protected void paintFigure(Graphics graphics) {
int alpha = 0x60;
graphics.setAntialias(SWT.ON);
if (control != null && !control.isDisposed() && control.isEnabled()) {
graphics.setAlpha(0xff);
} else {
graphics.setAlpha(0x90);
}
Rectangle r = getBounds();
Path shape = new Path(Display.getCurrent());
float corner = Math.max(2, (vertical ? r.width : r.height) / 2);
SWTUtils.addRoundedRectangle(shape, r.x, r.y, r.width - 1, r.height - 1, corner);
Pattern pattern =
new Pattern(
Display.getCurrent(), //
r.x,
r.y, //
vertical ? r.right() - 1 : r.x, //
vertical ? r.y : r.bottom() - 1, //
ColorConstants.gray,
alpha, //
ColorConstants.lightGray,
alpha);
graphics.setBackgroundPattern(pattern);
graphics.fillPath(shape);
graphics.setBackgroundPattern(null);
pattern.dispose();
graphics.setAlpha(alpha);
graphics.setForegroundColor(ColorConstants.gray);
graphics.drawPath(shape);
shape.dispose();
}
/**
* Sets the clip region.
*
* @param clip the clip.
*/
@Override
public void setClip(Shape clip) {
if (clip == null) {
return;
}
Path clipPath = toSwtPath(clip);
this.gc.setClipping(clipPath);
clipPath.dispose();
}
/**
* Fills the specified shape using the current paint.
*
* @param shape the shape ({@code null} not permitted).
* @see #getPaint()
* @see #draw(Shape)
*/
@Override
public void fill(Shape shape) {
Path path = toSwtPath(shape);
// Note that for consistency with the AWT implementation, it is
// necessary to switch temporarily the foreground and background
// colors
switchColors();
this.gc.fillPath(path);
switchColors();
path.dispose();
}
/**
* Create horizontal line
*
* @param display - active {@link Display}
* @param g - active {@link ViewportGraphics}
* @param sx - Square width
* @param lw - line width
* @param current - Current square coordinate (corner)
* @param next - Next square coordinate (corner)
* @param gap - Gap where label is inserted (pixels)
* @param bold - flag controlling line width
* @param lines - already created square lines
* @return 'next' coordinate
*/
private Point horz(
Display display,
ViewportGraphics g,
int sx,
int lw,
Point current,
Point next,
boolean gap,
boolean bold,
List<Line> lines) {
// Initialize
List<Path> paths = new ArrayList<Path>(2);
// Create first segment
Path path = new Path(display);
// Move to last point
path.moveTo(current.x, current.y);
// Insert gap?
if (gap) {
// Calculate gap/2
int offset = Math.max(1, g.getFontHeight());
// End first segment before mid-point
Point p = offset(current, next, -offset);
path.lineTo(p.x, p.y);
paths.add(path);
// Create second segment
path = new Path(display);
// Move past mid-point
p = offset(current, next, offset);
path.moveTo(p.x, p.y);
}
// Close path
path.lineTo(next.x - (bold ? 2 * lw : lw), next.y);
paths.add(path);
lines.add(new Line(paths, bold ? 2 * lw : lw));
// Finished
return gap ? offset(current, next, 0) : next;
}
@Override
protected void outlineShape(Graphics graphics) {
graphics.setAntialias(SWT.ON);
final int lineWidth = getLineWidth();
int oldLineWidth = graphics.getLineWidth();
graphics.setLineWidth(lineWidth);
// get Path
Rectangle pathbounds = getBounds();
Path path = createPath(pathbounds, graphics);
graphics.drawPath(path);
// reset Graphics
path.dispose();
graphics.setLineWidth(oldLineWidth);
}
/**
* Converts an AWT {@code Shape} into a SWT {@code Path}.
*
* @param shape the shape ({@code null} not permitted).
* @return The path.
*/
private Path toSwtPath(Shape shape) {
int type;
float[] coords = new float[6];
Path path = new Path(this.gc.getDevice());
PathIterator pit = shape.getPathIterator(null);
while (!pit.isDone()) {
type = pit.currentSegment(coords);
switch (type) {
case (PathIterator.SEG_MOVETO):
path.moveTo(coords[0], coords[1]);
break;
case (PathIterator.SEG_LINETO):
path.lineTo(coords[0], coords[1]);
break;
case (PathIterator.SEG_QUADTO):
path.quadTo(coords[0], coords[1], coords[2], coords[3]);
break;
case (PathIterator.SEG_CUBICTO):
path.cubicTo(coords[0], coords[1], coords[2], coords[3], coords[4], coords[5]);
break;
case (PathIterator.SEG_CLOSE):
path.close();
break;
default:
break;
}
pit.next();
}
return path;
}
/**
* Convert an AWT Shape to an SWT Path.
*
* @param shape
* @return the SWT Path or <code>null</code> if <code>shape == null</code>
*/
private Path convertToPath(Shape shape) {
if (shape == null) {
return null;
}
Path path = new Path(_gc.getDevice());
PathIterator iter = shape.getPathIterator(null);
float[] coords = new float[6];
while (!iter.isDone()) {
int op = iter.currentSegment(coords);
switch (op) {
case PathIterator.SEG_MOVETO:
path.moveTo(coords[0], coords[1]);
break;
case PathIterator.SEG_LINETO:
path.lineTo(coords[0], coords[1]);
break;
case PathIterator.SEG_QUADTO:
path.quadTo(coords[0], coords[1], coords[2], coords[3]);
break;
case PathIterator.SEG_CUBICTO:
path.cubicTo(coords[0], coords[1], coords[2], coords[3], coords[4], coords[5]);
break;
case PathIterator.SEG_CLOSE:
path.close();
break;
}
iter.next();
}
return path;
}
public void setClip(Shape s) {
Path path = convertToPath(s);
if (path == null) {
_gc.setClipping((Rectangle) null);
} else {
_gc.setClipping(path);
}
if (_clippingPath != null) {
_clippingPath.dispose();
}
_clippingPath = path;
_clippingArea = (s == null ? null : new Area(s));
}
/** Clean used resources. */
public void clean() {
if (_clippingPath != null) {
_gc.setClipping((Rectangle) null);
_clippingPath.dispose();
_clippingPath = null;
_clippingArea = null;
}
if (_color != null) {
_color.dispose();
_color = null;
}
if (_transform != null) {
_gc.setTransform(null);
_transform.dispose();
}
}
public Path(Device device, Path path, float flatness) {
super(device);
if (path == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
if (path.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
flatness = Math.max(0, flatness);
if (flatness == 0) {
handle = new NSBezierPath(path.handle.copy().id);
} else {
float defaultFlatness = NSBezierPath.defaultFlatness();
NSBezierPath.setDefaultFlatness(flatness);
handle = path.handle.bezierPathByFlatteningPath();
NSBezierPath.setDefaultFlatness(defaultFlatness);
}
if (handle == null) SWT.error(SWT.ERROR_NO_HANDLES);
init();
}
/**
* Applies the specified clip.
*
* @param s the shape for the clip.
*/
@Override
public void clip(Shape s) {
Path path = toSwtPath(s);
this.gc.setClipping(path);
path.dispose();
}
/** Draw the icon */
protected void drawIcon(Graphics graphics) {
graphics.setLineWidth(1);
graphics.setForegroundColor(ColorConstants.black);
graphics.setBackgroundColor(ColorConstants.black);
Point pt = getIconOrigin();
Path path = new Path(null);
graphics.setLineWidthFloat(1.2f);
path.addArc(pt.x, pt.y, 13, 13, 0, 360);
graphics.drawPath(path);
path.dispose();
graphics.fillOval(pt.x + 5, pt.y + 5, 4, 4);
graphics.setLineWidth(1);
path = new Path(null);
path.moveTo(pt.x - 2, pt.y + 6.5f);
path.lineTo(pt.x + 15, pt.y + 6.5f);
path.moveTo(pt.x + 6.5f, pt.y - 2);
path.lineTo(pt.x + 6.5f, pt.y + 15);
path.moveTo(pt.x + 0.5f, pt.y + 0.5f);
path.lineTo(pt.x + 12.5f, pt.y + 12.5f);
path.moveTo(pt.x + 0.5f, pt.y + 12.5f);
path.lineTo(pt.x + 12.5f, pt.y + 0.5f);
graphics.drawPath(path);
path.dispose();
}
/**
* Adds to the receiver the path described by the parameter.
*
* @param path the path to add to the receiver
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT - if the parameter is null
* <li>ERROR_INVALID_ARGUMENT - if the parameter has been disposed
* </ul>
*
* @exception SWTException
* <ul>
* <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed
* </ul>
*/
public void addPath(Path path) {
if (isDisposed()) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED);
if (path == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
if (path.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
handle.appendBezierPath(path.handle);
}
/** Draw the icon */
protected void drawIcon(Graphics graphics) {
graphics.pushState();
graphics.setLineWidthFloat(1);
graphics.setForegroundColor(isEnabled() ? ColorConstants.black : ColorConstants.gray);
Point pt = getIconOrigin();
Path path = new Path(null);
path.addArc(pt.x, pt.y, 5, 5, 0, 360);
path.addArc(pt.x + 2, pt.y - 8, 5, 5, 0, 360);
path.addArc(pt.x + 10, pt.y - 8, 5, 5, 0, 360);
path.addArc(pt.x + 8, pt.y, 5, 5, 0, 360);
path.moveTo(pt.x + 3, pt.y);
path.lineTo(pt.x + 4, pt.y - 3);
path.moveTo(pt.x + 11, pt.y);
path.lineTo(pt.x + 12, pt.y - 3);
path.moveTo(pt.x + 5, pt.y + 2.5f);
path.lineTo(pt.x + 8, pt.y + 2.5f);
path.moveTo(pt.x + 7, pt.y - 5.5f);
path.lineTo(pt.x + 10, pt.y - 5.5f);
graphics.drawPath(path);
path.dispose();
graphics.popState();
}
/**
* Draws the outline of the specified shape using the current stroke and paint settings.
*
* @param shape the shape ({@code null} not permitted).
* @see #getPaint()
* @see #getStroke()
* @see #fill(Shape)
*/
@Override
public void draw(Shape shape) {
Path path = toSwtPath(shape);
this.gc.drawPath(path);
path.dispose();
}
public void fill(Shape s) {
Path p = convertToPath(s);
_gc.fillPath(p);
p.dispose();
}
protected Path createPointPath(Device device) {
Point point = geom.getShell().getPoint(0);
Path path = new Path(device);
path.addRectangle(point.getX() - 2, point.getY() - 2, 4, 4);
return path;
}
