import java.util.Iterator;
import java.util.List;
-import javax.swing.JComponent;
+import javax.swing.JPanel;
/**
* The Swing component on which the alignment sequences, and annotations (if
* Wrapped mode, but not the scale above in Unwrapped mode.
*
*/
-public class SeqCanvas extends JComponent implements ViewportListenerI
+public class SeqCanvas extends JPanel implements ViewportListenerI
{
private static final String ZEROS = "0000000000";
private int wrappedVisibleWidths; // number of wrapped widths displayed
- private Graphics2D gg;
+ // Don't do this! Graphics handles are supposed to be transient
+ //private Graphics2D gg;
/**
* Creates a new SeqCanvas object.
int yPos = ypos + charHeight;
int startX = startx;
int endX = endx;
-
+
if (av.hasHiddenColumns())
{
HiddenColumns hiddenColumns = av.getAlignment().getHiddenColumns();
}
}
+
/*
* white fill the space for the scale
*/
g.drawString(valueAsString, xOffset, y);
}
}
+
}
/**
*/
public void fastPaint(int horizontal, int vertical)
{
- if (fastpainting || gg == null || img == null)
+ if (fastpainting || img == null)
{
return;
}
int transX = 0;
int transY = 0;
+ Graphics gg = img.getGraphics();
gg.copyArea(horizontal * charWidth, vertical * charHeight,
img.getWidth(), img.getHeight(), -horizontal * charWidth,
-vertical * charHeight);
gg.translate(transX, transY);
drawPanel(gg, startRes, endRes, startSeq, endSeq, 0);
gg.translate(-transX, -transY);
-
+ gg.dispose();
+
// Call repaint on alignment panel so that repaints from other alignment
// panel components can be aggregated. Otherwise performance of the
// overview window and others may be adversely affected.
@Override
public void paintComponent(Graphics g)
{
- 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);
-
- drawSelectionGroup((Graphics2D) g,
- ranges.getStartRes(), ranges.getEndRes(),
- ranges.getStartSeq(), ranges.getEndSeq());
-
+
if ((img != null) && (fastPaint
|| (getVisibleRect().width != g.getClipBounds().width)
|| (getVisibleRect().height != g.getClipBounds().height)))
|| height != img.getHeight())
{
img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
- gg = (Graphics2D) img.getGraphics();
- gg.setFont(av.getFont());
}
-
+
+ Graphics2D gg = (Graphics2D) img.getGraphics();
+ gg.setFont(av.getFont());
+
if (av.antiAlias)
{
gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
}
-
+
gg.setColor(Color.white);
gg.fillRect(0, 0, img.getWidth(), img.getHeight());
-
+
if (av.getWrapAlignment())
{
drawWrappedPanel(gg, getWidth(), getHeight(), ranges.getStartRes());
calculateWrappedGeometry(canvasWidth, canvasHeight);
/*
- * draw one width at a time (including any scales or annotation shown),
+ * draw one width at a time (excluding any scales or annotation shown),
* until we have run out of either alignment or vertical space available
*/
int ypos = wrappedSpaceAboveAlignment;
*/
wrappedRepeatHeightPx = wrappedSpaceAboveAlignment;
// add sequences
- wrappedRepeatHeightPx += av.getRanges().getViewportHeight()
+ wrappedRepeatHeightPx += av.getAlignment().getHeight()
* charHeight;
// add annotations panel height if shown
wrappedRepeatHeightPx += getAnnotationHeight();
int xOffset = labelWidthWest
+ ((startColumn - ranges.getStartRes()) % viewportWidth)
* charWidth;
+
+ // BH 2018 note: I have switched to using Graphics.create() here because it is
+ // more reliable (and simpler) to reset. The difference seems to be that SwingJS
+ // automatically sets a clipping region on an image to be the image dimensions, whereas
+ // Java sets no clip for an image. (A bug? Go figure!)
+ // Since we are using an off-screen BufferedImage here, the result is that g.getClip()
+ // returns non-null in JavaScript but not Java.
+ //
+ // Anyway, this works and, I suggest, is better design anyway.
+ //
+ // Graphics g = gg.create();
+ // mc 30/08/18 undone because gnu.jpdf.PDFGraphics doesn't handle
+ // get/setTransform
+
g.translate(xOffset, 0);
// When printing we have an extra clipped region,
// the Printable page which we need to account for here
Shape clip = g.getClip();
-
if (clip == null)
{
g.setClip(0, 0, viewportWidth * charWidth, canvasHeight);
viewportWidth * charWidth, (int) clip.getBounds().getHeight());
}
+
/*
* white fill the region to be drawn (so incremental fast paint doesn't
* scribble over an existing image)
startColumn, endx + 1);
g.translate(0, -cHeight - ypos - 3);
}
- g.setClip(clip);
+ // g.dispose();
g.translate(-xOffset, 0);
+// g.setClip(clip);
}
/**
int charWidth = av.getCharWidth();
g.setFont(av.getFont());
+
g.setColor(Color.black);
int ypos = wrappedSpaceAboveAlignment;
if (av.getScaleRightWrapped())
{
int x = labelWidthWest + viewportWidth * charWidth;
+
g.translate(x, 0);
drawVerticalScale(g, startCol, endColumn, ypos, false);
g.translate(-x, 0);
do
{
g.setColor(group.getOutlineColour());
-
drawPartialGroupOutline(g, group, startRes, endRes, startSeq,
endSeq, offset);
groupIndex++;
-
if (groupIndex >= av.getAlignment().getGroups().size())
{
break;
}
-
group = av.getAlignment().getGroups().get(groupIndex);
-
} while (groupIndex < av.getAlignment().getGroups().size());
-
}
-
}
/**
* Highlights search results in the visible region by rendering as white text
* on a black background. Any previous highlighting is removed. Answers true
* if any highlight was left on the visible alignment (so status bar should be
+ * set to match), else false. This method does _not_ set the 'fastPaint' flag,
+ * so allows the next repaint to update the whole display.
+ *
+ * @param results
+ * @return
+ */
+ public boolean highlightSearchResults(SearchResultsI results)
+ {
+ return highlightSearchResults(results, false);
+
+ }
+
+ /**
+ * Highlights search results in the visible region by rendering as white text
+ * on a black background. Any previous highlighting is removed. Answers true
+ * if any highlight was left on the visible alignment (so status bar should be
* set to match), else false.
* <p>
- * Currently fastPaint is not implemented for wrapped alignments. If a wrapped
- * alignment had to be scrolled to show the highlighted region, then it should
- * be fully redrawn, otherwise a fast paint can be performed. This argument
- * could be removed if fast paint of scrolled wrapped alignment is coded in
- * future (JAL-2609).
+ * Optionally, set the 'fastPaint' flag for a faster redraw if only the
+ * highlighted regions are modified. This speeds up highlighting across linked
+ * alignments.
+ * <p>
+ * Currently fastPaint is not implemented for scrolled wrapped alignments. If
+ * a wrapped alignment had to be scrolled to show the highlighted region, then
+ * it should be fully redrawn, otherwise a fast paint can be performed. This
+ * argument could be removed if fast paint of scrolled wrapped alignment is
+ * coded in future (JAL-2609).
*
* @param results
- * @param noFastPaint
+ * @param doFastPaint
+ * if true, sets a flag so the next repaint only redraws the modified
+ * image
* @return
*/
public boolean highlightSearchResults(SearchResultsI results,
- boolean noFastPaint)
+ boolean doFastPaint)
{
if (fastpainting)
{
boolean wrapped = av.getWrapAlignment();
try
{
- fastPaint = !noFastPaint;
+ fastPaint = doFastPaint;
fastpainting = fastPaint;
/*
*/
protected boolean drawMappedPositions(SearchResultsI results)
{
- if ((results == null) || (gg == null)) // JAL-2784 check gg is not null
+ if ((results == null) || (img == null)) // JAL-2784 check gg is not null
{
return false;
}
}
int transX = (firstCol - ranges.getStartRes()) * av.getCharWidth();
int transY = (firstSeq - ranges.getStartSeq()) * av.getCharHeight();
+ Graphics gg = img.getGraphics();
gg.translate(transX, transY);
drawPanel(gg, firstCol, lastCol, firstSeq, lastSeq, 0);
gg.translate(-transX, -transY);
+ gg.dispose();
}
return matchFound;
return;
}
- if (fastpainting || gg == null)
+ if (fastpainting || img == null)
{
return;
}
try
{
+
+ Graphics gg = img.getGraphics();
+
calculateWrappedGeometry(getWidth(), getHeight());
/*
*/
drawWrappedDecorators(gg, ranges.getStartRes());
+ gg.dispose();
+
repaint();
} finally
{
return;
}
+ Graphics gg = img.getGraphics();
+
ViewportRanges ranges = av.getRanges();
int viewportWidth = ranges.getViewportWidth();
int charWidth = av.getCharWidth();
/*
* white fill first to erase annotations
*/
+
+
gg.translate(xOffset, 0);
gg.setColor(Color.white);
gg.fillRect(labelWidthWest, ypos,
gg.translate(-xOffset, 0);
drawWrappedWidth(gg, ypos, startRes, endRes, canvasHeight);
+
}
/*
gg.setColor(Color.white);
gg.fillRect(0, canvasHeight - heightBelow, getWidth(), heightBelow);
}
- }
+ gg.dispose();
+ }
/**
* Shifts the visible alignment by the specified number of columns - left if
{
return;
}
+
+ Graphics gg = img.getGraphics();
+
int charWidth = av.getCharWidth();
int canvasHeight = getHeight();
* charWidth, heightToCopy, widthToCopy,
-wrappedRepeatHeightPx);
}
-
y += wrappedRepeatHeightPx;
xpos += viewportWidth;
}
}
+ gg.dispose();
}
*/
protected boolean drawMappedPositionsWrapped(SearchResultsI results)
{
- if ((results == null) || (gg == null)) // JAL-2784 check gg is not null
+ if ((results == null) || (img == null)) // JAL-2784 check gg is not null
{
return false;
}
int gapHeight = charHeight * (av.getScaleAboveWrapped() ? 2 : 1);
+
+ Graphics gg = img.getGraphics();
+
for (int seqNo = ranges.getStartSeq(); seqNo <= ranges
.getEndSeq(); seqNo++)
{
}
}
+ gg.dispose();
+
return matchFound;
}
git://source.jalview.org / jalview.git / blobdiff