/// <summary>
/// Initializes a new instance of the <see cref="T:Dt.Pdf.BaseObject.PdfStream" /> class.
/// </summary>
/// <param name="filter">The filter.</param>
public PdfStream(PdfFilter filter)
{
this.data = new MemoryStream();
PdfDictionary dictionary = new PdfDictionary {
IsLabeled = false,
IsFix = true
};
this.properties = dictionary;
if (filter == null)
{
throw new PdfArgumentNullException("filter");
}
this.Filters.Enqueue(filter);
}
/// <summary>
/// Write Pdf object to Pdf writer
/// </summary>
/// <param name="writer">Pdf Writer</param>
public override void ToPdf(PdfWriter writer)
{
MemoryStream data = this.data;
if ((this.filters != null) && (this.filters.Count > 0))
{
data = new MemoryStream();
this.data.WriteTo(data);
PdfArray array = new PdfArray();
while (this.filters.Count > 0)
{
using (MemoryStream stream2 = new MemoryStream())
{
data.Seek(0L, SeekOrigin.Begin);
data.WriteTo(stream2);
stream2.Seek(0L, SeekOrigin.Begin);
data.Dispose();
data.Dispose();
data = new MemoryStream();
PdfFilter filter = this.filters.Dequeue();
filter.Encode(stream2, data, null);
array.Insert(0, filter.GetName());
continue;
}
}
if (array.Count == 1)
{
this.properties.Add(PdfName.Filter, array[0]);
}
else
{
this.properties.Add(PdfName.Filter, array);
}
}
this.properties[PdfName.Length] = new PdfNumber((double)data.Length);
PdfStreamWriter psw = writer.Psw;
this.properties.ToPdf(writer);
psw.WriteLineEnd();
psw.WriteBytes(streamPrefix).WriteLineEnd();
data.WriteTo(psw.Stream);
psw.WriteLineEnd().WriteBytes(streamSuffix);
psw.WriteLineEnd();
if (data != this.data)
{
data.Dispose();
}
}
private async void PdfButton_Click(object sender, RoutedEventArgs e)
{
// 現在、FlexGrid に表示されている順のデータ
var currentData = this.flexgrid1.Rows.Select(r => r.DataItem).Cast <Book>();
// FlexReportの定義を読み込む
var rpt = new C1FlexReport();
using (var stream = File.OpenRead("Assets/BooksReport.flxr"))
rpt.Load(stream, "BooksReport");
// データを連結
rpt.DataSource.Recordset = currentData.ToList(); // IEnumerable<T>は不可
// レポートを生成
await rpt.RenderAsync();
// 印刷する場合
//await rpt.ShowPrintUIAsync();
// PDF ファイルに直接保存する場合
var picker = new FileSavePicker()
{
SuggestedStartLocation = PickerLocationId.DocumentsLibrary
};
picker.FileTypeChoices.Add("PDF ファイル", new string[] { ".pdf", });
picker.SuggestedFileName = "BarCodeControlSample";
var file = await picker.PickSaveFileAsync();
if (file != null)
{
// 出力先となる PdfFilter オブジェクトを作成
var filter = new PdfFilter();
filter.StorageFile = file;
// Windows Forms 等では、filter.FileName = file.Path; とする
// ファイルへ出力
await rpt.RenderToFilterAsync(filter);
}
}
private async void btnSave_Click(object sender, RoutedEventArgs e)
{
FileSavePicker savePicker = new FileSavePicker();
savePicker.SuggestedStartLocation = PickerLocationId.DocumentsLibrary;
savePicker.FileTypeChoices.Add(Strings.PdfFile, new List <string>()
{
".pdf"
});
savePicker.DefaultFileExtension = ".pdf";
StorageFile file = await savePicker.PickSaveFileAsync();
if (file != null)
{
var pdf = new C1PdfDocument(PaperKind.Custom);
pdf.ConformanceLevel = PdfAConformanceLevel.PdfA2b;
var layout = rtb.ViewManager.PresenterInfo as C1PageLayout;
PdfFilter.PrintDocument(rtb.Document, pdf, layout.Padding);
await pdf.SaveAsync(file);
MessageDialog dlg = new MessageDialog(Strings.SaveMessage + file.Path, Strings.RtbSample);
await dlg.ShowAsync();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="T:PdfVersionDependStream" /> class.
/// </summary>
/// <param name="filter">The filter.</param>
public PdfVersionDependStream(PdfFilter filter) : base(filter)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="RenderPageAction"/> class.
/// </summary>
/// <param name="reader">
/// The reader.
/// </param>
/// <param name="stamper">
/// The stamper.
/// </param>
/// <param name="filter">
/// The filter.
/// </param>
/// <param name="render">
/// The render.
/// </param>
public RenderPageAction(PdfReader reader, PdfStamper stamper, PdfFilter filter, IPdfRender render)
: base(reader, stamper, filter)
{
this.render = render;
}
