import jalview.viewmodel.ViewportListenerI;
import jalview.viewmodel.ViewportRanges;
+import java.awt.AlphaComposite;
import java.awt.BasicStroke;
import java.awt.BorderLayout;
import java.awt.Color;
*/
public class SeqCanvas extends JComponent implements ViewportListenerI
{
+ private static String ZEROS = "0000000000";
+
final FeatureRenderer fr;
- final SequenceRenderer sr;
+ final SequenceRenderer seqRdr;
BufferedImage img;
Graphics2D gg;
- int imgWidth;
-
- int imgHeight;
-
AlignViewport av;
boolean fastPaint = false;
- int LABEL_WEST;
+ int labelWidthWest;
- int LABEL_EAST;
+ int labelWidthEast;
int cursorX = 0;
int cursorY = 0;
+ int charHeight = 0;
+
+ int charWidth = 0;
+
+ boolean fastpainting = false;
+
+ AnnotationPanel annotations;
+
/**
* Creates a new SeqCanvas object.
*
this.av = ap.av;
updateViewport();
fr = new FeatureRenderer(ap);
- sr = new SequenceRenderer(av);
+ seqRdr = new SequenceRenderer(av);
setLayout(new BorderLayout());
PaintRefresher.Register(this, av.getSequenceSetId());
setBackground(Color.white);
public SequenceRenderer getSequenceRenderer()
{
- return sr;
+ return seqRdr;
}
public FeatureRenderer getFeatureRenderer()
return fr;
}
- int charHeight = 0, charWidth = 0;
-
private void updateViewport()
{
charHeight = av.getCharHeight();
{
g.drawString(mstring, mpos * charWidth, ypos - (charHeight / 2));
}
- g.drawLine((mpos * charWidth) + (charWidth / 2), (ypos + 2)
- - (charHeight / 2), (mpos * charWidth) + (charWidth / 2),
- ypos - 2);
+ g.drawLine((mpos * charWidth) + (charWidth / 2),
+ (ypos + 2) - (charHeight / 2),
+ (mpos * charWidth) + (charWidth / 2), ypos - 2);
}
}
}
if (value != -1)
{
- int x = LABEL_WEST - fm.stringWidth(String.valueOf(value))
+ int x = labelWidthWest - fm.stringWidth(String.valueOf(value))
- charWidth / 2;
- g.drawString(value + "", x, (ypos + (i * charHeight))
- - (charHeight / 5));
+ g.drawString(value + "", x,
+ (ypos + (i * charHeight)) - (charHeight / 5));
}
}
}
if (value != -1)
{
- g.drawString(String.valueOf(value), 0, (ypos + (i * charHeight))
- - (charHeight / 5));
+ g.drawString(String.valueOf(value), 0,
+ (ypos + (i * charHeight)) - (charHeight / 5));
}
}
}
- boolean fastpainting = false;
/**
* need to make this thread safe move alignment rendering in response to
updateViewport();
ViewportRanges ranges = av.getRanges();
- int sr = ranges.getStartRes();
- int er = ranges.getEndRes();
- int ss = ranges.getStartSeq();
- int es = ranges.getEndSeq();
+ int startRes = ranges.getStartRes();
+ int endRes = ranges.getEndRes();
+ int startSeq = ranges.getStartSeq();
+ int endSeq = ranges.getEndSeq();
int transX = 0;
int transY = 0;
- gg.copyArea(horizontal * charWidth, vertical * charHeight, imgWidth,
- imgHeight, -horizontal * charWidth, -vertical * charHeight);
+ gg.copyArea(horizontal * charWidth, vertical * charHeight,
+ img.getWidth(), img.getHeight(), -horizontal * charWidth,
+ -vertical * charHeight);
if (horizontal > 0) // scrollbar pulled right, image to the left
{
- transX = (er - sr - horizontal) * charWidth;
- sr = er - horizontal;
+ transX = (endRes - startRes - horizontal) * charWidth;
+ startRes = endRes - horizontal;
}
else if (horizontal < 0)
{
- er = sr - horizontal;
+ endRes = startRes - horizontal;
}
else if (vertical > 0) // scroll down
{
- ss = es - vertical;
+ startSeq = endSeq - vertical;
- if (ss < ranges.getStartSeq())
+ if (startSeq < ranges.getStartSeq())
{ // ie scrolling too fast, more than a page at a time
- ss = ranges.getStartSeq();
+ startSeq = ranges.getStartSeq();
}
else
{
- transY = imgHeight - ((vertical + 1) * charHeight);
+ transY = img.getHeight() - ((vertical + 1) * charHeight);
}
}
else if (vertical < 0)
{
- es = ss - vertical;
+ endSeq = startSeq - vertical;
- if (es > ranges.getEndSeq())
+ if (endSeq > ranges.getEndSeq())
{
- es = ranges.getEndSeq();
+ endSeq = ranges.getEndSeq();
}
}
gg.translate(transX, transY);
- drawPanel(gg, sr, er, ss, es, 0);
+ drawPanel(gg, startRes, endRes, startSeq, endSeq, 0);
gg.translate(-transX, -transY);
repaint();
fastpainting = false;
}
- /**
- * Definitions of startx and endx (hopefully): SMJS This is what I'm working
- * towards! startx is the first residue (starting at 0) to display. endx is
- * the last residue to display (starting at 0). starty is the first sequence
- * to display (starting at 0). endy is the last sequence to display (starting
- * at 0). NOTE 1: The av limits are set in setFont in this class and in the
- * adjustment listener in SeqPanel when the scrollbars move.
- */
-
- // Set this to false to force a full panel paint
@Override
public void paintComponent(Graphics g)
{
- updateViewport();
- BufferedImage lcimg = img; // take reference since other threads may null
- // img and call later.
super.paintComponent(g);
- if (lcimg != null
- && (fastPaint
- || (getVisibleRect().width != g.getClipBounds().width) || (getVisibleRect().height != g
- .getClipBounds().height)))
+ updateViewport();
+
+ ViewportRanges ranges = av.getRanges();
+
+ int width = getWidth();
+ int height = getHeight();
+
+ width -= (width % charWidth);
+ height -= (height % charHeight);
+
+ // selectImage is the selection group outline image
+ BufferedImage selectImage = drawSelectionGroup(
+ ranges.getStartRes(), ranges.getEndRes(),
+ ranges.getStartSeq(), ranges.getEndSeq());
+
+ if ((img != null) && (fastPaint
+ || (getVisibleRect().width != g.getClipBounds().width)
+ || (getVisibleRect().height != g.getClipBounds().height)))
{
+ BufferedImage lcimg = buildLocalImage(selectImage);
g.drawImage(lcimg, 0, 0, this);
fastPaint = false;
- return;
}
+ else if ((width > 0) && (height > 0))
+ {
+ // 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())
+ {
+ img = setupImage();
+ if (img == null)
+ {
+ return;
+ }
+ 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());
+
+ if (av.getWrapAlignment())
+ {
+ drawWrappedPanel(gg, getWidth(), getHeight(), ranges.getStartRes());
+ }
+ else
+ {
+ drawPanel(gg, ranges.getStartRes(), ranges.getEndRes(),
+ ranges.getStartSeq(), ranges.getEndSeq(), 0);
+ }
- // this draws the whole of the alignment
- imgWidth = getWidth();
- imgHeight = getHeight();
+ // lcimg is a local *copy* of img which we'll draw selectImage on top of
+ BufferedImage lcimg = buildLocalImage(selectImage);
+ g.drawImage(lcimg, 0, 0, this);
+ }
+ }
- imgWidth -= (imgWidth % charWidth);
- imgHeight -= (imgHeight % charHeight);
+ /**
+ * Draw an alignment panel for printing
+ *
+ * @param g1
+ * Graphics object to draw with
+ * @param startRes
+ * start residue of print area
+ * @param endRes
+ * end residue of print area
+ * @param startSeq
+ * start sequence of print area
+ * @param endSeq
+ * end sequence of print area
+ */
+ public void drawPanelForPrinting(Graphics g1, int startRes, int endRes,
+ int startSeq, int endSeq)
+ {
+ drawPanel(g1, startRes, endRes, startSeq, endSeq, 0);
- if ((imgWidth < 1) || (imgHeight < 1))
+ BufferedImage selectImage = drawSelectionGroup(startRes, endRes,
+ startSeq, endSeq);
+ if (selectImage != null)
{
- return;
+ ((Graphics2D) g1).setComposite(AlphaComposite
+ .getInstance(AlphaComposite.SRC_OVER));
+ g1.drawImage(selectImage, 0, 0, this);
}
+ }
+
+ /**
+ * Draw a wrapped alignment panel for printing
+ *
+ * @param g
+ * Graphics object to draw with
+ * @param canvasWidth
+ * width of drawing area
+ * @param canvasHeight
+ * height of drawing area
+ * @param startRes
+ * start residue of print area
+ */
+ public void drawWrappedPanelForPrinting(Graphics g, int canvasWidth,
+ int canvasHeight, int startRes)
+ {
+ SequenceGroup group = av.getSelectionGroup();
- if (lcimg == null || imgWidth != lcimg.getWidth()
- || imgHeight != lcimg.getHeight())
+ drawWrappedPanel(g, canvasWidth, canvasHeight, startRes);
+
+ if (group != null)
{
+ BufferedImage selectImage = null;
try
{
- lcimg = img = new BufferedImage(imgWidth, imgHeight,
- BufferedImage.TYPE_INT_RGB);
- gg = (Graphics2D) img.getGraphics();
- gg.setFont(av.getFont());
+ selectImage = new BufferedImage(canvasWidth, canvasHeight,
+ BufferedImage.TYPE_INT_ARGB); // ARGB so alpha compositing works
} catch (OutOfMemoryError er)
{
System.gc();
- System.err.println("SeqCanvas OutOfMemory Redraw Error.\n" + er);
- new OOMWarning("Creating alignment image for display", er);
-
- return;
+ System.err.println("Print image OutOfMemory Error.\n" + er);
+ new OOMWarning("Creating wrapped alignment image for printing", er);
+ }
+ if (selectImage != null)
+ {
+ Graphics2D g2 = selectImage.createGraphics();
+ setupSelectionGroup(g2, selectImage);
+ drawWrappedSelection(g2, group, canvasWidth, canvasHeight,
+ startRes);
+
+ g2.setComposite(
+ AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
+ g.drawImage(selectImage, 0, 0, this);
+ g2.dispose();
}
}
+ }
- if (av.antiAlias)
+ /*
+ * Make a local image by combining the cached image img
+ * with any selection
+ */
+ private BufferedImage buildLocalImage(BufferedImage selectImage)
+ {
+ // clone the cached image
+ BufferedImage lcimg = new BufferedImage(img.getWidth(), img.getHeight(),
+ img.getType());
+ Graphics2D g2d = lcimg.createGraphics();
+ g2d.drawImage(img, 0, 0, null);
+
+ // overlay selection group on lcimg
+ if (selectImage != null)
{
- gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
- RenderingHints.VALUE_ANTIALIAS_ON);
+ g2d.setComposite(
+ AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
+ g2d.drawImage(selectImage, 0, 0, this);
}
+ g2d.dispose();
- gg.setColor(Color.white);
- gg.fillRect(0, 0, imgWidth, imgHeight);
+ return lcimg;
+ }
- ViewportRanges ranges = av.getRanges();
- if (av.getWrapAlignment())
+ /*
+ * Set up a buffered image of the correct height and size for the sequence canvas
+ */
+ private BufferedImage setupImage()
+ {
+ BufferedImage lcimg = null;
+
+ int width = getWidth();
+ int height = getHeight();
+
+ width -= (width % charWidth);
+ height -= (height % charHeight);
+
+ if ((width < 1) || (height < 1))
{
- drawWrappedPanel(gg, getWidth(), getHeight(), ranges.getStartRes());
+ return null;
}
- else
+
+ try
{
- drawPanel(gg, ranges.getStartRes(), ranges.getEndRes(),
- ranges.getStartSeq(), ranges.getEndSeq(), 0);
- }
+ lcimg = new BufferedImage(width, height,
+ BufferedImage.TYPE_INT_ARGB); // ARGB so alpha compositing works
+ } catch (OutOfMemoryError er)
+ {
+ System.gc();
+ System.err.println(
+ "Group image OutOfMemory Redraw Error.\n" + er);
+ new OOMWarning("Creating alignment image for display", er);
- g.drawImage(lcimg, 0, 0, this);
+ return null;
+ }
+ return lcimg;
}
/**
- * DOCUMENT ME!
+ * Returns the visible width of the canvas in residues, after allowing for
+ * East or West scales (if shown)
*
- * @param cwidth
- * DOCUMENT ME!
+ * @param canvasWidth
+ * the width in pixels (possibly including scales)
*
- * @return DOCUMENT ME!
+ * @return
*/
- public int getWrappedCanvasWidth(int cwidth)
+ public int getWrappedCanvasWidth(int canvasWidth)
{
FontMetrics fm = getFontMetrics(av.getFont());
- LABEL_EAST = 0;
- LABEL_WEST = 0;
+ labelWidthEast = 0;
+ labelWidthWest = 0;
if (av.getScaleRightWrapped())
{
- LABEL_EAST = fm.stringWidth(getMask());
+ labelWidthEast = getLabelWidth(fm);
}
if (av.getScaleLeftWrapped())
{
- LABEL_WEST = fm.stringWidth(getMask());
+ labelWidthWest = labelWidthEast > 0 ? labelWidthEast
+ : getLabelWidth(fm);
}
- return (cwidth - LABEL_EAST - LABEL_WEST) / charWidth;
+ return (canvasWidth - labelWidthEast - labelWidthWest) / charWidth;
}
/**
- * Generates a string of zeroes.
+ * Returns a pixel width suitable for showing the largest sequence coordinate
+ * (end position) in the alignment. Returns 2 plus the number of decimal
+ * digits to be shown (3 for 1-10, 4 for 11-99 etc).
*
- * @return String
+ * @param fm
+ * @return
*/
- String getMask()
+ protected int getLabelWidth(FontMetrics fm)
{
- String mask = "00";
+ /*
+ * find the biggest sequence end position we need to show
+ * (note this is not necessarily the sequence length)
+ */
int maxWidth = 0;
- int tmp;
- for (int i = 0; i < av.getAlignment().getHeight(); i++)
+ AlignmentI alignment = av.getAlignment();
+ for (int i = 0; i < alignment.getHeight(); i++)
{
- tmp = av.getAlignment().getSequenceAt(i).getEnd();
- if (tmp > maxWidth)
- {
- maxWidth = tmp;
- }
+ maxWidth = Math.max(maxWidth, alignment.getSequenceAt(i).getEnd());
}
+ int length = 2;
for (int i = maxWidth; i > 0; i /= 10)
{
- mask += "0";
+ length++;
}
- return mask;
+
+ return fm.stringWidth(ZEROS.substring(0, length));
}
/**
* @param startRes
* DOCUMENT ME!
*/
- public void drawWrappedPanel(Graphics g, int canvasWidth,
+ private void drawWrappedPanel(Graphics g, int canvasWidth,
int canvasHeight, int startRes)
{
updateViewport();
AlignmentI al = av.getAlignment();
- FontMetrics fm = getFontMetrics(av.getFont());
-
- if (av.getScaleRightWrapped())
+ int labelWidth = 0;
+ if (av.getScaleRightWrapped() || av.getScaleLeftWrapped())
{
- LABEL_EAST = fm.stringWidth(getMask());
+ FontMetrics fm = getFontMetrics(av.getFont());
+ labelWidth = getLabelWidth(fm);
}
- if (av.getScaleLeftWrapped())
- {
- LABEL_WEST = fm.stringWidth(getMask());
- }
+ labelWidthEast = av.getScaleRightWrapped() ? labelWidth : 0;
+ labelWidthWest = av.getScaleLeftWrapped() ? labelWidth : 0;
int hgap = charHeight;
if (av.getScaleAboveWrapped())
hgap += charHeight;
}
- int cWidth = (canvasWidth - LABEL_EAST - LABEL_WEST) / charWidth;
+ int cWidth = (canvasWidth - labelWidthEast - labelWidthWest) / charWidth;
int cHeight = av.getAlignment().getHeight() * charHeight;
av.setWrappedWidth(cWidth);
- av.getRanges().setEndRes(av.getRanges().getStartRes() + cWidth - 1);
+ av.getRanges().setViewportStartAndWidth(startRes, cWidth);
int endx;
int ypos = hgap;
- int maxwidth = av.getAlignment().getWidth() - 1;
+ int maxwidth = av.getAlignment().getWidth();
if (av.hasHiddenColumns())
{
maxwidth = av.getAlignment().getHiddenColumns()
- .findColumnPosition(maxwidth) - 1;
+ .findColumnPosition(maxwidth);
}
+ int annotationHeight = getAnnotationHeight();
+
while ((ypos <= canvasHeight) && (startRes < maxwidth))
{
endx = startRes + cWidth - 1;
if (av.getScaleRightWrapped())
{
- g.translate(canvasWidth - LABEL_EAST, 0);
+ g.translate(canvasWidth - labelWidthEast, 0);
drawEastScale(g, startRes, endx, ypos);
- g.translate(-(canvasWidth - LABEL_EAST), 0);
+ g.translate(-(canvasWidth - labelWidthEast), 0);
}
- g.translate(LABEL_WEST, 0);
+ g.translate(labelWidthWest, 0);
if (av.getScaleAboveWrapped())
{
}
gg.fillPolygon(
- new int[] { res * charWidth - charHeight / 4,
+ new int[]
+ { res * charWidth - charHeight / 4,
res * charWidth + charHeight / 4, res * charWidth },
- new int[] { ypos - (charHeight / 2),
- ypos - (charHeight / 2), ypos - (charHeight / 2) + 8 },
+ new int[]
+ { ypos - (charHeight / 2), ypos - (charHeight / 2),
+ ypos - (charHeight / 2) + 8 },
3);
}
annotations = new AnnotationPanel(av);
}
- annotations.renderer.drawComponent(annotations, av, g, -1,
- startRes, endx + 1);
+ annotations.renderer.drawComponent(annotations, av, g, -1, startRes,
+ endx + 1);
g.translate(0, -cHeight - ypos - 3);
}
g.setClip(clip);
- g.translate(-LABEL_WEST, 0);
+ g.translate(-labelWidthWest, 0);
- ypos += cHeight + getAnnotationHeight() + hgap;
+ ypos += cHeight + annotationHeight + hgap;
startRes += cWidth;
}
}
- AnnotationPanel annotations;
+ /*
+ * Draw a selection group over a wrapped alignment
+ */
+ private void drawWrappedSelection(Graphics2D g, SequenceGroup group,
+ int canvasWidth,
+ int canvasHeight, int startRes)
+ {
+ // 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()
+ .findColumnPosition(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
+ while ((ypos <= canvasHeight) && (startx < maxwidth))
+ {
+ // set end value to be start + width, or maxwidth, whichever is smaller
+ endx = startx + cWidth - 1;
+
+ if (endx > maxwidth)
+ {
+ endx = maxwidth;
+ }
+
+ g.translate(labelWidthWest, 0);
+
+ drawUnwrappedSelection(g, group, startx, endx, 0,
+ av.getAlignment().getHeight() - 1,
+ ypos);
+
+ g.translate(-labelWidthWest, 0);
+
+ // update vertical offset
+ ypos += cHeight + getAnnotationHeight() + hgap;
+
+ // update horizontal offset
+ startx += cWidth;
+ }
+ }
int getAnnotationHeight()
{
}
/**
- * DOCUMENT ME!
+ * Draws the visible region of the alignment on the graphics context. If there
+ * are hidden column markers in the visible region, then each sub-region
+ * between the markers is drawn separately, followed by the hidden column
+ * marker.
*
* @param g1
- * DOCUMENT ME!
+ * Graphics object to draw with
* @param startRes
- * DOCUMENT ME!
+ * offset of the first column in the visible region (0..)
* @param endRes
- * DOCUMENT ME!
+ * offset of the last column in the visible region (0..)
* @param startSeq
- * DOCUMENT ME!
+ * offset of the first sequence in the visible region (0..)
* @param endSeq
- * DOCUMENT ME!
- * @param offset
- * DOCUMENT ME!
+ * offset of the last sequence in the visible region (0..)
+ * @param yOffset
+ * vertical offset at which to draw (for wrapped alignments)
*/
- public void drawPanel(Graphics g1, int startRes, int endRes,
- int startSeq, int endSeq, int offset)
+ public void drawPanel(Graphics g1, final int startRes, final int endRes,
+ final int startSeq, final int endSeq, final int yOffset)
{
updateViewport();
if (!av.hasHiddenColumns())
{
- draw(g1, startRes, endRes, startSeq, endSeq, offset);
+ draw(g1, startRes, endRes, startSeq, endSeq, yOffset);
}
else
{
int screenY = 0;
+ final int screenYMax = endRes - startRes;
int blockStart = startRes;
int blockEnd = endRes;
continue;
}
- blockEnd = hideStart - 1;
+ /*
+ * draw up to just before the next hidden region, or the end of
+ * the visible region, whichever comes first
+ */
+ blockEnd = Math.min(hideStart - 1, blockStart + screenYMax
+ - screenY);
g1.translate(screenY * charWidth, 0);
- draw(g1, blockStart, blockEnd, startSeq, endSeq, offset);
+ draw(g1, blockStart, blockEnd, startSeq, endSeq, yOffset);
- if (av.getShowHiddenMarkers())
+ /*
+ * draw the downline of the hidden column marker (ScalePanel draws the
+ * triangle on top) if we reached it
+ */
+ if (av.getShowHiddenMarkers() && blockEnd == hideStart - 1)
{
g1.setColor(Color.blue);
g1.drawLine((blockEnd - blockStart + 1) * charWidth - 1,
- 0 + offset, (blockEnd - blockStart + 1) * charWidth - 1,
- (endSeq - startSeq + 1) * charHeight + offset);
+ 0 + yOffset, (blockEnd - blockStart + 1) * charWidth - 1,
+ (endSeq - startSeq + 1) * charHeight + yOffset);
}
g1.translate(-screenY * charWidth, 0);
screenY += blockEnd - blockStart + 1;
blockStart = hideEnd + 1;
- if (screenY > (endRes - startRes))
+ if (screenY > screenYMax)
{
// already rendered last block
return;
}
}
- if (screenY <= (endRes - startRes))
+ if (screenY <= screenYMax)
{
// remaining visible region to render
- blockEnd = blockStart + (endRes - startRes) - screenY;
+ blockEnd = blockStart + screenYMax - screenY;
g1.translate(screenY * charWidth, 0);
- draw(g1, blockStart, blockEnd, startSeq, endSeq, offset);
+ draw(g1, blockStart, blockEnd, startSeq, endSeq, yOffset);
g1.translate(-screenY * charWidth, 0);
}
}
- // int startRes, int endRes, int startSeq, int endSeq, int x, int y,
- // int x1, int x2, int y1, int y2, int startx, int starty,
+ /**
+ * Draws a region of the visible alignment
+ *
+ * @param g1
+ * @param startRes
+ * offset of the first column in the visible region (0..)
+ * @param endRes
+ * offset of the last column in the visible region (0..)
+ * @param startSeq
+ * offset of the first sequence in the visible region (0..)
+ * @param endSeq
+ * offset of the last sequence in the visible region (0..)
+ * @param yOffset
+ * vertical offset at which to draw (for wrapped alignments)
+ */
private void draw(Graphics g, int startRes, int endRes, int startSeq,
int endSeq, int offset)
{
g.setFont(av.getFont());
- sr.prepare(g, av.isRenderGaps());
+ seqRdr.prepare(g, av.isRenderGaps());
SequenceI nextSeq;
// empty
continue;
}
- sr.drawSequence(nextSeq, av.getAlignment().findAllGroups(nextSeq),
+ seqRdr.drawSequence(nextSeq, av.getAlignment().findAllGroups(nextSeq),
startRes, endRes, offset + ((i - startSeq) * charHeight));
if (av.isShowSequenceFeatures())
{
- fr.drawSequence(g, nextSeq, startRes, endRes, offset
- + ((i - startSeq) * charHeight), false);
+ fr.drawSequence(g, nextSeq, startRes, endRes,
+ offset + ((i - startSeq) * charHeight), false);
}
- // / Highlight search Results once all sequences have been drawn
- // ////////////////////////////////////////////////////////
+ /*
+ * highlight search Results once sequence has been drawn
+ */
if (av.hasSearchResults())
{
- int[] visibleResults = av.getSearchResults().getResults(nextSeq,
+ SearchResultsI searchResults = av.getSearchResults();
+ int[] visibleResults = searchResults.getResults(nextSeq,
startRes, endRes);
if (visibleResults != null)
{
for (int r = 0; r < visibleResults.length; r += 2)
{
- sr.drawHighlightedText(nextSeq, visibleResults[r],
+ seqRdr.drawHighlightedText(nextSeq, visibleResults[r],
visibleResults[r + 1], (visibleResults[r] - startRes)
* charWidth, offset
+ ((i - startSeq) * charHeight));
if (av.cursorMode && cursorY == i && cursorX >= startRes
&& cursorX <= endRes)
{
- sr.drawCursor(nextSeq, cursorX, (cursorX - startRes) * charWidth,
+ seqRdr.drawCursor(nextSeq, cursorX, (cursorX - startRes) * charWidth,
offset + ((i - startSeq) * charHeight));
}
}
// ///////////////////////////////////
// Now outline any areas if necessary
// ///////////////////////////////////
- SequenceGroup group = av.getSelectionGroup();
- int sx = -1;
- int sy = -1;
- int ex = -1;
+ SequenceGroup group = null;
int groupIndex = -1;
- int visWidth = (endRes - startRes + 1) * charWidth;
- if ((group == null) && (av.getAlignment().getGroups().size() > 0))
+ if (av.getAlignment().getGroups().size() > 0)
{
group = av.getAlignment().getGroups().get(0);
groupIndex = 0;
if (group != null)
{
+ g.setStroke(new BasicStroke());
+ g.setColor(group.getOutlineColour());
+
do
{
- int oldY = -1;
- int i = 0;
- boolean inGroup = false;
- int top = -1;
- int bottom = -1;
+ drawPartialGroupOutline(g, group, startRes, endRes, startSeq,
+ endSeq, offset);
+
+ groupIndex++;
- for (i = startSeq; i <= endSeq; i++)
+ g.setStroke(new BasicStroke());
+
+ if (groupIndex >= av.getAlignment().getGroups().size())
{
- sx = (group.getStartRes() - startRes) * charWidth;
- sy = offset + ((i - startSeq) * charHeight);
- ex = (((group.getEndRes() + 1) - group.getStartRes()) * charWidth) - 1;
+ break;
+ }
- if (sx + ex < 0 || sx > visWidth)
- {
- continue;
- }
+ group = av.getAlignment().getGroups().get(groupIndex);
- if ((sx <= (endRes - startRes) * charWidth)
- && group.getSequences(null).contains(
- av.getAlignment().getSequenceAt(i)))
- {
- if ((bottom == -1)
- && !group.getSequences(null).contains(
- av.getAlignment().getSequenceAt(i + 1)))
- {
- bottom = sy + charHeight;
- }
+ } while (groupIndex < av.getAlignment().getGroups().size());
- if (!inGroup)
- {
- if (((top == -1) && (i == 0))
- || !group.getSequences(null).contains(
- av.getAlignment().getSequenceAt(i - 1)))
- {
- top = sy;
- }
+ }
- oldY = sy;
- inGroup = true;
+ }
- if (group == av.getSelectionGroup())
- {
- g.setStroke(new BasicStroke(1, BasicStroke.CAP_BUTT,
- BasicStroke.JOIN_ROUND, 3f, new float[] { 5f, 3f },
- 0f));
- g.setColor(Color.RED);
- }
- else
- {
- g.setStroke(new BasicStroke());
- g.setColor(group.getOutlineColour());
- }
- }
- }
- else
- {
- if (inGroup)
- {
- if (sx >= 0 && sx < visWidth)
- {
- g.drawLine(sx, oldY, sx, sy);
- }
- if (sx + ex < visWidth)
- {
- g.drawLine(sx + ex, oldY, sx + ex, sy);
- }
+ /*
+ * Draw the selection group as a separate image and overlay
+ */
+ private BufferedImage drawSelectionGroup(int startRes, int endRes,
+ int startSeq, int endSeq)
+ {
+ // get a new image of the correct size
+ BufferedImage selectionImage = setupImage();
- if (sx < 0)
- {
- ex += sx;
- sx = 0;
- }
+ if (selectionImage == null)
+ {
+ return null;
+ }
- if (sx + ex > visWidth)
- {
- ex = visWidth;
- }
+ SequenceGroup group = av.getSelectionGroup();
+ if (group == null)
+ {
+ // nothing to draw
+ return null;
+ }
- else if (sx + ex >= (endRes - startRes + 1) * charWidth)
- {
- ex = (endRes - startRes + 1) * charWidth;
- }
+ // set up drawing colour
+ Graphics2D g = (Graphics2D) selectionImage.getGraphics();
- if (top != -1)
- {
- g.drawLine(sx, top, sx + ex, top);
- top = -1;
- }
+ setupSelectionGroup(g, selectionImage);
- if (bottom != -1)
- {
- g.drawLine(sx, bottom, sx + ex, bottom);
- bottom = -1;
- }
+ if (!av.getWrapAlignment())
+ {
+ drawUnwrappedSelection(g, group, startRes, endRes, startSeq, endSeq,
+ 0);
+ }
+ else
+ {
+ drawWrappedSelection(g, group, getWidth(), getHeight(),
+ av.getRanges().getStartRes());
+ }
- inGroup = false;
- }
- }
+ g.dispose();
+ return selectionImage;
+ }
+
+ /*
+ * Set up graphics for selection group
+ */
+ private void setupSelectionGroup(Graphics2D g,
+ BufferedImage selectionImage)
+ {
+ // set background to transparent
+ g.setComposite(AlphaComposite.getInstance(AlphaComposite.CLEAR, 0.0f));
+ g.fillRect(0, 0, selectionImage.getWidth(), selectionImage.getHeight());
+
+ // set up foreground to draw red dashed line
+ g.setComposite(AlphaComposite.Src);
+ g.setStroke(new BasicStroke(1, BasicStroke.CAP_BUTT,
+ BasicStroke.JOIN_ROUND, 3f, new float[]
+ { 5f, 3f }, 0f));
+ g.setColor(Color.RED);
+ }
+
+ /*
+ * Draw a selection group over an unwrapped alignment
+ * @param g graphics object to draw with
+ * @param group selection group
+ * @param startRes start residue of area to draw
+ * @param endRes end residue of area to draw
+ * @param startSeq start sequence of area to draw
+ * @param endSeq end sequence of area to draw
+ * @param offset vertical offset (used when called from wrapped alignment code)
+ */
+ private void drawUnwrappedSelection(Graphics2D g, SequenceGroup group,
+ int startRes, int endRes, int startSeq, int endSeq, int offset)
+ {
+ if (!av.hasHiddenColumns())
+ {
+ drawPartialGroupOutline(g, group, startRes, endRes, startSeq, endSeq,
+ offset);
+ }
+ else
+ {
+ // package into blocks of visible columns
+ int screenY = 0;
+ int blockStart = startRes;
+ int blockEnd = endRes;
+
+ for (int[] region : av.getAlignment().getHiddenColumns()
+ .getHiddenColumnsCopy())
+ {
+ int hideStart = region[0];
+ int hideEnd = region[1];
+
+ if (hideStart <= blockStart)
+ {
+ blockStart += (hideEnd - hideStart) + 1;
+ continue;
+ }
+
+ blockEnd = hideStart - 1;
+
+ g.translate(screenY * charWidth, 0);
+ drawPartialGroupOutline(g, group,
+ blockStart, blockEnd, startSeq, endSeq, offset);
+
+ g.translate(-screenY * charWidth, 0);
+ screenY += blockEnd - blockStart + 1;
+ blockStart = hideEnd + 1;
+
+ if (screenY > (endRes - startRes))
+ {
+ // already rendered last block
+ break;
}
+ }
+ if (screenY <= (endRes - startRes))
+ {
+ // remaining visible region to render
+ blockEnd = blockStart + (endRes - startRes) - screenY;
+ g.translate(screenY * charWidth, 0);
+ drawPartialGroupOutline(g, group,
+ blockStart, blockEnd, startSeq, endSeq, offset);
+
+ g.translate(-screenY * charWidth, 0);
+ }
+ }
+ }
+
+ /*
+ * Draw the selection group as a separate image and overlay
+ */
+ private void drawPartialGroupOutline(Graphics2D g, SequenceGroup group,
+ int startRes, int endRes, int startSeq, int endSeq,
+ int verticalOffset)
+ {
+ int visWidth = (endRes - startRes + 1) * charWidth;
+
+ int oldY = -1;
+ int i = 0;
+ boolean inGroup = false;
+ int top = -1;
+ int bottom = -1;
+
+ int sx = -1;
+ int sy = -1;
+ int xwidth = -1;
+
+ for (i = startSeq; i <= endSeq; i++)
+ {
+ // position of start residue of group relative to startRes, in pixels
+ sx = (group.getStartRes() - startRes) * charWidth;
+
+ // width of group in pixels
+ xwidth = (((group.getEndRes() + 1) - group.getStartRes()) * charWidth)
+ - 1;
+
+ sy = verticalOffset + (i - startSeq) * charHeight;
+
+ if (sx + xwidth < 0 || sx > visWidth)
+ {
+ continue;
+ }
+
+ if ((sx <= (endRes - startRes) * charWidth)
+ && group.getSequences(null)
+ .contains(av.getAlignment().getSequenceAt(i)))
+ {
+ if ((bottom == -1) && !group.getSequences(null)
+ .contains(av.getAlignment().getSequenceAt(i + 1)))
+ {
+ bottom = sy + charHeight;
+ }
+
+ if (!inGroup)
+ {
+ if (((top == -1) && (i == 0)) || !group.getSequences(null)
+ .contains(av.getAlignment().getSequenceAt(i - 1)))
+ {
+ top = sy;
+ }
+
+ oldY = sy;
+ inGroup = true;
+ }
+ }
+ else
+ {
if (inGroup)
{
- sy = offset + ((i - startSeq) * charHeight);
+ // if start position is visible, draw vertical line to left of
+ // group
if (sx >= 0 && sx < visWidth)
{
g.drawLine(sx, oldY, sx, sy);
}
- if (sx + ex < visWidth)
+ // if end position is visible, draw vertical line to right of
+ // group
+ if (sx + xwidth < visWidth)
{
- g.drawLine(sx + ex, oldY, sx + ex, sy);
+ g.drawLine(sx + xwidth, oldY, sx + xwidth, sy);
}
if (sx < 0)
{
- ex += sx;
+ xwidth += sx;
sx = 0;
}
- if (sx + ex > visWidth)
+ // don't let width extend beyond current block, or group extent
+ // fixes JAL-2672
+ if (sx + xwidth >= (endRes - startRes + 1) * charWidth)
{
- ex = visWidth;
+ xwidth = (endRes - startRes + 1) * charWidth - sx;
}
- else if (sx + ex >= (endRes - startRes + 1) * charWidth)
- {
- ex = (endRes - startRes + 1) * charWidth;
- }
-
+
+ // draw horizontal line at top of group
if (top != -1)
{
- g.drawLine(sx, top, sx + ex, top);
+ g.drawLine(sx, top, sx + xwidth, top);
top = -1;
}
+ // draw horizontal line at bottom of group
if (bottom != -1)
{
- g.drawLine(sx, bottom - 1, sx + ex, bottom - 1);
+ g.drawLine(sx, bottom, sx + xwidth, bottom);
bottom = -1;
}
inGroup = false;
}
+ }
+ }
- groupIndex++;
+ if (inGroup)
+ {
+ sy = verticalOffset + ((i - startSeq) * charHeight);
+ if (sx >= 0 && sx < visWidth)
+ {
+ g.drawLine(sx, oldY, sx, sy);
+ }
- g.setStroke(new BasicStroke());
+ if (sx + xwidth < visWidth)
+ {
+ g.drawLine(sx + xwidth, oldY, sx + xwidth, sy);
+ }
- if (groupIndex >= av.getAlignment().getGroups().size())
- {
- break;
- }
+ if (sx < 0)
+ {
+ xwidth += sx;
+ sx = 0;
+ }
- group = av.getAlignment().getGroups().get(groupIndex);
+ if (sx + xwidth > visWidth)
+ {
+ xwidth = visWidth;
+ }
+ else if (sx + xwidth >= (endRes - startRes + 1) * charWidth)
+ {
+ xwidth = (endRes - startRes + 1) * charWidth;
+ }
- } while (groupIndex < av.getAlignment().getGroups().size());
+ if (top != -1)
+ {
+ g.drawLine(sx, top, sx + xwidth, top);
+ top = -1;
+ }
+ if (bottom != -1)
+ {
+ g.drawLine(sx, bottom - 1, sx + xwidth, bottom - 1);
+ bottom = -1;
+ }
+
+ inGroup = 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.
+ * <p>
+ * Currently fastPaint is not implemented for wrapped alignments. If a wrapped
+ * alignment had to be scrolled to show the highlighted region, then it should
+ * be fully redrawn, otherwise a fast paint can be performed. This argument
+ * could be removed if fast paint of scrolled wrapped alignment is coded in
+ * future (JAL-2609).
+ *
+ * @param results
+ * @param noFastPaint
+ * @return
+ */
+ public boolean highlightSearchResults(SearchResultsI results,
+ boolean noFastPaint)
+ {
+ if (fastpainting)
+ {
+ return false;
}
+ boolean wrapped = av.getWrapAlignment();
+
+ try
+ {
+ fastPaint = !noFastPaint;
+ fastpainting = fastPaint;
+
+ updateViewport();
+
+ /*
+ * to avoid redrawing the whole visible region, we instead
+ * redraw just the minimal regions to remove previous highlights
+ * and add new ones
+ */
+ SearchResultsI previous = av.getSearchResults();
+ av.setSearchResults(results);
+ boolean redrawn = false;
+ boolean drawn = false;
+ if (wrapped)
+ {
+ redrawn = drawMappedPositionsWrapped(previous);
+ drawn = drawMappedPositionsWrapped(results);
+ redrawn |= drawn;
+ }
+ else
+ {
+ redrawn = drawMappedPositions(previous);
+ drawn = drawMappedPositions(results);
+ redrawn |= drawn;
+ }
+
+ /*
+ * if highlights were either removed or added, repaint
+ */
+ if (redrawn)
+ {
+ repaint();
+ }
+ /*
+ * return true only if highlights were added
+ */
+ return drawn;
+
+ } finally
+ {
+ fastpainting = false;
+ }
}
/**
- * DOCUMENT ME!
+ * Redraws the minimal rectangle in the visible region (if any) that includes
+ * mapped positions of the given search results. Whether or not positions are
+ * highlighted depends on the SearchResults set on the Viewport. This allows
+ * this method to be called to either clear or set highlighting. Answers true
+ * if any positions were drawn (in which case a repaint is still required),
+ * else false.
*
* @param results
- * DOCUMENT ME!
+ * @return
*/
- public void highlightSearchResults(SearchResultsI results)
+ protected boolean drawMappedPositions(SearchResultsI results)
{
- img = null;
+ if (results == null)
+ {
+ return false;
+ }
- av.setSearchResults(results);
+ /*
+ * calculate the minimal rectangle to redraw that
+ * includes both new and existing search results
+ */
+ int firstSeq = Integer.MAX_VALUE;
+ int lastSeq = -1;
+ int firstCol = Integer.MAX_VALUE;
+ int lastCol = -1;
+ boolean matchFound = false;
- repaint();
+ ViewportRanges ranges = av.getRanges();
+ int firstVisibleColumn = ranges.getStartRes();
+ int lastVisibleColumn = ranges.getEndRes();
+ AlignmentI alignment = av.getAlignment();
+ if (av.hasHiddenColumns())
+ {
+ firstVisibleColumn = alignment.getHiddenColumns()
+ .adjustForHiddenColumns(firstVisibleColumn);
+ lastVisibleColumn = alignment.getHiddenColumns()
+ .adjustForHiddenColumns(lastVisibleColumn);
+ }
+
+ for (int seqNo = ranges.getStartSeq(); seqNo <= ranges
+ .getEndSeq(); seqNo++)
+ {
+ SequenceI seq = alignment.getSequenceAt(seqNo);
+
+ int[] visibleResults = results.getResults(seq, firstVisibleColumn,
+ lastVisibleColumn);
+ if (visibleResults != null)
+ {
+ for (int i = 0; i < visibleResults.length - 1; i += 2)
+ {
+ int firstMatchedColumn = visibleResults[i];
+ int lastMatchedColumn = visibleResults[i + 1];
+ if (firstMatchedColumn <= lastVisibleColumn
+ && lastMatchedColumn >= firstVisibleColumn)
+ {
+ /*
+ * found a search results match in the visible region -
+ * remember the first and last sequence matched, and the first
+ * and last visible columns in the matched positions
+ */
+ matchFound = true;
+ firstSeq = Math.min(firstSeq, seqNo);
+ lastSeq = Math.max(lastSeq, seqNo);
+ firstMatchedColumn = Math.max(firstMatchedColumn,
+ firstVisibleColumn);
+ lastMatchedColumn = Math.min(lastMatchedColumn,
+ lastVisibleColumn);
+ firstCol = Math.min(firstCol, firstMatchedColumn);
+ lastCol = Math.max(lastCol, lastMatchedColumn);
+ }
+ }
+ }
+ }
+
+ if (matchFound)
+ {
+ if (av.hasHiddenColumns())
+ {
+ firstCol = alignment.getHiddenColumns()
+ .findColumnPosition(firstCol);
+ lastCol = alignment.getHiddenColumns().findColumnPosition(lastCol);
+ }
+ int transX = (firstCol - ranges.getStartRes()) * av.getCharWidth();
+ int transY = (firstSeq - ranges.getStartSeq()) * av.getCharHeight();
+ gg.translate(transX, transY);
+ drawPanel(gg, firstCol, lastCol, firstSeq, lastSeq, 0);
+ gg.translate(-transX, -transY);
+ }
+
+ return matchFound;
}
@Override
{
String eventName = evt.getPropertyName();
- if (av.getWrapAlignment())
+ if (eventName.equals(SequenceGroup.SEQ_GROUP_CHANGED))
+ {
+ fastPaint = true;
+ repaint();
+ }
+ else if (av.getWrapAlignment())
{
if (eventName.equals(ViewportRanges.STARTRES))
{
}
}
}
+
+ /**
+ * Redraws any positions in the search results in the visible region of a
+ * wrapped alignment. Any highlights are drawn depending on the search results
+ * set on the Viewport, not the <code>results</code> argument. This allows
+ * this method to be called either to clear highlights (passing the previous
+ * search results), or to draw new highlights.
+ *
+ * @param results
+ * @return
+ */
+ protected boolean drawMappedPositionsWrapped(SearchResultsI results)
+ {
+ if (results == null)
+ {
+ return false;
+ }
+
+ boolean matchFound = false;
+
+ int wrappedWidth = av.getWrappedWidth();
+ int wrappedHeight = getRepeatHeightWrapped();
+
+ ViewportRanges ranges = av.getRanges();
+ int canvasHeight = getHeight();
+ int repeats = canvasHeight / wrappedHeight;
+ if (canvasHeight / wrappedHeight > 0)
+ {
+ repeats++;
+ }
+
+ int firstVisibleColumn = ranges.getStartRes();
+ int lastVisibleColumn = ranges.getStartRes() + repeats
+ * ranges.getViewportWidth() - 1;
+
+ AlignmentI alignment = av.getAlignment();
+ if (av.hasHiddenColumns())
+ {
+ firstVisibleColumn = alignment.getHiddenColumns()
+ .adjustForHiddenColumns(firstVisibleColumn);
+ lastVisibleColumn = alignment.getHiddenColumns()
+ .adjustForHiddenColumns(lastVisibleColumn);
+ }
+
+ int gapHeight = charHeight * (av.getScaleAboveWrapped() ? 2 : 1);
+
+ for (int seqNo = ranges.getStartSeq(); seqNo <= ranges
+ .getEndSeq(); seqNo++)
+ {
+ SequenceI seq = alignment.getSequenceAt(seqNo);
+
+ int[] visibleResults = results.getResults(seq, firstVisibleColumn,
+ lastVisibleColumn);
+ if (visibleResults != null)
+ {
+ for (int i = 0; i < visibleResults.length - 1; i += 2)
+ {
+ int firstMatchedColumn = visibleResults[i];
+ int lastMatchedColumn = visibleResults[i + 1];
+ if (firstMatchedColumn <= lastVisibleColumn
+ && lastMatchedColumn >= firstVisibleColumn)
+ {
+ /*
+ * found a search results match in the visible region
+ */
+ firstMatchedColumn = Math.max(firstMatchedColumn,
+ firstVisibleColumn);
+ lastMatchedColumn = Math.min(lastMatchedColumn,
+ lastVisibleColumn);
+
+ /*
+ * draw each mapped position separately (as contiguous positions may
+ * wrap across lines)
+ */
+ for (int mappedPos = firstMatchedColumn; mappedPos <= lastMatchedColumn; mappedPos++)
+ {
+ int displayColumn = mappedPos;
+ if (av.hasHiddenColumns())
+ {
+ displayColumn = alignment.getHiddenColumns()
+ .findColumnPosition(displayColumn);
+ }
+
+ /*
+ * transX: offset from left edge of canvas to residue position
+ */
+ int transX = labelWidthWest
+ + ((displayColumn - ranges.getStartRes()) % wrappedWidth)
+ * av.getCharWidth();
+
+ /*
+ * transY: offset from top edge of canvas to residue position
+ */
+ int transY = gapHeight;
+ transY += (displayColumn - ranges.getStartRes())
+ / wrappedWidth * wrappedHeight;
+ transY += (seqNo - ranges.getStartSeq()) * av.getCharHeight();
+
+ /*
+ * yOffset is from graphics origin to start of visible region
+ */
+ int yOffset = 0;// (displayColumn / wrappedWidth) * wrappedHeight;
+ if (transY < getHeight())
+ {
+ matchFound = true;
+ gg.translate(transX, transY);
+ drawPanel(gg, displayColumn, displayColumn, seqNo, seqNo,
+ yOffset);
+ gg.translate(-transX, -transY);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ return matchFound;
+ }
+
+ /**
+ * Answers the height in pixels of a repeating section of the wrapped
+ * alignment, including space above, scale above if shown, sequences, and
+ * annotation panel if shown
+ *
+ * @return
+ */
+ protected int getRepeatHeightWrapped()
+ {
+ // gap (and maybe scale) above
+ int repeatHeight = charHeight * (av.getScaleAboveWrapped() ? 2 : 1);
+
+ // add sequences
+ repeatHeight += av.getRanges().getViewportHeight() * charHeight;
+
+ // add annotations panel height if shown
+ repeatHeight += getAnnotationHeight();
+
+ return repeatHeight;
+ }
}
git://source.jalview.org / jalview.git / blobdiff