public void PaintChild(System.Drawing.Graphics g, IPaintContext paintContext, IPlotArea layer, PlotItemCollection coll, int i)
{
CachedPaintData paintData = paintContext.GetValue <CachedPaintData>(this);
if (_useClipping)
{
//g.SetClip(clippingColl[i], CombineMode.Replace);
g.Clip = paintData._clippingColl[i];
}
if (null == paintData._plotDataColl[i])
{
coll[i].Paint(g, paintContext, layer, i == coll.Count - 1 ? null : coll[i - 1], i == 0 ? null : coll[i - 1]);
}
else
{
var layerwrapper = new TransformedLayerWrapper(layer, paintData._xincColl[i], paintData._yincColl[i]);
((G2DPlotItem)coll[i]).Paint(g, layerwrapper, paintData._plotDataColl[i], i == coll.Count - 1 ? null : paintData._plotDataColl[i + 1], i == 0 ? null : paintData._plotDataColl[i - 1]);
}
// The clipping region is no longer needed, so we can dispose it
if (_useClipping)
{
if (i == 0)
{
g.Clip = paintData._clippingColl[0]; // restore the original clipping region
}
else
{
paintData._clippingColl[i].Dispose(); // for i!=0 dispose the clipping region
}
}
}
public void PaintPreprocessing(System.Drawing.Graphics g, IPaintContext paintContext, IPlotArea layer, PlotItemCollection coll)
{
var paintData = new CachedPaintData
{
_clippingColl = new System.Drawing.Region[coll.Count],
_plotDataColl = new Processed2DPlotData[coll.Count],
_xincColl = new double[coll.Count],
_yincColl = new double[coll.Count]
};
paintContext.AddValue(this, paintData);
// First prepare
int idx = -1;
Processed2DPlotData previousPlotData = null;
for (int i = 0; i < coll.Count; i++)
{
if (coll[i] is G2DPlotItem)
{
idx++;
double currxinc = paintData._xincColl[i] = idx * _xinc * _scaleXInc;
double curryinc = paintData._yincColl[i] = idx * _yinc * _scaleYInc;
var gpi = coll[i] as G2DPlotItem;
Processed2DPlotData plotdata = paintData._plotDataColl[i] = gpi.GetRangesAndPoints(layer);
plotdata.PreviousItemData = previousPlotData;
previousPlotData = plotdata;
int j = -1;
foreach (int rowIndex in plotdata.RangeList.OriginalRowIndices())
{
j++;
AltaxoVariant xx = plotdata.GetXPhysical(rowIndex) + currxinc;
AltaxoVariant yy = plotdata.GetYPhysical(rowIndex) + curryinc;
var rel = new Logical3D(layer.XAxis.PhysicalVariantToNormal(xx), layer.YAxis.PhysicalVariantToNormal(yy));
layer.CoordinateSystem.LogicalToLayerCoordinates(rel, out var xabs, out var yabs);
plotdata.PlotPointsInAbsoluteLayerCoordinates[j] = new System.Drawing.PointF((float)xabs, (float)yabs);
}
// if clipping is used, we must get a clipping region for every plot item
// and combine the regions from
if (_useClipping)
{
if (i == 0)
{
paintData._clippingColl[i] = g.Clip;
}
Plot.Styles.LinePlotStyle linestyle = null;
foreach (Plot.Styles.IG2DPlotStyle st in gpi.Style)
{
if (st is Plot.Styles.LinePlotStyle)
{
linestyle = st as Plot.Styles.LinePlotStyle;
break;
}
}
if (null != linestyle)
{
var path = new System.Drawing.Drawing2D.GraphicsPath();
linestyle.GetFillPath(path, layer, plotdata, CSPlaneID.Bottom);
if ((i + 1) < paintData._clippingColl.Length)
{
paintData._clippingColl[i + 1] = paintData._clippingColl[i].Clone();
paintData._clippingColl[i + 1].Exclude(path);
}
}
else
{
if ((i + 1) < paintData._clippingColl.Length)
{
paintData._clippingColl[i + 1] = paintData._clippingColl[i];
}
}
}
}
}
}
public void PaintPreprocessing(System.Drawing.Graphics g, IPaintContext paintContext, IPlotArea layer, PlotItemCollection coll)
{
var paintData = new CachedPaintData
{
_clippingColl = new System.Drawing.Region[coll.Count],
_plotDataColl = new Processed2DPlotData[coll.Count],
_xincColl = new double[coll.Count],
_yincColl = new double[coll.Count]
};
paintContext.AddValue(this, paintData);
// First prepare
int idx = -1;
Processed2DPlotData previousPlotData = null;
for (int i = 0; i < coll.Count; i++)
{
if (coll[i] is G2DPlotItem)
{
idx++;
double currxinc = paintData._xincColl[i] = idx * _xinc * _scaleXInc;
double curryinc = paintData._yincColl[i] = idx * _yinc * _scaleYInc;
G2DPlotItem gpi = coll[i] as G2DPlotItem;
Processed2DPlotData plotdata = paintData._plotDataColl[i] = gpi.GetRangesAndPoints(layer);
plotdata.PreviousItemData = previousPlotData;
previousPlotData = plotdata;
int j = -1;
foreach (int rowIndex in plotdata.RangeList.OriginalRowIndices())
{
j++;
AltaxoVariant xx = plotdata.GetXPhysical(rowIndex) + currxinc;
AltaxoVariant yy = plotdata.GetYPhysical(rowIndex) + curryinc;
Logical3D rel = new Logical3D(layer.XAxis.PhysicalVariantToNormal(xx), layer.YAxis.PhysicalVariantToNormal(yy));
double xabs, yabs;
layer.CoordinateSystem.LogicalToLayerCoordinates(rel, out xabs, out yabs);
plotdata.PlotPointsInAbsoluteLayerCoordinates[j] = new System.Drawing.PointF((float)xabs, (float)yabs);
}
// if clipping is used, we must get a clipping region for every plot item
// and combine the regions from
if (_useClipping)
{
if (i == 0)
paintData._clippingColl[i] = g.Clip;
Plot.Styles.LinePlotStyle linestyle = null;
foreach (Plot.Styles.IG2DPlotStyle st in gpi.Style)
{
if (st is Plot.Styles.LinePlotStyle)
{
linestyle = st as Plot.Styles.LinePlotStyle;
break;
}
}
if (null != linestyle)
{
GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
linestyle.GetFillPath(path, layer, plotdata, CSPlaneID.Bottom);
if ((i + 1) < paintData._clippingColl.Length)
{
paintData._clippingColl[i + 1] = (Region)paintData._clippingColl[i].Clone();
paintData._clippingColl[i + 1].Exclude(path);
}
}
else
{
if ((i + 1) < paintData._clippingColl.Length)
paintData._clippingColl[i + 1] = paintData._clippingColl[i];
}
}
}
}
}
