/// <summary>
/// 根据当前的指示值和颜色模板更改Indicator Bar背景色
/// </summary>
void ChangeIndicatorBarBackground()
{
Color_Value previous_pattern = new Color_Value();
Color_Value next_pattern = new Color_Value();
/* 如果没有设置颜色模式列表，则用默认的Indicator Bar背景色绘制 */
if (this.IndicatorBarPattern.Count == 0)
{
this.IndicatorBar.Stroke = this.IndicatorBarBackground;
return;
}
/* 利用颜色模式列表绘制Indicator Bar背景 */
for (int i = 0; i < this.IndicatorBarPattern.Count; i++)
{
if (this.IndicatorValue < this.IndicatorBarPattern[i].Value)
{
/* 根据指示值获取Indicator Bar将要在哪两个颜色之间变色 */
if (i == 0)
{
previous_pattern.Background = this.IndicatorBarBackground;
previous_pattern.Value = this.Min;
}
else
{
previous_pattern = this.IndicatorBarPattern[i - 1];
}
next_pattern = this.IndicatorBarPattern[i];
/* 根据指示值和颜色模式列表计算Indicator Bar的背景色RGB分量 */
byte color_r = (byte)(
(this.IndicatorValue - previous_pattern.Value) / (next_pattern.Value - previous_pattern.Value) *
(next_pattern.Background.Color.R - previous_pattern.Background.Color.R) + previous_pattern.Background.Color.R);
byte color_g = (byte)(
(this.IndicatorValue - previous_pattern.Value) / (next_pattern.Value - previous_pattern.Value) *
(next_pattern.Background.Color.G - previous_pattern.Background.Color.G) + previous_pattern.Background.Color.G);
byte color_b = (byte)(
(this.IndicatorValue - previous_pattern.Value) / (next_pattern.Value - previous_pattern.Value) *
(next_pattern.Background.Color.B - previous_pattern.Background.Color.B) + previous_pattern.Background.Color.B);
this.IndicatorBar.Stroke = new SolidColorBrush(Color.FromRgb(color_r, color_g, color_b));
return;
}
}
/* 如果遍历完颜色模式列表还没有发现匹配的范围，则说明指示值超过模式列表的最大值，则用模式列表的最后一项绘制Indicator Bar背景 */
this.IndicatorBar.Stroke = this.IndicatorBarPattern[this.IndicatorBarPattern.Count - 1].Background;
}
/// <summary>
/// 对List<IndicatorBarColorPattern>进行排序的函数
/// </summary>
/// <param name="Arg1"></param>
/// <param name="Arg2"></param>
/// <returns></returns>
private static int SortCompare(Color_Value Arg1, Color_Value Arg2)
{
if (Arg1.Value < Arg2.Value)
{
return(-1);
}
else if (Arg1.Value > Arg2.Value)
{
return(1);
}
else
{
return(0);
}
}
/// <summary>
/// 根据当前的指示值和颜色模板更改Indicator Bar背景色
/// </summary>
void ChangeIndicatorBarBackground()
{
Color_Value previous_pattern = new Color_Value();
Color_Value next_pattern = new Color_Value();
/* 如果没有设置颜色模式列表，则用默认的Indicator Bar背景色绘制 */
if(this.IndicatorBarPattern.Count == 0)
{
this.IndicatorBar.Stroke = this.IndicatorBarBackground;
return;
}
/* 利用颜色模式列表绘制Indicator Bar背景 */
for (int i = 0; i < this.IndicatorBarPattern.Count; i++)
{
if (this.IndicatorValue < this.IndicatorBarPattern[i].Value)
{
/* 根据指示值获取Indicator Bar将要在哪两个颜色之间变色 */
if (i == 0)
{
previous_pattern.Background = this.IndicatorBarBackground;
previous_pattern.Value = this.Min;
}
else
{
previous_pattern = this.IndicatorBarPattern[i - 1];
}
next_pattern = this.IndicatorBarPattern[i];
/* 根据指示值和颜色模式列表计算Indicator Bar的背景色RGB分量 */
byte color_r =(byte)(
(this.IndicatorValue - previous_pattern.Value) / (next_pattern.Value - previous_pattern.Value) *
(next_pattern.Background.Color.R - previous_pattern.Background.Color.R) + previous_pattern.Background.Color.R);
byte color_g = (byte)(
(this.IndicatorValue - previous_pattern.Value) / (next_pattern.Value - previous_pattern.Value) *
(next_pattern.Background.Color.G - previous_pattern.Background.Color.G) + previous_pattern.Background.Color.G);
byte color_b = (byte)(
(this.IndicatorValue - previous_pattern.Value) / (next_pattern.Value - previous_pattern.Value) *
(next_pattern.Background.Color.B - previous_pattern.Background.Color.B) + previous_pattern.Background.Color.B);
this.IndicatorBar.Stroke = new SolidColorBrush(Color.FromRgb(color_r, color_g, color_b));
return;
}
}
/* 如果遍历完颜色模式列表还没有发现匹配的范围，则说明指示值超过模式列表的最大值，则用模式列表的最后一项绘制Indicator Bar背景 */
this.IndicatorBar.Stroke = this.IndicatorBarPattern[this.IndicatorBarPattern.Count - 1].Background;
}
/// <summary>
/// 对List<IndicatorBarColorPattern>进行排序的函数
/// </summary>
/// <param name="Arg1"></param>
/// <param name="Arg2"></param>
/// <returns></returns>
private static int SortCompare(Color_Value Arg1, Color_Value Arg2)
{
if (Arg1.Value < Arg2.Value)
return -1;
else if (Arg1.Value > Arg2.Value)
return 1;
else
return 0;
}
