Method parsePath

core/src/processing/core/PShapeSVG.java:506–885

()

  protected void parsePath() {
    family = PATH;
    kind = 0;

    String pathData = element.getString("d");
    if (pathData == null || PApplet.trim(pathData).length() == 0) {
      return;
    }
    char[] pathDataChars = pathData.toCharArray();

    StringBuilder pathBuffer = new StringBuilder();
    boolean lastSeparate = false;

    for (int i = 0; i < pathDataChars.length; i++) {
      char c = pathDataChars[i];
      boolean separate = false;

      if (c == 'M' || c == 'm' ||
          c == 'L' || c == 'l' ||
          c == 'H' || c == 'h' ||
          c == 'V' || c == 'v' ||
          c == 'C' || c == 'c' ||  // beziers
          c == 'S' || c == 's' ||
          c == 'Q' || c == 'q' ||  // quadratic beziers
          c == 'T' || c == 't' ||
          c == 'A' || c == 'a' ||  // elliptical arc
          c == 'Z' || c == 'z' ||  // closepath
          c == ',') {
        separate = true;
        if (i != 0) {
          pathBuffer.append("|");
        }
      }
      if (c == 'Z' || c == 'z') {
        separate = false;
      }
      if (c == '-' && !lastSeparate) {
        // allow for 'e' notation in numbers, e.g. 2.10e-9
        // http://dev.processing.org/bugs/show_bug.cgi?id=1408
        if (i == 0 || pathDataChars[i-1] != 'e') {
          pathBuffer.append("|");
        }
      }
      if (c != ',') {
        pathBuffer.append(c); //"" + pathDataBuffer.charAt(i));
      }
      if (separate && c != ',' && c != '-') {
        pathBuffer.append("|");
      }
      lastSeparate = separate;
    }

    // use whitespace constant to get rid of extra spaces and CR or LF
    String[] pathTokens =
      PApplet.splitTokens(pathBuffer.toString(), "|" + WHITESPACE);
    vertices = new float[pathTokens.length][2];
    vertexCodes = new int[pathTokens.length];