/// <summary>
/// Parses a element.
/// </summary>
Canvas ParseObject()
{
Debug.Assert(this.reader.Name == "");
bool isEmptyElement = this.reader.IsEmptyElement;
Canvas canvas = new Canvas();
while (MoveToNextAttribute())
{
switch (this.reader.Name)
{
case "Name":
//canvas.Name = this.reader.Value;
break;
default:
UnexpectedAttribute(this.reader.Name);
break;
}
}
if (!isEmptyElement)
{
MoveToNextElement();
while (this.reader.IsStartElement())
{
switch (this.reader.Name)
{
case "Canvas.Resources":
//MoveToNextElement();
//canvas.Resources = ParseResourceDictionary();
break;
default:
Debugger.Break();
break;
}
}
}
MoveToNextElement();
return canvas;
}
/// <summary>
/// Writes a Canvas to the content stream.
/// </summary>
private void WriteCanvas(Canvas canvas)
{
WriteSaveState("begin Canvas", canvas.Name);
// Transform also affects clipping and opacity mask
bool transformed = canvas.RenderTransform != null;
if (transformed)
{
MultiplyTransform(canvas.RenderTransform);
WriteRenderTransform(canvas.RenderTransform);
}
bool clipped = canvas.Clip != null;
if (clipped)
WriteClip(canvas.Clip);
if (canvas.Opacity < 1)
MultiplyOpacity(canvas.Opacity);
if (canvas.OpacityMask != null)
WriteOpacityMask(canvas.OpacityMask);
WriteElements(canvas.Content);
// Must leave text mode at end of canvas
BeginGraphic();
WriteRestoreState("end Canvas", canvas.Name);
}
/// <summary>
/// Parses a Canvas element.
/// </summary>
Canvas ParseCanvas()
{
Debug.Assert(this.reader.Name == "Canvas");
Canvas canvas = new Canvas();
try
{
bool isEmptyElement = this.reader.IsEmptyElement;
while (MoveToNextAttribute())
{
switch (this.reader.Name)
{
case "Name":
canvas.Name = this.reader.Value;
break;
case "RenderTransform":
canvas.RenderTransform = ParseMatrixTransform(this.reader.Value);
break;
case "Clip":
canvas.Clip = ParsePathGeometry(this.reader.Value);
break;
case "Opacity":
canvas.Opacity = ParseDouble(this.reader.Value);
break;
case "OpacityMask":
canvas.OpacityMask = ParseBrush(this.reader.Value);
break;
case "RenderOptions.EdgeMode":
canvas.RenderOptions_EdgeMode = this.reader.Value;
break;
case "FixedPage.NavigateUri":
canvas.FixedPage_NavigateUri = this.reader.Value;
break;
case "AutomationProperties.HelpText":
canvas.AutomationProperties_HelpText = this.reader.Value;
break;
case "AutomationProperties.Name":
canvas.AutomationProperties_Name = this.reader.Value;
break;
case "xml:lang":
canvas.lang = this.reader.Value;
break;
case "xmlns:x":
break;
default:
UnexpectedAttribute(this.reader.Name);
break;
}
}
if (!isEmptyElement)
{
MoveToNextElement();
while (this.reader.IsStartElement())
{
switch (this.reader.Name)
{
case "Canvas.Resources":
MoveToNextElement();
ResourceDictionary rd = new ResourceDictionary();
canvas.Resources = rd;
rd.Parent = canvas;
rd.ResourceParent = ResourceDictionaryStack.Current;
ResourceDictionaryStack.Push(rd);
ParseResourceDictionary(rd);
MoveToNextElement();
break;
case "Canvas.RenderTransform":
MoveToNextElement();
canvas.RenderTransform = ParseMatrixTransform();
MoveToNextElement();
break;
case "Canvas.Clip":
MoveToNextElement();
canvas.Clip = ParsePathGeometry();
break;
case "Canvas.OpacityMask":
MoveToNextElement();
canvas.OpacityMask = ParseBrush();
canvas.OpacityMask.Parent = canvas;
break;
case "Path":
{
PdfSharp.Xps.XpsModel.Path path = ParsePath();
#if DEBUG
if (!String.IsNullOrEmpty(path.Name))
Debug.WriteLine("Path: " + path.Name);
#endif
canvas.Content.Add(path);
path.Parent = canvas;
}
break;
case "Glyphs":
{
PdfSharp.Xps.XpsModel.Glyphs glyphs = ParseGlyphs();
canvas.Content.Add(glyphs);
glyphs.Parent = canvas;
}
break;
case "Canvas":
{
PdfSharp.Xps.XpsModel.Canvas canvas2 = ParseCanvas();
canvas.Content.Add(canvas2);
canvas2.Parent = canvas;
}
break;
case "mc:AlternateContent":
case "mc:Choice":
MoveToNextElement();
//canvas.Content.Add(ParseCanvas());
break;
default:
Debugger.Break();
break;
}
}
}
MoveToNextElement();
}
finally
{
// If the current ResourceDictionary is from this Canvas, pop it.
if (canvas != null && canvas.Resources != null)
{
if (Object.ReferenceEquals(canvas.Resources, ResourceDictionaryStack.Current))
ResourceDictionaryStack.Pop();
}
}
return canvas;
}
/// <summary>
/// Parses a Canvas element.
/// </summary>
Canvas ParseCanvas()
{
Debug.Assert(this.reader.Name == "Canvas");
Canvas canvas = new Canvas();
try
{
bool isEmptyElement = this.reader.IsEmptyElement;
while (MoveToNextAttribute())
{
switch (this.reader.Name)
{
case "Name":
canvas.Name = this.reader.Value;
break;
case "RenderTransform":
canvas.RenderTransform = ParseMatrixTransform(this.reader.Value);
break;
case "Clip":
canvas.Clip = ParsePathGeometry(this.reader.Value);
break;
case "Opacity":
canvas.Opacity = ParseDouble(this.reader.Value);
break;
case "OpacityMask":
canvas.OpacityMask = ParseBrush(this.reader.Value);
break;
case "RenderOptions.EdgeMode":
canvas.RenderOptions_EdgeMode = this.reader.Value;
break;
case "FixedPage.NavigateUri":
canvas.FixedPage_NavigateUri = this.reader.Value;
break;
case "AutomationProperties.HelpText":
canvas.AutomationProperties_HelpText = this.reader.Value;
break;
case "AutomationProperties.Name":
canvas.AutomationProperties_Name = this.reader.Value;
break;
case "xml:lang":
canvas.lang = this.reader.Value;
break;
case "xmlns:x":
break;
default:
UnexpectedAttribute(this.reader.Name);
break;
}
}
if (!isEmptyElement)
{
MoveToNextElement();
while (this.reader.IsStartElement())
{
switch (this.reader.Name)
{
case "Canvas.Resources":
MoveToNextElement();
ResourceDictionary rd = new ResourceDictionary();
canvas.Resources = rd;
rd.Parent = canvas;
rd.ResourceParent = ResourceDictionaryStack.Current;
ResourceDictionaryStack.Push(rd);
ParseResourceDictionary(rd);
MoveToNextElement();
break;
case "Canvas.RenderTransform":
MoveToNextElement();
canvas.RenderTransform = ParseMatrixTransform();
MoveToNextElement();
break;
case "Canvas.Clip":
MoveToNextElement();
canvas.Clip = ParsePathGeometry();
break;
case "Canvas.OpacityMask":
MoveToNextElement();
canvas.OpacityMask = ParseBrush();
canvas.OpacityMask.Parent = canvas;
break;
case "Path":
{
PdfSharp.Xps.XpsModel.Path path = ParsePath();
#if DEBUG
if (!String.IsNullOrEmpty(path.Name))
{
Debug.WriteLine("Path: " + path.Name);
}
#endif
canvas.Content.Add(path);
path.Parent = canvas;
}
break;
case "Glyphs":
{
PdfSharp.Xps.XpsModel.Glyphs glyphs = ParseGlyphs();
canvas.Content.Add(glyphs);
glyphs.Parent = canvas;
}
break;
case "Canvas":
{
PdfSharp.Xps.XpsModel.Canvas canvas2 = ParseCanvas();
canvas.Content.Add(canvas2);
canvas2.Parent = canvas;
}
break;
case "mc:AlternateContent":
case "mc:Choice":
MoveToNextElement();
//canvas.Content.Add(ParseCanvas());
break;
default:
Debugger.Break();
break;
}
}
}
MoveToNextElement();
}
finally
{
// If the current ResourceDictionary is from this Canvas, pop it.
if (canvas != null && canvas.Resources != null)
{
if (Object.ReferenceEquals(canvas.Resources, ResourceDictionaryStack.Current))
{
ResourceDictionaryStack.Pop();
}
}
}
return(canvas);
}
