public override void DrawTextForAllNodes(Graphics oGraphics, Rectangle oTreemapRectangle, Nodes oNodes)
{
Debug.Assert(oGraphics != null);
Debug.Assert(oNodes != null);
this.AssertValid();
FontForRectangle fontForRectangle = null;
SolidBrush solidBrush = null;
TextRenderingHint textRenderingHint = TextRenderingHint.SystemDefault;
try
{
fontForRectangle = new FontForRectangle(this.m_sFontFamily, this.m_fFontSizePt, oGraphics);
textRenderingHint = base.SetTextRenderingHint(oGraphics, fontForRectangle.Font);
solidBrush = new SolidBrush(this.m_oTextColor);
StringFormat oNonLeafStringFormat = this.CreateStringFormat(false);
StringFormat oLeafStringFormat = this.CreateStringFormat(true);
int textHeight = TopTextDrawer.GetTextHeight(oGraphics, fontForRectangle.Font, this.m_iMinimumTextHeight);
this.DrawTextForNodes(oNodes, oGraphics, fontForRectangle, textHeight, solidBrush, null, oNonLeafStringFormat, oLeafStringFormat, 0);
}
finally
{
if (solidBrush != null)
{
solidBrush.Dispose();
}
if (fontForRectangle != null)
{
fontForRectangle.Dispose();
}
oGraphics.TextRenderingHint = textRenderingHint;
}
}
public override void DrawTextForSelectedNode(Graphics oGraphics, Node oSelectedNode)
{
Debug.Assert(oGraphics != null);
Debug.Assert(oSelectedNode != null);
AssertValid();
FontForRectangle fontForRectangle = null;
SolidBrush solidBrush = null;
SolidBrush solidBrush2 = null;
TextRenderingHint textRenderingHint = TextRenderingHint.SystemDefault;
try
{
fontForRectangle = new FontForRectangle(m_sFontFamily, m_fFontSizePt, oGraphics);
textRenderingHint = SetTextRenderingHint(oGraphics, fontForRectangle.Font);
solidBrush = new SolidBrush(m_oSelectedFontColor);
solidBrush2 = new SolidBrush(m_oSelectedBackColor);
StringFormat oNonLeafStringFormat = CreateStringFormat(bLeafNode: false);
StringFormat oLeafStringFormat = CreateStringFormat(bLeafNode: true);
int textHeight = GetTextHeight(oGraphics, fontForRectangle.Font, m_iMinimumTextHeight);
DrawTextForNode(oGraphics, oSelectedNode, fontForRectangle, textHeight, solidBrush, solidBrush2, oNonLeafStringFormat, oLeafStringFormat);
}
finally
{
solidBrush?.Dispose();
solidBrush2?.Dispose();
fontForRectangle?.Dispose();
oGraphics.TextRenderingHint = textRenderingHint;
}
}
protected void Dispose(bool bDisposing)
{
if (!this.m_bDisposed && bDisposing)
{
if (this.m_oFontForRectangles != null)
{
IEnumerator enumerator = this.m_oFontForRectangles.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
FontForRectangle fontForRectangle = (FontForRectangle)enumerator.Current;
fontForRectangle.Dispose();
}
}
finally
{
IDisposable disposable = enumerator as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
}
this.m_oFontForRectangles = null;
}
this.m_bDisposed = true;
}
public static int GetTextHeight(Graphics oGraphics, string sFontFamily, float fFontSizePt, int iMinimumTextHeight)
{
Debug.Assert(oGraphics != null);
StringUtil.AssertNotEmpty(sFontFamily);
Debug.Assert(fFontSizePt > 0f);
Debug.Assert(iMinimumTextHeight >= 0);
FontForRectangle fontForRectangle = null;
try
{
fontForRectangle = new FontForRectangle(sFontFamily, fFontSizePt, oGraphics);
return(GetTextHeight(oGraphics, fontForRectangle.Font, iMinimumTextHeight));
}
finally
{
fontForRectangle?.Dispose();
}
}