public static void Save(Dictionary <int, PdfiumPage> pages, string fileName)
{
var name = Path.GetFileNameWithoutExtension(fileName);
var book = new PdfiumBook();
book.Name = name;
book.Pages = new PdfiumPage[pages.Count];
int no = 0;
foreach (var p in pages.Values)
{
book.Pages[no++] = PdfiumPage.Encode(p);
}
if (File.Exists(fileName))
{
File.Delete(fileName);
}
using (var file = new StreamWriter(fileName))
{
Serializer.Serialize(file, book);
}
}
private void OnPdfiumPageTranslatedEvent(PdfiumPage p)
{
int page = pdfViewer.Renderer.Page;
if (p.No != page)
{
return;
}
this.InvokeIfRequired(() =>
{
if (!string.Equals(p.SourceText, _sourceText))
{
tbSourceText.TextChanged -= tbSourceText_TextChanged;
tbSourceText.Text = p.SourceText;
tbSourceText.TextChanged += tbSourceText_TextChanged;
_sourceText = p.SourceText;
}
if (!string.Equals(p.TargetText, _targetText))
{
tbTargetText.TextChanged -= tbTargetText_TextChanged;
tbTargetText.Text = p.TargetText;
tbTargetText.TextChanged += tbTargetText_TextChanged;
var text = p.TargetText;
UpdateMarkdown(text);
_targetText = p.TargetText;
}
});
}
private void TranslatePage(PdfiumPage p)
{
if (string.IsNullOrEmpty(p.SourceText))
{
p.Translated = true;
p.TargetText = null;
return;
}
var sourceCollection = SplitText(p.SourceText);
var t = new GoogleTranslate();
var targetBuilder = new StringBuilder();
int i = 0;
foreach (var sourceLine in sourceCollection)
{
i++;
if (string.IsNullOrEmpty(sourceLine))
{
targetBuilder.AppendLine();
continue;
}
var source = sourceLine.Trim();
if (string.IsNullOrEmpty(source))
{
targetBuilder.AppendLine();
continue;
}
string[] words = source.Split(tochka);
var target = new StringBuilder();
var pos = 0;
for (int j = 0; j < words.Length; j++)
{
var word = words[j];
var w = t.Translate(word, "English", "Russian");
if (t.Error != null)
{
MessageBox.Show(t.Error.Message, nameof(GoogleTranslate), MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
break;
}
target.Append(w);
pos += word.Length;
if (pos < source.Length)
{
var e = source[pos];
pos++;
target.Append(e);
}
}
targetBuilder.AppendLine(target.ToString());
}
p.TargetText = targetBuilder.ToString();
p.Translated = true;
}
public static PdfiumPage Encode(PdfiumPage p)
{
var page = new PdfiumPage();
page.No = p.No;
page.SourceText = Base64Encode(p.SourceText);
page.Translated = p.Translated;
page.TargetText = Base64Encode(p.TargetText);
return(page);
}
private PdfiumPage CreateOrGetPage(int page)
{
if (!_pages.ContainsKey(page))
{
var p = new PdfiumPage();
p.No = page;
var text = GetPDFText(page);
if (OnlyAscii)
{
text = Regex.Replace(text, @"[^\u0000-\u007F]", "");
}
p.SourceText = text;
_pages[page] = p;
HasSave = false;
}
return(_pages[page]);
}
private void TranslateWorker()
{
int page;
PdfiumPage p = null;
while (_queue.TryDequeue(out page))
{
HasSave = false;
PdfiumPageTranslateBegin?.Invoke();
p = _pages[page];
TranslatePage(p);
PdfiumPageEvent?.Invoke(p);
}
_translate = null;
PdfiumPageTranslateEnd?.Invoke();
}
public static Dictionary <int, PdfiumPage> Load(string fileName)
{
var pages = new Dictionary <int, PdfiumPage>();
if (!File.Exists(fileName))
{
return(pages);
}
PdfiumBook book;
using (var file = new StreamReader(fileName))
{
book = (PdfiumBook)Serializer.Deserialize(file);
}
foreach (var p in book.Pages)
{
var page = PdfiumPage.Decode(p);
pages.Add(page.No, page);
}
return(pages);
}