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73 lines
2.2 KiB
73 lines
2.2 KiB
4 years ago
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# Drawing a 2D ring chart
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[Reference](http://wiki.pchart.net/doc.pie.draw2dring.html)
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```php
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require '/path/to/your/vendor/autoload.php';
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use CpChart\Chart\Pie;
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use CpChart\Data;
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use CpChart\Image;
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/* Create and populate the Data object */
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$data = new Data();
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$data->addPoints([50, 2, 3, 4, 7, 10, 25, 48, 41, 10], "ScoreA");
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$data->setSerieDescription("ScoreA", "Application A");
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/* Define the absissa serie */
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$data->addPoints(["A0", "B1", "C2", "D3", "E4", "F5", "G6", "H7", "I8", "J9"], "Labels");
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$data->setAbscissa("Labels");
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/* Create the Image object */
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$image = new Image(300, 260, $data);
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/* Draw a solid background */
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$settings = ["R" => 170, "G" => 183, "B" => 87, "Dash" => 1, "DashR" => 190, "DashG" => 203, "DashB" => 107];
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$image->drawFilledRectangle(0, 0, 300, 300, $settings);
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/* Overlay with a gradient */
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$image->drawGradientArea(0, 0, 300, 260, DIRECTION_VERTICAL, [
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"StartR" => 219,
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"StartG" => 231,
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"StartB" => 139,
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"EndR" => 1,
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"EndG" => 138,
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"EndB" => 68,
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"Alpha" => 50
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]);
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$image->drawGradientArea(0, 0, 300, 20, DIRECTION_VERTICAL, ["StartR" => 0, "StartG" => 0,
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"StartB" => 0, "EndR" => 50, "EndG" => 50, "EndB" => 50, "Alpha" => 100]);
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/* Add a border to the picture */
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$image->drawRectangle(0, 0, 299, 259, ["R" => 0, "G" => 0, "B" => 0]);
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/* Write the picture title */
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$image->setFontProperties(["FontName" => "Silkscreen.ttf", "FontSize" => 6]);
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$image->drawText(10, 13, "pPie - Draw 2D ring charts", ["R" => 255, "G" => 255, "B" => 255]);
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/* Set the default font properties */
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$image->setFontProperties([
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"FontName" => "Forgotte.ttf",
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"FontSize" => 10,
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"R" => 80,
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"G" => 80,
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"B" => 80
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]);
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/* Enable shadow computing */
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$image->setShadow(true, ["X" => 2, "Y" => 2, "R" => 0, "G" => 0, "B" => 0, "Alpha" => 50]);
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/* Create the pPie object */
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$pieChart = new Pie($image, $data);
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/* Draw an AA pie chart */
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$pieChart->draw2DRing(160, 140, ["DrawLabels" => true, "LabelStacked" => true, "Border" => true]);
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/* Write the legend box */
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$image->setShadow(false);
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$pieChart->drawPieLegend(15, 40, ["Alpha" => 20]);
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/* Render the picture (choose the best way) */
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$image->autoOutput("example.draw2DRing.png");
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```
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