int transX = 0;
int transY = 0;
- gg.copyArea(horizontal * charWidth, vertical * charHeight,
- img.getWidth(), img.getHeight(), -horizontal * charWidth,
- -vertical * charHeight);
+ gg.copyArea(horizontal * charWidth, vertical * charHeight,
+ img.getWidth(), img.getHeight(), -horizontal * charWidth,
+ -vertical * charHeight);
- if (horizontal > 0) // scrollbar pulled right, image to the left
- {
- transX = (endRes - startRes - horizontal) * charWidth;
- startRes = endRes - horizontal;
- }
- else if (horizontal < 0)
- {
- endRes = startRes - horizontal;
- }
- else if (vertical > 0) // scroll down
- {
- startSeq = endSeq - vertical;
-
- if (startSeq < ranges.getStartSeq())
- { // ie scrolling too fast, more than a page at a time
- startSeq = ranges.getStartSeq();
+ if (horizontal > 0) // scrollbar pulled right, image to the left
+ {
+ transX = (endRes - startRes - horizontal) * charWidth;
+ startRes = endRes - horizontal;
}
- else
+ else if (horizontal < 0)
{
- transY = img.getHeight() - ((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();
+ }
+ }
+
+ gg.translate(transX, transY);
+ drawPanel(gg, startRes, endRes, startSeq, endSeq, 0);
+ gg.translate(-transX, -transY);
- repaint();
+ repaint();
} finally
{
fastpainting = false;
// 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 (av.cursorMode)
+ {
+ drawCursor(g, ranges.getStartRes(), ranges.getEndRes(),
+ ranges.getStartSeq(), ranges.getEndSeq());
}
}
AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
g2d.drawImage(selectImage, 0, 0, this);
}
+
g2d.dispose();
return lcimg;
* ensuring a part height includes at least one sequence
*/
ViewportRanges ranges = av.getRanges();
- int xMax = ranges.getVisibleAlignmentWidth();
wrappedVisibleWidths = canvasHeight / wrappedRepeatHeightPx;
int remainder = canvasHeight % wrappedRepeatHeightPx;
if (remainder >= (wrappedSpaceAboveAlignment + charHeight))
/*
* limit visibleWidths to not exceed width of alignment
*/
- int maxWidths = (xMax - ranges.getStartRes()) / wrappedWidthInResidues;
- if (xMax % wrappedWidthInResidues > 0)
+ int xMax = ranges.getVisibleAlignmentWidth();
+ int startToEnd = xMax - ranges.getStartRes();
+ int maxWidths = startToEnd / wrappedWidthInResidues;
+ if (startToEnd % wrappedWidthInResidues > 0)
{
maxWidths++;
}
* 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);
}
/**
+ * Draws markers (triangles) above hidden column positions between startColumn
+ * and endColumn.
+ *
* @param g
* @param ypos
* @param startColumn
{
int res = pos - startColumn;
- if (res < 0 || res > endColumn - startColumn)
+ if (res < 0 || res > endColumn - startColumn + 1)
{
continue;
}
int canvasWidth,
int canvasHeight, int startRes)
{
- int charHeight = av.getCharHeight();
- int charWidth = av.getCharWidth();
-
+ int charHeight = av.getCharHeight();
+ int charWidth = av.getCharWidth();
+
// height gap above each panel
int hgap = charHeight;
if (av.getScaleAboveWrapped())
}
}
}
-
- if (av.cursorMode && cursorY == i && cursorX >= startRes
- && cursorX <= endRes)
- {
- seqRdr.drawCursor(nextSeq, cursorX, (cursorX - startRes) * charWidth,
- offset + ((i - startSeq) * charHeight));
- }
}
if (av.getSelectionGroup() != null
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 drawUnwrappedSelection(Graphics2D g, SequenceGroup group,
int startRes, int endRes, int startSeq, int endSeq, int offset)
{
- int charWidth = av.getCharWidth();
-
+ 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 charHeight = av.getCharHeight();
+ int charWidth = av.getCharWidth();
+
int visWidth = (endRes - startRes + 1) * charWidth;
int oldY = -1;
{
fastPaint = true;
repaint();
+ return;
+ }
+ else if (eventName.equals(ViewportRanges.MOVE_VIEWPORT))
+ {
+ fastPaint = false;
+ repaint();
+ return;
}
- else if (eventName.equals(ViewportRanges.STARTRES))
+
+ 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();
- // Both scrolling and resizing change viewport ranges: scrolling changes
- // both start and end points, but resize only changes end values.
- // Here we only want to fastpaint on a scroll, with resize using a normal
- // paint, so scroll events are identified as changes to the horizontal or
- // vertical start value.
-
- // scroll - startres and endres both change
- if (av.getWrapAlignment())
+ int range = vpRanges.getEndRes() - vpRanges.getStartRes();
+ if (scrollX > range)
+ {
+ scrollX = range;
+ }
+ else if (scrollX < -range)
+ {
+ scrollX = -range;
+ }
+
+ // Both scrolling and resizing change viewport ranges: scrolling changes
+ // both start and end points, but resize only changes end values.
+ // Here we only want to fastpaint on a scroll, with resize using a normal
+ // paint, so scroll events are identified as changes to the horizontal or
+ // vertical start value.
+ if (eventName.equals(ViewportRanges.STARTRES))
+ {
+ if (av.getWrapAlignment())
+ {
+ fastPaintWrapped(scrollX);
+ }
+ else
+ {
+ fastPaint(scrollX, 0);
+ }
+ }
+ else if (eventName.equals(ViewportRanges.STARTSEQ))
+ {
+ // scroll
+ fastPaint(0, (int) evt.getNewValue() - (int) evt.getOldValue());
+ }
+ else if (eventName.equals(ViewportRanges.STARTRESANDSEQ))
+ {
+ if (av.getWrapAlignment())
{
fastPaintWrapped(scrollX);
}
{
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.
}
}
}