Method drawPlotObject

ij/src/main/java/ij/gui/Plot.java:3235–3483

(PlotObject plotObject, ImageProcessor ip)

	}

	@AstroImageJ(reason = """
            widen access
            don't draw transparent objects
            support drawing labels inline with x axis label
            """, modified = true)
	protected void drawPlotObject(PlotObject plotObject, ImageProcessor ip) {
		//var plotObject = (PlotObject) iPlotObject;
		//IJ.log("DRAWING type="+plotObject.type+" lineWidth="+plotObject.lineWidth+" shape="+plotObject.shape);
		if (plotObject.hasFlag(PlotObject.HIDDEN)) return;
		if (plotObject.color.getAlpha() == 0) return;
		ip.setColor(plotObject.color);
		ip.setLineWidth(sc(plotObject.lineWidth));
		int type = plotObject.type;
		switch (type) {
			case PlotObject.XY_DATA:
				ip.setClipRect(frame);
				int nPoints = Math.min(plotObject.xValues.length, plotObject.yValues.length);

				if (plotObject.shape==BAR || plotObject.shape==SEPARATED_BAR)
					drawBarChart(plotObject);       // (separated) bars

				if (plotObject.shape == FILLED) {   // filling below line
					ip.setColor(plotObject.color2 != null ? plotObject.color2 : plotObject.color);
					drawFloatPolyLineFilled(ip, plotObject.xValues, plotObject.yValues, nPoints);
				}
				ip.setColor(plotObject.color);
				ip.setLineWidth(sc(plotObject.lineWidth));

				if (plotObject.yEValues != null)    // error bars in front of bars and fill area below the line, but behind lines and marker symbols
					drawVerticalErrorBars(plotObject.xValues, plotObject.yValues, plotObject.yEValues);
				if (plotObject.xEValues != null)
					drawHorizontalErrorBars(plotObject.xValues, plotObject.yValues, plotObject.xEValues);

				if (plotObject.hasFilledMarker()) { // fill markers with secondary color
					int markSize = plotObject.getMarkerSize();
					ip.setColor(plotObject.color2);
					ip.setLineWidth(1);
					for (int i=0; i<nPoints; i++)
						if ((!logXAxis || plotObject.xValues[i]>0) && (!logYAxis || plotObject.yValues[i]>0)
								&& !Double.isNaN(plotObject.xValues[i]) && !Double.isNaN(plotObject.yValues[i]))
							fillShape(plotObject.shape, scaleX(plotObject.xValues[i]), scaleY(plotObject.yValues[i]), markSize);
					ip.setColor(plotObject.color);
					ip.setLineWidth(sc(plotObject.lineWidth));
				}
				if (plotObject.hasCurve()) {        // draw the lines between the points
					if (plotObject.shape == CONNECTED_CIRCLES)
						ip.setColor(plotObject.color2 == null ? Color.black : plotObject.color2);
					drawFloatPolyline(ip, plotObject.xValues, plotObject.yValues, nPoints);
					ip.setColor(plotObject.color);
				}
				if (plotObject.hasMarker()) {       // draw the marker symbols
					int markSize = plotObject.getMarkerSize();
					ip.setColor(plotObject.color);
					Font saveFont = ip.getFont();
					for (int i=0; i<Math.min(plotObject.xValues.length, plotObject.yValues.length); i++) {
						if ((!logXAxis || plotObject.xValues[i]>0) && (!logYAxis || plotObject.yValues[i]>0)
						&& !Double.isNaN(plotObject.xValues[i]) && !Double.isNaN(plotObject.yValues[i]))
							drawShape(plotObject, scaleX(plotObject.xValues[i]), scaleY(plotObject.yValues[i]), plotObject.shape, markSize, i);