import jalview.viewmodel.ViewportListenerI;
import jalview.viewmodel.ViewportRanges;
+import java.awt.AlphaComposite;
import java.awt.BasicStroke;
import java.awt.BorderLayout;
import java.awt.Color;
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
{
- private static String ZEROS = "0000000000";
+ private static final String ZEROS = "0000000000";
final FeatureRenderer fr;
- final SequenceRenderer sr;
-
BufferedImage img;
- Graphics2D gg;
+ AlignViewport av;
- int imgWidth;
+ int cursorX = 0;
- int imgHeight;
+ int cursorY = 0;
- AlignViewport av;
+ private final SequenceRenderer seqRdr;
- boolean fastPaint = false;
+ private boolean fastPaint = false;
- boolean fastpainting = false;
+ private boolean fastpainting = false;
- int labelWidthWest;
+ private AnnotationPanel annotations;
- int labelWidthEast;
+ /*
+ * measurements for drawing a wrapped alignment
+ */
+ private int labelWidthEast; // label right width in pixels if shown
- int cursorX = 0;
+ private int labelWidthWest; // label left width in pixels if shown
- int cursorY = 0;
+ private int wrappedSpaceAboveAlignment; // gap between widths
+
+ 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);
- 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();
- 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<ScaleMark> marks = new ScaleRenderer().calculateMarks(av, startx,
+ endx);
+ for (ScaleMark mark : marks)
{
int mpos = mark.column; // (i - startx - 1)
if (mpos < 0)
{
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);
}
}
}
* Draw the scale to the left or right of a wrapped alignment
*
* @param g
+ * graphics context, positioned at the start of the scale to be drawn
* @param startx
* first column of wrapped width (0.. excluding any hidden columns)
* @param endx
* @param left
* if true, scale is left of residues, if false, scale is right
*/
- void drawVerticalScale(Graphics g, int startx, int endx, int ypos,
- boolean left)
+ void drawVerticalScale(Graphics g, final int startx, final int endx,
+ final int ypos, final boolean left)
{
- ypos += charHeight;
+ int charHeight = av.getCharHeight();
+ int charWidth = av.getCharWidth();
+
+ int yPos = ypos + charHeight;
+ int startX = startx;
+ int endX = endx;
if (av.hasHiddenColumns())
{
HiddenColumns hiddenColumns = av.getAlignment().getHiddenColumns();
- startx = hiddenColumns.adjustForHiddenColumns(startx);
- endx = hiddenColumns.adjustForHiddenColumns(endx);
+ startX = hiddenColumns.adjustForHiddenColumns(startx);
+ endX = hiddenColumns.adjustForHiddenColumns(endx);
}
FontMetrics fm = getFontMetrics(av.getFont());
* 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 index = left ? startX : endX;
int value = -1;
- while (index >= startx && index <= endx)
+ while (index >= startX && index <= endX)
{
if (!Comparison.isGap(seq.getCharAt(index)))
{
}
}
+ /*
+ * 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)
{
/*
- * draw scale value, justified, with half a character width
- * separation from the sequence data
+ * 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 justify = fm.stringWidth(valueAsString) + charWidth;
- int xpos = left ? labelWidthWest - justify + charWidth / 2
- : getWidth() - justify - charWidth / 2;
-
- g.setColor(Color.white);
- int y = (ypos + (i * charHeight)) - (charHeight / 5);
- g.fillRect(xpos, y, justify, charHeight);
+ int labelLength = fm.stringWidth(valueAsString);
+ int xOffset = labelSpace - labelLength;
g.setColor(Color.black);
- g.drawString(valueAsString, xpos, y);
+ 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
+ * <ul>
+ * <li>dragging a scroll bar</li>
+ * <li>clicking in the scroll bar</li>
+ * <li>scrolling by trackpad, middle mouse button, or other device</li>
+ * <li>by moving the box in the Overview window</li>
+ * <li>programmatically to make a highlighted position visible</li>
+ * </ul>
*
* @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)
{
- if (fastpainting || gg == null)
+ if (fastpainting || gg == null || img == null)
{
return;
}
fastpainting = true;
fastPaint = true;
- updateViewport();
- 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, imgWidth,
- imgHeight, -horizontal * charWidth, -vertical * charHeight);
-
- if (horizontal > 0) // scrollbar pulled right, image to the left
- {
- transX = (endRes - startRes - horizontal) * charWidth;
- startRes = endRes - horizontal;
- }
- else if (horizontal < 0)
- {
- endRes = startRes - horizontal;
- }
- else if (vertical > 0) // scroll down
+ try
{
- startSeq = endSeq - vertical;
-
- if (startSeq < ranges.getStartSeq())
- { // ie scrolling too fast, more than a page at a time
- startSeq = ranges.getStartSeq();
+ 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,
+ -vertical * charHeight);
+
+ if (horizontal > 0) // scrollbar pulled right, image to the left
+ {
+ transX = (endRes - startRes - horizontal) * charWidth;
+ startRes = endRes - horizontal;
}
- else
+ else if (horizontal < 0)
{
- transY = imgHeight - ((vertical + 1) * charHeight);
+ endRes = startRes - horizontal;
}
- }
- else if (vertical < 0)
- {
- endSeq = startSeq - vertical;
- if (endSeq > ranges.getEndSeq())
+ if (vertical > 0) // scroll down
{
- endSeq = ranges.getEndSeq();
+ startSeq = endSeq - vertical;
+
+ if (startSeq < ranges.getStartSeq())
+ { // ie scrolling too fast, more than a page at a time
+ startSeq = ranges.getStartSeq();
+ }
+ else
+ {
+ transY = img.getHeight() - ((vertical + 1) * charHeight);
+ }
}
- }
+ else if (vertical < 0)
+ {
+ endSeq = startSeq - vertical;
- gg.translate(transX, transY);
- drawPanel(gg, startRes, endRes, startSeq, endSeq, 0);
- gg.translate(-transX, -transY);
+ if (endSeq > ranges.getEndSeq())
+ {
+ endSeq = ranges.getEndSeq();
+ }
+ }
- repaint();
- fastpainting = false;
+ gg.translate(transX, transY);
+ drawPanel(gg, startRes, endRes, startSeq, endSeq, 0);
+ gg.translate(-transX, -transY);
+
+ repaint();
+ } finally
+ {
+ fastpainting = false;
+ }
}
@Override
public void paintComponent(Graphics g)
{
- updateViewport();
- BufferedImage lcimg = img; // take reference since other threads may null
- // img and call later.
- super.paintComponent(g);
+ super.paintComponent(g);
+
+ int charHeight = av.getCharHeight();
+ int charWidth = av.getCharWidth();
+
+ ViewportRanges ranges = av.getRanges();
+
+ int width = getWidth();
+ int height = getHeight();
+
+ width -= (width % charWidth);
+ height -= (height % charHeight);
- if (lcimg != null
- && (fastPaint
- || (getVisibleRect().width != g.getClipBounds().width) || (getVisibleRect().height != g
- .getClipBounds().height)))
+ // 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());
- // this draws the whole of the alignment
- imgWidth = getWidth();
- imgHeight = getHeight();
+ if (av.getWrapAlignment())
+ {
+ drawWrappedPanel(gg, getWidth(), getHeight(), ranges.getStartRes());
+ }
+ else
+ {
+ drawPanel(gg, ranges.getStartRes(), ranges.getEndRes(),
+ ranges.getStartSeq(), ranges.getEndSeq(), 0);
+ }
- imgWidth -= (imgWidth % charWidth);
- imgHeight -= (imgHeight % charHeight);
+ // 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);
- if ((imgWidth < 1) || (imgHeight < 1))
+ }
+
+ if (av.cursorMode)
{
- return;
+ drawCursor(g, ranges.getStartRes(), ranges.getEndRes(),
+ ranges.getStartSeq(), ranges.getEndSeq());
}
+ }
+
+ /**
+ * 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 (lcimg == null || imgWidth != lcimg.getWidth()
- || imgHeight != lcimg.getHeight())
+ BufferedImage selectImage = drawSelectionGroup(startRes, endRes,
+ startSeq, endSeq);
+ if (selectImage != null)
{
+ ((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();
+
+ 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);
}
- gg.setColor(Color.white);
- gg.fillRect(0, 0, imgWidth, imgHeight);
+ g2d.dispose();
- ViewportRanges ranges = av.getRanges();
- if (av.getWrapAlignment())
+ return lcimg;
+ }
+
+ /*
+ * Set up a buffered image of the correct height and size for the sequence canvas
+ */
+ private BufferedImage setupImage()
+ {
+ BufferedImage lcimg = null;
+
+ int charWidth = av.getCharWidth();
+ int charHeight = av.getCharHeight();
+
+ 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;
}
/**
*/
public int getWrappedCanvasWidth(int canvasWidth)
{
- FontMetrics fm = getFontMetrics(av.getFont());
+ int charWidth = av.getCharWidth();
- labelWidthEast = 0;
- labelWidthWest = 0;
+ FontMetrics fm = getFontMetrics(av.getFont());
- if (av.getScaleRightWrapped())
+ int labelWidth = 0;
+
+ if (av.getScaleRightWrapped() || av.getScaleLeftWrapped())
{
- labelWidthEast = getLabelWidth(fm);
+ labelWidth = getLabelWidth(fm);
}
- if (av.getScaleLeftWrapped())
- {
- labelWidthWest = labelWidthEast > 0 ? labelWidthEast
- : getLabelWidth(fm);
- }
+ labelWidthEast = av.getScaleRightWrapped() ? labelWidth : 0;
+
+ labelWidthWest = av.getScaleLeftWrapped() ? labelWidth : 0;
return (canvasWidth - labelWidthEast - labelWidthWest) / charWidth;
}
/**
- * 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).
+ * 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.
*
* @param fm
* @return
maxWidth = Math.max(maxWidth, alignment.getSequenceAt(i).getEnd());
}
- int length = 2;
+ int length = 0;
for (int i = maxWidth; i > 0; i /= 10)
{
length++;
}
- return fm.stringWidth(ZEROS.substring(0, length));
+ 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
*/
public void drawWrappedPanel(Graphics g, int canvasWidth,
- int canvasHeight, int startRes)
+ int canvasHeight, final int startColumn)
{
- updateViewport();
- int labelWidth = 0;
- if (av.getScaleRightWrapped() || av.getScaleLeftWrapped())
- {
- FontMetrics fm = getFontMetrics(av.getFont());
- labelWidth = getLabelWidth(fm);
- }
+ int wrappedWidthInResidues = calculateWrappedGeometry(canvasWidth,
+ canvasHeight);
- labelWidthEast = av.getScaleRightWrapped() ? labelWidth : 0;
- labelWidthWest = av.getScaleLeftWrapped() ? labelWidth : 0;
+ av.setWrappedWidth(wrappedWidthInResidues);
- int hgap = charHeight;
- if (av.getScaleAboveWrapped())
+ 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))
{
- hgap += charHeight;
+ int endColumn = Math
+ .min(maxWidth, start + wrappedWidthInResidues - 1);
+ drawWrappedWidth(g, ypos, start, endColumn, canvasHeight);
+ ypos += wrappedRepeatHeightPx;
+ start += wrappedWidthInResidues;
+ currentWidth++;
}
- int cWidth = (canvasWidth - labelWidthEast - labelWidthWest) / charWidth;
+ drawWrappedDecorators(g, startColumn);
+ }
- av.setWrappedWidth(cWidth);
+ /**
+ * Calculates and saves values needed when rendering a wrapped alignment.
+ * These depend on many factors, including
+ * <ul>
+ * <li>canvas width and height</li>
+ * <li>number of visible sequences, and height of annotations if shown</li>
+ * <li>font and character width</li>
+ * <li>whether scales are shown left, right or above the alignment</li>
+ * </ul>
+ *
+ * @param canvasWidth
+ * @param canvasHeight
+ * @return the number of residue columns in each width
+ */
+ protected int calculateWrappedGeometry(int canvasWidth, int canvasHeight)
+ {
+ int charHeight = av.getCharHeight();
- av.getRanges().setViewportStartAndWidth(startRes, cWidth);
+ /*
+ * 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);
- int ypos = hgap;
- int maxwidth = av.getAlignment().getWidth();
+ /*
+ * height in pixels of the wrapped widths
+ */
+ wrappedRepeatHeightPx = wrappedSpaceAboveAlignment;
+ // add sequences
+ wrappedRepeatHeightPx += av.getRanges().getViewportHeight()
+ * charHeight;
+ // add annotations panel height if shown
+ wrappedRepeatHeightPx += getAnnotationHeight();
- if (av.hasHiddenColumns())
+ /*
+ * 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))
{
- maxwidth = av.getAlignment().getHiddenColumns()
- .findColumnPosition(maxwidth);
+ wrappedVisibleWidths++;
}
- int annotationHeight = getAnnotationHeight();
- int sequencesHeight = av.getAlignment().getHeight() * charHeight;
+ /*
+ * compute width in residues; this also sets East and West label widths
+ */
+ int wrappedWidthInResidues = getWrappedCanvasWidth(canvasWidth);
- while ((ypos <= canvasHeight) && (startRes < maxwidth))
+ /*
+ * 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)
{
- drawWrappedWidth(g, startRes, canvasHeight, cWidth, maxwidth, ypos);
-
- ypos += sequencesHeight + annotationHeight + hgap;
-
- startRes += cWidth;
+ maxWidths++;
}
+ wrappedVisibleWidths = Math.min(wrappedVisibleWidths, maxWidths);
+
+ return wrappedWidthInResidues;
}
/**
+ * Draws one width of a wrapped alignment, including sequences and
+ * annnotations, if shown, but not scales or hidden column markers
+ *
* @param g
- * @param startRes
- * @param canvasHeight
- * @param canvasWidth
- * @param maxWidth
* @param ypos
+ * @param startColumn
+ * @param endColumn
+ * @param canvasHeight
*/
- protected void drawWrappedWidth(Graphics g, int startRes,
- int canvasHeight, int canvasWidth, int maxWidth, int ypos)
+ protected void drawWrappedWidth(Graphics g, int ypos, int startColumn,
+ int endColumn, int canvasHeight)
{
- int endx;
- endx = startRes + canvasWidth - 1;
+ ViewportRanges ranges = av.getRanges();
+ int viewportWidth = ranges.getViewportWidth();
- if (endx > maxWidth)
- {
- endx = maxWidth;
- }
+ int endx = Math.min(startColumn + viewportWidth - 1, endColumn);
- g.setFont(av.getFont());
- g.setColor(Color.black);
+ /*
+ * 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);
- if (av.getScaleLeftWrapped())
+ // 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)
{
- drawVerticalScale(g, startRes, endx, ypos, true);
+ g.setClip(0, 0, viewportWidth * charWidth, canvasHeight);
}
-
- if (av.getScaleRightWrapped())
+ else
{
- drawVerticalScale(g, startRes, endx, ypos, false);
+ g.setClip(0, (int) clip.getBounds().getY(),
+ viewportWidth * charWidth, (int) clip.getBounds().getHeight());
}
- g.translate(labelWidthWest, 0);
+ /*
+ * 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);
- if (av.getScaleAboveWrapped())
+ drawPanel(g, startColumn, endx, 0, av.getAlignment().getHeight() - 1,
+ ypos);
+
+ int cHeight = av.getAlignment().getHeight() * av.getCharHeight();
+
+ if (av.isShowAnnotation())
{
- drawNorthScale(g, startRes, endx, ypos);
+ g.translate(0, cHeight + ypos + 3);
+ if (annotations == null)
+ {
+ annotations = new AnnotationPanel(av);
+ }
+
+ annotations.renderer.drawComponent(annotations, av, g, -1,
+ startColumn, endx + 1);
+ g.translate(0, -cHeight - ypos - 3);
}
+ g.setClip(clip);
+ g.translate(-xOffset, 0);
+ }
- if (av.hasHiddenColumns() && av.getShowHiddenMarkers())
+ /**
+ * 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)
{
- g.setColor(Color.blue);
- HiddenColumns hidden = av.getAlignment().getHiddenColumns();
- List<Integer> positions = hidden.findHiddenRegionPositions();
- for (int pos : positions)
+ int endColumn = Math.min(maxWidth, startCol + viewportWidth - 1);
+
+ if (av.getScaleLeftWrapped())
{
- int res = pos - startRes;
+ drawVerticalScale(g, startCol, endColumn - 1, ypos, true);
+ }
- if (res < 0 || res > endx - startRes)
- {
- continue;
- }
+ if (av.getScaleRightWrapped())
+ {
+ int x = labelWidthWest + viewportWidth * charWidth;
+ g.translate(x, 0);
+ drawVerticalScale(g, startCol, endColumn, ypos, false);
+ g.translate(-x, 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);
- 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);
+ g.translate(labelWidthWest, 0);
+ if (av.getScaleAboveWrapped())
+ {
+ drawNorthScale(g, startCol, endColumn, ypos);
}
+
+ if (av.hasHiddenColumns() && av.getShowHiddenMarkers())
+ {
+ drawHiddenColumnMarkers(g, ypos, startCol, endColumn);
+ }
+
+ g.translate(-labelWidthWest, 0);
+
+ ypos += wrappedRepeatHeightPx;
+ startCol += viewportWidth;
+ widthsDrawn++;
}
+ }
- // When printing we have an extra clipped region,
- // the Printable page which we need to account for here
- Shape clip = g.getClip();
+ /**
+ * 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 (clip == null)
+ g.setColor(Color.blue);
+ HiddenColumns hidden = av.getAlignment().getHiddenColumns();
+ List<Integer> positions = hidden.findHiddenRegionPositions();
+ for (int pos : positions)
{
- g.setClip(0, 0, canvasWidth * charWidth, canvasHeight);
+ int res = pos - startColumn;
+
+ if (res < 0 || res > endColumn - startColumn + 1)
+ {
+ continue;
+ }
+
+ /*
+ * 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);
}
- else
+ }
+
+ /*
+ * Draw a selection group over a wrapped alignment
+ */
+ private void drawWrappedSelection(Graphics2D g, SequenceGroup group,
+ 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())
{
- g.setClip(0, (int) clip.getBounds().getY(), canvasWidth * charWidth,
- (int) clip.getBounds().getHeight());
+ hgap += charHeight;
}
- drawPanel(g, startRes, endx, 0, av.getAlignment().getHeight() - 1, ypos);
-
+ int cWidth = (canvasWidth - labelWidthEast - labelWidthWest)
+ / charWidth;
int cHeight = av.getAlignment().getHeight() * charHeight;
- if (av.isShowAnnotation())
+ int startx = startRes;
+ int endx;
+ int ypos = hgap; // vertical offset
+ int maxwidth = av.getAlignment().getWidth();
+
+ if (av.hasHiddenColumns())
{
- g.translate(0, cHeight + ypos + 3);
- if (annotations == null)
+ 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)
{
- annotations = new AnnotationPanel(av);
+ endx = maxwidth;
}
- annotations.renderer.drawComponent(annotations, av, g, -1, startRes,
- endx + 1);
- g.translate(0, -cHeight - ypos - 3);
+ 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;
}
- g.setClip(clip);
- g.translate(-labelWidthWest, 0);
}
- AnnotationPanel annotations;
-
int getAnnotationHeight()
{
if (!av.isShowAnnotation())
* marker.
*
* @param g1
+ * the graphics context, positioned at the first residue to be drawn
* @param startRes
- * offset of the first column in the visible region (0..)
+ * offset of the first column to draw (0..)
* @param endRes
- * offset of the last column in the visible region (0..)
+ * offset of the last column to draw (0..)
* @param startSeq
- * offset of the first sequence in the visible region (0..)
+ * offset of the first sequence to draw (0..)
* @param endSeq
- * offset of the last sequence in the visible region (0..)
+ * offset of the last sequence to draw (0..)
* @param yOffset
* vertical offset at which to draw (for wrapped alignments)
*/
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, yOffset);
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());
- 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);
}
/*
startRes, endRes);
if (visibleResults != null)
{
- for (int r = 0; r < visibleResults.length; r += 2)
- {
- sr.drawHighlightedText(nextSeq, visibleResults[r],
- visibleResults[r + 1], (visibleResults[r] - startRes)
- * charWidth, offset
- + ((i - startSeq) * charHeight));
- }
+ for (int r = 0; r < visibleResults.length; r += 2)
+ {
+ seqRdr.drawHighlightedText(nextSeq, visibleResults[r],
+ visibleResults[r + 1], (visibleResults[r] - startRes)
+ * charWidth, offset
+ + ((i - startSeq) * charHeight));
+ }
+ }
+ }
+ }
+
+ if (av.getSelectionGroup() != null
+ || av.getAlignment().getGroups().size() > 0)
+ {
+ drawGroupsBoundaries(g, startRes, endRes, startSeq, endSeq, offset);
+ }
+
+ }
+
+ void drawGroupsBoundaries(Graphics g1, int startRes, int endRes,
+ int startSeq, int endSeq, int offset)
+ {
+ Graphics2D g = (Graphics2D) g1;
+ //
+ // ///////////////////////////////////
+ // Now outline any areas if necessary
+ // ///////////////////////////////////
+
+ SequenceGroup group = null;
+ int groupIndex = -1;
+
+ 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
+ {
+ drawPartialGroupOutline(g, group, startRes, endRes, startSeq,
+ endSeq, offset);
+
+ groupIndex++;
+
+ g.setStroke(new BasicStroke());
+
+ if (groupIndex >= av.getAlignment().getGroups().size())
+ {
+ break;
+ }
+
+ group = av.getAlignment().getGroups().get(groupIndex);
+
+ } while (groupIndex < av.getAlignment().getGroups().size());
+
+ }
+
+ }
+
+
+ /*
+ * 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 (selectionImage == null)
+ {
+ return null;
+ }
+
+ SequenceGroup group = av.getSelectionGroup();
+ if (group == null)
+ {
+ // nothing to draw
+ return null;
+ }
+
+ // set up drawing colour
+ Graphics2D g = (Graphics2D) selectionImage.getGraphics();
+
+ setupSelectionGroup(g, selectionImage);
+
+ if (!av.getWrapAlignment())
+ {
+ drawUnwrappedSelection(g, group, startRes, endRes, startSeq, endSeq,
+ 0);
+ }
+ else
+ {
+ drawWrappedSelection(g, group, getWidth(), getHeight(),
+ av.getRanges().getStartRes());
+ }
+
+ g.dispose();
+ 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 void drawCursor(Graphics g, int startRes, int endRes,
+ int startSeq,
+ int endSeq)
+ {
+ // convert the cursorY into a position on the visible alignment
+ int cursor_ypos = av.getAlignment().getHiddenSequences()
+ .findIndexWithoutHiddenSeqs(cursorY);
+
+ // don't do work unless we have to
+ if (!av.getAlignment().getHiddenSequences().isHidden(cursorY)
+ && cursor_ypos >= startSeq && cursor_ypos <= endSeq)
+ {
+ int yoffset = 0;
+ int xoffset = 0;
+ int startx = startRes;
+ int endx = endRes;
+
+ // convert the cursorX into a position on the visible alignment
+ int cursor_xpos = av.getAlignment().getHiddenColumns()
+ .findColumnPosition(cursorX);
+
+ if (av.getAlignment().getHiddenColumns().isVisible(cursorX))
+ {
+
+ if (av.getWrapAlignment())
+ {
+ // work out the correct offsets for the cursor
+ int charHeight = av.getCharHeight();
+ int charWidth = av.getCharWidth();
+ int canvasWidth = getWidth();
+ int canvasHeight = getHeight();
+
+ // 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;
+
+ endx = startx + cWidth - 1;
+ int ypos = hgap; // vertical offset
+
+ // iterate down the wrapped panels
+ while ((ypos <= canvasHeight) && (endx < cursor_xpos))
+ {
+ // update vertical offset
+ ypos += cHeight + getAnnotationHeight() + hgap;
+
+ // update horizontal offset
+ startx += cWidth;
+ endx = startx + cWidth - 1;
+ }
+ yoffset = ypos;
+ xoffset = labelWidthWest;
+ }
+
+ // now check if cursor is within range for x values
+ if (cursor_xpos >= startx && cursor_xpos <= endx)
+ {
+ // get the character the cursor is drawn at
+ SequenceI seq = av.getAlignment().getSequenceAt(cursorY);
+ char s = seq.getCharAt(cursorX);
+
+ seqRdr.drawCursor(g, s,
+ xoffset + (cursor_xpos - startx) * av.getCharWidth(),
+ yoffset + (cursor_ypos - startSeq) * av.getCharHeight());
+ }
+ }
+ }
+ }
+
+
+ /*
+ * 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)
+ {
+ int charWidth = av.getCharWidth();
+
+ 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 (av.cursorMode && cursorY == i && cursorX >= startRes
- && cursorX <= endRes)
+ if (screenY <= (endRes - startRes))
{
- sr.drawCursor(nextSeq, cursorX, (cursorX - startRes) * charWidth,
- offset + ((i - startSeq) * charHeight));
+ // 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);
}
}
-
- if (av.getSelectionGroup() != null
- || av.getAlignment().getGroups().size() > 0)
- {
- drawGroupsBoundaries(g, startRes, endRes, startSeq, endSeq, offset);
- }
-
}
- void drawGroupsBoundaries(Graphics g1, int startRes, int endRes,
- int startSeq, int endSeq, int offset)
+ /*
+ * 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)
{
- Graphics2D g = (Graphics2D) g1;
- //
- // ///////////////////////////////////
- // Now outline any areas if necessary
- // ///////////////////////////////////
- SequenceGroup group = av.getSelectionGroup();
+ int charHeight = av.getCharHeight();
+ int charWidth = av.getCharWidth();
+
+ 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 ex = -1;
- int groupIndex = -1;
- int visWidth = (endRes - startRes + 1) * charWidth;
+ int xwidth = -1;
- if ((group == null) && (av.getAlignment().getGroups().size() > 0))
+ for (i = startSeq; i <= endSeq; i++)
{
- group = av.getAlignment().getGroups().get(0);
- groupIndex = 0;
- }
+ // position of start residue of group relative to startRes, in pixels
+ sx = (group.getStartRes() - startRes) * charWidth;
- if (group != null)
- {
- do
+ // width of group in pixels
+ xwidth = (((group.getEndRes() + 1) - group.getStartRes()) * charWidth)
+ - 1;
+
+ sy = verticalOffset + (i - startSeq) * charHeight;
+
+ if (sx + xwidth < 0 || sx > visWidth)
{
- int oldY = -1;
- int i = 0;
- boolean inGroup = false;
- int top = -1;
- int bottom = -1;
+ continue;
+ }
- for (i = startSeq; i <= endSeq; i++)
+ 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)))
{
- sx = (group.getStartRes() - startRes) * charWidth;
- sy = offset + ((i - startSeq) * charHeight);
- ex = (((group.getEndRes() + 1) - group.getStartRes()) * charWidth) - 1;
-
- if (sx + ex < 0 || sx > visWidth)
- {
- continue;
- }
+ bottom = sy + charHeight;
+ }
- if ((sx <= (endRes - startRes) * charWidth)
- && group.getSequences(null).contains(
- av.getAlignment().getSequenceAt(i)))
+ if (!inGroup)
+ {
+ if (((top == -1) && (i == 0)) || !group.getSequences(null)
+ .contains(av.getAlignment().getSequenceAt(i - 1)))
{
- 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;
-
- 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());
- }
- }
+ top = sy;
}
- 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);
- }
-
- if (sx < 0)
- {
- ex += sx;
- sx = 0;
- }
-
- if (sx + ex > visWidth)
- {
- ex = visWidth;
- }
-
- else if (sx + ex >= (endRes - startRes + 1) * charWidth)
- {
- ex = (endRes - startRes + 1) * charWidth;
- }
-
- if (top != -1)
- {
- g.drawLine(sx, top, sx + ex, top);
- top = -1;
- }
-
- if (bottom != -1)
- {
- g.drawLine(sx, bottom, sx + ex, bottom);
- bottom = -1;
- }
- inGroup = false;
- }
- }
+ 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)
- {
- ex = visWidth;
- }
- else if (sx + ex >= (endRes - startRes + 1) * charWidth)
+ // don't let width extend beyond current block, or group extent
+ // fixes JAL-2672
+ if (sx + xwidth >= (endRes - startRes + 1) * charWidth)
{
- ex = (endRes - startRes + 1) * charWidth;
+ xwidth = (endRes - startRes + 1) * charWidth - sx;
}
-
+
+ // 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
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
{
String eventName = evt.getPropertyName();
- if (true/*!av.getWrapAlignment()*/)
+ if (eventName.equals(SequenceGroup.SEQ_GROUP_CHANGED))
+ {
+ fastPaint = true;
+ repaint();
+ return;
+ }
+ else if (eventName.equals(ViewportRanges.MOVE_VIEWPORT))
+ {
+ fastPaint = false;
+ repaint();
+ return;
+ }
+
+ int scrollX = 0;
+ if (eventName.equals(ViewportRanges.STARTRES)
+ || eventName.equals(ViewportRanges.STARTRESANDSEQ))
{
- int scrollX = 0;
+ // Make sure we're not trying to draw a panel
+ // larger than the visible window
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.getEndRes() - vpRanges.getStartRes();
- if (scrollX > range)
- {
- scrollX = range;
- }
- else if (scrollX < -range)
- {
- scrollX = -range;
- }
+ }
+ else
+ {
+ scrollX = ((int[]) evt.getNewValue())[0]
+ - ((int[]) evt.getOldValue())[0];
+ }
+ ViewportRanges vpRanges = av.getRanges();
+
+ int range = vpRanges.getEndRes() - vpRanges.getStartRes();
+ if (scrollX > range)
+ {
+ scrollX = range;
+ }
+ else if (scrollX < -range)
+ {
+ scrollX = -range;
}
// Both scrolling and resizing change viewport ranges: scrolling changes
// vertical start value.
if (eventName.equals(ViewportRanges.STARTRES))
{
- // scroll - startres and endres both change
+ if (av.getWrapAlignment())
+ {
+ fastPaintWrapped(scrollX);
+ }
+ else
+ {
+ fastPaint(scrollX, 0);
+ }
+ }
+ else if (eventName.equals(ViewportRanges.STARTSEQ))
+ {
+ // scroll
+ fastPaint(0, (int) evt.getNewValue() - (int) evt.getOldValue());
+ }
+ else if (eventName.equals(ViewportRanges.STARTRESANDSEQ))
+ {
if (av.getWrapAlignment())
{
fastPaintWrapped(scrollX);
{
fastPaint(scrollX, 0);
}
- }
- else if (eventName.equals(ViewportRanges.STARTSEQ))
- {
- // scroll
- fastPaint(0, (int) evt.getNewValue() - (int) evt.getOldValue());
+ // bizarrely, we only need to scroll on the x value here as fastpaint
+ // copies the full height of the image anyway. Passing in the y value
+ // causes nasty repaint artefacts, which only disappear on a full
+ // repaint.
}
}
}
*/
protected void fastPaintWrapped(int scrollX)
{
- if (Math.abs(scrollX) > av.getRanges().getViewportWidth())
+ ViewportRanges ranges = av.getRanges();
+
+ if (Math.abs(scrollX) > ranges.getViewportWidth())
{
/*
- * shift of more than one view width is too much
- * to handle in this method
+ * 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;
- shiftWrappedAlignment(-scrollX);
+ 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);
- // add new columns (scale above, sequence, annotation)
- // at top left if scrollX < 0 or bottom right if scrollX > 0
+ gg.setFont(av.getFont());
+ gg.setColor(Color.black);
+
+ if (startRes < ranges.getVisibleAlignmentWidth())
+ {
+ drawWrappedWidth(gg, ypos, startRes, endRes, canvasHeight);
+ }
- repaint();
+ /*
+ * 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. Includes scale above, left or right and
- * annotations (if shown). Does not draw newly visible columns.
+ * 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
*/
{
return;
}
+ int charWidth = av.getCharWidth();
- int repeatHeight = getRepeatHeightWrapped();
+ int canvasHeight = getHeight();
ViewportRanges ranges = av.getRanges();
+ int viewportWidth = ranges.getViewportWidth();
int widthToCopy = (ranges.getViewportWidth() - Math.abs(positions))
* charWidth;
- int visibleWidths = getHeight() / repeatHeight;
- if (getHeight() % repeatHeight > 0)
- {
- visibleWidths++;
- }
- int viewportWidth = ranges.getViewportWidth();
- int hgap = charHeight * (av.getScaleAboveWrapped() ? 2 : 1);
+ int heightToCopy = wrappedRepeatHeightPx - wrappedSpaceAboveAlignment;
+ int xMax = ranges.getVisibleAlignmentWidth();
if (positions > 0)
{
* columns from the right margin of the row above (if any) to the
* left margin of the current row
*/
- int xpos = ranges.getStartRes() + (visibleWidths - 1) * viewportWidth;
/*
- * get y-offset of last wrapped width
+ * get y-offset of last wrapped width, first row of sequences
*/
- int y = getHeight() / repeatHeight * repeatHeight;
+ int y = canvasHeight / wrappedRepeatHeightPx * wrappedRepeatHeightPx;
+ y += wrappedSpaceAboveAlignment;
int copyFromLeftStart = labelWidthWest;
int copyFromRightStart = copyFromLeftStart + widthToCopy;
while (y >= 0)
{
- // todo limit repeatHeight for a last part height width
- gg.copyArea(copyFromLeftStart, y, widthToCopy, repeatHeight,
+ gg.copyArea(copyFromLeftStart, y, widthToCopy, heightToCopy,
positions * charWidth, 0);
if (y > 0)
{
- gg.copyArea(copyFromRightStart, y - repeatHeight, positions
- * charWidth, repeatHeight, -widthToCopy, repeatHeight);
- }
-
- if (av.getScaleLeftWrapped())
- {
- drawVerticalScale(gg, xpos, xpos + viewportWidth, y + hgap, true);
- }
- if (av.getScaleRightWrapped())
- {
- drawVerticalScale(gg, xpos, xpos + viewportWidth, y + hgap, false);
+ gg.copyArea(copyFromRightStart, y - wrappedRepeatHeightPx,
+ positions * charWidth, heightToCopy, -widthToCopy,
+ wrappedRepeatHeightPx);
}
- y -= repeatHeight;
- xpos -= viewportWidth;
+ y -= wrappedRepeatHeightPx;
}
}
else
* columns from the left margin of the row below (if any) to the
* right margin of the current row
*/
- int xpos = ranges.getStartRes();
- int y = 0;
+ int xpos = av.getRanges().getStartRes();
+ int y = wrappedSpaceAboveAlignment;
int copyFromRightStart = labelWidthWest - positions * charWidth;
- while (y < getHeight())
+ while (y < canvasHeight)
{
- // todo limit repeatHeight for a last part height width
- gg.copyArea(copyFromRightStart, y, widthToCopy, repeatHeight,
+ gg.copyArea(copyFromRightStart, y, widthToCopy, heightToCopy,
positions * charWidth, 0);
- if (y + repeatHeight < getHeight())
- {
- gg.copyArea(labelWidthWest, y + repeatHeight, -positions
- * charWidth, repeatHeight, widthToCopy, -repeatHeight);
- }
-
- if (av.getScaleLeftWrapped())
- {
- drawVerticalScale(gg, xpos, xpos + viewportWidth, y + hgap, true);
- }
- if (av.getScaleRightWrapped())
+ if (y + wrappedRepeatHeightPx < canvasHeight - wrappedRepeatHeightPx
+ && (xpos + viewportWidth <= xMax))
{
- drawVerticalScale(gg, xpos, xpos + viewportWidth, y + hgap, false);
+ gg.copyArea(labelWidthWest, y + wrappedRepeatHeightPx, -positions
+ * charWidth, heightToCopy, widthToCopy,
+ -wrappedRepeatHeightPx);
}
- y += repeatHeight;
- xpos += ranges.getViewportWidth();
+ y += wrappedRepeatHeightPx;
+ xpos += viewportWidth;
}
}
}
+
/**
* Redraws any positions in the search results in the visible region of a
* wrapped alignment. Any highlights are drawn depending on the search results
{
return false;
}
-
+ int charHeight = av.getCharHeight();
+
boolean matchFound = false;
+ calculateWrappedGeometry(getWidth(), getHeight());
int wrappedWidth = av.getWrappedWidth();
- int wrappedHeight = getRepeatHeightWrapped();
+ int wrappedHeight = wrappedRepeatHeightPx;
ViewportRanges ranges = av.getRanges();
int canvasHeight = getHeight();
}
/**
- * 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
+ * Answers the width in pixels of the left scale labels (0 if not shown)
*
* @return
*/
- protected int getRepeatHeightWrapped()
+ int getLabelWidthWest()
{
- // 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;
+ return labelWidthWest;
}
}
git://source.jalview.org / jalview.git / blobdiff