X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FSeqCanvas.java;h=59a6cb1072b4128b4445c47840a6cbb148c35c67;hb=d3bf4ae12b72df02dee34c95da750ab38a3816b9;hp=2a370c4713a2f433c11dec2f911f0f59a712cdfa;hpb=985fd5ff517f3eb5221a7aefec88138341514779;p=jalview.git diff --git a/src/jalview/gui/SeqCanvas.java b/src/jalview/gui/SeqCanvas.java index 2a370c4..59a6cb1 100755 --- a/src/jalview/gui/SeqCanvas.java +++ b/src/jalview/gui/SeqCanvas.java @@ -38,14 +38,14 @@ 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.Shape; import java.awt.image.BufferedImage; import java.beans.PropertyChangeEvent; import java.util.Iterator; import java.util.List; -import javax.swing.JComponent; +import javax.swing.JPanel; /** * The Swing component on which the alignment sequences, and annotations (if @@ -53,10 +53,12 @@ import javax.swing.JComponent; * Wrapped mode, but not the scale above in Unwrapped mode. * */ -public class SeqCanvas extends JComponent implements ViewportListenerI +@SuppressWarnings("serial") +public class SeqCanvas extends JPanel implements ViewportListenerI { - /* - * pixels gap between sequences and annotations when in wrapped mode + /** + * vertical gap in pixels between sequences and annotations when in wrapped + * mode */ static final int SEQS_ANNOTATION_GAP = 3; @@ -93,7 +95,14 @@ public class SeqCanvas extends JComponent implements ViewportListenerI private int wrappedVisibleWidths; // number of wrapped widths displayed - private Graphics2D gg; + private int availWidth; + + private int availHeight; + + private boolean allowFastPaint; + + // Don't do this! Graphics handles are supposed to be transient + // private Graphics2D gg; /** * Creates a new SeqCanvas object. @@ -260,6 +269,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI g.drawString(valueAsString, xOffset, y); } } + } /** @@ -273,6 +283,7 @@ public class SeqCanvas extends JComponent 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 @@ -282,18 +293,21 @@ public class SeqCanvas extends JComponent implements ViewportListenerI */ public void fastPaint(int horizontal, int vertical) { - if (fastpainting || gg == null || 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(); @@ -301,10 +315,6 @@ public class SeqCanvas extends JComponent implements ViewportListenerI int endSeq = ranges.getEndSeq(); int transX = 0; int transY = 0; - - gg.copyArea(horizontal * charWidth, vertical * charHeight, - img.getWidth(), img.getHeight(), -horizontal * charWidth, - -vertical * charHeight); if (horizontal > 0) // scrollbar pulled right, image to the left { @@ -339,9 +349,18 @@ public class SeqCanvas extends JComponent 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); 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 @@ -356,76 +375,101 @@ public class SeqCanvas extends JComponent 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))) + if (av.getAlignPanel().getHoldRepaint()) { - g.drawImage(img, 0, 0, this); + return; + } - drawSelectionGroup((Graphics2D) g, ranges.getStartRes(), - ranges.getEndRes(), ranges.getStartSeq(), ranges.getEndSeq()); + getAvailSizes(); + if (availWidth == 0 || availHeight == 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 (allowFastPaint && 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 - */ - if (img == null || width != img.getWidth() - || height != img.getHeight()) + allowFastPaint = true; + // 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 || availWidth != img.getWidth() + || availHeight != img.getHeight()) { - img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); - gg = (Graphics2D) img.getGraphics(); - gg.setFont(av.getFont()); + img = new BufferedImage(availWidth, availHeight, + BufferedImage.TYPE_INT_RGB); } - + + Graphics2D gg = (Graphics2D) img.getGraphics(); + gg.setFont(av.getFont()); + if (av.antiAlias) { gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); } - + gg.setColor(Color.white); - gg.fillRect(0, 0, img.getWidth(), img.getHeight()); - + gg.fillRect(0, 0, availWidth, availHeight); + if (av.getWrapAlignment()) { - drawWrappedPanel(gg, getWidth(), getHeight(), ranges.getStartRes()); + drawWrappedPanel(gg, availWidth, availHeight, ranges.getStartRes()); } 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(); } 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 * @@ -445,8 +489,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI { drawPanel(g1, startRes, endRes, startSeq, endSeq, 0); - drawSelectionGroup((Graphics2D) g1, startRes, endRes, - startSeq, endSeq); + drawSelectionGroup((Graphics2D) g1, startRes, endRes, startSeq, endSeq); } /** @@ -470,37 +513,36 @@ public class SeqCanvas extends JComponent implements ViewportListenerI if (group != null) { drawWrappedSelection((Graphics2D) g, group, canvasWidth, canvasHeight, - startRes); + startRes); } } /** - * Returns the visible width of the canvas in residues, after allowing for - * East or West scales (if shown) + * Using the current font, determine fields labelWidthEast and labelWidthWest, + * and return the number of residues that can fill the remaining width * - * @param canvasWidth + * @param w * the width in pixels (possibly including scales) * - * @return + * @return the visible width in residues, after allowing for East or West + * scales (if shown) + * */ - public int getWrappedCanvasWidth(int canvasWidth) + public int getWrappedCanvasWidth(int w) { int charWidth = av.getCharWidth(); FontMetrics fm = getFontMetrics(av.getFont()); - int labelWidth = 0; - - if (av.getScaleRightWrapped() || av.getScaleLeftWrapped()) - { - labelWidth = getLabelWidth(fm); - } + int labelWidth = (av.getScaleRightWrapped() || av.getScaleLeftWrapped() + ? getLabelWidth(fm) + : 0); labelWidthEast = av.getScaleRightWrapped() ? labelWidth : 0; labelWidthWest = av.getScaleLeftWrapped() ? labelWidth : 0; - return (canvasWidth - labelWidthEast - labelWidthWest) / charWidth; + return (w - labelWidthEast - labelWidthWest) / charWidth; } /** @@ -526,6 +568,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI maxWidth = Math.max(maxWidth, alignment.getSequenceAt(i).getEnd()); } + // quick int log10 int length = 0; for (int i = maxWidth; i > 0; i /= 10) { @@ -540,28 +583,25 @@ public class SeqCanvas extends JComponent implements ViewportListenerI * window * * @param g - * @param canvasWidth + * @param availWidth * available width in pixels - * @param canvasHeight + * @param availHeight * available height in pixels * @param startColumn * the first column (0...) of the alignment to draw */ - public void drawWrappedPanel(Graphics g, int canvasWidth, - int canvasHeight, final int startColumn) + public void drawWrappedPanel(Graphics g, int availWidth, int availHeight, + final int startColumn) { - int wrappedWidthInResidues = calculateWrappedGeometry(canvasWidth, - canvasHeight); - + int wrappedWidthInResidues = calculateWrappedGeometry(); av.setWrappedWidth(wrappedWidthInResidues); - ViewportRanges ranges = av.getRanges(); ranges.setViewportStartAndWidth(startColumn, wrappedWidthInResidues); // we need to call this again to make sure the startColumn + // wrappedWidthInResidues values are used to calculate wrappedVisibleWidths // correctly. - calculateWrappedGeometry(canvasWidth, canvasHeight); + calculateWrappedGeometry(); /* * draw one width at a time (excluding any scales shown), @@ -574,9 +614,9 @@ public class SeqCanvas extends JComponent implements ViewportListenerI int currentWidth = 0; while ((currentWidth < wrappedVisibleWidths) && (start < maxWidth)) { - int endColumn = Math - .min(maxWidth, start + wrappedWidthInResidues - 1); - drawWrappedWidth(g, ypos, start, endColumn, canvasHeight); + int endColumn = Math.min(maxWidth, + start + wrappedWidthInResidues - 1); + drawWrappedWidth(g, ypos, start, endColumn, availHeight); ypos += wrappedRepeatHeightPx; start += wrappedWidthInResidues; currentWidth++; @@ -585,6 +625,16 @@ public class SeqCanvas extends JComponent implements ViewportListenerI drawWrappedDecorators(g, startColumn); } + private void getAvailSizes() + { + int charHeight = av.getCharHeight(); + int charWidth = av.getCharWidth(); + availWidth = getWidth(); + availHeight = getHeight(); + availWidth -= (availWidth % charWidth); + availHeight -= (availHeight % charHeight); + } + /** * Calculates and saves values needed when rendering a wrapped alignment. * These depend on many factors, including @@ -595,12 +645,26 @@ public class SeqCanvas extends JComponent implements ViewportListenerI *
  • whether scales are shown left, right or above the alignment
  • * * + * @param availWidth + * @param availHeight + * @return the number of residue columns in each width + */ + protected int calculateWrappedGeometry() + { + getAvailSizes(); + return calculateWrappedGeometry(availWidth, availHeight); + + } + + /** + * for test only * @param canvasWidth * @param canvasHeight - * @return the number of residue columns in each width + * @return */ - protected int calculateWrappedGeometry(int canvasWidth, int canvasHeight) + public int calculateWrappedGeometry(int canvasWidth, int canvasHeight) { + int charHeight = av.getCharHeight(); /* @@ -614,9 +678,8 @@ public class SeqCanvas extends JComponent implements ViewportListenerI * compute height in pixels of the wrapped widths * - start with space above plus sequences */ - wrappedRepeatHeightPx = wrappedSpaceAboveAlignment; - wrappedRepeatHeightPx += av.getAlignment().getHeight() - * charHeight; + wrappedRepeatHeightPx = wrappedSpaceAboveAlignment + + av.getAlignment().getHeight() * charHeight; /* * add annotations panel height if shown @@ -687,22 +750,9 @@ public class SeqCanvas extends JComponent implements ViewportListenerI int charWidth = av.getCharWidth(); int xOffset = labelWidthWest + ((startColumn - ranges.getStartRes()) % viewportWidth) - * charWidth; - g.translate(xOffset, 0); - - // When printing we have an extra clipped region, - // the Printable page which we need to account for here - Shape clip = g.getClip(); + * charWidth; - if (clip == null) - { - g.setClip(0, 0, viewportWidth * charWidth, canvasHeight); - } - else - { - g.setClip(0, (int) clip.getBounds().getY(), - viewportWidth * charWidth, (int) clip.getBounds().getHeight()); - } + g.translate(xOffset, 0); /* * white fill the region to be drawn (so incremental fast paint doesn't @@ -730,7 +780,6 @@ public class SeqCanvas extends JComponent implements ViewportListenerI startColumn, endx + 1); g.translate(0, -yShift); } - g.setClip(clip); g.translate(-xOffset, 0); } @@ -746,6 +795,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI int charWidth = av.getCharWidth(); g.setFont(av.getFont()); + g.setColor(Color.black); int ypos = wrappedSpaceAboveAlignment; @@ -767,6 +817,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI if (av.getScaleRightWrapped()) { int x = labelWidthWest + viewportWidth * charWidth; + g.translate(x, 0); drawVerticalScale(g, startCol, endColumn, ypos, false); g.translate(-x, 0); @@ -778,8 +829,9 @@ public class SeqCanvas extends JComponent 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); @@ -846,42 +898,49 @@ public class SeqCanvas extends JComponent implements ViewportListenerI } } + private final static BasicStroke dottedStroke = new BasicStroke(1, + BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 3f, new float[] + { 5f, 3f }, 0f); + + private final static BasicStroke basicStroke = new BasicStroke(); + /* * 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; - } + // 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(dottedStroke); + g.setColor(Color.RED); + int charWidth = av.getCharWidth(); 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().getVisibleWidth(); - // 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); + // JAL-3253-applet had this: + // // height gap above each panel + // int charHeight = av.getCharHeight(); + // int hgap = charHeight; + // if (av.getScaleAboveWrapped()) + // { + // hgap += charHeight; + // } + // int dy = getAnnotationHeight() + hgap + // + av.getAlignment().getHeight() * charHeight; + // int ypos = hgap; // vertical offset + + // this is from 0b573ed (gmungoc) + int dy = wrappedRepeatHeightPx; + 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) { @@ -891,20 +950,25 @@ public class SeqCanvas extends JComponent 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 += dy; // update horizontal offset startx += cWidth; } - g.setStroke(new BasicStroke()); + g.setStroke(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()) @@ -1099,23 +1163,17 @@ public class SeqCanvas extends JComponent implements ViewportListenerI do { g.setColor(group.getOutlineColour()); - drawPartialGroupOutline(g, group, startRes, endRes, startSeq, endSeq, offset); groupIndex++; - if (groupIndex >= av.getAlignment().getGroups().size()) { break; } - group = av.getAlignment().getGroups().get(groupIndex); - } while (groupIndex < av.getAlignment().getGroups().size()); - } - } /** @@ -1168,8 +1226,7 @@ public class SeqCanvas extends JComponent 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; @@ -1240,7 +1297,6 @@ public class SeqCanvas extends JComponent implements ViewportListenerI } } - /** * Draw a selection group over an unwrapped alignment * @@ -1263,7 +1319,7 @@ public class SeqCanvas extends JComponent 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, @@ -1286,8 +1342,8 @@ public class SeqCanvas extends JComponent 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; @@ -1456,25 +1512,47 @@ public class SeqCanvas extends JComponent 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 + * if any highlight was left on the visible alignment (so status bar should be + * set to match), else false. This method does _not_ set the 'fastPaint' flag, + * so allows the next repaint to update the whole display. + * + * @param results + * @return + */ + public boolean highlightSearchResults(SearchResultsI results) + { + 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 * 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). + * Optionally, set the 'fastPaint' flag for a faster redraw if only the + * highlighted regions are modified. This speeds up highlighting across linked + * alignments. + *

    + * Currently fastPaint is not implemented for scrolled 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 - * @param noFastPaint + * @param doFastPaint + * if true, sets a flag so the next repaint only redraws the modified + * image * @return */ public boolean highlightSearchResults(SearchResultsI results, - boolean noFastPaint) + boolean doFastPaint) { if (fastpainting) { @@ -1483,7 +1561,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI boolean wrapped = av.getWrapAlignment(); try { - fastPaint = !noFastPaint; + fastPaint = doFastPaint; fastpainting = fastPaint; /* @@ -1540,7 +1618,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI */ protected boolean drawMappedPositions(SearchResultsI results) { - if ((results == null) || (gg == null)) // JAL-2784 check gg is not null + if ((results == null) || (img == null)) // JAL-2784 check gg is not null { return false; } @@ -1608,13 +1686,16 @@ public class SeqCanvas extends JComponent 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(); + Graphics gg = img.getGraphics(); gg.translate(transX, transY); drawPanel(gg, firstCol, lastCol, firstSeq, lastSeq, 0); gg.translate(-transX, -transY); + gg.dispose(); } return matchFound; @@ -1625,90 +1706,157 @@ public class SeqCanvas extends JComponent implements ViewportListenerI { String eventName = evt.getPropertyName(); - if (eventName.equals(SequenceGroup.SEQ_GROUP_CHANGED)) + // BH 2019.07.27 removes dead code introduced in aad3650 and simplifies + // logic, emphasizing no check for ENDRES or ENDSEQ + + // 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. + + // Make sure we're not trying to draw a panel + // larger than the visible window + int scrollX = 0; + int scrollY = 0; + switch (eventName) { + case SequenceGroup.SEQ_GROUP_CHANGED: fastPaint = true; repaint(); return; - } - else if (eventName.equals(ViewportRanges.MOVE_VIEWPORT)) - { + case ViewportRanges.MOVE_VIEWPORT: fastPaint = false; repaint(); return; - } - - int scrollX = 0; - if (eventName.equals(ViewportRanges.STARTRES) - || eventName.equals(ViewportRanges.STARTRESANDSEQ)) - { - // Make sure we're not trying to draw a panel - // larger than the visible window - if (eventName.equals(ViewportRanges.STARTRES)) - { - scrollX = (int) evt.getNewValue() - (int) evt.getOldValue(); - } - else + case ViewportRanges.STARTSEQ: + // meaning STARTOREND + // typically scroll, but possibly just the end changed + fastPaint(0, (int) evt.getNewValue() - (int) evt.getOldValue()); + return; + case ViewportRanges.STARTRES: + // meaning STARTOREND + scrollX = (int) evt.getNewValue() - (int) evt.getOldValue(); + break; + case ViewportRanges.STARTRESANDSEQ: + scrollX = ((int[]) evt.getNewValue())[0] + - ((int[]) evt.getOldValue())[0]; + scrollY = ((int[]) evt.getNewValue())[1] + - ((int[]) evt.getOldValue())[1]; + if (scrollX != 0 && scrollY != 0) { - scrollX = ((int[]) evt.getNewValue())[0] - - ((int[]) evt.getOldValue())[0]; - } - ViewportRanges vpRanges = av.getRanges(); + // all sorts of problems in JavaScript if this is commented out. + repaint(); + return; - int range = vpRanges.getEndRes() - vpRanges.getStartRes(); - if (scrollX > range) - { - scrollX = range; } - else if (scrollX < -range) - { - 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)) - { - if (av.getWrapAlignment()) - { - fastPaintWrapped(scrollX); - } - else - { - fastPaint(scrollX, 0); - } - } - else if (eventName.equals(ViewportRanges.STARTSEQ)) - { - // scroll - fastPaint(0, (int) evt.getNewValue() - (int) evt.getOldValue()); - } - else if (eventName.equals(ViewportRanges.STARTRESANDSEQ)) - { - if (av.getWrapAlignment()) - { - fastPaintWrapped(scrollX); - } - else - { - fastPaint(scrollX, 0); - } + break; + default: + return; } - else if (eventName.equals(ViewportRanges.STARTSEQ)) + + ViewportRanges vpRanges = av.getRanges(); + int range = vpRanges.getEndRes() - vpRanges.getStartRes() + 1; + scrollX = Math.max(Math.min(scrollX, range), -range); + // only STARTRES or STARTRESANDSEQ: + if (av.getWrapAlignment()) { - // scroll - fastPaint(0, (int) evt.getNewValue() - (int) evt.getOldValue()); + fastPaintWrapped(scrollX); } - else if (eventName.equals(ViewportRanges.STARTRESANDSEQ)) + else { - if (av.getWrapAlignment()) - { - fastPaintWrapped(scrollX); - } - } + fastPaint(scrollX, scrollY); + } + + // BH 2019.07.27 was: + // if (eventName.equals(SequenceGroup.SEQ_GROUP_CHANGED)) + // { + // fastPaint = true; + // repaint(); + // return; + // } + // else if (eventName.equals(ViewportRanges.MOVE_VIEWPORT)) + // { + // fastPaint = false; + // // System.err.println("!!!! fastPaint false from MOVE_VIEWPORT"); + // repaint(); + // return; + // } + // + // if (eventName.equals(ViewportRanges.STARTRES) + // || eventName.equals(ViewportRanges.STARTRESANDSEQ)) + // { + // // Make sure we're not trying to draw a panel + // // larger than the visible window + // if (eventName.equals(ViewportRanges.STARTRES)) + // { + // scrollX = (int) evt.getNewValue() - (int) evt.getOldValue(); + // } + // else + // { + // scrollX = ((int[]) evt.getNewValue())[0] + // - ((int[]) evt.getOldValue())[0]; + // } + // ViewportRanges vpRanges = av.getRanges(); + // + // int range = vpRanges.getEndRes() - vpRanges.getStartRes() + 1; + // if (scrollX > range) + // { + // scrollX = range; + // } + // else if (scrollX < -range) + // { + // 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. + // BH 2019.07.27 was: + // if (eventName.equals(ViewportRanges.STARTRES)) + // { + // if (av.getWrapAlignment()) + // { + // fastPaintWrapped(scrollX); + // } + // else + // { + // fastPaint(scrollX, 0); + // } + // } + // else if (eventName.equals(ViewportRanges.STARTSEQ)) + // { + // // scroll + // fastPaint(0, (int) evt.getNewValue() - (int) evt.getOldValue()); + // } + // else if (eventName.equals(ViewportRanges.STARTRESANDSEQ)) + // { + // if (av.getWrapAlignment()) + // { + // fastPaintWrapped(scrollX); + // } + // else + // { + // fastPaint(scrollX, 0); + // } + // } + // + // BH oops! + // + // else if (eventName.equals(ViewportRanges.STARTSEQ)) + // { + // // scroll + // fastPaint(0, (int) evt.getNewValue() - (int) evt.getOldValue()); + // } + // else if (eventName.equals(ViewportRanges.STARTRESANDSEQ)) + // { + // if (av.getWrapAlignment()) + // { + // fastPaintWrapped(scrollX); + // } + // } } /** @@ -1724,10 +1872,10 @@ public class SeqCanvas extends JComponent 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; @@ -1735,7 +1883,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI return; } - if (fastpainting || gg == null) + if (fastpainting || img == null) { return; } @@ -1745,7 +1893,10 @@ public class SeqCanvas extends JComponent implements ViewportListenerI try { - calculateWrappedGeometry(getWidth(), getHeight()); + + Graphics gg = img.getGraphics(); + + calculateWrappedGeometry(); /* * relocate the regions of the alignment that are still visible @@ -1760,8 +1911,8 @@ public class SeqCanvas extends JComponent 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 { @@ -1773,6 +1924,8 @@ public class SeqCanvas extends JComponent implements ViewportListenerI */ drawWrappedDecorators(gg, ranges.getStartRes()); + gg.dispose(); + repaint(); } finally { @@ -1796,6 +1949,8 @@ public class SeqCanvas extends JComponent implements ViewportListenerI return; } + Graphics gg = img.getGraphics(); + ViewportRanges ranges = av.getRanges(); int viewportWidth = ranges.getViewportWidth(); int charWidth = av.getCharWidth(); @@ -1806,7 +1961,8 @@ public class SeqCanvas extends JComponent implements ViewportListenerI */ int visibleWidths = wrappedVisibleWidths; int canvasHeight = getHeight(); - boolean lastWidthPartHeight = (wrappedVisibleWidths * wrappedRepeatHeightPx) > canvasHeight; + boolean lastWidthPartHeight = (wrappedVisibleWidths + * wrappedRepeatHeightPx) > canvasHeight; if (lastWidthPartHeight) { @@ -1822,13 +1978,15 @@ public class SeqCanvas extends JComponent 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); + } /* @@ -1872,6 +2030,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI gg.setColor(Color.white); gg.fillRect(0, canvasHeight - heightBelow, getWidth(), heightBelow); } + gg.dispose(); } /** @@ -1888,6 +2047,9 @@ public class SeqCanvas extends JComponent implements ViewportListenerI { return; } + + Graphics gg = img.getGraphics(); + int charWidth = av.getCharWidth(); int canvasHeight = getHeight(); @@ -1918,10 +2080,17 @@ public class SeqCanvas extends JComponent 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); @@ -1950,18 +2119,17 @@ public class SeqCanvas extends JComponent 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; xpos += viewportWidth; } } + 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 @@ -1974,7 +2142,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI */ protected boolean drawMappedPositionsWrapped(SearchResultsI results) { - if ((results == null) || (gg == null)) // JAL-2784 check gg is not null + if ((results == null) || (img == null)) // JAL-2784 check gg is not null { return false; } @@ -1982,7 +2150,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI boolean matchFound = false; - calculateWrappedGeometry(getWidth(), getHeight()); + calculateWrappedGeometry(); int wrappedWidth = av.getWrappedWidth(); int wrappedHeight = wrappedRepeatHeightPx; @@ -1995,8 +2163,8 @@ public class SeqCanvas extends JComponent 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()) @@ -2009,6 +2177,8 @@ public class SeqCanvas extends JComponent implements ViewportListenerI int gapHeight = charHeight * (av.getScaleAboveWrapped() ? 2 : 1); + Graphics gg = img.getGraphics(); + for (int seqNo = ranges.getStartSeq(); seqNo <= ranges .getEndSeq(); seqNo++) { @@ -2050,8 +2220,8 @@ public class SeqCanvas extends JComponent 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 @@ -2078,7 +2248,9 @@ public class SeqCanvas extends JComponent implements ViewportListenerI } } } - + + gg.dispose(); + return matchFound; } @@ -2091,4 +2263,14 @@ public class SeqCanvas extends JComponent implements ViewportListenerI { return labelWidthWest; } + + /** + * Clears the flag that allows a 'fast paint' on the next repaint, so + * requiring a full repaint + */ + public void setNoFastPaint() + { + allowFastPaint = false; + } + }