private static Paint createTransparentCheckeredPaint(Color color, int checkerSize) {
int s = checkerSize;
BufferedImage bufferedImage = new BufferedImage(2 * s, 2 * s, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = bufferedImage.createGraphics();
g2.setRenderingHint(
RenderingHints.KEY_ANTIALIASING, // Anti-alias!
RenderingHints.VALUE_ANTIALIAS_ON);
Color c1 = DataStructureUtils.setColorAlpha(color, (int) (color.getAlpha() * .8));
Color c2 = DataStructureUtils.setColorAlpha(color, (int) (color.getAlpha() * .2));
g2.setStroke(new BasicStroke(0));
g2.setPaint(c2);
g2.setColor(c2);
g2.fillRect(0, 0, s, s);
g2.fillRect(s, s, s, s);
g2.setPaint(c1);
g2.setColor(c1);
g2.fillRect(0, s, s, s);
g2.fillRect(s, 0, s, s);
// paint with the texturing brush
Rectangle2D rect = new Rectangle2D.Double(0, 0, 2 * s, 2 * s);
return new TexturePaint(bufferedImage, rect);
}
@Override
public Paint getItemOutlinePaint(int seriesIdx, int valueIdx) {
if (getFormatDelegate().isItemSelected(seriesIdx, valueIdx)) {
return super.getItemOutlinePaint(seriesIdx, valueIdx);
} else {
return DataStructureUtils.setColorAlpha(Color.LIGHT_GRAY, 20);
}
}
private static void configureXYDifferenceRenderer(
FormattedXYDifferenceRenderer renderer,
ValueSource valueSource,
PlotConfiguration plotConfiguration) {
renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
SeriesFormat seriesFormat = valueSource.getSeriesFormat();
DimensionConfig domainConfig = valueSource.getDomainConfig();
DimensionConfig colorDimensionConfig =
plotConfiguration.getDimensionConfig(PlotDimension.COLOR);
DimensionConfig shapeDimensionConfig =
plotConfiguration.getDimensionConfig(PlotDimension.SHAPE);
int seriesCount = 1; // valueSource.getSeriesDataForAllGroupCells().groupCellCount();
// Loop all series and set series format.
// Format based on dimension configs will be set later on in initFormatDelegate().
for (int seriesIdx = 0; seriesIdx < seriesCount; ++seriesIdx) {
// configure linestyle
if (seriesFormat.getLineStyle() == LineStyle.NONE) {
} else {
renderer.setSeriesStroke(seriesIdx, seriesFormat.getStroke(), false);
}
// configure series shape if necessary
if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, shapeDimensionConfig)) {
if (seriesFormat.getItemShape() != ItemShape.NONE) {
renderer.setSeriesShape(seriesIdx, seriesFormat.getItemShape().getShape());
} else {
}
}
// configure series color if necessary
if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, colorDimensionConfig)) {
Color itemColor = seriesFormat.getItemColor();
Color halfTransparentPaint =
DataStructureUtils.setColorAlpha(itemColor, itemColor.getAlpha() / 2);
renderer.setSeriesPaint(0, halfTransparentPaint);
renderer.setSeriesFillPaint(0, halfTransparentPaint);
renderer.setPositivePaint(halfTransparentPaint);
renderer.setNegativePaint(
new Color(
255 - itemColor.getRed(),
255 - itemColor.getGreen(),
255 - itemColor.getBlue(),
itemColor.getAlpha() / 2));
}
renderer.setSeriesOutlinePaint(seriesIdx, PlotConfiguration.DEFAULT_SERIES_OUTLINE_PAINT);
}
}