/// <summary>
/// Adjust image drawing area for both aspect ratio and content alignment
/// </summary>
/// <param name="ImageWidthPix">Image width in pixels.</param>
/// <param name="ImageHeightPix">Image height in pixels.</param>
/// <param name="DrawArea">Drawing area rectangle</param>
/// <param name="Alignment">Content alignment.</param>
/// <returns>Adjusted drawing area rectangle</returns>
public static PdfRectangle ImageArea(
Int32 ImageWidthPix,
Int32 ImageHeightPix,
PdfRectangle DrawArea,
ContentAlignment Alignment
)
{
return(ImageArea(ImageWidthPix, ImageHeightPix, DrawArea.Left, DrawArea.Bottom, DrawArea.Width, DrawArea.Height, Alignment));
}
/// <summary>
/// Copy constructor
/// </summary>
/// <param name="Rect">Source rectangle</param>
public PdfRectangle(
PdfRectangle Rect
)
{
this.Left = Rect.Left;
this.Bottom = Rect.Bottom;
this.Right = Rect.Right;
this.Top = Rect.Top;
return;
}
/// <summary>
/// PDF table style default constructor.
/// </summary>
/// <param name="Font">Font</param>
public PdfTableStyle(
PdfFont Font = null
)
{
Alignment = ContentAlignment.TopLeft;
BackgroundColor = Color.Empty;
TextBoxLineBreakFactor = 0.5;
TextBoxTextJustify = TextBoxJustify.Left;
this.Font = Font;
FontSize = 9.0;
Margin = new PdfRectangle();
ForegroundColor = Color.Black;
TextDrawStyle = DrawStyle.Normal;
return;
}
/// <summary>
/// PDF X Object constructor
/// </summary>
/// <param name="Document">PDF document</param>
/// <param name="Width">X Object width</param>
/// <param name="Height">X Object height</param>
public PdfXObject(
PdfDocument Document,
Double Width = 1.0,
Double Height = 1.0
)
: base(Document, "/XObject")
{
// create resource code
ResourceCode = Document.GenerateResourceNumber('X');
// add subtype to dictionary
Dictionary.Add("/Subtype", "/Form");
// set boundig box rectangle
Rect = new PdfRectangle(0.0, 0.0, Width, Height);
return;
}
/// <summary>
/// PdfTable constructor.
/// </summary>
/// <param name="Page">Current PdfPage.</param>
/// <param name="Contents">Current PdfContents.</param>
/// <param name="Font">Table's default font.</param>
/// <param name="FontSize">Table's default font size.</param>
public PdfTable(
PdfPage Page,
PdfContents Contents,
PdfFont Font = null,
Double FontSize = 9.0
)
{
// save arguments
this.Document = Page.Document;
this.Page = Page;
this.Contents = Contents;
// See if at least one font is defined. Make it the default font for the table
if(Font == null) foreach(PdfObject Obj in Document.ObjectArray) if(Obj.GetType() == typeof(PdfFont))
{
Font = (PdfFont) Obj;
break;
}
// initialize default cell style
DefaultCellStyle = new PdfTableStyle();
DefaultCellStyle.Font = Font;
DefaultCellStyle.FontSize = FontSize;
DefaultCellStyle.Margin.Left = DefaultCellStyle.Margin.Right = 3.0 / Document.ScaleFactor;
DefaultCellStyle.Margin.Bottom = DefaultCellStyle.Margin.Top = 1.0 / Document.ScaleFactor;
// initialize default header style
DefaultHeaderStyle = CellStyle;
DefaultHeaderStyle.BackgroundColor = Color.LightGray;
// default table area
TableArea = new PdfRectangle(72.0 / Document.ScaleFactor, 72.0 / Document.ScaleFactor,
(Document.PageSize.Width - 72.0) / Document.ScaleFactor, (Document.PageSize.Height - 72.0) / Document.ScaleFactor);
// set header on each page as the default
HeaderOnEachPage = true;
// create table border control
Borders = new PdfTableBorder(this);
// very small amount 1/300 of an inch
// used to guard against rounding errors
Epsilon = 1.0 / (300.0 * Document.ScaleFactor);
return;
}
/// <summary>
/// PdfAnnotation constructor
/// </summary>
/// <param name="AnnotPage">Page object</param>
/// <param name="AnnotRect">Annotation rectangle</param>
/// <param name="AnnotAction">Annotation action</param>
internal PdfAnnotation
(
PdfPage AnnotPage,
PdfRectangle AnnotRect,
AnnotAction AnnotAction
) : base(AnnotPage.Document)
{
// save arguments
this.AnnotPage = AnnotPage;
this.AnnotRect = AnnotRect;
this.AnnotAction = AnnotAction;
// annotation subtype
Dictionary.Add("/Subtype", AnnotAction.Subtype);
// area rectangle on the page
Dictionary.AddRectangle("/Rect", AnnotRect);
// annotation flags. value of 4 = Bit position 3 print
Dictionary.Add("/F", "4");
// border style dictionary. If /BS with /W 0 is not specified, the annotation will have a thin border
Dictionary.Add("/BS", "<</W 0>>");
// web link
if (AnnotAction.GetType() == typeof(AnnotWebLink))
{
Dictionary.AddIndirectReference("/A", PdfWebLink.AddWebLink(Document, ((AnnotWebLink)AnnotAction).WebLinkStr));
}
// jump to destination
else if (AnnotAction.GetType() == typeof(AnnotLinkAction))
{
if (Document.LinkAnnotArray == null)
{
Document.LinkAnnotArray = new List <PdfAnnotation>();
}
Document.LinkAnnotArray.Add(this);
}
// display video or play sound
else if (AnnotAction.GetType() == typeof(AnnotDisplayMedia))
{
PdfDisplayMedia DisplayMedia = ((AnnotDisplayMedia)AnnotAction).DisplayMedia;
// action reference dictionary
Dictionary.AddIndirectReference("/A", DisplayMedia);
// add page reference
Dictionary.AddIndirectReference("/P", AnnotPage);
// add annotation reference
DisplayMedia.Dictionary.AddIndirectReference("/AN", this);
}
// file attachment
else if (AnnotAction.GetType() == typeof(AnnotFileAttachment))
{
// add file attachment reference
AnnotFileAttachment File = (AnnotFileAttachment)AnnotAction;
Dictionary.AddIndirectReference("/FS", File.EmbeddedFile);
if (File.Icon != FileAttachIcon.NoIcon)
{
// icon
Dictionary.AddName("/Name", File.Icon.ToString());
}
else
{
// no icon
PdfXObject XObject = new PdfXObject(Document, AnnotRect.Right, AnnotRect.Top);
Dictionary.AddFormat("/AP", "<</N {0} 0 R>>", XObject.ObjectNumber);
}
}
// sticky notes
else if (AnnotAction.GetType() == typeof(AnnotStickyNote))
{
// short cut
AnnotStickyNote StickyNote = (AnnotStickyNote)AnnotAction;
// icon
Dictionary.AddName("/Name", StickyNote.Icon.ToString());
// action reference dictionary
Dictionary.AddPdfString("/Contents", StickyNote.Note);
}
// add annotation object to page dictionary
PdfKeyValue KeyValue = AnnotPage.Dictionary.GetValue("/Annots");
if (KeyValue == null)
{
AnnotPage.Dictionary.AddFormat("/Annots", "[{0} 0 R]", ObjectNumber);
}
else
{
AnnotPage.Dictionary.Add("/Annots", ((string)KeyValue.Value).Replace("]", string.Format(" {0} 0 R]", ObjectNumber)));
}
// exit
return;
}
////////////////////////////////////////////////////////////////////
// Add key value pair to dictionary.
// The value is string format
////////////////////////////////////////////////////////////////////
internal void AddRectangle(
String Key, // key (first character must be forward slash /)
PdfRectangle Rect
)
{
AddRectangle(Key, Rect.Left, Rect.Bottom, Rect.Right, Rect.Top);
return;
}
/// <summary>
/// PDF link annotation constructor
/// </summary>
/// <param name="Page">Associated page</param>
/// <param name="AnnotRect">Annotation rectangle</param>
/// <param name="WebLink">Weblink</param>
public PdfAnnotation(
PdfPage Page,
PdfRectangle AnnotRect,
PdfWebLink WebLink
)
: base(Page.Document)
{
// annotation subtype
Dictionary.Add("/Subtype", "/Link");
// action reference dictionary
Dictionary.AddIndirectReference("/A", WebLink);
// constructor helper method
ContructorHelper(Page, AnnotRect);
// exit
return;
}
private void ContructorHelper(
PdfPage Page,
PdfRectangle AnnotRect
)
{
// save rectangle
this.AnnotRect = AnnotRect;
// area rectangle on the page
Dictionary.AddRectangle("/Rect", AnnotRect);
// annotation flags. value of 4 = Bit position 3 print
Dictionary.Add("/F", "4");
// add annotation object to page dictionary
PdfKeyValue KeyValue = Page.Dictionary.GetValue("/Annots");
if(KeyValue == null)
{
Page.Dictionary.AddFormat("/Annots", "[{0} 0 R]", ObjectNumber);
}
else
{
Page.Dictionary.Add("/Annots", ((String) KeyValue.Value).Replace("]", String.Format(" {0} 0 R]", ObjectNumber)));
}
// border style dictionary. If /BS with /W 0 is not specified, the annotation will have a thin border
Dictionary.Add("/BS", "<</W 0>>");
// exit
return;
}
/// <summary>
/// File attachement
/// </summary>
/// <param name="Page">Associated page</param>
/// <param name="AnnotRect">Annotation rectangle</param>
/// <param name="EmbeddedFile">Embedded file name</param>
/// <param name="Icon">Icon</param>
/// <remarks>
/// <para>
/// PDF specifications File Attachment Annotation page 637 table 8.35
/// </para>
/// </remarks>
public PdfAnnotation(
PdfPage Page,
PdfRectangle AnnotRect,
PdfEmbeddedFile EmbeddedFile,
FileAttachIcon Icon = FileAttachIcon.PushPin
)
: base(Page.Document)
{
// annotation subtype
Dictionary.Add("/Subtype", "/FileAttachment");
// add page reference
Dictionary.AddIndirectReference("/FS", EmbeddedFile);
// icon
Dictionary.AddName("/Name", Icon.ToString());
// constructor helper method
ContructorHelper(Page, AnnotRect);
// exit
return;
}
/// <summary>
/// PDF screen annotation constructor
/// </summary>
/// <param name="Page">Associated page</param>
/// <param name="AnnotRect">Annotation rectangle</param>
/// <param name="DisplayMedia">Display media class</param>
public PdfAnnotation(
PdfPage Page,
PdfRectangle AnnotRect,
PdfDisplayMedia DisplayMedia
)
: base(Page.Document)
{
// annotation subtype
Dictionary.Add("/Subtype", "/Screen");
// action reference dictionary
Dictionary.AddIndirectReference("/A", DisplayMedia);
this.DisplayMedia = DisplayMedia;
// add page reference
Dictionary.AddIndirectReference("/P", Page);
// add annotation reference
DisplayMedia.Dictionary.AddIndirectReference("/AN", this);
// constructor helper method
ContructorHelper(Page, AnnotRect);
// exit
return;
}
////////////////////////////////////////////////////////////////////
/// <summary>
/// Add weblink to this page
/// </summary>
/// <param name="WeblinkArea">Weblink area</param>
/// <param name="WebLinkStr">Hyperlink string</param>
/// <remarks>
/// <para>
/// The four position arguments are in relation to the
/// bottom left corner of the paper.
/// If web link is empty, ignore this call.
/// </para>
/// <para>
/// For more information go to <a href="http://www.codeproject.com/Articles/570682/PDF-File-Writer-Csharp-Class-Library-Version#WeblinkSupport">2.7 Web Link Support</a>
/// </para>
/// </remarks>
////////////////////////////////////////////////////////////////////
public void AddWebLink(
PdfRectangle WeblinkArea,
String WebLinkStr
)
{
// if web link is empty, ignore this call
if(String.IsNullOrWhiteSpace(WebLinkStr)) return;
// create weblink action or reuse duplicate
PdfWebLink WebLinkAction = PdfWebLink.AddWebLink(Document, WebLinkStr);
// create PdfObject for annotation
PdfAnnotation Annotation = new PdfAnnotation(this, WeblinkArea, WebLinkAction);
// exit
return;
}
/// <summary>
/// Add rendering screen action to page
/// </summary>
/// <param name="Rect">Annotation rectangle</param>
/// <param name="FileName">Media file name</param>
/// <param name="WidthPix">Video width in pixels</param>
/// <param name="HeightPix">Video height in pixels</param>
/// <param name="MimeType">Media file Mime type</param>
public void AddScreenAction(
PdfRectangle Rect,
String FileName,
Int32 WidthPix = 0,
Int32 HeightPix = 0,
String MimeType = null
)
{
// create embedded media file
PdfEmbeddedFile MediaFile = new PdfEmbeddedFile(Document, FileName);
// Section 8.5 page 669 table 8.64
PdfDisplayMedia ScreenAction = new PdfDisplayMedia(MediaFile, MimeType);
// create PdfObject for annotation
PdfAnnotation Annotation = new PdfAnnotation(this, Rect, ScreenAction);
// Annotation.DisplayBorder(0.1);
// exit
return;
}
////////////////////////////////////////////////////////////////////
/// <summary>
/// Copy one style to another
/// </summary>
/// <param name="SourceStyle">Source style</param>
////////////////////////////////////////////////////////////////////
public void Copy(
PdfTableStyle SourceStyle
)
{
Alignment = SourceStyle.Alignment;
BackgroundColor = SourceStyle.BackgroundColor;
BarcodeBarWidth = SourceStyle.BarcodeBarWidth;
BarcodeHeight = SourceStyle.BarcodeHeight;
TextBoxFirstLineIndent = SourceStyle.TextBoxFirstLineIndent;
TextBoxLineBreakFactor = SourceStyle.TextBoxLineBreakFactor;
TextBoxLineExtraSpace = SourceStyle.TextBoxLineExtraSpace;
TextBoxParagraphExtraSpace = SourceStyle.TextBoxParagraphExtraSpace;
TextBoxTextJustify = SourceStyle.TextBoxTextJustify;
Font = SourceStyle.Font;
FontSize = SourceStyle.FontSize;
ForegroundColor = SourceStyle.ForegroundColor;
Format = SourceStyle.Format;
Margin = new PdfRectangle(SourceStyle.Margin);
RaiseCustomDrawCellEvent = SourceStyle.RaiseCustomDrawCellEvent;
TextDrawStyle = SourceStyle.TextDrawStyle;
MinHeight = SourceStyle.MinHeight;
MultiLineText = SourceStyle.MultiLineText;
NumberFormatInfo = SourceStyle.NumberFormatInfo;
return;
}
