/// <summary>
/// Note: Not stable.
/// </summary>
/// <param name="webview"></param>
private async void CreatePDF1(Android.Webkit.WebView webview)
{
//var pageCount = await GetPDFPageCount(webview);
PdfDocument document = new PdfDocument();
PdfDocument.Page page = document.StartPage(new PdfDocument.PageInfo.Builder(2120, 3000, 1).Create());
await Task.Delay(34);
webview.Draw(page.Canvas);
document.FinishPage(page);
Stream filestream = null;
FileOutputStream fos = null;
try
{
filestream = new MemoryStream();
fos = new Java.IO.FileOutputStream(fileNameWithPath, false);
document.WriteTo(filestream);
fos.Write(((MemoryStream)filestream).ToArray(), 0, (int)filestream.Length);
}
catch (Java.Lang.Exception e)
{
System.Console.WriteLine(e.Message);
}
finally
{
filestream?.Close();
fos?.Close();
}
document.Close();
OnPageLoadFinished?.Invoke(this, new EventArgs());
}
public override void OnPageFinished(global::Android.Webkit.WebView myWebview, string url)
{
PdfDocument document = new PdfDocument();
PdfDocument.Page page = document.StartPage(new PdfDocument.PageInfo.Builder(width, height, 1).Create());
myWebview.Draw(page.Canvas);
document.FinishPage(page);
Stream filestream = new MemoryStream();
Java.IO.FileOutputStream fos = new Java.IO.FileOutputStream(fileNameWithPath, false);
document.WriteTo(filestream);
fos.Write(((MemoryStream)filestream).ToArray(), 0, (int)filestream.Length);
fos.Close();
}
private void drawPage(PdfDocument.Page page)
{
Canvas canvas = page.Canvas;
int titleBaseLine = 72;
int leftMargin = 54;
Paint paint = new Paint();
paint.Color = Color.Black;
paint.TextSize = 36;
canvas.DrawText("Test Title", leftMargin, titleBaseLine, paint);
paint.TextSize = 11;
canvas.DrawText("Test paragraph", leftMargin, titleBaseLine + 25, paint);
paint.Color = Color.Blue;
canvas.DrawRect(100, 100, 172, 172, paint);
}
public override void OnWrite(PageRange[] pages, ParcelFileDescriptor destination, CancellationSignal cancellationSignal, WriteResultCallback callback)
{
int totalPages = 1;
for (int i = 0; i < totalPages; i++)
{
if (pageInRange(pages, i))
{
PdfDocument.Page[] writtenPagesArray;
PdfDocument.Page page = mPdfDocument.StartPage(i);
if (cancellationSignal.IsCanceled)
{
callback.OnWriteCancelled();
mPdfDocument.Close();
mPdfDocument = null;
return;
}
drawPage(page);
mPdfDocument.FinishPage(page);
}
}
try
{
FileOutputStream fileOutputStream = new FileOutputStream(destination.FileDescriptor);
MemoryStream stream = new MemoryStream();
mPdfDocument.WriteTo(stream);
byte[] bytes = stream.ToArray();
stream.Close();
fileOutputStream.Write(bytes);
}
catch (Java.IO.IOException e)
{
callback.OnWriteFailed(e.ToString());
return;
}
finally
{
mPdfDocument.Close();
mPdfDocument = null;
}
callback.OnWriteFinished(pages);
}
public void GeneratePdfFile(string text)
{
PrintAttributes printAttrs = new PrintAttributes.Builder()
.SetColorMode(PrintColorMode.Color)
.SetMediaSize(PrintAttributes.MediaSize.IsoA4)
.SetResolution(new PrintAttributes.Resolution("guardianHealthId", "TestReport", 592, 842))
.SetMinMargins(PrintAttributes.Margins.NoMargins)
.Build();
// Create a document
PdfDocument document = new PrintedPdfDocument(Android.App.Application.Context, printAttrs);
// Create a page description
// A4 : Page size
// pageWidth The page width in PostScript (1/72th of an inch)
// pageHeight The page height in PostScript(1 / 72th of an inch).
PageInfo pageInfo = new PageInfo.Builder(592, 842, 1).Create();
PdfDocument.Page page = document.StartPage(pageInfo);
Xamarin.Forms.Button btn = new Xamarin.Forms.Button();
// File to create page
File path = GetDirectoryPath();
System.IO.FileStream fileStream = new System.IO.FileStream(path.ToString(), System.IO.FileMode.Create);
Canvas canvas = page.Canvas;
Paint paint = new Paint();
canvas.DrawText("This is a demo pdf file.\n" + text, 10, 10, paint);
document.FinishPage(page);
document.WriteTo(fileStream);
document.Close();
fileStream.Close();
}
public override void OnPageFinished(Android.Webkit.WebView myWebview, string url)
{
PdfDocument document = new PdfDocument();
PdfDocument.Page page = document.StartPage(new PdfDocument.PageInfo.Builder(2120, 3000, 1).Create());
myWebview.Draw(page.Canvas);
document.FinishPage(page);
Stream filestream = new MemoryStream();
FileOutputStream fos = new Java.IO.FileOutputStream(fileNameWithPath, false);;
try
{
document.WriteTo(filestream);
fos.Write(((MemoryStream)filestream).ToArray(), 0, (int)filestream.Length);
fos.Close();
PdfPage.IsHtmlSet = true;
}
catch
{
PdfPage.IsHtmlSet = false;
}
}
