示例#1
0
 public void setFontSize(float size) {
   // FONT_SIZE.basicSet(this, new Double(size));
   Point2D.Double p = new Point2D.Double(0, size);
   AffineTransform tx = TRANSFORM.get(this);
   if (tx != null) {
     try {
       tx.inverseTransform(p, p);
       Point2D.Double p0 = new Point2D.Double(0, 0);
       tx.inverseTransform(p0, p0);
       p.y -= p0.y;
     } catch (NoninvertibleTransformException ex) {
       ex.printStackTrace();
     }
   }
   FONT_SIZE.set(this, Math.abs(p.y));
 }
示例#2
0
 public void vec2FieldMagnitude(Field field, AffineTransform ftoi) {
   AffineTransform itof = null;
   try {
     itof = ftoi.createInverse();
   } catch (NoninvertibleTransformException niv) {
     TDebug.println(0, "NoninvertibleTransformException: " + niv);
   }
   Vector3d v = new Vector3d();
   Point2D.Double p = new Point2D.Double();
   for (int j = 0, k = 0; j < height; ++j)
     for (int i = 0; i < width; ++i, ++k) {
       p.x = i;
       p.y = j;
       itof.transform(p, p);
       v = field.get(p.x, p.y, 0.0);
       f[k] = (float) Math.sqrt(v.x * v.x + v.y * v.y);
     }
 }
示例#3
0
 public float getFontSize() {
   //   return FONT_SIZE.get(this).floatValue();
   Point2D.Double p = new Point2D.Double(0, FONT_SIZE.get(this));
   AffineTransform tx = TRANSFORM.get(this);
   if (tx != null) {
     tx.transform(p, p);
     Point2D.Double p0 = new Point2D.Double(0, 0);
     tx.transform(p0, p0);
     p.y -= p0.y;
     /*
     try {
         tx.inverseTransform(p, p);
     } catch (NoninvertibleTransformException ex) {
         ex.printStackTrace();
     }*/
   }
   return (float) Math.abs(p.y);
 }
示例#4
0
 public void vec2FieldZero(Field field, AffineTransform ftoi) {
   AffineTransform itof = null;
   try {
     itof = ftoi.createInverse();
   } catch (NoninvertibleTransformException niv) {
     TDebug.println(0, "NoninvertibleTransformException: " + niv);
   }
   Vector3d v = new Vector3d();
   Point2D.Double p = new Point2D.Double();
   for (int j = 0, k = 0; j < height; ++j)
     for (int i = 0; i < width; ++i, ++k) {
       p.x = i;
       p.y = j;
       itof.transform(p, p);
       v = field.get(p.x, p.y, 0.0);
       if ((v.x == 0.0) && (v.y == 0.0)) f[k] = 1.0f;
       else f[k] = 0.0f;
     }
 }
示例#5
0
 @Override
 public void restoreTransformTo(Object geometry) {
   Point2D.Double p = (Point2D.Double) geometry;
   origin.x = p.x;
   origin.y = p.y;
 }
示例#6
0
  public static List<BezierPath> fromPathData(String str) throws IOException {
    LinkedList<BezierPath> paths = new LinkedList<BezierPath>();

    BezierPath path = null;
    Point2D.Double p = new Point2D.Double();
    Point2D.Double c1 = new Point2D.Double();
    Point2D.Double c2 = new Point2D.Double();
    StreamTokenizer tt = new StreamTokenizer(new StringReader(str));
    tt.resetSyntax();
    tt.parseNumbers();
    tt.whitespaceChars(0, ' ');
    tt.whitespaceChars(',', ',');

    char nextCommand = 'M';
    char command = 'M';
    while (tt.nextToken() != StreamTokenizer.TT_EOF) {
      if (tt.ttype > 0) {
        command = (char) tt.ttype;
      } else {
        command = nextCommand;
        tt.pushBack();
      }

      BezierPath.Node node;
      switch (command) {
          // moveto
        case 'M':
          if (path != null) {
            paths.add(path);
          }
          path = new BezierPath();

          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y = tt.nval;
          path.moveTo(p.x, p.y);
          nextCommand = 'L';
          break;
        case 'm':
          if (path != null) {
            paths.add(path);
          }
          path = new BezierPath();

          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x += tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y += tt.nval;
          path.moveTo(p.x, p.y);
          nextCommand = 'l';

          // close path
          break;
        case 'Z':
        case 'z':
          p.x = path.get(0).x[0];
          p.y = path.get(0).y[0];
          path.setClosed(true);

          // lineto
          break;
        case 'L':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y = tt.nval;
          path.lineTo(p.x, p.y);
          nextCommand = 'L';

          break;
        case 'l':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x += tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y += tt.nval;
          path.lineTo(p.x, p.y);
          nextCommand = 'l';

          break;
        case 'H':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x = tt.nval;
          path.lineTo(p.x, p.y);
          nextCommand = 'H';

          break;
        case 'h':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x += tt.nval;
          path.lineTo(p.x, p.y);
          nextCommand = 'h';

          break;
        case 'V':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y = tt.nval;
          path.lineTo(p.x, p.y);
          nextCommand = 'V';

          break;
        case 'v':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y += tt.nval;
          path.lineTo(p.x, p.y);
          nextCommand = 'v';

          // curveto
          break;
        case 'C':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c1.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c1.y = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c2.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c2.y = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y = tt.nval;
          path.curveTo(c1.x, c1.y, c2.x, c2.y, p.x, p.y);
          nextCommand = 'C';

          break;
        case 'c':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c1.x = p.x + tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c1.y = p.y + tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c2.x = p.x + tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c2.y = p.y + tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x += tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y += tt.nval;
          path.curveTo(c1.x, c1.y, c2.x, c2.y, p.x, p.y);
          nextCommand = 'c';

          break;
        case 'S':
          node = path.get(path.size() - 1);
          c1.x = node.x[0] * 2d - node.x[1];
          c1.y = node.y[0] * 2d - node.y[1];
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c2.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c2.y = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y = tt.nval;
          path.curveTo(c1.x, c1.y, c2.x, c2.y, p.x, p.y);
          nextCommand = 'S';

          break;
        case 's':
          node = path.get(path.size() - 1);
          c1.x = node.x[0] * 2d - node.x[1];
          c1.y = node.y[0] * 2d - node.y[1];
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c2.x = p.x + tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c2.y = p.y + tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x += tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y += tt.nval;
          path.curveTo(c1.x, c1.y, c2.x, c2.y, p.x, p.y);
          nextCommand = 's';

          // quadto
          break;
        case 'Q':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c1.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c1.y = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y = tt.nval;
          path.quadTo(c1.x, c1.y, p.x, p.y);
          nextCommand = 'Q';

          break;
        case 'q':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c1.x = p.x + tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c1.y = p.y + tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x += tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y += tt.nval;
          path.quadTo(c1.x, c1.y, p.x, p.y);
          nextCommand = 'q';

          break;
        case 'T':
          node = path.get(path.size() - 1);
          c1.x = node.x[0] * 2d - node.x[1];
          c1.y = node.y[0] * 2d - node.y[1];
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y = tt.nval;
          path.quadTo(c1.x, c1.y, p.x, p.y);
          nextCommand = 'T';

          break;
        case 't':
          node = path.get(path.size() - 1);
          c1.x = node.x[0] * 2d - node.x[1];
          c1.y = node.y[0] * 2d - node.y[1];
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x += tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y += tt.nval;
          path.quadTo(c1.x, c1.y, p.x, p.y);
          nextCommand = 's';

          break;
        default:
          throw new IOException("Illegal command: " + command);
      }
    }
    if (path != null) {
      paths.add(path);
    }
    return paths;
  }