2 * Jalview - A Sequence Alignment Editor and Viewer
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3 * Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
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5 * This program is free software; you can redistribute it and/or
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6 * modify it under the terms of the GNU General Public License
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7 * as published by the Free Software Foundation; either version 2
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8 * of the License, or (at your option) any later version.
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10 * This program is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 * GNU General Public License for more details.
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15 * You should have received a copy of the GNU General Public License
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16 * along with this program; if not, write to the Free Software
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17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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20 package jalview.appletgui;
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23 import jalview.datamodel.*;
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24 import jalview.analysis.*;
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27 public class SeqCanvas extends Panel
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30 SequenceRenderer sr;
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38 boolean showScores = false;
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39 boolean displaySearch = false;
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40 int [] searchResults = null;
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45 boolean fastPaint = false;
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48 public SeqCanvas(AlignViewport av)
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51 fr = new FeatureRenderer(av);
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52 sr = new SequenceRenderer(av);
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53 PaintRefresher.Register(this);
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57 void drawNorthScale(Graphics g, int startx, int endx,int ypos) {
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58 int scalestartx = startx - startx % 10 + 10;
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60 g.setColor(Color.black);
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63 for (int i = scalestartx; i < endx; i += 10)
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65 String string = String.valueOf(i);
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66 g.drawString(string, (i - startx - 1) * av.charWidth,
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67 ypos - av.charHeight / 2);
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69 g.drawLine( (i - startx - 1) * av.charWidth + av.charWidth / 2,
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70 ypos + 2 - av.charHeight / 2,
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71 (i - startx - 1) * av.charWidth + av.charWidth / 2, ypos - 2);
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76 void drawWestScale(Graphics g, int startx, int endx, int ypos)
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78 FontMetrics fm = getFontMetrics(av.getFont());
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79 ypos+= av.charHeight;
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81 for (int i = 0; i < av.alignment.getHeight(); i++)
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83 SequenceI seq = av.alignment.getSequenceAt(i);
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86 while (index < endx)
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88 if (jalview.util.Comparison.isGap(seq.getCharAt(index)))
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94 value = av.alignment.getSequenceAt(i).findPosition(index);
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99 int x = LABEL_WEST - fm.stringWidth(value+"");
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100 g.drawString(value + "", x, ypos + i*av.charHeight - av.charHeight/5);
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105 void drawEastScale(Graphics g, int startx, int endx, int ypos)
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107 ypos+= av.charHeight;
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109 for (int i = 0; i < av.alignment.getHeight(); i++)
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111 SequenceI seq = av.alignment.getSequenceAt(i);
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114 while (index > startx)
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116 if (jalview.util.Comparison.isGap(seq.getCharAt(index)))
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122 value = av.alignment.getSequenceAt(i).findPosition(index);
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126 g.drawString(value + "", 0, ypos + i*av.charHeight - av.charHeight/5);
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133 public void fastPaint(int horizontal, int vertical)
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135 if (horizontal == 0 && vertical == 0 || gg==null)
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138 gg.copyArea(0, 0, imgWidth, imgHeight, -horizontal * av.charWidth,
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139 -vertical * av.charHeight);
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141 int sr = av.startRes, er = av.endRes, ss = av.startSeq, es = av.endSeq,
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142 transX = 0, transY = 0;
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143 if (horizontal > 0) // scrollbar pulled right, image to the left
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145 transX = (er - sr - horizontal) * av.charWidth;
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146 sr = er - horizontal;
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148 else if (horizontal < 0)
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149 er = sr - horizontal;
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151 else if (vertical > 0) // scroll down
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153 ss = es - vertical;
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154 if(ss<av.startSeq) // ie scrolling too fast, more than a page at a time
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157 transY = imgHeight - vertical * av.charHeight;
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159 else if (vertical < 0)
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161 es = ss - vertical;
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167 gg.translate(transX, transY);
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169 gg.setColor(Color.white);
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170 gg.fillRect(0,0, (er-sr+1)*av.charWidth, (es-ss)*av.charHeight);
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171 drawPanel(gg, sr, er, ss, es, sr, ss, 0);
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172 gg.translate( -transX, -transY);
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180 * Definitions of startx and endx (hopefully):
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181 * SMJS This is what I'm working towards!
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182 * startx is the first residue (starting at 0) to display.
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183 * endx is the last residue to display (starting at 0).
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184 * starty is the first sequence to display (starting at 0).
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185 * endy is the last sequence to display (starting at 0).
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186 * NOTE 1: The av limits are set in setFont in this class and
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187 * in the adjustment listener in SeqPanel when the scrollbars move.
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189 public void update(Graphics g)
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194 public void paint(Graphics g)
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198 g.drawImage(img, 0, 0, this);
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203 // this draws the whole of the alignment
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204 imgWidth = this.getSize().width;
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205 imgHeight = this.getSize().height;
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207 imgWidth -= imgWidth%av.charWidth;
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208 imgHeight-= imgHeight%av.charHeight;
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210 if(imgWidth<1 || imgHeight<1)
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213 if(img==null || imgWidth!=img.getWidth(this) || imgHeight!=img.getHeight(this))
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215 img = createImage(imgWidth, imgHeight);
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216 gg = img.getGraphics();
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217 gg.setFont(av.getFont());
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220 gg.setColor(Color.white);
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221 gg.fillRect(0,0,imgWidth,imgHeight);
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223 chunkWidth = getWrappedCanvasWidth( getSize().width );
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224 chunkHeight = (av.getAlignment().getHeight() + 2)*av.charHeight;
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226 av.setChunkHeight(chunkHeight);
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227 av.setChunkWidth(chunkWidth);
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230 if (av.getWrapAlignment())
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231 drawWrappedPanel(gg, getSize().width, getSize().height, av.startRes);
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233 drawPanel(gg, av.startRes, av.endRes, av.startSeq, av.endSeq, av.startRes, av.startSeq, 0);
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235 g.drawImage(img, 0, 0, this);
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239 int LABEL_WEST, LABEL_EAST;
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240 public int getWrappedCanvasWidth(int cwidth)
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242 FontMetrics fm = getFontMetrics(av.getFont());
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247 if(av.scaleRightWrapped)
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248 LABEL_EAST = fm.stringWidth( av.alignment.getWidth()+"000" );
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250 if(av.scaleLeftWrapped)
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251 LABEL_WEST = fm.stringWidth( av.alignment.getWidth()+"" );
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253 return (cwidth - LABEL_EAST -LABEL_WEST)/av.charWidth;
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256 public void drawWrappedPanel(Graphics g, int canvasWidth, int canvasHeight, int startRes)
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258 AlignmentI al = av.getAlignment();
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260 FontMetrics fm = getFontMetrics(av.getFont());
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262 int LABEL_EAST = 0;
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263 if(av.scaleRightWrapped)
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264 LABEL_EAST = fm.stringWidth( al.getWidth()+"000" );
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265 int LABEL_WEST = 0;
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266 if(av.scaleLeftWrapped)
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267 LABEL_WEST = fm.stringWidth(al.getWidth()+"0");
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270 int cWidth = (canvasWidth - LABEL_EAST -LABEL_WEST)/av.charWidth;
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271 int cHeight = (av.getAlignment().getHeight() + 2)*av.charHeight;
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273 av.endRes = av.startRes + cWidth;
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275 int endx = startRes+cWidth-1;
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276 int ypos = 2*av.charHeight;
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278 while (ypos <= canvasHeight && startRes<av.alignment.getWidth() )
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280 g.setColor(Color.black);
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282 if(av.scaleLeftWrapped)
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283 drawWestScale(g, startRes, endx, ypos);
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285 if(av.scaleRightWrapped)
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287 g.translate(canvasWidth - LABEL_EAST +av.charWidth, 0);
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288 drawEastScale(g, startRes, endx, ypos);
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289 g.translate( - (canvasWidth - LABEL_EAST+av.charWidth), 0);
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292 g.translate(LABEL_WEST,0);
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293 if(av.scaleAboveWrapped)
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294 drawNorthScale(g, startRes, endx, ypos);
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297 // When printing we have an extra clipped region,
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298 // the Printable page which we need to account for here
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299 Shape clip = g.getClip();
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301 g.setClip(0, 0, cWidth*av.charWidth, canvasHeight);
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304 (int)clip.getBounds().y,
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305 cWidth*av.charWidth,
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306 (int)clip.getBounds().height
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309 drawPanel(g, startRes, endx, 0, al.getHeight(), startRes, 0, ypos);
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311 g.translate(-LABEL_WEST,0);
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314 startRes += cWidth;
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315 endx = startRes + cWidth - 1;
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317 if (endx > al.getWidth())
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318 endx = al.getWidth();
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324 synchronized public void drawPanel(Graphics g,int x1,int x2, int y1, int y2,int startx, int starty,int offset) {
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326 g.setFont(av.getFont());
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327 sr.renderGaps(av.renderGaps);
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331 /// First draw the sequences
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332 /////////////////////////////
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333 for (int i = y1 ; i < y2 ;i++)
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335 nextSeq = av.alignment.getSequenceAt(i);
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337 sr.drawSequence(g, nextSeq, av.alignment.findAllGroups( nextSeq ),x1,x2,
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338 (x1 - startx) * av.charWidth,
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339 offset + AlignmentUtil.getPixelHeight(starty, i, av.charHeight),
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340 av.charWidth,av.charHeight);
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342 if(av.showSequenceFeatures)
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344 fr.drawSequence(g, nextSeq, av.alignment.findAllGroups( nextSeq ), x1, x2,
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345 (x1 - startx) * av.charWidth,
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347 AlignmentUtil.getPixelHeight(starty, i, av.charHeight),
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348 av.charWidth, av.charHeight);
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352 /////////////////////////////////////
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354 // Now outline any areas if necessary
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355 /////////////////////////////////////
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356 SequenceGroup group = av.getSelectionGroup();
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357 java.util.Vector groups = av.alignment.getGroups();
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359 int sx = -1, sy = -1, ex = -1;
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360 int groupIndex = -1;
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361 if (group == null && groups.size() > 0)
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363 group = (SequenceGroup) groups.elementAt(0);
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372 boolean inGroup = false;
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373 int top=-1, bottom =-1;
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374 for (i = y1; i < y2; i++)
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376 sx = (group.getStartRes() - startx) * av.charWidth;
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377 sy = offset + AlignmentUtil.getPixelHeight(starty, i, av.charHeight);
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378 ex = (group.getEndRes() + 1 - group.getStartRes()) * av.charWidth -1;
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380 if (sx < getSize().width
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382 && group.sequences.contains(av.alignment.getSequenceAt(i)))
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384 if (bottom == -1 && (i==av.alignment.getHeight()-1 ||
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385 !group.sequences.contains(av.alignment.getSequenceAt(i + 1))))
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386 bottom = sy + av.charHeight ;
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390 if (top == -1 && i==0 ||
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391 !group.sequences.contains(av.alignment.getSequenceAt(i - 1)))
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397 if (group == av.getSelectionGroup())
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399 g.setColor(new Color(255,0,0));
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403 g.setColor(group.getOutlineColour());
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411 g.drawLine(sx, oldY, sx, sy );
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412 g.drawLine(sx+ex, oldY, sx+ex, sy );
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416 g.drawLine(sx, top, sx + ex, top);
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421 g.drawLine(sx, bottom, sx + ex, bottom);
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436 g.drawLine(sx, top, sx + ex, top);
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441 g.drawLine(sx, bottom-1, sx + ex, bottom-1);
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445 sy = offset + AlignmentUtil.getPixelHeight(starty, i, av.charHeight);
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446 g.drawLine(sx, oldY, sx, sy );
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447 g.drawLine(sx+ex, oldY, sx+ex, sy );
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451 if (groupIndex >= groups.size())
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454 group = (SequenceGroup) groups.elementAt(groupIndex);
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457 while (groupIndex < groups.size());
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460 /// Highlight search Results once all sequences have been drawn
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461 //////////////////////////////////////////////////////////
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464 for(int r=0; r<searchResults.length; r+=3)
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466 int searchSeq = searchResults[r];
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468 if (searchSeq >= y1 && searchSeq < y2)
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470 SequenceI seq = av.getAlignment().getSequenceAt(searchSeq);
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472 int searchStart = seq.findIndex( searchResults[r+1] )-1;
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473 int searchEnd = seq.findIndex( searchResults[r+2] )-1;
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475 SequenceRenderer ssr = (SequenceRenderer) sr;
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481 ssr.drawHighlightedText(seq,
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484 (searchStart - startx) * av.charWidth,
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486 AlignmentUtil.getPixelHeight(starty, searchSeq,
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498 public void highlightSearchResults(int [] results)
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500 // results are in the order sequence, startRes, endRes
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502 displaySearch = false;
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504 displaySearch = true;
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506 searchResults = results;
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