/// <summary>
/// 取得指定索引的色彩畫筆
/// </summary>
/// <param name="colorID">色彩索引</param>
/// <returns>取得畫筆</returns>
public Pen GetPen(string colorID)
{
DrawColor drawColor;
if (_DrawColor.TryGetValue(colorID, out drawColor))
{
if (drawColor.Pen == null)
{
Color penColor = ColorFix.GetColor(drawColor.Color, Opacity, RFix, GFix, BFix);
drawColor.Pen = DrawPool.GetPen(penColor);
}
return(drawColor.Pen);
}
return(_PenNull);
}
/// <summary>
/// 取得指定索引的色彩筆刷
/// </summary>
/// <param name="colorID">色彩索引</param>
/// <returns>取得筆刷</returns>
public SolidBrush GetBrush(string colorID)
{
DrawColor drawColor;
if (_DrawColor.TryGetValue(colorID, out drawColor))
{
if (drawColor.Brush == null)
{
Color brushColor = ColorFix.GetColor(drawColor.Color, Opacity, RFix, GFix, BFix);
drawColor.Brush = DrawPool.GetBrush(brushColor);
}
return(drawColor.Brush);
}
return(_BrushNull);
}
/// <summary>
/// 繪製到Graphics
/// </summary>
/// <param name="g">Graphics物件</param>
/// <param name="rectangle">繪製區域</param>
protected override void OnDraw(Graphics g, Rectangle rectangle)
{
Rectangle drawRectangle = GetScaleRectangle(rectangle);
if (Angle != 0)
{
float baseX = drawRectangle.Left + drawRectangle.Width / 2;
float baseY = drawRectangle.Top + drawRectangle.Height / 2;
var oldTransform = g.Transform;
g.TranslateTransform(baseX, baseY);
g.RotateTransform(Angle);
g.TranslateTransform(-baseX, -baseY);
ColorFix.DrawImage(g, Image, drawRectangle, Colors.Opacity, Colors.RFix, Colors.GFix, Colors.BFix);
g.Transform.Dispose();
g.Transform = oldTransform;
}
else
{
ColorFix.DrawImage(g, Image, drawRectangle, Colors.Opacity, Colors.RFix, Colors.GFix, Colors.BFix);
}
}