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;
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 seqRdr;
-
BufferedImage img;
- Graphics2D gg;
-
AlignViewport av;
- boolean fastPaint = false;
+ int cursorX = 0;
- int labelWidthWest;
+ int cursorY = 0;
- int labelWidthEast;
+ 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
+
+ private int wrappedSpaceAboveAlignment; // gap between widths
- boolean fastpainting = false;
+ private int wrappedRepeatHeightPx; // height in pixels of wrapped width
- AnnotationPanel annotations;
+ 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());
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<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);
}
}
}
/**
- * 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 = labelWidthWest - 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
+ * <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)
{
}
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;
+ 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,
gg.translate(-transX, -transY);
repaint();
- fastpainting = false;
+ } finally
+ {
+ fastpainting = false;
+ }
}
@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();
g.drawImage(lcimg, 0, 0, this);
}
}
-
+
/**
* Draw an alignment panel for printing
*
{
BufferedImage lcimg = null;
+ int charWidth = av.getCharWidth();
+ int charHeight = av.getCharHeight();
+
int width = getWidth();
int height = getHeight();
*/
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
*/
- 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();
+ int wrappedWidthInResidues = calculateWrappedGeometry(canvasWidth,
+ canvasHeight);
- int labelWidth = 0;
- if (av.getScaleRightWrapped() || av.getScaleLeftWrapped())
+ av.setWrappedWidth(wrappedWidthInResidues);
+
+ 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))
{
- FontMetrics fm = getFontMetrics(av.getFont());
- labelWidth = getLabelWidth(fm);
+ int endColumn = Math
+ .min(maxWidth, start + wrappedWidthInResidues - 1);
+ drawWrappedWidth(g, ypos, start, endColumn, canvasHeight);
+ ypos += wrappedRepeatHeightPx;
+ start += wrappedWidthInResidues;
+ currentWidth++;
}
- labelWidthEast = av.getScaleRightWrapped() ? labelWidth : 0;
- labelWidthWest = av.getScaleLeftWrapped() ? labelWidth : 0;
+ drawWrappedDecorators(g, startColumn);
+ }
- int hgap = charHeight;
- if (av.getScaleAboveWrapped())
+ /**
+ * 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();
+
+ /*
+ * 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))
{
- hgap += charHeight;
+ wrappedVisibleWidths++;
}
- int cWidth = (canvasWidth - labelWidthEast - labelWidthWest) / charWidth;
- int cHeight = av.getAlignment().getHeight() * charHeight;
+ /*
+ * compute width in residues; this also sets East and West label widths
+ */
+ int wrappedWidthInResidues = getWrappedCanvasWidth(canvasWidth);
- av.setWrappedWidth(cWidth);
+ /*
+ * 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)
+ {
+ maxWidths++;
+ }
+ wrappedVisibleWidths = Math.min(wrappedVisibleWidths, maxWidths);
- av.getRanges().setViewportStartAndWidth(startRes, cWidth);
+ return wrappedWidthInResidues;
+ }
- int endx;
- int ypos = hgap;
- int maxwidth = av.getAlignment().getWidth();
+ /**
+ * 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();
- if (av.hasHiddenColumns())
+ 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)
{
- maxwidth = av.getAlignment().getHiddenColumns()
- .findColumnPosition(maxwidth);
+ g.setClip(0, 0, viewportWidth * charWidth, canvasHeight);
+ }
+ else
+ {
+ g.setClip(0, (int) clip.getBounds().getY(),
+ viewportWidth * charWidth, (int) clip.getBounds().getHeight());
}
- int annotationHeight = getAnnotationHeight();
+ /*
+ * 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);
- while ((ypos <= canvasHeight) && (startRes < maxwidth))
- {
- endx = startRes + cWidth - 1;
+ drawPanel(g, startColumn, endx, 0, av.getAlignment().getHeight() - 1,
+ ypos);
- if (endx > maxwidth)
+ int cHeight = av.getAlignment().getHeight() * av.getCharHeight();
+
+ if (av.isShowAnnotation())
+ {
+ 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 - labelWidthEast, 0);
- drawEastScale(g, startRes, endx, ypos);
- g.translate(-(canvasWidth - labelWidthEast), 0);
+ 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);
+
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<Integer> 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<Integer> 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(-labelWidthWest, 0);
-
- ypos += cHeight + annotationHeight + 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);
}
}
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())
* marker.
*
* @param g1
- * Graphics object to draw with
+ * 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());
seqRdr.prepare(g, av.isRenderGaps());
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,
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;
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
return matchFound;
}
-
@Override
public void propertyChange(PropertyChangeEvent evt)
{
{
fastPaint = true;
repaint();
+ return;
}
- else if (av.getWrapAlignment())
+
+ int scrollX = 0;
+ if (eventName.equals(ViewportRanges.STARTRES)
+ || eventName.equals(ViewportRanges.STARTRESANDSEQ))
{
- if (eventName.equals(ViewportRanges.STARTRES)
- || eventName.equals(ViewportRanges.STARTRESANDSEQ))
+ // Make sure we're not trying to draw a panel
+ // larger than the visible window
+ if (eventName.equals(ViewportRanges.STARTRES))
{
- repaint();
+ scrollX = (int) evt.getNewValue() - (int) evt.getOldValue();
}
- }
- else
- {
- int scrollX = 0;
- if (eventName.equals(ViewportRanges.STARTRES)
- || eventName.equals(ViewportRanges.STARTRESANDSEQ))
+ else
{
- // Make sure we're not trying to draw a panel
- // larger than the visible window
- if (eventName.equals(ViewportRanges.STARTRES))
- {
- scrollX = (int) evt.getNewValue() - (int) evt.getOldValue();
- }
- else
- {
- scrollX = ((int[]) evt.getNewValue())[0]
- - ((int[]) evt.getOldValue())[0];
- }
- ViewportRanges vpRanges = av.getRanges();
+ 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;
- }
+ 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
- fastPaint(scrollX, 0);
+ if (av.getWrapAlignment())
+ {
+ fastPaintWrapped(scrollX);
+ }
+ else
+ {
+ fastPaint(scrollX, 0);
+ }
}
else if (eventName.equals(ViewportRanges.STARTSEQ))
{
}
/**
+ * 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)
+ {
+ /*
+ * 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)
+ {
+ gg.copyArea(copyFromLeftStart, y, widthToCopy, heightToCopy,
+ positions * charWidth, 0);
+ if (y > 0)
+ {
+ gg.copyArea(copyFromRightStart, y - wrappedRepeatHeightPx,
+ positions * charWidth, heightToCopy, -widthToCopy,
+ wrappedRepeatHeightPx);
+ }
+
+ 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))
+ {
+ gg.copyArea(labelWidthWest, y + wrappedRepeatHeightPx, -positions
+ * charWidth, heightToCopy, widthToCopy,
+ -wrappedRepeatHeightPx);
+ }
+
+ 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
* set on the Viewport, not the <code>results</code> argument. This allows
{
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
- *
- * @return
- */
- protected int getRepeatHeightWrapped()
- {
- // gap (and maybe scale) above
- int repeatHeight = charHeight * (av.getScaleAboveWrapped() ? 2 : 1);
-
- // add sequences
- repeatHeight += av.getRanges().getViewportHeight() * charHeight;
-
- // add annotations panel height if shown
- repeatHeight += getAnnotationHeight();
-
- return repeatHeight;
- }
-
- /**
* Answers the width in pixels of the left scale labels (0 if not shown)
*
* @return
git://source.jalview.org / jalview.git / commitdiff