X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FSeqCanvas.java;h=4e896a0d9b7745b71a8a0614dc08ade86916b967;hb=cef8dbc4cf7c8b47864b11aad36596901003639a;hp=8d8aef3734aa2b246052d638bf43fbac6df2e0a0;hpb=ca106e8dd8c6bd849356c3a75cecc1d7eabd7230;p=jalview.git diff --git a/src/jalview/gui/SeqCanvas.java b/src/jalview/gui/SeqCanvas.java index 8d8aef3..4e896a0 100755 --- a/src/jalview/gui/SeqCanvas.java +++ b/src/jalview/gui/SeqCanvas.java @@ -53,6 +53,8 @@ import javax.swing.JComponent; */ public class SeqCanvas extends JComponent implements ViewportListenerI { + private static String ZEROS = "0000000000"; + final FeatureRenderer fr; final SequenceRenderer seqRdr; @@ -65,9 +67,9 @@ public class SeqCanvas extends JComponent implements ViewportListenerI boolean fastPaint = false; - int LABEL_WEST; + int labelWidthWest; - int LABEL_EAST; + int labelWidthEast; int cursorX = 0; @@ -209,7 +211,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI if (value != -1) { - int x = LABEL_WEST - fm.stringWidth(String.valueOf(value)) + int x = labelWidthWest - fm.stringWidth(String.valueOf(value)) - charWidth / 2; g.drawString(value + "", x, (ypos + (i * charHeight)) - (charHeight / 5)); @@ -281,7 +283,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI */ public void fastPaint(int horizontal, int vertical) { - if (fastpainting || gg == null) + if (fastpainting || gg == null || img == null) { return; } @@ -290,10 +292,10 @@ public class SeqCanvas extends JComponent implements ViewportListenerI updateViewport(); ViewportRanges ranges = av.getRanges(); - int sr = ranges.getStartRes(); - int er = ranges.getEndRes(); - int ss = ranges.getStartSeq(); - int es = ranges.getEndSeq(); + int startRes = ranges.getStartRes(); + int endRes = ranges.getEndRes(); + int startSeq = ranges.getStartSeq(); + int endSeq = ranges.getEndSeq(); int transX = 0; int transY = 0; @@ -303,20 +305,20 @@ public class SeqCanvas extends JComponent implements ViewportListenerI if (horizontal > 0) // scrollbar pulled right, image to the left { - transX = (er - sr - horizontal) * charWidth; - sr = er - horizontal; + transX = (endRes - startRes - horizontal) * charWidth; + startRes = endRes - horizontal; } else if (horizontal < 0) { - er = sr - horizontal; + endRes = startRes - horizontal; } else if (vertical > 0) // scroll down { - ss = es - vertical; + startSeq = endSeq - vertical; - if (ss < ranges.getStartSeq()) + if (startSeq < ranges.getStartSeq()) { // ie scrolling too fast, more than a page at a time - ss = ranges.getStartSeq(); + startSeq = ranges.getStartSeq(); } else { @@ -325,32 +327,22 @@ public class SeqCanvas extends JComponent implements ViewportListenerI } else if (vertical < 0) { - es = ss - vertical; + endSeq = startSeq - vertical; - if (es > ranges.getEndSeq()) + if (endSeq > ranges.getEndSeq()) { - es = ranges.getEndSeq(); + endSeq = ranges.getEndSeq(); } } gg.translate(transX, transY); - drawPanel(gg, sr, er, ss, es, 0); + drawPanel(gg, startRes, endRes, startSeq, endSeq, 0); gg.translate(-transX, -transY); repaint(); fastpainting = false; } - /** - * Definitions of startx and endx (hopefully): SMJS This is what I'm working - * towards! startx is the first residue (starting at 0) to display. endx is - * the last residue to display (starting at 0). starty is the first sequence - * to display (starting at 0). endy is the last sequence to display (starting - * at 0). NOTE 1: The av limits are set in setFont in this class and in the - * adjustment listener in SeqPanel when the scrollbars move. - */ - - // Set this to false to force a full panel paint @Override public void paintComponent(Graphics g) { @@ -437,12 +429,16 @@ public class SeqCanvas extends JComponent implements ViewportListenerI public void drawPanelForPrinting(Graphics g1, int startRes, int endRes, int startSeq, int endSeq) { + drawPanel(g1, startRes, endRes, startSeq, endSeq, 0); + BufferedImage selectImage = drawSelectionGroup(startRes, endRes, startSeq, endSeq); - drawPanel(g1, startRes, endRes, startSeq, endSeq, 0); - ((Graphics2D) g1).setComposite( - AlphaComposite.getInstance(AlphaComposite.SRC_OVER)); - g1.drawImage(selectImage, 0, 0, this); + if (selectImage != null) + { + ((Graphics2D) g1).setComposite(AlphaComposite + .getInstance(AlphaComposite.SRC_OVER)); + g1.drawImage(selectImage, 0, 0, this); + } } /** @@ -461,20 +457,34 @@ public class SeqCanvas extends JComponent implements ViewportListenerI int canvasHeight, int startRes) { SequenceGroup group = av.getSelectionGroup(); - BufferedImage selectImage = new BufferedImage(canvasWidth, canvasHeight, - BufferedImage.TYPE_INT_ARGB); // ARGB so alpha compositing works + + drawWrappedPanel(g, canvasWidth, canvasHeight, startRes); if (group != null) { - Graphics2D g2 = selectImage.createGraphics(); - setupSelectionGroup(g2, selectImage); - drawWrappedSelection(g2, group, canvasWidth, canvasHeight, - startRes); - drawWrappedPanel(g, canvasWidth, canvasHeight, startRes); - g2.setComposite( - AlphaComposite.getInstance(AlphaComposite.SRC_OVER)); - g.drawImage(selectImage, 0, 0, this); - g2.dispose(); + BufferedImage selectImage = null; + try + { + selectImage = new BufferedImage(canvasWidth, canvasHeight, + BufferedImage.TYPE_INT_ARGB); // ARGB so alpha compositing works + } catch (OutOfMemoryError er) + { + System.gc(); + System.err.println("Print image OutOfMemory Error.\n" + er); + new OOMWarning("Creating wrapped alignment image for printing", er); + } + if (selectImage != null) + { + Graphics2D g2 = selectImage.createGraphics(); + setupSelectionGroup(g2, selectImage); + drawWrappedSelection(g2, group, canvasWidth, canvasHeight, + startRes); + + g2.setComposite( + AlphaComposite.getInstance(AlphaComposite.SRC_OVER)); + g.drawImage(selectImage, 0, 0, this); + g2.dispose(); + } } } @@ -538,57 +548,63 @@ public class SeqCanvas extends JComponent implements ViewportListenerI } /** - * DOCUMENT ME! + * Returns the visible width of the canvas in residues, after allowing for + * East or West scales (if shown) * - * @param cwidth - * DOCUMENT ME! + * @param canvasWidth + * the width in pixels (possibly including scales) * - * @return DOCUMENT ME! + * @return */ - public int getWrappedCanvasWidth(int cwidth) + public int getWrappedCanvasWidth(int canvasWidth) { FontMetrics fm = getFontMetrics(av.getFont()); - LABEL_EAST = 0; - LABEL_WEST = 0; + labelWidthEast = 0; + labelWidthWest = 0; if (av.getScaleRightWrapped()) { - LABEL_EAST = fm.stringWidth(getMask()); + labelWidthEast = getLabelWidth(fm); } if (av.getScaleLeftWrapped()) { - LABEL_WEST = fm.stringWidth(getMask()); + labelWidthWest = labelWidthEast > 0 ? labelWidthEast + : getLabelWidth(fm); } - return (cwidth - LABEL_EAST - LABEL_WEST) / charWidth; + return (canvasWidth - labelWidthEast - labelWidthWest) / charWidth; } /** - * Generates a string of zeroes. + * Returns a pixel width suitable for showing the largest sequence coordinate + * (end position) in the alignment. Returns 2 plus the number of decimal + * digits to be shown (3 for 1-10, 4 for 11-99 etc). * - * @return String + * @param fm + * @return */ - String getMask() + protected int getLabelWidth(FontMetrics fm) { - String mask = "00"; + /* + * find the biggest sequence end position we need to show + * (note this is not necessarily the sequence length) + */ int maxWidth = 0; - int tmp; - for (int i = 0; i < av.getAlignment().getHeight(); i++) + AlignmentI alignment = av.getAlignment(); + for (int i = 0; i < alignment.getHeight(); i++) { - tmp = av.getAlignment().getSequenceAt(i).getEnd(); - if (tmp > maxWidth) - { - maxWidth = tmp; - } + maxWidth = Math.max(maxWidth, alignment.getSequenceAt(i).getEnd()); } + int length = 2; for (int i = maxWidth; i > 0; i /= 10) { - mask += "0"; + length++; } - return mask; + + return fm.stringWidth(ZEROS.substring(0, length)); } /** @@ -609,20 +625,15 @@ public class SeqCanvas extends JComponent implements ViewportListenerI updateViewport(); AlignmentI al = av.getAlignment(); - FontMetrics fm = getFontMetrics(av.getFont()); - - LABEL_EAST = 0; - LABEL_WEST = 0; - - if (av.getScaleRightWrapped()) + int labelWidth = 0; + if (av.getScaleRightWrapped() || av.getScaleLeftWrapped()) { - LABEL_EAST = fm.stringWidth(getMask()); + FontMetrics fm = getFontMetrics(av.getFont()); + labelWidth = getLabelWidth(fm); } - if (av.getScaleLeftWrapped()) - { - LABEL_WEST = fm.stringWidth(getMask()); - } + labelWidthEast = av.getScaleRightWrapped() ? labelWidth : 0; + labelWidthWest = av.getScaleLeftWrapped() ? labelWidth : 0; int hgap = charHeight; if (av.getScaleAboveWrapped()) @@ -630,7 +641,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI hgap += charHeight; } - int cWidth = (canvasWidth - LABEL_EAST - LABEL_WEST) / charWidth; + int cWidth = (canvasWidth - labelWidthEast - labelWidthWest) / charWidth; int cHeight = av.getAlignment().getHeight() * charHeight; av.setWrappedWidth(cWidth); @@ -647,6 +658,8 @@ public class SeqCanvas extends JComponent implements ViewportListenerI .findColumnPosition(maxwidth); } + int annotationHeight = getAnnotationHeight(); + while ((ypos <= canvasHeight) && (startRes < maxwidth)) { endx = startRes + cWidth - 1; @@ -666,12 +679,12 @@ public class SeqCanvas extends JComponent implements ViewportListenerI if (av.getScaleRightWrapped()) { - g.translate(canvasWidth - LABEL_EAST, 0); + g.translate(canvasWidth - labelWidthEast, 0); drawEastScale(g, startRes, endx, ypos); - g.translate(-(canvasWidth - LABEL_EAST), 0); + g.translate(-(canvasWidth - labelWidthEast), 0); } - g.translate(LABEL_WEST, 0); + g.translate(labelWidthWest, 0); if (av.getScaleAboveWrapped()) { @@ -734,9 +747,9 @@ public class SeqCanvas extends JComponent implements ViewportListenerI g.translate(0, -cHeight - ypos - 3); } g.setClip(clip); - g.translate(-LABEL_WEST, 0); + g.translate(-labelWidthWest, 0); - ypos += cHeight + getAnnotationHeight() + hgap; + ypos += cHeight + annotationHeight + hgap; startRes += cWidth; } @@ -756,7 +769,8 @@ public class SeqCanvas extends JComponent implements ViewportListenerI hgap += charHeight; } - int cWidth = (canvasWidth - LABEL_EAST - LABEL_WEST) / charWidth; + int cWidth = (canvasWidth - labelWidthEast - labelWidthWest) + / charWidth; int cHeight = av.getAlignment().getHeight() * charHeight; int startx = startRes; @@ -782,13 +796,13 @@ public class SeqCanvas extends JComponent implements ViewportListenerI endx = maxwidth; } - g.translate(LABEL_WEST, 0); + g.translate(labelWidthWest, 0); drawUnwrappedSelection(g, group, startx, endx, 0, av.getAlignment().getHeight() - 1, ypos); - g.translate(-LABEL_WEST, 0); + g.translate(-labelWidthWest, 0); // update vertical offset ypos += cHeight + getAnnotationHeight() + hgap; @@ -813,33 +827,37 @@ public class SeqCanvas extends JComponent implements ViewportListenerI return annotations.adjustPanelHeight(); } - /* - * Draw an alignment panel for printing + /** + * Draws the visible region of the alignment on the graphics context. If there + * are hidden column markers in the visible region, then each sub-region + * between the markers is drawn separately, followed by the hidden column + * marker. * * @param g1 * Graphics object to draw with * @param startRes - * start residue of print area + * offset of the first column in the visible region (0..) * @param endRes - * end residue of print area + * offset of the last column in the visible region (0..) * @param startSeq - * start sequence of print area + * offset of the first sequence in the visible region (0..) * @param endSeq - * end sequence of print area - * @param offset - * vertical offset + * offset of the last sequence in the visible region (0..) + * @param yOffset + * vertical offset at which to draw (for wrapped alignments) */ - private void drawPanel(Graphics g1, int startRes, int endRes, - int startSeq, int endSeq, int offset) + public void drawPanel(Graphics g1, final int startRes, final int endRes, + final int startSeq, final int endSeq, final int yOffset) { updateViewport(); if (!av.hasHiddenColumns()) { - draw(g1, startRes, endRes, startSeq, endSeq, offset); + draw(g1, startRes, endRes, startSeq, endSeq, yOffset); } else { int screenY = 0; + final int screenYMax = endRes - startRes; int blockStart = startRes; int blockEnd = endRes; @@ -855,38 +873,47 @@ public class SeqCanvas extends JComponent implements ViewportListenerI continue; } - blockEnd = hideStart - 1; + /* + * draw up to just before the next hidden region, or the end of + * the visible region, whichever comes first + */ + blockEnd = Math.min(hideStart - 1, blockStart + screenYMax + - screenY); g1.translate(screenY * charWidth, 0); - draw(g1, blockStart, blockEnd, startSeq, endSeq, offset); + draw(g1, blockStart, blockEnd, startSeq, endSeq, yOffset); - if (av.getShowHiddenMarkers()) + /* + * draw the downline of the hidden column marker (ScalePanel draws the + * triangle on top) if we reached it + */ + if (av.getShowHiddenMarkers() && blockEnd == hideStart - 1) { g1.setColor(Color.blue); g1.drawLine((blockEnd - blockStart + 1) * charWidth - 1, - 0 + offset, (blockEnd - blockStart + 1) * charWidth - 1, - (endSeq - startSeq + 1) * charHeight + offset); + 0 + yOffset, (blockEnd - blockStart + 1) * charWidth - 1, + (endSeq - startSeq + 1) * charHeight + yOffset); } g1.translate(-screenY * charWidth, 0); screenY += blockEnd - blockStart + 1; blockStart = hideEnd + 1; - if (screenY > (endRes - startRes)) + if (screenY > screenYMax) { // already rendered last block return; } } - if (screenY <= (endRes - startRes)) + if (screenY <= screenYMax) { // remaining visible region to render - blockEnd = blockStart + (endRes - startRes) - screenY; + blockEnd = blockStart + screenYMax - screenY; g1.translate(screenY * charWidth, 0); - draw(g1, blockStart, blockEnd, startSeq, endSeq, offset); + draw(g1, blockStart, blockEnd, startSeq, endSeq, yOffset); g1.translate(-screenY * charWidth, 0); } @@ -894,6 +921,21 @@ public class SeqCanvas extends JComponent implements ViewportListenerI } + /** + * Draws a region of the visible alignment + * + * @param g1 + * @param startRes + * offset of the first column in the visible region (0..) + * @param endRes + * offset of the last column in the visible region (0..) + * @param startSeq + * offset of the first sequence in the visible region (0..) + * @param endSeq + * offset of the last sequence in the visible region (0..) + * @param yOffset + * vertical offset at which to draw (for wrapped alignments) + */ private void draw(Graphics g, int startRes, int endRes, int startSeq, int endSeq, int offset) { @@ -922,11 +964,13 @@ public class SeqCanvas extends JComponent implements ViewportListenerI offset + ((i - startSeq) * charHeight), false); } - // / Highlight search Results once all sequences have been drawn - // //////////////////////////////////////////////////////// + /* + * highlight search Results once sequence has been drawn + */ if (av.hasSearchResults()) { - int[] visibleResults = av.getSearchResults().getResults(nextSeq, + SearchResultsI searchResults = av.getSearchResults(); + int[] visibleResults = searchResults.getResults(nextSeq, startRes, endRes); if (visibleResults != null) { @@ -1280,18 +1324,169 @@ public class SeqCanvas extends JComponent implements ViewportListenerI } /** - * DOCUMENT ME! + * Highlights search results in the visible region by rendering as white text + * on a black background. Any previous highlighting is removed. Answers true + * if any highlight was left on the visible alignment (so status bar should be + * set to match), else false. + *
+ * Currently fastPaint is not implemented for wrapped alignments. If a wrapped
+ * alignment had to be scrolled to show the highlighted region, then it should
+ * be fully redrawn, otherwise a fast paint can be performed. This argument
+ * could be removed if fast paint of scrolled wrapped alignment is coded in
+ * future (JAL-2609).
*
* @param results
- * DOCUMENT ME!
+ * @param noFastPaint
+ * @return
*/
- public void highlightSearchResults(SearchResultsI results)
+ public boolean highlightSearchResults(SearchResultsI results,
+ boolean noFastPaint)
{
- img = null;
+ if (fastpainting)
+ {
+ return false;
+ }
+ boolean wrapped = av.getWrapAlignment();
+
+ try
+ {
+ fastPaint = !noFastPaint;
+ fastpainting = fastPaint;
+
+ updateViewport();
+
+ /*
+ * to avoid redrawing the whole visible region, we instead
+ * redraw just the minimal regions to remove previous highlights
+ * and add new ones
+ */
+ SearchResultsI previous = av.getSearchResults();
+ av.setSearchResults(results);
+ boolean redrawn = false;
+ boolean drawn = false;
+ if (wrapped)
+ {
+ redrawn = drawMappedPositionsWrapped(previous);
+ drawn = drawMappedPositionsWrapped(results);
+ redrawn |= drawn;
+ }
+ else
+ {
+ redrawn = drawMappedPositions(previous);
+ drawn = drawMappedPositions(results);
+ redrawn |= drawn;
+ }
- av.setSearchResults(results);
+ /*
+ * if highlights were either removed or added, repaint
+ */
+ if (redrawn)
+ {
+ repaint();
+ }
- repaint();
+ /*
+ * return true only if highlights were added
+ */
+ return drawn;
+
+ } finally
+ {
+ fastpainting = false;
+ }
+ }
+
+ /**
+ * Redraws the minimal rectangle in the visible region (if any) that includes
+ * mapped positions of the given search results. Whether or not positions are
+ * highlighted depends on the SearchResults set on the Viewport. This allows
+ * this method to be called to either clear or set highlighting. Answers true
+ * if any positions were drawn (in which case a repaint is still required),
+ * else false.
+ *
+ * @param results
+ * @return
+ */
+ protected boolean drawMappedPositions(SearchResultsI results)
+ {
+ if (results == null)
+ {
+ return false;
+ }
+
+ /*
+ * calculate the minimal rectangle to redraw that
+ * includes both new and existing search results
+ */
+ int firstSeq = Integer.MAX_VALUE;
+ int lastSeq = -1;
+ int firstCol = Integer.MAX_VALUE;
+ int lastCol = -1;
+ boolean matchFound = false;
+
+ ViewportRanges ranges = av.getRanges();
+ int firstVisibleColumn = ranges.getStartRes();
+ int lastVisibleColumn = ranges.getEndRes();
+ AlignmentI alignment = av.getAlignment();
+ if (av.hasHiddenColumns())
+ {
+ firstVisibleColumn = alignment.getHiddenColumns()
+ .adjustForHiddenColumns(firstVisibleColumn);
+ lastVisibleColumn = alignment.getHiddenColumns()
+ .adjustForHiddenColumns(lastVisibleColumn);
+ }
+
+ for (int seqNo = ranges.getStartSeq(); seqNo <= ranges
+ .getEndSeq(); seqNo++)
+ {
+ SequenceI seq = alignment.getSequenceAt(seqNo);
+
+ int[] visibleResults = results.getResults(seq, firstVisibleColumn,
+ lastVisibleColumn);
+ if (visibleResults != null)
+ {
+ for (int i = 0; i < visibleResults.length - 1; i += 2)
+ {
+ int firstMatchedColumn = visibleResults[i];
+ int lastMatchedColumn = visibleResults[i + 1];
+ if (firstMatchedColumn <= lastVisibleColumn
+ && lastMatchedColumn >= firstVisibleColumn)
+ {
+ /*
+ * found a search results match in the visible region -
+ * remember the first and last sequence matched, and the first
+ * and last visible columns in the matched positions
+ */
+ matchFound = true;
+ firstSeq = Math.min(firstSeq, seqNo);
+ lastSeq = Math.max(lastSeq, seqNo);
+ firstMatchedColumn = Math.max(firstMatchedColumn,
+ firstVisibleColumn);
+ lastMatchedColumn = Math.min(lastMatchedColumn,
+ lastVisibleColumn);
+ firstCol = Math.min(firstCol, firstMatchedColumn);
+ lastCol = Math.max(lastCol, lastMatchedColumn);
+ }
+ }
+ }
+ }
+
+ if (matchFound)
+ {
+ if (av.hasHiddenColumns())
+ {
+ firstCol = alignment.getHiddenColumns()
+ .findColumnPosition(firstCol);
+ lastCol = alignment.getHiddenColumns().findColumnPosition(lastCol);
+ }
+ int transX = (firstCol - ranges.getStartRes()) * av.getCharWidth();
+ int transY = (firstSeq - ranges.getStartSeq()) * av.getCharHeight();
+ gg.translate(transX, transY);
+ drawPanel(gg, firstCol, lastCol, firstSeq, lastSeq, 0);
+ gg.translate(-transX, -transY);
+ }
+
+ return matchFound;
}
@Override
@@ -1348,4 +1543,143 @@ public class SeqCanvas extends JComponent implements ViewportListenerI
}
}
}
+
+ /**
+ * Redraws any positions in the search results in the visible region of a
+ * wrapped alignment. Any highlights are drawn depending on the search results
+ * set on the Viewport, not the results
argument. This allows
+ * this method to be called either to clear highlights (passing the previous
+ * search results), or to draw new highlights.
+ *
+ * @param results
+ * @return
+ */
+ protected boolean drawMappedPositionsWrapped(SearchResultsI results)
+ {
+ if (results == null)
+ {
+ return false;
+ }
+
+ boolean matchFound = false;
+
+ int wrappedWidth = av.getWrappedWidth();
+ int wrappedHeight = getRepeatHeightWrapped();
+
+ ViewportRanges ranges = av.getRanges();
+ int canvasHeight = getHeight();
+ int repeats = canvasHeight / wrappedHeight;
+ if (canvasHeight / wrappedHeight > 0)
+ {
+ repeats++;
+ }
+
+ int firstVisibleColumn = ranges.getStartRes();
+ int lastVisibleColumn = ranges.getStartRes() + repeats
+ * ranges.getViewportWidth() - 1;
+
+ AlignmentI alignment = av.getAlignment();
+ if (av.hasHiddenColumns())
+ {
+ firstVisibleColumn = alignment.getHiddenColumns()
+ .adjustForHiddenColumns(firstVisibleColumn);
+ lastVisibleColumn = alignment.getHiddenColumns()
+ .adjustForHiddenColumns(lastVisibleColumn);
+ }
+
+ int gapHeight = charHeight * (av.getScaleAboveWrapped() ? 2 : 1);
+
+ for (int seqNo = ranges.getStartSeq(); seqNo <= ranges
+ .getEndSeq(); seqNo++)
+ {
+ SequenceI seq = alignment.getSequenceAt(seqNo);
+
+ int[] visibleResults = results.getResults(seq, firstVisibleColumn,
+ lastVisibleColumn);
+ if (visibleResults != null)
+ {
+ for (int i = 0; i < visibleResults.length - 1; i += 2)
+ {
+ int firstMatchedColumn = visibleResults[i];
+ int lastMatchedColumn = visibleResults[i + 1];
+ if (firstMatchedColumn <= lastVisibleColumn
+ && lastMatchedColumn >= firstVisibleColumn)
+ {
+ /*
+ * found a search results match in the visible region
+ */
+ firstMatchedColumn = Math.max(firstMatchedColumn,
+ firstVisibleColumn);
+ lastMatchedColumn = Math.min(lastMatchedColumn,
+ lastVisibleColumn);
+
+ /*
+ * draw each mapped position separately (as contiguous positions may
+ * wrap across lines)
+ */
+ for (int mappedPos = firstMatchedColumn; mappedPos <= lastMatchedColumn; mappedPos++)
+ {
+ int displayColumn = mappedPos;
+ if (av.hasHiddenColumns())
+ {
+ displayColumn = alignment.getHiddenColumns()
+ .findColumnPosition(displayColumn);
+ }
+
+ /*
+ * transX: offset from left edge of canvas to residue position
+ */
+ int transX = labelWidthWest
+ + ((displayColumn - ranges.getStartRes()) % wrappedWidth)
+ * av.getCharWidth();
+
+ /*
+ * transY: offset from top edge of canvas to residue position
+ */
+ int transY = gapHeight;
+ transY += (displayColumn - ranges.getStartRes())
+ / wrappedWidth * wrappedHeight;
+ transY += (seqNo - ranges.getStartSeq()) * av.getCharHeight();
+
+ /*
+ * yOffset is from graphics origin to start of visible region
+ */
+ int yOffset = 0;// (displayColumn / wrappedWidth) * wrappedHeight;
+ if (transY < getHeight())
+ {
+ matchFound = true;
+ gg.translate(transX, transY);
+ drawPanel(gg, displayColumn, displayColumn, seqNo, seqNo,
+ yOffset);
+ gg.translate(-transX, -transY);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ return matchFound;
+ }
+
+ /**
+ * Answers the height in pixels of a repeating section of the wrapped
+ * alignment, including space above, scale above if shown, sequences, and
+ * annotation panel if shown
+ *
+ * @return
+ */
+ protected int getRepeatHeightWrapped()
+ {
+ // gap (and maybe scale) above
+ int repeatHeight = charHeight * (av.getScaleAboveWrapped() ? 2 : 1);
+
+ // add sequences
+ repeatHeight += av.getRanges().getViewportHeight() * charHeight;
+
+ // add annotations panel height if shown
+ repeatHeight += getAnnotationHeight();
+
+ return repeatHeight;
+ }
}