/**
* Utility method to feed a {@link PathConsumer2D} object from a given {@link PathIterator}. This
* method deals with the details of running the iterator and feeding the consumer a segment at a
* time.
*/
public static void feedConsumer(PathIterator pi, PathConsumer2D consumer) {
float coords[] = new float[6];
while (!pi.isDone()) {
switch (pi.currentSegment(coords)) {
case PathIterator.SEG_MOVETO:
consumer.moveTo(coords[0], coords[1]);
break;
case PathIterator.SEG_LINETO:
consumer.lineTo(coords[0], coords[1]);
break;
case PathIterator.SEG_QUADTO:
consumer.quadTo(
coords[0], coords[1],
coords[2], coords[3]);
break;
case PathIterator.SEG_CUBICTO:
consumer.curveTo(
coords[0], coords[1],
coords[2], coords[3],
coords[4], coords[5]);
break;
case PathIterator.SEG_CLOSE:
consumer.closePath();
break;
}
pi.next();
}
}
public void pathDone() {
if (firstSegidx > 0) {
out.moveTo(sx, sy);
emitFirstSegments();
}
out.pathDone();
}
public void strokeTo(
Shape src,
AffineTransform at,
BasicStroke bs,
boolean thin,
boolean normalize,
boolean antialias,
PathConsumer2D consumer) {
System.out.println(
name
+ ".strokeTo("
+ src.getClass().getName()
+ ", "
+ at
+ ", "
+ bs
+ ", "
+ (thin ? "thin" : "wide")
+ ", "
+ (normalize ? "normalized" : "pure")
+ ", "
+ (antialias ? "AA" : "non-AA")
+ ", "
+ consumer.getClass().getName()
+ ")");
target.strokeTo(src, at, bs, thin, normalize, antialias, consumer);
}
private void emitSeg(float[] buf, int off, int type) {
switch (type) {
case 8:
out.curveTo(
buf[off + 0], buf[off + 1],
buf[off + 2], buf[off + 3],
buf[off + 4], buf[off + 5]);
break;
case 6:
out.quadTo(
buf[off + 0], buf[off + 1],
buf[off + 2], buf[off + 3]);
break;
case 4:
out.lineTo(buf[off], buf[off + 1]);
}
}
public void closePath() {
lineTo(sx, sy);
if (firstSegidx > 0) {
if (!dashOn || needsMoveTo) {
out.moveTo(sx, sy);
}
emitFirstSegments();
}
moveTo(sx, sy);
}
public void moveTo(float x0, float y0) {
if (firstSegidx > 0) {
out.moveTo(sx, sy);
emitFirstSegments();
}
needsMoveTo = true;
this.idx = startIdx;
this.dashOn = this.startDashOn;
this.phase = this.startPhase;
this.sx = this.x0 = x0;
this.sy = this.y0 = y0;
this.starting = true;
}
// precondition: pts must be in relative coordinates (relative to x0,y0)
// fullCurve is true iff the curve in pts has not been split.
private void goTo(float[] pts, int off, final int type) {
float x = pts[off + type - 4];
float y = pts[off + type - 3];
if (dashOn) {
if (starting) {
firstSegmentsBuffer = Helpers.widenArray(firstSegmentsBuffer, firstSegidx, type - 2);
firstSegmentsBuffer[firstSegidx++] = type;
System.arraycopy(pts, off, firstSegmentsBuffer, firstSegidx, type - 2);
firstSegidx += type - 2;
} else {
if (needsMoveTo) {
out.moveTo(x0, y0);
needsMoveTo = false;
}
emitSeg(pts, off, type);
}
} else {
starting = false;
needsMoveTo = true;
}
this.x0 = x;
this.y0 = y;
}