felix@2020: package de.intevation.flys.exports;
felix@2020: 
felix@2032: import java.awt.Color;
felix@2071: import java.awt.Stroke;
felix@2071: import java.awt.BasicStroke;
felix@2020: 
felix@2020: import org.apache.log4j.Logger;
felix@2020: 
felix@2020: import org.w3c.dom.Document;
felix@2020: 
felix@2020: import org.jfree.data.xy.XYSeriesCollection;
felix@2020: 
felix@2020: import de.intevation.flys.utils.ThemeUtil;
felix@2020: import de.intevation.flys.jfree.StableXYDifferenceRenderer;
felix@2020: 
felix@2020: 
felix@2020: /**
felix@2020:  * One or more dataseries to draw a polygon (either "open up/downwards", or
felix@2020:  * the area between two curves), a theme-document and further display options.
felix@2020:  * The theme-document will later "style" the graphical representation.
felix@2020:  * The display options can be used to control the z-order and the axis of the 
felix@2020:  * dataset.
felix@2020:  */
felix@2020: public class StyledAreaSeriesCollection extends XYSeriesCollection {
felix@2020:     /** Mode, how to draw/which areas to fill. */
felix@2020:     public enum FILL_MODE {UNDER, ABOVE, BETWEEN};
felix@2020: 
felix@2020:     /** MODE in use. */
felix@2020:     protected FILL_MODE mode;
felix@2020: 
felix@2020:     /** The theme-document with attributes about actual visual representation. */
felix@2020:     protected Document theme;
felix@2020: 
felix@2020:     /** Own logger. */
felix@2020:     private static final Logger logger =
felix@2020:         Logger.getLogger(StyledAreaSeriesCollection.class);
felix@2020: 
felix@2020: 
felix@2020:     /**
felix@2020:      * @param theme the theme-document.
felix@2020:      */
felix@2020:     public StyledAreaSeriesCollection(Document theme) {
felix@2020:         this.theme = theme;
felix@2020:         this.mode = FILL_MODE.BETWEEN;
felix@2020:    }
felix@2020: 
felix@2020: 
felix@2020:     /** Gets the Fill mode. */
felix@2020:     public FILL_MODE getMode() {
felix@2020:         return this.mode;
felix@2020:     }
felix@2020: 
felix@2020: 
felix@2020:     /** Sets the Fill mode. */
felix@2020:     public void setMode(FILL_MODE fMode) {
felix@2020:         this.mode = fMode;
felix@2020:     }
felix@2020: 
felix@2020: 
felix@2020:     /**
felix@2020:      * Applies line color, size and type attributes to renderer, also
felix@2020:      * whether to draw lines and/or points.
felix@2020:      */
felix@2020:     public StableXYDifferenceRenderer applyTheme(
felix@2020:         StableXYDifferenceRenderer renderer
felix@2020:     ) {
felix@2020:         applyFillColor(renderer);
felix@2020:         applyShowShape(renderer);
felix@2071:         applyOutlineColor(renderer);
felix@2071:         applyOutlineStyle(renderer);
felix@2020: 
felix@2020:         return renderer;
felix@2020:     }
felix@2020: 
felix@2020: 
felix@2020:     /**
felix@2020:      * Blindly (for now) apply the postiviepaint of renderer.
felix@2020:      */
felix@2020:     protected void applyFillColor(StableXYDifferenceRenderer renderer) {
felix@2032:         // Get color.
felix@2032:         Color paint = ThemeUtil.parseFillColorField(theme);
felix@2032:         // Get half-transparency flag.
felix@2032:         if (ThemeUtil.parseTransparency(theme)) {
felix@2032:             paint = new Color(paint.getRed(), paint.getGreen(), paint.getBlue(),
felix@2032:                 128);
felix@2032:         }
felix@2032:         if (paint != null && this.getMode() == FILL_MODE.ABOVE) {
felix@2020:             renderer.setPositivePaint(paint);
felix@2032:             renderer.setNegativePaint(new Color(0,0,0,0));
felix@2032:         }
felix@2032:         else if (paint != null && this.getMode() == FILL_MODE.UNDER) {
felix@2032:             renderer.setNegativePaint(paint);
felix@2032:             renderer.setPositivePaint(new Color(0,0,0,0));
felix@2032:         }
felix@2032:         else {
felix@2071:             if (paint == null) paint = new Color(177, 117, 102);
felix@2032:             renderer.setPositivePaint(paint);
felix@2032:             renderer.setNegativePaint(paint);
felix@2032:         }
felix@2020:     }
felix@2020: 
felix@2020:     /**
felix@2020:      * Blindly (for now) apply the postiviepaint of renderer.
felix@2020:      */
felix@2020:     protected void applyShowShape(StableXYDifferenceRenderer renderer) {
felix@2020:         boolean show = ThemeUtil.parseShowBorder(theme);
felix@2071:         renderer.setDrawOutline(show);
felix@2071:     }
felix@2071: 
felix@2071:     protected void applyShowLine(StableXYDifferenceRenderer renderer) {
felix@2071:         boolean show = ThemeUtil.parseShowLine(theme);
felix@2020:         renderer.setShapesVisible(show);
felix@2020:     }
felix@2071: 
felix@2071:     /**
felix@2071:      *
felix@2071:      */
felix@2071:     protected void applyOutlineColor(StableXYDifferenceRenderer renderer) {
felix@2071:         Color c = ThemeUtil.parseLineColorField(theme);
felix@2071:         renderer.setOutlinePaint(c);
felix@2071:     }
felix@2071: 
felix@2071:     protected void applyOutlineWidth(StableXYDifferenceRenderer renderer) {
felix@2071:         int size = ThemeUtil.parseLineWidth(theme);
felix@2071:     }
felix@2071: 
felix@2071:     protected void applyOutlineStyle(StableXYDifferenceRenderer renderer) {
felix@2071:         float[] dashes = ThemeUtil.parseLineStyle(theme);
felix@2071:         int size       = ThemeUtil.parseLineWidth(theme);
felix@2071: 
felix@2071:         Stroke stroke = null;
felix@2071: 
felix@2071:         if (dashes.length <= 1) {
felix@2071:             stroke = new BasicStroke(Integer.valueOf(size));
felix@2071:         }
felix@2071:         else {
felix@2071:             stroke = new BasicStroke(Integer.valueOf(size),
felix@2071:                 BasicStroke.CAP_BUTT,
felix@2071:                 BasicStroke.JOIN_ROUND,
felix@2071:                 1.0f,
felix@2071:                 dashes,
felix@2071:                 0.0f);
felix@2071:         }
felix@2071: 
felix@2071:         renderer.setOutlineStroke(stroke);
felix@2071:     }
felix@2020: }
felix@2020: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :