setPlotArea(50, 0, 250, 255, 0xffdddd);
#Add a custom text label at the top right corner of the right bar chart
$textObj = $c->addText(300, 0, "Female", "timesbi.ttf", 12, 0xa07070);
$textObj->setAlignment(TopRight);
#Add the pink (0xf0c0c0) bar chart layer using the female data
$femaleLayer = $c->addBarLayer($female, 0xf0c0c0);
#Swap the axis so that the bars are drawn horizontally
$c->swapXY(true);
#Set the bar to touch each others
$femaleLayer->setBarGap(TouchBar);
#Set the border style of the bars to 1 pixel 3D border
$femaleLayer->setBorderColor(-1, 1);
#Add a Transparent line layer to the chart using the male data. As it is
#Transparent, only the female bar chart can be seen. We need to put both male
#and female data in both left and right charts, because we want auto-scaling to
#produce the same scale for both chart.
$c->addLineLayer($male, Transparent);
#Set the y axis label font to Arial Bold
$c->yAxis->setLabelStyle("arialbd.ttf");
#Set the labels between the two bar charts, which can be considered as the
#x-axis labels for the right chart
$tb = $c->xAxis->setLabels($labels);
#Use a fix width of 50 for the labels (height = automatic) with center alignment
$tb->setSize(50, 0);
$tb->setAlignment(Center);
#Set the label font to Arial Bold
$tb->setFontStyle("arialbd.ttf");
#Disable ticks on the x-axis by setting the tick length to 0
$c->xAxis->setTickLength(0);
#=============================================================
# Draw the left bar chart
#=============================================================
#Create a XYChart object of size 280 x 300 pixels with a transparent background.
$c2 = new XYChart(280, 300, Transparent);
#Set the plotarea at (20, 0) and of size 250 x 255 pixels. Use pale blue
#(0xddddff) as the background.
$c2->setPlotArea(20, 0, 250, 255, 0xddddff);
#Add a custom text label at the top left corner of the left bar chart
$c2->addText(20, 0, "Male", "timesbi.ttf", 12, 0x7070a0);
#Add the pale blue (0xaaaaff) bar chart layer using the male data
$maleLayer = $c2->addBarLayer($male, 0xaaaaff);
#Swap the axis so that the bars are drawn horizontally
$c2->swapXY(true);
#Reverse the direction of the y-axis so it runs from right to left
$c2->yAxis->setReverse();
#Set the bar to touch each others
$maleLayer->setBarGap(TouchBar);
#Set the border style of the bars to 1 pixel 3D border
$maleLayer->setBorderColor(-1, 1);
#Add a Transparent line layer to the chart using the female data. As it is
#Transparent, only the male bar chart can be seen. We need to put both male and
#female data in both left and right charts, because we want auto-scaling to
#produce the same scale for both chart.
$c2->addLineLayer($female, Transparent);
#Set the y axis label font to Arial Bold
$c2->yAxis->setLabelStyle("arialbd.ttf");
#=============================================================
# Use a MultiChart to contain both bar charts
#=============================================================
#Create a MultiChart object of size 590 x 320 pixels.
$m = new MultiChart(590, 320);
#Add a title to the chart using Arial Bold Italic font
$m->addTitle("Demographics Hong Kong Year 2002", "arialbi.ttf");
#Add another title at the bottom using Arial Bold Italic font
$m->addTitle2(Bottom, "Population (in thousands)", "arialbi.ttf", 10);
#Put the right chatr at (270, 25)
$m->addChart(270, 25, $c);
#Put the left char at (0, 25)
$m->addChart(0, 25, $c2);
#output the chart
header("Content-type: image/png");
print($m->makeChart2(PNG));
?> |