4 import java.awt.image.*;
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5 import javax.swing.*;
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6 import jalview.datamodel.*;
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7 import jalview.analysis.*;
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10 public class SeqCanvas extends JComponent
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13 SequenceRenderer sr;
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21 boolean showScores = false;
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22 boolean displaySearch = false;
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23 int [] searchResults = null;
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28 boolean fastPaint = false;
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31 public SeqCanvas(AlignViewport av)
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34 fr = new FeatureRenderer(av);
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35 sr = new SequenceRenderer(av);
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36 setLayout(new BorderLayout());
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37 PaintRefresher.Register(this);
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41 void drawNorthScale(Graphics g, int startx, int endx,int ypos) {
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42 int scalestartx = startx - startx % 10 + 10;
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44 g.setColor(Color.black);
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47 for (int i = scalestartx; i < endx; i += 10)
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49 String string = String.valueOf(i);
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50 g.drawString(string, (i - startx - 1) * av.charWidth,
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51 ypos - av.charHeight / 2);
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53 g.drawLine( (i - startx - 1) * av.charWidth + av.charWidth / 2,
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54 ypos + 2 - av.charHeight / 2,
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55 (i - startx - 1) * av.charWidth + av.charWidth / 2, ypos - 2);
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60 void drawWestScale(Graphics g, int startx, int endx, int ypos)
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62 FontMetrics fm = getFontMetrics(av.getFont());
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63 ypos+= av.charHeight;
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65 for (int i = 0; i < av.alignment.getHeight(); i++)
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67 SequenceI seq = av.alignment.getSequenceAt(i);
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70 while (index < endx)
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72 if (jalview.util.Comparison.isGap(seq.getCharAt(index)))
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78 value = av.alignment.getSequenceAt(i).findPosition(index);
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83 int x = LABEL_WEST - fm.stringWidth(value+"");
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84 g.drawString(value + "", x, ypos + i*av.charHeight - av.charHeight/5);
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89 void drawEastScale(Graphics g, int startx, int endx, int ypos)
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91 ypos+= av.charHeight;
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93 for (int i = 0; i < av.alignment.getHeight(); i++)
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95 SequenceI seq = av.alignment.getSequenceAt(i);
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98 while (index > startx)
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100 if (jalview.util.Comparison.isGap(seq.getCharAt(index)))
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106 value = av.alignment.getSequenceAt(i).findPosition(index);
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110 g.drawString(value + "", 0, ypos + i*av.charHeight - av.charHeight/5);
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119 public void fastPaint(int horizontal, int vertical)
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121 if (horizontal == 0 && vertical == 0 || gg==null)
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124 gg.copyArea(0, 0, imgWidth, imgHeight, -horizontal * av.charWidth,
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125 -vertical * av.charHeight);
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127 int sr = av.startRes, er = av.endRes, ss = av.startSeq, es = av.endSeq,
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128 transX = 0, transY = 0;
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129 if (horizontal > 0) // scrollbar pulled right, image to the left
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131 transX = (er - sr - horizontal) * av.charWidth;
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132 sr = er - horizontal;
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134 else if (horizontal < 0)
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135 er = sr - horizontal;
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137 else if (vertical > 0) // scroll down
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139 ss = es - vertical;
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140 if(ss<av.startSeq) // ie scrolling too fast, more than a page at a time
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143 transY = imgHeight - vertical * av.charHeight;
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145 else if (vertical < 0)
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147 es = ss - vertical;
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153 gg.translate(transX, transY);
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155 gg.setColor(Color.white);
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156 gg.fillRect(0,0, (er-sr+1)*av.charWidth, (es-ss)*av.charHeight);
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157 drawPanel(gg, sr, er, ss, es, sr, ss, 0);
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158 gg.translate( -transX, -transY);
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166 * Definitions of startx and endx (hopefully):
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167 * SMJS This is what I'm working towards!
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168 * startx is the first residue (starting at 0) to display.
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169 * endx is the last residue to display (starting at 0).
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170 * starty is the first sequence to display (starting at 0).
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171 * endy is the last sequence to display (starting at 0).
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172 * NOTE 1: The av limits are set in setFont in this class and
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173 * in the adjustment listener in SeqPanel when the scrollbars move.
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176 public void paint(Graphics g)
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178 g.setColor(Color.white);
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179 g.fillRect(0, 0, getWidth(), getHeight());
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183 g.drawImage(img, 0, 0, this);
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188 // this draws the whole of the alignment
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189 imgWidth = getWidth();
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190 imgHeight = getHeight();
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191 if(imgWidth<0 || imgHeight<1)
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194 imgWidth -= imgWidth%av.charWidth;
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195 imgHeight-= imgHeight%av.charHeight;
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197 img = new BufferedImage(imgWidth,imgHeight,BufferedImage.TYPE_INT_RGB);
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198 gg = (Graphics2D)img.getGraphics();
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199 gg.setFont(av.getFont());
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200 gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
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202 gg.setColor(Color.white);
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203 gg.fillRect(0,0,imgWidth,imgHeight);
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205 chunkWidth = getWrappedCanvasWidth( getWidth() );
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206 chunkHeight = (av.getAlignment().getHeight() + 2)*av.charHeight;
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208 av.setChunkHeight(chunkHeight);
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209 av.setChunkWidth(chunkWidth);
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212 if (av.getWrapAlignment())
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213 drawWrappedPanel(gg, getWidth(), getHeight(), av.startRes);
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215 drawPanel(gg, av.startRes, av.endRes, av.startSeq, av.endSeq, av.startRes, av.startSeq, 0);
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217 g.drawImage(img, 0, 0, this);
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221 int LABEL_WEST, LABEL_EAST;
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222 public int getWrappedCanvasWidth(int cwidth)
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224 FontMetrics fm = getFontMetrics(av.getFont());
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229 if(av.scaleRightWrapped)
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230 LABEL_EAST = fm.stringWidth( av.alignment.getWidth()+"000" );
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232 if(av.scaleLeftWrapped)
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233 LABEL_WEST = fm.stringWidth( av.alignment.getWidth()+"" );
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235 return (cwidth - LABEL_EAST -LABEL_WEST)/av.charWidth;
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238 public void drawWrappedPanel(Graphics g, int canvasWidth, int canvasHeight, int startRes)
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240 AlignmentI al = av.getAlignment();
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242 FontMetrics fm = getFontMetrics(av.getFont());
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244 int LABEL_EAST = 0;
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245 if(av.scaleRightWrapped)
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246 LABEL_EAST = fm.stringWidth( al.getWidth()+"000" );
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247 int LABEL_WEST = 0;
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248 if(av.scaleLeftWrapped)
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249 LABEL_WEST = fm.stringWidth(al.getWidth()+"0");
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252 int cWidth = (canvasWidth - LABEL_EAST -LABEL_WEST)/av.charWidth;
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253 int cHeight = (av.getAlignment().getHeight() + 2)*av.charHeight;
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255 av.endRes = av.startRes + cWidth;
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257 int endx = startRes+cWidth-1;
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258 int ypos = 2*av.charHeight;
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260 while (ypos <= canvasHeight && startRes<av.alignment.getWidth() )
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262 g.setColor(Color.black);
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264 if(av.scaleLeftWrapped)
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265 drawWestScale(g, startRes, endx, ypos);
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267 if(av.scaleRightWrapped)
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269 g.translate(canvasWidth - LABEL_EAST +av.charWidth, 0);
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270 drawEastScale(g, startRes, endx, ypos);
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271 g.translate( - (canvasWidth - LABEL_EAST+av.charWidth), 0);
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274 g.translate(LABEL_WEST,0);
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275 if(av.scaleAboveWrapped)
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276 drawNorthScale(g, startRes, endx, ypos);
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279 // When printing we have an extra clipped region,
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280 // the Printable page which we need to account for here
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281 Shape clip = g.getClip();
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283 g.setClip(0, 0, cWidth*av.charWidth, canvasHeight);
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286 (int)clip.getBounds().getY(),
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287 cWidth*av.charWidth,
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288 (int)clip.getBounds().getHeight()
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291 drawPanel(g, startRes, endx, 0, al.getHeight(), startRes, 0, ypos);
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293 g.translate(-LABEL_WEST,0);
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296 startRes += cWidth;
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297 endx = startRes + cWidth - 1;
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299 if (endx > al.getWidth())
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300 endx = al.getWidth();
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306 synchronized public void drawPanel(Graphics g1,int x1,int x2, int y1, int y2,int startx, int starty,int offset) {
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308 Graphics2D g = (Graphics2D)g1;
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309 g.setFont(av.getFont());
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310 sr.renderGaps(av.renderGaps);
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315 /// First draw the sequences
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316 /////////////////////////////
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317 for (int i = y1 ; i < y2 ;i++)
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319 nextSeq = av.alignment.getSequenceAt(i);
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321 sr.drawSequence(g, nextSeq, av.alignment.findAllGroups( nextSeq ),x1,x2,
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322 (x1 - startx) * av.charWidth,
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323 offset + AlignmentUtil.getPixelHeight(starty, i, av.charHeight),
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324 av.charWidth,av.charHeight);
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326 if(av.showSequenceFeatures)
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328 fr.drawSequence(g, nextSeq, av.alignment.findAllGroups( nextSeq ), x1, x2,
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329 (x1 - startx) * av.charWidth,
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331 AlignmentUtil.getPixelHeight(starty, i, av.charHeight),
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332 av.charWidth, av.charHeight);
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336 /////////////////////////////////////
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338 // Now outline any areas if necessary
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339 /////////////////////////////////////
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340 SequenceGroup group = av.getSelectionGroup();
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341 java.util.Vector groups = av.alignment.getGroups();
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343 int sx = -1, sy = -1, ex = -1;
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344 int groupIndex = -1;
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345 if (group == null && groups.size() > 0)
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347 group = (SequenceGroup) groups.elementAt(0);
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356 boolean inGroup = false;
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357 int top=-1, bottom =-1;
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358 for (i = y1; i < y2; i++)
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360 sx = (group.getStartRes() - startx) * av.charWidth;
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361 sy = offset + AlignmentUtil.getPixelHeight(starty, i, av.charHeight);
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362 ex = (group.getEndRes() + 1 - group.getStartRes()) * av.charWidth -1;
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364 if (sx < getWidth()
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366 && group.sequences.contains(av.alignment.getSequenceAt(i)))
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368 if (bottom == -1 &&
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369 !group.sequences.contains(av.alignment.getSequenceAt(i + 1)))
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370 bottom = sy + av.charHeight ;
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374 if (top == -1 && i==0 ||
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375 !group.sequences.contains(av.alignment.getSequenceAt(i - 1)))
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381 if (group == av.getSelectionGroup())
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383 g.setStroke(new BasicStroke(1, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 3f, new float[]{5f,3f}, 0f ));
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384 g.setColor(Color.RED);
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388 g.setStroke(new BasicStroke());
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389 g.setColor(group.getOutlineColour());
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397 g.drawLine(sx, oldY, sx, sy );
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398 g.drawLine(sx+ex, oldY, sx+ex, sy );
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402 g.drawLine(sx, top, sx + ex, top);
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407 g.drawLine(sx, bottom, sx + ex, bottom);
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422 g.drawLine(sx, top, sx + ex, top);
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427 g.drawLine(sx, bottom-1, sx + ex, bottom-1);
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431 sy = offset + AlignmentUtil.getPixelHeight(starty, i, av.charHeight);
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432 g.drawLine(sx, oldY, sx, sy );
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433 g.drawLine(sx+ex, oldY, sx+ex, sy );
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437 if (groupIndex >= groups.size())
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440 group = (SequenceGroup) groups.elementAt(groupIndex);
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443 while (groupIndex < groups.size());
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446 /// Highlight search Results once all sequences have been drawn
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447 //////////////////////////////////////////////////////////
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450 for(int r=0; r<searchResults.length; r+=3)
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452 int searchSeq = searchResults[r];
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453 int searchStart = searchResults[r+1];
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454 int searchEnd = searchResults[r+2];
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456 if (searchSeq >= y1 && searchSeq < y2)
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458 SequenceRenderer ssr = (SequenceRenderer) sr;
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463 ssr.drawHighlightedText(av.getAlignment().getSequenceAt(searchSeq),
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466 (searchStart - startx) * av.charWidth,
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468 AlignmentUtil.getPixelHeight(starty, searchSeq,
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480 public void highlightSearchResults(int [] results)
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482 // results are in the order sequence, startRes, endRes
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484 displaySearch = false;
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486 displaySearch = true;
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488 searchResults = results;
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