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.gui;
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23 import java.awt.image.*;
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24 import javax.swing.*;
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25 import jalview.datamodel.*;
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26 import jalview.analysis.*;
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29 public class SeqCanvas extends JComponent
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32 SequenceRenderer sr;
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40 boolean showScores = false;
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41 boolean displaySearch = false;
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42 int [] searchResults = null;
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47 boolean fastPaint = false;
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50 public SeqCanvas(AlignViewport av)
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53 fr = new FeatureRenderer(av);
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54 sr = new SequenceRenderer(av);
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55 setLayout(new BorderLayout());
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56 PaintRefresher.Register(this);
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60 void drawNorthScale(Graphics g, int startx, int endx,int ypos) {
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61 int scalestartx = startx - startx % 10 + 10;
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63 g.setColor(Color.black);
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66 for (int i = scalestartx; i < endx; i += 10)
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68 String string = String.valueOf(i);
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69 g.drawString(string, (i - startx - 1) * av.charWidth,
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70 ypos - av.charHeight / 2);
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72 g.drawLine( (i - startx - 1) * av.charWidth + av.charWidth / 2,
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73 ypos + 2 - av.charHeight / 2,
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74 (i - startx - 1) * av.charWidth + av.charWidth / 2, ypos - 2);
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79 void drawWestScale(Graphics g, int startx, int endx, int ypos)
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81 FontMetrics fm = getFontMetrics(av.getFont());
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82 ypos+= av.charHeight;
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84 for (int i = 0; i < av.alignment.getHeight(); i++)
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86 SequenceI seq = av.alignment.getSequenceAt(i);
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89 while (index < endx)
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91 if (jalview.util.Comparison.isGap(seq.getCharAt(index)))
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97 value = av.alignment.getSequenceAt(i).findPosition(index);
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102 int x = LABEL_WEST - fm.stringWidth(value+"");
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103 g.drawString(value + "", x, ypos + i*av.charHeight - av.charHeight/5);
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108 void drawEastScale(Graphics g, int startx, int endx, int ypos)
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110 ypos+= av.charHeight;
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112 for (int i = 0; i < av.alignment.getHeight(); i++)
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114 SequenceI seq = av.alignment.getSequenceAt(i);
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117 while (index > startx)
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119 if (jalview.util.Comparison.isGap(seq.getCharAt(index)))
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125 value = av.alignment.getSequenceAt(i).findPosition(index);
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129 g.drawString(value + "", 0, ypos + i*av.charHeight - av.charHeight/5);
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138 public void fastPaint(int horizontal, int vertical)
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140 if (horizontal == 0 && vertical == 0 || gg==null)
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143 gg.copyArea(0, 0, imgWidth, imgHeight, -horizontal * av.charWidth,
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144 -vertical * av.charHeight);
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146 int sr = av.startRes, er = av.endRes, ss = av.startSeq, es = av.endSeq,
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147 transX = 0, transY = 0;
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148 if (horizontal > 0) // scrollbar pulled right, image to the left
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150 transX = (er - sr - horizontal) * av.charWidth;
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151 sr = er - horizontal;
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153 else if (horizontal < 0)
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154 er = sr - horizontal;
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156 else if (vertical > 0) // scroll down
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158 ss = es - vertical;
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159 if(ss<av.startSeq) // ie scrolling too fast, more than a page at a time
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162 transY = imgHeight - vertical * av.charHeight;
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164 else if (vertical < 0)
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166 es = ss - vertical;
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172 gg.translate(transX, transY);
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174 gg.setColor(Color.white);
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175 gg.fillRect(0,0, (er-sr+1)*av.charWidth, (es-ss)*av.charHeight);
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176 drawPanel(gg, sr, er, ss, es, sr, ss, 0);
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177 gg.translate( -transX, -transY);
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185 * Definitions of startx and endx (hopefully):
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186 * SMJS This is what I'm working towards!
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187 * startx is the first residue (starting at 0) to display.
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188 * endx is the last residue to display (starting at 0).
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189 * starty is the first sequence to display (starting at 0).
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190 * endy is the last sequence to display (starting at 0).
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191 * NOTE 1: The av limits are set in setFont in this class and
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192 * in the adjustment listener in SeqPanel when the scrollbars move.
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195 public void paintComponent(Graphics g)
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197 g.setColor(Color.white);
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198 g.fillRect(0, 0, getWidth(), getHeight());
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202 g.drawImage(img, 0, 0, this);
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207 // this draws the whole of the alignment
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208 imgWidth = getWidth();
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209 imgHeight = getHeight();
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211 imgWidth -= imgWidth%av.charWidth;
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212 imgHeight-= imgHeight%av.charHeight;
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214 if(imgWidth<1 || imgHeight<1)
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217 img = new BufferedImage(imgWidth,imgHeight,BufferedImage.TYPE_INT_RGB);
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218 gg = (Graphics2D)img.getGraphics();
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219 gg.setFont(av.getFont());
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220 gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
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222 gg.setColor(Color.white);
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223 gg.fillRect(0,0,imgWidth,imgHeight);
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225 chunkWidth = getWrappedCanvasWidth( getWidth() );
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226 chunkHeight = (av.getAlignment().getHeight() + 2)*av.charHeight;
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228 av.setChunkHeight(chunkHeight);
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229 av.setChunkWidth(chunkWidth);
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232 if (av.getWrapAlignment())
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233 drawWrappedPanel(gg, getWidth(), getHeight(), av.startRes);
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235 drawPanel(gg, av.startRes, av.endRes, av.startSeq, av.endSeq, av.startRes, av.startSeq, 0);
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237 g.drawImage(img, 0, 0, this);
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241 int LABEL_WEST, LABEL_EAST;
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242 public int getWrappedCanvasWidth(int cwidth)
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244 FontMetrics fm = getFontMetrics(av.getFont());
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249 if(av.scaleRightWrapped)
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250 LABEL_EAST = fm.stringWidth( av.alignment.getWidth()+"000" );
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252 if(av.scaleLeftWrapped)
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253 LABEL_WEST = fm.stringWidth( av.alignment.getWidth()+"" );
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255 return (cwidth - LABEL_EAST -LABEL_WEST)/av.charWidth;
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258 public void drawWrappedPanel(Graphics g, int canvasWidth, int canvasHeight, int startRes)
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260 AlignmentI al = av.getAlignment();
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262 FontMetrics fm = getFontMetrics(av.getFont());
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264 int LABEL_EAST = 0;
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265 if(av.scaleRightWrapped)
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266 LABEL_EAST = fm.stringWidth( al.getWidth()+"000" );
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267 int LABEL_WEST = 0;
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268 if(av.scaleLeftWrapped)
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269 LABEL_WEST = fm.stringWidth(al.getWidth()+"0");
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272 int cWidth = (canvasWidth - LABEL_EAST -LABEL_WEST)/av.charWidth;
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273 int cHeight = (av.getAlignment().getHeight() + 2)*av.charHeight;
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275 av.endRes = av.startRes + cWidth;
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277 int endx = startRes+cWidth-1;
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278 int ypos = 2*av.charHeight;
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280 while (ypos <= canvasHeight && startRes<av.alignment.getWidth() )
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282 g.setColor(Color.black);
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284 if(av.scaleLeftWrapped)
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285 drawWestScale(g, startRes, endx, ypos);
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287 if(av.scaleRightWrapped)
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289 g.translate(canvasWidth - LABEL_EAST +av.charWidth, 0);
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290 drawEastScale(g, startRes, endx, ypos);
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291 g.translate( - (canvasWidth - LABEL_EAST+av.charWidth), 0);
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294 g.translate(LABEL_WEST,0);
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295 if(av.scaleAboveWrapped)
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296 drawNorthScale(g, startRes, endx, ypos);
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299 // When printing we have an extra clipped region,
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300 // the Printable page which we need to account for here
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301 Shape clip = g.getClip();
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303 g.setClip(0, 0, cWidth*av.charWidth, canvasHeight);
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306 (int)clip.getBounds().getY(),
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307 cWidth*av.charWidth,
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308 (int)clip.getBounds().getHeight()
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311 drawPanel(g, startRes, endx, 0, al.getHeight(), startRes, 0, ypos);
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313 g.translate(-LABEL_WEST,0);
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316 startRes += cWidth;
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317 endx = startRes + cWidth - 1;
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319 if (endx > al.getWidth())
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320 endx = al.getWidth();
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326 synchronized public void drawPanel(Graphics g1,int x1,int x2, int y1, int y2,int startx, int starty,int offset) {
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328 Graphics2D g = (Graphics2D)g1;
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329 g.setFont(av.getFont());
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330 sr.renderGaps(av.renderGaps);
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335 /// First draw the sequences
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336 /////////////////////////////
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337 for (int i = y1 ; i < y2 ;i++)
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339 nextSeq = av.alignment.getSequenceAt(i);
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341 sr.drawSequence(g, nextSeq, av.alignment.findAllGroups( nextSeq ),x1,x2,
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342 (x1 - startx) * av.charWidth,
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343 offset + AlignmentUtil.getPixelHeight(starty, i, av.charHeight),
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344 av.charWidth,av.charHeight);
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346 if(av.showSequenceFeatures)
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348 fr.drawSequence(g, nextSeq, av.alignment.findAllGroups( nextSeq ), x1, x2,
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349 (x1 - startx) * av.charWidth,
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351 AlignmentUtil.getPixelHeight(starty, i, av.charHeight),
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352 av.charWidth, av.charHeight);
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356 /////////////////////////////////////
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358 // Now outline any areas if necessary
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359 /////////////////////////////////////
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360 SequenceGroup group = av.getSelectionGroup();
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361 java.util.Vector groups = av.alignment.getGroups();
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363 int sx = -1, sy = -1, ex = -1;
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364 int groupIndex = -1;
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365 if (group == null && groups.size() > 0)
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367 group = (SequenceGroup) groups.elementAt(0);
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376 boolean inGroup = false;
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377 int top=-1, bottom =-1;
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378 for (i = y1; i < y2; i++)
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380 sx = (group.getStartRes() - startx) * av.charWidth;
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381 sy = offset + AlignmentUtil.getPixelHeight(starty, i, av.charHeight);
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382 ex = (group.getEndRes() + 1 - group.getStartRes()) * av.charWidth -1;
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384 if (sx < getWidth()
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386 && group.sequences.contains(av.alignment.getSequenceAt(i)))
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388 if (bottom == -1 &&
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389 !group.sequences.contains(av.alignment.getSequenceAt(i + 1)))
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390 bottom = sy + av.charHeight ;
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394 if (top == -1 && i==0 ||
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395 !group.sequences.contains(av.alignment.getSequenceAt(i - 1)))
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401 if (group == av.getSelectionGroup())
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403 g.setStroke(new BasicStroke(1, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 3f, new float[]{5f,3f}, 0f ));
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404 g.setColor(Color.RED);
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408 g.setStroke(new BasicStroke());
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409 g.setColor(group.getOutlineColour());
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417 g.drawLine(sx, oldY, sx, sy );
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418 g.drawLine(sx+ex, oldY, sx+ex, sy );
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422 g.drawLine(sx, top, sx + ex, top);
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427 g.drawLine(sx, bottom, sx + ex, bottom);
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442 g.drawLine(sx, top, sx + ex, top);
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447 g.drawLine(sx, bottom-1, sx + ex, bottom-1);
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451 sy = offset + AlignmentUtil.getPixelHeight(starty, i, av.charHeight);
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452 g.drawLine(sx, oldY, sx, sy );
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453 g.drawLine(sx+ex, oldY, sx+ex, sy );
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457 if (groupIndex >= groups.size())
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460 group = (SequenceGroup) groups.elementAt(groupIndex);
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463 while (groupIndex < groups.size());
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466 /// Highlight search Results once all sequences have been drawn
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467 //////////////////////////////////////////////////////////
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470 for(int r=0; r<searchResults.length; r+=3)
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472 int searchSeq = searchResults[r];
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474 if (searchSeq >= y1 && searchSeq < y2)
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476 SequenceI seq = av.getAlignment().getSequenceAt(searchSeq);
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478 int searchStart = seq.findIndex( searchResults[r+1] )-1;
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479 int searchEnd = seq.findIndex( searchResults[r+2] )-1;
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481 SequenceRenderer ssr = (SequenceRenderer) sr;
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487 ssr.drawHighlightedText(seq,
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490 (searchStart - startx) * av.charWidth,
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492 AlignmentUtil.getPixelHeight(starty, searchSeq,
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504 public void highlightSearchResults(int [] results)
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506 // results are in the order sequence, startRes, endRes
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508 displaySearch = false;
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510 displaySearch = true;
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512 searchResults = results;
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