public void SetAppearance(FormFieldAppearanceState state, Layout.PDFLayoutXObject xObject, Layout.PDFLayoutPage page, Styles.Style style)
{
this._states[state] = xObject;
if (state == FormFieldAppearanceState.Normal)
{
this._style = style;
}
this._page = page;
}
protected static string GetFieldStateName(FormFieldAppearanceState state)
{
switch (state)
{
case FormFieldAppearanceState.Normal:
return("N");
case FormFieldAppearanceState.Over:
return("R");
case FormFieldAppearanceState.Down:
return("D");
default:
throw new ArgumentOutOfRangeException(nameof(state));
}
}
protected override PDFObjectRef DoOutputToPDF(PDFRenderContext context, PDFWriter writer)
{
//Get the default font and size required for the DA (default Appearance value)
var xObject = this._states[FormFieldAppearanceState.Normal];
if (null == xObject)
{
return(null);
}
PDFObjectRef root = writer.BeginObject();
var font = this._style.CreateFont();
var rsrc = xObject.Document.GetResource(Scryber.Resources.PDFResource.FontDefnResourceType, font.FullName, true);
string da = rsrc.Name.ToString() + " " + font.Size.ToPoints().Value.ToString() + " Tf";
writer.BeginDictionary();
writer.WriteDictionaryNameEntry("Subtype", "Widget");
writer.WriteDictionaryStringEntry("T", this.Name);
if (!string.IsNullOrEmpty(this.Value))
{
writer.WriteDictionaryStringEntry("V", this.Value);
}
if (!string.IsNullOrEmpty(this.DefaultValue))
{
writer.WriteDictionaryStringEntry("DV", this.DefaultValue);
}
writer.WriteDictionaryNumberEntry("Ff", (int)this.FieldOptions + (int)this.FieldType);
writer.WriteDictionaryStringEntry("DA", da);
writer.WriteDictionaryNameEntry("FT", GetFieldTypeName(this.FieldType));
if (null != this._page && null != this._page.PageObjectRef)
{
writer.WriteDictionaryObjectRefEntry("P", this._page.PageObjectRef);
}
//MK - appearance dictionary
writer.BeginDictionaryEntry("MK");
writer.BeginDictionary();
if (this._style.IsValueDefined(Styles.StyleKeys.BorderColorKey))
{
WriteInputColor(context, writer, "BC", this._style.Border.Color);
}
if (this._style.IsValueDefined(Styles.StyleKeys.BgColorKey))
{
WriteInputColor(context, writer, "BG", this._style.Background.Color);
}
writer.EndDictionary();
writer.EndDictionaryEntry();
if (this._states.Count > 0)
{
_location = context.Offset;
Drawing.PDFRect bounds = Drawing.PDFRect.Empty;
writer.BeginDictionaryEntry("AP");
writer.BeginDictionary();
foreach (var kvp in _states)
{
xObject = kvp.Value;
FormFieldAppearanceState state = kvp.Key;
PDFObjectRef oref = xObject.OutputToPDF(context, writer);
if (null != oref)
{
PDFSize sz = new Drawing.PDFSize(xObject.Width, xObject.Height);
if (_size == PDFSize.Empty)
{
_size = sz;
}
else
{
if (_size.Width < sz.Width)
{
_size.Width = sz.Width;
}
if (_size.Height < sz.Height)
{
_size.Height = sz.Height;
}
}
var name = GetFieldStateName(kvp.Key);
writer.WriteDictionaryObjectRefEntry(name, oref);
//We should have all states starting at the same location no matter what.
this._location = xObject.Location;
}
}
writer.EndDictionary();
writer.EndDictionaryEntry();
PDFReal left = context.Graphics.GetXPosition(_location.X);
PDFReal top = context.Graphics.GetYPosition(_location.Y);
PDFReal right = left + context.Graphics.GetXOffset(_size.Width);
PDFReal bottom = top + context.Graphics.GetYOffset(_size.Height);
writer.BeginDictionaryEntry("Rect");
writer.WriteArrayRealEntries(true, left.Value, bottom.Value, right.Value, top.Value);
writer.EndDictionaryEntry();
}
writer.EndDictionary();
writer.EndObject();
//context.Offset = new PDFPoint(context.Offset.X, context.Offset.Y + _size.Height);
return(root);
}
