129 lines
4.4 KiB
PHP
129 lines
4.4 KiB
PHP
<?php
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require_once("../lib/phpchartdir.php");
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# The age groups
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$labels = array("0 - 4", "5 - 9", "10 - 14", "15 - 19", "20 - 24", "24 - 29",
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"30 - 34", "35 - 39", "40 - 44", "44 - 49", "50 - 54", "55 - 59", "60 - 64",
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"65 - 69", "70 - 74", "75 - 79", "80+");
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# The male population (in thousands)
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$male = array(215, 238, 225, 236, 235, 260, 286, 340, 363, 305, 259, 164, 135, 127,
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102, 68, 66);
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# The female population (in thousands)
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$female = array(194, 203, 201, 220, 228, 271, 339, 401, 384, 304, 236, 137, 116, 122,
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112, 85, 110);
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#=============================================================
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# Draw the right bar chart
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#=============================================================
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# Create a XYChart object of size 320 x 300 pixels
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$c = new XYChart(320, 300);
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# Set the plotarea at (50, 0) and of size 250 x 255 pixels. Use pink (0xffdddd) as
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# the background.
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$c->setPlotArea(50, 0, 250, 255, 0xffdddd);
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# Add a custom text label at the top right corner of the right bar chart
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$textBoxObj = $c->addText(300, 0, "Female", "timesbi.ttf", 12, 0xa07070);
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$textBoxObj->setAlignment(TopRight);
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# Add the pink (0xf0c0c0) bar chart layer using the female data
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$femaleLayer = $c->addBarLayer($female, 0xf0c0c0);
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# Swap the axis so that the bars are drawn horizontally
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$c->swapXY(true);
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# Set the bar to touch each others
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$femaleLayer->setBarGap(TouchBar);
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# Set the border style of the bars to 1 pixel 3D border
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$femaleLayer->setBorderColor(-1, 1);
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# Add a Transparent line layer to the chart using the male data. As it is
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# Transparent, only the female bar chart can be seen. We need to put both male and
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# female data in both left and right charts, because we want auto-scaling to produce
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# the same scale for both chart.
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$c->addLineLayer($male, Transparent);
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# Set the y axis label font to Arial Bold
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$c->yAxis->setLabelStyle("arialbd.ttf");
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# Set the labels between the two bar charts, which can be considered as the x-axis
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# labels for the right chart
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$tb = $c->xAxis->setLabels($labels);
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# Use a fix width of 50 for the labels (height = automatic) with center alignment
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$tb->setSize(50, 0);
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$tb->setAlignment(Center);
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# Set the label font to Arial Bold
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$tb->setFontStyle("arialbd.ttf");
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# Disable ticks on the x-axis by setting the tick length to 0
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$c->xAxis->setTickLength(0);
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#=============================================================
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# Draw the left bar chart
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#=============================================================
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# Create a XYChart object of size 280 x 300 pixels with a transparent background.
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$c2 = new XYChart(280, 300, Transparent);
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# Set the plotarea at (20, 0) and of size 250 x 255 pixels. Use pale blue (0xddddff)
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# as the background.
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$c2->setPlotArea(20, 0, 250, 255, 0xddddff);
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# Add a custom text label at the top left corner of the left bar chart
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$c2->addText(20, 0, "Male", "timesbi.ttf", 12, 0x7070a0);
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# Add the pale blue (0xaaaaff) bar chart layer using the male data
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$maleLayer = $c2->addBarLayer($male, 0xaaaaff);
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# Swap the axis so that the bars are drawn horizontally
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$c2->swapXY(true);
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# Reverse the direction of the y-axis so it runs from right to left
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$c2->yAxis->setReverse();
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# Set the bar to touch each others
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$maleLayer->setBarGap(TouchBar);
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# Set the border style of the bars to 1 pixel 3D border
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$maleLayer->setBorderColor(-1, 1);
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# Add a Transparent line layer to the chart using the female data. As it is
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# Transparent, only the male bar chart can be seen. We need to put both male and
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# female data in both left and right charts, because we want auto-scaling to produce
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# the same scale for both chart.
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$c2->addLineLayer($female, Transparent);
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# Set the y axis label font to Arial Bold
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$c2->yAxis->setLabelStyle("arialbd.ttf");
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#=============================================================
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# Use a MultiChart to contain both bar charts
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#=============================================================
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# Create a MultiChart object of size 590 x 320 pixels.
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$m = new MultiChart(590, 320);
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# Add a title to the chart using Arial Bold Italic font
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$m->addTitle("Demographics Hong Kong Year 2002", "arialbi.ttf");
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# Add another title at the bottom using Arial Bold Italic font
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$m->addTitle2(Bottom, "Population (in thousands)", "arialbi.ttf", 10);
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# Put the right chatr at (270, 25)
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$m->addChart(270, 25, $c);
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# Put the left char at (0, 25)
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$m->addChart(0, 25, $c2);
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# output the chart
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header("Content-type: image/png");
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print($m->makeChart2(PNG));
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?>
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