Java Code Examples for org.jfree.chart.labels.PieSectionLabelGenerator#generateSectionLabel()
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org.jfree.chart.labels.PieSectionLabelGenerator#generateSectionLabel() .
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Example 1
Source File: PiePlot.java From openstock with GNU General Public License v3.0 | 4 votes |
/** * Draws the pie section labels in the simple form. * * @param g2 the graphics device. * @param keys the section keys. * @param totalValue the total value for all sections in the pie. * @param plotArea the plot area. * @param pieArea the area containing the pie. * @param state the plot state. * * @since 1.0.7 */ protected void drawSimpleLabels(Graphics2D g2, List keys, double totalValue, Rectangle2D plotArea, Rectangle2D pieArea, PiePlotState state) { Composite originalComposite = g2.getComposite(); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f)); Rectangle2D labelsArea = this.simpleLabelOffset.createInsetRectangle( pieArea); double runningTotal = 0.0; Iterator iterator = keys.iterator(); while (iterator.hasNext()) { Comparable key = (Comparable) iterator.next(); boolean include; double v = 0.0; Number n = getDataset().getValue(key); if (n == null) { include = !getIgnoreNullValues(); } else { v = n.doubleValue(); include = getIgnoreZeroValues() ? v > 0.0 : v >= 0.0; } if (include) { runningTotal = runningTotal + v; // work out the mid angle (0 - 90 and 270 - 360) = right, // otherwise left double mid = getStartAngle() + (getDirection().getFactor() * ((runningTotal - v / 2.0) * 360) / totalValue); Arc2D arc = new Arc2D.Double(labelsArea, getStartAngle(), mid - getStartAngle(), Arc2D.OPEN); int x = (int) arc.getEndPoint().getX(); int y = (int) arc.getEndPoint().getY(); PieSectionLabelGenerator myLabelGenerator = getLabelGenerator(); if (myLabelGenerator == null) { continue; } String label = myLabelGenerator.generateSectionLabel( this.dataset, key); if (label == null) { continue; } g2.setFont(this.labelFont); FontMetrics fm = g2.getFontMetrics(); Rectangle2D bounds = TextUtilities.getTextBounds(label, g2, fm); Rectangle2D out = this.labelPadding.createOutsetRectangle( bounds); Shape bg = ShapeUtilities.createTranslatedShape(out, x - bounds.getCenterX(), y - bounds.getCenterY()); if (this.labelShadowPaint != null && this.shadowGenerator == null) { Shape shadow = ShapeUtilities.createTranslatedShape(bg, this.shadowXOffset, this.shadowYOffset); g2.setPaint(this.labelShadowPaint); g2.fill(shadow); } if (this.labelBackgroundPaint != null) { g2.setPaint(this.labelBackgroundPaint); g2.fill(bg); } if (this.labelOutlinePaint != null && this.labelOutlineStroke != null) { g2.setPaint(this.labelOutlinePaint); g2.setStroke(this.labelOutlineStroke); g2.draw(bg); } g2.setPaint(this.labelPaint); g2.setFont(this.labelFont); TextUtilities.drawAlignedString(label, g2, x, y, TextAnchor.CENTER); } } g2.setComposite(originalComposite); }
Example 2
Source File: PiePlot.java From ccu-historian with GNU General Public License v3.0 | 4 votes |
/** * Draws the pie section labels in the simple form. * * @param g2 the graphics device. * @param keys the section keys. * @param totalValue the total value for all sections in the pie. * @param plotArea the plot area. * @param pieArea the area containing the pie. * @param state the plot state. * * @since 1.0.7 */ protected void drawSimpleLabels(Graphics2D g2, List keys, double totalValue, Rectangle2D plotArea, Rectangle2D pieArea, PiePlotState state) { Composite originalComposite = g2.getComposite(); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f)); Rectangle2D labelsArea = this.simpleLabelOffset.createInsetRectangle( pieArea); double runningTotal = 0.0; Iterator iterator = keys.iterator(); while (iterator.hasNext()) { Comparable key = (Comparable) iterator.next(); boolean include; double v = 0.0; Number n = getDataset().getValue(key); if (n == null) { include = !getIgnoreNullValues(); } else { v = n.doubleValue(); include = getIgnoreZeroValues() ? v > 0.0 : v >= 0.0; } if (include) { runningTotal = runningTotal + v; // work out the mid angle (0 - 90 and 270 - 360) = right, // otherwise left double mid = getStartAngle() + (getDirection().getFactor() * ((runningTotal - v / 2.0) * 360) / totalValue); Arc2D arc = new Arc2D.Double(labelsArea, getStartAngle(), mid - getStartAngle(), Arc2D.OPEN); int x = (int) arc.getEndPoint().getX(); int y = (int) arc.getEndPoint().getY(); PieSectionLabelGenerator myLabelGenerator = getLabelGenerator(); if (myLabelGenerator == null) { continue; } String label = myLabelGenerator.generateSectionLabel( this.dataset, key); if (label == null) { continue; } g2.setFont(this.labelFont); FontMetrics fm = g2.getFontMetrics(); Rectangle2D bounds = TextUtilities.getTextBounds(label, g2, fm); Rectangle2D out = this.labelPadding.createOutsetRectangle( bounds); Shape bg = ShapeUtilities.createTranslatedShape(out, x - bounds.getCenterX(), y - bounds.getCenterY()); if (this.labelShadowPaint != null && this.shadowGenerator == null) { Shape shadow = ShapeUtilities.createTranslatedShape(bg, this.shadowXOffset, this.shadowYOffset); g2.setPaint(this.labelShadowPaint); g2.fill(shadow); } if (this.labelBackgroundPaint != null) { g2.setPaint(this.labelBackgroundPaint); g2.fill(bg); } if (this.labelOutlinePaint != null && this.labelOutlineStroke != null) { g2.setPaint(this.labelOutlinePaint); g2.setStroke(this.labelOutlineStroke); g2.draw(bg); } g2.setPaint(this.labelPaint); g2.setFont(this.labelFont); TextUtilities.drawAlignedString(label, g2, x, y, TextAnchor.CENTER); } } g2.setComposite(originalComposite); }
Example 3
Source File: PiePlot.java From SIMVA-SoS with Apache License 2.0 | 4 votes |
/** * Draws the pie section labels in the simple form. * * @param g2 the graphics device. * @param keys the section keys. * @param totalValue the total value for all sections in the pie. * @param plotArea the plot area. * @param pieArea the area containing the pie. * @param state the plot state. * * @since 1.0.7 */ protected void drawSimpleLabels(Graphics2D g2, List keys, double totalValue, Rectangle2D plotArea, Rectangle2D pieArea, PiePlotState state) { Composite originalComposite = g2.getComposite(); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f)); Rectangle2D labelsArea = this.simpleLabelOffset.createInsetRectangle( pieArea); double runningTotal = 0.0; Iterator iterator = keys.iterator(); while (iterator.hasNext()) { Comparable key = (Comparable) iterator.next(); boolean include; double v = 0.0; Number n = getDataset().getValue(key); if (n == null) { include = !getIgnoreNullValues(); } else { v = n.doubleValue(); include = getIgnoreZeroValues() ? v > 0.0 : v >= 0.0; } if (include) { runningTotal = runningTotal + v; // work out the mid angle (0 - 90 and 270 - 360) = right, // otherwise left double mid = getStartAngle() + (getDirection().getFactor() * ((runningTotal - v / 2.0) * 360) / totalValue); Arc2D arc = new Arc2D.Double(labelsArea, getStartAngle(), mid - getStartAngle(), Arc2D.OPEN); int x = (int) arc.getEndPoint().getX(); int y = (int) arc.getEndPoint().getY(); PieSectionLabelGenerator myLabelGenerator = getLabelGenerator(); if (myLabelGenerator == null) { continue; } String label = myLabelGenerator.generateSectionLabel( this.dataset, key); if (label == null) { continue; } g2.setFont(this.labelFont); FontMetrics fm = g2.getFontMetrics(); Rectangle2D bounds = TextUtilities.getTextBounds(label, g2, fm); Rectangle2D out = this.labelPadding.createOutsetRectangle( bounds); Shape bg = ShapeUtilities.createTranslatedShape(out, x - bounds.getCenterX(), y - bounds.getCenterY()); if (this.labelShadowPaint != null && this.shadowGenerator == null) { Shape shadow = ShapeUtilities.createTranslatedShape(bg, this.shadowXOffset, this.shadowYOffset); g2.setPaint(this.labelShadowPaint); g2.fill(shadow); } if (this.labelBackgroundPaint != null) { g2.setPaint(this.labelBackgroundPaint); g2.fill(bg); } if (this.labelOutlinePaint != null && this.labelOutlineStroke != null) { g2.setPaint(this.labelOutlinePaint); g2.setStroke(this.labelOutlineStroke); g2.draw(bg); } g2.setPaint(this.labelPaint); g2.setFont(this.labelFont); TextUtilities.drawAlignedString(label, g2, x, y, TextAnchor.CENTER); } } g2.setComposite(originalComposite); }
Example 4
Source File: Chart_15_PiePlot_s.java From coming with MIT License | 4 votes |
/** * Draws the pie section labels in the simple form. * * @param g2 the graphics device. * @param keys the section keys. * @param totalValue the total value for all sections in the pie. * @param plotArea the plot area. * @param pieArea the area containing the pie. * @param state the plot state. * * @since 1.0.7 */ protected void drawSimpleLabels(Graphics2D g2, List keys, double totalValue, Rectangle2D plotArea, Rectangle2D pieArea, PiePlotState state) { Composite originalComposite = g2.getComposite(); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f)); RectangleInsets labelInsets = new RectangleInsets(UnitType.RELATIVE, 0.18, 0.18, 0.18, 0.18); Rectangle2D labelsArea = labelInsets.createInsetRectangle(pieArea); double runningTotal = 0.0; Iterator iterator = keys.iterator(); while (iterator.hasNext()) { Comparable key = (Comparable) iterator.next(); boolean include = true; double v = 0.0; Number n = getDataset().getValue(key); if (n == null) { include = !getIgnoreNullValues(); } else { v = n.doubleValue(); include = getIgnoreZeroValues() ? v > 0.0 : v >= 0.0; } if (include) { runningTotal = runningTotal + v; // work out the mid angle (0 - 90 and 270 - 360) = right, // otherwise left double mid = getStartAngle() + (getDirection().getFactor() * ((runningTotal - v / 2.0) * 360) / totalValue); Arc2D arc = new Arc2D.Double(labelsArea, getStartAngle(), mid - getStartAngle(), Arc2D.OPEN); int x = (int) arc.getEndPoint().getX(); int y = (int) arc.getEndPoint().getY(); PieSectionLabelGenerator labelGenerator = getLabelGenerator(); if (labelGenerator == null) { continue; } String label = labelGenerator.generateSectionLabel( this.dataset, key); if (label == null) { continue; } g2.setFont(this.labelFont); FontMetrics fm = g2.getFontMetrics(); Rectangle2D bounds = TextUtilities.getTextBounds(label, g2, fm); Rectangle2D out = this.labelPadding.createOutsetRectangle( bounds); Shape bg = ShapeUtilities.createTranslatedShape(out, x - bounds.getCenterX(), y - bounds.getCenterY()); if (this.labelShadowPaint != null) { Shape shadow = ShapeUtilities.createTranslatedShape(bg, this.shadowXOffset, this.shadowYOffset); g2.setPaint(this.labelShadowPaint); g2.fill(shadow); } if (this.labelBackgroundPaint != null) { g2.setPaint(this.labelBackgroundPaint); g2.fill(bg); } if (this.labelOutlinePaint != null && this.labelOutlineStroke != null) { g2.setPaint(this.labelOutlinePaint); g2.setStroke(this.labelOutlineStroke); g2.draw(bg); } g2.setPaint(this.labelPaint); g2.setFont(this.labelFont); TextUtilities.drawAlignedString(getLabelGenerator() .generateSectionLabel(getDataset(), key), g2, x, y, TextAnchor.CENTER); } } g2.setComposite(originalComposite); }
Example 5
Source File: Chart_15_PiePlot_t.java From coming with MIT License | 4 votes |
/** * Draws the pie section labels in the simple form. * * @param g2 the graphics device. * @param keys the section keys. * @param totalValue the total value for all sections in the pie. * @param plotArea the plot area. * @param pieArea the area containing the pie. * @param state the plot state. * * @since 1.0.7 */ protected void drawSimpleLabels(Graphics2D g2, List keys, double totalValue, Rectangle2D plotArea, Rectangle2D pieArea, PiePlotState state) { Composite originalComposite = g2.getComposite(); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f)); RectangleInsets labelInsets = new RectangleInsets(UnitType.RELATIVE, 0.18, 0.18, 0.18, 0.18); Rectangle2D labelsArea = labelInsets.createInsetRectangle(pieArea); double runningTotal = 0.0; Iterator iterator = keys.iterator(); while (iterator.hasNext()) { Comparable key = (Comparable) iterator.next(); boolean include = true; double v = 0.0; Number n = getDataset().getValue(key); if (n == null) { include = !getIgnoreNullValues(); } else { v = n.doubleValue(); include = getIgnoreZeroValues() ? v > 0.0 : v >= 0.0; } if (include) { runningTotal = runningTotal + v; // work out the mid angle (0 - 90 and 270 - 360) = right, // otherwise left double mid = getStartAngle() + (getDirection().getFactor() * ((runningTotal - v / 2.0) * 360) / totalValue); Arc2D arc = new Arc2D.Double(labelsArea, getStartAngle(), mid - getStartAngle(), Arc2D.OPEN); int x = (int) arc.getEndPoint().getX(); int y = (int) arc.getEndPoint().getY(); PieSectionLabelGenerator labelGenerator = getLabelGenerator(); if (labelGenerator == null) { continue; } String label = labelGenerator.generateSectionLabel( this.dataset, key); if (label == null) { continue; } g2.setFont(this.labelFont); FontMetrics fm = g2.getFontMetrics(); Rectangle2D bounds = TextUtilities.getTextBounds(label, g2, fm); Rectangle2D out = this.labelPadding.createOutsetRectangle( bounds); Shape bg = ShapeUtilities.createTranslatedShape(out, x - bounds.getCenterX(), y - bounds.getCenterY()); if (this.labelShadowPaint != null) { Shape shadow = ShapeUtilities.createTranslatedShape(bg, this.shadowXOffset, this.shadowYOffset); g2.setPaint(this.labelShadowPaint); g2.fill(shadow); } if (this.labelBackgroundPaint != null) { g2.setPaint(this.labelBackgroundPaint); g2.fill(bg); } if (this.labelOutlinePaint != null && this.labelOutlineStroke != null) { g2.setPaint(this.labelOutlinePaint); g2.setStroke(this.labelOutlineStroke); g2.draw(bg); } g2.setPaint(this.labelPaint); g2.setFont(this.labelFont); TextUtilities.drawAlignedString(getLabelGenerator() .generateSectionLabel(getDataset(), key), g2, x, y, TextAnchor.CENTER); } } g2.setComposite(originalComposite); }
Example 6
Source File: PiePlot.java From ECG-Viewer with GNU General Public License v2.0 | 4 votes |
/** * Draws the pie section labels in the simple form. * * @param g2 the graphics device. * @param keys the section keys. * @param totalValue the total value for all sections in the pie. * @param plotArea the plot area. * @param pieArea the area containing the pie. * @param state the plot state. * * @since 1.0.7 */ protected void drawSimpleLabels(Graphics2D g2, List keys, double totalValue, Rectangle2D plotArea, Rectangle2D pieArea, PiePlotState state) { Composite originalComposite = g2.getComposite(); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f)); Rectangle2D labelsArea = this.simpleLabelOffset.createInsetRectangle( pieArea); double runningTotal = 0.0; Iterator iterator = keys.iterator(); while (iterator.hasNext()) { Comparable key = (Comparable) iterator.next(); boolean include; double v = 0.0; Number n = getDataset().getValue(key); if (n == null) { include = !getIgnoreNullValues(); } else { v = n.doubleValue(); include = getIgnoreZeroValues() ? v > 0.0 : v >= 0.0; } if (include) { runningTotal = runningTotal + v; // work out the mid angle (0 - 90 and 270 - 360) = right, // otherwise left double mid = getStartAngle() + (getDirection().getFactor() * ((runningTotal - v / 2.0) * 360) / totalValue); Arc2D arc = new Arc2D.Double(labelsArea, getStartAngle(), mid - getStartAngle(), Arc2D.OPEN); int x = (int) arc.getEndPoint().getX(); int y = (int) arc.getEndPoint().getY(); PieSectionLabelGenerator myLabelGenerator = getLabelGenerator(); if (myLabelGenerator == null) { continue; } String label = myLabelGenerator.generateSectionLabel( this.dataset, key); if (label == null) { continue; } g2.setFont(this.labelFont); FontMetrics fm = g2.getFontMetrics(); Rectangle2D bounds = TextUtilities.getTextBounds(label, g2, fm); Rectangle2D out = this.labelPadding.createOutsetRectangle( bounds); Shape bg = ShapeUtilities.createTranslatedShape(out, x - bounds.getCenterX(), y - bounds.getCenterY()); if (this.labelShadowPaint != null && this.shadowGenerator == null) { Shape shadow = ShapeUtilities.createTranslatedShape(bg, this.shadowXOffset, this.shadowYOffset); g2.setPaint(this.labelShadowPaint); g2.fill(shadow); } if (this.labelBackgroundPaint != null) { g2.setPaint(this.labelBackgroundPaint); g2.fill(bg); } if (this.labelOutlinePaint != null && this.labelOutlineStroke != null) { g2.setPaint(this.labelOutlinePaint); g2.setStroke(this.labelOutlineStroke); g2.draw(bg); } g2.setPaint(this.labelPaint); g2.setFont(this.labelFont); TextUtilities.drawAlignedString(label, g2, x, y, TextAnchor.CENTER); } } g2.setComposite(originalComposite); }
Example 7
Source File: PiePlot.java From astor with GNU General Public License v2.0 | 4 votes |
/** * Draws the pie section labels in the simple form. * * @param g2 the graphics device. * @param keys the section keys. * @param totalValue the total value for all sections in the pie. * @param plotArea the plot area. * @param pieArea the area containing the pie. * @param state the plot state. * * @since 1.0.7 */ protected void drawSimpleLabels(Graphics2D g2, List keys, double totalValue, Rectangle2D plotArea, Rectangle2D pieArea, PiePlotState state) { Composite originalComposite = g2.getComposite(); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f)); Rectangle2D labelsArea = this.simpleLabelOffset.createInsetRectangle( pieArea); double runningTotal = 0.0; Iterator iterator = keys.iterator(); while (iterator.hasNext()) { Comparable key = (Comparable) iterator.next(); boolean include = true; double v = 0.0; Number n = getDataset().getValue(key); if (n == null) { include = !getIgnoreNullValues(); } else { v = n.doubleValue(); include = getIgnoreZeroValues() ? v > 0.0 : v >= 0.0; } if (include) { runningTotal = runningTotal + v; // work out the mid angle (0 - 90 and 270 - 360) = right, // otherwise left double mid = getStartAngle() + (getDirection().getFactor() * ((runningTotal - v / 2.0) * 360) / totalValue); Arc2D arc = new Arc2D.Double(labelsArea, getStartAngle(), mid - getStartAngle(), Arc2D.OPEN); int x = (int) arc.getEndPoint().getX(); int y = (int) arc.getEndPoint().getY(); PieSectionLabelGenerator labelGenerator = getLabelGenerator(); if (labelGenerator == null) { continue; } String label = labelGenerator.generateSectionLabel( this.dataset, key); if (label == null) { continue; } g2.setFont(this.labelFont); FontMetrics fm = g2.getFontMetrics(); Rectangle2D bounds = TextUtilities.getTextBounds(label, g2, fm); Rectangle2D out = this.labelPadding.createOutsetRectangle( bounds); Shape bg = ShapeUtilities.createTranslatedShape(out, x - bounds.getCenterX(), y - bounds.getCenterY()); if (this.labelShadowPaint != null && this.shadowGenerator == null) { Shape shadow = ShapeUtilities.createTranslatedShape(bg, this.shadowXOffset, this.shadowYOffset); g2.setPaint(this.labelShadowPaint); g2.fill(shadow); } if (this.labelBackgroundPaint != null) { g2.setPaint(this.labelBackgroundPaint); g2.fill(bg); } if (this.labelOutlinePaint != null && this.labelOutlineStroke != null) { g2.setPaint(this.labelOutlinePaint); g2.setStroke(this.labelOutlineStroke); g2.draw(bg); } g2.setPaint(this.labelPaint); g2.setFont(this.labelFont); TextUtilities.drawAlignedString(getLabelGenerator() .generateSectionLabel(getDataset(), key), g2, x, y, TextAnchor.CENTER); } } g2.setComposite(originalComposite); }
Example 8
Source File: PiePlot.java From astor with GNU General Public License v2.0 | 4 votes |
/** * Draws the pie section labels in the simple form. * * @param g2 the graphics device. * @param keys the section keys. * @param totalValue the total value for all sections in the pie. * @param plotArea the plot area. * @param pieArea the area containing the pie. * @param state the plot state. * * @since 1.0.7 */ protected void drawSimpleLabels(Graphics2D g2, List keys, double totalValue, Rectangle2D plotArea, Rectangle2D pieArea, PiePlotState state) { Composite originalComposite = g2.getComposite(); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f)); RectangleInsets labelInsets = new RectangleInsets(UnitType.RELATIVE, 0.18, 0.18, 0.18, 0.18); Rectangle2D labelsArea = labelInsets.createInsetRectangle(pieArea); double runningTotal = 0.0; Iterator iterator = keys.iterator(); while (iterator.hasNext()) { Comparable key = (Comparable) iterator.next(); boolean include = true; double v = 0.0; Number n = getDataset().getValue(key); if (n == null) { include = !getIgnoreNullValues(); } else { v = n.doubleValue(); include = getIgnoreZeroValues() ? v > 0.0 : v >= 0.0; } if (include) { runningTotal = runningTotal + v; // work out the mid angle (0 - 90 and 270 - 360) = right, // otherwise left double mid = getStartAngle() + (getDirection().getFactor() * ((runningTotal - v / 2.0) * 360) / totalValue); Arc2D arc = new Arc2D.Double(labelsArea, getStartAngle(), mid - getStartAngle(), Arc2D.OPEN); int x = (int) arc.getEndPoint().getX(); int y = (int) arc.getEndPoint().getY(); PieSectionLabelGenerator labelGenerator = getLabelGenerator(); if (labelGenerator == null) { continue; } String label = labelGenerator.generateSectionLabel( this.dataset, key); if (label == null) { continue; } g2.setFont(this.labelFont); FontMetrics fm = g2.getFontMetrics(); Rectangle2D bounds = TextUtilities.getTextBounds(label, g2, fm); Rectangle2D out = this.labelPadding.createOutsetRectangle( bounds); Shape bg = ShapeUtilities.createTranslatedShape(out, x - bounds.getCenterX(), y - bounds.getCenterY()); if (this.labelShadowPaint != null) { Shape shadow = ShapeUtilities.createTranslatedShape(bg, this.shadowXOffset, this.shadowYOffset); g2.setPaint(this.labelShadowPaint); g2.fill(shadow); } if (this.labelBackgroundPaint != null) { g2.setPaint(this.labelBackgroundPaint); g2.fill(bg); } if (this.labelOutlinePaint != null && this.labelOutlineStroke != null) { g2.setPaint(this.labelOutlinePaint); g2.setStroke(this.labelOutlineStroke); g2.draw(bg); } g2.setPaint(this.labelPaint); g2.setFont(this.labelFont); TextUtilities.drawAlignedString(getLabelGenerator() .generateSectionLabel(getDataset(), key), g2, x, y, TextAnchor.CENTER); } } g2.setComposite(originalComposite); }
Example 9
Source File: PiePlot.java From buffer_bci with GNU General Public License v3.0 | 4 votes |
/** * Draws the pie section labels in the simple form. * * @param g2 the graphics device. * @param keys the section keys. * @param totalValue the total value for all sections in the pie. * @param plotArea the plot area. * @param pieArea the area containing the pie. * @param state the plot state. * * @since 1.0.7 */ protected void drawSimpleLabels(Graphics2D g2, List keys, double totalValue, Rectangle2D plotArea, Rectangle2D pieArea, PiePlotState state) { Composite originalComposite = g2.getComposite(); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f)); Rectangle2D labelsArea = this.simpleLabelOffset.createInsetRectangle( pieArea); double runningTotal = 0.0; Iterator iterator = keys.iterator(); while (iterator.hasNext()) { Comparable key = (Comparable) iterator.next(); boolean include; double v = 0.0; Number n = getDataset().getValue(key); if (n == null) { include = !getIgnoreNullValues(); } else { v = n.doubleValue(); include = getIgnoreZeroValues() ? v > 0.0 : v >= 0.0; } if (include) { runningTotal = runningTotal + v; // work out the mid angle (0 - 90 and 270 - 360) = right, // otherwise left double mid = getStartAngle() + (getDirection().getFactor() * ((runningTotal - v / 2.0) * 360) / totalValue); Arc2D arc = new Arc2D.Double(labelsArea, getStartAngle(), mid - getStartAngle(), Arc2D.OPEN); int x = (int) arc.getEndPoint().getX(); int y = (int) arc.getEndPoint().getY(); PieSectionLabelGenerator myLabelGenerator = getLabelGenerator(); if (myLabelGenerator == null) { continue; } String label = myLabelGenerator.generateSectionLabel( this.dataset, key); if (label == null) { continue; } g2.setFont(this.labelFont); FontMetrics fm = g2.getFontMetrics(); Rectangle2D bounds = TextUtilities.getTextBounds(label, g2, fm); Rectangle2D out = this.labelPadding.createOutsetRectangle( bounds); Shape bg = ShapeUtilities.createTranslatedShape(out, x - bounds.getCenterX(), y - bounds.getCenterY()); if (this.labelShadowPaint != null && this.shadowGenerator == null) { Shape shadow = ShapeUtilities.createTranslatedShape(bg, this.shadowXOffset, this.shadowYOffset); g2.setPaint(this.labelShadowPaint); g2.fill(shadow); } if (this.labelBackgroundPaint != null) { g2.setPaint(this.labelBackgroundPaint); g2.fill(bg); } if (this.labelOutlinePaint != null && this.labelOutlineStroke != null) { g2.setPaint(this.labelOutlinePaint); g2.setStroke(this.labelOutlineStroke); g2.draw(bg); } g2.setPaint(this.labelPaint); g2.setFont(this.labelFont); TextUtilities.drawAlignedString(label, g2, x, y, TextAnchor.CENTER); } } g2.setComposite(originalComposite); }
Example 10
Source File: PiePlot.java From buffer_bci with GNU General Public License v3.0 | 4 votes |
/** * Draws the pie section labels in the simple form. * * @param g2 the graphics device. * @param keys the section keys. * @param totalValue the total value for all sections in the pie. * @param plotArea the plot area. * @param pieArea the area containing the pie. * @param state the plot state. * * @since 1.0.7 */ protected void drawSimpleLabels(Graphics2D g2, List keys, double totalValue, Rectangle2D plotArea, Rectangle2D pieArea, PiePlotState state) { Composite originalComposite = g2.getComposite(); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f)); Rectangle2D labelsArea = this.simpleLabelOffset.createInsetRectangle( pieArea); double runningTotal = 0.0; Iterator iterator = keys.iterator(); while (iterator.hasNext()) { Comparable key = (Comparable) iterator.next(); boolean include; double v = 0.0; Number n = getDataset().getValue(key); if (n == null) { include = !getIgnoreNullValues(); } else { v = n.doubleValue(); include = getIgnoreZeroValues() ? v > 0.0 : v >= 0.0; } if (include) { runningTotal = runningTotal + v; // work out the mid angle (0 - 90 and 270 - 360) = right, // otherwise left double mid = getStartAngle() + (getDirection().getFactor() * ((runningTotal - v / 2.0) * 360) / totalValue); Arc2D arc = new Arc2D.Double(labelsArea, getStartAngle(), mid - getStartAngle(), Arc2D.OPEN); int x = (int) arc.getEndPoint().getX(); int y = (int) arc.getEndPoint().getY(); PieSectionLabelGenerator myLabelGenerator = getLabelGenerator(); if (myLabelGenerator == null) { continue; } String label = myLabelGenerator.generateSectionLabel( this.dataset, key); if (label == null) { continue; } g2.setFont(this.labelFont); FontMetrics fm = g2.getFontMetrics(); Rectangle2D bounds = TextUtilities.getTextBounds(label, g2, fm); Rectangle2D out = this.labelPadding.createOutsetRectangle( bounds); Shape bg = ShapeUtilities.createTranslatedShape(out, x - bounds.getCenterX(), y - bounds.getCenterY()); if (this.labelShadowPaint != null && this.shadowGenerator == null) { Shape shadow = ShapeUtilities.createTranslatedShape(bg, this.shadowXOffset, this.shadowYOffset); g2.setPaint(this.labelShadowPaint); g2.fill(shadow); } if (this.labelBackgroundPaint != null) { g2.setPaint(this.labelBackgroundPaint); g2.fill(bg); } if (this.labelOutlinePaint != null && this.labelOutlineStroke != null) { g2.setPaint(this.labelOutlinePaint); g2.setStroke(this.labelOutlineStroke); g2.draw(bg); } g2.setPaint(this.labelPaint); g2.setFont(this.labelFont); TextUtilities.drawAlignedString(label, g2, x, y, TextAnchor.CENTER); } } g2.setComposite(originalComposite); }