+import java.awt.*;\r
+import java.awt.event.*;\r
+import java.awt.image.*;\r
+import javax.swing.*;\r
+\r
+import jalview.datamodel.*;\r
+\r
+/**\r
+ * DOCUMENT ME!\r
+ *\r
+ * @author $author$\r
+ * @version $Revision$\r
+ */\r
+public class FeatureRenderer\r
+{\r
+ AlignViewport av;\r
+ Color resBoxColour;\r
+ float transparency = 1.0f;\r
+ FontMetrics fm;\r
+ int charOffset;\r
+\r
+ Hashtable featureColours = new Hashtable();\r
+\r
+ // A higher level for grouping features of a\r
+ // particular type\r
+ Hashtable featureGroups = null;\r
+\r
+ // This is actually an Integer held in the hashtable,\r
+ // Retrieved using the key feature type\r
+ Object currentColour;\r
+\r
+ String[] renderOrder;\r
+\r
+ /**\r
+ * Creates a new FeatureRenderer object.\r
+ *\r
+ * @param av DOCUMENT ME!\r
+ */\r
+ public FeatureRenderer(AlignViewport av)\r
+ {\r
+ this.av = av;\r
+ }\r
+\r
+ public void transferSettings(FeatureRenderer fr)\r
+ {\r
+ renderOrder = fr.renderOrder;\r
+ featureGroups = fr.featureGroups;\r
+ featureColours = fr.featureColours;\r
+ transparency = fr.transparency;\r
+ }\r
+\r
+ BufferedImage offscreenImage;\r
+ boolean offscreenRender = false;\r
+ public Color findFeatureColour(Color initialCol, SequenceI seq, int res)\r
+ {\r
+ return new Color(findFeatureColour(initialCol.getRGB(),\r
+ seq, res));\r
+ }\r
+\r
+ /**\r
+ * This is used by the Molecule Viewer and Overview to\r
+ * get the accurate colourof the rendered sequence\r
+ */\r
+ public int findFeatureColour(int initialCol, SequenceI seq, int column)\r
+ {\r
+ if (!av.showSequenceFeatures)\r
+ {\r
+ return initialCol;\r
+ }\r
+\r
+ if (seq != lastSeq)\r
+ {\r
+ lastSeq = seq;\r
+ sequenceFeatures = lastSeq.getDatasetSequence().getSequenceFeatures();\r
+ if (sequenceFeatures == null)\r
+ {\r
+ return initialCol;\r
+ }\r
+\r
+ sfSize = sequenceFeatures.length;\r
+ }\r
+\r
+ if (jalview.util.Comparison.isGap(lastSeq.getCharAt(column)))\r
+ {\r
+ return Color.white.getRGB();\r
+ }\r
+\r
+ //Only bother making an offscreen image if transparency is applied\r
+ if (transparency != 1.0f && offscreenImage == null)\r
+ {\r
+ offscreenImage = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);\r
+ }\r
+\r
+ currentColour = null;\r
+\r
+ offscreenRender = true;\r
+\r
+ if (offscreenImage != null)\r
+ {\r
+ offscreenImage.setRGB(0, 0, initialCol);\r
+ drawSequence(offscreenImage.getGraphics(),\r
+ lastSeq,\r
+ column, column, 0);\r
+\r
+ return offscreenImage.getRGB(0, 0);\r
+ }\r
+ else\r
+ {\r
+ drawSequence(null,\r
+ lastSeq,\r
+ lastSeq.findPosition(column),\r
+ -1, -1);\r
+\r
+ if (currentColour == null)\r
+ {\r
+ return initialCol;\r
+ }\r
+ else\r
+ {\r
+ return ( (Integer) currentColour).intValue();\r
+ }\r
+ }\r
+\r
+ }\r
+\r
+ /**\r
+ * DOCUMENT ME!\r
+ *\r
+ * @param g DOCUMENT ME!\r
+ * @param seq DOCUMENT ME!\r
+ * @param sg DOCUMENT ME!\r
+ * @param start DOCUMENT ME!\r
+ * @param end DOCUMENT ME!\r
+ * @param x1 DOCUMENT ME!\r
+ * @param y1 DOCUMENT ME!\r
+ * @param width DOCUMENT ME!\r
+ * @param height DOCUMENT ME!\r
+ */\r
+ // String type;\r
+ // SequenceFeature sf;\r
+ SequenceI lastSeq;\r
+ SequenceFeature[] sequenceFeatures;\r
+ int sfSize, sfindex, spos, epos;\r
+\r
+ public void drawSequence(Graphics g, SequenceI seq,\r
+ int start, int end, int y1)\r
+ {\r
+ if (seq.getDatasetSequence().getSequenceFeatures() == null\r
+ || seq.getDatasetSequence().getSequenceFeatures().length == 0)\r
+ {\r
+ return;\r
+ }\r
+\r
+ if (g != null)\r
+ {\r
+ fm = g.getFontMetrics();\r
+ }\r
+\r
+ if (av.featuresDisplayed == null\r
+ || renderOrder == null\r
+ || newFeatureAdded)\r
+ {\r
+ findAllFeatures();\r
+ if (av.featuresDisplayed.size() < 1)\r
+ {\r
+ return;\r
+ }\r
+\r
+ sequenceFeatures = seq.getDatasetSequence().getSequenceFeatures();\r
+ sfSize = sequenceFeatures.length;\r
+ }\r
+\r
+ if (lastSeq == null || seq != lastSeq)\r
+ {\r
+ lastSeq = seq;\r
+ sequenceFeatures = seq.getDatasetSequence().getSequenceFeatures();\r
+ sfSize = sequenceFeatures.length;\r
+ }\r
+\r
+ if (transparency != 1 && g != null)\r
+ {\r
+ Graphics2D g2 = (Graphics2D) g;\r
+ g2.setComposite(\r
+ AlphaComposite.getInstance(\r
+ AlphaComposite.SRC_OVER, transparency));\r
+ }\r
+\r
+ if (!offscreenRender)\r
+ {\r
+ spos = lastSeq.findPosition(start);\r
+ epos = lastSeq.findPosition(end);\r
+ }\r
+\r
+ String type;\r
+ for (int renderIndex = 0; renderIndex < renderOrder.length; renderIndex++)\r
+ {\r
+ type = renderOrder[renderIndex];\r
+\r
+ if (type == null || !av.featuresDisplayed.containsKey(type))\r
+ {\r
+ continue;\r
+ }\r
+\r
+ // loop through all features in sequence to find\r
+ // current feature to render\r
+ for (sfindex = 0; sfindex < sfSize; sfindex++)\r
+ {\r
+ if (sequenceFeatures.length <= sfindex)\r
+ {\r
+ continue;\r
+ }\r
+ if (!sequenceFeatures[sfindex].type.equals(type))\r
+ {\r
+ continue;\r
+ }\r
+\r
+ if (featureGroups != null\r
+ && sequenceFeatures[sfindex].featureGroup != null\r
+ &&\r
+ featureGroups.containsKey(sequenceFeatures[sfindex].featureGroup)\r
+ &&\r
+ ! ( (Boolean) featureGroups.get(sequenceFeatures[sfindex].\r
+ featureGroup)).\r
+ booleanValue())\r
+ {\r
+ continue;\r
+ }\r
+\r
+ if (!offscreenRender && (sequenceFeatures[sfindex].getBegin() > epos\r
+ || sequenceFeatures[sfindex].getEnd() < spos))\r
+ {\r
+ continue;\r
+ }\r
+\r
+ if (offscreenRender && offscreenImage == null)\r
+ {\r
+ if (sequenceFeatures[sfindex].begin <= start &&\r
+ sequenceFeatures[sfindex].end >= start)\r
+ {\r
+ currentColour = av.featuresDisplayed.get(sequenceFeatures[sfindex].\r
+ type);\r
+ }\r
+ }\r
+ else if (sequenceFeatures[sfindex].type.equals("disulfide bond"))\r
+ {\r
+\r
+ renderFeature(g, seq,\r
+ seq.findIndex(sequenceFeatures[sfindex].begin) - 1,\r
+ seq.findIndex(sequenceFeatures[sfindex].begin) - 1,\r
+ new Color( ( (Integer) av.featuresDisplayed.get(\r
+ sequenceFeatures[sfindex].type)).intValue()),\r
+ start, end, y1);\r
+ renderFeature(g, seq,\r
+ seq.findIndex(sequenceFeatures[sfindex].end) - 1,\r
+ seq.findIndex(sequenceFeatures[sfindex].end) - 1,\r
+ new Color( ( (Integer) av.featuresDisplayed.get(\r
+ sequenceFeatures[sfindex].type)).intValue()),\r
+ start, end, y1);\r
+\r
+ }\r
+ else\r
+ {\r
+ renderFeature(g, seq,\r
+ seq.findIndex(sequenceFeatures[sfindex].begin) - 1,\r
+ seq.findIndex(sequenceFeatures[sfindex].end) - 1,\r
+ getColour(sequenceFeatures[sfindex].type),\r
+ start, end, y1);\r
+ }\r
+\r
+ }\r
+\r
+ }\r
+\r
+ if (transparency != 1.0f && g != null)\r
+ {\r
+ Graphics2D g2 = (Graphics2D) g;\r
+ g2.setComposite(\r
+ AlphaComposite.getInstance(\r
+ AlphaComposite.SRC_OVER, 1.0f));\r
+ }\r
+ }\r
+\r
+ char s;\r
+ int i;\r
+ void renderFeature(Graphics g, SequenceI seq,\r
+ int fstart, int fend, Color featureColour, int start,\r
+ int end, int y1)\r
+ {\r
+\r
+ if ( ( (fstart <= end) && (fend >= start)))\r
+ {\r
+ if (fstart < start)\r
+ { // fix for if the feature we have starts before the sequence start,\r
+ fstart = start; // but the feature end is still valid!!\r
+ }\r
+\r
+ if (fend >= end)\r
+ {\r
+ fend = end;\r
+ }\r
+ int pady = (y1 + av.charHeight) - av.charHeight / 5;\r
+ for (i = fstart; i <= fend; i++)\r
+ {\r
+ s = seq.getCharAt(i);\r
+\r
+ if (jalview.util.Comparison.isGap(s))\r
+ {\r
+ continue;\r
+ }\r
+\r
+ g.setColor(featureColour);\r
+\r
+ g.fillRect( (i - start) * av.charWidth, y1, av.charWidth, av.charHeight);\r
+\r
+ if (offscreenRender || !av.validCharWidth)\r
+ {\r
+ continue;\r
+ }\r