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.datamodel.AlignmentI;
24 import jalview.datamodel.HiddenColumns;
25 import jalview.datamodel.SearchResultsI;
26 import jalview.datamodel.SequenceGroup;
27 import jalview.datamodel.SequenceI;
28 import jalview.renderer.ScaleRenderer;
29 import jalview.renderer.ScaleRenderer.ScaleMark;
30 import jalview.viewmodel.ViewportListenerI;
31 import jalview.viewmodel.ViewportRanges;
33 import java.awt.AlphaComposite;
34 import java.awt.BasicStroke;
35 import java.awt.BorderLayout;
36 import java.awt.Color;
37 import java.awt.FontMetrics;
38 import java.awt.Graphics;
39 import java.awt.Graphics2D;
40 import java.awt.RenderingHints;
41 import java.awt.Shape;
42 import java.awt.image.BufferedImage;
43 import java.beans.PropertyChangeEvent;
44 import java.util.List;
46 import javax.swing.JComponent;
54 public class SeqCanvas extends JComponent implements ViewportListenerI
56 private static String ZEROS = "0000000000";
58 final FeatureRenderer fr;
60 final SequenceRenderer seqRdr;
68 boolean fastPaint = false;
82 boolean fastpainting = false;
84 AnnotationPanel annotations;
87 * Creates a new SeqCanvas object.
92 public SeqCanvas(AlignmentPanel ap)
96 fr = new FeatureRenderer(ap);
97 seqRdr = new SequenceRenderer(av);
98 setLayout(new BorderLayout());
99 PaintRefresher.Register(this, av.getSequenceSetId());
100 setBackground(Color.white);
102 av.getRanges().addPropertyChangeListener(this);
105 public SequenceRenderer getSequenceRenderer()
110 public FeatureRenderer getFeatureRenderer()
115 private void updateViewport()
117 charHeight = av.getCharHeight();
118 charWidth = av.getCharWidth();
133 private void drawNorthScale(Graphics g, int startx, int endx, int ypos)
136 for (ScaleMark mark : new ScaleRenderer().calculateMarks(av, startx,
139 int mpos = mark.column; // (i - startx - 1)
144 String mstring = mark.text;
150 g.drawString(mstring, mpos * charWidth, ypos - (charHeight / 2));
152 g.drawLine((mpos * charWidth) + (charWidth / 2),
153 (ypos + 2) - (charHeight / 2),
154 (mpos * charWidth) + (charWidth / 2), ypos - 2);
171 void drawWestScale(Graphics g, int startx, int endx, int ypos)
173 FontMetrics fm = getFontMetrics(av.getFont());
176 if (av.hasHiddenColumns())
178 startx = av.getAlignment().getHiddenColumns()
179 .adjustForHiddenColumns(startx);
180 endx = av.getAlignment().getHiddenColumns()
181 .adjustForHiddenColumns(endx);
184 int maxwidth = av.getAlignment().getWidth();
185 if (av.hasHiddenColumns())
187 maxwidth = av.getAlignment().getHiddenColumns()
188 .findColumnPosition(maxwidth) - 1;
192 for (int i = 0; i < av.getAlignment().getHeight(); i++)
194 SequenceI seq = av.getAlignment().getSequenceAt(i);
200 if (jalview.util.Comparison.isGap(seq.getCharAt(index)))
207 value = av.getAlignment().getSequenceAt(i).findPosition(index);
214 int x = labelWidthWest - fm.stringWidth(String.valueOf(value))
216 g.drawString(value + "", x,
217 (ypos + (i * charHeight)) - (charHeight / 5));
234 void drawEastScale(Graphics g, int startx, int endx, int ypos)
238 if (av.hasHiddenColumns())
240 endx = av.getAlignment().getHiddenColumns()
241 .adjustForHiddenColumns(endx);
246 for (int i = 0; i < av.getAlignment().getHeight(); i++)
248 seq = av.getAlignment().getSequenceAt(i);
252 while (index > startx)
254 if (jalview.util.Comparison.isGap(seq.getCharAt(index)))
261 value = seq.findPosition(index);
268 g.drawString(String.valueOf(value), 0,
269 (ypos + (i * charHeight)) - (charHeight / 5));
276 * need to make this thread safe move alignment rendering in response to
282 * shift up or down in repaint
284 public void fastPaint(int horizontal, int vertical)
286 if (fastpainting || gg == null)
294 ViewportRanges ranges = av.getRanges();
295 int startRes = ranges.getStartRes();
296 int endRes = ranges.getEndRes();
297 int startSeq = ranges.getStartSeq();
298 int endSeq = ranges.getEndSeq();
302 gg.copyArea(horizontal * charWidth, vertical * charHeight,
303 img.getWidth(), img.getHeight(), -horizontal * charWidth,
304 -vertical * charHeight);
306 if (horizontal > 0) // scrollbar pulled right, image to the left
308 transX = (endRes - startRes - horizontal) * charWidth;
309 startRes = endRes - horizontal;
311 else if (horizontal < 0)
313 endRes = startRes - horizontal;
315 else if (vertical > 0) // scroll down
317 startSeq = endSeq - vertical;
319 if (startSeq < ranges.getStartSeq())
320 { // ie scrolling too fast, more than a page at a time
321 startSeq = ranges.getStartSeq();
325 transY = img.getHeight() - ((vertical + 1) * charHeight);
328 else if (vertical < 0)
330 endSeq = startSeq - vertical;
332 if (endSeq > ranges.getEndSeq())
334 endSeq = ranges.getEndSeq();
338 gg.translate(transX, transY);
339 drawPanel(gg, startRes, endRes, startSeq, endSeq, 0);
340 gg.translate(-transX, -transY);
343 fastpainting = false;
347 public void paintComponent(Graphics g)
349 super.paintComponent(g);
353 ViewportRanges ranges = av.getRanges();
355 int width = getWidth();
356 int height = getHeight();
358 width -= (width % charWidth);
359 height -= (height % charHeight);
361 // selectImage is the selection group outline image
362 BufferedImage selectImage = drawSelectionGroup(
363 ranges.getStartRes(), ranges.getEndRes(),
364 ranges.getStartSeq(), ranges.getEndSeq());
366 if ((img != null) && (fastPaint
367 || (getVisibleRect().width != g.getClipBounds().width)
368 || (getVisibleRect().height != g.getClipBounds().height)))
370 BufferedImage lcimg = buildLocalImage(selectImage);
371 g.drawImage(lcimg, 0, 0, this);
374 else if ((width > 0) && (height > 0))
376 // img is a cached version of the last view we drew, if any
377 // if we have no img or the size has changed, make a new one
378 if (img == null || width != img.getWidth()
379 || height != img.getHeight())
386 gg = (Graphics2D) img.getGraphics();
387 gg.setFont(av.getFont());
392 gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
393 RenderingHints.VALUE_ANTIALIAS_ON);
396 gg.setColor(Color.white);
397 gg.fillRect(0, 0, img.getWidth(), img.getHeight());
399 if (av.getWrapAlignment())
401 drawWrappedPanel(gg, getWidth(), getHeight(), ranges.getStartRes());
405 drawPanel(gg, ranges.getStartRes(), ranges.getEndRes(),
406 ranges.getStartSeq(), ranges.getEndSeq(), 0);
409 // lcimg is a local *copy* of img which we'll draw selectImage on top of
410 BufferedImage lcimg = buildLocalImage(selectImage);
411 g.drawImage(lcimg, 0, 0, this);
416 * Draw an alignment panel for printing
419 * Graphics object to draw with
421 * start residue of print area
423 * end residue of print area
425 * start sequence of print area
427 * end sequence of print area
429 public void drawPanelForPrinting(Graphics g1, int startRes, int endRes,
430 int startSeq, int endSeq)
432 BufferedImage selectImage = drawSelectionGroup(startRes, endRes,
434 drawPanel(g1, startRes, endRes, startSeq, endSeq, 0);
435 ((Graphics2D) g1).setComposite(
436 AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
437 g1.drawImage(selectImage, 0, 0, this);
441 * Draw a wrapped alignment panel for printing
444 * Graphics object to draw with
446 * width of drawing area
447 * @param canvasHeight
448 * height of drawing area
450 * start residue of print area
452 public void drawWrappedPanelForPrinting(Graphics g, int canvasWidth,
453 int canvasHeight, int startRes)
455 SequenceGroup group = av.getSelectionGroup();
457 drawWrappedPanel(g, canvasWidth, canvasHeight, startRes);
461 BufferedImage selectImage = null;
464 selectImage = new BufferedImage(canvasWidth, canvasHeight,
465 BufferedImage.TYPE_INT_ARGB); // ARGB so alpha compositing works
466 } catch (OutOfMemoryError er)
469 System.err.println("Print image OutOfMemory Error.\n" + er);
470 new OOMWarning("Creating wrapped alignment image for printing", er);
472 if (selectImage != null)
474 Graphics2D g2 = selectImage.createGraphics();
475 setupSelectionGroup(g2, selectImage);
476 drawWrappedSelection(g2, group, canvasWidth, canvasHeight,
480 AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
481 g.drawImage(selectImage, 0, 0, this);
488 * Make a local image by combining the cached image img
491 private BufferedImage buildLocalImage(BufferedImage selectImage)
493 // clone the cached image
494 BufferedImage lcimg = new BufferedImage(img.getWidth(), img.getHeight(),
496 Graphics2D g2d = lcimg.createGraphics();
497 g2d.drawImage(img, 0, 0, null);
499 // overlay selection group on lcimg
500 if (selectImage != null)
503 AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
504 g2d.drawImage(selectImage, 0, 0, this);
512 * Set up a buffered image of the correct height and size for the sequence canvas
514 private BufferedImage setupImage()
516 BufferedImage lcimg = null;
518 int width = getWidth();
519 int height = getHeight();
521 width -= (width % charWidth);
522 height -= (height % charHeight);
524 if ((width < 1) || (height < 1))
531 lcimg = new BufferedImage(width, height,
532 BufferedImage.TYPE_INT_ARGB); // ARGB so alpha compositing works
533 } catch (OutOfMemoryError er)
537 "Group image OutOfMemory Redraw Error.\n" + er);
538 new OOMWarning("Creating alignment image for display", er);
547 * Returns the visible width of the canvas in residues, after allowing for
548 * East or West scales (if shown)
551 * the width in pixels (possibly including scales)
555 public int getWrappedCanvasWidth(int canvasWidth)
557 FontMetrics fm = getFontMetrics(av.getFont());
562 if (av.getScaleRightWrapped())
564 labelWidthEast = getLabelWidth(fm);
567 if (av.getScaleLeftWrapped())
569 labelWidthWest = labelWidthEast > 0 ? labelWidthEast
573 return (canvasWidth - labelWidthEast - labelWidthWest) / charWidth;
577 * Returns a pixel width suitable for showing the largest sequence coordinate
578 * (end position) in the alignment. Returns 2 plus the number of decimal
579 * digits to be shown (3 for 1-10, 4 for 11-99 etc).
584 protected int getLabelWidth(FontMetrics fm)
587 * find the biggest sequence end position we need to show
588 * (note this is not necessarily the sequence length)
591 AlignmentI alignment = av.getAlignment();
592 for (int i = 0; i < alignment.getHeight(); i++)
594 maxWidth = Math.max(maxWidth, alignment.getSequenceAt(i).getEnd());
598 for (int i = maxWidth; i > 0; i /= 10)
603 return fm.stringWidth(ZEROS.substring(0, length));
613 * @param canvasHeight
618 private void drawWrappedPanel(Graphics g, int canvasWidth,
619 int canvasHeight, int startRes)
622 AlignmentI al = av.getAlignment();
625 if (av.getScaleRightWrapped() || av.getScaleLeftWrapped())
627 FontMetrics fm = getFontMetrics(av.getFont());
628 labelWidth = getLabelWidth(fm);
631 labelWidthEast = av.getScaleRightWrapped() ? labelWidth : 0;
632 labelWidthWest = av.getScaleLeftWrapped() ? labelWidth : 0;
634 int hgap = charHeight;
635 if (av.getScaleAboveWrapped())
640 int cWidth = (canvasWidth - labelWidthEast - labelWidthWest) / charWidth;
641 int cHeight = av.getAlignment().getHeight() * charHeight;
643 av.setWrappedWidth(cWidth);
645 av.getRanges().setViewportStartAndWidth(startRes, cWidth);
649 int maxwidth = av.getAlignment().getWidth();
651 if (av.hasHiddenColumns())
653 maxwidth = av.getAlignment().getHiddenColumns()
654 .findColumnPosition(maxwidth);
657 int annotationHeight = getAnnotationHeight();
659 while ((ypos <= canvasHeight) && (startRes < maxwidth))
661 endx = startRes + cWidth - 1;
668 g.setFont(av.getFont());
669 g.setColor(Color.black);
671 if (av.getScaleLeftWrapped())
673 drawWestScale(g, startRes, endx, ypos);
676 if (av.getScaleRightWrapped())
678 g.translate(canvasWidth - labelWidthEast, 0);
679 drawEastScale(g, startRes, endx, ypos);
680 g.translate(-(canvasWidth - labelWidthEast), 0);
683 g.translate(labelWidthWest, 0);
685 if (av.getScaleAboveWrapped())
687 drawNorthScale(g, startRes, endx, ypos);
690 if (av.hasHiddenColumns() && av.getShowHiddenMarkers())
692 g.setColor(Color.blue);
694 HiddenColumns hidden = av.getAlignment().getHiddenColumns();
695 List<Integer> positions = hidden.findHiddenRegionPositions();
696 for (int pos : positions)
698 res = pos - startRes;
700 if (res < 0 || res > endx - startRes)
707 { res * charWidth - charHeight / 4,
708 res * charWidth + charHeight / 4, res * charWidth },
710 { ypos - (charHeight / 2), ypos - (charHeight / 2),
711 ypos - (charHeight / 2) + 8 },
717 // When printing we have an extra clipped region,
718 // the Printable page which we need to account for here
719 Shape clip = g.getClip();
723 g.setClip(0, 0, cWidth * charWidth, canvasHeight);
727 g.setClip(0, (int) clip.getBounds().getY(), cWidth * charWidth,
728 (int) clip.getBounds().getHeight());
731 drawPanel(g, startRes, endx, 0, al.getHeight() - 1, ypos);
733 if (av.isShowAnnotation())
735 g.translate(0, cHeight + ypos + 3);
736 if (annotations == null)
738 annotations = new AnnotationPanel(av);
741 annotations.renderer.drawComponent(annotations, av, g, -1, startRes,
743 g.translate(0, -cHeight - ypos - 3);
746 g.translate(-labelWidthWest, 0);
748 ypos += cHeight + annotationHeight + hgap;
755 * Draw a selection group over a wrapped alignment
757 private void drawWrappedSelection(Graphics2D g, SequenceGroup group,
759 int canvasHeight, int startRes)
761 // height gap above each panel
762 int hgap = charHeight;
763 if (av.getScaleAboveWrapped())
768 int cWidth = (canvasWidth - labelWidthEast - labelWidthWest)
770 int cHeight = av.getAlignment().getHeight() * charHeight;
772 int startx = startRes;
774 int ypos = hgap; // vertical offset
775 int maxwidth = av.getAlignment().getWidth();
777 if (av.hasHiddenColumns())
779 maxwidth = av.getAlignment().getHiddenColumns()
780 .findColumnPosition(maxwidth);
783 // chop the wrapped alignment extent up into panel-sized blocks and treat
784 // each block as if it were a block from an unwrapped alignment
785 while ((ypos <= canvasHeight) && (startx < maxwidth))
787 // set end value to be start + width, or maxwidth, whichever is smaller
788 endx = startx + cWidth - 1;
795 g.translate(labelWidthWest, 0);
797 drawUnwrappedSelection(g, group, startx, endx, 0,
798 av.getAlignment().getHeight() - 1,
801 g.translate(-labelWidthWest, 0);
803 // update vertical offset
804 ypos += cHeight + getAnnotationHeight() + hgap;
806 // update horizontal offset
811 int getAnnotationHeight()
813 if (!av.isShowAnnotation())
818 if (annotations == null)
820 annotations = new AnnotationPanel(av);
823 return annotations.adjustPanelHeight();
828 * Draws the visible region of the alignment on the graphics context. If there
829 * are hidden column markers in the visible region, then each sub-region
830 * between the markers is drawn separately, followed by the hidden column
834 * Graphics object to draw with
836 * offset of the first column in the visible region (0..)
838 * offset of the last column in the visible region (0..)
840 * offset of the first sequence in the visible region (0..)
842 * offset of the last sequence in the visible region (0..)
844 * vertical offset at which to draw (for wrapped alignments)
846 private void drawPanel(Graphics g1, int startRes, int endRes,
847 int startSeq, int endSeq, int yOffset)
851 if (!av.hasHiddenColumns())
853 draw(g1, startRes, endRes, startSeq, endSeq, yOffset);
858 final int screenYMax = endRes - startRes;
859 int blockStart = startRes;
860 int blockEnd = endRes;
862 for (int[] region : av.getAlignment().getHiddenColumns()
863 .getHiddenColumnsCopy())
865 int hideStart = region[0];
866 int hideEnd = region[1];
868 if (hideStart <= blockStart)
870 blockStart += (hideEnd - hideStart) + 1;
875 * draw up to just before the next hidden region, or the end of
876 * the visible region, whichever comes first
878 blockEnd = Math.min(hideStart - 1, blockStart + screenYMax
881 g1.translate(screenY * charWidth, 0);
883 draw(g1, blockStart, blockEnd, startSeq, endSeq, yOffset);
886 * draw the downline of the hidden column marker (ScalePanel draws the
887 * triangle on top) if we reached it
889 if (av.getShowHiddenMarkers() && blockEnd == hideStart - 1)
891 g1.setColor(Color.blue);
893 g1.drawLine((blockEnd - blockStart + 1) * charWidth - 1,
894 0 + yOffset, (blockEnd - blockStart + 1) * charWidth - 1,
895 (endSeq - startSeq + 1) * charHeight + yOffset);
898 g1.translate(-screenY * charWidth, 0);
899 screenY += blockEnd - blockStart + 1;
900 blockStart = hideEnd + 1;
902 if (screenY > screenYMax)
904 // already rendered last block
909 if (screenY <= screenYMax)
911 // remaining visible region to render
912 blockEnd = blockStart + screenYMax - screenY;
913 g1.translate(screenY * charWidth, 0);
914 draw(g1, blockStart, blockEnd, startSeq, endSeq, yOffset);
916 g1.translate(-screenY * charWidth, 0);
924 * Draws a region of the visible alignment
928 * offset of the first column in the visible region (0..)
930 * offset of the last column in the visible region (0..)
932 * offset of the first sequence in the visible region (0..)
934 * offset of the last sequence in the visible region (0..)
936 * vertical offset at which to draw (for wrapped alignments)
938 private void draw(Graphics g, int startRes, int endRes, int startSeq,
939 int endSeq, int offset)
941 g.setFont(av.getFont());
942 seqRdr.prepare(g, av.isRenderGaps());
946 // / First draw the sequences
947 // ///////////////////////////
948 for (int i = startSeq; i <= endSeq; i++)
950 nextSeq = av.getAlignment().getSequenceAt(i);
953 // occasionally, a race condition occurs such that the alignment row is
957 seqRdr.drawSequence(nextSeq, av.getAlignment().findAllGroups(nextSeq),
958 startRes, endRes, offset + ((i - startSeq) * charHeight));
960 if (av.isShowSequenceFeatures())
962 fr.drawSequence(g, nextSeq, startRes, endRes,
963 offset + ((i - startSeq) * charHeight), false);
967 * highlight search Results once sequence has been drawn
969 if (av.hasSearchResults())
971 SearchResultsI searchResults = av.getSearchResults();
972 int[] visibleResults = searchResults.getResults(nextSeq,
974 if (visibleResults != null)
976 for (int r = 0; r < visibleResults.length; r += 2)
978 seqRdr.drawHighlightedText(nextSeq, visibleResults[r],
979 visibleResults[r + 1], (visibleResults[r] - startRes)
981 + ((i - startSeq) * charHeight));
986 if (av.cursorMode && cursorY == i && cursorX >= startRes
987 && cursorX <= endRes)
989 seqRdr.drawCursor(nextSeq, cursorX, (cursorX - startRes) * charWidth,
990 offset + ((i - startSeq) * charHeight));
994 if (av.getSelectionGroup() != null
995 || av.getAlignment().getGroups().size() > 0)
997 drawGroupsBoundaries(g, startRes, endRes, startSeq, endSeq, offset);
1002 void drawGroupsBoundaries(Graphics g1, int startRes, int endRes,
1003 int startSeq, int endSeq, int offset)
1005 Graphics2D g = (Graphics2D) g1;
1007 // ///////////////////////////////////
1008 // Now outline any areas if necessary
1009 // ///////////////////////////////////
1011 SequenceGroup group = null;
1012 int groupIndex = -1;
1014 if (av.getAlignment().getGroups().size() > 0)
1016 group = av.getAlignment().getGroups().get(0);
1022 g.setStroke(new BasicStroke());
1023 g.setColor(group.getOutlineColour());
1027 drawPartialGroupOutline(g, group, startRes, endRes, startSeq,
1032 g.setStroke(new BasicStroke());
1034 if (groupIndex >= av.getAlignment().getGroups().size())
1039 group = av.getAlignment().getGroups().get(groupIndex);
1041 } while (groupIndex < av.getAlignment().getGroups().size());
1049 * Draw the selection group as a separate image and overlay
1051 private BufferedImage drawSelectionGroup(int startRes, int endRes,
1052 int startSeq, int endSeq)
1054 // get a new image of the correct size
1055 BufferedImage selectionImage = setupImage();
1057 if (selectionImage == null)
1062 SequenceGroup group = av.getSelectionGroup();
1069 // set up drawing colour
1070 Graphics2D g = (Graphics2D) selectionImage.getGraphics();
1072 setupSelectionGroup(g, selectionImage);
1074 if (!av.getWrapAlignment())
1076 drawUnwrappedSelection(g, group, startRes, endRes, startSeq, endSeq,
1081 drawWrappedSelection(g, group, getWidth(), getHeight(),
1082 av.getRanges().getStartRes());
1086 return selectionImage;
1090 * Set up graphics for selection group
1092 private void setupSelectionGroup(Graphics2D g,
1093 BufferedImage selectionImage)
1095 // set background to transparent
1096 g.setComposite(AlphaComposite.getInstance(AlphaComposite.CLEAR, 0.0f));
1097 g.fillRect(0, 0, selectionImage.getWidth(), selectionImage.getHeight());
1099 // set up foreground to draw red dashed line
1100 g.setComposite(AlphaComposite.Src);
1101 g.setStroke(new BasicStroke(1, BasicStroke.CAP_BUTT,
1102 BasicStroke.JOIN_ROUND, 3f, new float[]
1104 g.setColor(Color.RED);
1108 * Draw a selection group over an unwrapped alignment
1109 * @param g graphics object to draw with
1110 * @param group selection group
1111 * @param startRes start residue of area to draw
1112 * @param endRes end residue of area to draw
1113 * @param startSeq start sequence of area to draw
1114 * @param endSeq end sequence of area to draw
1115 * @param offset vertical offset (used when called from wrapped alignment code)
1117 private void drawUnwrappedSelection(Graphics2D g, SequenceGroup group,
1118 int startRes, int endRes, int startSeq, int endSeq, int offset)
1120 if (!av.hasHiddenColumns())
1122 drawPartialGroupOutline(g, group, startRes, endRes, startSeq, endSeq,
1127 // package into blocks of visible columns
1129 int blockStart = startRes;
1130 int blockEnd = endRes;
1132 for (int[] region : av.getAlignment().getHiddenColumns()
1133 .getHiddenColumnsCopy())
1135 int hideStart = region[0];
1136 int hideEnd = region[1];
1138 if (hideStart <= blockStart)
1140 blockStart += (hideEnd - hideStart) + 1;
1144 blockEnd = hideStart - 1;
1146 g.translate(screenY * charWidth, 0);
1147 drawPartialGroupOutline(g, group,
1148 blockStart, blockEnd, startSeq, endSeq, offset);
1150 g.translate(-screenY * charWidth, 0);
1151 screenY += blockEnd - blockStart + 1;
1152 blockStart = hideEnd + 1;
1154 if (screenY > (endRes - startRes))
1156 // already rendered last block
1161 if (screenY <= (endRes - startRes))
1163 // remaining visible region to render
1164 blockEnd = blockStart + (endRes - startRes) - screenY;
1165 g.translate(screenY * charWidth, 0);
1166 drawPartialGroupOutline(g, group,
1167 blockStart, blockEnd, startSeq, endSeq, offset);
1169 g.translate(-screenY * charWidth, 0);
1175 * Draw the selection group as a separate image and overlay
1177 private void drawPartialGroupOutline(Graphics2D g, SequenceGroup group,
1178 int startRes, int endRes, int startSeq, int endSeq,
1181 int visWidth = (endRes - startRes + 1) * charWidth;
1185 boolean inGroup = false;
1193 for (i = startSeq; i <= endSeq; i++)
1195 // position of start residue of group relative to startRes, in pixels
1196 sx = (group.getStartRes() - startRes) * charWidth;
1198 // width of group in pixels
1199 xwidth = (((group.getEndRes() + 1) - group.getStartRes()) * charWidth)
1202 sy = verticalOffset + (i - startSeq) * charHeight;
1204 if (sx + xwidth < 0 || sx > visWidth)
1209 if ((sx <= (endRes - startRes) * charWidth)
1210 && group.getSequences(null)
1211 .contains(av.getAlignment().getSequenceAt(i)))
1213 if ((bottom == -1) && !group.getSequences(null)
1214 .contains(av.getAlignment().getSequenceAt(i + 1)))
1216 bottom = sy + charHeight;
1221 if (((top == -1) && (i == 0)) || !group.getSequences(null)
1222 .contains(av.getAlignment().getSequenceAt(i - 1)))
1235 // if start position is visible, draw vertical line to left of
1237 if (sx >= 0 && sx < visWidth)
1239 g.drawLine(sx, oldY, sx, sy);
1242 // if end position is visible, draw vertical line to right of
1244 if (sx + xwidth < visWidth)
1246 g.drawLine(sx + xwidth, oldY, sx + xwidth, sy);
1255 // don't let width extend beyond current block, or group extent
1257 if (sx + xwidth >= (endRes - startRes + 1) * charWidth)
1259 xwidth = (endRes - startRes + 1) * charWidth - sx;
1262 // draw horizontal line at top of group
1265 g.drawLine(sx, top, sx + xwidth, top);
1269 // draw horizontal line at bottom of group
1272 g.drawLine(sx, bottom, sx + xwidth, bottom);
1283 sy = verticalOffset + ((i - startSeq) * charHeight);
1284 if (sx >= 0 && sx < visWidth)
1286 g.drawLine(sx, oldY, sx, sy);
1289 if (sx + xwidth < visWidth)
1291 g.drawLine(sx + xwidth, oldY, sx + xwidth, sy);
1300 if (sx + xwidth > visWidth)
1304 else if (sx + xwidth >= (endRes - startRes + 1) * charWidth)
1306 xwidth = (endRes - startRes + 1) * charWidth;
1311 g.drawLine(sx, top, sx + xwidth, top);
1317 g.drawLine(sx, bottom - 1, sx + xwidth, bottom - 1);
1326 * Highlights search results in the visible region by rendering as white text
1327 * on a black background. Any previous highlighting is removed. Answers true
1328 * if any highlight was left on the visible alignment (so status bar should be
1329 * set to match), else false.
1331 * Currently fastPaint is not implemented for wrapped alignments. If a wrapped
1332 * alignment had to be scrolled to show the highlighted region, then it should
1333 * be fully redrawn, otherwise a fast paint can be performed. This argument
1334 * could be removed if fast paint of scrolled wrapped alignment is coded in
1335 * future (JAL-2609).
1338 * @param noFastPaint
1341 public boolean highlightSearchResults(SearchResultsI results,
1342 boolean noFastPaint)
1348 boolean wrapped = av.getWrapAlignment();
1352 fastPaint = !noFastPaint;
1353 fastpainting = fastPaint;
1358 * to avoid redrawing the whole visible region, we instead
1359 * redraw just the minimal regions to remove previous highlights
1362 SearchResultsI previous = av.getSearchResults();
1363 av.setSearchResults(results);
1364 boolean redrawn = false;
1365 boolean drawn = false;
1368 redrawn = drawMappedPositionsWrapped(previous);
1369 drawn = drawMappedPositionsWrapped(results);
1374 redrawn = drawMappedPositions(previous);
1375 drawn = drawMappedPositions(results);
1380 * if highlights were either removed or added, repaint
1388 * return true only if highlights were added
1394 fastpainting = false;
1399 * Redraws the minimal rectangle in the visible region (if any) that includes
1400 * mapped positions of the given search results. Whether or not positions are
1401 * highlighted depends on the SearchResults set on the Viewport. This allows
1402 * this method to be called to either clear or set highlighting. Answers true
1403 * if any positions were drawn (in which case a repaint is still required),
1409 protected boolean drawMappedPositions(SearchResultsI results)
1411 if (results == null)
1417 * calculate the minimal rectangle to redraw that
1418 * includes both new and existing search results
1420 int firstSeq = Integer.MAX_VALUE;
1422 int firstCol = Integer.MAX_VALUE;
1424 boolean matchFound = false;
1426 ViewportRanges ranges = av.getRanges();
1427 int firstVisibleColumn = ranges.getStartRes();
1428 int lastVisibleColumn = ranges.getEndRes();
1429 AlignmentI alignment = av.getAlignment();
1430 if (av.hasHiddenColumns())
1432 firstVisibleColumn = alignment.getHiddenColumns()
1433 .adjustForHiddenColumns(firstVisibleColumn);
1434 lastVisibleColumn = alignment.getHiddenColumns()
1435 .adjustForHiddenColumns(lastVisibleColumn);
1438 for (int seqNo = ranges.getStartSeq(); seqNo <= ranges
1439 .getEndSeq(); seqNo++)
1441 SequenceI seq = alignment.getSequenceAt(seqNo);
1443 int[] visibleResults = results.getResults(seq, firstVisibleColumn,
1445 if (visibleResults != null)
1447 for (int i = 0; i < visibleResults.length - 1; i += 2)
1449 int firstMatchedColumn = visibleResults[i];
1450 int lastMatchedColumn = visibleResults[i + 1];
1451 if (firstMatchedColumn <= lastVisibleColumn
1452 && lastMatchedColumn >= firstVisibleColumn)
1455 * found a search results match in the visible region -
1456 * remember the first and last sequence matched, and the first
1457 * and last visible columns in the matched positions
1460 firstSeq = Math.min(firstSeq, seqNo);
1461 lastSeq = Math.max(lastSeq, seqNo);
1462 firstMatchedColumn = Math.max(firstMatchedColumn,
1463 firstVisibleColumn);
1464 lastMatchedColumn = Math.min(lastMatchedColumn,
1466 firstCol = Math.min(firstCol, firstMatchedColumn);
1467 lastCol = Math.max(lastCol, lastMatchedColumn);
1475 if (av.hasHiddenColumns())
1477 firstCol = alignment.getHiddenColumns()
1478 .findColumnPosition(firstCol);
1479 lastCol = alignment.getHiddenColumns().findColumnPosition(lastCol);
1481 int transX = (firstCol - ranges.getStartRes()) * av.getCharWidth();
1482 int transY = (firstSeq - ranges.getStartSeq()) * av.getCharHeight();
1483 gg.translate(transX, transY);
1484 drawPanel(gg, firstCol, lastCol, firstSeq, lastSeq, 0);
1485 gg.translate(-transX, -transY);
1492 public void propertyChange(PropertyChangeEvent evt)
1494 String eventName = evt.getPropertyName();
1496 if (eventName.equals(SequenceGroup.SEQ_GROUP_CHANGED))
1501 else if (av.getWrapAlignment())
1503 if (eventName.equals(ViewportRanges.STARTRES))
1511 if (eventName.equals(ViewportRanges.STARTRES))
1513 // Make sure we're not trying to draw a panel
1514 // larger than the visible window
1515 ViewportRanges vpRanges = av.getRanges();
1516 scrollX = (int) evt.getNewValue() - (int) evt.getOldValue();
1517 int range = vpRanges.getEndRes() - vpRanges.getStartRes();
1518 if (scrollX > range)
1522 else if (scrollX < -range)
1528 // Both scrolling and resizing change viewport ranges: scrolling changes
1529 // both start and end points, but resize only changes end values.
1530 // Here we only want to fastpaint on a scroll, with resize using a normal
1531 // paint, so scroll events are identified as changes to the horizontal or
1532 // vertical start value.
1533 if (eventName.equals(ViewportRanges.STARTRES))
1535 // scroll - startres and endres both change
1536 fastPaint(scrollX, 0);
1538 else if (eventName.equals(ViewportRanges.STARTSEQ))
1541 fastPaint(0, (int) evt.getNewValue() - (int) evt.getOldValue());
1547 * Redraws any positions in the search results in the visible region of a
1548 * wrapped alignment. Any highlights are drawn depending on the search results
1549 * set on the Viewport, not the <code>results</code> argument. This allows
1550 * this method to be called either to clear highlights (passing the previous
1551 * search results), or to draw new highlights.
1556 protected boolean drawMappedPositionsWrapped(SearchResultsI results)
1558 if (results == null)
1563 boolean matchFound = false;
1565 int wrappedWidth = av.getWrappedWidth();
1566 int wrappedHeight = getRepeatHeightWrapped();
1568 ViewportRanges ranges = av.getRanges();
1569 int canvasHeight = getHeight();
1570 int repeats = canvasHeight / wrappedHeight;
1571 if (canvasHeight / wrappedHeight > 0)
1576 int firstVisibleColumn = ranges.getStartRes();
1577 int lastVisibleColumn = ranges.getStartRes() + repeats
1578 * ranges.getViewportWidth() - 1;
1580 AlignmentI alignment = av.getAlignment();
1581 if (av.hasHiddenColumns())
1583 firstVisibleColumn = alignment.getHiddenColumns()
1584 .adjustForHiddenColumns(firstVisibleColumn);
1585 lastVisibleColumn = alignment.getHiddenColumns()
1586 .adjustForHiddenColumns(lastVisibleColumn);
1589 int gapHeight = charHeight * (av.getScaleAboveWrapped() ? 2 : 1);
1591 for (int seqNo = ranges.getStartSeq(); seqNo <= ranges
1592 .getEndSeq(); seqNo++)
1594 SequenceI seq = alignment.getSequenceAt(seqNo);
1596 int[] visibleResults = results.getResults(seq, firstVisibleColumn,
1598 if (visibleResults != null)
1600 for (int i = 0; i < visibleResults.length - 1; i += 2)
1602 int firstMatchedColumn = visibleResults[i];
1603 int lastMatchedColumn = visibleResults[i + 1];
1604 if (firstMatchedColumn <= lastVisibleColumn
1605 && lastMatchedColumn >= firstVisibleColumn)
1608 * found a search results match in the visible region
1610 firstMatchedColumn = Math.max(firstMatchedColumn,
1611 firstVisibleColumn);
1612 lastMatchedColumn = Math.min(lastMatchedColumn,
1616 * draw each mapped position separately (as contiguous positions may
1617 * wrap across lines)
1619 for (int mappedPos = firstMatchedColumn; mappedPos <= lastMatchedColumn; mappedPos++)
1621 int displayColumn = mappedPos;
1622 if (av.hasHiddenColumns())
1624 displayColumn = alignment.getHiddenColumns()
1625 .findColumnPosition(displayColumn);
1629 * transX: offset from left edge of canvas to residue position
1631 int transX = labelWidthWest
1632 + ((displayColumn - ranges.getStartRes()) % wrappedWidth)
1633 * av.getCharWidth();
1636 * transY: offset from top edge of canvas to residue position
1638 int transY = gapHeight;
1639 transY += (displayColumn - ranges.getStartRes())
1640 / wrappedWidth * wrappedHeight;
1641 transY += (seqNo - ranges.getStartSeq()) * av.getCharHeight();
1644 * yOffset is from graphics origin to start of visible region
1646 int yOffset = 0;// (displayColumn / wrappedWidth) * wrappedHeight;
1647 if (transY < getHeight())
1650 gg.translate(transX, transY);
1651 drawPanel(gg, displayColumn, displayColumn, seqNo, seqNo,
1653 gg.translate(-transX, -transY);
1665 * Answers the height in pixels of a repeating section of the wrapped
1666 * alignment, including space above, scale above if shown, sequences, and
1667 * annotation panel if shown
1671 protected int getRepeatHeightWrapped()
1673 // gap (and maybe scale) above
1674 int repeatHeight = charHeight * (av.getScaleAboveWrapped() ? 2 : 1);
1677 repeatHeight += av.getRanges().getViewportHeight() * charHeight;
1679 // add annotations panel height if shown
1680 repeatHeight += getAnnotationHeight();
1682 return repeatHeight;