/**
* Creates a image of the WFS layer's data
*
* @return image
*/
private BufferedImage draw() {
MapContent content = new MapContent();
MapViewport viewport = new MapViewport();
CoordinateReferenceSystem crs = location.getCrs();
ReferencedEnvelope bounds = location.getEnvelope();
Rectangle screenArea;
if (isTile && bufferSize != 0.0d) {
double width = (location.getRight() - location.getLeft()) / 2 * bufferSize;
double height = (location.getTop() - location.getBottom()) / 2 * bufferSize;
bounds = location.createEnlargedEnvelope(width, height);
screenArea = new Rectangle(0, 0, bufferedImageWidth, bufferedImageHeight);
} else {
screenArea = new Rectangle(0, 0, imageWidth, imageHeight); // image size
}
viewport.setCoordinateReferenceSystem(crs);
viewport.setScreenArea(screenArea);
viewport.setBounds(bounds);
viewport.setMatchingAspectRatio(true);
if (features.size() > 0) {
Layer featureLayer = new FeatureLayer(features, style);
content.addLayer(featureLayer);
}
content.setViewport(viewport);
return saveImage(content);
}
