private void PaintBackgroundPart(Graphics g, Rectangle bounds, GraphicsPath path, Color color1, Color color2, eGradientType gradientType, int gradientAngle)
{
if(color2.IsEmpty)
{
if(!color1.IsEmpty)
{
using(SolidBrush brush=new SolidBrush(color1))
g.FillPath(brush,path);
}
}
else if(!m_ColorTable.NodeTopGradientBegin.IsEmpty)
{
if (gradientType == eGradientType.Linear)
{
Rectangle rb = bounds;
rb.X--;
rb.Height++;
rb.Width += 2;
using (LinearGradientBrush brush = DisplayHelp.CreateLinearGradientBrush(rb, color1, color2, gradientAngle))
{
g.FillPath(brush, path);
}
}
else if (gradientType == eGradientType.Radial)
{
int d = (int)Math.Sqrt(bounds.Width * bounds.Width + bounds.Height * bounds.Height);
GraphicsPath fillPath = new GraphicsPath();
fillPath.AddEllipse(bounds.X - (d - bounds.Width), bounds.Y - (d - bounds.Height) / 2, d, d);
using (PathGradientBrush brush = new PathGradientBrush(fillPath))
{
brush.CenterColor = color1;
brush.SurroundColors = new Color[] { color2 };
g.FillPath(brush, path);
}
fillPath.Dispose();
}
}
}
public static Brush CreateBrush(Rectangle bounds, BackgroundColorBlendCollection colorBlend, int gradientAngle, eGradientType gradientType)
{
eBackgroundColorBlendType blendType = colorBlend.GetBlendType();
if (blendType == eBackgroundColorBlendType.Invalid)
return null;
if (blendType == eBackgroundColorBlendType.SolidColor)
{
return new SolidBrush(colorBlend[0].Color);
}
else if (blendType == eBackgroundColorBlendType.Relative)
{
try
{
if (gradientType == eGradientType.Linear)
{
bounds.Inflate(1, 1);
LinearGradientBrush brush =
DisplayHelp.CreateLinearGradientBrush(bounds, colorBlend[0].Color, colorBlend[colorBlend.Count - 1].Color,
gradientAngle);
brush.InterpolationColors = colorBlend.GetColorBlend();
return brush;
}
else if (gradientType == eGradientType.Radial)
{
int d = (int)Math.Sqrt(bounds.Width * bounds.Width + bounds.Height * bounds.Height) + 4;
GraphicsPath fillPath = new GraphicsPath();
fillPath.AddEllipse(bounds.X - (d - bounds.Width) / 2, bounds.Y - (d - bounds.Height) / 2, d, d);
PathGradientBrush brush = new PathGradientBrush(fillPath);
brush.CenterColor = colorBlend[0].Color;
brush.SurroundColors = new Color[] { colorBlend[colorBlend.Count - 1].Color };
brush.InterpolationColors = colorBlend.GetColorBlend();
return brush;
}
}
catch
{
return null;
}
}
else
{
BackgroundColorBlendCollection bc = colorBlend;
for (int i = 0; i < bc.Count; i += 2)
{
BackgroundColorBlend b1 = bc[i];
BackgroundColorBlend b2 = null;
if (i < bc.Count)
b2 = bc[i + 1];
if (b1 != null && b2 != null)
{
Rectangle rb = new Rectangle(bounds.X, bounds.Y + (int)b1.Position, bounds.Width,
(b2.Position == 1f ? bounds.Height : (int)b2.Position) - (int)b1.Position);
return DisplayHelp.CreateLinearGradientBrush(rb, b1.Color, b2.Color, gradientAngle);
}
}
}
return null;
}
/// <summary>
/// Reset all style properties to default values.
/// </summary>
public void Reset()
{
m_BackColor=Color.Empty;
m_BackColorSchemePart=eColorSchemePart.None;
m_BackColor2=Color.Empty;
m_BackColor2SchemePart=eColorSchemePart.None;
m_BackColorGradientAngle=0;
m_BackColorGradientType = eGradientType.Linear;
m_BackgroundImage=null;
m_BackgroundImagePosition=eStyleBackgroundImage.Stretch;
m_BackgroundImageAlpha=255;
m_BackColorBlend.Clear();
// Font
m_Font=null;
// Text Formating
m_WordWrap=false;
m_TextAlignment=eStyleTextAlignment.Near;
m_TextLineAlignment=eStyleTextAlignment.Center;
m_TextTrimming=eStyleTextTrimming.EllipsisCharacter;
m_TextColor=Color.Empty;
m_TextColorSchemePart=eColorSchemePart.None;
m_TextShadowColor = Color.Empty;
m_TextShadowColorSchemePart = eColorSchemePart.None;
m_TextShadowOffset = Point.Empty;
// Style margins
m_MarginLeft=0;
m_MarginRight=0;
m_MarginTop=0;
m_MarginBottom=0;
// Style inside padding
m_PaddingLeft=0;
m_PaddingRight=0;
m_PaddingTop=0;
m_PaddingBottom=0;
// Border
m_BorderLeft=eStyleBorderType.None;
m_BorderRight=eStyleBorderType.None;
m_BorderTop=eStyleBorderType.None;
m_BorderBottom=eStyleBorderType.None;
m_BorderColor=Color.Empty;
m_BorderColorSchemePart=eColorSchemePart.None;
m_BorderColor2 = Color.Empty;
m_BorderColor2SchemePart = eColorSchemePart.None;
m_BorderGradientAngle = 90;
m_BorderColorLight = Color.Empty;
m_BorderColorLightSchemePart = eColorSchemePart.None;
m_BorderColorLight2 = Color.Empty;
m_BorderColorLight2SchemePart = eColorSchemePart.None;
m_BorderLightGradientAngle = 90;
m_BorderLeftColor=Color.Empty;
m_BorderLeftColorSchemePart=eColorSchemePart.None;
m_BorderRightColor=Color.Empty;
m_BorderRightColorSchemePart=eColorSchemePart.None;
m_BorderTopColor=Color.Empty;
m_BorderTopColorSchemePart=eColorSchemePart.None;
m_BorderBottomColor=Color.Empty;
m_BorderBottomColorSchemePart=eColorSchemePart.None;
m_BorderLeftWidth=0;
m_BorderRightWidth=0;
m_BorderTopWidth=0;
m_BorderBottomWidth=0;
m_CornerType=eCornerType.Square;
m_CornerTypeTopLeft=eCornerType.Inherit;
m_CornerTypeTopRight=eCornerType.Inherit;
m_CornerTypeBottomLeft=eCornerType.Inherit;
m_CornerTypeBottomRight=eCornerType.Inherit;
m_CornerDiameter=DEFAULT_CORNER_DIAMETER;
m_Class = "";
m_MaximumHeight=0;
}
