X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FSeqCanvas.java;h=bd2862a3b8affddc0858182222080e86f83011fd;hb=875193c17720b95fa13a38703b1dd63949e12ca9;hp=c0dd1b02952be3df256369ef38fb27e119abd15a;hpb=1c61dd81d8929f0e364fd534924ea7728d3ebc7b;p=jalview.git diff --git a/src/jalview/gui/SeqCanvas.java b/src/jalview/gui/SeqCanvas.java index c0dd1b0..bd2862a 100755 --- a/src/jalview/gui/SeqCanvas.java +++ b/src/jalview/gui/SeqCanvas.java @@ -27,6 +27,7 @@ import jalview.datamodel.SequenceGroup; import jalview.datamodel.SequenceI; import jalview.renderer.ScaleRenderer; import jalview.renderer.ScaleRenderer.ScaleMark; +import jalview.util.Comparison; import jalview.viewmodel.ViewportListenerI; import jalview.viewmodel.ViewportRanges; @@ -46,51 +47,56 @@ import java.util.List; import javax.swing.JComponent; /** - * DOCUMENT ME! + * The Swing component on which the alignment sequences, and annotations (if + * shown), are drawn. This includes scales above, left and right (if shown) in + * Wrapped mode, but not the scale above in Unwrapped mode. * - * @author $author$ - * @version $Revision$ */ public class SeqCanvas extends JComponent implements ViewportListenerI { - final FeatureRenderer fr; + private static final String ZEROS = "0000000000"; - final SequenceRenderer seqRdr; + final FeatureRenderer fr; BufferedImage img; - Graphics2D gg; - AlignViewport av; - boolean fastPaint = false; + int cursorX = 0; - int LABEL_WEST; + int cursorY = 0; - int LABEL_EAST; + private final SequenceRenderer seqRdr; - int cursorX = 0; + private boolean fastPaint = false; - int cursorY = 0; + private boolean fastpainting = false; - int charHeight = 0; + private AnnotationPanel annotations; - int charWidth = 0; + /* + * measurements for drawing a wrapped alignment + */ + private int labelWidthEast; // label right width in pixels if shown + + private int labelWidthWest; // label left width in pixels if shown - boolean fastpainting = false; + private int wrappedSpaceAboveAlignment; // gap between widths - AnnotationPanel annotations; + private int wrappedRepeatHeightPx; // height in pixels of wrapped width + + private int wrappedVisibleWidths; // number of wrapped widths displayed + + private Graphics2D gg; /** * Creates a new SeqCanvas object. * - * @param av - * DOCUMENT ME! + * @param ap */ public SeqCanvas(AlignmentPanel ap) { this.av = ap.av; - updateViewport(); fr = new FeatureRenderer(ap); seqRdr = new SequenceRenderer(av); setLayout(new BorderLayout()); @@ -110,29 +116,36 @@ public class SeqCanvas extends JComponent implements ViewportListenerI return fr; } - private void updateViewport() - { - charHeight = av.getCharHeight(); - charWidth = av.getCharWidth(); - } - /** - * DOCUMENT ME! + * Draws the scale above a region of a wrapped alignment, consisting of a + * column number every major interval (10 columns). * * @param g - * DOCUMENT ME! + * the graphics context to draw on, positioned at the start (bottom + * left) of the line on which to draw any scale marks * @param startx - * DOCUMENT ME! + * start alignment column (0..) * @param endx - * DOCUMENT ME! + * end alignment column (0..) * @param ypos - * DOCUMENT ME! + * y offset to draw at */ private void drawNorthScale(Graphics g, int startx, int endx, int ypos) { - updateViewport(); - for (ScaleMark mark : new ScaleRenderer().calculateMarks(av, startx, - endx)) + int charHeight = av.getCharHeight(); + int charWidth = av.getCharWidth(); + + /* + * white fill the scale space (for the fastPaint case) + */ + g.setColor(Color.white); + g.fillRect(0, ypos - charHeight - charHeight / 2, getWidth(), + charHeight * 3 / 2 + 2); + g.setColor(Color.black); + + List marks = new ScaleRenderer().calculateMarks(av, startx, + endx); + for (ScaleMark mark : marks) { int mpos = mark.column; // (i - startx - 1) if (mpos < 0) @@ -147,137 +160,119 @@ public class SeqCanvas extends JComponent implements ViewportListenerI { g.drawString(mstring, mpos * charWidth, ypos - (charHeight / 2)); } - g.drawLine((mpos * charWidth) + (charWidth / 2), - (ypos + 2) - (charHeight / 2), - (mpos * charWidth) + (charWidth / 2), ypos - 2); + + /* + * draw a tick mark below the column number, centred on the column; + * height of tick mark is 4 pixels less than half a character + */ + int xpos = (mpos * charWidth) + (charWidth / 2); + g.drawLine(xpos, (ypos + 2) - (charHeight / 2), xpos, ypos - 2); } } } /** - * DOCUMENT ME! + * Draw the scale to the left or right of a wrapped alignment * * @param g - * DOCUMENT ME! + * graphics context, positioned at the start of the scale to be drawn * @param startx - * DOCUMENT ME! + * first column of wrapped width (0.. excluding any hidden columns) * @param endx - * DOCUMENT ME! + * last column of wrapped width (0.. excluding any hidden columns) * @param ypos - * DOCUMENT ME! + * vertical offset at which to begin the scale + * @param left + * if true, scale is left of residues, if false, scale is right */ - void drawWestScale(Graphics g, int startx, int endx, int ypos) + void drawVerticalScale(Graphics g, final int startx, final int endx, + final int ypos, final boolean left) { - FontMetrics fm = getFontMetrics(av.getFont()); - ypos += charHeight; + int charHeight = av.getCharHeight(); + int charWidth = av.getCharWidth(); - if (av.hasHiddenColumns()) - { - startx = av.getAlignment().getHiddenColumns() - .adjustForHiddenColumns(startx); - endx = av.getAlignment().getHiddenColumns() - .adjustForHiddenColumns(endx); - } + int yPos = ypos + charHeight; + int startX = startx; + int endX = endx; - int maxwidth = av.getAlignment().getWidth(); if (av.hasHiddenColumns()) { - maxwidth = av.getAlignment().getHiddenColumns() - .findColumnPosition(maxwidth) - 1; + HiddenColumns hiddenColumns = av.getAlignment().getHiddenColumns(); + startX = hiddenColumns.adjustForHiddenColumns(startx); + endX = hiddenColumns.adjustForHiddenColumns(endx); } + FontMetrics fm = getFontMetrics(av.getFont()); - // WEST SCALE for (int i = 0; i < av.getAlignment().getHeight(); i++) { SequenceI seq = av.getAlignment().getSequenceAt(i); - int index = startx; - int value = -1; - while (index < endx) + /* + * find sequence position of first non-gapped position - + * to the right if scale left, to the left if scale right + */ + int index = left ? startX : endX; + int value = -1; + while (index >= startX && index <= endX) { - if (jalview.util.Comparison.isGap(seq.getCharAt(index))) + if (!Comparison.isGap(seq.getCharAt(index))) + { + value = seq.findPosition(index); + break; + } + if (left) { index++; - - continue; } - - value = av.getAlignment().getSequenceAt(i).findPosition(index); - - break; - } - - if (value != -1) - { - int x = LABEL_WEST - fm.stringWidth(String.valueOf(value)) - - charWidth / 2; - g.drawString(value + "", x, - (ypos + (i * charHeight)) - (charHeight / 5)); - } - } - } - - /** - * DOCUMENT ME! - * - * @param g - * DOCUMENT ME! - * @param startx - * DOCUMENT ME! - * @param endx - * DOCUMENT ME! - * @param ypos - * DOCUMENT ME! - */ - void drawEastScale(Graphics g, int startx, int endx, int ypos) - { - ypos += charHeight; - - if (av.hasHiddenColumns()) - { - endx = av.getAlignment().getHiddenColumns() - .adjustForHiddenColumns(endx); - } - - SequenceI seq; - // EAST SCALE - for (int i = 0; i < av.getAlignment().getHeight(); i++) - { - seq = av.getAlignment().getSequenceAt(i); - int index = endx; - int value = -1; - - while (index > startx) - { - if (jalview.util.Comparison.isGap(seq.getCharAt(index))) + else { index--; - - continue; } - - value = seq.findPosition(index); - - break; } + /* + * white fill the space for the scale + */ + g.setColor(Color.white); + int y = (yPos + (i * charHeight)) - (charHeight / 5); + // fillRect origin is top left of rectangle + g.fillRect(0, y - charHeight, left ? labelWidthWest : labelWidthEast, + charHeight + 1); + if (value != -1) { - g.drawString(String.valueOf(value), 0, - (ypos + (i * charHeight)) - (charHeight / 5)); + /* + * draw scale value, right justified within its width less half a + * character width padding on the right + */ + int labelSpace = left ? labelWidthWest : labelWidthEast; + labelSpace -= charWidth / 2; // leave space to the right + String valueAsString = String.valueOf(value); + int labelLength = fm.stringWidth(valueAsString); + int xOffset = labelSpace - labelLength; + g.setColor(Color.black); + g.drawString(valueAsString, xOffset, y); } } } - /** - * need to make this thread safe move alignment rendering in response to - * slider adjustment + * Does a fast paint of an alignment in response to a scroll. Most of the + * visible region is simply copied and shifted, and then any newly visible + * columns or rows are drawn. The scroll may be horizontal or vertical, but + * not both at once. Scrolling may be the result of + * * * @param horizontal - * shift along + * columns to shift right (positive) or left (negative) * @param vertical - * shift up or down in repaint + * rows to shift down (positive) or up (negative) */ public void fastPaint(int horizontal, int vertical) { @@ -287,15 +282,19 @@ public class SeqCanvas extends JComponent implements ViewportListenerI } fastpainting = true; fastPaint = true; - updateViewport(); - ViewportRanges ranges = av.getRanges(); - int sr = ranges.getStartRes(); - int er = ranges.getEndRes(); - int ss = ranges.getStartSeq(); - int es = ranges.getEndSeq(); - int transX = 0; - int transY = 0; + try + { + int charHeight = av.getCharHeight(); + int charWidth = av.getCharWidth(); + + ViewportRanges ranges = av.getRanges(); + 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, img.getWidth(), img.getHeight(), -horizontal * charWidth, @@ -303,20 +302,20 @@ public class SeqCanvas extends JComponent implements ViewportListenerI if (horizontal > 0) // scrollbar pulled right, image to the left { - transX = (er - sr - horizontal) * charWidth; - sr = er - horizontal; + transX = (endRes - startRes - horizontal) * charWidth; + startRes = endRes - horizontal; } else if (horizontal < 0) { - er = sr - horizontal; + endRes = startRes - horizontal; } else if (vertical > 0) // scroll down { - ss = es - vertical; + startSeq = endSeq - vertical; - if (ss < ranges.getStartSeq()) + if (startSeq < ranges.getStartSeq()) { // ie scrolling too fast, more than a page at a time - ss = ranges.getStartSeq(); + startSeq = ranges.getStartSeq(); } else { @@ -325,38 +324,32 @@ public class SeqCanvas extends JComponent implements ViewportListenerI } else if (vertical < 0) { - es = ss - vertical; + endSeq = startSeq - vertical; - if (es > ranges.getEndSeq()) + if (endSeq > ranges.getEndSeq()) { - es = ranges.getEndSeq(); + endSeq = ranges.getEndSeq(); } } gg.translate(transX, transY); - drawPanel(gg, sr, er, ss, es, 0); + drawPanel(gg, startRes, endRes, startSeq, endSeq, 0); gg.translate(-transX, -transY); repaint(); - fastpainting = false; + } finally + { + 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) { - super.paintComponent(g); - - updateViewport(); + super.paintComponent(g); + + int charHeight = av.getCharHeight(); + int charWidth = av.getCharWidth(); ViewportRanges ranges = av.getRanges(); @@ -371,11 +364,14 @@ public class SeqCanvas extends JComponent implements ViewportListenerI ranges.getStartRes(), ranges.getEndRes(), ranges.getStartSeq(), ranges.getEndSeq()); + BufferedImage cursorImage = drawCursor(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); + BufferedImage lcimg = buildLocalImage(selectImage, cursorImage); g.drawImage(lcimg, 0, 0, this); fastPaint = false; } @@ -415,11 +411,11 @@ public class SeqCanvas extends JComponent implements ViewportListenerI } // lcimg is a local *copy* of img which we'll draw selectImage on top of - BufferedImage lcimg = buildLocalImage(selectImage); + BufferedImage lcimg = buildLocalImage(selectImage, cursorImage); g.drawImage(lcimg, 0, 0, this); } } - + /** * Draw an alignment panel for printing * @@ -500,7 +496,8 @@ public class SeqCanvas extends JComponent implements ViewportListenerI * Make a local image by combining the cached image img * with any selection */ - private BufferedImage buildLocalImage(BufferedImage selectImage) + private BufferedImage buildLocalImage(BufferedImage selectImage, + BufferedImage cursorImage) { // clone the cached image BufferedImage lcimg = new BufferedImage(img.getWidth(), img.getHeight(), @@ -515,6 +512,12 @@ public class SeqCanvas extends JComponent implements ViewportListenerI AlphaComposite.getInstance(AlphaComposite.SRC_OVER)); g2d.drawImage(selectImage, 0, 0, this); } + // overlay cursor on lcimg + if (cursorImage != null) + { + g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER)); + g2d.drawImage(cursorImage, 0, 0, this); + } g2d.dispose(); return lcimg; @@ -527,6 +530,9 @@ public class SeqCanvas extends JComponent implements ViewportListenerI { BufferedImage lcimg = null; + int charWidth = av.getCharWidth(); + int charHeight = av.getCharHeight(); + int width = getWidth(); int height = getHeight(); @@ -556,207 +562,356 @@ public class SeqCanvas extends JComponent implements ViewportListenerI } /** - * DOCUMENT ME! + * Returns the visible width of the canvas in residues, after allowing for + * East or West scales (if shown) * - * @param cwidth - * DOCUMENT ME! + * @param canvasWidth + * the width in pixels (possibly including scales) * - * @return DOCUMENT ME! + * @return */ - public int getWrappedCanvasWidth(int cwidth) + public int getWrappedCanvasWidth(int canvasWidth) { - FontMetrics fm = getFontMetrics(av.getFont()); + int charWidth = av.getCharWidth(); - LABEL_EAST = 0; - LABEL_WEST = 0; + FontMetrics fm = getFontMetrics(av.getFont()); - if (av.getScaleRightWrapped()) + int labelWidth = 0; + + if (av.getScaleRightWrapped() || av.getScaleLeftWrapped()) { - LABEL_EAST = fm.stringWidth(getMask()); + labelWidth = getLabelWidth(fm); } - if (av.getScaleLeftWrapped()) - { - LABEL_WEST = fm.stringWidth(getMask()); - } + labelWidthEast = av.getScaleRightWrapped() ? labelWidth : 0; + + labelWidthWest = av.getScaleLeftWrapped() ? labelWidth : 0; - return (cwidth - LABEL_EAST - LABEL_WEST) / charWidth; + return (canvasWidth - labelWidthEast - labelWidthWest) / charWidth; } /** - * Generates a string of zeroes. + * Returns a pixel width sufficient to show the largest sequence coordinate + * (end position) in the alignment, calculated as the FontMetrics width of + * zeroes "0000000" limited to the number of decimal digits to be shown (3 for + * 1-10, 4 for 11-99 etc). One character width is added to this, to allow for + * half a character width space on either side. * - * @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 = 0; for (int i = maxWidth; i > 0; i /= 10) { - mask += "0"; + length++; } - return mask; + + return fm.stringWidth(ZEROS.substring(0, length)) + av.getCharWidth(); } /** - * DOCUMENT ME! + * Draws as many widths of a wrapped alignment as can fit in the visible + * window * * @param g - * DOCUMENT ME! * @param canvasWidth - * DOCUMENT ME! + * available width in pixels * @param canvasHeight - * DOCUMENT ME! - * @param startRes - * DOCUMENT ME! + * available height in pixels + * @param startColumn + * the first column (0...) of the alignment to draw */ - private void drawWrappedPanel(Graphics g, int canvasWidth, - int canvasHeight, int startRes) + public void drawWrappedPanel(Graphics g, int canvasWidth, + int canvasHeight, final int startColumn) { - updateViewport(); - AlignmentI al = av.getAlignment(); - - FontMetrics fm = getFontMetrics(av.getFont()); + int wrappedWidthInResidues = calculateWrappedGeometry(canvasWidth, + canvasHeight); - LABEL_EAST = 0; - LABEL_WEST = 0; + av.setWrappedWidth(wrappedWidthInResidues); - if (av.getScaleRightWrapped()) + ViewportRanges ranges = av.getRanges(); + ranges.setViewportStartAndWidth(startColumn, wrappedWidthInResidues); + + /* + * draw one width at a time (including any scales or annotation shown), + * until we have run out of either alignment or vertical space available + */ + int ypos = wrappedSpaceAboveAlignment; + int maxWidth = ranges.getVisibleAlignmentWidth(); + + int start = startColumn; + int currentWidth = 0; + while ((currentWidth < wrappedVisibleWidths) && (start < maxWidth)) { - LABEL_EAST = fm.stringWidth(getMask()); + int endColumn = Math + .min(maxWidth, start + wrappedWidthInResidues - 1); + drawWrappedWidth(g, ypos, start, endColumn, canvasHeight); + ypos += wrappedRepeatHeightPx; + start += wrappedWidthInResidues; + currentWidth++; } - if (av.getScaleLeftWrapped()) + drawWrappedDecorators(g, startColumn); + } + + /** + * Calculates and saves values needed when rendering a wrapped alignment. + * These depend on many factors, including + * + * + * @param canvasWidth + * @param canvasHeight + * @return the number of residue columns in each width + */ + protected int calculateWrappedGeometry(int canvasWidth, int canvasHeight) + { + int charHeight = av.getCharHeight(); + + /* + * vertical space in pixels between wrapped widths of alignment + * - one character height, or two if scale above is drawn + */ + wrappedSpaceAboveAlignment = charHeight + * (av.getScaleAboveWrapped() ? 2 : 1); + + /* + * height in pixels of the wrapped widths + */ + wrappedRepeatHeightPx = wrappedSpaceAboveAlignment; + // add sequences + wrappedRepeatHeightPx += av.getRanges().getViewportHeight() + * charHeight; + // add annotations panel height if shown + wrappedRepeatHeightPx += getAnnotationHeight(); + + /* + * number of visible widths (the last one may be part height), + * ensuring a part height includes at least one sequence + */ + ViewportRanges ranges = av.getRanges(); + wrappedVisibleWidths = canvasHeight / wrappedRepeatHeightPx; + int remainder = canvasHeight % wrappedRepeatHeightPx; + if (remainder >= (wrappedSpaceAboveAlignment + charHeight)) { - LABEL_WEST = fm.stringWidth(getMask()); + wrappedVisibleWidths++; } - int hgap = charHeight; - if (av.getScaleAboveWrapped()) + /* + * compute width in residues; this also sets East and West label widths + */ + int wrappedWidthInResidues = getWrappedCanvasWidth(canvasWidth); + + /* + * limit visibleWidths to not exceed width of alignment + */ + int xMax = ranges.getVisibleAlignmentWidth(); + int startToEnd = xMax - ranges.getStartRes(); + int maxWidths = startToEnd / wrappedWidthInResidues; + if (startToEnd % wrappedWidthInResidues > 0) { - hgap += charHeight; + maxWidths++; } + wrappedVisibleWidths = Math.min(wrappedVisibleWidths, maxWidths); - int cWidth = (canvasWidth - LABEL_EAST - LABEL_WEST) / charWidth; - int cHeight = av.getAlignment().getHeight() * charHeight; + return wrappedWidthInResidues; + } - av.setWrappedWidth(cWidth); + /** + * Draws one width of a wrapped alignment, including sequences and + * annnotations, if shown, but not scales or hidden column markers + * + * @param g + * @param ypos + * @param startColumn + * @param endColumn + * @param canvasHeight + */ + protected void drawWrappedWidth(Graphics g, int ypos, int startColumn, + int endColumn, int canvasHeight) + { + ViewportRanges ranges = av.getRanges(); + int viewportWidth = ranges.getViewportWidth(); + + int endx = Math.min(startColumn + viewportWidth - 1, endColumn); + + /* + * move right before drawing by the width of the scale left (if any) + * plus column offset from left margin (usually zero, but may be non-zero + * when fast painting is drawing just a few columns) + */ + 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(); + + if (clip == null) + { + g.setClip(0, 0, viewportWidth * charWidth, canvasHeight); + } + else + { + g.setClip(0, (int) clip.getBounds().getY(), + viewportWidth * charWidth, (int) clip.getBounds().getHeight()); + } - av.getRanges().setViewportStartAndWidth(startRes, cWidth); + /* + * white fill the region to be drawn (so incremental fast paint doesn't + * scribble over an existing image) + */ + gg.setColor(Color.white); + gg.fillRect(0, ypos, (endx - startColumn + 1) * charWidth, + wrappedRepeatHeightPx); - int endx; - int ypos = hgap; - int maxwidth = av.getAlignment().getWidth(); + drawPanel(g, startColumn, endx, 0, av.getAlignment().getHeight() - 1, + ypos); - if (av.hasHiddenColumns()) - { - maxwidth = av.getAlignment().getHiddenColumns() - .findColumnPosition(maxwidth); - } + int cHeight = av.getAlignment().getHeight() * av.getCharHeight(); - while ((ypos <= canvasHeight) && (startRes < maxwidth)) + if (av.isShowAnnotation()) { - endx = startRes + cWidth - 1; - - if (endx > maxwidth) + g.translate(0, cHeight + ypos + 3); + if (annotations == null) { - endx = maxwidth; + annotations = new AnnotationPanel(av); } - g.setFont(av.getFont()); - g.setColor(Color.black); + annotations.renderer.drawComponent(annotations, av, g, -1, + startColumn, endx + 1); + g.translate(0, -cHeight - ypos - 3); + } + g.setClip(clip); + g.translate(-xOffset, 0); + } + + /** + * Draws scales left, right and above (if shown), and any hidden column + * markers, on all widths of the wrapped alignment + * + * @param g + * @param startColumn + */ + protected void drawWrappedDecorators(Graphics g, final int startColumn) + { + int charWidth = av.getCharWidth(); + + g.setFont(av.getFont()); + g.setColor(Color.black); + + int ypos = wrappedSpaceAboveAlignment; + ViewportRanges ranges = av.getRanges(); + int viewportWidth = ranges.getViewportWidth(); + int maxWidth = ranges.getVisibleAlignmentWidth(); + int widthsDrawn = 0; + int startCol = startColumn; + + while (widthsDrawn < wrappedVisibleWidths) + { + int endColumn = Math.min(maxWidth, startCol + viewportWidth - 1); if (av.getScaleLeftWrapped()) { - drawWestScale(g, startRes, endx, ypos); + drawVerticalScale(g, startCol, endColumn - 1, ypos, true); } if (av.getScaleRightWrapped()) { - g.translate(canvasWidth - LABEL_EAST, 0); - drawEastScale(g, startRes, endx, ypos); - g.translate(-(canvasWidth - LABEL_EAST), 0); + int x = labelWidthWest + viewportWidth * charWidth; + g.translate(x, 0); + drawVerticalScale(g, startCol, endColumn, ypos, false); + g.translate(-x, 0); } - g.translate(LABEL_WEST, 0); + /* + * white fill region of scale above and hidden column markers + * (to support incremental fast paint of image) + */ + g.translate(labelWidthWest, 0); + g.setColor(Color.white); + g.fillRect(0, ypos - wrappedSpaceAboveAlignment, viewportWidth + * charWidth + labelWidthWest, wrappedSpaceAboveAlignment); + g.setColor(Color.black); + g.translate(-labelWidthWest, 0); + + g.translate(labelWidthWest, 0); if (av.getScaleAboveWrapped()) { - drawNorthScale(g, startRes, endx, ypos); + drawNorthScale(g, startCol, endColumn, ypos); } if (av.hasHiddenColumns() && av.getShowHiddenMarkers()) { - g.setColor(Color.blue); - int res; - HiddenColumns hidden = av.getAlignment().getHiddenColumns(); - List positions = hidden.findHiddenRegionPositions(); - for (int pos : positions) - { - res = pos - startRes; - - if (res < 0 || res > endx - startRes) - { - continue; - } - - gg.fillPolygon( - new int[] - { res * charWidth - charHeight / 4, - res * charWidth + charHeight / 4, res * charWidth }, - new int[] - { ypos - (charHeight / 2), ypos - (charHeight / 2), - ypos - (charHeight / 2) + 8 }, - 3); - - } + drawHiddenColumnMarkers(g, ypos, startCol, endColumn); } - // When printing we have an extra clipped region, - // the Printable page which we need to account for here - Shape clip = g.getClip(); + g.translate(-labelWidthWest, 0); - if (clip == null) - { - g.setClip(0, 0, cWidth * charWidth, canvasHeight); - } - else - { - g.setClip(0, (int) clip.getBounds().getY(), cWidth * charWidth, - (int) clip.getBounds().getHeight()); - } + ypos += wrappedRepeatHeightPx; + startCol += viewportWidth; + widthsDrawn++; + } + } - drawPanel(g, startRes, endx, 0, al.getHeight() - 1, ypos); + /** + * Draws markers (triangles) above hidden column positions between startColumn + * and endColumn. + * + * @param g + * @param ypos + * @param startColumn + * @param endColumn + */ + protected void drawHiddenColumnMarkers(Graphics g, int ypos, + int startColumn, int endColumn) + { + int charHeight = av.getCharHeight(); + int charWidth = av.getCharWidth(); - if (av.isShowAnnotation()) - { - g.translate(0, cHeight + ypos + 3); - if (annotations == null) - { - annotations = new AnnotationPanel(av); - } + g.setColor(Color.blue); + HiddenColumns hidden = av.getAlignment().getHiddenColumns(); + List positions = hidden.findHiddenRegionPositions(); + for (int pos : positions) + { + int res = pos - startColumn; - annotations.renderer.drawComponent(annotations, av, g, -1, startRes, - endx + 1); - g.translate(0, -cHeight - ypos - 3); + if (res < 0 || res > endColumn - startColumn + 1) + { + continue; } - g.setClip(clip); - g.translate(-LABEL_WEST, 0); - - ypos += cHeight + getAnnotationHeight() + hgap; - startRes += cWidth; + /* + * draw a downward-pointing triangle at the hidden columns location + * (before the following visible column) + */ + int xMiddle = res * charWidth; + int[] xPoints = new int[] { xMiddle - charHeight / 4, + xMiddle + charHeight / 4, xMiddle }; + int yTop = ypos - (charHeight / 2); + int[] yPoints = new int[] { yTop, yTop, yTop + 8 }; + g.fillPolygon(xPoints, yPoints, 3); } } @@ -767,6 +922,9 @@ public class SeqCanvas extends JComponent implements ViewportListenerI 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()) @@ -774,7 +932,8 @@ public class SeqCanvas extends JComponent implements ViewportListenerI hgap += charHeight; } - int cWidth = (canvasWidth - LABEL_EAST - LABEL_WEST) / charWidth; + int cWidth = (canvasWidth - labelWidthEast - labelWidthWest) + / charWidth; int cHeight = av.getAlignment().getHeight() * charHeight; int startx = startRes; @@ -800,13 +959,13 @@ public class SeqCanvas extends JComponent implements ViewportListenerI endx = maxwidth; } - g.translate(LABEL_WEST, 0); + g.translate(labelWidthWest, 0); drawUnwrappedSelection(g, group, startx, endx, 0, av.getAlignment().getHeight() - 1, ypos); - g.translate(-LABEL_WEST, 0); + g.translate(-labelWidthWest, 0); // update vertical offset ypos += cHeight + getAnnotationHeight() + hgap; @@ -831,33 +990,39 @@ public class SeqCanvas extends JComponent implements ViewportListenerI return annotations.adjustPanelHeight(); } - /* - * Draw an alignment panel for printing + /** + * Draws the visible region of the alignment on the graphics context. If there + * are hidden column markers in the visible region, then each sub-region + * between the markers is drawn separately, followed by the hidden column + * marker. * * @param g1 - * Graphics object to draw with + * the graphics context, positioned at the first residue to be drawn * @param startRes - * start residue of print area + * offset of the first column to draw (0..) * @param endRes - * end residue of print area + * offset of the last column to draw (0..) * @param startSeq - * start sequence of print area + * offset of the first sequence to draw (0..) * @param endSeq - * end sequence of print area - * @param offset - * vertical offset + * offset of the last sequence to draw (0..) + * @param yOffset + * vertical offset at which to draw (for wrapped alignments) */ - private void drawPanel(Graphics g1, int startRes, int endRes, - int startSeq, int endSeq, int offset) + public void drawPanel(Graphics g1, final int startRes, final int endRes, + final int startSeq, final int endSeq, final int yOffset) { - updateViewport(); + int charHeight = av.getCharHeight(); + int charWidth = av.getCharWidth(); + 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; @@ -873,38 +1038,47 @@ public class SeqCanvas extends JComponent implements ViewportListenerI continue; } - blockEnd = hideStart - 1; + /* + * draw up to just before the next hidden region, or the end of + * the visible region, whichever comes first + */ + blockEnd = Math.min(hideStart - 1, blockStart + screenYMax + - screenY); g1.translate(screenY * charWidth, 0); - draw(g1, blockStart, blockEnd, startSeq, endSeq, offset); + draw(g1, blockStart, blockEnd, startSeq, endSeq, yOffset); - if (av.getShowHiddenMarkers()) + /* + * draw the downline of the hidden column marker (ScalePanel draws the + * triangle on top) if we reached it + */ + if (av.getShowHiddenMarkers() && blockEnd == hideStart - 1) { g1.setColor(Color.blue); g1.drawLine((blockEnd - blockStart + 1) * charWidth - 1, - 0 + offset, (blockEnd - blockStart + 1) * charWidth - 1, - (endSeq - startSeq + 1) * charHeight + offset); + 0 + yOffset, (blockEnd - blockStart + 1) * charWidth - 1, + (endSeq - startSeq + 1) * charHeight + yOffset); } g1.translate(-screenY * charWidth, 0); screenY += blockEnd - blockStart + 1; blockStart = hideEnd + 1; - if (screenY > (endRes - startRes)) + if (screenY > screenYMax) { // already rendered last block return; } } - if (screenY <= (endRes - startRes)) + if (screenY <= screenYMax) { // remaining visible region to render - blockEnd = blockStart + (endRes - startRes) - screenY; + blockEnd = blockStart + screenYMax - screenY; g1.translate(screenY * charWidth, 0); - draw(g1, blockStart, blockEnd, startSeq, endSeq, offset); + draw(g1, blockStart, blockEnd, startSeq, endSeq, yOffset); g1.translate(-screenY * charWidth, 0); } @@ -912,9 +1086,27 @@ public class SeqCanvas extends JComponent implements ViewportListenerI } + /** + * Draws a region of the visible alignment + * + * @param g1 + * @param startRes + * offset of the first column in the visible region (0..) + * @param endRes + * offset of the last column in the visible region (0..) + * @param startSeq + * offset of the first sequence in the visible region (0..) + * @param endSeq + * offset of the last sequence in the visible region (0..) + * @param yOffset + * vertical offset at which to draw (for wrapped alignments) + */ private void draw(Graphics g, int startRes, int endRes, int startSeq, int endSeq, int offset) { + int charHeight = av.getCharHeight(); + int charWidth = av.getCharWidth(); + g.setFont(av.getFont()); seqRdr.prepare(g, av.isRenderGaps()); @@ -940,11 +1132,13 @@ public class SeqCanvas extends JComponent implements ViewportListenerI offset + ((i - startSeq) * charHeight), false); } - // / Highlight search Results once all sequences have been drawn - // //////////////////////////////////////////////////////// + /* + * highlight search Results once sequence has been drawn + */ if (av.hasSearchResults()) { - int[] visibleResults = av.getSearchResults().getResults(nextSeq, + SearchResultsI searchResults = av.getSearchResults(); + int[] visibleResults = searchResults.getResults(nextSeq, startRes, endRes); if (visibleResults != null) { @@ -958,12 +1152,12 @@ public class SeqCanvas extends JComponent implements ViewportListenerI } } - if (av.cursorMode && cursorY == i && cursorX >= startRes + /* if (av.cursorMode && cursorY == i && cursorX >= startRes && cursorX <= endRes) { seqRdr.drawCursor(nextSeq, cursorX, (cursorX - startRes) * charWidth, offset + ((i - startSeq) * charHeight)); - } + }*/ } if (av.getSelectionGroup() != null @@ -1061,6 +1255,60 @@ public class SeqCanvas extends JComponent implements ViewportListenerI return selectionImage; } + /** + * Draw the cursor as a separate image and overlay + * + * @param startRes + * start residue of area to draw cursor in + * @param endRes + * end residue of area to draw cursor in + * @param startSeq + * start sequence of area to draw cursor in + * @param endSeq + * end sequence of are to draw cursor in + * @return a transparent image of the same size as the sequence canvas, with + * the cursor drawn on it, if any + */ + private BufferedImage drawCursor(int startRes, int endRes, int startSeq, + int endSeq) + { + // define our cursor image + BufferedImage cursorImage = null; + + if (av.cursorMode && cursorY >= startSeq && cursorY <= endSeq + && cursorX >= startRes && cursorX <= endRes) + { + // get a new image of the correct size + cursorImage = setupImage(); + Graphics2D g = (Graphics2D) cursorImage.getGraphics(); + + // get the character the cursor is drawn at + SequenceI seq = av.getAlignment().getSequenceAt(cursorY); + char s = seq.getCharAt(cursorX); + + int offset = 0; + if (av.getWrapAlignment()) + { + // work out the correct offset for the cursor + offset = wrappedSpaceAboveAlignment; + int currentWidth = 0; + while ((currentWidth < wrappedVisibleWidths) + && (currentWidth < cursorX)) + { + offset += wrappedRepeatHeightPx; + currentWidth++; + } + } + + seqRdr.drawCursor(g, s, + (cursorX - startRes) * av.getCharWidth(), + offset + ((cursorY - startSeq) * av.getCharHeight())); + g.dispose(); + } + + return cursorImage; + } + /* * Set up graphics for selection group */ @@ -1092,6 +1340,8 @@ public class SeqCanvas extends JComponent implements ViewportListenerI private void drawUnwrappedSelection(Graphics2D g, SequenceGroup group, int startRes, int endRes, int startSeq, int endSeq, int offset) { + int charWidth = av.getCharWidth(); + if (!av.hasHiddenColumns()) { drawPartialGroupOutline(g, group, startRes, endRes, startSeq, endSeq, @@ -1153,6 +1403,9 @@ public class SeqCanvas extends JComponent implements ViewportListenerI int startRes, int endRes, int startSeq, int endSeq, int verticalOffset) { + int charHeight = av.getCharHeight(); + int charWidth = av.getCharWidth(); + int visWidth = (endRes - startRes + 1) * charWidth; int oldY = -1; @@ -1298,18 +1551,166 @@ public class SeqCanvas extends JComponent implements ViewportListenerI } /** - * DOCUMENT ME! + * Highlights search results in the visible region by rendering as white text + * on a black background. Any previous highlighting is removed. Answers true + * if any highlight was left on the visible alignment (so status bar should be + * set to match), else false. + *

+ * Currently fastPaint is not implemented for wrapped alignments. If a wrapped + * alignment had to be scrolled to show the highlighted region, then it should + * be fully redrawn, otherwise a fast paint can be performed. This argument + * could be removed if fast paint of scrolled wrapped alignment is coded in + * future (JAL-2609). + * + * @param results + * @param noFastPaint + * @return + */ + public boolean highlightSearchResults(SearchResultsI results, + boolean noFastPaint) + { + if (fastpainting) + { + return false; + } + boolean wrapped = av.getWrapAlignment(); + try + { + fastPaint = !noFastPaint; + fastpainting = fastPaint; + + /* + * 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; + } + } + + /** + * 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 @@ -1321,49 +1722,430 @@ public class SeqCanvas extends JComponent implements ViewportListenerI { fastPaint = true; repaint(); + return; } - else if (av.getWrapAlignment()) + + int scrollX = 0; + if (eventName.equals(ViewportRanges.STARTRES)) { - if (eventName.equals(ViewportRanges.STARTRES)) + // Make sure we're not trying to draw a panel + // larger than the visible window + ViewportRanges vpRanges = av.getRanges(); + scrollX = (int) evt.getNewValue() - (int) evt.getOldValue(); + int range = vpRanges.getViewportWidth(); + if (scrollX > range) { - repaint(); + scrollX = range; + } + else if (scrollX < -range) + { + scrollX = -range; } } - else + + // 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. + + // scroll - startres and endres both change + 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()); + } + } + + /** + * Does a minimal update of the image for a scroll movement. This method + * handles scroll movements of up to one width of the wrapped alignment (one + * click in the vertical scrollbar). Larger movements (for example after a + * scroll to highlight a mapped position) trigger a full redraw instead. + * + * @param scrollX + * number of positions scrolled (right if positive, left if negative) + */ + protected void fastPaintWrapped(int scrollX) + { + ViewportRanges ranges = av.getRanges(); + + if (Math.abs(scrollX) > ranges.getViewportWidth()) + { + /* + * shift of more than one view width is + * overcomplicated to handle in this method + */ + fastPaint = false; + repaint(); + return; + } + + if (fastpainting || gg == null) + { + return; + } + + fastPaint = true; + fastpainting = true; + + try + { + calculateWrappedGeometry(getWidth(), getHeight()); + + /* + * relocate the regions of the alignment that are still visible + */ + shiftWrappedAlignment(-scrollX); + + /* + * add new columns (sequence, annotation) + * - at top left if scrollX < 0 + * - at right of last two widths if scrollX > 0 + */ + if (scrollX < 0) + { + int startRes = ranges.getStartRes(); + drawWrappedWidth(gg, wrappedSpaceAboveAlignment, startRes, startRes + - scrollX - 1, getHeight()); + } + else + { + fastPaintWrappedAddRight(scrollX); + } + + /* + * draw all scales (if shown) and hidden column markers + */ + drawWrappedDecorators(gg, ranges.getStartRes()); + + repaint(); + } finally + { + fastpainting = false; + } + } + + /** + * Draws the specified number of columns at the 'end' (bottom right) of a + * wrapped alignment view, including sequences and annotations if shown, but + * not scales. Also draws the same number of columns at the right hand end of + * the second last width shown, if the last width is not full height (so + * cannot simply be copied from the graphics image). + * + * @param columns + */ + protected void fastPaintWrappedAddRight(int columns) + { + if (columns == 0) + { + return; + } + + ViewportRanges ranges = av.getRanges(); + int viewportWidth = ranges.getViewportWidth(); + int charWidth = av.getCharWidth(); + + /** + * draw full height alignment in the second last row, last columns, if the + * last row was not full height + */ + int visibleWidths = wrappedVisibleWidths; + int canvasHeight = getHeight(); + boolean lastWidthPartHeight = (wrappedVisibleWidths * wrappedRepeatHeightPx) > canvasHeight; + + if (lastWidthPartHeight) + { + int widthsAbove = Math.max(0, visibleWidths - 2); + int ypos = wrappedRepeatHeightPx * widthsAbove + + wrappedSpaceAboveAlignment; + int endRes = ranges.getEndRes(); + endRes += widthsAbove * viewportWidth; + int startRes = endRes - columns; + int xOffset = ((startRes - ranges.getStartRes()) % viewportWidth) + * charWidth; + + /* + * white fill first to erase annotations + */ + gg.translate(xOffset, 0); + gg.setColor(Color.white); + gg.fillRect(labelWidthWest, ypos, + (endRes - startRes + 1) * charWidth, wrappedRepeatHeightPx); + gg.translate(-xOffset, 0); + + drawWrappedWidth(gg, ypos, startRes, endRes, canvasHeight); + } + + /* + * draw newly visible columns in last wrapped width (none if we + * have reached the end of the alignment) + * y-offset for drawing last width is height of widths above, + * plus one gap row + */ + int widthsAbove = visibleWidths - 1; + int ypos = wrappedRepeatHeightPx * widthsAbove + + wrappedSpaceAboveAlignment; + int endRes = ranges.getEndRes(); + endRes += widthsAbove * viewportWidth; + int startRes = endRes - columns + 1; + + /* + * white fill first to erase annotations + */ + int xOffset = ((startRes - ranges.getStartRes()) % viewportWidth) + * charWidth; + gg.translate(xOffset, 0); + gg.setColor(Color.white); + int width = viewportWidth * charWidth - xOffset; + gg.fillRect(labelWidthWest, ypos, width, wrappedRepeatHeightPx); + gg.translate(-xOffset, 0); + + gg.setFont(av.getFont()); + gg.setColor(Color.black); + + if (startRes < ranges.getVisibleAlignmentWidth()) + { + drawWrappedWidth(gg, ypos, startRes, endRes, canvasHeight); + } + + /* + * and finally, white fill any space below the visible alignment + */ + int heightBelow = canvasHeight - visibleWidths * wrappedRepeatHeightPx; + if (heightBelow > 0) + { + gg.setColor(Color.white); + gg.fillRect(0, canvasHeight - heightBelow, getWidth(), heightBelow); + } + } + + /** + * Shifts the visible alignment by the specified number of columns - left if + * negative, right if positive. Copies and moves sequences and annotations (if + * shown). Scales, hidden column markers and any newly visible columns must be + * drawn separately. + * + * @param positions + */ + protected void shiftWrappedAlignment(int positions) + { + if (positions == 0) + { + return; + } + int charWidth = av.getCharWidth(); + + int canvasHeight = getHeight(); + ViewportRanges ranges = av.getRanges(); + int viewportWidth = ranges.getViewportWidth(); + int widthToCopy = (ranges.getViewportWidth() - Math.abs(positions)) + * charWidth; + int heightToCopy = wrappedRepeatHeightPx - wrappedSpaceAboveAlignment; + int xMax = ranges.getVisibleAlignmentWidth(); + + if (positions > 0) { - int scrollX = 0; - if (eventName.equals(ViewportRanges.STARTRES)) + /* + * shift right (after scroll left) + * for each wrapped width (starting with the last), copy (width-positions) + * columns from the left margin to the right margin, and copy positions + * columns from the right margin of the row above (if any) to the + * left margin of the current row + */ + + /* + * get y-offset of last wrapped width, first row of sequences + */ + int y = canvasHeight / wrappedRepeatHeightPx * wrappedRepeatHeightPx; + y += wrappedSpaceAboveAlignment; + int copyFromLeftStart = labelWidthWest; + int copyFromRightStart = copyFromLeftStart + widthToCopy; + + while (y >= 0) { - // Make sure we're not trying to draw a panel - // larger than the visible window - ViewportRanges vpRanges = av.getRanges(); - scrollX = (int) evt.getNewValue() - (int) evt.getOldValue(); - int range = vpRanges.getEndRes() - vpRanges.getStartRes(); - if (scrollX > range) + gg.copyArea(copyFromLeftStart, y, widthToCopy, heightToCopy, + positions * charWidth, 0); + if (y > 0) { - scrollX = range; + gg.copyArea(copyFromRightStart, y - wrappedRepeatHeightPx, + positions * charWidth, heightToCopy, -widthToCopy, + wrappedRepeatHeightPx); } - else if (scrollX < -range) + + y -= wrappedRepeatHeightPx; + } + } + else + { + /* + * shift left (after scroll right) + * for each wrapped width (starting with the first), copy (width-positions) + * columns from the right margin to the left margin, and copy positions + * columns from the left margin of the row below (if any) to the + * right margin of the current row + */ + int xpos = av.getRanges().getStartRes(); + int y = wrappedSpaceAboveAlignment; + int copyFromRightStart = labelWidthWest - positions * charWidth; + + while (y < canvasHeight) + { + gg.copyArea(copyFromRightStart, y, widthToCopy, heightToCopy, + positions * charWidth, 0); + if (y + wrappedRepeatHeightPx < canvasHeight - wrappedRepeatHeightPx + && (xpos + viewportWidth <= xMax)) { - scrollX = -range; + gg.copyArea(labelWidthWest, y + wrappedRepeatHeightPx, -positions + * charWidth, heightToCopy, widthToCopy, + -wrappedRepeatHeightPx); } - } - // 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)) - { - // scroll - startres and endres both change - fastPaint(scrollX, 0); + y += wrappedRepeatHeightPx; + xpos += viewportWidth; } - else if (eventName.equals(ViewportRanges.STARTSEQ)) + } + } + + + /** + * Redraws any positions in the search results in the visible region of a + * wrapped alignment. Any highlights are drawn depending on the search results + * set on the Viewport, not the results argument. This allows + * this method to be called either to clear highlights (passing the previous + * search results), or to draw new highlights. + * + * @param results + * @return + */ + protected boolean drawMappedPositionsWrapped(SearchResultsI results) + { + if (results == null) + { + return false; + } + int charHeight = av.getCharHeight(); + + boolean matchFound = false; + + calculateWrappedGeometry(getWidth(), getHeight()); + int wrappedWidth = av.getWrappedWidth(); + int wrappedHeight = wrappedRepeatHeightPx; + + 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) { - // scroll - fastPaint(0, (int) evt.getNewValue() - (int) evt.getOldValue()); + 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 width in pixels of the left scale labels (0 if not shown) + * + * @return + */ + int getLabelWidthWest() + { + return labelWidthWest; } }