コード例 #1
0
ファイル: DrawTool.java プロジェクト: tstamler/linAlg
  // From: http://forum.java.sun.com/thread.jspa?threadID=378460&tstart=135
  void drawArrow(
      Graphics2D g2d,
      int xCenter,
      int yCenter,
      int x,
      int y,
      float stroke,
      BasicStroke drawStroke) {
    double aDir = Math.atan2(xCenter - x, yCenter - y);
    // Line can be dashed.
    g2d.setStroke(drawStroke);
    g2d.drawLine(x, y, xCenter, yCenter);
    // make the arrow head solid even if dash pattern has been specified
    g2d.setStroke(lineStroke);
    Polygon tmpPoly = new Polygon();
    int i1 = 12 + (int) (stroke * 2);
    // make the arrow head the same size regardless of the length length
    int i2 = 6 + (int) stroke;
    tmpPoly.addPoint(x, y);
    tmpPoly.addPoint(x + xCor(i1, aDir + .5), y + yCor(i1, aDir + .5));
    tmpPoly.addPoint(x + xCor(i2, aDir), y + yCor(i2, aDir));
    tmpPoly.addPoint(x + xCor(i1, aDir - .5), y + yCor(i1, aDir - .5));
    tmpPoly.addPoint(x, y); // arrow tip
    g2d.drawPolygon(tmpPoly);

    // Remove this line to leave arrow head unpainted:
    g2d.fillPolygon(tmpPoly);
  }
コード例 #2
0
ファイル: DrawTool.java プロジェクト: tstamler/linAlg
 void drawLine(Graphics g, DrawObject L) {
   if (L == null) {
     return;
   }
   if ((sequencingOn) && (L.sequenceNum != currentSequenceNumDisplay)) {
     return;
   }
   Graphics2D g2 = (Graphics2D) g;
   g2.setStroke(L.drawStroke);
   int x1 = (int) ((L.x - minX) / (maxX - minX) * (D.width - 2 * inset));
   int y1 = (int) ((L.y - minY) / (maxY - minY) * (D.height - 2.0 * inset));
   int x2 = (int) ((L.x2 - minX) / (maxX - minX) * (D.width - 2 * inset));
   int y2 = (int) ((L.y2 - minY) / (maxY - minY) * (D.height - 2.0 * inset));
   if (L.isArrow) {
     drawArrow(
         (Graphics2D) g,
         inset + x1,
         D.height - y1 - inset,
         inset + x2,
         D.height - y2 - inset,
         1.0f,
         L.drawStroke);
   } else {
     g.drawLine(inset + x1, D.height - y1 - inset, inset + x2, D.height - y2 - inset);
   }
 }
コード例 #3
0
ファイル: JCanvas.java プロジェクト: xaleth09/Connect4-AI
  /** paint the canvas into a image file of given width and height */
  public void writeToImage(String s, int w, int h) {
    String ext;
    File f;
    try {
      ext = s.substring(s.lastIndexOf(".") + 1);
      f = new File(s);
    } catch (Exception e) {
      System.out.println(e);
      return;
    }
    if (!ext.equals("jpg") && !ext.equals("png")) {
      System.out.println("Cannot write to file: Illegal extension " + ext);
      return;
    }
    boolean opq = true;
    if (theOpaque != null) opq = theOpaque;

    BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    g2.setBackground(Color.white);
    g2.setPaint(Color.black);
    g2.setStroke(new BasicStroke(1));
    g2.setRenderingHint(
        RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
    doBuffer(g2, true, new Rectangle(0, 0, w, h));
    try {
      ImageIO.write(image, ext, f);
    } catch (Exception e) {
      System.out.println(e);
    }
  }
コード例 #4
0
ファイル: JCanvas.java プロジェクト: xaleth09/Connect4-AI
 private synchronized void doBuffer(Graphics2D g2, boolean opq, Rectangle rt) {
   origTransform = g2.getTransform();
   if (opq && rt != null) g2.clearRect(rt.x, rt.y, rt.width, rt.height);
   g2.setPaint(origPaint);
   g2.setFont(origFont);
   g2.setStroke(origStroke);
   if (inBuffer) { // System.out.println("upps");
     for (int i = 0; i < a1x.size(); i++) doPaint(g2, a1x.get(i), a2x.get(i));
     origTransform = null;
     return;
   }
   for (int i = 0; i < a1.size(); i++) doPaint(g2, a1.get(i), a2.get(i));
   origTransform = null;
 }
コード例 #5
0
ファイル: DrawTool.java プロジェクト: tstamler/linAlg
 void drawOvalOrRectangle(Graphics g, DrawObject R, boolean isRect) {
   if (R == null) {
     return;
   }
   if ((sequencingOn) && (R.sequenceNum != currentSequenceNumDisplay)) {
     return;
   }
   Graphics2D g2 = (Graphics2D) g;
   g2.setStroke(R.drawStroke);
   int x1 = (int) ((R.x - minX) / (maxX - minX) * (D.width - 2 * inset));
   int y1 = (int) ((R.y - minY) / (maxY - minY) * (D.height - 2.0 * inset));
   double x = R.x + R.width;
   double y = R.y - R.height;
   int x2 = (int) ((x - minX) / (maxX - minX) * (D.width - 2 * inset));
   int y2 = (int) ((y - minY) / (maxY - minY) * (D.height - 2.0 * inset));
   if (isRect) {
     g.drawRect(inset + x1, D.height - y1 - inset, x2 - x1, y1 - y2);
   } else {
     g.drawOval(inset + x1, D.height - y1 - inset, x2 - x1, y1 - y2);
   }
 }
コード例 #6
0
ファイル: JCanvas.java プロジェクト: xaleth09/Connect4-AI
 private synchronized void toBuffer(int s, Object a) {
   a1.add(s);
   a2.add(a);
   if (s == clear) {
     clearBuffer();
   }
   if (s == opaque) theOpaque = (Boolean) a;
   if (s == setBackground) theBackground = (Color) a;
   if (inBuffer) return;
   if (isSetter(s)) return;
   Graphics g = getGraphics();
   if (g == null) return;
   Graphics2D g2 = (Graphics2D) g;
   g2.setPaint(origPaint);
   g2.setFont(origFont);
   g2.setStroke(origStroke);
   for (int i = 0; i < a1.size() - 1; i++) {
     int s1 = a1.get(i);
     Object s2 = a2.get(i);
     if (isSetter(s1)) doPaint(g2, s1, s2);
   }
   doPaint((Graphics2D) g, s, a);
 }
コード例 #7
0
ファイル: DrawTool.java プロジェクト: tstamler/linAlg
 void drawScribbles(Graphics g) {
   if ((scribbles == null) || (scribbles.size() == 0)) {
     return;
   }
   DrawObject L = (DrawObject) scribbles.get(0);
   int scribbleCounter = L.scribbleNum;
   g.setColor(scribbleColor);
   ((Graphics2D) g).setStroke(new BasicStroke(2f));
   int prevX = L.scribbleX;
   int prevY = L.scribbleY;
   for (int i = 1; i < scribbles.size(); i++) {
     L = (DrawObject) scribbles.get(i);
     if (L.scribbleNum == scribbleCounter) {
       // Keep drawing.
       g.drawLine(prevX, prevY, L.scribbleX, L.scribbleY);
       prevX = L.scribbleX;
       prevY = L.scribbleY;
     } else {
       scribbleCounter = L.scribbleNum;
       prevX = L.scribbleX;
       prevY = L.scribbleY;
     }
   }
 }
コード例 #8
0
  public void paintProbe(Graphics2D g2, int x1, int y1, int x2, int y2, double tmin, double tmax) {
    g2.setStroke(stroke);
    g2.setColor(color);

    int ppx = -1, ppy = -1;
    for (int i = 0; i < values.size(); i++) {
      Double v = values.get(i);
      if (v != null && tmax - tmin > 0.0) {
        double frac = (v - tmin) / (tmax - tmin);
        int pixY = y2 - (int) Math.round(frac * (y2 - y1));
        int pixX = x1 + (int) Math.floor((double) (i + 1) / (double) (values.size() + 2));

        if (ppx != -1) {
          g2.drawLine(ppx, ppy, pixX, pixY);
        }

        ppx = pixX;
        ppy = pixY;

      } else {
        ppx = ppy = -1;
      }
    }
  }
コード例 #9
0
ファイル: DrawTool.java プロジェクト: tstamler/linAlg
  void drawEqnLine(Graphics g, DrawObject L) {
    if (L == null) {
      return;
    }
    if ((sequencingOn) && (L.sequenceNum != currentSequenceNumDisplay)) {
      return;
    }
    // First, special cases:
    if ((L.a == 0) && (L.b == 0)) {
      return;
    }
    double px = 0, py = 0, qx = 0, qy = 0;
    double leftX = px, rightX = qx, leftY = py, rightY = qy;
    if (L.a == 0) {
      // Case 2: a=0 => horizontal line.
      leftX = minX;
      rightX = maxX;
      py = -L.c / L.b;
      qy = -L.c / L.b;
      if ((py < minY) || (py > maxY)) {
        // Cannot display.
        return;
      }
      leftY = rightY = py;
    } else if (L.b == 0) {
      // Case 3: b=0 => vertical line.
      leftX = -L.c / L.a;
      rightX = -L.c / L.a;
      leftY = minY;
      rightY = maxY;
      if ((leftX < minX) || (leftX > maxX)) {
        return;
      }
    } else {
      // Case 4: regular.
      // Note: the line could intersect the drawable region in weird ways.
      px = (-L.c - L.b * minY) / L.a;
      qx = (-L.c - L.b * maxY) / L.a;
      py = (-L.c - L.a * minX) / L.b;
      qy = (-L.c - L.a * maxX) / L.b;
      // System.out.println ("px=" + px + " qx=" + qx + " py=" + py + " qy=" + qy);
      // Find leftmost point to draw.
      if ((py >= minY) && (py <= maxY)) {
        // Leftmost point is on the x=minX line.
        leftX = minX;
        leftY = py;
        // System.out.println ("case(a): leftmost on minX-line");
      } else {
        // Leftmost point is not on the x=minX line.
        // Find leftmost point intersecting with low or high
        if (px < qx) {
          leftX = px;
          leftY = minY;
          // System.out.println ("case(a.1): on minY-line");
        } else {
          leftX = qx;
          leftY = maxY;
          // System.out.println ("case(a.2): on maxY-line");
        }
      }

      // Now find rightmost point.
      if ((qy >= minY) && (qy <= maxY)) {
        // Rightmost point is on the x=maxX line.
        rightX = maxX;
        rightY = qy;
        // System.out.println ("case(b): rightmost on maxX-line");
      } else {
        if (px > qx) {
          rightX = px;
          rightY = minY;
          // System.out.println ("case(b.1): rightmost on minY-line");
        } else {
          rightX = qx;
          rightY = maxY;
          // System.out.println ("case(b.1): rightmost on maxY-line");
        }
      }
    }

    // System.out.println ("left:(" + leftX + "," + leftY + ")  right:(" + rightX + "," + rightY +
    // ")");

    int x1 = (int) ((leftX - minX) / (maxX - minX) * (D.width - 2 * inset));
    int y1 = (int) ((leftY - minY) / (maxY - minY) * (D.height - 2.0 * inset));
    int x2 = (int) ((rightX - minX) / (maxX - minX) * (D.width - 2 * inset));
    int y2 = (int) ((rightY - minY) / (maxY - minY) * (D.height - 2.0 * inset));
    Graphics2D g2 = (Graphics2D) g;
    g2.setStroke(L.drawStroke);
    g.drawLine(inset + x1, D.height - y1 - inset, inset + x2, D.height - y2 - inset);
  }
コード例 #10
0
ファイル: DrawTool.java プロジェクト: tstamler/linAlg
  public void paintComponent(Graphics g) {
    super.paintComponent(g);

    Graphics2D g2d = (Graphics2D) g;
    RenderingHints rh = g2d.getRenderingHints();
    rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    rh.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    g2d.setRenderingHints(rh);

    // Background.
    D = this.getSize();
    g.setColor(backgroundColor);
    g.fillRect(0, 0, D.width, D.height);
    Graphics2D g2 = (Graphics2D) g;
    g2.setStroke(lineStroke);

    // Axes, bounding box.
    g.setColor(Color.gray);
    g.drawLine(inset, D.height - inset, D.width - inset, D.height - inset);
    g.drawLine(D.width - inset, inset, D.width - inset, D.height - inset);
    g.drawLine(inset, inset, inset, D.height - inset);
    g.drawLine(inset, inset, D.width - inset, inset);

    double xDelta = (maxX - minX) / numIntervals;

    // X-ticks and labels.
    for (int i = 1; i <= numIntervals; i++) {
      double xTickd = i * xDelta;
      int xTick = (int) (xTickd / (maxX - minX) * (D.width - 2 * inset));
      g.drawLine(inset + xTick, D.height - inset - 5, inset + xTick, D.height - inset + 5);
      double x = minX + i * xDelta;
      g.drawString(df.format(x), xTick + inset - 5, D.height - inset + 20);
    }

    // Y-ticks
    double yDelta = (maxY - minY) / numIntervals;
    for (int i = 0; i < numIntervals; i++) {
      int yTick = (i + 1) * (int) ((D.height - 2 * inset) / (double) numIntervals);
      g.drawLine(inset - 5, D.height - yTick - inset, inset + 5, D.height - yTick - inset);
      double y = minY + (i + 1) * yDelta;
      g.drawString(df.format(y), 1, D.height - yTick - inset);
    }

    // Zoom+move
    Font savedFont = g.getFont();
    g.setFont(plusFont);
    g.drawString("+", D.width - 25, 20);
    g.setFont(minusFont);
    g.drawString("-", D.width - 25, 50);
    drawArrow(g2d, D.width - 70, 20, D.width - 70, 0, 1.0f, lineStroke); // Up
    drawArrow(g2d, D.width - 70, 30, D.width - 70, 50, 1.0f, lineStroke); // Down
    drawArrow(g2d, D.width - 65, 25, D.width - 45, 25, 1.0f, lineStroke); // Right
    drawArrow(g2d, D.width - 75, 25, D.width - 95, 25, 1.0f, lineStroke); // Left
    g.setFont(savedFont);

    // See if standard axes are in the middle.
    g.setColor(Color.gray);
    if ((minX < 0) && (maxX > 0) && (drawMiddleAxes)) {
      // Draw y-axis
      int x = (int) ((0 - minX) / (maxX - minX) * (D.width - 2 * inset));
      g.drawLine(inset + x, D.height - inset, inset + x, inset);
    }
    if ((minY < 0) && (maxY > 0) && (drawMiddleAxes)) {
      // Draw x-axis
      int y = (int) ((0 - minY) / (maxY - minY) * (D.height - 2.0 * inset));
      g.drawLine(inset, D.height - y - inset, D.width - inset, D.height - y - inset);
    }

    // Draw the objects.
    drawObjects(g, points, lines, ovals, rectangles, images, labels, eqnLines);
    if (animationMode) {
      drawObjects(g, animPoints, animLines, animOvals, animRectangles, null, labels, eqnLines);
      // No images in animation mode.
    }

    drawScribbles(g);
  }
コード例 #11
0
ファイル: JCanvas.java プロジェクト: xaleth09/Connect4-AI
 // also clip, transform, composite,
 // public boolean isOpaque(){return false;}//theOpaque!=null&&theOpaque;}
 // ---------------------------------------------------------
 private void doPaint(Graphics2D g, int s, Object o) {
   // process an operation from the buffer
   // System.out.println(s);
   Object o1 = null,
       o2 = null,
       o3 = null,
       o4 = null,
       o5 = null,
       o6 = null,
       o7 = null,
       o8 = null,
       o9 = null,
       o10 = null,
       o11 = null;
   if (o instanceof Object[]) {
     Object[] a = (Object[]) o;
     if (a.length > 0) o1 = a[0];
     if (a.length > 1) o2 = a[1];
     if (a.length > 2) o3 = a[2];
     if (a.length > 3) o4 = a[3];
     if (a.length > 4) o5 = a[4];
     if (a.length > 5) o6 = a[5];
     if (a.length > 6) o7 = a[6];
     if (a.length > 7) o8 = a[7];
     if (a.length > 8) o9 = a[8];
     if (a.length > 9) o10 = a[9];
     if (a.length > 10) o11 = a[10];
   }
   switch (s) {
     case clear:
       paintBackground(g, theBackground);
       break;
       // public void addRenderingHints(Map<?,?> hints)
       // {toBuffer("addRenderingHints",hints );}
     case addRenderingHints:
       g.addRenderingHints((Map<?, ?>) o);
       break;
     case clip1:
       g.clip((Shape) o);
       break;
     case draw1:
       g.draw((Shape) o);
       break;
     case draw3DRect:
       g.draw3DRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Boolean) o5);
       break;
     case drawGlyphVector:
       g.drawGlyphVector((GlyphVector) o1, (Float) o2, (Float) o3);
       break;
     case drawImage1:
       g.drawImage((BufferedImage) o1, (BufferedImageOp) o2, (Integer) o3, (Integer) o4);
       break;
     case drawImage2:
       g.drawImage((Image) o1, (AffineTransform) o2, (ImageObserver) o3);
       break;
     case drawRenderableImage:
       g.drawRenderableImage((RenderableImage) o1, (AffineTransform) o2);
       break;
     case drawRenderedImage:
       g.drawRenderedImage((RenderedImage) o1, (AffineTransform) o2);
       break;
     case drawString1:
       g.drawString((AttributedCharacterIterator) o1, (Float) o2, (Float) o3);
       break;
     case drawString2:
       g.drawString((AttributedCharacterIterator) o1, (Integer) o2, (Integer) o3);
       break;
     case drawString3:
       g.drawString((String) o1, (Float) o2, (Float) o3);
       break;
     case drawString4:
       g.drawString((String) o1, (Integer) o2, (Integer) o3);
       break;
     case fill:
       g.fill((Shape) o);
       break;
     case fill3DRect:
       g.fill3DRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Boolean) o5);
       break;
     case rotate1:
       g.rotate((Double) o);
       break;
     case rotate2:
       g.rotate((Double) o1, (Double) o2, (Double) o3);
       break;
     case scale1:
       g.scale((Double) o1, (Double) o2);
       break;
     case setBackground:
       g.setBackground(
           (Color) o); // paintBackground(g,(Color)o); /*super.setBackground((Color)o) ;*/
       break;
     case setComposite:
       g.setComposite((Composite) o);
       break;
     case setPaint:
       g.setPaint((Paint) o);
       break;
     case setRenderingHint:
       g.setRenderingHint((RenderingHints.Key) o1, o2);
       break;
     case setRenderingHints:
       g.setRenderingHints((Map<?, ?>) o);
       break;
     case setStroke:
       g.setStroke((Stroke) o);
       break;
     case setTransform:
       g.setTransform(makeTransform(o));
       break;
     case shear:
       g.shear((Double) o1, (Double) o2);
       break;
     case transform1:
       g.transform(makeTransform(o));
       break;
     case translate1:
       g.translate((Double) o1, (Double) o2);
       break;
     case translate2:
       g.translate((Integer) o1, (Integer) o2);
       break;
     case clearRect:
       g.clearRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
       break;
     case copyArea:
       g.copyArea(
           (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
       break;
     case drawArc:
       g.drawArc(
           (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
       break;
     case drawBytes:
       g.drawBytes((byte[]) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5);
       break;
     case drawChars:
       g.drawChars((char[]) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5);
       break;
     case drawImage4:
       g.drawImage((Image) o1, (Integer) o2, (Integer) o3, (Color) o4, (ImageObserver) o5);
       break;
     case drawImage5:
       g.drawImage((Image) o1, (Integer) o2, (Integer) o3, (ImageObserver) o4);
       break;
     case drawImage6:
       g.drawImage(
           (Image) o1,
           (Integer) o2,
           (Integer) o3,
           (Integer) o4,
           (Integer) o5,
           (Color) o6,
           (ImageObserver) o7);
       break;
     case drawImage7:
       g.drawImage(
           (Image) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (ImageObserver) o6);
       break;
     case drawImage8:
       g.drawImage(
           (Image) o1,
           (Integer) o2,
           (Integer) o3,
           (Integer) o4,
           (Integer) o5,
           (Integer) o6,
           (Integer) o7,
           (Integer) o8,
           (Integer) o9,
           (Color) o10,
           (ImageObserver) o11);
       break;
     case drawImage9:
       g.drawImage(
           (Image) o1,
           (Integer) o2,
           (Integer) o3,
           (Integer) o4,
           (Integer) o5,
           (Integer) o6,
           (Integer) o7,
           (Integer) o8,
           (Integer) o9,
           (ImageObserver) o10);
       break;
     case drawLine:
       g.drawLine((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
       break;
     case drawOval:
       g.drawOval((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
       break;
     case drawPolygon1:
       g.drawPolygon((int[]) o1, (int[]) o2, (Integer) o3);
       break;
     case drawPolygon2:
       g.drawPolygon((Polygon) o);
       break;
     case drawPolyline:
       g.drawPolyline((int[]) o1, (int[]) o2, (Integer) o3);
       break;
     case drawRect:
       g.drawRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
       break;
     case drawRoundRect:
       g.drawRoundRect(
           (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
       break;
     case fillArc:
       g.fillArc(
           (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
       break;
     case fillOval:
       g.fillOval((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
       break;
       // {toBuffer("fillPolygon",mkArg(xPoints,  yPoints, nPoints) );}
     case fillPolygon1:
       g.fillPolygon((int[]) o1, (int[]) o2, (Integer) o3);
       break;
     case fillPolygon2:
       g.fillPolygon((Polygon) o);
       break;
     case fillRect:
       g.fillRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
       break;
     case fillRoundRect:
       g.fillRoundRect(
           (Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
       break;
     case setClip1:
       g.setClip((Shape) o);
       break;
     case setColor:
       g.setColor((Color) o);
       break;
     case setFont:
       g.setFont((Font) o);
       break;
     case setPaintMode:
       g.setPaintMode();
       break;
     case setXORMode:
       g.setXORMode((Color) o);
       break;
     case opaque:
       super.setOpaque((Boolean) o);
       break;
     case drawOutline: // g.drawString((String)o1, (Integer)o2, (Integer)o3) ;break;
       {
         FontRenderContext frc = g.getFontRenderContext();
         TextLayout tl = new TextLayout((String) o1, g.getFont(), frc);
         Shape s1 = tl.getOutline(null);
         AffineTransform af = g.getTransform();
         g.translate((Integer) o2, (Integer) o3);
         g.draw(s1);
         g.setTransform(af);
       }
       ;
       break;
     default:
       System.out.println("Unknown image operation " + s);
   }
 }