Black Horizontal Bar Meters

[Web Version (in ASP)] aspdemo\blackhbarmeter.asp

<%@ language="vbscript" %>
<%
Set cd = CreateObject("ChartDirector.API")

' This script can draw different charts depending on the chartIndex
Sub createChart(viewer, chartIndex)

    ' The value to display on the meter
    value = 75.35

    ' Create a LinearMeter object of size 260 x 80 pixels with black background and rounded corners
    Set m = cd.LinearMeter(260, 80, &H000000)
    Call m.setRoundedFrame(cd.Transparent)

    ' Set the default text and line colors to white (0xffffff)
    Call m.setColor(cd.TextColor, &Hffffff)
    Call m.setColor(cd.LineColor, &Hffffff)

    ' Set the scale region top-left corner at (15, 24), with size of 228 x 20 pixels. The scale
    ' labels are located on the top (implies horizontal meter)
    Call m.setMeter(15, 24, 228, 20, cd.Top)

    ' Set meter scale from 0 - 100, with a tick every 10 units
    Call m.setScale(0, 100, 10)

    ' Demostrate different types of color scales
    smoothColorScale = Array(0, &H0000ff, 25, &H0088ff, 50, &H00ff00, 75, &Hdddd00, 100, &Hff0000)
    stepColorScale = Array(0, &H00dd00, 50, &Hffff00, 80, &Hff3333, 100)
    highLowColorScale = Array(0, &H0000ff, 40, cd.Transparent, 60, cd.Transparent, 100, &Hff0000)
    highColorScale = Array(70, cd.Transparent, 100, &Hff0000)

    If chartIndex = 0 Then
        ' Add a blue (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded corners
        Call m.addBar(0, value, &H0088ff, cd.glassEffect(cd.NormalGlare, cd.Top), 4)
        ' Add a 5-pixel thick smooth color scale at y = 48 (below the meter scale)
        Call m.addColorScale(smoothColorScale, 48, 5)
    ElseIf chartIndex = 1 Then
        ' Add a purple (0xaa66ff) bar from 0 to value
        Call m.addBar(0, value, &Haa66ff)
        ' Add a 4 pixel thick purple (0x880088) frame
        Call m.setThickFrame(4, &H880088)
        ' Add a 5-pixel thick high/low color scale at y = 48 (below the meter scale)
        Call m.addColorScale(highLowColorScale, 48, 5)
    ElseIf chartIndex = 2 Then
         ' Add a green (0x00ee00) bar from 0 to value with right side soft lighting effect and 4
         ' pixel rounded corners
        Call m.addBar(0, value, &H00ee00, cd.softLighting(cd.Right), 4)
        ' Add a 5-pixel thick step color scale at y = 48 (below the meter scale)
        Call m.addColorScale(stepColorScale, 48, 5)
    ElseIf chartIndex = 3 Then
          ' Add an orange (0xff8800) bar from 0 to value with cylinder lighting effect
        Call m.addBar(0, value, &Hff8800, cd.cylinderEffect())
        ' Add a 4 pixel thick brown (0xbb5500) frame
        Call m.setThickFrame(4, &Hbb5500)
        ' Add a 5-pixel thick high only color scale at y = 48 (below the meter scale)
        Call m.addColorScale(highColorScale, 48, 5)
    ElseIf chartIndex = 4 Then
         ' Add a magneta (0xdd00dd) bar from 0 to value with top side soft lighting effect and 4
         ' pixel rounded corners
        Call m.addBar(0, value, &Hdd00dd, cd.softLighting(cd.Top), 4)
        ' Add a 5-pixel thick smooth color scale at y = 48 (below the meter scale)
        Call m.addColorScale(smoothColorScale, 48, 5)
    Else
         ' Add a red (0xff0000) bar from 0 to value with bar lighting effect
        Call m.addBar(0, value, &Hff0000, cd.barLighting())
        ' Add a 4 pixel thick red (0xaa0000) frame
        Call m.setThickFrame(4, &Haa0000)
           ' Add a 5-pixel thick high/low color scale at y = 48 (below the meter scale)
        Call m.addColorScale(highLowColorScale, 48, 5)
    End If

    ' Add a label left aligned to (12, 65) using 8pt Arial Bold font
    Call m.addText(12, 65, "Temperature C", "Arial Bold", 8, cd.TextColor, cd.Left)

    ' Add a text box right aligned to (243, 65). Display the value using white (0xffffff) 8pt Arial
    ' Bold font on a black (0x000000) background with depressed dark grey (0x333333) rounded border.
    Set t = m.addText(243, 65, m.formatValue(value, "2"), "Arial", 8, &Hffffff, cd.Right)
    Call t.setBackground(&H000000, &H333333, -1)
    Call t.setRoundedCorners(3)

    ' Output the chart
    Call viewer.setChart(m, cd.SVG)
End Sub

' This example includes 6 charts
Dim viewers(5)
For i = 0 To Ubound(viewers)
    Set viewers(i) = cd.WebChartViewer(Request, "chart" & i)
    Call createChart(viewers(i), i)
Next
%>

<!DOCTYPE html>
<html>
<head>
    <title>Black Horizontal Bar Meters</title>
    <!-- Include ChartDirector Javascript Library to support chart interactions -->
    <script type="text/javascript" src="cdjcv.js"></script>
</head>
<body style="margin:5px 0px 0px 5px">
    <div style="font:bold 18pt verdana;">
        Black Horizontal Bar Meters
    </div>
    <hr style="border:solid 1px #000080; background:#000080" />
    <div style="font:10pt verdana; margin-bottom:1.5em">
        <a href="viewsource.asp?file=<%= Request("SCRIPT_NAME") %>">View Chart Source Code</a>
    </div>
    <!-- ****** Here are the chart images ****** -->
    <%
        For i = 0 To Ubound(viewers)
            Call Response.Write(viewers(i).renderHTML())
            Call Response.Write(" ")
        Next
    %>
</body>
</html>

[Windows Version (in Visual Basic)] vbdemo\blackhbarmeter.cls

Public Sub createChart(viewer As Object, chartIndex As Integer)

    Dim cd As New ChartDirector.API

    ' The value to display on the meter
    Dim value As Double
    value = 75.35

    ' Create a LinearMeter object of size 260 x 80 pixels with black background and rounded corners
    Dim m As LinearMeter
    Set m = cd.LinearMeter(260, 80, &H000000)
    Call m.setRoundedFrame()

    ' Set the default text and line colors to white (0xffffff)
    Call m.setColor(cd.TextColor, &Hffffff)
    Call m.setColor(cd.LineColor, &Hffffff)

    ' Set the scale region top-left corner at (15, 24), with size of 228 x 20 pixels. The scale
    ' labels are located on the top (implies horizontal meter)
    Call m.setMeter(15, 24, 228, 20, cd.Top)

    ' Set meter scale from 0 - 100, with a tick every 10 units
    Call m.setScale(0, 100, 10)

    ' Demostrate different types of color scales
    Dim smoothColorScale()
    smoothColorScale = Array(0, &H0000ff, 25, &H0088ff, 50, &H00ff00, 75, &Hdddd00, 100, &Hff0000)
    Dim stepColorScale()
    stepColorScale = Array(0, &H00dd00, 50, &Hffff00, 80, &Hff3333, 100)
    Dim highLowColorScale()
    highLowColorScale = Array(0, &H0000ff, 40, cd.Transparent, 60, cd.Transparent, 100, &Hff0000)
    Dim highColorScale()
    highColorScale = Array(70, cd.Transparent, 100, &Hff0000)

    If chartIndex = 0 Then
        ' Add a blue (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded corners
        Call m.addBar(0, value, &H0088ff, cd.glassEffect(cd.NormalGlare, cd.Top), 4)
        ' Add a 5-pixel thick smooth color scale at y = 48 (below the meter scale)
        Call m.addColorScale(smoothColorScale, 48, 5)
    ElseIf chartIndex = 1 Then
        ' Add a purple (0xaa66ff) bar from 0 to value
        Call m.addBar(0, value, &Haa66ff)
        ' Add a 4 pixel thick purple (0x880088) frame
        Call m.setThickFrame(4, &H880088)
        ' Add a 5-pixel thick high/low color scale at y = 48 (below the meter scale)
        Call m.addColorScale(highLowColorScale, 48, 5)
    ElseIf chartIndex = 2 Then
         ' Add a green (0x00ee00) bar from 0 to value with right side soft lighting effect and 4
         ' pixel rounded corners
        Call m.addBar(0, value, &H00ee00, cd.softLighting(cd.Right), 4)
        ' Add a 5-pixel thick step color scale at y = 48 (below the meter scale)
        Call m.addColorScale(stepColorScale, 48, 5)
    ElseIf chartIndex = 3 Then
          ' Add an orange (0xff8800) bar from 0 to value with cylinder lighting effect
        Call m.addBar(0, value, &Hff8800, cd.cylinderEffect())
        ' Add a 4 pixel thick brown (0xbb5500) frame
        Call m.setThickFrame(4, &Hbb5500)
        ' Add a 5-pixel thick high only color scale at y = 48 (below the meter scale)
        Call m.addColorScale(highColorScale, 48, 5)
    ElseIf chartIndex = 4 Then
         ' Add a magneta (0xdd00dd) bar from 0 to value with top side soft lighting effect and 4
         ' pixel rounded corners
        Call m.addBar(0, value, &Hdd00dd, cd.softLighting(cd.Top), 4)
        ' Add a 5-pixel thick smooth color scale at y = 48 (below the meter scale)
        Call m.addColorScale(smoothColorScale, 48, 5)
    Else
         ' Add a red (0xff0000) bar from 0 to value with bar lighting effect
        Call m.addBar(0, value, &Hff0000, cd.barLighting())
        ' Add a 4 pixel thick red (0xaa0000) frame
        Call m.setThickFrame(4, &Haa0000)
           ' Add a 5-pixel thick high/low color scale at y = 48 (below the meter scale)
        Call m.addColorScale(highLowColorScale, 48, 5)
    End If

    ' Add a label left aligned to (12, 65) using 8pt Arial Bold font
    Call m.addText(12, 65, "Temperature C", "arialbd.ttf", 8, cd.TextColor, cd.Left)

    ' Add a text box right aligned to (243, 65). Display the value using white (0xffffff) 8pt Arial
    ' Bold font on a black (0x000000) background with depressed dark grey (0x333333) rounded border.
    Dim t As ChartDirector.TextBox
    Set t = m.addText(243, 65, m.formatValue(value, "2"), "arial.ttf", 8, &Hffffff, cd.Right)
    Call t.setBackground(&H000000, &H333333, -1)
    Call t.setRoundedCorners(3)

    ' Output the chart
    Set viewer.Picture = m.makePicture()

End Sub