Examples with TextBlock org.jfree.chart.text.TextBlock used on opensource projects

Example 1 with TextBlock

use of org.jfree.chart.text.TextBlock in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class CategoryAxis method refreshTicks.

/**
 * Creates a temporary list of ticks that can be used when drawing the axis.
 *
 * @param g2  the graphics device (used to get font measurements).
 * @param state  the axis state.
 * @param dataArea  the area inside the axes.
 * @param edge  the location of the axis.
 *
 * @return A list of ticks.
 */
@Override
public List refreshTicks(Graphics2D g2, AxisState state, Rectangle2D dataArea, RectangleEdge edge) {
    // FIXME generics
    List ticks = new java.util.ArrayList();
    // sanity check for data area...
    if (dataArea.getHeight() <= 0.0 || dataArea.getWidth() < 0.0) {
        return ticks;
    }
    CategoryPlot plot = (CategoryPlot) getPlot();
    List categories = plot.getCategoriesForAxis(this);
    double max = 0.0;
    if (categories != null) {
        CategoryLabelPosition position = this.categoryLabelPositions.getLabelPosition(edge);
        float r = this.maximumCategoryLabelWidthRatio;
        if (r <= 0.0) {
            r = position.getWidthRatio();
        }
        float l;
        if (position.getWidthType() == CategoryLabelWidthType.CATEGORY) {
            l = (float) calculateCategorySize(categories.size(), dataArea, edge);
        } else {
            if (RectangleEdge.isLeftOrRight(edge)) {
                l = (float) dataArea.getWidth();
            } else {
                l = (float) dataArea.getHeight();
            }
        }
        int categoryIndex = 0;
        for (Object o : categories) {
            Comparable category = (Comparable) o;
            g2.setFont(getTickLabelFont(category));
            TextBlock label = createLabel(category, l * r, edge, g2);
            if (edge == RectangleEdge.TOP || edge == RectangleEdge.BOTTOM) {
                max = Math.max(max, calculateCategoryLabelHeight(label, position, getTickLabelInsets(), g2));
            } else if (edge == RectangleEdge.LEFT || edge == RectangleEdge.RIGHT) {
                max = Math.max(max, calculateCategoryLabelWidth(label, position, getTickLabelInsets(), g2));
            }
            Tick tick = new CategoryTick(category, label, position.getLabelAnchor(), position.getRotationAnchor(), position.getAngle());
            ticks.add(tick);
            categoryIndex = categoryIndex + 1;
        }
    }
    state.setMax(max);
    return ticks;
}

Example 2 with TextBlock

use of org.jfree.chart.text.TextBlock in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class Plot method drawNoDataMessage.

/**
 * Draws a message to state that there is no data to plot.
 *
 * @param g2  the graphics device.
 * @param area  the area within which the plot should be drawn.
 */
protected void drawNoDataMessage(Graphics2D g2, Rectangle2D area) {
    Shape savedClip = g2.getClip();
    g2.clip(area);
    String message = this.noDataMessage;
    if (message != null) {
        g2.setFont(this.noDataMessageFont);
        g2.setPaint(this.noDataMessagePaint);
        TextBlock block = TextUtils.createTextBlock(this.noDataMessage, this.noDataMessageFont, this.noDataMessagePaint, 0.9f * (float) area.getWidth(), new G2TextMeasurer(g2));
        block.draw(g2, (float) area.getCenterX(), (float) area.getCenterY(), TextBlockAnchor.CENTER);
    }
    g2.setClip(savedClip);
}

Example 3 with TextBlock

use of org.jfree.chart.text.TextBlock in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class CategoryTickTest method testHashCode.

/**
 * Two objects that are equal are required to return the same hashCode.
 */
@Test
public void testHashCode() {
    Comparable<String> c1 = "C1";
    TextBlock tb1 = new TextBlock();
    tb1.addLine(new TextLine("Block 1"));
    tb1.addLine(new TextLine("Block 2"));
    TextBlockAnchor tba1 = TextBlockAnchor.CENTER;
    TextAnchor ta1 = TextAnchor.CENTER;
    CategoryTick t1 = new CategoryTick(c1, tb1, tba1, ta1, 1.0f);
    CategoryTick t2 = new CategoryTick(c1, tb1, tba1, ta1, 1.0f);
    assertEquals(t1, t2);
    int h1 = t1.hashCode();
    int h2 = t2.hashCode();
    assertEquals(h1, h2);
}

Example 4 with TextBlock

use of org.jfree.chart.text.TextBlock in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class ExtendedCategoryAxis method createLabel.

/**
 * Overrides the default behaviour by adding the sublabel to the text
 * block that is used for the category label.
 *
 * @param category  the category.
 * @param width  the width (not used yet).
 * @param edge  the location of the axis.
 * @param g2  the graphics device.
 *
 * @return A label.
 */
@Override
protected TextBlock createLabel(Comparable category, float width, RectangleEdge edge, Graphics2D g2) {
    TextBlock label = super.createLabel(category, width, edge, g2);
    String s = (String) this.sublabels.get(category);
    if (s != null) {
        if (edge == RectangleEdge.TOP || edge == RectangleEdge.BOTTOM) {
            TextLine line = new TextLine(s, this.sublabelFont, this.sublabelPaint);
            label.addLine(line);
        } else if (edge == RectangleEdge.LEFT || edge == RectangleEdge.RIGHT) {
            TextLine line = label.getLastLine();
            if (line != null) {
                line.addFragment(new TextFragment("  " + s, this.sublabelFont, this.sublabelPaint));
            }
        }
    }
    return label;
}

Example 5 with TextBlock

use of org.jfree.chart.text.TextBlock in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class CategoryAxis method drawCategoryLabels.

/**
 * Draws the category labels and returns the updated axis state.
 *
 * @param g2  the graphics device ({@code null} not permitted).
 * @param plotArea  the plot area ({@code null} not permitted).
 * @param dataArea  the area inside the axes ({@code null} not
 *                  permitted).
 * @param edge  the axis location ({@code null} not permitted).
 * @param state  the axis state ({@code null} not permitted).
 * @param plotState  collects information about the plot ({@code null}
 *                   permitted).
 *
 * @return The updated axis state (never {@code null}).
 */
protected AxisState drawCategoryLabels(Graphics2D g2, Rectangle2D plotArea, Rectangle2D dataArea, RectangleEdge edge, AxisState state, PlotRenderingInfo plotState) {
    Args.nullNotPermitted(state, "state");
    if (!isTickLabelsVisible()) {
        return state;
    }
    List ticks = refreshTicks(g2, state, plotArea, edge);
    state.setTicks(ticks);
    int categoryIndex = 0;
    for (Object o : ticks) {
        CategoryTick tick = (CategoryTick) o;
        g2.setFont(getTickLabelFont(tick.getCategory()));
        g2.setPaint(getTickLabelPaint(tick.getCategory()));
        CategoryLabelPosition position = this.categoryLabelPositions.getLabelPosition(edge);
        double x0 = 0.0;
        double x1 = 0.0;
        double y0 = 0.0;
        double y1 = 0.0;
        if (edge == RectangleEdge.TOP) {
            x0 = getCategoryStart(categoryIndex, ticks.size(), dataArea, edge);
            x1 = getCategoryEnd(categoryIndex, ticks.size(), dataArea, edge);
            y1 = state.getCursor() - this.categoryLabelPositionOffset;
            y0 = y1 - state.getMax();
        } else if (edge == RectangleEdge.BOTTOM) {
            x0 = getCategoryStart(categoryIndex, ticks.size(), dataArea, edge);
            x1 = getCategoryEnd(categoryIndex, ticks.size(), dataArea, edge);
            y0 = state.getCursor() + this.categoryLabelPositionOffset;
            y1 = y0 + state.getMax();
        } else if (edge == RectangleEdge.LEFT) {
            y0 = getCategoryStart(categoryIndex, ticks.size(), dataArea, edge);
            y1 = getCategoryEnd(categoryIndex, ticks.size(), dataArea, edge);
            x1 = state.getCursor() - this.categoryLabelPositionOffset;
            x0 = x1 - state.getMax();
        } else if (edge == RectangleEdge.RIGHT) {
            y0 = getCategoryStart(categoryIndex, ticks.size(), dataArea, edge);
            y1 = getCategoryEnd(categoryIndex, ticks.size(), dataArea, edge);
            x0 = state.getCursor() + this.categoryLabelPositionOffset;
            x1 = x0 - state.getMax();
        }
        Rectangle2D area = new Rectangle2D.Double(x0, y0, (x1 - x0), (y1 - y0));
        Point2D anchorPoint = position.getCategoryAnchor().getAnchorPoint(area);
        TextBlock block = tick.getLabel();
        block.draw(g2, (float) anchorPoint.getX(), (float) anchorPoint.getY(), position.getLabelAnchor(), (float) anchorPoint.getX(), (float) anchorPoint.getY(), position.getAngle());
        Shape bounds = block.calculateBounds(g2, (float) anchorPoint.getX(), (float) anchorPoint.getY(), position.getLabelAnchor(), (float) anchorPoint.getX(), (float) anchorPoint.getY(), position.getAngle());
        if (plotState != null && plotState.getOwner() != null) {
            EntityCollection entities = plotState.getOwner().getEntityCollection();
            if (entities != null) {
                String tooltip = getCategoryLabelToolTip(tick.getCategory());
                String url = getCategoryLabelURL(tick.getCategory());
                entities.add(new CategoryLabelEntity(tick.getCategory(), bounds, tooltip, url));
            }
        }
        categoryIndex++;
    }
    if (edge.equals(RectangleEdge.TOP)) {
        double h = state.getMax() + this.categoryLabelPositionOffset;
        state.cursorUp(h);
    } else if (edge.equals(RectangleEdge.BOTTOM)) {
        double h = state.getMax() + this.categoryLabelPositionOffset;
        state.cursorDown(h);
    } else if (edge == RectangleEdge.LEFT) {
        double w = state.getMax() + this.categoryLabelPositionOffset;
        state.cursorLeft(w);
    } else if (edge == RectangleEdge.RIGHT) {
        double w = state.getMax() + this.categoryLabelPositionOffset;
        state.cursorRight(w);
    }
    return state;
}