Class QGISMarkFactory

  • All Implemented Interfaces:

    public class QGISMarkFactory
    extends Object
    implements MarkFactory
    Factory with additional "well known" marks for compatibility with other applications.

    We are doubling up on these providing an aleais to make things easier:

    • qgis://star
    • qgis://regular_star and regular_star
    Jonathan Moules (LightPear)
    • Constructor Detail

      • QGISMarkFactory

        public QGISMarkFactory()
    • Method Detail

      • getShape

        public Shape getShape​(Graphics2D graphics,
                              Expression symbolUrl,
                              Feature feature)
                       throws Exception
        Description copied from interface: MarkFactory
        Turns the specified URL into an Shape, eventually using the Feature attributes to evaluate the expression, or returns null if the factory cannot evaluate this symbolUrl.

        The returned Shape must not exceed the [-0.5, -0.5, 0.5, 0.5] bounds (will be rescaled according to the parameter given in graphics on the fly

        Specified by:
        getShape in interface MarkFactory
        symbolUrl - the expression that will return the symbol name. Once evaluated the expression should return something like plainName or like protocol://path. See the actual implementations for details on the kind of supported name.
        feature - The feature that will be used to evaluate the symbolURL expression (or to extract data from it, think complex attributes, in that case a visit to the expression and some direct attribute value extraction might be needed instead)