public void RenderLabel(DrawingContext dc, string label)
{
FormattedText ft = new FormattedText(label,
System.Windows.Markup.TypeConverterHelper.InvariantEnglishUS,
FlowDirection.LeftToRight,
new Typeface("Arial"),
10,
Brushes.White);
Point labelLocation = new Point(_boundingRect.Left-25, (_boundingRect.Bottom + _boundingRect.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 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;
FormattedText ft = new FormattedText(i.ToString(),
EnglishCulture,
FlowDirection.LeftToRight,
new Typeface("Arial"),
10,
Brushes.White);
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);
}
}
// rendering
protected override void OnRender(DrawingContext drawingContext)
{
// draw background
drawingContext.PushClip(new RectangleGeometry(new Rect(0, 0, ActualWidth, ActualHeight)));
drawingContext.DrawRectangle(BackgroundBrush, new Pen(), new Rect(0, 0, ActualWidth, ActualHeight));
// draw text
if (Text == string.Empty)
{
return;
}
var formattedText = new FormattedText(
Text,
System.Globalization.CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
new Typeface(FontFamily.Source),
FontSize, ForegroundBrush);
var leftMargin = 4.0 + BorderThickness.Left + LineNumberMarginWidth;
var topMargin = 2.0 + BorderThickness.Top;
// Background highlight
if (HighlightText != null && HighlightText.Any())
{
foreach (string text in HighlightText)
{
var index = 0;
var lastIndex = Text.LastIndexOf(text, StringComparison.OrdinalIgnoreCase);
while (index <= lastIndex)
{
index = Text.IndexOf(text, index, StringComparison.OrdinalIgnoreCase);
Geometry geom = formattedText.BuildHighlightGeometry(new Point(leftMargin, topMargin - VerticalOffset), index, text.Length);
if (geom != null)
{
drawingContext.DrawGeometry(HighlightBrush, null, geom);
}
index += 1;
}
}
}
HighlightSyntax(formattedText);
// left from first char boundary
var leftBorder = GetRectFromCharacterIndex(0).Left;
if (!Double.IsInfinity(leftBorder))
{
_leftTextBorder = leftBorder;
}
drawingContext.DrawText(formattedText, new Point(_leftTextBorder - HorizontalOffset, topMargin - VerticalOffset));
// draw lines
if (GetLastVisibleLineIndex() != -1)
{
LastLineNumberFormat = GetLineNumbers();
}
if (LastLineNumberFormat != null)
{
LastLineNumberFormat.SetForegroundBrush(LineNumberBrush);
drawingContext.DrawText(LastLineNumberFormat, new Point(3, topMargin));
}
}
/// <summary>
/// Render all input data as hex-formatted text lines
/// </summary>
/// <param name="dc"></param>
protected override void OnRender(DrawingContext dc)
{
Stopwatch watch = new Stopwatch();
watch.Start();
// Draw background
object objBackgroundBrush = ReadLocalValue(BackgroundProperty);
if (!object.ReferenceEquals(objBackgroundBrush, DependencyProperty.UnsetValue))
{
dc.DrawRectangle(objBackgroundBrush as Brush, null, new Rect(new Point(0, 0), RenderSize));
}
if (Data == null)
return;// nothing to render
// total data line count
_lineCount = m_byteCount / 16;
if (m_byteCount % 16 > 0)
_lineCount++;
// loop by byte collection
IEnumerator<byte> en = Data.GetEnumerator();
double y = Padding.Top;
Typeface tf = new Typeface(FontFamily, FontStyles.Normal, FontWeight, FontStretches.Normal);
float percentage = 0;
for (int i = 0; i < _lineCount; ++i)
{
var point = new Point(Padding.Left, (int) Math.Ceiling(y));
var txt = new FormattedText(NextHexLine(i, en), CultureInfo.CurrentCulture, FlowDirection.LeftToRight, tf, FontSize, Foreground);
if (i == 0)
{
var tmp = txt.BuildHighlightGeometry(point, 14, 47);
_leftBound = tmp.Bounds.Left;
_rightBound = tmp.Bounds.Right;
_boundWidth = _rightBound - _leftBound;
}
var b = Map.Highlight(i * 16, (i + 1) * 16);
percentage += b.Count(x => x > 0);
int? gon = null;
var start = 0;
var end = 0;
for (var j = 0; j < 16; j++)
{
if (gon != null && (b[j] != gon || j == 15))
{
var c = gon.Value;
gon = null;
end = b[j] == 0 ? j - 1 : 15;
end = 16 + (end * 3);
var g = txt.BuildHighlightGeometry(point, start, end - start);
dc.DrawGeometry(c == 1 ? Brushes.Aquamarine : Brushes.DarkSalmon, null, g);
}
if (gon == null && b[j] > 0)
{
gon = b[j];
start = 14 + (j*3);
}
}
dc.DrawText(txt, point);
y += txt.Height;
}
percentage = percentage * 100 / m_byteCount;
Percentage = percentage;
watch.Stop();
Result = string.Format("Bytes: {0}, Rows: {1}, Load time: {3} ({2}%)", m_byteCount, _lineCount, percentage, watch.Elapsed);
}
