internal void RenderLines(DrawingContext dc)
{
for (int i = 0; i < _lineResults.Length; i++)
{
FixedLineResult lineResult = _lineResults[i];
Pen pen = new Pen(Brushes.Red, 1);
Rect layoutBox = lineResult.LayoutBox;
dc.DrawRectangle(null, pen, layoutBox);
CultureInfo EnglishCulture = System.Windows.Markup.TypeConverterHelper.InvariantEnglishUS;
FixedPage fp = _fixedTextBuilder.FixedTextContainer.FixedDocument.GetFixedPage(PageIndex);
FormattedText ft = new FormattedText(i.ToString(),
EnglishCulture,
FlowDirection.LeftToRight,
new Typeface("Arial"),
10,
Brushes.White,
fp.GetDpi().PixelsPerDip);
Point labelLocation = new Point(layoutBox.Left - 25, (layoutBox.Bottom + layoutBox.Top) / 2 - 10);
Geometry geom = ft.BuildHighlightGeometry(labelLocation);
Pen backgroundPen = new Pen(Brushes.Black, 1);
dc.DrawGeometry(Brushes.Black, backgroundPen, geom);
dc.DrawText(ft, labelLocation);
}
}
internal void RenderFlowNode(DrawingContext dc)
{
FormattedText ft;
FixedNode fixedNode;
FixedSOMElement[] somElements;
String ouptputString;
FixedElement fixedElement;
Random random = new Random();
CultureInfo EnglishCulture = System.Windows.Markup.TypeConverterHelper.InvariantEnglishUS;
FixedPage fp = _fixedTextBuilder.FixedTextContainer.FixedDocument.GetFixedPage(PageIndex);
//
//Iterate through flow node to draw Transparent Rect and draw its index
//
Point prevTextPoint = new Point(0, 0);
DpiScale dpi = fp.GetDpi();
for (int i = FlowStart.Fp; i <= FlowEnd.Fp; i++)
{
FlowNode fn = _fixedTextBuilder.FixedFlowMap[i];
switch (fn.Type)
{
case FlowNodeType.Boundary:
case FlowNodeType.Virtual:
// this two cases won't happen.
Debug.Assert(false);
break;
case FlowNodeType.Start:
case FlowNodeType.End:
{
fixedElement = fn.Cookie as FixedElement;
String typeString = fixedElement.Type.ToString();
int indexofDot = typeString.LastIndexOf('.');
ouptputString = String.Format("{0}-{1}",
fn.ToString(),
typeString.Substring(indexofDot + 1));
ft = new FormattedText(ouptputString,
EnglishCulture,
FlowDirection.LeftToRight,
new Typeface("Courier New"),
8,
Brushes.DarkGreen,
dpi.PixelsPerDip);
// Ideally, for FlowNodeType.Start, this should find next FlowNode with physical location,
// and draw it around the physical location.
prevTextPoint = CreateFromLastTextPoint(prevTextPoint);
dc.DrawText(ft, prevTextPoint);
break;
}
case FlowNodeType.Noop:
ft = new FormattedText(fn.ToString(),
EnglishCulture,
FlowDirection.LeftToRight,
new Typeface("Courier New"),
8,
Brushes.DarkGreen,
dpi.PixelsPerDip);
prevTextPoint = CreateFromLastTextPoint(prevTextPoint);
dc.DrawText(ft, prevTextPoint);
break;
case FlowNodeType.Run:
//
// Paint the region. The rect is the union of child glyphs.
//
Glyphs glyphs;
Rect flowRunBox = Rect.Empty;
Rect glyphBox;
somElements = _fixedTextBuilder.FixedFlowMap.FlowNodes[fn.Fp].FixedSOMElements;
foreach (FixedSOMElement currentSomeElement in somElements)
{
FixedNode currentFixedNode = currentSomeElement.FixedNode;
int startIndex = currentSomeElement.StartIndex;
int endIndex = currentSomeElement.EndIndex;
// same as (_IsBoundaryFixedNode(currentFixedNode))
if (currentFixedNode.Page == FixedFlowMap.FixedOrderStartPage ||
currentFixedNode.Page == FixedFlowMap.FixedOrderEndPage ||
currentFixedNode[1] == FixedFlowMap.FixedOrderStartVisual ||
currentFixedNode[1] == FixedFlowMap.FixedOrderEndVisual)
{
continue;
}
glyphs = fp.GetGlyphsElement(currentFixedNode);
Debug.Assert(glyphs != null);
glyphBox = FixedTextView._GetGlyphRunDesignRect(glyphs, startIndex, endIndex);
if (!glyphBox.IsEmpty)
{
GeneralTransform g = glyphs.TransformToAncestor(fp);
glyphBox = g.TransformBounds(glyphBox);
}
flowRunBox.Union(glyphBox);
}
if (flowRunBox.IsEmpty)
{
Debug.Assert(false);
}
prevTextPoint.X = flowRunBox.Right;
prevTextPoint.Y = flowRunBox.Bottom - random.Next(15);
// Draw something the upper left corner of region.
ft = new FormattedText(fn.ToString() + "-" + Convert.ToString((int)(fn.Cookie)) +
"-" + Convert.ToString(somElements.Length),
EnglishCulture,
FlowDirection.LeftToRight,
new Typeface("Courier New"),
8,
Brushes.DarkBlue,
dpi.PixelsPerDip);
dc.DrawText(ft, prevTextPoint);
Pen pen = new Pen(Brushes.Blue, 2);
flowRunBox.Inflate(random.Next(3), random.Next(3));
DrawRectOutline(dc, pen, flowRunBox);
break;
case FlowNodeType.Object:
//
// Find the mapping fixed node
//
somElements = _fixedTextBuilder.FixedFlowMap.FlowNodes[fn.Fp].FixedSOMElements;
foreach (FixedSOMElement currentSomeElement in somElements)
{
fixedNode = currentSomeElement.FixedNode;
DependencyObject dependencyObject = fp.GetElement(fixedNode);
Image image = dependencyObject as Image;
Path path = dependencyObject as Path;
if (image != null || path != null)
{
Rect imageRect, boundingRect = Rect.Empty;
//
// Get Image bounding box.
//
GeneralTransform transform = ((Visual)dependencyObject).TransformToAncestor(fp);
// You can't use GetContentBounds inside OnRender
if (image != null)
{
boundingRect = new Rect(0, 0, image.Width, image.Height);
}
else
{
boundingRect = path.Data.Bounds;
}
if (!boundingRect.IsEmpty)
{
imageRect = transform.TransformBounds(boundingRect);
// Image might overlap, inflate the box.
imageRect.Inflate(3, 3);
dc.DrawRectangle(Brushes.CadetBlue, null, imageRect);
prevTextPoint.X = imageRect.Right;
prevTextPoint.Y = imageRect.Top;
}
}
else
{
//
// If the object is the Image type(that is not likey).
// Use the last Point to infer a comment area!
//
Debug.Assert(false);
}
fixedElement = fn.Cookie as FixedElement;
ft = new FormattedText(fn.ToString(),
EnglishCulture,
FlowDirection.LeftToRight,
new Typeface("Courier New"),
8,
Brushes.DarkGreen,
dpi.PixelsPerDip);
dc.DrawText(ft, prevTextPoint);
}
break;
default:
Debug.Assert(false);
break;
}
}
}
internal void RenderFixedNode(DrawingContext dc)
{
//
//Iterate through fix node to draw red dotted line
//
CultureInfo EnglishCulture = System.Windows.Markup.TypeConverterHelper.InvariantEnglishUS;
int lineCount = _lineResults.Length;
if (lineCount == 0)
{
return;
}
FixedNode fixedStartPage = _lineResults[0].Start;
FixedNode fixedEndPage = _lineResults[lineCount - 1].End;
FixedNode[] fixedNodes = _fixedTextBuilder.FixedFlowMap.FixedOrderGetRangeNodes(fixedStartPage, fixedEndPage);
FixedPage fp = _fixedTextBuilder.FixedTextContainer.FixedDocument.GetFixedPage(PageIndex);
FormattedText ft;
Point prevTextPoint = new Point(0, 0);
DpiScale dpi = fp.GetDpi();
foreach (FixedNode currentFixedNode in fixedNodes)
{
if (currentFixedNode.Page == FixedFlowMap.FixedOrderStartPage)
{
prevTextPoint.X = prevTextPoint.Y = 0;
ft = new FormattedText("FixedOrderStartPage",
EnglishCulture,
FlowDirection.LeftToRight,
new Typeface("Courier New"),
8,
Brushes.DarkViolet,
dpi.PixelsPerDip);
dc.DrawText(ft, prevTextPoint);
continue;
}
if (currentFixedNode.Page == FixedFlowMap.FixedOrderEndPage)
{
prevTextPoint.X = fp.Width - 100;
prevTextPoint.Y = fp.Height - 10;
ft = new FormattedText("FixedOrderEndPage",
EnglishCulture,
FlowDirection.LeftToRight,
new Typeface("Courier New"),
8,
Brushes.DarkViolet,
dpi.PixelsPerDip);
dc.DrawText(ft, prevTextPoint);
continue;
}
if (currentFixedNode[1] == FixedFlowMap.FixedOrderStartVisual ||
currentFixedNode[1] == FixedFlowMap.FixedOrderEndVisual)
{
prevTextPoint.X = 2;
prevTextPoint.Y = prevTextPoint.Y + 10;
String outputString = currentFixedNode[1] == FixedFlowMap.FixedOrderStartVisual ?
"FixedOrderStartVisual" : "FixedOrderEndVisual";
ft = new FormattedText(outputString,
EnglishCulture,
FlowDirection.LeftToRight,
new Typeface("Courier New"),
8,
Brushes.DarkViolet,
dpi.PixelsPerDip);
dc.DrawText(ft, prevTextPoint);
continue;
}
DependencyObject dependencyObject = fp.GetElement(currentFixedNode);
Image image = dependencyObject as Image;
if (image != null)
{
GeneralTransform transform = image.TransformToAncestor(fp);
// You can't use GetContentBounds inside OnRender
Rect boundingRect = new Rect(0, 0, image.Width, image.Height);
Rect imageRect = transform.TransformBounds(boundingRect);
if (!imageRect.IsEmpty)
{
// Image might overlap, inflate the box.
imageRect.Inflate(1, 1);
Pen pen = new Pen(Brushes.DarkMagenta, 1.5);
DrawRectOutline(dc, pen, imageRect);
prevTextPoint.X = imageRect.Right;
prevTextPoint.Y = imageRect.Bottom - 10;
}
else
{
prevTextPoint.X = 2;
prevTextPoint.Y = prevTextPoint.Y + 10;
}
ft = new FormattedText(currentFixedNode.ToString(),
EnglishCulture,
FlowDirection.LeftToRight,
new Typeface("Courier New"),
8,
Brushes.DarkViolet,
dpi.PixelsPerDip);
dc.DrawText(ft, prevTextPoint);
continue;
}
Path path = dependencyObject as Path;
if (path != null)
{
GeneralTransform transform = path.TransformToAncestor(fp);
// You can't use GetContentBounds inside OnRender
Rect boundingRect = path.Data.Bounds;
Rect imageRect = transform.TransformBounds(boundingRect);
if (!imageRect.IsEmpty)
{
// Image might overlap, inflate the box.
imageRect.Inflate(1, 1);
Pen pen = new Pen(Brushes.DarkMagenta, 1.5);
DrawRectOutline(dc, pen, imageRect);
prevTextPoint.X = imageRect.Right;
prevTextPoint.Y = imageRect.Bottom - 10;
}
else
{
prevTextPoint.X = 2;
prevTextPoint.Y = prevTextPoint.Y + 10;
}
ft = new FormattedText(currentFixedNode.ToString(),
EnglishCulture,
FlowDirection.LeftToRight,
new Typeface("Courier New"),
8,
Brushes.DarkViolet,
dpi.PixelsPerDip);
dc.DrawText(ft, prevTextPoint);
continue;
}
Glyphs glyphs = dependencyObject as Glyphs;
if (glyphs != null)
{
GlyphRun run = glyphs.ToGlyphRun();
if (run != null)
{
Rect glyphBox = run.ComputeAlignmentBox();
glyphBox.Offset(glyphs.OriginX, glyphs.OriginY);
GeneralTransform transform = glyphs.TransformToAncestor(fp);
//
// Draw it using the dotted red line
//
Pen pen = new Pen(Brushes.Red, 0.5);
Transform t = transform.AffineTransform;
if (t != null)
{
dc.PushTransform(t);
}
else
{
dc.PushTransform(Transform.Identity);
}
DrawRectOutline(dc, pen, glyphBox);
prevTextPoint.X = glyphBox.Right;
prevTextPoint.Y = glyphBox.Bottom;
transform.TryTransform(prevTextPoint, out prevTextPoint);
dc.Pop(); // transform
}
else
{
prevTextPoint.X = 2;
prevTextPoint.Y = prevTextPoint.Y + 10;
}
ft = new FormattedText(currentFixedNode.ToString(),
EnglishCulture,
FlowDirection.LeftToRight,
new Typeface("Courier New"),
8,
Brushes.DarkViolet,
dpi.PixelsPerDip);
dc.DrawText(ft, prevTextPoint);
continue;
}
//
// For anything else, there is this code to draw ...
//
prevTextPoint.X = 2;
prevTextPoint.Y = prevTextPoint.Y + 10;
ft = new FormattedText(currentFixedNode.ToString(),
EnglishCulture,
FlowDirection.LeftToRight,
new Typeface("Courier New"),
8,
Brushes.DarkViolet,
dpi.PixelsPerDip);
dc.DrawText(ft, prevTextPoint);
}
}
