*/
public class SeqCanvas extends JComponent implements ViewportListenerI
{
+ /**
+ * vertical gap in pixels between sequences and annotations when in wrapped mode
+ */
+ static final int SEQS_ANNOTATION_GAP = 3;
+
private static final String ZEROS = "0000000000";
final FeatureRenderer fr;
private int labelWidthWest; // label left width in pixels if shown
- private int wrappedSpaceAboveAlignment; // gap between widths
+ int wrappedSpaceAboveAlignment; // gap between widths
- private int wrappedRepeatHeightPx; // height in pixels of wrapped width
+ int wrappedRepeatHeightPx; // height in pixels of wrapped width
private int wrappedVisibleWidths; // number of wrapped widths displayed
}
/**
- * Draw a wrapped alignment panel for printing
+ * Draws a wrapped alignment panel for printing. After drawing, the graphics
+ * origin is shifted down by the height of the image drawn.
*
* @param g
- * Graphics object to draw with
+ * Graphics object to draw with
* @param canvasWidth
- * width of drawing area
+ * width of drawing area
* @param canvasHeight
- * height of drawing area
+ * height of drawing area
* @param startRes
- * start residue of print area
+ * start residue of print area
*/
public void drawWrappedPanelForPrinting(Graphics g, int canvasWidth,
int canvasHeight, int startRes)
{
- drawWrappedPanel(g, canvasWidth, canvasHeight, startRes);
+ int heightDrawn = drawWrappedPanel(g, canvasWidth, canvasHeight,
+ startRes);
SequenceGroup group = av.getSelectionGroup();
if (group != null)
drawWrappedSelection((Graphics2D) g, group, canvasWidth, canvasHeight,
startRes);
}
+
+ /*
+ * shift graphics (0, 0) to below the region drawn
+ */
+ g.translate(0, heightDrawn);
}
/**
}
/**
- * Draws as many widths of a wrapped alignment as can fit in the visible
- * window
+ * Draws as many widths of a wrapped alignment as can fit in the visible window,
+ * and returns the height drawn in pixels
*
* @param g
* @param canvasWidth
- * available width in pixels
+ * available width in pixels
* @param canvasHeight
- * available height in pixels
+ * available height in pixels
* @param startColumn
- * the first column (0...) of the alignment to draw
+ * the first column (0...) of the alignment to draw
+ *
+ * @return
*/
- public void drawWrappedPanel(Graphics g, int canvasWidth,
+ public int drawWrappedPanel(Graphics g, int canvasWidth,
int canvasHeight, final int startColumn)
{
int wrappedWidthInResidues = calculateWrappedGeometry(canvasWidth,
canvasHeight);
-
av.setWrappedWidth(wrappedWidthInResidues);
ViewportRanges ranges = av.getRanges();
calculateWrappedGeometry(canvasWidth, canvasHeight);
/*
- * draw one width at a time (excluding any scales or annotation shown),
+ * draw one width at a time (excluding any scales shown),
* until we have run out of either alignment or vertical space available
*/
int ypos = wrappedSpaceAboveAlignment;
}
drawWrappedDecorators(g, startColumn);
+
+ return ypos;
}
/**
* (av.getScaleAboveWrapped() ? 2 : 1);
/*
- * height in pixels of the wrapped widths
+ * compute height in pixels of the wrapped widths
+ * - start with space above plus sequences
*/
wrappedRepeatHeightPx = wrappedSpaceAboveAlignment;
- // add sequences
wrappedRepeatHeightPx += av.getAlignment().getHeight()
* charHeight;
- // add annotations panel height if shown
- wrappedRepeatHeightPx += getAnnotationHeight();
+
+ /*
+ * add annotations panel height if shown
+ * also gap between sequences and annotations
+ */
+ if (av.isShowAnnotation())
+ {
+ wrappedRepeatHeightPx += getAnnotationHeight();
+ wrappedRepeatHeightPx += SEQS_ANNOTATION_GAP; // 3px
+ }
/*
* number of visible widths (the last one may be part height),
* @param endColumn
* @param canvasHeight
*/
- protected void drawWrappedWidth(Graphics g, int ypos, int startColumn,
- int endColumn, int canvasHeight)
+ protected void drawWrappedWidth(Graphics g, final int ypos,
+ final int startColumn, final int endColumn,
+ final int canvasHeight)
{
ViewportRanges ranges = av.getRanges();
int viewportWidth = ranges.getViewportWidth();
// the Printable page which we need to account for here
Shape clip = g.getClip();
- if (clip == null)
- {
- g.setClip(0, 0, viewportWidth * charWidth, canvasHeight);
- }
- else
+ if (clip != null)
{
g.setClip(0, (int) clip.getBounds().getY(),
viewportWidth * charWidth, (int) clip.getBounds().getHeight());
if (av.isShowAnnotation())
{
- g.translate(0, cHeight + ypos + 3);
+ final int yShift = cHeight + ypos + SEQS_ANNOTATION_GAP;
+ g.translate(0, yShift);
if (annotations == null)
{
annotations = new AnnotationPanel(av);
annotations.renderer.drawComponent(annotations, av, g, -1,
startColumn, endx + 1);
- g.translate(0, -cHeight - ypos - 3);
+ g.translate(0, -yShift);
}
- g.setClip(clip);
+
+ if (clip != null)
+ {
+ g.setClip(clip);
+ }
+
g.translate(-xOffset, 0);
}
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())
- {
- hgap += charHeight;
- }
-
- int cWidth = (canvasWidth - labelWidthEast - labelWidthWest)
- / charWidth;
- int cHeight = av.getAlignment().getHeight() * charHeight;
-
- int startx = startRes;
- int endx;
- int ypos = hgap; // vertical offset
- int maxwidth = av.getAlignment().getWidth();
-
- if (av.hasHiddenColumns())
- {
- maxwidth = av.getAlignment().getHiddenColumns()
- .absoluteToVisibleColumn(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
g.setStroke(new BasicStroke(1, BasicStroke.CAP_BUTT,
BasicStroke.JOIN_ROUND, 3f, new float[]
{ 5f, 3f }, 0f));
g.setColor(Color.RED);
+
+ int charWidth = av.getCharWidth();
+ int cWidth = (canvasWidth - labelWidthEast - labelWidthWest)
+ / charWidth;
+ int startx = startRes;
+ int maxwidth = av.getAlignment().getVisibleWidth();
+ int ypos = wrappedSpaceAboveAlignment;
+
while ((ypos <= canvasHeight) && (startx < maxwidth))
{
// set end value to be start + width, or maxwidth, whichever is smaller
- endx = startx + cWidth - 1;
+ int endx = startx + cWidth - 1;
if (endx > maxwidth)
{
}
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;
+ ypos += wrappedRepeatHeightPx;
- // update horizontal offset
startx += cWidth;
}
g.setStroke(new BasicStroke());
}
+ /**
+ * Answers zero if annotations are not shown, otherwise recalculates and answers
+ * the total height of all annotation rows in pixels
+ *
+ * @return
+ */
int getAnnotationHeight()
{
if (!av.isShowAnnotation())
}
ViewportRanges vpRanges = av.getRanges();
- int range = vpRanges.getEndRes() - vpRanges.getStartRes();
+ int range = vpRanges.getEndRes() - vpRanges.getStartRes() + 1;
if (scrollX > range)
{
scrollX = range;
{
ViewportRanges ranges = av.getRanges();
- if (Math.abs(scrollX) > ranges.getViewportWidth())
+ if (Math.abs(scrollX) >= ranges.getViewportWidth())
{
/*
- * shift of more than one view width is
+ * shift of one view width or more is
* overcomplicated to handle in this method
*/
fastPaint = false;
while (y >= 0)
{
+ /*
+ * shift 'widthToCopy' residues by 'positions' places to the right
+ */
gg.copyArea(copyFromLeftStart, y, widthToCopy, heightToCopy,
positions * charWidth, 0);
if (y > 0)
{
+ /*
+ * copy 'positions' residue from the row above (right hand end)
+ * to this row's left hand end
+ */
gg.copyArea(copyFromRightStart, y - wrappedRepeatHeightPx,
positions * charWidth, heightToCopy, -widthToCopy,
wrappedRepeatHeightPx);
git://source.jalview.org / jalview.git / blobdiff