public void Draw(Graphics g, RectangleF rectF)
{
using (Brush brush = new SolidBrush(ForeColor))
{
if (Image != null)
{
g.DrawImage(Image, rectF);
}
else if (_symbolType != MedSymbolType.None)
{
MedSymbol symbol = new MedSymbol(_symbolType);
symbol.Size = 8;
symbol.Pen = new Pen(ForeColor);
symbol.Draw(g, rectF.X + symbol.Size / 2, rectF.Y + symbol.Size / 2);
}
else if (_multiLine)
{
StringFormat sf = new StringFormat();
sf.Alignment = StringAlignment.Near;
g.DrawString(Text, Font, brush, rectF, sf);
}
else
{
switch (TextAlign)
{
case ContentAlignment.MiddleCenter:
g.DrawString(Text, Font, brush, rectF.X + (rectF.Width - g.MeasureString(Text, Font).Width) / 2, rectF.Y + (rectF.Height - g.MeasureString(Text, Font).Height) / 2);
break;
default:
g.DrawString(Text, Font, brush, rectF.X, rectF.Y);
break;
}
}
}
}
public override void DrawGraphics(Graphics g)
{
base.DrawGraphics(g);
using (SolidBrush solidBrush = new SolidBrush(Color.White))
{
g.FillRectangle(solidBrush, OriginRect);
}
RectangleF rectF = new RectangleF(OriginRect.X + 2, OriginRect.Y + 2, OriginRect.Width - 4, OriginRect.Height - 4);
if (_vitalSign != null && _legendType == LegengType.Vertical)
{
_vitalSign.DrawLegend(g, rectF);
}
else
{
List <string> aliass = new List <string>();
int index = 0;
int idx = 0;
if (_legendType == LegengType.Vertical)
{
float offX = 5;
float rowHeight = g.MeasureString("平均动脉压", Font).Height;
foreach (string str in _symbolDict.Keys)
{
idx++;
if (string.IsNullOrEmpty(str) || aliass.Contains(str))
{
continue;
}
if ((idx - 1) >= _startLegendIndex)
{
if (rectF.Y + 1 + (index + 1) * rowHeight > rectF.Bottom)
{
break;
}
aliass.Add(str);
_symbolDict[str].LegengSymbol.Draw(g, rectF.X + offX, rectF.Y + (rowHeight) / 2 + index * rowHeight);
using (SolidBrush solidBrush = new SolidBrush(_symbolDict[str].LegengSymbol.Pen.Color))
{
g.DrawString(_symbolDict[str].LegengName, Font, solidBrush, rectF.X + 3 + _symbolDict[str].LegengSymbol.Size, rectF.Y + 1 + index * rowHeight);
}
index++;
}
}
}
else if (_legendType == LegengType.Horizontal)
{
//float rowHeight = g.MeasureString("平均动脉压", Font).Height + 2;
float rowHeight = g.MeasureString("平均动脉压", Font).Height;
MedSymbol symbol = null;
float symbolPosX = 0, symbolStringPosY = 0, symbolPosY;
float offX = 5;
float rowSplitWidth = 10; //行项与项之间距
symbolPosX = rectF.X + offX;
//symbolPosY = rectF.Y + (rowHeight) / 2;
symbolPosY = rectF.Y + this.Height / 2;
symbolStringPosY = rectF.Y + this.Height / 2 - rowHeight / 2;
foreach (string str in _symbolDict.Keys)
{
idx++;
if (string.IsNullOrEmpty(str) || aliass.Contains(str))
{
continue;
}
float rowWidth = g.MeasureString(str, Font).Width + 4f;
if ((idx - 1) >= _startLegendIndex)
{
symbol = _symbolDict[str].LegengSymbol;
if ((symbolPosX + symbol.Size + offX + g.MeasureString(str, Font).Width + rowSplitWidth + offX) > rectF.Right)
{
break;
}
symbolPosY = rectF.Y + (this.Height - symbol.Size) / 2;
aliass.Add(str);
symbol.Draw(g, symbolPosX, symbolPosY);
symbolPosX += symbol.Size + offX; //加上偏移
using (SolidBrush solidBrush3 = new SolidBrush(symbol.Pen.Color))
{
g.DrawString(_symbolDict[str].LegengName, Font, solidBrush3, symbolPosX, symbolStringPosY);
}
symbolPosX += g.MeasureString(_symbolDict[str].LegengName, Font).Width + rowSplitWidth + offX;
index++;
}
}
}
_endLegendIndex = idx == 0 ? 0 : (idx - 1);
}
PaintEventHandler eventHandle = Events[_customDraw] as PaintEventHandler;
if (eventHandle != null)
{
eventHandle(this, new PaintEventArgs(g, ClientRectangle));
}
}