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.
21 package jalview.appletgui;
23 import jalview.datamodel.AlignmentI;
24 import jalview.datamodel.SearchResults;
25 import jalview.datamodel.SequenceGroup;
26 import jalview.datamodel.SequenceI;
27 import jalview.viewmodel.AlignmentViewport;
29 import java.awt.Color;
30 import java.awt.FontMetrics;
31 import java.awt.Graphics;
32 import java.awt.Image;
33 import java.awt.Panel;
35 public class SeqCanvas extends Panel
51 SearchResults searchResults = null;
53 boolean fastPaint = false;
59 public SeqCanvas(AlignViewport av)
62 fr = new FeatureRenderer(av);
63 sr = new SequenceRenderer(av);
64 PaintRefresher.Register(this, av.getSequenceSetId());
68 int avcharHeight = 0, avcharWidth = 0;
70 private void updateViewport()
72 avcharHeight = av.getCharHeight();
73 avcharWidth = av.getCharWidth();
76 public AlignmentViewport getViewport()
81 public FeatureRenderer getFeatureRenderer()
86 public SequenceRenderer getSequenceRenderer()
91 private void drawNorthScale(Graphics g, int startx, int endx, int ypos)
93 int scalestartx = startx - startx % 10 + 10;
95 g.setColor(Color.black);
98 for (int i = scalestartx; i < endx; i += 10)
101 if (av.hasHiddenColumns())
103 value = av.getColumnSelection().adjustForHiddenColumns(value);
106 g.drawString(String.valueOf(value), (i - startx - 1) * avcharWidth,
107 ypos - (avcharHeight / 2));
109 g.drawLine(((i - startx - 1) * avcharWidth) + (avcharWidth / 2),
110 (ypos + 2) - (avcharHeight / 2),
111 ((i - startx - 1) * avcharWidth) + (avcharWidth / 2),
116 private void drawWestScale(Graphics g, int startx, int endx, int ypos)
118 FontMetrics fm = getFontMetrics(av.getFont());
119 ypos += avcharHeight;
120 if (av.hasHiddenColumns())
122 startx = av.getColumnSelection().adjustForHiddenColumns(startx);
123 endx = av.getColumnSelection().adjustForHiddenColumns(endx);
126 int maxwidth = av.getAlignment().getWidth();
127 if (av.hasHiddenColumns())
129 maxwidth = av.getColumnSelection().findColumnPosition(maxwidth) - 1;
133 for (int i = 0; i < av.getAlignment().getHeight(); i++)
135 SequenceI seq = av.getAlignment().getSequenceAt(i);
141 if (jalview.util.Comparison.isGap(seq.getCharAt(index)))
148 value = av.getAlignment().getSequenceAt(i).findPosition(index);
155 int x = LABEL_WEST - fm.stringWidth(String.valueOf(value))
157 g.drawString(value + "", x, (ypos + (i * avcharHeight))
158 - (avcharHeight / 5));
163 private void drawEastScale(Graphics g, int startx, int endx, int ypos)
165 ypos += avcharHeight;
167 if (av.hasHiddenColumns())
169 endx = av.getColumnSelection().adjustForHiddenColumns(endx);
174 for (int i = 0; i < av.getAlignment().getHeight(); i++)
176 seq = av.getAlignment().getSequenceAt(i);
180 while (index > startx)
182 if (jalview.util.Comparison.isGap(seq.getCharAt(index)))
189 value = seq.findPosition(index);
196 g.drawString(String.valueOf(value), 0, (ypos + (i * avcharHeight))
197 - (avcharHeight / 5));
204 void fastPaint(int horizontal, int vertical)
206 if (fastPaint || gg == null)
213 // Its possible on certain browsers that the call to fastpaint
214 // is faster than it can paint, so this check here catches
216 if (lastsr + horizontal != av.startRes)
218 horizontal = av.startRes - lastsr;
221 lastsr = av.startRes;
224 gg.copyArea(horizontal * avcharWidth, vertical * avcharHeight, imgWidth
225 - horizontal * avcharWidth,
226 imgHeight - vertical * avcharHeight, -horizontal * avcharWidth,
227 -vertical * avcharHeight);
229 int sr = av.startRes, er = av.endRes, ss = av.startSeq, es = av.endSeq, transX = 0, transY = 0;
231 if (horizontal > 0) // scrollbar pulled right, image to the left
233 transX = (er - sr - horizontal) * avcharWidth;
234 sr = er - horizontal;
236 else if (horizontal < 0)
238 er = sr - horizontal;
241 else if (vertical > 0) // scroll down
244 if (ss < av.startSeq) // ie scrolling too fast, more than a page at a time
250 transY = imgHeight - vertical * avcharHeight;
253 else if (vertical < 0)
262 gg.translate(transX, transY);
264 drawPanel(gg, sr, er, ss, es, 0);
265 gg.translate(-transX, -transY);
272 * Definitions of startx and endx (hopefully): SMJS This is what I'm working
273 * towards! startx is the first residue (starting at 0) to display. endx is
274 * the last residue to display (starting at 0). starty is the first sequence
275 * to display (starting at 0). endy is the last sequence to display (starting
276 * at 0). NOTE 1: The av limits are set in setFont in this class and in the
277 * adjustment listener in SeqPanel when the scrollbars move.
279 public void update(Graphics g)
285 public void paint(Graphics g)
289 && (fastPaint || (getSize().width != g.getClipBounds().width) || (getSize().height != g
290 .getClipBounds().height)))
292 g.drawImage(img, 0, 0, this);
299 g.drawImage(img, 0, 0, this);
305 // this draws the whole of the alignment
306 imgWidth = this.getSize().width;
307 imgHeight = this.getSize().height;
309 imgWidth -= imgWidth % avcharWidth;
310 imgHeight -= imgHeight % avcharHeight;
312 if (imgWidth < 1 || imgHeight < 1)
317 if (img == null || imgWidth != img.getWidth(this)
318 || imgHeight != img.getHeight(this))
320 img = createImage(imgWidth, imgHeight);
321 gg = img.getGraphics();
322 gg.setFont(av.getFont());
325 gg.setColor(Color.white);
326 gg.fillRect(0, 0, imgWidth, imgHeight);
328 if (av.getWrapAlignment())
330 drawWrappedPanel(gg, imgWidth, imgHeight, av.startRes);
334 drawPanel(gg, av.startRes, av.endRes, av.startSeq, av.endSeq, 0);
337 g.drawImage(img, 0, 0, this);
341 int LABEL_WEST, LABEL_EAST;
343 public int getWrappedCanvasWidth(int cwidth)
345 cwidth -= cwidth % av.getCharWidth();
347 FontMetrics fm = getFontMetrics(av.getFont());
352 if (av.getScaleRightWrapped())
354 LABEL_EAST = fm.stringWidth(getMask());
357 if (av.getScaleLeftWrapped())
359 LABEL_WEST = fm.stringWidth(getMask());
362 return (cwidth - LABEL_EAST - LABEL_WEST) / av.getCharWidth();
366 * Generates a string of zeroes.
375 AlignmentI alignment = av.getAlignment();
376 for (int i = 0; i < alignment.getHeight(); i++)
378 tmp = alignment.getSequenceAt(i).getEnd();
385 for (int i = maxWidth; i > 0; i /= 10)
392 private void drawWrappedPanel(Graphics g, int canvasWidth,
393 int canvasHeight, int startRes)
395 AlignmentI al = av.getAlignment();
397 FontMetrics fm = getFontMetrics(av.getFont());
399 if (av.getScaleRightWrapped())
401 LABEL_EAST = fm.stringWidth(getMask());
404 if (av.getScaleLeftWrapped())
406 LABEL_WEST = fm.stringWidth(getMask());
409 int hgap = avcharHeight;
410 if (av.getScaleAboveWrapped())
412 hgap += avcharHeight;
415 int cWidth = (canvasWidth - LABEL_EAST - LABEL_WEST) / avcharWidth;
416 int cHeight = av.getAlignment().getHeight() * avcharHeight;
418 av.setWrappedWidth(cWidth);
420 av.endRes = av.startRes + cWidth;
425 int maxwidth = av.getAlignment().getWidth() - 1;
427 if (av.hasHiddenColumns())
429 maxwidth = av.getColumnSelection().findColumnPosition(maxwidth) - 1;
432 while ((ypos <= canvasHeight) && (startRes < maxwidth))
434 endx = startRes + cWidth - 1;
441 g.setColor(Color.black);
443 if (av.getScaleLeftWrapped())
445 drawWestScale(g, startRes, endx, ypos);
448 if (av.getScaleRightWrapped())
450 g.translate(canvasWidth - LABEL_EAST, 0);
451 drawEastScale(g, startRes, endx, ypos);
452 g.translate(-(canvasWidth - LABEL_EAST), 0);
455 g.translate(LABEL_WEST, 0);
457 if (av.getScaleAboveWrapped())
459 drawNorthScale(g, startRes, endx, ypos);
461 if (av.hasHiddenColumns() && av.getShowHiddenMarkers())
463 g.setColor(Color.blue);
465 for (int i = 0; i < av.getColumnSelection().getHiddenColumns()
468 res = av.getColumnSelection().findHiddenRegionPosition(i)
471 if (res < 0 || res > endx - startRes)
476 gg.fillPolygon(new int[]
477 { res * avcharWidth - avcharHeight / 4,
478 res * avcharWidth + avcharHeight / 4, res * avcharWidth },
480 { ypos - (avcharHeight / 2), ypos - (avcharHeight / 2),
481 ypos - (avcharHeight / 2) + 8 }, 3);
486 if (g.getClip() == null)
488 g.setClip(0, 0, cWidth * avcharWidth, canvasHeight);
491 drawPanel(g, startRes, endx, 0, al.getHeight(), ypos);
494 if (av.isShowAnnotation())
496 g.translate(0, cHeight + ypos + 4);
497 if (annotations == null)
499 annotations = new AnnotationPanel(av);
502 annotations.drawComponent(g, startRes, endx + 1);
503 g.translate(0, -cHeight - ypos - 4);
505 g.translate(-LABEL_WEST, 0);
507 ypos += cHeight + getAnnotationHeight() + hgap;
514 AnnotationPanel annotations;
516 int getAnnotationHeight()
518 if (!av.isShowAnnotation())
523 if (annotations == null)
525 annotations = new AnnotationPanel(av);
528 return annotations.adjustPanelHeight();
531 private void drawPanel(Graphics g1, int startRes, int endRes,
533 int endSeq, int offset)
537 if (!av.hasHiddenColumns())
539 draw(g1, startRes, endRes, startSeq, endSeq, offset);
545 int blockStart = startRes;
546 int blockEnd = endRes;
548 if (av.hasHiddenColumns())
550 for (int[] region : av.getColumnSelection().getHiddenColumns())
552 int hideStart = region[0];
553 int hideEnd = region[1];
555 if (hideStart <= blockStart)
557 blockStart += (hideEnd - hideStart) + 1;
561 blockEnd = hideStart - 1;
563 g1.translate(screenY * avcharWidth, 0);
565 draw(g1, blockStart, blockEnd, startSeq, endSeq, offset);
567 if (av.getShowHiddenMarkers())
569 g1.setColor(Color.blue);
570 g1.drawLine((blockEnd - blockStart + 1) * avcharWidth - 1,
571 0 + offset, (blockEnd - blockStart + 1) * avcharWidth
572 - 1, (endSeq - startSeq) * avcharHeight
576 g1.translate(-screenY * avcharWidth, 0);
577 screenY += blockEnd - blockStart + 1;
578 blockStart = hideEnd + 1;
581 if (screenY <= (endRes - startRes))
583 blockEnd = blockStart + (endRes - startRes) - screenY;
584 g1.translate(screenY * avcharWidth, 0);
585 draw(g1, blockStart, blockEnd, startSeq, endSeq, offset);
587 g1.translate(-screenY * avcharWidth, 0);
593 // int startRes, int endRes, int startSeq, int endSeq, int x, int y,
594 // int x1, int x2, int y1, int y2, int startx, int starty,
595 void draw(Graphics g, int startRes, int endRes, int startSeq, int endSeq,
598 g.setFont(av.getFont());
599 sr.prepare(g, av.isRenderGaps());
603 // / First draw the sequences
604 // ///////////////////////////
605 for (int i = startSeq; i < endSeq; i++)
607 nextSeq = av.getAlignment().getSequenceAt(i);
614 sr.drawSequence(nextSeq, av.getAlignment().findAllGroups(nextSeq),
615 startRes, endRes, offset + ((i - startSeq) * avcharHeight));
617 if (av.isShowSequenceFeatures())
619 fr.drawSequence(g, nextSeq, startRes, endRes, offset
620 + ((i - startSeq) * avcharHeight));
623 // / Highlight search Results once all sequences have been drawn
624 // ////////////////////////////////////////////////////////
625 if (searchResults != null)
627 int[] visibleResults = searchResults.getResults(nextSeq, startRes,
629 if (visibleResults != null)
631 for (int r = 0; r < visibleResults.length; r += 2)
633 sr.drawHighlightedText(nextSeq, visibleResults[r],
634 visibleResults[r + 1], (visibleResults[r] - startRes)
635 * avcharWidth, offset
636 + ((i - startSeq) * avcharHeight));
641 if (av.cursorMode && cursorY == i && cursorX >= startRes
642 && cursorX <= endRes)
644 sr.drawCursor(nextSeq, cursorX, (cursorX - startRes) * avcharWidth,
645 offset + ((i - startSeq) * avcharHeight));
649 if (av.getSelectionGroup() != null
650 || av.getAlignment().getGroups().size() > 0)
652 drawGroupsBoundaries(g, startRes, endRes, startSeq, endSeq, offset);
657 private void drawGroupsBoundaries(Graphics g, int startRes, int endRes,
658 int startSeq, int endSeq, int offset)
661 // ///////////////////////////////////
662 // Now outline any areas if necessary
663 // ///////////////////////////////////
664 SequenceGroup group = av.getSelectionGroup();
671 if ((group == null) && (av.getAlignment().getGroups().size() > 0))
673 group = av.getAlignment().getGroups().get(0);
683 boolean inGroup = false;
686 int alHeight = av.getAlignment().getHeight() - 1;
688 for (i = startSeq; i < endSeq; i++)
690 sx = (group.getStartRes() - startRes) * avcharWidth;
691 sy = offset + ((i - startSeq) * avcharHeight);
692 ex = (((group.getEndRes() + 1) - group.getStartRes()) * avcharWidth) - 1;
694 if (sx + ex < 0 || sx > imgWidth)
699 if ((sx <= (endRes - startRes) * avcharWidth)
700 && group.getSequences(null).contains(
701 av.getAlignment().getSequenceAt(i)))
704 && (i >= alHeight || !group.getSequences(null)
706 av.getAlignment().getSequenceAt(i + 1))))
708 bottom = sy + avcharHeight;
713 if (((top == -1) && (i == 0))
714 || !group.getSequences(null).contains(
715 av.getAlignment().getSequenceAt(i - 1)))
723 if (group == av.getSelectionGroup())
725 g.setColor(Color.red);
729 g.setColor(group.getOutlineColour());
737 if (sx >= 0 && sx < imgWidth)
739 g.drawLine(sx, oldY, sx, sy);
742 if (sx + ex < imgWidth)
744 g.drawLine(sx + ex, oldY, sx + ex, sy);
753 if (sx + ex > imgWidth)
758 else if (sx + ex >= (endRes - startRes + 1) * avcharWidth)
760 ex = (endRes - startRes + 1) * avcharWidth;
765 g.drawLine(sx, top, sx + ex, top);
771 g.drawLine(sx, bottom, sx + ex, bottom);
782 sy = offset + ((i - startSeq) * avcharHeight);
783 if (sx >= 0 && sx < imgWidth)
785 g.drawLine(sx, oldY, sx, sy);
788 if (sx + ex < imgWidth)
790 g.drawLine(sx + ex, oldY, sx + ex, sy);
799 if (sx + ex > imgWidth)
803 else if (sx + ex >= (endRes - startRes + 1) * avcharWidth)
805 ex = (endRes - startRes + 1) * avcharWidth;
810 g.drawLine(sx, top, sx + ex, top);
816 g.drawLine(sx, bottom - 1, sx + ex, bottom - 1);
825 if (groupIndex >= av.getAlignment().getGroups().size())
830 group = av.getAlignment().getGroups()
832 } while (groupIndex < av.getAlignment().getGroups().size());
837 public void highlightSearchResults(SearchResults results)
839 searchResults = results;