43 import org.openjdk.jmc.common.unit.UnitLookup; 44 import org.openjdk.jmc.ui.charts.XYQuantities.AbstractSpan; 45 46 public class QuantitySpanRenderer implements IXDataRenderer { 47 /** 48 * Sentinel value used to indicate a missing (unknown) start timestamp. 49 */ 50 public static final IQuantity MISSING_START = UnitLookup.EPOCH_S.quantity(0); 51 52 /** 53 * Sentinel value used to indicate a missing (unknown) end timestamp. 54 */ 55 public static final IQuantity MISSING_END = UnitLookup.EPOCH_S.quantity(Long.MAX_VALUE); 56 57 private final IQuantitySeries<?> ranges; 58 private final Paint paint; 59 private final int minOutlineHeight; 60 private final IXDataRenderer content; 61 private final String text; 62 private final String description; 63 64 public QuantitySpanRenderer(IQuantitySeries<?> ranges, IXDataRenderer content, Paint paint, int minOutlineHeight, 65 String text, String description) { 66 this.ranges = ranges; 67 this.content = content; 68 this.paint = paint; 69 this.minOutlineHeight = minOutlineHeight; 70 this.text = text; 71 this.description = description; 72 } 73 74 private static int calcMargin(int height) { 75 return Math.min(5, (height + 10) / 20); 76 } 77 78 @Override 79 public IRenderedRow render(Graphics2D context, SubdividedQuantityRange xRange, int height) { 80 int margin = calcMargin(height); 81 int innerHeight = height - 2 * margin; 82 context.translate(0, margin); 83 context.setPaint(paint); 84 XYQuantities<?> quantities = ranges.getQuantities(xRange); 85 // Need to set y range to same as x range to be able to draw ranges (and eliminate creation of quantities). 86 quantities.setYRange(xRange); 87 AWTChartToolkit.drawRanges(context, quantities, innerHeight, true); 88 IRenderedRow renderedContent = content.render(context, xRange, innerHeight); 89 if (innerHeight >= minOutlineHeight) { 90 context.setPaint(Color.BLACK); 91 AWTChartToolkit.drawRanges(context, quantities, innerHeight, false); 92 } 93 context.translate(0, -margin); 94 return new QuantitySpanRendering(margin, quantities, renderedContent, paint, text, description); 95 } 96 97 private static class QuantitySpanRendering extends RenderedRowBase { 98 99 private final XYQuantities<?> points; 100 private final IRenderedRow content; 101 private final Paint paint; 102 private final int margin; 103 private String description; 104 105 public QuantitySpanRendering(int margin, XYQuantities<?> points, IRenderedRow content, Paint paint, String text, 106 String description) { 107 super(Arrays.asList(new RenderedRowBase(margin), content, new RenderedRowBase(margin)), 108 content.getHeight() + 2 * margin, text, description, null); 109 this.margin = margin; 110 this.points = points; 111 this.content = content; 112 this.paint = paint; 113 this.description = description; 114 } 115 116 @Override 117 public void infoAt(IChartInfoVisitor visitor, int x, int y, Point offset) { 118 offset = new Point(offset.x, offset.y + margin); 119 content.infoAt(visitor, x, y, offset); 120 121 // FIXME: Only output this if near the boundaries? At least handle infinite lengths. 122 if (points != null) { 123 int bucket = points.floorIndexAtX(x); 124 if (bucket < points.getSize()) { 125 Span span = new Span(bucket, offset); 126 while (bucket >= 0) { 127 double x2 = points.getPixelY(bucket); 128 if (x < x2) { 129 span.setIndex(bucket); 130 visitor.visit(span); 131 // Break now, or can there be more to collect? 132 break; 133 } 134 bucket--; 135 } 136 } 137 } | 43 import org.openjdk.jmc.common.unit.UnitLookup; 44 import org.openjdk.jmc.ui.charts.XYQuantities.AbstractSpan; 45 46 public class QuantitySpanRenderer implements IXDataRenderer { 47 /** 48 * Sentinel value used to indicate a missing (unknown) start timestamp. 49 */ 50 public static final IQuantity MISSING_START = UnitLookup.EPOCH_S.quantity(0); 51 52 /** 53 * Sentinel value used to indicate a missing (unknown) end timestamp. 54 */ 55 public static final IQuantity MISSING_END = UnitLookup.EPOCH_S.quantity(Long.MAX_VALUE); 56 57 private final IQuantitySeries<?> ranges; 58 private final Paint paint; 59 private final int minOutlineHeight; 60 private final IXDataRenderer content; 61 private final String text; 62 private final String description; 63 private final Object data; 64 65 public QuantitySpanRenderer(IQuantitySeries<?> ranges, IXDataRenderer content, Paint paint, int minOutlineHeight, 66 String text, String description, Object data) { 67 this.ranges = ranges; 68 this.content = content; 69 this.paint = paint; 70 this.minOutlineHeight = minOutlineHeight; 71 this.text = text; 72 this.description = description; 73 this.data = data; 74 } 75 76 private static int calcMargin(int height) { 77 return Math.min(5, (height + 10) / 20); 78 } 79 80 public Object getData() { 81 return data; 82 } 83 84 @Override 85 public IRenderedRow render(Graphics2D context, SubdividedQuantityRange xRange, int height) { 86 int margin = calcMargin(height); 87 int innerHeight = height - 2 * margin; 88 context.translate(0, margin); 89 context.setPaint(paint); 90 XYQuantities<?> quantities = ranges.getQuantities(xRange); 91 // Need to set y range to same as x range to be able to draw ranges (and eliminate creation of quantities). 92 quantities.setYRange(xRange); 93 AWTChartToolkit.drawRanges(context, quantities, innerHeight, true); 94 IRenderedRow renderedContent = content.render(context, xRange, innerHeight); 95 if (innerHeight >= minOutlineHeight) { 96 context.setPaint(Color.BLACK); 97 AWTChartToolkit.drawRanges(context, quantities, innerHeight, false); 98 } 99 context.translate(0, -margin); 100 return new QuantitySpanRendering(margin, quantities, renderedContent, paint, text, description, data); 101 } 102 103 private static class QuantitySpanRendering extends RenderedRowBase { 104 105 private final XYQuantities<?> points; 106 private final IRenderedRow content; 107 private final Paint paint; 108 private final int margin; 109 private final String description; 110 private final Object data; 111 112 public QuantitySpanRendering(int margin, XYQuantities<?> points, IRenderedRow content, Paint paint, String text, 113 String description, Object data) { 114 super(Arrays.asList(new RenderedRowBase(margin), content, new RenderedRowBase(margin)), 115 content.getHeight() + 2 * margin, text, description, null); 116 this.margin = margin; 117 this.points = points; 118 this.content = content; 119 this.paint = paint; 120 this.description = description; 121 this.data = data; 122 } 123 124 @Override 125 public void infoAt(IChartInfoVisitor visitor, int x, int y, Point offset) { 126 visitor.hover(data); 127 offset = new Point(offset.x, offset.y + margin); 128 content.infoAt(visitor, x, y, offset); 129 130 // FIXME: Only output this if near the boundaries? At least handle infinite lengths. 131 if (points != null) { 132 int bucket = points.floorIndexAtX(x); 133 if (bucket < points.getSize()) { 134 Span span = new Span(bucket, offset); 135 while (bucket >= 0) { 136 double x2 = points.getPixelY(bucket); 137 if (x < x2) { 138 span.setIndex(bucket); 139 visitor.visit(span); 140 // Break now, or can there be more to collect? 141 break; 142 } 143 bucket--; 144 } 145 } 146 } |