示例#1
0
  /**
   * Synchronize the textLayout and the shape (=frame box, by calling syncFrame) with the model When
   * <code>TextLayout</code> is used, this delegates to <code>getRotation()</code> where computing
   * rotation angle is concerned, and updates the AffineTransform returned by <code>
   * getTextToModelTransform()</code>.
   */
  protected void syncShape() {
    PicText te = (PicText) element;

    //			textLayout = new TextLayout(te.getText().length()==0 ? " " : te.getText(),
    //			    textFont,
    //			    new FontRenderContext(null,false,false));

    text2ModelTr.setToIdentity(); // reset
    PicPoint anchor = te.getCtrlPt(TextEditable.P_ANCHOR, ptBuf);
    text2ModelTr.rotate(getRotation(), anchor.x, anchor.y); // rotate along P_ANCHOR !
    // the reference point of an image is the top-left one, but the refpoint of a text layout is on
    // the baseline
    if (image != null) {
      text2ModelTr.translate(te.getLeftX(), te.getTopY());
      if (te.getWidth() != 0
          && image.getWidth() != 0
          && (te.getDepth() + te.getHeight()) != 0
          && image.getHeight() != 0)
        text2ModelTr.scale(
            te.getWidth() / image.getWidth(),
            -(te.getHeight() + te.getDepth()) / image.getHeight());
    } else {
      // Hack ? Just cheating a little bit ? Ou juste ruse ?
      // we want here to use the dimensions of the textLayout instead of latex dimensions if
      // areDimensionsComputed
      // sinon on va aligner le textlayout en fonction des parametres latex, et l'Utilisateur (qui
      // est bien bete) ne va rien comprendre.
      double latexH = 0;
      double latexD = 0;
      double latexW = 0;
      if (areDimensionsComputed) { // store latex dimensions, and setDimensions to textLayout ones
        latexH = te.getHeight();
        latexD = te.getDepth();
        latexW = te.getWidth();
        te.setDimensions(
            textLayout.getBounds().getWidth(), textLayout.getAscent(), textLayout.getDescent());
      }
      text2ModelTr.translate(te.getLeftX(), te.getBaseLineY());
      if (areDimensionsComputed) { // restore latex dimensions
        te.setDimensions(latexW, latexH, latexD);
      }
      // Autre possibilite= comprimer le texte pour qu'il rentre dans la boite (evite le hack
      // ci-dessus):
      // text2ModelTr.scale(te.getWidth()/textLayout.getWidth(),-(te.getHeight()+te.getDepth())/textLayout.getHeight());
      text2ModelTr.scale(1.0, -1.0);
    }
    syncFrame();
  }
示例#2
0
 public void drawScaledImage(BufferedImage im, int x, int y, int w, int h) {
   float scaleX = w * 1.0f / im.getWidth();
   float scaleY = h * 1.0f / im.getHeight();
   AffineTransform tx = new AffineTransform();
   tx.scale(scaleX, scaleY);
   BufferedImageOp op = new AffineTransformOp(tx, AffineTransformOp.TYPE_BILINEAR);
   drawImage(im, op, x, y);
 }
示例#3
0
 public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
   if (image != null && showimage) {
     // TODO: add ability to scale maintaining aspect ratio fitting to size of parent
     // TODO: Need to add not zoom all the way, but zoom to a box of aspect ratio 4/3
     Graphics2D g2 = (Graphics2D) g;
     AffineTransform tran = new AffineTransform(1f, 0f, 0f, 1f, 0, 0);
     float widthscale = (float) c.getWidth() / image.getWidth();
     float heightscale = (float) c.getHeight() / image.getHeight();
     switch (drawmode) {
       case DRAW_MODE_ASPECT:
         float scale;
         if (widthscale < heightscale) {
           scale = widthscale;
         } else {
           scale = heightscale;
         }
         tran.scale(scale, scale);
         g2.drawImage(
             image,
             new AffineTransformOp(tran, AffineTransformOp.TYPE_BILINEAR),
             (int) (c.getWidth() - image.getWidth() * scale) / 2,
             (int) (c.getHeight() - image.getHeight() * scale) / 2);
         break;
       case DRAW_MODE_WIDTH:
         tran.scale(widthscale, widthscale);
         g2.drawImage(image, tran, null);
         break;
       case DRAW_MODE_HEIGHT:
         tran.scale(heightscale, heightscale);
         g2.drawImage(image, tran, null);
         break;
       default:
         tran.scale(widthscale, heightscale);
         g2.drawImage(image, tran, null);
         break;
     }
   }
 }
示例#4
0
  /**
   * Zoom, preserving the center point on the screen. (When we draw, the center point may be moved
   * in order to maximize the amount of image seen on screen.) *
   */
  void adjustZoom(double z, Point2D cp) {
    if (cp == null) cp = new Point2D.Double(getWidth() / 2, getHeight() / 2);

    Point2D cxt = componentToImage(cp);
    double tx = cp.getX() - cxt.getX() * z;
    double ty = cp.getY() - cxt.getY() * z;

    t = new AffineTransform();
    t.translate(tx, ty);
    t.scale(z, z);

    fit = false;
    repaint();
  }
示例#5
0
  public synchronized void paint(Graphics gin) {
    Graphics2D g = (Graphics2D) gin;

    if (im == null) return;

    int height = getHeight();
    int width = getWidth();

    if (fit) {
      t = new AffineTransform();
      double scale = Math.min(((double) width) / im.getWidth(), ((double) height) / im.getHeight());
      // we'll re-center the transform in a moment.
      t.scale(scale, scale);
    }

    // if the image (in either X or Y) is smaller than the view port, then center
    // the image with respect to that axis.
    double mwidth = im.getWidth() * t.getScaleX();
    double mheight = im.getHeight() * t.getScaleY();
    if (mwidth < width)
      t.preConcatenate(
          AffineTransform.getTranslateInstance((width - mwidth) / 2.0 - t.getTranslateX(), 0));
    if (mheight < height)
      t.preConcatenate(
          AffineTransform.getTranslateInstance(0, (height - mheight) / 2.0 - t.getTranslateY()));

    // if we're allowing panning (because only a portion of the image is visible),
    // don't allow translations that show less information that is possible.
    Point2D topleft = t.transform(new Point2D.Double(0, 0), null);
    Point2D bottomright = t.transform(new Point2D.Double(im.getWidth(), im.getHeight()), null);

    if (mwidth > width) {
      if (topleft.getX() > 0)
        t.preConcatenate(AffineTransform.getTranslateInstance(-topleft.getX(), 0));
      if (bottomright.getX() < width)
        t.preConcatenate(AffineTransform.getTranslateInstance(width - bottomright.getX(), 0));
      //		    t.translate(width-bottomright.getX(), 0);
    }
    if (mheight > height) {
      if (topleft.getY() > 0)
        t.preConcatenate(AffineTransform.getTranslateInstance(0, -topleft.getY()));
      if (bottomright.getY() < height)
        t.preConcatenate(AffineTransform.getTranslateInstance(0, height - bottomright.getY()));
    }

    g.drawImage(im, t, null);
  }
示例#6
0
  // ---------------------------------------------------------
  private synchronized AffineTransform bufferTransform() {
    AffineTransform r = new AffineTransform();
    for (int i = 0; i < a1.size(); i++) {
      int s1 = a1.get(i);
      Object s2 = a2.get(i);
      Object s3[] = null;
      if (s2 instanceof Object[]) s3 = (Object[]) s2;

      if (s1 == setTransform) {
        r = makeTransform(s2);
      }
      if (s1 == shear) r.shear((Double) s3[0], (Double) s3[1]);
      if (s1 == rotate1) r.rotate((Double) s2);
      if (s1 == rotate2) r.rotate((Double) s3[0], (Double) s3[1], (Double) s3[2]);
      if (s1 == scale1) r.scale((Double) s3[0], (Double) s3[1]);
      if (s1 == translate1) r.translate((Double) s3[0], (Double) s3[1]);
      if (s1 == translate2) r.translate((Integer) s3[0], (Integer) s3[1]);
    }
    return r;
  }
示例#7
0
  public static AffineTransform getTransform(String str) throws IOException {
    AffineTransform t = new AffineTransform();

    if (str != null) {

      StreamTokenizer tt = new StreamTokenizer(new StringReader(str));
      tt.resetSyntax();
      tt.wordChars('a', 'z');
      tt.wordChars('A', 'Z');
      tt.wordChars(128 + 32, 255);
      tt.whitespaceChars(0, ' ');
      tt.whitespaceChars(',', ',');
      tt.parseNumbers();

      while (tt.nextToken() != StreamTokenizer.TT_EOF) {
        if (tt.ttype != StreamTokenizer.TT_WORD) {
          throw new IOException("Illegal transform " + str);
        }
        String type = tt.sval;
        if (tt.nextToken() != '(') {
          throw new IOException("'(' not found in transform " + str);
        }
        if (type.equals("matrix")) {
          double[] m = new double[6];
          for (int i = 0; i < 6; i++) {
            if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
              throw new IOException(
                  "Matrix value "
                      + i
                      + " not found in transform "
                      + str
                      + " token:"
                      + tt.ttype
                      + " "
                      + tt.sval);
            }
            if (tt.nextToken() == StreamTokenizer.TT_WORD && tt.sval.startsWith("E")) {
              double mantissa = tt.nval;
              tt.nval = Double.valueOf(tt.nval + tt.sval);
            } else {
              tt.pushBack();
            }
            m[i] = tt.nval;
          }
          t.concatenate(new AffineTransform(m));

        } else if (type.equals("translate")) {
          double tx, ty;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
            throw new IOException("X-translation value not found in transform " + str);
          }
          tx = tt.nval;
          if (tt.nextToken() == StreamTokenizer.TT_NUMBER) {
            ty = tt.nval;
          } else {
            tt.pushBack();
            ty = 0;
          }
          t.translate(tx, ty);

        } else if (type.equals("scale")) {
          double sx, sy;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
            throw new IOException("X-scale value not found in transform " + str);
          }
          sx = tt.nval;
          if (tt.nextToken() == StreamTokenizer.TT_NUMBER) {
            sy = tt.nval;
          } else {
            tt.pushBack();
            sy = sx;
          }
          t.scale(sx, sy);

        } else if (type.equals("rotate")) {
          double angle, cx, cy;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
            throw new IOException("Angle value not found in transform " + str);
          }
          angle = tt.nval;
          if (tt.nextToken() == StreamTokenizer.TT_NUMBER) {
            cx = tt.nval;
            if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
              throw new IOException("Y-center value not found in transform " + str);
            }
            cy = tt.nval;
          } else {
            tt.pushBack();
            cx = cy = 0;
          }
          t.rotate(angle * Math.PI / 180d, cx * Math.PI / 180d, cy * Math.PI / 180d);

        } else if (type.equals("skewX")) {
          double angle;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
            throw new IOException("Skew angle not found in transform " + str);
          }
          angle = tt.nval;
          t.concatenate(new AffineTransform(1, 0, Math.tan(angle * Math.PI / 180), 1, 0, 0));

        } else if (type.equals("skewY")) {
          double angle;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
            throw new IOException("Skew angle not found in transform " + str);
          }
          angle = tt.nval;
          t.concatenate(new AffineTransform(1, Math.tan(angle * Math.PI / 180), 0, 1, 0, 0));

        } else {
          throw new IOException("Unknown transform " + type + " in " + str);
        }
        if (tt.nextToken() != ')') {
          throw new IOException("')' not found in transform " + str);
        }
      }
    }
    return t;
  }
示例#8
0
  // Thread's run method aimed at creating a bitmap asynchronously
  public void run() {
    Drawing drawing = new Drawing();
    PicText rawPicText = new PicText();
    String s = ((PicText) element).getText();
    rawPicText.setText(s);
    drawing.add(
        rawPicText); // bug fix: we must add a CLONE of the PicText, otherwise it loses it former
                     // parent... (then pb with the view )
    drawing.setNotparsedCommands(
        "\\newlength{\\jpicwidth}\\settowidth{\\jpicwidth}{"
            + s
            + "}"
            + CR_LF
            + "\\newlength{\\jpicheight}\\settoheight{\\jpicheight}{"
            + s
            + "}"
            + CR_LF
            + "\\newlength{\\jpicdepth}\\settodepth{\\jpicdepth}{"
            + s
            + "}"
            + CR_LF
            + "\\typeout{JPICEDT INFO: \\the\\jpicwidth, \\the\\jpicheight,  \\the\\jpicdepth }"
            + CR_LF);
    RunExternalCommand.Command commandToRun = RunExternalCommand.Command.BITMAP_CREATION;
    // RunExternalCommand command = new RunExternalCommand(drawing, contentType,commandToRun);
    boolean isWriteTmpTeXfile = true;
    String bitmapExt = "png"; // [pending] preferences
    String cmdLine =
        "{i}/unix/tetex/create_bitmap.sh {p} {f} "
            + bitmapExt
            + " "
            + fileDPI; // [pending] preferences
    ContentType contentType = getContainer().getContentType();
    RunExternalCommand.isGUI = false; // System.out, no dialog box // [pending] debug
    RunExternalCommand command =
        new RunExternalCommand(drawing, contentType, cmdLine, isWriteTmpTeXfile);
    command
        .run(); // synchronous in an async. thread => it's ok (anyway, we must way until the LaTeX
                // process has completed)

    if (wantToComputeLatexDimensions) {
      // load size of text:
      try {
        File logFile = new File(command.getTmpPath(), command.getTmpFilePrefix() + ".log");
        BufferedReader reader = null;
        try {
          reader = new BufferedReader(new FileReader(logFile));
        } catch (FileNotFoundException fnfe) {
          System.out.println("Cannot find log file! " + fnfe.getMessage());
          System.out.println(logFile);
        } catch (IOException ioex) {
          System.out.println("Log file IO exception");
          ioex.printStackTrace();
        } // utile ?
        System.out.println("Log file created! file=" + logFile);
        getDimensionsFromLogFile(reader, (PicText) element);
        syncStringLocation(); // update dimensions
        syncBounds();
        syncFrame();
        SwingUtilities.invokeLater(
            new Thread() {
              public void run() {
                repaint(null);
              }
            });
        // repaint(null); // now that dimensions are available, we force a repaint() [pending]
        // smart-repaint ?
      } catch (Exception e) {
        e.printStackTrace();
      }
    }

    if (wantToGetBitMap) {
      // load image:
      try {
        File bitmapFile =
            new File(command.getTmpPath(), command.getTmpFilePrefix() + "." + bitmapExt);
        this.image = ImageIO.read(bitmapFile);
        System.out.println(
            "Bitmap created! file="
                + bitmapFile
                + ", width="
                + image.getWidth()
                + "pixels, height="
                + image.getHeight()
                + "pixels");
        if (image == null) return;
        syncStringLocation(); // sets strx, stry, and dimensions of text
        syncBounds();
        // update the AffineTransform that will be applied to the bitmap before displaying on screen
        PicText te = (PicText) element;
        text2ModelTr.setToIdentity(); // reset
        PicPoint anchor = te.getCtrlPt(TextEditable.P_ANCHOR, ptBuf);
        text2ModelTr.rotate(getRotation(), anchor.x, anchor.y); // rotate along P_ANCHOR !
        text2ModelTr.translate(te.getLeftX(), te.getTopY());
        text2ModelTr.scale(
            te.getWidth() / image.getWidth(),
            -(te.getHeight() + te.getDepth()) / image.getHeight());
        // [pending]  should do something special to avoid dividing by 0 or setting a rescaling
        // factor to 0 [non invertible matrix] (java will throw an exception)
        syncFrame();
        SwingUtilities.invokeLater(
            new Thread() {
              public void run() {
                repaint(null);
              }
            });
        // repaint(null); // now that bitmap is available, we force a repaint() [pending]
        // smart-repaint ?
      } catch (Exception e) {
        e.printStackTrace();
      }
    }
  }
示例#9
0
 public void drawScaledImage(BufferedImage im, int x, int y, float scale) {
   AffineTransform tx = new AffineTransform();
   tx.scale(scale, scale);
   BufferedImageOp op = new AffineTransformOp(tx, AffineTransformOp.TYPE_BILINEAR);
   drawImage(im, op, x, y);
 }