Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/jfree/StyledAreaSeriesCollection.java @ 2988:5a8ec40752ea
Tagged module flys-artifacts as '2.7'.
flys-artifacts/trunk@4530 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Sun, 27 May 2012 10:50:11 +0000 |
parents | b75681c09ef8 |
children | 5642a83420f2 |
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package de.intevation.flys.jfree; import java.awt.Color; import java.awt.Stroke; import java.awt.BasicStroke; import org.apache.log4j.Logger; import org.w3c.dom.Document; import org.jfree.data.xy.XYSeriesCollection; import de.intevation.flys.utils.ThemeUtil; import de.intevation.flys.utils.ThemeAccess; import de.intevation.flys.jfree.StableXYDifferenceRenderer; /** * One or more dataseries to draw a polygon (either "open up/downwards", or * the area between two curves), a theme-document and further display options. * The theme-document will later "style" the graphical representation. * The display options can be used to control the z-order and the axis of the * dataset. */ public class StyledAreaSeriesCollection extends XYSeriesCollection { /** Mode, how to draw/which areas to fill. */ public enum FILL_MODE {UNDER, ABOVE, BETWEEN}; /** MODE in use. */ protected FILL_MODE mode; /** The theme-document with attributes about actual visual representation. */ protected Document theme; /** Own logger. */ private static final Logger logger = Logger.getLogger(StyledAreaSeriesCollection.class); /** * @param theme the theme-document. */ public StyledAreaSeriesCollection(Document theme) { this.theme = theme; this.mode = FILL_MODE.BETWEEN; } /** Gets the Fill mode. */ public FILL_MODE getMode() { return this.mode; } /** Sets the Fill mode. */ public void setMode(FILL_MODE fMode) { this.mode = fMode; } /** * Applies line color, size and type attributes to renderer, also * whether to draw lines and/or points. */ public StableXYDifferenceRenderer applyTheme( StableXYDifferenceRenderer renderer ) { applyFillColor(renderer); applyShowShape(renderer); applyOutlineColor(renderer); applyOutlineStyle(renderer); applyShowArea(renderer); if (mode == FILL_MODE.UNDER) { renderer.setAreaCalculationMode(StableXYDifferenceRenderer.CALCULATE_NEGATIVE_AREA); } else if (mode == FILL_MODE.ABOVE) { renderer.setAreaCalculationMode(StableXYDifferenceRenderer.CALCULATE_POSITIVE_AREA); } else { renderer.setAreaCalculationMode(StableXYDifferenceRenderer.CALCULATE_ALL_AREA); } // Apply text style. new ThemeAccess(theme).parseTextStyle().apply(renderer); return renderer; } /** * Blindly (for now) apply the postiviepaint of renderer. */ protected void applyFillColor(StableXYDifferenceRenderer renderer) { // Get color. Color paint = ThemeUtil.parseFillColorField(theme); // Get half-transparency flag. if (ThemeUtil.parseTransparency(theme)) { paint = new Color(paint.getRed(), paint.getGreen(), paint.getBlue(), 128); } if (paint != null && this.getMode() == FILL_MODE.ABOVE) { renderer.setPositivePaint(paint); renderer.setNegativePaint(new Color(0,0,0,0)); } else if (paint != null && this.getMode() == FILL_MODE.UNDER) { renderer.setNegativePaint(paint); renderer.setPositivePaint(new Color(0,0,0,0)); } else { if (paint == null) paint = new Color(177, 117, 102); renderer.setPositivePaint(paint); renderer.setNegativePaint(paint); } } /** * Blindly (for now) apply the postiviepaint of renderer. */ protected void applyShowShape(StableXYDifferenceRenderer renderer) { boolean show = ThemeUtil.parseShowBorder(theme); renderer.setDrawOutline(show); } protected void applyShowLine(StableXYDifferenceRenderer renderer) { boolean show = ThemeUtil.parseShowLine(theme); renderer.setShapesVisible(show); } /** * */ protected void applyOutlineColor(StableXYDifferenceRenderer renderer) { Color c = ThemeUtil.parseLineColorField(theme); renderer.setOutlinePaint(c); } protected void applyOutlineWidth(StableXYDifferenceRenderer renderer) { int size = ThemeUtil.parseLineWidth(theme); } /** Inform renderer whether it should draw a label. */ protected void applyShowArea(StableXYDifferenceRenderer renderer) { renderer.setLabelArea(ThemeUtil.parseShowArea(theme)); } protected void applyOutlineStyle(StableXYDifferenceRenderer renderer) { float[] dashes = ThemeUtil.parseLineStyle(theme); int size = ThemeUtil.parseLineWidth(theme); Stroke stroke = null; if (dashes.length <= 1) { stroke = new BasicStroke(Integer.valueOf(size)); } else { stroke = new BasicStroke(Integer.valueOf(size), BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 1.0f, dashes, 0.0f); } renderer.setOutlineStroke(stroke); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :