/// <summary>
/// Paint the density image in the layer.
/// </summary>
/// <param name="gfrx">The graphics context painting in.</param>
/// <param name="gl">The layer painting in.</param>
/// <param name="plotObject">The data to plot.</param>
public void Paint(Graphics gfrx, IPlotArea gl, object plotObject) // plots the curve with the choosen style
{
if (!(plotObject is XYZMeshedColumnPlotData))
{
return; // we cannot plot any other than a TwoDimMeshDataAssociation now
}
var myPlotAssociation = (XYZMeshedColumnPlotData)plotObject;
myPlotAssociation.DataTableMatrix.GetWrappers(
gl.XAxis.PhysicalVariantToNormal, // transformation function for row header values
Altaxo.Calc.RMath.IsFinite, // selection functiton for row header values
gl.YAxis.PhysicalVariantToNormal, // transformation function for column header values
Altaxo.Calc.RMath.IsFinite, // selection functiton for column header values
out var matrix,
out var logicalRowHeaderValues,
out var logicalColumnHeaderValues
);
int cols = matrix.ColumnCount;
int rows = matrix.RowCount;
if (cols <= 0 || rows <= 0)
{
return; // we cannot show a picture if one length is zero
}
// there is a need for rebuilding the bitmap only if the data are invalid for some reason
// if the cached image is valid, then test if the conditions hold any longer
switch (_imageType)
{
case CachedImageType.LinearEquidistant:
{
var memento = new ImageTypeEquiLinearMemento(gl);
if (!memento.Equals(_imageConditionMemento))
{
_imageType = CachedImageType.None;
}
}
break;
case CachedImageType.Other:
{
var memento = new ImageTypeOtherMemento(gl);
if (!memento.Equals(_imageConditionMemento))
{
_imageType = CachedImageType.None;
}
}
break;
}
// now build the image
// note that the image type can change during the call of BuildImage
if (_imageType == CachedImageType.None || _cachedImage == null)
{
BuildImage(gfrx, gl, myPlotAssociation, matrix, logicalRowHeaderValues, logicalColumnHeaderValues);
switch (_imageType)
{
case CachedImageType.LinearEquidistant:
_imageConditionMemento = new ImageTypeEquiLinearMemento(gl);
break;
case CachedImageType.Other:
_imageConditionMemento = new ImageTypeOtherMemento(gl);
break;
}
}
// and now draw the image
{
// Three tricks are neccessary to get the bitmap drawn smooth and uniformly:
// Everything other than this will result in distorted image, or soft (unsharp) edges
var graphicsState = gfrx.Save(); // Of course, save the graphics state so we can make our tricks undone afterwards
gfrx.InterpolationMode = InterpolationMode.Default; // Trick1: Set the interpolation mode, whatever it was before, back to default
gfrx.PixelOffsetMode = PixelOffsetMode.Default; // Trick2: Set the PixelOffsetMode, whatever it was before, back to default
switch (_imageType)
{
case CachedImageType.LinearEquidistant:
{
double xOrgRel = logicalRowHeaderValues[0];
double xEndRel = logicalRowHeaderValues[rows - 1];
double yOrgRel = logicalColumnHeaderValues[0];
double yEndRel = logicalColumnHeaderValues[cols - 1];
bool isConvertible = true;
isConvertible &= gl.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(xOrgRel, yEndRel), out var x0, out var y0);
isConvertible &= gl.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(xOrgRel, yOrgRel), out var x1, out var y1);
isConvertible &= gl.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(xEndRel, yEndRel), out var x2, out var y2);
if (isConvertible)
{
if (_clipToLayer)
{
gfrx.Clip = gl.CoordinateSystem.GetRegion();
}
var pts = new PointF[] { new PointF((float)x0, (float)y0), new PointF((float)x2, (float)y2), new PointF((float)x1, (float)y1) };
gfrx.DrawImage(_cachedImage, pts, new RectangleF(0, 0, _cachedImage.Width - 1, _cachedImage.Height - 1), GraphicsUnit.Pixel); // Trick3: Paint both in X and Y direction one pixel less than the source bitmap acually has, this prevents soft edges
}
}
break;
case CachedImageType.Other:
{
gfrx.DrawImage(_cachedImage, 0, 0, (float)gl.Size.X, (float)gl.Size.Y);
}
break;
}
gfrx.Restore(graphicsState);
}
}
/// <summary>
/// Paint the density image in the layer.
/// </summary>
/// <param name="gfrx">The graphics context painting in.</param>
/// <param name="gl">The layer painting in.</param>
/// <param name="plotObject">The data to plot.</param>
public void Paint(Graphics gfrx, IPlotArea gl, object plotObject) // plots the curve with the choosen style
{
if (!(plotObject is XYZMeshedColumnPlotData))
return; // we cannot plot any other than a TwoDimMeshDataAssociation now
XYZMeshedColumnPlotData myPlotAssociation = (XYZMeshedColumnPlotData)plotObject;
IROMatrix matrix;
IROVector logicalRowHeaderValues, logicalColumnHeaderValues;
myPlotAssociation.DataTableMatrix.GetWrappers(
gl.XAxis.PhysicalVariantToNormal, // transformation function for row header values
Altaxo.Calc.RMath.IsFinite, // selection functiton for row header values
gl.YAxis.PhysicalVariantToNormal, // transformation function for column header values
Altaxo.Calc.RMath.IsFinite, // selection functiton for column header values
out matrix,
out logicalRowHeaderValues,
out logicalColumnHeaderValues
);
int cols = matrix.Columns;
int rows = matrix.Rows;
if (cols <= 0 || rows <= 0)
return; // we cannot show a picture if one length is zero
// there is a need for rebuilding the bitmap only if the data are invalid for some reason
// if the cached image is valid, then test if the conditions hold any longer
switch (_imageType)
{
case CachedImageType.LinearEquidistant:
{
ImageTypeEquiLinearMemento memento = new ImageTypeEquiLinearMemento(gl);
if (!memento.Equals(_imageConditionMemento))
this._imageType = CachedImageType.None;
}
break;
case CachedImageType.Other:
{
ImageTypeOtherMemento memento = new ImageTypeOtherMemento(gl);
if (!memento.Equals(_imageConditionMemento))
this._imageType = CachedImageType.None;
}
break;
}
// now build the image
// note that the image type can change during the call of BuildImage
if (_imageType == CachedImageType.None || _cachedImage == null)
{
BuildImage(gfrx, gl, myPlotAssociation, matrix, logicalRowHeaderValues, logicalColumnHeaderValues);
switch (_imageType)
{
case CachedImageType.LinearEquidistant:
_imageConditionMemento = new ImageTypeEquiLinearMemento(gl);
break;
case CachedImageType.Other:
_imageConditionMemento = new ImageTypeOtherMemento(gl);
break;
}
}
// and now draw the image
{
// Three tricks are neccessary to get the bitmap drawn smooth and uniformly:
// Everything other than this will result in distorted image, or soft (unsharp) edges
var graphicsState = gfrx.Save(); // Of course, save the graphics state so we can make our tricks undone afterwards
gfrx.InterpolationMode = InterpolationMode.Default; // Trick1: Set the interpolation mode, whatever it was before, back to default
gfrx.PixelOffsetMode = PixelOffsetMode.Default; // Trick2: Set the PixelOffsetMode, whatever it was before, back to default
switch (_imageType)
{
case CachedImageType.LinearEquidistant:
{
double xOrgRel = logicalRowHeaderValues[0];
double xEndRel = logicalRowHeaderValues[rows - 1];
double yOrgRel = logicalColumnHeaderValues[0];
double yEndRel = logicalColumnHeaderValues[cols - 1];
double x0, y0, x1, y1, x2, y2;
bool isConvertible = true;
isConvertible &= gl.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(xOrgRel, yEndRel), out x0, out y0);
isConvertible &= gl.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(xOrgRel, yOrgRel), out x1, out y1);
isConvertible &= gl.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(xEndRel, yEndRel), out x2, out y2);
if (isConvertible)
{
if (this._clipToLayer)
gfrx.Clip = gl.CoordinateSystem.GetRegion();
var pts = new PointF[] { new PointF((float)x0, (float)y0), new PointF((float)x2, (float)y2), new PointF((float)x1, (float)y1) };
gfrx.DrawImage(_cachedImage, pts, new RectangleF(0, 0, _cachedImage.Width - 1, _cachedImage.Height - 1), GraphicsUnit.Pixel); // Trick3: Paint both in X and Y direction one pixel less than the source bitmap acually has, this prevents soft edges
}
}
break;
case CachedImageType.Other:
{
gfrx.DrawImage(_cachedImage, 0, 0, (float)gl.Size.X, (float)gl.Size.Y);
}
break;
}
gfrx.Restore(graphicsState);
}
}
