示例#1
0
  private void init() {
    algo = (AlgoBarChart) geo.getDrawAlgorithm();
    drawType = algo.getDrawType();

    if (algo.hasPoints()) {
      pts = new ArrayList<GeoPoint>();
      drawPoints = new ArrayList<DrawPoint>();
      updatePointLists();
    }
  }
示例#2
0
  @Override
  public void update() {

    isVisible = geo.isEuclidianVisible();
    if (!isVisible) return;
    if (!geo.getDrawAlgorithm().equals(geo.getParentAlgorithm())) init();
    labelVisible = geo.isLabelVisible();
    updateStrokes(sum);

    // init gp
    gp = new GeneralPathClipped[algo.getIntervals()];
    for (int i = 0; i < gp.length; i++) {
      gp[i] = new GeneralPathClipped(view);
      gp[i].reset();
    }

    double[] xVal = algo.getLeftBorder();
    double[] yVal = algo.getValues();

    double width = algo.getWidth();
    int N = algo.getIntervals();

    if (algo.hasPoints()) {
      updatePointLists();
    }

    drawType = algo.getDrawType();
    pointType = algo.getPointType();
    int pointStyle;

    if (algo.hasPoints() && pointType != POINT_NONE) {

      if (pointType == POINT_LEFT || pointType == POINT_LEFT_OPEN_RIGHT) {
        pointStyle = EuclidianStyleConstants.POINT_STYLE_DOT;
      } else {
        pointStyle = EuclidianStyleConstants.POINT_STYLE_CIRCLE;
      }

      for (int i = 0; i < N; i++) {
        coords[0] = xVal[i];
        coords[1] = yVal[i];
        pts.get(i).setCoords(coords[0], coords[1], 1.0);
        pts.get(i).setObjColor(geo.getObjectColor());
        pts.get(i).setPointSize(2 + (geo.getLineThickness() + 1) / 3);
        pts.get(i).setPointStyle(pointStyle);
        if (pointType == POINT_RIGHT) {
          pts.get(i).setEuclidianVisible(false);
        }
        drawPoints.get(i).update();
      }

      if (drawType == DrawType.STEP_GRAPH_CONTINUOUS || drawType == DrawType.STEP_GRAPH_JUMP) {

        if (pointType == POINT_LEFT || pointType == POINT_LEFT_OPEN_RIGHT) {
          pointStyle = EuclidianStyleConstants.POINT_STYLE_CIRCLE;
        } else {
          pointStyle = EuclidianStyleConstants.POINT_STYLE_DOT;
        }

        // step graph right points
        for (int i = 0; i < N - 1; i++) {
          coords[0] = xVal[i + 1];
          coords[1] = yVal[i];
          pts.get(N + i).setCoords(coords[0], coords[1], 1.0);
          pts.get(N + i).setObjColor(geo.getObjectColor());
          pts.get(N + i).setPointSize(2 + (geo.getLineThickness() + 1) / 3);
          pts.get(N + i).setPointStyle(pointStyle);
          if (pointType == POINT_LEFT) {
            pts.get(N + i).setEuclidianVisible(false);
          }
          drawPoints.get(N + i).update();
        }
      }
    }

    double halfWidth = width / 2;

    switch (drawType) {
      case VERTICAL_BAR:
        if (width <= 0) {
          for (int i = 0; i < N; i++) {
            coords[0] = xVal[i];
            coords[1] = 0;
            view.toScreenCoords(coords);
            gp[i].moveTo(coords[0], coords[1]);

            coords[0] = xVal[i];
            coords[1] = yVal[i];
            view.toScreenCoords(coords);
            gp[i].lineTo(coords[0], coords[1]);
          }

        } else {
          for (int i = 0; i < N; i++) {
            coords[0] = xVal[i];
            coords[1] = 0;
            view.toScreenCoords(coords);
            gp[i].moveTo(coords[0], coords[1]);

            coords[0] = xVal[i];
            coords[1] = yVal[i];
            view.toScreenCoords(coords);
            gp[i].lineTo(coords[0], coords[1]);

            coords[0] = xVal[i] + width;
            coords[1] = yVal[i];
            view.toScreenCoords(coords);
            gp[i].lineTo(coords[0], coords[1]);

            coords[0] = xVal[i] + width;
            coords[1] = 0;
            view.toScreenCoords(coords);
            gp[i].lineTo(coords[0], coords[1]);

            coords[0] = xVal[i];
            coords[1] = 0;
            view.toScreenCoords(coords);
            gp[i].lineTo(coords[0], coords[1]);
          }
        }

        break;

      case HORIZONTAL_BAR:
        if (width <= 0) {
          for (int i = 0; i < N; i++) {
            coords[0] = 0;
            coords[1] = yVal[i];
            view.toScreenCoords(coords);
            gp[i].moveTo(coords[0], coords[1]);

            coords[0] = xVal[i];
            coords[1] = yVal[i];
            view.toScreenCoords(coords);
            gp[i].lineTo(coords[0], coords[1]);
          }

        } else {
          for (int i = 0; i < N; i++) {
            coords[0] = 0;
            coords[1] = yVal[i];
            view.toScreenCoords(coords);
            gp[i].moveTo(coords[0], coords[1]);

            coords[0] = xVal[i];
            coords[1] = yVal[i];
            view.toScreenCoords(coords);
            gp[i].lineTo(coords[0], coords[1]);

            coords[0] = xVal[i];
            coords[1] = yVal[i] + width;
            view.toScreenCoords(coords);
            gp[i].lineTo(coords[0], coords[1]);

            coords[0] = 0;
            coords[1] = yVal[i] + width;
            view.toScreenCoords(coords);
            gp[i].lineTo(coords[0], coords[1]);

            coords[0] = 0;
            coords[1] = yVal[i];
            view.toScreenCoords(coords);
            gp[i].lineTo(coords[0], coords[1]);
          }
        }
        break;

      case STEP_GRAPH_CONTINUOUS:
        for (int i = 0; i < N - 1; i++) {

          // move to start point
          coords[0] = xVal[i] + halfWidth;
          coords[1] = yVal[i];
          view.toScreenCoords(coords);
          gp[i].moveTo(coords[0], coords[1]);

          // across
          coords[0] = xVal[i + 1] + halfWidth;
          coords[1] = yVal[i];
          view.toScreenCoords(coords);
          gp[i].lineTo(coords[0], coords[1]);

          // up
          coords[0] = xVal[i + 1] + halfWidth;
          coords[1] = yVal[i + 1];
          view.toScreenCoords(coords);
          gp[i].lineTo(coords[0], coords[1]);
        }

        // up to last point
        coords[0] = xVal[N - 1] + halfWidth;
        coords[1] = yVal[N - 1];
        view.toScreenCoords(coords);
        gp[gp.length - 1].lineTo(coords[0], coords[1]);

        break;

      case STEP_GRAPH_JUMP:
        for (int i = 0; i < N - 1; i++) {

          // move to start point
          coords[0] = xVal[i] + halfWidth;
          coords[1] = yVal[i];
          view.toScreenCoords(coords);
          gp[i].moveTo(coords[0], coords[1]);

          // across
          coords[0] = xVal[i + 1] + halfWidth;
          coords[1] = yVal[i];
          view.toScreenCoords(coords);
          gp[i].lineTo(coords[0], coords[1]);
        }

        break;
    }

    // gp on screen?
    isVisible = false;
    // don't return here to make sure that getBounds() works for
    // off screen points too
    for (int i = 0; i < gp.length; i++) {
      if (gp[i].intersects(0, 0, view.getWidth(), view.getHeight())) {
        isVisible = true;
        break;
      }
    }
    // TODO: improve label position
    if (labelVisible) {
      xLabel = (int) coords[0];
      yLabel = (int) coords[1] - view.getFontSize();
      labelDesc = geo.getLabelDescription();
      addLabelOffset();
    }
  }
示例#3
0
  @Override
  public void draw(org.geogebra.common.awt.GGraphics2D g2) {
    // Save fill, color and alfa of object
    GColor color = geo.getSelColor();
    FillType fillType = geo.getFillType();
    int hatchingDistance = geo.getHatchingDistance();
    String symbol = geo.getFillSymbol();
    double hatchingAngle = geo.getHatchingAngle();
    String fileName = geo.getImageFileName();
    float alpha = geo.getAlphaValue();
    AlgoBarChart algop = (AlgoBarChart) geo.getParentAlgorithm();
    int k;
    if (isVisible) {
      try {
        if (geo.doHighlighting()) {
          g2.setPaint(sum.getSelColor());
          g2.setStroke(selStroke);
          for (int i = 0; i < gp.length; i++) {
            k = i + 1;
            if (algop.getBarColor(k) != null) {
              GColor col = algop.getBarColor(k);
              g2.setPaint(
                  AwtFactory.prototype.newColor(
                      col.getRed(), col.getGreen(),
                      col.getBlue(), col.getAlpha()));
            }
            g2.draw(gp[i]);
          }
          g2.setPaint(color);
        }
      } catch (Exception e) {
        App.debug(e.getMessage());
      }

      try {
        if (algo.getDrawType() != DrawType.STEP_GRAPH_CONTINUOUS) {
          /*
           * Use tags for draw if there are
           */
          for (int i = 0; i < gp.length; i++) {
            k = i + 1;
            if (algop.getBarColor(k) != null) {
              GColor col = algop.getBarColor(k);
              geo.setObjColor(col);
              geo.setAlphaValue(col.getAlpha());
            }
            if (algop.getBarAlpha(k) != -1.0) {
              geo.setAlphaValue(algop.getBarAlpha(k));
            }

            geo.setFillType(algop.getBarFillType(k));

            if (algop.getBarSymbol(k) != null) {
              geo.setFillSymbol(algop.getBarSymbol(k));
            }
            if (algop.getBarImage(k) != null) {
              geo.setImageFileName(algop.getBarImage(k));
            }
            if (algop.getBarHatchDistance(k) != -1) {
              geo.setHatchingDistance(algop.getBarHatchDistance(k));
            }
            if (algop.getBarHatchAngle(k) != -1) {
              geo.setHatchingAngle(algop.getBarHatchAngle(k));
            }

            fill(g2, gp[i], false); // fill using
            // default/hatching/image as
            // appropriate
            // Restore values
            geo.setObjColor(color);
            geo.setFillType(fillType);
            geo.setHatchingAngle((int) hatchingAngle);
            geo.setHatchingDistance(hatchingDistance);
            geo.setFillSymbol(symbol);
            geo.setImageFileName(fileName);
            geo.setAlphaValue(alpha);
          }
        }

      } catch (Exception e) {
        e.printStackTrace();
      }

      try {
        if (geo.getLineThickness() > 0) {
          g2.setPaint(getObjectColor());
          g2.setStroke(objStroke);
          for (int i = 0; i < gp.length; i++) {
            k = i + 1;
            if (algop.getBarColor(k) != null) {
              GColor col = algop.getBarColor(k);
              g2.setPaint(
                  AwtFactory.prototype.newColor(
                      col.getRed(), col.getGreen(),
                      col.getBlue(), geo.getLineOpacity()));
            }
            g2.draw(gp[i]);
          }
          g2.setPaint(color);
        }
      } catch (Exception e) {
        App.debug(e.getMessage());
      }
      if (labelVisible) {
        g2.setFont(view.getFontConic());
        g2.setPaint(geo.getLabelColor());
        drawLabel(g2);
      }

      // point
      if (algo.hasPoints()) {
        for (int i = 0; i < drawPoints.size(); i++) {
          drawPoints.get(i).draw(g2);
        }
      }
    }
  }