本文整理汇总了VB.NET中System.Drawing.Color.GetBrightness方法的典型用法代码示例。如果您正苦于以下问题:VB.NET Color.GetBrightness方法的具体用法?VB.NET Color.GetBrightness怎么用?VB.NET Color.GetBrightness使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Drawing.Color
的用法示例。
在下文中一共展示了Color.GetBrightness方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: colorMatches
Public Sub KnownColorBrightnessExample2(ByVal e As PaintEventArgs)
Dim g As Graphics = e.Graphics
' Color structures. One is used for temporary storage. The other
' is a constant used for comparisons.
Dim someColor As Color = Color.FromArgb(0)
Dim redShade As Color = Color.FromArgb(255, 200, 0, 100)
' Array to store KnownColor values that match the brightness of the
' redShade color.
Dim colorMatches(15) As KnownColor
' Number of matches found.
Dim count As Integer = 0
' iterate through the KnownColor enums until 15 matches are found.
Dim enumValue As KnownColor
For enumValue = 0 To KnownColor.YellowGreen
someColor = Color.FromKnownColor(enumValue)
If (someColor.GetBrightness()) = (redShade.GetBrightness()) Then
colorMatches(count) = enumValue
count += 1
If count > 15 Then
Exit For
End If
End If
Next enumValue
' Display the redShade color and its argb value.
Dim myBrush1 As New SolidBrush(redShade)
Dim myFont As New Font("Arial", 12)
Dim x As Integer = 20
Dim y As Integer = 20
someColor = redShade
g.FillRectangle(myBrush1, x, y, 100, 30)
g.DrawString(someColor.ToString(), myFont, Brushes.Black, _
x + 120, y)
' Iterate through the matches that were found and display each
' color that corresponds with the enum value in the array.
' Display the name of the KnownColor.
Dim i As Integer
For i = 0 To count - 1
y += 40
someColor = Color.FromKnownColor(colorMatches(i))
myBrush1.Color = someColor
g.FillRectangle(myBrush1, x, y, 100, 30)
g.DrawString(someColor.ToString(), myFont, Brushes.Black, _
x + 120, y)
Next i
End Sub