/// <summary>
/// Draws a bar over the text of a pin to symbolize negative logic.
/// </summary>
private void DrawOverline(Graphics g, string text, Font font, Pen pen, float x, float y,
StringAlignmentKind alignmentKind, StringAlignment horizontalAlignment, StringAlignment verticalAlignment)
{
var overlineRanges = OverlineHelper.Parse(text);
if (overlineRanges.Length == 0)
{
return;
}
var plainText = text.Replace(@"\", "");
var offsetX = ScalePixelLength(0.5f);
var offsetY = 0.0f;
var rangeBounds = DrawingUtils.CalculateTextExtent(g, plainText, x, y, font,
alignmentKind, horizontalAlignment, verticalAlignment, overlineRanges);
foreach (var bound in rangeBounds)
{
var inflatedBound = bound.Inflated(-offsetX, -offsetY);
g.DrawLine(pen, inflatedBound.X, inflatedBound.Y, inflatedBound.Right, inflatedBound.Y);
}
}
private void RenderTextStringPrimitive(Graphics g, TextStringRecord textString)
{
var location = ScreenFromWorld(textString.Location.X, textString.Location.Y);
using (var brush = new SolidBrush(textString.Color))
using (var font = CreateFont(textString.FontId))
{
StringAlignment horizontalAlignment;
if (textString.Justification == TextJustification.BottomLeft ||
textString.Justification == TextJustification.MiddleLeft ||
textString.Justification == TextJustification.TopLeft)
{
horizontalAlignment = StringAlignment.Near;
}
else if (textString.Justification == TextJustification.BottomCenter ||
textString.Justification == TextJustification.MiddleCenter ||
textString.Justification == TextJustification.TopCenter)
{
horizontalAlignment = StringAlignment.Center;
}
else
{
horizontalAlignment = StringAlignment.Far;
}
StringAlignment verticalAlignment;
if (textString.Justification == TextJustification.BottomLeft ||
textString.Justification == TextJustification.BottomCenter ||
textString.Justification == TextJustification.BottomRight)
{
verticalAlignment = StringAlignment.Far;
}
else if (textString.Justification == TextJustification.MiddleLeft ||
textString.Justification == TextJustification.MiddleCenter ||
textString.Justification == TextJustification.MiddleRight)
{
verticalAlignment = StringAlignment.Center;
}
else
{
verticalAlignment = StringAlignment.Near;
}
g.TranslateTransform(location.X, location.Y);
if (textString.Orientations.HasFlag(TextOrientations.Rotated))
{
g.RotateTransform(-90);
}
if (textString.Orientations.HasFlag(TextOrientations.Flipped))
{
horizontalAlignment = StringAlignment.Far - (int)horizontalAlignment;
verticalAlignment = StringAlignment.Far - (int)verticalAlignment;
}
DrawingUtils.DrawString(g, textString.DisplayText, font, brush, 0, 0,
StringAlignmentKind.Extent, horizontalAlignment, verticalAlignment);
PrimitiveScreenBounds[textString] = DrawingUtils.CalculateTextExtent(g,
textString.DisplayText, font, location.X, location.Y,
StringAlignmentKind.Extent, horizontalAlignment, verticalAlignment);
}
}
