private void MakeBitmap()
{
if ((ActualWidth < 1) || (ActualHeight < 1))
{
return;
}
if (WbImageData == null)
{
return;
}
_writeableBmp = BitmapFactory.New((int)WbImageData.Width, (int)WbImageData.Height);
RootImage.Source = _writeableBmp;
using (_writeableBmp.GetBitmapContext())
{
XFactor = ActualWidth / WbImageData.BoundingRect.Width();
YFactor = ActualHeight / WbImageData.BoundingRect.Height();
foreach (var plotRectangle in WbImageData.FilledRectangles)
{
_writeableBmp.FillRectangle(
XWindow(plotRectangle.X, WbImageData.BoundingRect.Left),
YWindow(plotRectangle.Y, ActualHeight, WbImageData.BoundingRect.Bottom),
XWindow(plotRectangle.X + plotRectangle.Width, WbImageData.BoundingRect.Left),
YWindow(plotRectangle.Y + plotRectangle.Height, ActualHeight, WbImageData.BoundingRect.Bottom),
plotRectangle.Val
);
}
foreach (var plotRectangle in WbImageData.OpenRectangles)
{
_writeableBmp.DrawRectangle(
XWindow(plotRectangle.X, WbImageData.BoundingRect.Left),
YWindow(plotRectangle.Y, ActualHeight, WbImageData.BoundingRect.Bottom),
XWindow(plotRectangle.X + plotRectangle.Width, WbImageData.BoundingRect.Left),
YWindow(plotRectangle.Y + plotRectangle.Height, ActualHeight, WbImageData.BoundingRect.Bottom),
plotRectangle.Val
);
}
foreach (var plotLine in WbImageData.PlotLines)
{
_writeableBmp.DrawLineAa(
XWindow(plotLine.X1, WbImageData.BoundingRect.Left),
YWindow(plotLine.Y1, ActualHeight, WbImageData.BoundingRect.Bottom),
XWindow(plotLine.X2, WbImageData.BoundingRect.Left),
YWindow(plotLine.Y2, ActualHeight, WbImageData.BoundingRect.Bottom),
plotLine.Val
);
}
foreach (var plotPoint in WbImageData.PlotPoints)
{
_writeableBmp.FillRectangle(
XWindow(plotPoint.X, WbImageData.BoundingRect.Left),
YWindow(plotPoint.Y, ActualHeight, WbImageData.BoundingRect.Bottom),
XWindow(plotPoint.X + 1, WbImageData.BoundingRect.Left),
YWindow(plotPoint.Y + 1, ActualHeight, WbImageData.BoundingRect.Bottom),
plotPoint.Val
);
}
} // Invalidates on exit of using block
}