protected void HandleTextBlock(TextBlock item, PdfPageWriter writer, Context context)
{
var physicalBox = ToPhysicalBox(item, context);
var x = physicalBox[0];
var y = physicalBox[1];
var width = physicalBox[2] - physicalBox[0];
var height = physicalBox[3] - physicalBox[1];
var to = (PdfTextOptions)GetReferenceObject(item.TextOptionsRef ?? context.TextOptionsRef) ?? new PdfTextOptions();
var leftRotationDegrees = GetAngleValue(item.Rotation);
var alignment = Int32.Parse(item.Alignment.CaseTranslate(StringComparison.OrdinalIgnoreCase, "", "-1", "left", "-1", "center", "0", "middle", "0", "right", "1", item.Alignment) ?? "-1");
// Correct y value to reflect top of textblock:
y = y - to.FontSize;
var content = item.Content;
if (!String.IsNullOrWhiteSpace(item.ContentKey))
{
if (this.ContentSource == null)
{
throw new NullReferenceException("Failed to render TextBlock content using ContentKey as ContentSource of PdfModelWriter is not set.");
}
content = this.ContentSource[item.ContentKey] ?? item.Content ?? String.Empty;
}
writer.DrawTextblock(x, y, content ?? String.Empty, width, to, leftRotationDegrees, alignment);
}
protected void HandleLine(Line item, PdfPageWriter writer, Context context)
{
var physicalBox = ToPhysicalBox(item, context);
var go = (PdfGraphicsOptions)GetReferenceObject(item.GraphicsOptionsRef ?? context.GraphicsOptionsRef) ?? new PdfGraphicsOptions();
writer.DrawLine(physicalBox[0], physicalBox[1], physicalBox[2], physicalBox[3], go);
}
protected void Dispatch(IPageItem pageItem, PdfPageWriter writer, Context context)
{
if (!pageItem.Hidden)
{
this.GetType().GetMethod("Handle" + pageItem.GetType().Name, BindingFlags.Instance | BindingFlags.NonPublic).Invoke(this, new object[] { pageItem, writer, context });
}
}
/// <summary>
/// Writes a page item to the given PDF page writer.
/// </summary>
public void Write(IPageItem pageItem, PdfPageWriter writer)
{
var context = new Context();
context.Coordinates = GetCoordinates(writer);
this.Dispatch(pageItem, writer, context);
}
protected void HandleScript(Script item, PdfPageWriter writer, Context context)
{
if (!String.IsNullOrWhiteSpace(item.ScriptRef))
{
writer.WriteObjectRef((PdfObjectRef)GetReferenceObject(item.ScriptRef));
}
else
{
var so = new PdfScriptObject();
so.Write(item.Content);
writer.WriteObject(so);
}
}
protected void HandleImage(Image item, PdfPageWriter writer, Context context)
{
var physicalBox = ToPhysicalBox(item, context);
//var x = physicalBox[0];
//var y = physicalBox[1];
var x = Math.Min(physicalBox[0], physicalBox[2]);
var y = Math.Min(physicalBox[1], physicalBox[3]);
var width = Math.Abs(physicalBox[2] - physicalBox[0]);
var height = Math.Abs(physicalBox[3] - physicalBox[1]);
var placement = (PdfImagePlacement)Enum.Parse(typeof(PdfImagePlacement), item.Placement ?? "Stretch");
var rotation = GetAngleValue(item.Rotation);
var imageRotation = (PdfImageRotation)Enum.Parse(typeof(PdfImageRotation), item.ImageRotation ?? "None");
if (String.IsNullOrWhiteSpace(item.ImageRef))
{
item.ImageRef = item.FileName ?? item.Url ?? Guid.NewGuid().ToString();
if (!this.referables.ContainsKey(item.ImageRef))
{
var img = LoadImage(item.FileName, item.Url);
var pdfRef = writer.DocumentWriter.AddImage(img);
SetReferenceObject(item.ImageRef, pdfRef);
}
}
if (rotation != 0.0)
{
if (!String.IsNullOrWhiteSpace(item.ImageRef))
{
var imgRef = (PdfObjectRef)GetReferenceObject(item.ImageRef);
writer.DrawImageRef(x, y, imgRef, width, rotation);
}
else
{
var img = new System.Drawing.Bitmap(item.FileName ?? item.Url);
writer.DrawImage(x, y, img, width, rotation);
}
}
else
{
if (!String.IsNullOrWhiteSpace(item.ImageRef))
{
var imgRef = (PdfObjectRef)GetReferenceObject(item.ImageRef);
writer.DrawImageRef(x, y, imgRef, width, height, placement, imageRotation);
}
else
{
var img = new System.Drawing.Bitmap(item.FileName ?? item.Url);
writer.DrawImage(x, y, img, width, height, placement, imageRotation);
}
}
}
private static double WriteSampleLines(int[] sizes, PdfPageWriter page, double cursor, PdfFont font, string fontName)
{
page.DrawText(40, cursor, String.Format("{0} in sizes {1}:", fontName, String.Join(", ", sizes.Select(s => s.ToString()))), CaptionText);
cursor -= CaptionText.FontSize;
cursor -= 32;
foreach (var size in sizes)
{
page.DrawText(40, cursor, "01234-9 THE Quick BROWN FOX walks in tbe woods - " + font.Name + " " + size, new PdfTextOptions(font, size, PdfColor.Black));
cursor -= size;
}
cursor -= 32;
return(cursor);
}
protected void HandleRectangle(Rectangle item, PdfPageWriter writer, Context context)
{
var physicalBox = ToPhysicalBox(item, context);
var rotation = GetAngleValue(item.Rotation);
var radius = Double.Parse(item.Radius ?? "0.0", CultureInfo.InvariantCulture);
var go = (PdfGraphicsOptions)GetReferenceObject(item.GraphicsOptionsRef ?? context.GraphicsOptionsRef) ?? new PdfGraphicsOptions();
if (radius > 0.0 && rotation == 0.0)
{
writer.DrawRoundedRectangle2(Math.Min(physicalBox[0], physicalBox[2]), Math.Min(physicalBox[1], physicalBox[3]), Math.Max(physicalBox[2], physicalBox[0]), Math.Max(physicalBox[3], physicalBox[1]), radius, go);
}
else
{
writer.DrawRectangle2(physicalBox[0], physicalBox[1], physicalBox[2], physicalBox[3], go, rotation);
}
}
protected void HandleArea(Area item, PdfPageWriter writer, Context context)
{
var logicalBox = ToLogicalBox(item, context);
var physicalBox = ToPhysicalBox(logicalBox, context);
context = new Context(context);
context.GraphicsOptionsRef = item.GraphicsOptionsRef ?? context.GraphicsOptionsRef;
context.TextOptionsRef = item.TextOptionsRef ?? context.TextOptionsRef;
if (item.CoordinateSpace == null)
{
context.Coordinates = new Coordinates(physicalBox, logicalBox);
}
else
{
context.Coordinates = new Coordinates(physicalBox, 0.0, 0.0, item.CoordinateSpace.Width, item.CoordinateSpace.Height);
}
foreach (var subitem in item.Items)
{
this.Dispatch(subitem, writer, context);
}
}
protected void HandleText(Text item, PdfPageWriter writer, Context context)
{
var physicalBox = ToPhysicalPoint(item, context);
var x = physicalBox[0];
var y = physicalBox[1];
var to = (PdfTextOptions)GetReferenceObject(item.TextOptionsRef ?? context.TextOptionsRef) ?? new PdfTextOptions();
var leftRotationDegrees = GetAngleValue(item.Rotation);
// Correct y value to reflect top of text:
y = y - to.FontSize;
var content = item.Content;
if (!String.IsNullOrWhiteSpace(item.ContentKey))
{
if (this.ContentSource == null)
{
throw new NullReferenceException("Failed to render Text content using ContentKey as ContentSource of PdfModelWriter is not set.");
}
content = this.ContentSource[item.ContentKey] ?? item.Content ?? String.Empty;
}
writer.DrawText(x, y, content ?? String.Empty, to, leftRotationDegrees);
}
private Coordinates GetCoordinates(PdfPageWriter pageWriter)
{
return(new Coordinates(0.0, pageWriter.Height, pageWriter.Width, 0.0));
}
