public static ImageSource GetImage(LineCapExtension join, bool isForEndCap)
{
const int bmpHeight = 24;
const int bmpWidth = 48;
const double lineWidth = bmpHeight * 0.4;
if (null == _interopBitmap)
{
_interopBitmap = new GdiToWpfBitmap(bmpWidth, bmpHeight);
}
using (var grfx = _interopBitmap.BeginGdiPainting())
{
grfx.CompositingMode = sdd.CompositingMode.SourceCopy;
grfx.FillRectangle(System.Drawing.Brushes.Transparent, 0, 0, bmpWidth, bmpHeight);
var linePen = new System.Drawing.Pen(System.Drawing.Brushes.Black, (float)Math.Ceiling(lineWidth));
if (isForEndCap)
{
join.SetEndCap(linePen);
grfx.DrawLine(linePen, 0, 0.5f * bmpHeight, bmpWidth * (1 - 0.25f), 0.5f * bmpHeight);
}
else
{
join.SetStartCap(linePen);
grfx.DrawLine(linePen, 0.25f * bmpWidth, 0.5f * bmpHeight, bmpWidth, 0.5f * bmpHeight);
}
_interopBitmap.EndGdiPainting();
}
var img = new WriteableBitmap(_interopBitmap.WpfBitmap);
img.Freeze();
return(img);
}
private void SetDefaultValues()
{
foreach (LineCapExtension cap in LineCapExtension.GetRegisteredValues())
{
var item = new ImageComboBoxItem(this, cap);
_cachedItems.Add(cap.Name, item);
Items.Add(item);
}
}
/// <summary>
/// Copies the properties of another instance to this instance.
/// </summary>
/// <param name="pen">the PenHolder object to copy</param>
public void CopyFrom(PenX pen)
{
if (object.ReferenceEquals(this, pen))
return;
_SetPenVariable(null);
this._configuredProperties = pen._configuredProperties;
this._penType = pen.PenType;
this._alignment = pen.Alignment;
if (0 != (this._configuredProperties & Configured.Brush))
this._brush = new BrushX(pen._brush);
this._color = pen.Color;
if (null != pen._compoundArray)
this._compoundArray = (float[])pen.CompoundArray.Clone();
else
this._compoundArray = null;
this._dashPattern = pen._dashPattern; // immutable
this._dashCap = pen._dashCap;
this._cachedDashStyle = pen._cachedDashStyle;
if (null != pen._cachedDashPattern)
this._cachedDashPattern = (float[])pen._cachedDashPattern.Clone();
else
this._cachedDashPattern = null;
this._cachedDashOffset = pen._cachedDashOffset;
this._endCap = pen.EndCap;
this._lineJoin = pen.LineJoin;
this._miterLimit = pen.MiterLimit;
this._startCap = pen.StartCap;
if (null != pen._transformation)
this._transformation = pen.Transform.Clone();
else
this._transformation = null;
this._width = pen.Width;
// note: there is an problem with Pen.Clone() : if the Color of the pen
// was set to a known color, the color of the cloned pen is the same, but no longer a known color
// therefore we avoid the cloning of the pen here
// if(m_CachedMode && null!=pen.m_Pen)
// _SetPenVariable( (Pen)pen.m_Pen.Clone() );
// else
// _SetPenVariable(null);
}
public PenX(NamedColor c, double width, bool bCachedMode)
{
this._penType = PenType.SolidColor;
_dashPattern = DashPatternListManager.Instance.BuiltinDefaultSolid;
this._color = c;
this._width = width;
this._startCap = LineCapExtension.Flat;
this._endCap = LineCapExtension.Flat;
_SetProp(PenX.Configured.IsNotNull, true);
_SetProp(Configured.Color, NamedColors.Black != c);
_SetProp(Configured.Width, 1 != width);
if (bCachedMode)
_SetPenVariable(new Pen(ToGdi(c), (float)width));
}
