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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19 package jalview.gui;
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21 import jalview.datamodel.*;
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23 import jalview.schemes.*;
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31 * @version $Revision$
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33 public class SequenceRenderer
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37 boolean renderGaps = true;
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38 SequenceGroup currentSequenceGroup = null;
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39 SequenceGroup[] allGroups = null;
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42 boolean monospacedFont;
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43 boolean forOverview = false;
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46 * Creates a new SequenceRenderer object.
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48 * @param av DOCUMENT ME!
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50 public SequenceRenderer(AlignViewport av)
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58 * @param b DOCUMENT ME!
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60 public void prepare(Graphics g, boolean renderGaps)
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63 fm = g.getFontMetrics();
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65 // If EPS graphics, stringWidth will be a double, not an int
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66 double dwidth = fm.getStringBounds("M", g).getWidth();
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69 dwidth == fm.getStringBounds("|",g).getWidth()
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70 && av.charWidth == (int)dwidth;
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72 this.renderGaps = renderGaps;
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76 public Color getResidueBoxColour(SequenceI seq, int i)
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78 allGroups = av.alignment.findAllGroups(seq);
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80 if (inCurrentSequenceGroup(i))
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82 if (currentSequenceGroup.getDisplayBoxes())
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84 getBoxColour(currentSequenceGroup.cs, seq, i);
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87 else if (av.getShowBoxes())
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89 getBoxColour(av.globalColourScheme, seq, i);
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92 return resBoxColour;
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99 * @param cs DOCUMENT ME!
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100 * @param seq DOCUMENT ME!
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101 * @param i DOCUMENT ME!
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103 void getBoxColour(ColourSchemeI cs, SequenceI seq, int i)
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107 resBoxColour = cs.findColour(seq.getSequence(i, i + 1), i);
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109 else if(forOverview && !jalview.util.Comparison.isGap(seq.getCharAt(i)))
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111 resBoxColour = Color.lightGray;
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115 resBoxColour = Color.white;
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122 * @param g DOCUMENT ME!
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123 * @param seq DOCUMENT ME!
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124 * @param sg DOCUMENT ME!
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125 * @param start DOCUMENT ME!
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126 * @param end DOCUMENT ME!
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127 * @param x1 DOCUMENT ME!
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128 * @param y1 DOCUMENT ME!
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129 * @param width DOCUMENT ME!
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130 * @param height DOCUMENT ME!
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132 public void drawSequence(SequenceI seq, SequenceGroup[] sg,
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133 int start, int end, int y1)
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137 drawBoxes(seq, start, end, y1);
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139 if (av.validCharWidth)
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140 drawText(seq, start, end, y1);
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146 * @param seq DOCUMENT ME!
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147 * @param start DOCUMENT ME!
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148 * @param end DOCUMENT ME!
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149 * @param x1 DOCUMENT ME!
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150 * @param y1 DOCUMENT ME!
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151 * @param width DOCUMENT ME!
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152 * @param height DOCUMENT ME!
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154 public synchronized void drawBoxes(SequenceI seq, int start, int end, int y1)
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157 int length = seq.getLength();
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160 int curWidth = av.charWidth;
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162 Color tempColour = null;
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166 resBoxColour = Color.white;
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170 if (inCurrentSequenceGroup(i))
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172 if (currentSequenceGroup.getDisplayBoxes())
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174 getBoxColour(currentSequenceGroup.cs, seq, i);
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177 else if (av.getShowBoxes())
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179 getBoxColour(av.globalColourScheme, seq, i);
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184 if (resBoxColour != tempColour)
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186 if (tempColour != null)
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188 graphics.fillRect( av.charWidth * (curStart - start), y1,
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189 curWidth, av.charHeight);
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192 graphics.setColor(resBoxColour);
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195 curWidth = av.charWidth;
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196 tempColour = resBoxColour;
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200 curWidth += av.charWidth;
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206 graphics.fillRect( av.charWidth * (curStart - start), y1, curWidth,
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214 * @param seq DOCUMENT ME!
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215 * @param start DOCUMENT ME!
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216 * @param end DOCUMENT ME!
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217 * @param x1 DOCUMENT ME!
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218 * @param y1 DOCUMENT ME!
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219 * @param width DOCUMENT ME!
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220 * @param height DOCUMENT ME!
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222 public void drawText(SequenceI seq, int start, int end, int y1)
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224 y1 += av.charHeight - av.charHeight / 5; // height/5 replaces pady
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225 int charOffset = 0;
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228 if(end+1>=seq.getLength())
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229 end = seq.getLength()-1;
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230 graphics.setColor(Color.black);
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233 if(monospacedFont && av.showText && allGroups.length==0 && !av.getColourText())
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236 graphics.drawString(seq.getSequence(start, end + 1), 0, y1);
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239 char gap = av.getGapCharacter();
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240 graphics.drawString( seq.getSequence(start, end+1).replace(gap, ' '), 0, y1);
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245 for (int i = start; i <= end; i++)
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247 graphics.setColor(Color.black);
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248 s = seq.getCharAt(i);
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249 if (!renderGaps && jalview.util.Comparison.isGap(s))
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254 if (inCurrentSequenceGroup(i))
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256 if (!currentSequenceGroup.getDisplayText())
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261 if (currentSequenceGroup.getColourText())
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263 getBoxColour(currentSequenceGroup.cs, seq, i);
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264 graphics.setColor(resBoxColour.darker());
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269 if (!av.getShowText())
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274 if (av.getColourText())
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276 getBoxColour(av.globalColourScheme, seq, i);
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278 if (av.getShowBoxes())
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280 graphics.setColor(resBoxColour.darker());
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284 graphics.setColor(resBoxColour);
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289 charOffset = (av.charWidth - fm.charWidth(s)) / 2;
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291 // System.out.print(s);
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292 graphics.drawString(String.valueOf(s),
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293 charOffset + av.charWidth * (i - start),
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297 // System.out.println("\n");
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304 * @param res DOCUMENT ME!
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306 * @return DOCUMENT ME!
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308 boolean inCurrentSequenceGroup(int res)
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310 if (allGroups == null)
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315 for (int i = 0; i < allGroups.length; i++)
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317 if ((allGroups[i].getStartRes() <= res) &&
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318 (allGroups[i].getEndRes() >= res))
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320 currentSequenceGroup = allGroups[i];
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332 * @param seq DOCUMENT ME!
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333 * @param start DOCUMENT ME!
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334 * @param end DOCUMENT ME!
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335 * @param x1 DOCUMENT ME!
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336 * @param y1 DOCUMENT ME!
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337 * @param width DOCUMENT ME!
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338 * @param height DOCUMENT ME!
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340 public void drawHighlightedText(SequenceI seq, int start, int end, int x1, int y1)
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342 int pady = av.charHeight / 5;
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343 int charOffset = 0;
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344 graphics.setColor(Color.BLACK);
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345 graphics.fillRect(x1, y1, av.charWidth * (end - start + 1), av.charHeight);
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346 graphics.setColor(Color.white);
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350 // Need to find the sequence position here.
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351 if(av.validCharWidth)
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353 for (int i = start; i <= end; i++)
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355 if (i < seq.getLength())
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357 s = seq.getSequence().charAt(i);
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360 charOffset = (av.charWidth - fm.charWidth(s)) / 2;
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361 graphics.drawString(String.valueOf(s),
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362 charOffset + x1 + (av.charWidth * (i - start)),
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363 (y1 + av.charHeight) - pady);
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368 public void drawCursor(SequenceI seq, int res, int x1, int y1)
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370 int pady = av.charHeight / 5;
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371 int charOffset = 0;
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372 graphics.setColor(Color.black);
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373 graphics.fillRect(x1, y1, av.charWidth, av.charHeight);
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375 if(av.validCharWidth)
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377 graphics.setColor(Color.white);
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379 char s = seq.getCharAt(res);
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381 charOffset = (av.charWidth - fm.charWidth(s)) / 2;
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382 graphics.drawString(String.valueOf(s),
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384 (y1 + av.charHeight) - pady);
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