Black Horizontal Bar Meters

pythondemo\blackhbarmeter.py
#!/usr/bin/python

# The ChartDirector for Python module is assumed to be in "../lib"
import sys, os
sys.path.insert(0, os.path.join(os.path.abspath(sys.path[0]), "..", "lib"))

from pychartdir import *

def createChart(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
    m = LinearMeter(260, 80, 0x000000)
    m.setRoundedFrame(Transparent)

    # Set the default text and line colors to white (0xffffff)
    m.setColor(TextColor, 0xffffff)
    m.setColor(LineColor, 0xffffff)

    # 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)
    m.setMeter(15, 24, 228, 20, Top)

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

    # Demostrate different types of color scales
    smoothColorScale = [0, 0x0000ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100, 0xff0000]
    stepColorScale = [0, 0x00dd00, 50, 0xffff00, 80, 0xff3333, 100]
    highLowColorScale = [0, 0x0000ff, 40, Transparent, 60, Transparent, 100, 0xff0000]
    highColorScale = [70, Transparent, 100, 0xff0000]

    if chartIndex == 0 :
        # Add a blue (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded corners
        m.addBar(0, value, 0x0088ff, glassEffect(NormalGlare, Top), 4)
        # Add a 5-pixel thick smooth color scale at y = 48 (below the meter scale)
        m.addColorScale(smoothColorScale, 48, 5)
    elif chartIndex == 1 :
        # Add a purple (0xaa66ff) bar from 0 to value
        m.addBar(0, value, 0xaa66ff)
        # Add a 4 pixel thick purple (0x880088) frame
        m.setThickFrame(4, 0x880088)
        # Add a 5-pixel thick high/low color scale at y = 48 (below the meter scale)
        m.addColorScale(highLowColorScale, 48, 5)
    elif chartIndex == 2 :
         # Add a green (0x00ee00) bar from 0 to value with right side soft lighting effect and 4
         # pixel rounded corners
        m.addBar(0, value, 0x00ee00, softLighting(Right), 4)
        # Add a 5-pixel thick step color scale at y = 48 (below the meter scale)
        m.addColorScale(stepColorScale, 48, 5)
    elif chartIndex == 3 :
          # Add an orange (0xff8800) bar from 0 to value with cylinder lighting effect
        m.addBar(0, value, 0xff8800, cylinderEffect())
        # Add a 4 pixel thick brown (0xbb5500) frame
        m.setThickFrame(4, 0xbb5500)
        # Add a 5-pixel thick high only color scale at y = 48 (below the meter scale)
        m.addColorScale(highColorScale, 48, 5)
    elif chartIndex == 4 :
         # Add a magneta (0xdd00dd) bar from 0 to value with top side soft lighting effect and 4
         # pixel rounded corners
        m.addBar(0, value, 0xdd00dd, softLighting(Top), 4)
        # Add a 5-pixel thick smooth color scale at y = 48 (below the meter scale)
        m.addColorScale(smoothColorScale, 48, 5)
    else :
         # Add a red (0xff0000) bar from 0 to value with bar lighting effect
        m.addBar(0, value, 0xff0000, barLighting())
        # Add a 4 pixel thick red (0xaa0000) frame
        m.setThickFrame(4, 0xaa0000)
           # Add a 5-pixel thick high/low color scale at y = 48 (below the meter scale)
        m.addColorScale(highLowColorScale, 48, 5)

    # Add a label left aligned to (12, 65) using 8pt Arial Bold font
    m.addText(12, 65, "Temperature C", "Arial Bold", 8, TextColor, 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.
    t = m.addText(243, 65, m.formatValue(value, "2"), "Arial", 8, 0xffffff, Right)
    t.setBackground(0x000000, 0x333333, -1)
    t.setRoundedCorners(3)

    # Output the chart
    m.makeChart("blackhbarmeter%s.png" % chartIndex)


createChart(0)
createChart(1)
createChart(2)
createChart(3)
createChart(4)
createChart(5)