2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
23 import jalview.api.AlignViewportI;
24 import jalview.datamodel.SequenceGroup;
25 import jalview.datamodel.SequenceI;
26 import jalview.renderer.ResidueColourFinder;
27 import jalview.renderer.seqfeatures.FeatureColourFinder;
29 import java.awt.Color;
30 import java.awt.FontMetrics;
31 import java.awt.Graphics;
33 import org.jfree.graphics2d.svg.SVGGraphics2D;
34 import org.jibble.epsgraphics.EpsGraphics2D;
36 public class SequenceRenderer implements jalview.api.SequenceRenderer
38 final static int CHAR_TO_UPPER = 'A' - 'a';
44 boolean renderGaps = true;
46 SequenceGroup[] allGroups = null;
48 // Color resBoxColour;
52 boolean monospacedFont;
54 ResidueColourFinder resColourFinder;
57 * Creates a new SequenceRenderer object
61 public SequenceRenderer(AlignViewportI viewport)
64 resColourFinder = new ResidueColourFinder();
74 public void prepare(Graphics g, boolean renderGaps)
77 fm = g.getFontMetrics();
79 // If EPS graphics, stringWidth will be a double, not an int
80 double dwidth = fm.getStringBounds("M", g).getWidth();
82 monospacedFont = (dwidth == fm.getStringBounds("|", g).getWidth()
83 && av.getCharWidth() == dwidth);
85 this.renderGaps = renderGaps;
89 * Get the residue colour at the given sequence position - as determined by
90 * the sequence group colour (if any), else the colour scheme, possibly
91 * overridden by a feature colour.
99 public Color getResidueColour(final SequenceI seq, int position,
100 FeatureColourFinder finder)
102 allGroups = av.getAlignment().findAllGroups(seq);
103 return resColourFinder.getResidueColour(av.getShowBoxes(),
104 av.getResidueShading(), allGroups, seq, position, finder);
129 public void drawSequence(SequenceI seq, SequenceGroup[] sg, int start,
134 drawBoxes(seq, start, end, y1);
136 if (av.isValidCharWidth())
138 drawText(seq, start, end, y1);
160 public synchronized void drawBoxes(SequenceI seq, int start, int end,
163 Color resBoxColour = Color.white;
167 return; // fix for racecondition
170 int length = seq.getLength();
173 int curWidth = av.getCharWidth(), avWidth = av.getCharWidth(),
174 avHeight = av.getCharHeight();
176 Color tempColour = null;
180 resBoxColour = Color.white;
184 SequenceGroup currentSequenceGroup = resColourFinder
185 .getCurrentSequenceGroup(allGroups, i);
186 if (currentSequenceGroup != null)
188 if (currentSequenceGroup.getDisplayBoxes())
190 resBoxColour = resColourFinder.getBoxColour(
191 currentSequenceGroup.getGroupColourScheme(), seq, i);
194 else if (av.getShowBoxes())
196 resBoxColour = resColourFinder
197 .getBoxColour(av.getResidueShading(), seq, i);
201 if (resBoxColour != tempColour)
203 if (tempColour != null)
205 graphics.fillRect(avWidth * (curStart - start), y1, curWidth,
209 graphics.setColor(resBoxColour);
213 tempColour = resBoxColour;
223 graphics.fillRect(avWidth * (curStart - start), y1, curWidth, avHeight);
245 public void drawText(SequenceI seq, int start, int end, int y1)
247 y1 += av.getCharHeight() - av.getCharHeight() / 5; // height/5 replaces pady
251 if (end + 1 >= seq.getLength())
253 end = seq.getLength() - 1;
255 graphics.setColor(av.getTextColour());
257 boolean drawAllText = monospacedFont && av.getShowText()
258 && allGroups.length == 0 && !av.getColourText()
259 && av.getThresholdTextColour() == 0;
262 * EPS or SVG misaligns monospaced strings (JAL-3239)
263 * so always draw these one character at a time
265 if (graphics instanceof EpsGraphics2D
266 || graphics instanceof SVGGraphics2D)
272 if (av.isRenderGaps())
274 graphics.drawString(seq.getSequenceAsString(start, end + 1), 0, y1);
278 char gap = av.getGapCharacter();
280 seq.getSequenceAsString(start, end + 1).replace(gap, ' '),
286 boolean srep = av.isDisplayReferenceSeq();
287 boolean getboxColour = false;
288 boolean isarep = av.getAlignment().getSeqrep() == seq;
289 Color resBoxColour = Color.white;
291 for (int i = start; i <= end; i++)
294 graphics.setColor(av.getTextColour());
295 getboxColour = false;
296 s = seq.getCharAt(i);
298 if (!renderGaps && jalview.util.Comparison.isGap(s))
303 SequenceGroup currentSequenceGroup = resColourFinder
304 .getCurrentSequenceGroup(allGroups, i);
305 if (currentSequenceGroup != null)
307 if (!currentSequenceGroup.getDisplayText())
312 if (currentSequenceGroup.thresholdTextColour > 0
313 || currentSequenceGroup.getColourText())
316 resBoxColour = resColourFinder.getBoxColour(
317 currentSequenceGroup.getGroupColourScheme(), seq, i);
319 if (currentSequenceGroup.getColourText())
321 graphics.setColor(resBoxColour.darker());
324 if (currentSequenceGroup.thresholdTextColour > 0)
326 if (resBoxColour.getRed() + resBoxColour.getBlue()
328 .getGreen() < currentSequenceGroup.thresholdTextColour)
330 graphics.setColor(currentSequenceGroup.textColour2);
336 graphics.setColor(currentSequenceGroup.textColour);
338 boolean isgrep = currentSequenceGroup != null
339 ? currentSequenceGroup.getSeqrep() == seq
341 if (!isarep && !isgrep
342 && currentSequenceGroup.getShowNonconserved()) // todo
345 // todo - use sequence group consensus
346 s = getDisplayChar(srep, i, s, '.', currentSequenceGroup);
353 if (!av.getShowText())
358 if (av.getColourText())
361 resBoxColour = resColourFinder
362 .getBoxColour(av.getResidueShading(), seq, i);
364 if (av.getShowBoxes())
366 graphics.setColor(resBoxColour.darker());
370 graphics.setColor(resBoxColour);
374 if (av.getThresholdTextColour() > 0)
378 resBoxColour = resColourFinder
379 .getBoxColour(av.getResidueShading(), seq, i);
382 if (resBoxColour.getRed() + resBoxColour.getBlue()
383 + resBoxColour.getGreen() < av.getThresholdTextColour())
385 graphics.setColor(av.getTextColour2());
388 if (!isarep && av.getShowUnconserved())
390 s = getDisplayChar(srep, i, s, '.', null);
396 charOffset = (av.getCharWidth() - fm.charWidth(s)) / 2;
397 graphics.drawString(String.valueOf(s),
398 charOffset + av.getCharWidth() * (i - start), y1);
405 * Returns 'conservedChar' to represent the given position if the sequence
406 * character at that position is equal to the consensus (ignoring case), else
407 * returns the sequence character
411 * @param sequenceChar
412 * @param conservedChar
415 private char getDisplayChar(final boolean usesrep, int position,
416 char sequenceChar, char conservedChar, SequenceGroup currentGroup)
418 // TODO - use currentSequenceGroup rather than alignment
419 // currentSequenceGroup.getConsensus()
420 char conschar = (usesrep) ? (currentGroup == null
421 || position < currentGroup.getStartRes()
422 || position > currentGroup.getEndRes()
423 ? av.getAlignment().getSeqrep().getCharAt(position)
424 : (currentGroup.getSeqrep() != null
425 ? currentGroup.getSeqrep().getCharAt(position)
426 : av.getAlignment().getSeqrep()
427 .getCharAt(position)))
428 : (currentGroup != null && currentGroup.getConsensus() != null
429 && position >= currentGroup.getStartRes()
430 && position <= currentGroup.getEndRes()
432 .getConsensus().annotations.length > position)
434 .getConsensus().annotations[position].displayCharacter
436 : av.getAlignmentConsensusAnnotation().annotations[position].displayCharacter
438 if (!jalview.util.Comparison.isGap(conschar)
439 && (sequenceChar == conschar
440 || sequenceChar + CHAR_TO_UPPER == conschar))
442 sequenceChar = conservedChar;
465 public void drawHighlightedText(SequenceI seq, int start, int end, int x1,
468 int pady = av.getCharHeight() / 5;
470 graphics.setColor(Color.BLACK);
471 graphics.fillRect(x1, y1, av.getCharWidth() * (end - start + 1),
473 graphics.setColor(Color.white);
477 // Need to find the sequence position here.
478 if (av.isValidCharWidth())
480 for (int i = start; i <= end; i++)
482 if (i < seq.getLength())
484 s = seq.getCharAt(i);
487 charOffset = (av.getCharWidth() - fm.charWidth(s)) / 2;
488 graphics.drawString(String.valueOf(s),
489 charOffset + x1 + (av.getCharWidth() * (i - start)),
490 (y1 + av.getCharHeight()) - pady);
496 * Draw a sequence canvas cursor
499 * graphics context to draw on
501 * character to draw at cursor
503 * x position of cursor in graphics context
505 * y position of cursor in graphics context
507 public void drawCursor(Graphics g, char s, int x1, int y1)
509 int pady = av.getCharHeight() / 5;
511 g.setColor(Color.black);
512 g.fillRect(x1, y1, av.getCharWidth(), av.getCharHeight());
514 if (av.isValidCharWidth())
516 g.setColor(Color.white);
517 charOffset = (av.getCharWidth() - fm.charWidth(s)) / 2;
518 g.drawString(String.valueOf(s), charOffset + x1,
519 (y1 + av.getCharHeight()) - pady);