X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FSeqCanvas.java;h=d15cdcf376b50ba2fe0d3c08738935304c85d260;hb=fa9da54fb97cb2eacb1af7859024d90166bddb8f;hp=641365d7323dbf5b30ff481d77ae23a2280730a8;hpb=fab0afc9e1e7a5ca460f0cbd48545536f989a435;p=jalview.git diff --git a/src/jalview/gui/SeqCanvas.java b/src/jalview/gui/SeqCanvas.java index 641365d..d15cdcf 100755 --- a/src/jalview/gui/SeqCanvas.java +++ b/src/jalview/gui/SeqCanvas.java @@ -20,24 +20,13 @@ */ package jalview.gui; -import jalview.datamodel.AlignmentI; -import jalview.datamodel.HiddenColumns; -import jalview.datamodel.SearchResultsI; -import jalview.datamodel.SequenceGroup; -import jalview.datamodel.SequenceI; -import jalview.datamodel.VisibleContigsIterator; -import jalview.renderer.ScaleRenderer; -import jalview.renderer.ScaleRenderer.ScaleMark; -import jalview.util.Comparison; -import jalview.viewmodel.ViewportListenerI; -import jalview.viewmodel.ViewportRanges; - import java.awt.BasicStroke; import java.awt.BorderLayout; import java.awt.Color; import java.awt.FontMetrics; import java.awt.Graphics; import java.awt.Graphics2D; +import java.awt.Rectangle; import java.awt.RenderingHints; import java.awt.image.BufferedImage; import java.beans.PropertyChangeEvent; @@ -46,14 +35,33 @@ import java.util.List; import javax.swing.JPanel; +import jalview.datamodel.AlignmentI; +import jalview.datamodel.HiddenColumns; +import jalview.datamodel.SearchResultsI; +import jalview.datamodel.SequenceGroup; +import jalview.datamodel.SequenceI; +import jalview.datamodel.VisibleContigsIterator; +import jalview.renderer.ScaleRenderer; +import jalview.renderer.ScaleRenderer.ScaleMark; +import jalview.util.Comparison; +import jalview.viewmodel.ViewportListenerI; +import jalview.viewmodel.ViewportRanges; + /** * The Swing component on which the alignment sequences, and annotations (if * shown), are drawn. This includes scales above, left and right (if shown) in * Wrapped mode, but not the scale above in Unwrapped mode. * */ +@SuppressWarnings("serial") public class SeqCanvas extends JPanel implements ViewportListenerI { + /** + * vertical gap in pixels between sequences and annotations when in wrapped + * mode + */ + static final int SEQS_ANNOTATION_GAP = 3; + private static final String ZEROS = "0000000000"; final FeatureRenderer fr; @@ -68,7 +76,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI private final SequenceRenderer seqRdr; - private boolean fastPaint = false; + boolean fastPaint = false; private boolean fastpainting = false; @@ -81,14 +89,14 @@ public class SeqCanvas extends JPanel implements ViewportListenerI private int labelWidthWest; // label left width in pixels if shown - private int wrappedSpaceAboveAlignment; // gap between widths + int wrappedSpaceAboveAlignment; // gap between widths - private int wrappedRepeatHeightPx; // height in pixels of wrapped width + int wrappedRepeatHeightPx; // height in pixels of wrapped width private int wrappedVisibleWidths; // number of wrapped widths displayed // Don't do this! Graphics handles are supposed to be transient - //private Graphics2D gg; + // private Graphics2D gg; /** * Creates a new SeqCanvas object. @@ -195,7 +203,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI int yPos = ypos + charHeight; int startX = startx; int endX = endx; - + if (av.hasHiddenColumns()) { HiddenColumns hiddenColumns = av.getAlignment().getHiddenColumns(); @@ -231,7 +239,6 @@ public class SeqCanvas extends JPanel implements ViewportListenerI } } - /* * white fill the space for the scale */ @@ -270,6 +277,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI *
  • scrolling by trackpad, middle mouse button, or other device
  • *
  • by moving the box in the Overview window
  • *
  • programmatically to make a highlighted position visible
  • + *
  • pasting a block of sequences
  • * * * @param horizontal @@ -279,18 +287,21 @@ public class SeqCanvas extends JPanel implements ViewportListenerI */ public void fastPaint(int horizontal, int vertical) { - if (fastpainting || img == null) + + // effectively: + // if (horizontal != 0 && vertical != 0) + // throw new InvalidArgumentException(); + if (fastpainting || img == null) { return; } fastpainting = true; fastPaint = true; - try { int charHeight = av.getCharHeight(); int charWidth = av.getCharWidth(); - + ViewportRanges ranges = av.getRanges(); int startRes = ranges.getStartRes(); int endRes = ranges.getEndRes(); @@ -298,11 +309,6 @@ public class SeqCanvas extends JPanel implements ViewportListenerI int endSeq = ranges.getEndSeq(); int transX = 0; int transY = 0; - - Graphics gg = img.getGraphics(); - gg.copyArea(horizontal * charWidth, vertical * charHeight, - img.getWidth(), img.getHeight(), -horizontal * charWidth, - -vertical * charHeight); if (horizontal > 0) // scrollbar pulled right, image to the left { @@ -337,14 +343,26 @@ public class SeqCanvas extends JPanel implements ViewportListenerI } } + // System.err.println(">>> FastPaint to " + transX + " " + transY + " " + // + horizontal + " " + vertical + " " + startRes + " " + endRes + // + " " + startSeq + " " + endSeq); + + Graphics gg = img.getGraphics(); + gg.copyArea(horizontal * charWidth, vertical * charHeight, + img.getWidth(), img.getHeight(), -horizontal * charWidth, + -vertical * charHeight); + + /** @j2sNative xxi = this.img */ + gg.translate(transX, transY); drawPanel(gg, startRes, endRes, startSeq, endSeq, 0); gg.translate(-transX, -transY); gg.dispose(); - + // Call repaint on alignment panel so that repaints from other alignment // panel components can be aggregated. Otherwise performance of the // overview window and others may be adversely affected. + // System.out.println("SeqCanvas fastPaint() repaint() request..."); av.getAlignPanel().repaint(); } finally { @@ -355,43 +373,74 @@ public class SeqCanvas extends JPanel implements ViewportListenerI @Override public void paintComponent(Graphics g) { - super.paintComponent(g); int charHeight = av.getCharHeight(); int charWidth = av.getCharWidth(); - ViewportRanges ranges = av.getRanges(); - int width = getWidth(); int height = getHeight(); width -= (width % charWidth); height -= (height % charHeight); - - if ((img != null) && (fastPaint - || (getVisibleRect().width != g.getClipBounds().width) - || (getVisibleRect().height != g.getClipBounds().height))) - { - g.drawImage(img, 0, 0, this); + // BH 2019 can't possibly fastPaint if either width or height is 0 - drawSelectionGroup((Graphics2D) g, ranges.getStartRes(), - ranges.getEndRes(), ranges.getStartSeq(), ranges.getEndSeq()); + if (width == 0 || height == 0) + { + return; + } + ViewportRanges ranges = av.getRanges(); + int startRes = ranges.getStartRes(); + int startSeq = ranges.getStartSeq(); + int endRes = ranges.getEndRes(); + int endSeq = ranges.getEndSeq(); + + // [JAL-3226] problem that JavaScript (or Java) may consolidate multiple + // repaint() requests in unpredictable ways. In this case, the issue was + // that in response to a CTRL-C/CTRL-V paste request, in Java a fast + // repaint request preceded two full requests, thus resulting + // in a full request for paint. In constrast, in JavaScript, the three + // requests were bundled together into one, so the fastPaint flag was + // still present for the second and third request. + // + // This resulted in incomplete painting. + // + // The solution was to set seqCanvas.fastPaint and idCanvas.fastPaint false + // in PaintRefresher when the target to be painted is one of those two + // components. + // + // BH 2019.04.22 + // + // An initial idea; can be removed once we determine this issue is closed: + // if (av.isFastPaintDisabled()) + // { + // fastPaint = false; + // } + + Rectangle vis, clip; + if (img != null + && (fastPaint + || (vis = getVisibleRect()).width != (clip = g + .getClipBounds()).width + || vis.height != clip.height)) + { + g.drawImage(img, 0, 0, this); + drawSelectionGroup((Graphics2D) g, startRes, endRes, startSeq, + endSeq); fastPaint = false; } - else if (width > 0 && height > 0) + else { - /* - * img is a cached version of the last view we drew, if any - * if we have no img or the size has changed, make a new one - */ + // img is a cached version of the last view we drew. + // If we have no img or the size has changed, make a new one. + // if (img == null || width != img.getWidth() || height != img.getHeight()) { img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); } - + Graphics2D gg = (Graphics2D) img.getGraphics(); gg.setFont(av.getFont()); @@ -410,12 +459,10 @@ public class SeqCanvas extends JPanel implements ViewportListenerI } else { - drawPanel(gg, ranges.getStartRes(), ranges.getEndRes(), - ranges.getStartSeq(), ranges.getEndSeq(), 0); + drawPanel(gg, startRes, endRes, startSeq, endSeq, 0); } - drawSelectionGroup(gg, ranges.getStartRes(), - ranges.getEndRes(), ranges.getStartSeq(), ranges.getEndSeq()); + drawSelectionGroup(gg, startRes, endRes, startSeq, endSeq); g.drawImage(img, 0, 0, this); gg.dispose(); @@ -423,11 +470,10 @@ public class SeqCanvas extends JPanel implements ViewportListenerI if (av.cursorMode) { - drawCursor(g, ranges.getStartRes(), ranges.getEndRes(), - ranges.getStartSeq(), ranges.getEndSeq()); + drawCursor(g, startRes, endRes, startSeq, endSeq); } } - + /** * Draw an alignment panel for printing * @@ -447,8 +493,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI { drawPanel(g1, startRes, endRes, startSeq, endSeq, 0); - drawSelectionGroup((Graphics2D) g1, startRes, endRes, - startSeq, endSeq); + drawSelectionGroup((Graphics2D) g1, startRes, endRes, startSeq, endSeq); } /** @@ -472,7 +517,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI if (group != null) { drawWrappedSelection((Graphics2D) g, group, canvasWidth, canvasHeight, - startRes); + startRes); } } @@ -492,7 +537,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI FontMetrics fm = getFontMetrics(av.getFont()); int labelWidth = 0; - + if (av.getScaleRightWrapped() || av.getScaleLeftWrapped()) { labelWidth = getLabelWidth(fm); @@ -566,7 +611,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI calculateWrappedGeometry(canvasWidth, canvasHeight); /* - * draw one width at a time (excluding any scales or annotation shown), + * draw one width at a time (excluding any scales shown), * until we have run out of either alignment or vertical space available */ int ypos = wrappedSpaceAboveAlignment; @@ -576,8 +621,8 @@ public class SeqCanvas extends JPanel implements ViewportListenerI int currentWidth = 0; while ((currentWidth < wrappedVisibleWidths) && (start < maxWidth)) { - int endColumn = Math - .min(maxWidth, start + wrappedWidthInResidues - 1); + int endColumn = Math.min(maxWidth, + start + wrappedWidthInResidues - 1); drawWrappedWidth(g, ypos, start, endColumn, canvasHeight); ypos += wrappedRepeatHeightPx; start += wrappedWidthInResidues; @@ -613,14 +658,21 @@ public class SeqCanvas extends JPanel implements ViewportListenerI * (av.getScaleAboveWrapped() ? 2 : 1); /* - * height in pixels of the wrapped widths + * compute height in pixels of the wrapped widths + * - start with space above plus sequences */ wrappedRepeatHeightPx = wrappedSpaceAboveAlignment; - // add sequences - wrappedRepeatHeightPx += av.getAlignment().getHeight() - * charHeight; - // add annotations panel height if shown - wrappedRepeatHeightPx += getAnnotationHeight(); + wrappedRepeatHeightPx += av.getAlignment().getHeight() * charHeight; + + /* + * add annotations panel height if shown + * also gap between sequences and annotations + */ + if (av.isShowAnnotation()) + { + wrappedRepeatHeightPx += getAnnotationHeight(); + wrappedRepeatHeightPx += SEQS_ANNOTATION_GAP; // 3px + } /* * number of visible widths (the last one may be part height), @@ -638,7 +690,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI * compute width in residues; this also sets East and West label widths */ int wrappedWidthInResidues = getWrappedCanvasWidth(canvasWidth); - + av.setWrappedWidth(wrappedWidthInResidues); // update model accordingly /* * limit visibleWidths to not exceed width of alignment */ @@ -664,8 +716,9 @@ public class SeqCanvas extends JPanel implements ViewportListenerI * @param endColumn * @param canvasHeight */ - protected void drawWrappedWidth(Graphics g, int ypos, int startColumn, - int endColumn, int canvasHeight) + protected void drawWrappedWidth(Graphics g, final int ypos, + final int startColumn, final int endColumn, + final int canvasHeight) { ViewportRanges ranges = av.getRanges(); int viewportWidth = ranges.getViewportWidth(); @@ -680,7 +733,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI int charWidth = av.getCharWidth(); int xOffset = labelWidthWest + ((startColumn - ranges.getStartRes()) % viewportWidth) - * charWidth; + * charWidth; g.translate(xOffset, 0); @@ -699,7 +752,8 @@ public class SeqCanvas extends JPanel implements ViewportListenerI if (av.isShowAnnotation()) { - g.translate(0, cHeight + ypos + 3); + final int yShift = cHeight + ypos + SEQS_ANNOTATION_GAP; + g.translate(0, yShift); if (annotations == null) { annotations = new AnnotationPanel(av); @@ -707,7 +761,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI annotations.renderer.drawComponent(annotations, av, g, -1, startColumn, endx + 1); - g.translate(0, -cHeight - ypos - 3); + g.translate(0, -yShift); } g.translate(-xOffset, 0); } @@ -746,7 +800,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI if (av.getScaleRightWrapped()) { int x = labelWidthWest + viewportWidth * charWidth; - + g.translate(x, 0); drawVerticalScale(g, startCol, endColumn, ypos, false); g.translate(-x, 0); @@ -758,8 +812,9 @@ public class SeqCanvas extends JPanel implements ViewportListenerI */ g.translate(labelWidthWest, 0); g.setColor(Color.white); - g.fillRect(0, ypos - wrappedSpaceAboveAlignment, viewportWidth - * charWidth + labelWidthWest, wrappedSpaceAboveAlignment); + g.fillRect(0, ypos - wrappedSpaceAboveAlignment, + viewportWidth * charWidth + labelWidthWest, + wrappedSpaceAboveAlignment); g.setColor(Color.black); g.translate(-labelWidthWest, 0); @@ -830,44 +885,26 @@ public class SeqCanvas extends JPanel implements ViewportListenerI * Draw a selection group over a wrapped alignment */ private void drawWrappedSelection(Graphics2D g, SequenceGroup group, - int canvasWidth, - int canvasHeight, int startRes) + int canvasWidth, int canvasHeight, int startRes) { - int charHeight = av.getCharHeight(); - int charWidth = av.getCharWidth(); - - // height gap above each panel - int hgap = charHeight; - if (av.getScaleAboveWrapped()) - { - hgap += charHeight; - } - - int cWidth = (canvasWidth - labelWidthEast - labelWidthWest) - / charWidth; - int cHeight = av.getAlignment().getHeight() * charHeight; - - int startx = startRes; - int endx; - int ypos = hgap; // vertical offset - int maxwidth = av.getAlignment().getWidth(); - - if (av.hasHiddenColumns()) - { - maxwidth = av.getAlignment().getHiddenColumns() - .absoluteToVisibleColumn(maxwidth); - } - // chop the wrapped alignment extent up into panel-sized blocks and treat // each block as if it were a block from an unwrapped alignment g.setStroke(new BasicStroke(1, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 3f, new float[] { 5f, 3f }, 0f)); g.setColor(Color.RED); + + int charWidth = av.getCharWidth(); + int cWidth = (canvasWidth - labelWidthEast - labelWidthWest) + / charWidth; + int startx = startRes; + int maxwidth = av.getAlignment().getVisibleWidth(); + int ypos = wrappedSpaceAboveAlignment; + while ((ypos <= canvasHeight) && (startx < maxwidth)) { // set end value to be start + width, or maxwidth, whichever is smaller - endx = startx + cWidth - 1; + int endx = startx + cWidth - 1; if (endx > maxwidth) { @@ -875,22 +912,23 @@ public class SeqCanvas extends JPanel implements ViewportListenerI } g.translate(labelWidthWest, 0); - drawUnwrappedSelection(g, group, startx, endx, 0, - av.getAlignment().getHeight() - 1, - ypos); - + av.getAlignment().getHeight() - 1, ypos); g.translate(-labelWidthWest, 0); - // update vertical offset - ypos += cHeight + getAnnotationHeight() + hgap; + ypos += wrappedRepeatHeightPx; - // update horizontal offset startx += cWidth; } g.setStroke(new BasicStroke()); } + /** + * Answers zero if annotations are not shown, otherwise recalculates and + * answers the total height of all annotation rows in pixels + * + * @return + */ int getAnnotationHeight() { if (!av.isShowAnnotation()) @@ -1148,8 +1186,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI * the cursor drawn on it, if any */ private void drawCursor(Graphics g, int startRes, int endRes, - int startSeq, - int endSeq) + int startSeq, int endSeq) { // convert the cursorY into a position on the visible alignment int cursor_ypos = cursorY; @@ -1220,7 +1257,6 @@ public class SeqCanvas extends JPanel implements ViewportListenerI } } - /** * Draw a selection group over an unwrapped alignment * @@ -1243,7 +1279,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI int startRes, int endRes, int startSeq, int endSeq, int offset) { int charWidth = av.getCharWidth(); - + if (!av.hasHiddenColumns()) { drawPartialGroupOutline(g, group, startRes, endRes, startSeq, endSeq, @@ -1266,8 +1302,8 @@ public class SeqCanvas extends JPanel implements ViewportListenerI blockStart = region[0]; g.translate(screenY * charWidth, 0); - drawPartialGroupOutline(g, group, - blockStart, blockEnd, startSeq, endSeq, offset); + drawPartialGroupOutline(g, group, blockStart, blockEnd, startSeq, + endSeq, offset); g.translate(-screenY * charWidth, 0); screenY += blockEnd - blockStart + 1; @@ -1436,7 +1472,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI g.drawLine(sx + xwidth, oldY, sx + xwidth, sy); } } - + /** * Highlights search results in the visible region by rendering as white text * on a black background. Any previous highlighting is removed. Answers true @@ -1452,7 +1488,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI return highlightSearchResults(results, false); } - + /** * Highlights search results in the visible region by rendering as white text * on a black background. Any previous highlighting is removed. Answers true @@ -1610,7 +1646,8 @@ public class SeqCanvas extends JPanel implements ViewportListenerI { firstCol = alignment.getHiddenColumns() .absoluteToVisibleColumn(firstCol); - lastCol = alignment.getHiddenColumns().absoluteToVisibleColumn(lastCol); + lastCol = alignment.getHiddenColumns() + .absoluteToVisibleColumn(lastCol); } int transX = (firstCol - ranges.getStartRes()) * av.getCharWidth(); int transY = (firstSeq - ranges.getStartSeq()) * av.getCharHeight(); @@ -1628,7 +1665,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI public void propertyChange(PropertyChangeEvent evt) { String eventName = evt.getPropertyName(); - + // System.err.println(">>SeqCanvas propertyChange " + eventName); if (eventName.equals(SequenceGroup.SEQ_GROUP_CHANGED)) { fastPaint = true; @@ -1638,6 +1675,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI else if (eventName.equals(ViewportRanges.MOVE_VIEWPORT)) { fastPaint = false; + // System.err.println("!!!! fastPaint false from MOVE_VIEWPORT"); repaint(); return; } @@ -1659,7 +1697,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI } ViewportRanges vpRanges = av.getRanges(); - int range = vpRanges.getEndRes() - vpRanges.getStartRes(); + int range = vpRanges.getEndRes() - vpRanges.getStartRes() + 1; if (scrollX > range) { scrollX = range; @@ -1669,37 +1707,37 @@ public class SeqCanvas extends JPanel implements ViewportListenerI scrollX = -range; } } - // Both scrolling and resizing change viewport ranges: scrolling changes - // both start and end points, but resize only changes end values. - // Here we only want to fastpaint on a scroll, with resize using a normal - // paint, so scroll events are identified as changes to the horizontal or - // vertical start value. - if (eventName.equals(ViewportRanges.STARTRES)) + // Both scrolling and resizing change viewport ranges: scrolling changes + // both start and end points, but resize only changes end values. + // Here we only want to fastpaint on a scroll, with resize using a normal + // paint, so scroll events are identified as changes to the horizontal or + // vertical start value. + if (eventName.equals(ViewportRanges.STARTRES)) + { + if (av.getWrapAlignment()) { - if (av.getWrapAlignment()) - { - fastPaintWrapped(scrollX); - } - else - { - fastPaint(scrollX, 0); - } + fastPaintWrapped(scrollX); } - else if (eventName.equals(ViewportRanges.STARTSEQ)) + else { - // scroll - fastPaint(0, (int) evt.getNewValue() - (int) evt.getOldValue()); + fastPaint(scrollX, 0); } - else if (eventName.equals(ViewportRanges.STARTRESANDSEQ)) + } + else if (eventName.equals(ViewportRanges.STARTSEQ)) + { + // scroll + fastPaint(0, (int) evt.getNewValue() - (int) evt.getOldValue()); + } + else if (eventName.equals(ViewportRanges.STARTRESANDSEQ)) + { + if (av.getWrapAlignment()) { - if (av.getWrapAlignment()) - { - fastPaintWrapped(scrollX); - } - else - { - fastPaint(scrollX, 0); - } + fastPaintWrapped(scrollX); + } + else + { + fastPaint(scrollX, 0); + } } else if (eventName.equals(ViewportRanges.STARTSEQ)) { @@ -1728,10 +1766,10 @@ public class SeqCanvas extends JPanel implements ViewportListenerI { ViewportRanges ranges = av.getRanges(); - if (Math.abs(scrollX) > ranges.getViewportWidth()) + if (Math.abs(scrollX) >= ranges.getViewportWidth()) { /* - * shift of more than one view width is + * shift of one view width or more is * overcomplicated to handle in this method */ fastPaint = false; @@ -1749,9 +1787,9 @@ public class SeqCanvas extends JPanel implements ViewportListenerI try { - + Graphics gg = img.getGraphics(); - + calculateWrappedGeometry(getWidth(), getHeight()); /* @@ -1767,8 +1805,8 @@ public class SeqCanvas extends JPanel implements ViewportListenerI if (scrollX < 0) { int startRes = ranges.getStartRes(); - drawWrappedWidth(gg, wrappedSpaceAboveAlignment, startRes, startRes - - scrollX - 1, getHeight()); + drawWrappedWidth(gg, wrappedSpaceAboveAlignment, startRes, + startRes - scrollX - 1, getHeight()); } else { @@ -1781,7 +1819,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI drawWrappedDecorators(gg, ranges.getStartRes()); gg.dispose(); - + repaint(); } finally { @@ -1806,7 +1844,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI } Graphics gg = img.getGraphics(); - + ViewportRanges ranges = av.getRanges(); int viewportWidth = ranges.getViewportWidth(); int charWidth = av.getCharWidth(); @@ -1817,7 +1855,8 @@ public class SeqCanvas extends JPanel implements ViewportListenerI */ int visibleWidths = wrappedVisibleWidths; int canvasHeight = getHeight(); - boolean lastWidthPartHeight = (wrappedVisibleWidths * wrappedRepeatHeightPx) > canvasHeight; + boolean lastWidthPartHeight = (wrappedVisibleWidths + * wrappedRepeatHeightPx) > canvasHeight; if (lastWidthPartHeight) { @@ -1833,16 +1872,15 @@ public class SeqCanvas extends JPanel implements ViewportListenerI /* * white fill first to erase annotations */ - - + gg.translate(xOffset, 0); gg.setColor(Color.white); - gg.fillRect(labelWidthWest, ypos, - (endRes - startRes + 1) * charWidth, wrappedRepeatHeightPx); + gg.fillRect(labelWidthWest, ypos, (endRes - startRes + 1) * charWidth, + wrappedRepeatHeightPx); gg.translate(-xOffset, 0); drawWrappedWidth(gg, ypos, startRes, endRes, canvasHeight); - + } /* @@ -1887,7 +1925,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI gg.fillRect(0, canvasHeight - heightBelow, getWidth(), heightBelow); } gg.dispose(); - } + } /** * Shifts the visible alignment by the specified number of columns - left if @@ -1936,10 +1974,17 @@ public class SeqCanvas extends JPanel implements ViewportListenerI while (y >= 0) { + /* + * shift 'widthToCopy' residues by 'positions' places to the right + */ gg.copyArea(copyFromLeftStart, y, widthToCopy, heightToCopy, positions * charWidth, 0); if (y > 0) { + /* + * copy 'positions' residue from the row above (right hand end) + * to this row's left hand end + */ gg.copyArea(copyFromRightStart, y - wrappedRepeatHeightPx, positions * charWidth, heightToCopy, -widthToCopy, wrappedRepeatHeightPx); @@ -1968,8 +2013,8 @@ public class SeqCanvas extends JPanel implements ViewportListenerI if (y + wrappedRepeatHeightPx < canvasHeight - wrappedRepeatHeightPx && (xpos + viewportWidth <= xMax)) { - gg.copyArea(labelWidthWest, y + wrappedRepeatHeightPx, -positions - * charWidth, heightToCopy, widthToCopy, + gg.copyArea(labelWidthWest, y + wrappedRepeatHeightPx, + -positions * charWidth, heightToCopy, widthToCopy, -wrappedRepeatHeightPx); } y += wrappedRepeatHeightPx; @@ -1979,7 +2024,6 @@ public class SeqCanvas extends JPanel implements ViewportListenerI gg.dispose(); } - /** * Redraws any positions in the search results in the visible region of a * wrapped alignment. Any highlights are drawn depending on the search results @@ -2013,8 +2057,8 @@ public class SeqCanvas extends JPanel implements ViewportListenerI } int firstVisibleColumn = ranges.getStartRes(); - int lastVisibleColumn = ranges.getStartRes() + repeats - * ranges.getViewportWidth() - 1; + int lastVisibleColumn = ranges.getStartRes() + + repeats * ranges.getViewportWidth() - 1; AlignmentI alignment = av.getAlignment(); if (av.hasHiddenColumns()) @@ -2027,7 +2071,6 @@ public class SeqCanvas extends JPanel implements ViewportListenerI int gapHeight = charHeight * (av.getScaleAboveWrapped() ? 2 : 1); - Graphics gg = img.getGraphics(); for (int seqNo = ranges.getStartSeq(); seqNo <= ranges @@ -2071,8 +2114,8 @@ public class SeqCanvas extends JPanel implements ViewportListenerI * transX: offset from left edge of canvas to residue position */ int transX = labelWidthWest - + ((displayColumn - ranges.getStartRes()) % wrappedWidth) - * av.getCharWidth(); + + ((displayColumn - ranges.getStartRes()) + % wrappedWidth) * av.getCharWidth(); /* * transY: offset from top edge of canvas to residue position @@ -2099,7 +2142,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI } } } - + gg.dispose(); return matchFound; @@ -2114,4 +2157,5 @@ public class SeqCanvas extends JPanel implements ViewportListenerI { return labelWidthWest; } + }