/// <summary>
/// 使用渐变色渲染一个图形区域
/// </summary>
/// <param name="g">The g.</param>
/// <param name="path">The path.</param>
/// <param name="rect">The rect.</param>
/// <param name="color">The color.</param>
/// User:Ryan CreateTime:2012-8-6 21:27.
public static void FillPath(Graphics g, GraphicsPath path, Rectangle rect, GradientColor color)
{
using (LinearGradientBrush brush = new LinearGradientBrush(rect, color.First, color.Second, LinearGradientMode.Vertical))
{
brush.Blend.Factors = color.Factors;
brush.Blend.Positions = color.Positions;
g.FillPath(brush, path);
}
}
/// <summary>
/// 渲染一个矩形区域（渐变色）
/// Fills the rectangle.
/// </summary>
/// <param name="g">The g.</param>
/// <param name="rect">The rect.</param>
/// <param name="color">The color.</param>
/// User:Ryan CreateTime:2012-8-3 21:25.
public static void FillRectangle(Graphics g, Rectangle rect, GradientColor color)
{
if (rect.Width <= 0 || rect.Height <= 0 || g == null)
{
return;
}
using (LinearGradientBrush brush = new LinearGradientBrush(rect, color.First, color.Second, LinearGradientMode.Vertical))
{
brush.Blend.Factors = color.Factors;
brush.Blend.Positions = color.Positions;
g.FillRectangle(brush, rect);
}
}
/// <summary>
/// 渲染一个圆角矩形区域（渐变色）
/// Fills the rectangle.
/// </summary>
/// <param name="g">The g.</param>
/// <param name="roundRect">The round rect.</param>
/// <param name="color">The color.</param>
/// User:Ryan CreateTime:2012-8-3 21:45.
public static void FillRectangle(Graphics g, RoundRectangle roundRect, GradientColor color)
{
if (roundRect.Rect.Width <= 0 || roundRect.Rect.Height <= 0)
{
return;
}
using (GraphicsPath path = roundRect.ToGraphicsBezierPath())
{
using (LinearGradientBrush brush = new LinearGradientBrush(roundRect.Rect, color.First, color.Second, LinearGradientMode.Vertical))
{
brush.Blend.Factors = color.Factors;
brush.Blend.Positions = color.Positions;
g.FillPath(brush, path);
}
}
}
/// <summary>
/// 渲染圆角矩形区域（级渲染）
/// </summary>
/// <param name="g">The Graphics.</param>
/// <param name="roundRect">The RoundRectangle.</param>
/// <param name="color1">The color1.</param>
/// <param name="color2">The color2.</param>
/// <param name="blend">色彩混合渲染方案</param>
/// User:K.Anding CreateTime:2011-7-20 23:27.
public static void FillPath(Graphics g, RoundRectangle roundRect, Color color1, Color color2, Blend blend)
{
GradientColor color = new GradientColor(color1, color2, blend.Factors, blend.Positions);
GDIHelper.FillRectangle(g, roundRect, color);
}