts[0] / (double)parts[1]);
} else if (line.StartsWith("success:")) {
var m = Regex.Match(line, @"\(([0-9, ]+)\)");
return m.Groups[1].Value.Split(", ").Select(n => int.Parse(n));
}
}
var m = Regex.Match(line, @"\(([0-9, ]+)\)");
return m.Groups[1].Value.Split(", ").Select(n => int.Parse(n));
}
public static void Show(TempFile file, string title) {