X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FSeqCanvas.java;h=0f01552213d0c9c1d5955914645c0f234540b25f;hb=304e64fb34b32659be1bbfd39fb4e15b2f79586e;hp=6325e6136aecd54a39329628a236a580221259bc;hpb=ad1a1b9167535b1f6e34d84f8d26f4c63f5d394f;p=jalview.git diff --git a/src/jalview/gui/SeqCanvas.java b/src/jalview/gui/SeqCanvas.java index 6325e61..0f01552 100755 --- a/src/jalview/gui/SeqCanvas.java +++ b/src/jalview/gui/SeqCanvas.java @@ -38,6 +38,7 @@ 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; @@ -52,8 +53,15 @@ import javax.swing.JPanel; * 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; @@ -81,14 +89,19 @@ 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 + private int availWidth; + + private int availHeight; + + private boolean allowFastPaint; // Don't do this! Graphics handles are supposed to be transient - //private Graphics2D gg; + // private Graphics2D gg; /** * Creates a new SeqCanvas object. @@ -109,7 +122,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI public SequenceRenderer getSequenceRenderer() { - return seqRdr; + return seqRdr; } public FeatureRenderer getFeatureRenderer() @@ -195,7 +208,6 @@ 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 +243,6 @@ public class SeqCanvas extends JPanel implements ViewportListenerI } } - /* * white fill the space for the scale */ @@ -270,6 +281,7 @@ 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 +291,21 @@ 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 +313,6 @@ 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 { @@ -337,11 +347,22 @@ 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); + + 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. @@ -355,43 +376,69 @@ 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(); + if (av.getAlignPanel().getHoldRepaint()) + { + return; + } - int width = getWidth(); - int height = getHeight(); + getAvailSizes(); - width -= (width % charWidth); - height -= (height % charHeight); + if (availWidth == 0 || availHeight == 0) + { + return; + } - - if ((img != null) && (fastPaint - || (getVisibleRect().width != g.getClipBounds().width) - || (getVisibleRect().height != g.getClipBounds().height))) + 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, ranges.getStartRes(), - ranges.getEndRes(), ranges.getStartSeq(), ranges.getEndSeq()); - + 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); + img = new BufferedImage(availWidth, availHeight, + BufferedImage.TYPE_INT_RGB); } - + Graphics2D gg = (Graphics2D) img.getGraphics(); gg.setFont(av.getFont()); @@ -402,20 +449,18 @@ public class SeqCanvas extends JPanel implements ViewportListenerI } 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, width, height, 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(); @@ -423,11 +468,9 @@ 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 +490,7 @@ 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 +514,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI if (group != null) { drawWrappedSelection((Graphics2D) g, group, canvasWidth, canvasHeight, - startRes); + startRes); } } @@ -528,6 +570,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI maxWidth = Math.max(maxWidth, alignment.getSequenceAt(i).getEnd()); } + // quick int log10 int length = 0; for (int i = maxWidth; i > 0; i /= 10) { @@ -542,18 +585,17 @@ public class SeqCanvas extends JPanel 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); @@ -563,10 +605,10 @@ public class SeqCanvas extends JPanel implements ViewportListenerI // 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 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; @@ -576,9 +618,9 @@ public class SeqCanvas extends JPanel 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++; @@ -587,6 +629,15 @@ public class SeqCanvas extends JPanel 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 @@ -597,11 +648,24 @@ public class SeqCanvas extends JPanel 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(); @@ -613,14 +677,21 @@ 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 = wrappedSpaceAboveAlignment + + 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), @@ -664,8 +735,9 @@ 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 +752,7 @@ 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 +771,8 @@ 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 +780,7 @@ 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 +819,6 @@ 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 +830,9 @@ 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); @@ -826,48 +899,47 @@ public class SeqCanvas extends JPanel 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().getWidth(); - - if (av.hasHiddenColumns()) - { - maxwidth = av.getAlignment().getHiddenColumns() - .absoluteToVisibleColumn(maxwidth); - } + int maxwidth = av.getAlignment().getVisibleWidth(); + // 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; - // 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); 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 +947,25 @@ 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 += 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()) @@ -1148,8 +1223,7 @@ 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; @@ -1243,7 +1317,6 @@ 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 +1339,8 @@ 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 +1509,6 @@ 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 +1524,6 @@ 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 +1681,8 @@ 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(); @@ -1628,91 +1700,157 @@ public class SeqCanvas extends JPanel implements ViewportListenerI public void propertyChange(PropertyChangeEvent evt) { String eventName = evt.getPropertyName(); + // BH 2019.07.27 removes dead code introduced in aad3650 and simplifies + // logic, emphasizing no check for ENDRES or ENDSEQ - if (eventName.equals(SequenceGroup.SEQ_GROUP_CHANGED)) + // 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); + // } + // } } /** @@ -1728,10 +1866,10 @@ 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; @@ -1749,10 +1887,8 @@ public class SeqCanvas extends JPanel implements ViewportListenerI try { - Graphics gg = img.getGraphics(); - - calculateWrappedGeometry(getWidth(), getHeight()); + calculateWrappedGeometry(); /* * relocate the regions of the alignment that are still visible @@ -1767,8 +1903,8 @@ 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 +1917,6 @@ public class SeqCanvas extends JPanel implements ViewportListenerI drawWrappedDecorators(gg, ranges.getStartRes()); gg.dispose(); - repaint(); } finally { @@ -1806,7 +1941,6 @@ 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 +1951,8 @@ 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 +1968,13 @@ 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 +2019,7 @@ 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 +2068,17 @@ 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 +2107,8 @@ 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 +2118,6 @@ 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 @@ -2000,7 +2138,7 @@ public class SeqCanvas extends JPanel implements ViewportListenerI boolean matchFound = false; - calculateWrappedGeometry(getWidth(), getHeight()); + calculateWrappedGeometry(); int wrappedWidth = av.getWrappedWidth(); int wrappedHeight = wrappedRepeatHeightPx; @@ -2013,8 +2151,8 @@ 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 +2165,6 @@ 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 +2208,8 @@ 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 +2236,6 @@ public class SeqCanvas extends JPanel implements ViewportListenerI } } } - gg.dispose(); return matchFound; @@ -2114,4 +2250,14 @@ public class SeqCanvas extends JPanel 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; + } + }