“Excel VBA RGB Colors Converter” Ответ

Excel VBA RGB Colors Converter

Public Function ConvertRGBToHEX(iRed As Integer, iGreen As Integer, iBlue As Integer) As String
    ConvertRGBToHEX = "#" & Right("0" & Hex(iRed), 2) & Right("0" & Hex(iGreen), 2) & Right("0" & Hex(iBlue), 2)
End Function

Public Function ConvertHexToRGB(sHexColor As String, sRGB As String) As Integer
    sHexColor = Replace(sHexColor, "#", "")
    Select Case UCase(sRGB)
        Case "R"
            ConvertHexToRGB = CInt("&h" & Left(sHexColor, 2))
        Case "G"
            ConvertHexToRGB = CInt("&h" & Mid(sHexColor, 3, 2))
        Case "B"
            ConvertHexToRGB = CInt("&h" & Right(sHexColor, 2))
    End Select
End Function

Public Function ConvertRGBToLong(iRed As Integer, iGreen As Integer, iBlue As Integer) As Long
    ConvertRGBToLong = RGB(iRed, iGreen, iBlue)
End Function

Public Function ConvertLongToRGB(lColor As Long, sRGB As String) As Integer
    Select Case UCase(sRGB)
        Case "R"
            ConvertLongToRGB = lColor Mod 256
        Case "G"
            ConvertLongToRGB = lColor \ 2 ^ 8 Mod 256
        Case "B"
            ConvertLongToRGB = lColor \ 2 ^ 16 Mod 256
    End Select
End Function

Public Function ConvertLongToHex(lColor As Long) As String
    Dim sRed As String, sGreen As String, sBlue As String
    sRed = Right("00" & Hex(lColor Mod 256), 2)
    sGreen = Right("00" & Hex(lColor \ 2 ^ 8 Mod 256), 2)
    sBlue = Right("00" & Hex(lColor \ 2 ^ 16 Mod 256), 2)
    ConvertLongToHex = "#" & sRed & sGreen & sBlue
End Function

Public Function ConvertHexToLong(sHexColor As String) As Long
    Dim sRed As String, sGreen As String, sBlue As String
    sHexColor = Replace(sHexColor, "#", "")
    sRed = Left(sHexColor, 2)
    sGreen = Mid(sHexColor, 3, 2)
    sBlue = Right(sHexColor, 2)
    ConvertHexToLong = CLng("&h" & sBlue) * 2 ^ 16 + CLng("&h" & sGreen) * 2 ^ 8 + CLng("&h" & sRed)
End Function