/// <summary>
/// 创建画刷,渲染背景和边框使用
/// </summary>
/// <param name="rect">画刷区域</param>
/// <param name="baseColor">基色</param>
/// <param name="pos1">基色位置1</param>
/// <param name="pos2">基色位置2</param>
/// <param name="reverse">是否反转</param>
/// <param name="mode">渐变模式</param>
/// <param name="style">样式</param>
/// <returns>画刷</returns>
public static Brush CreateBrush(Rectangle rect, Color baseColor, float pos1, float pos2, bool reverse, LinearGradientMode mode, BlendStyle style)
{
Brush brush = null;
RectangleEx.MakeNotEmpty(ref rect);
switch (style)
{
case BlendStyle.Solid:
{
SolidBrush brushTmp = new SolidBrush(baseColor);
brush = brushTmp;
brushTmp = null;
}
break;
case BlendStyle.Gradient:
{
LinearGradientBrush brushTmp = new LinearGradientBrush(rect, Color.Empty, Color.Empty, mode);
//画刷设置
ColorBlend blendTmp = new ColorBlend();
Color[] colors;
float[] positions;
RenderEngine.GetColorPosGradient(baseColor, pos1, pos2, reverse, false, out colors, out positions);
blendTmp.Colors = colors;
blendTmp.Positions = positions;
//
brushTmp.InterpolationColors = blendTmp;
brush = brushTmp;
brushTmp = null;
}
break;
case BlendStyle.FadeIn:
{
LinearGradientBrush brushTmp = new LinearGradientBrush(rect, Color.Empty, Color.Empty, mode);
//画刷设置
ColorBlend blendTmp = new ColorBlend();
Color[] colors;
float[] positions;
RenderEngine.GetColorPosFadeIn(baseColor, pos1, pos2, reverse, false, out colors, out positions);
blendTmp.Colors = colors;
blendTmp.Positions = positions;
//
brushTmp.InterpolationColors = blendTmp;
brush = brushTmp;
brushTmp = null;
}
break;
case BlendStyle.FadeOut:
{
LinearGradientBrush brushTmp = new LinearGradientBrush(rect, Color.Empty, Color.Empty, mode);
//画刷设置
ColorBlend blendTmp = new ColorBlend();
Color[] colors;
float[] positions;
RenderEngine.GetColorPosFadeOut(baseColor, pos1, pos2, reverse, false, out colors, out positions);
blendTmp.Colors = colors;
blendTmp.Positions = positions;
//
brushTmp.InterpolationColors = blendTmp;
brush = brushTmp;
brushTmp = null;
}
break;
case BlendStyle.FadeInFadeOut:
{
LinearGradientBrush brushTmp = new LinearGradientBrush(rect, Color.Empty, Color.Empty, mode);
//画刷设置
ColorBlend blendTmp = new ColorBlend();
Color[] colors;
float[] positions;
RenderEngine.GetColorPosFadeInFadeOut(baseColor, pos1, pos2, reverse, false, out colors, out positions);
blendTmp.Colors = colors;
blendTmp.Positions = positions;
//
brushTmp.InterpolationColors = blendTmp;
brush = brushTmp;
brushTmp = null;
}
break;
default:
break;
}
return(brush);
}
/// <summary>
/// 创建画刷,渲染线段使用
/// </summary>
/// <param name="pt1">起点</param>
/// <param name="pt2">终点</param>
/// <param name="baseColor">基色</param>
/// <param name="style">样式</param>
/// <returns>画刷</returns>
public static Brush CreateBrush(Point pt1, Point pt2, Color baseColor, BlendStyle style)
{
Brush brush = null;
switch (style)
{
case BlendStyle.Solid:
{
SolidBrush brushTmp = new SolidBrush(baseColor);
brush = brushTmp;
brushTmp = null;
}
break;
case BlendStyle.Gradient:
{
LinearGradientBrush brushTmp = new LinearGradientBrush(GetLineRect(pt1, pt2), Color.Empty, Color.Empty, GetLineDegrees(pt1, pt2));
//画刷设置
ColorBlend blendTmp = new ColorBlend();
Color[] colors;
float[] positions;
RenderEngine.GetColorPosGradient(baseColor, float.NaN, float.NaN, false, true, out colors, out positions);
blendTmp.Colors = colors;
blendTmp.Positions = positions;
//
brushTmp.InterpolationColors = blendTmp;
brush = brushTmp;
brushTmp = null;
}
break;
case BlendStyle.FadeIn:
{
LinearGradientBrush brushTmp = new LinearGradientBrush(GetLineRect(pt1, pt2), Color.Empty, Color.Empty, GetLineDegrees(pt1, pt2));
//画刷设置
ColorBlend blendTmp = new ColorBlend();
Color[] colors;
float[] positions;
RenderEngine.GetColorPosFadeIn(baseColor, float.NaN, float.NaN, false, true, out colors, out positions);
blendTmp.Colors = colors;
blendTmp.Positions = positions;
//
brushTmp.InterpolationColors = blendTmp;
brush = brushTmp;
brushTmp = null;
}
break;
case BlendStyle.FadeOut:
{
LinearGradientBrush brushTmp = new LinearGradientBrush(GetLineRect(pt1, pt2), Color.Empty, Color.Empty, GetLineDegrees(pt1, pt2));
//画刷设置
ColorBlend blendTmp = new ColorBlend();
Color[] colors;
float[] positions;
RenderEngine.GetColorPosFadeOut(baseColor, float.NaN, float.NaN, false, true, out colors, out positions);
blendTmp.Colors = colors;
blendTmp.Positions = positions;
//
brushTmp.InterpolationColors = blendTmp;
brush = brushTmp;
brushTmp = null;
}
break;
case BlendStyle.FadeInFadeOut:
{
LinearGradientBrush brushTmp = new LinearGradientBrush(GetLineRect(pt1, pt2), Color.Empty, Color.Empty, GetLineDegrees(pt1, pt2));
//画刷设置
ColorBlend blendTmp = new ColorBlend();
Color[] colors;
float[] positions;
RenderEngine.GetColorPosFadeInFadeOut(baseColor, float.NaN, float.NaN, false, true, out colors, out positions);
blendTmp.Colors = colors;
blendTmp.Positions = positions;
//
brushTmp.InterpolationColors = blendTmp;
brush = brushTmp;
brushTmp = null;
}
break;
default:
break;
}
return(brush);
}
