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Fix polyline support.

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This commit is contained in:
Malte Hübner 2018-02-17 12:59:36 +01:00
parent 67153fccee
commit 9eb4c3b3c2
1 changed files with 34 additions and 27 deletions
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61
src/ElementPrinter/Polyline/PolylinePrinter.php
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@ -2,6 +2,7 @@
namespace StaticMapLite\ElementPrinter\Polyline; namespace StaticMapLite\ElementPrinter\Polyline;
use Imagine\Image\Point;
use StaticMapLite\Canvas\Canvas; use StaticMapLite\Canvas\Canvas;
use StaticMapLite\Element\Polyline\Polyline; use StaticMapLite\Element\Polyline\Polyline;
use StaticMapLite\Util; use StaticMapLite\Util;
@ -25,41 +26,47 @@ class PolylinePrinter
public function paint(Canvas $canvas): PolylinePrinter public function paint(Canvas $canvas): PolylinePrinter
{ {
$polylineList = \Polyline::decode($this->polyline->getPolyline()); $pointList = $this->convertPolylineToPointList($canvas);
$sourceLatitude = null; $color = $canvas->getImage()->palette()->color('f00');
$sourceLongitude = null;
$destinationLatitude = null;
$destinationLongitude = null;
$color = imagecolorallocate($canvas->getImage(), $this->polyline->getColorRed(), $this->polyline->getColorGreen(), $this->polyline->getColorBlue()); $startPoint = null;
imagesetthickness($canvas->getImage(), 5); $endPoint = null;
//imageantialias($this->image, true);
while (!empty($polylineList)) { while (!empty($pointList)) {
if (!$sourceLatitude) { if (!$startPoint) {
$sourceLatitude = array_shift($polylineList); $startPoint = array_pop($pointList);
} }
if (!$sourceLongitude) { $endPoint = array_pop($pointList);
$sourceLongitude = array_shift($polylineList);
$canvas->getImage()->draw()->line($startPoint, $endPoint, $color, 3);
$startPoint = $endPoint;
} }
$sourceX = floor(($canvas->getWidth() / 2) - $canvas->getTileSize() * ($canvas->getCenterX() - Util::lonToTile($sourceLongitude, $canvas->getZoom())));
$sourceY = floor(($canvas->getHeight() / 2) - $canvas->getTileSize() * ($canvas->getCenterY() - Util::latToTile($sourceLatitude, $canvas->getZoom())));
$destinationLatitude = array_shift($polylineList);
$destinationLongitude = array_shift($polylineList);
$destinationX = floor(($canvas->getWidth() / 2) - $canvas->getTileSize() * ($canvas->getCenterX() - Util::lonToTile($destinationLongitude, $canvas->getZoom())));
$destinationY = floor(($canvas->getHeight() / 2) - $canvas->getTileSize() * ($canvas->getCenterY() - Util::latToTile($destinationLatitude, $canvas->getZoom())));
imageline($canvas->getImage() , $sourceX, $sourceY , $destinationX, $destinationY, $color);
$sourceLatitude = $destinationLatitude;
$sourceLongitude = $destinationLongitude;
}
return $this; return $this;
} }
protected function convertPolylineToPointList(Canvas $canvas): array
{
$polylineList = \Polyline::decode($this->polyline->getPolyline());
$pointList = [];
while (!empty($polylineList)) {
$latitude = array_shift($polylineList);
$longitude = array_shift($polylineList);
$sourceX = floor(($canvas->getWidth() / 2) - $canvas->getTileSize() * ($canvas->getCenterX() - Util::lonToTile($longitude, $canvas->getZoom())));
$sourceY = floor(($canvas->getHeight() / 2) - $canvas->getTileSize() * ($canvas->getCenterY() - Util::latToTile($latitude, $canvas->getZoom())));
$point = new Point($sourceX, $sourceY);
$pointList[] = $point;
}
return $pointList;
}
} }