Class PathIterator

core/src/processing/opengl/LinePath.java:326–391

  static public class PathIterator {
    float floatCoords[];

    int typeIdx;

    int pointIdx;

    int colorIdx;

    LinePath path;

    static final int curvecoords[] = { 2, 2, 0 };

    PathIterator(LinePath p2df) {
      this.path = p2df;
      this.floatCoords = p2df.floatCoords;
      pointIdx = 0;
      colorIdx = 0;
    }

    public int currentSegment(float[] coords) {
      int type = path.pointTypes[typeIdx];
      int numCoords = curvecoords[type];
      if (numCoords > 0) {
        System.arraycopy(floatCoords, pointIdx, coords, 0, numCoords);
        int color = path.pointColors[colorIdx];
        coords[numCoords + 0] = (color >> 24) & 0xFF;
        coords[numCoords + 1] = (color >> 16) & 0xFF;
        coords[numCoords + 2] = (color >>  8) & 0xFF;
        coords[numCoords + 3] = (color >>  0) & 0xFF;
      }
      return type;
    }

    public int currentSegment(double[] coords) {
      int type = path.pointTypes[typeIdx];
      int numCoords = curvecoords[type];
      if (numCoords > 0) {
        for (int i = 0; i < numCoords; i++) {
          coords[i] = floatCoords[pointIdx + i];
        }
        int color = path.pointColors[colorIdx];
        coords[numCoords + 0] = (color >> 24) & 0xFF;
        coords[numCoords + 1] = (color >> 16) & 0xFF;
        coords[numCoords + 2] = (color >>  8) & 0xFF;
        coords[numCoords + 3] = (color >>  0) & 0xFF;
      }
      return type;
    }

    public int getWindingRule() {
      return path.getWindingRule();
    }

    public boolean isDone() {
      return (typeIdx >= path.numTypes);
    }