private double prescaleKoefficient = 1.10; // we don't want the figure to keep the whole space. The higher is the value the bigger are margins
/// <summary>
/// we calculate here the dimensions which should be set to contain all the geometric entities in drawing panel.
/// By the way, drawing panel can be larger than control, then the scrollbars appear
/// </summary>
private void recalculateRequiredDrawingWidth()
{
double xll = structToRender.GetBoundingBox().XLowerLeft;
double yll = structToRender.GetBoundingBox().YLowerLeft;
double xur = structToRender.GetBoundingBox().XUpperRight;
double yur = structToRender.GetBoundingBox().YUpperRight;
double domainHeight = prescaleKoefficient * Math.Abs(yur - yll);
double domainWidth = prescaleKoefficient * Math.Abs(xll - xur);
requiredCanvasHeight = internalScaleFactor * domainHeight;
requiredCanvasWidth = internalScaleFactor * domainWidth;
}
/// <summary>
/// Setup only INITIAL logical and graphical datastructures.
/// </summary>
/// <param name="in_savedStructureOfDxf">Logical structure of DXF as read from file</param>
public void setupLogicalAndGraphicalDXFstructures(LOGICAL.completeDxfStruct in_savedStructureOfDxf)
{
savedStructureOfDxf = in_savedStructureOfDxf;
//generate primal drawing structure
MyDxfBoundingBox obtainedBox2 = savedStructureOfDxf.GetBoundingBox();
if (obtainedBox2.XLowerLeft != 0)
{
offsetOfDxfHorizontal = 0 - obtainedBox2.XLowerLeft;
}
if (obtainedBox2.YLowerLeft != 0)
{
offsetOfDxfVertical = 0 - obtainedBox2.YLowerLeft;
}
primalDrawingStructure = new CompleteDxfDrawingStruct(null);
int currentSizeOfDxfStruct = savedStructureOfDxf.getSize();
for (int i = 0; i < currentSizeOfDxfStruct; i++)
{
DXFdrawingEntry someEntry = savedStructureOfDxf.getItemByIndex(i);
MyDxfBoundingBox obtainedBox = someEntry.GetBoundingBox();
//offsets to centralize the drawing in the box
Pen usedPen = null;
if ((collectionOfLayerDefinitions != null) && (collectionOfLayerDefinitions.ContainsKey(someEntry.layerIdentifier)))
{
usedPen = collectionOfLayerDefinitions[someEntry.layerIdentifier].Item2;
}
else
{
usedPen = new Pen(Color.Black);
}
if (someEntry is MyDxfLine)
{
MyDxfLine castLine = someEntry as MyDxfLine;
DXFentryForDisplay theLineForDisplay = new MyDxfLineForDisplay(castLine.XStart + offsetOfDxfHorizontal, castLine.YStart + offsetOfDxfVertical, castLine.XEnd + offsetOfDxfHorizontal, castLine.YEnd + offsetOfDxfVertical, usedPen);
primalDrawingStructure.addSingleEntry(theLineForDisplay, obtainedBox.XLowerLeft + offsetOfDxfHorizontal, obtainedBox.YLowerLeft + offsetOfDxfVertical, obtainedBox.XUpperRight + offsetOfDxfHorizontal, obtainedBox.YUpperRight + offsetOfDxfVertical);
}
else if (someEntry is MyDxfArc)
{
MyDxfArc castArc = someEntry as MyDxfArc;
DXFentryForDisplay theArcForDisplay = new MyDxfArcForDisplay(castArc.XCenter + offsetOfDxfHorizontal, castArc.YCenter + offsetOfDxfVertical, castArc.Radius, castArc.StartAngleDegree, castArc.EndAngleDegree, usedPen);
primalDrawingStructure.addSingleEntry(theArcForDisplay, obtainedBox.XLowerLeft + offsetOfDxfHorizontal, obtainedBox.YLowerLeft + offsetOfDxfVertical, obtainedBox.XUpperRight + offsetOfDxfHorizontal, obtainedBox.YUpperRight + offsetOfDxfVertical);
}
}
//performing flip on draw structure is done by means of graphical container
}