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hub / github.com/AstroImageJ/astroimagej / drawPixels

Method drawPixels

ij/src/main/java/ij/gui/ShapeRoi.java:1000–1022  ·  view source on GitHub ↗

Draws the shape of this object onto the specified ImageProcessor. This method will always draw a flattened version of the actual shape (i.e., all curve segments will be approximated by line segments).

(ImageProcessor ip)

Source from the content-addressed store, hash-verified

998 * (i.e., all curve segments will be approximated by line segments).
999 */
1000 public void drawPixels(ImageProcessor ip) {
1001 PathIterator pIter = shape.getPathIterator(new AffineTransform(), flatness);
1002 float[] coords = new float[6];
1003 float sx=0f, sy=0f;
1004 while (!pIter.isDone()) {
1005 int segType = pIter.currentSegment(coords);
1006 switch(segType) {
1007 case PathIterator.SEG_MOVETO:
1008 sx = coords[0];
1009 sy = coords[1];
1010 ip.moveTo(x+(int)sx, y+(int)sy);
1011 break;
1012 case PathIterator.SEG_LINETO:
1013 ip.lineTo(x+(int)coords[0], y+(int)coords[1]);
1014 break;
1015 case PathIterator.SEG_CLOSE:
1016 ip.lineTo(x+(int)sx, y+(int)sy);
1017 break;
1018 default: break;
1019 }
1020 pIter.next();
1021 }
1022 }
1023
1024 /** Returns this ROI's mask pixels as a ByteProcessor with pixels "in" the mask
1025 * set to white (255) and pixels "outside" the mask set to black (0).

Callers 1

drawPixelsMethod · 0.95

Calls 5

isDoneMethod · 0.80
nextMethod · 0.65
getPathIteratorMethod · 0.45
moveToMethod · 0.45
lineToMethod · 0.45

Tested by

no test coverage detected