public void addDxfDrawingEntry(DXFdrawingEntry in_DxfEntry)
{
AllDXFdrawingEntries.Add(in_DxfEntry);
MyDxfBoundingBox obtainedDxfBoundingBox = in_DxfEntry.GetBoundingBox();
if (AllDXFdrawingEntries.Count > 1)
{
currentBoundingBox.XLowerLeft = currentBoundingBox.XLowerLeft < obtainedDxfBoundingBox.XLowerLeft ? currentBoundingBox.XLowerLeft : obtainedDxfBoundingBox.XLowerLeft;
currentBoundingBox.YLowerLeft = currentBoundingBox.YLowerLeft < obtainedDxfBoundingBox.YLowerLeft ? currentBoundingBox.YLowerLeft : obtainedDxfBoundingBox.YLowerLeft;
currentBoundingBox.XUpperRight = currentBoundingBox.XUpperRight > obtainedDxfBoundingBox.XUpperRight ? currentBoundingBox.XUpperRight : obtainedDxfBoundingBox.XUpperRight;
currentBoundingBox.YUpperRight = currentBoundingBox.YUpperRight > obtainedDxfBoundingBox.YUpperRight ? currentBoundingBox.YUpperRight : obtainedDxfBoundingBox.YUpperRight;
}
else
{
currentBoundingBox = obtainedDxfBoundingBox;
}
}
public static void exportCompleteDrawingStructToWMF(string in_pathToWMFFile, double in_scalefactor, DXFRendering.LOGICAL.completeDxfStruct in_dxfStruct)
{
MyDxfBoundingBox theBoundingBox = in_dxfStruct.GetBoundingBox();
double bitmapInitialWidth = Math.Abs(theBoundingBox.XLowerLeft - theBoundingBox.XUpperRight);
double bitmapInitialHeight = Math.Abs(theBoundingBox.YLowerLeft - theBoundingBox.YUpperRight);
//you know, dxf file might not be located at 0; 0 as lower Left. So I apply movement coefficients
double unscaledOffsetX = theBoundingBox.XLowerLeft;
double unscaledOffsetY = theBoundingBox.YLowerLeft;
double newWidthPrescaled = in_scalefactor * bitmapInitialWidth;
double newHeightPrescaled = in_scalefactor * bitmapInitialHeight;
int wdth = (int)Math.Ceiling(newWidthPrescaled) + 1;
int hght = (int)Math.Ceiling(newHeightPrescaled) + 1;
var wmf = new WmfDocument();
wmf.Width = wdth;
wmf.Height = hght;
//https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-wmf/828e1864-7fe7-42d8-ab0a-1de161b32f27
// 1440 ?
wmf.Format.Unit = 288;
wmf.AddCreatePenIndirect(Color.Black, PenStyle.PS_SOLID, 1); //0: generic pen, black
wmf.AddCreatePenIndirect(Color.Red, PenStyle.PS_SOLID, 1); //1: PVC pen, red
wmf.AddCreatePenIndirect(Color.Blue, PenStyle.PS_SOLID, 1); //2: ALU pen, blue
wmf.AddCreatePenIndirect(Color.Yellow, PenStyle.PS_SOLID, 1); //3: EXT Prof pen, yellow
wmf.AddCreatePenIndirect(Color.Orange, PenStyle.PS_SOLID, 1); //4: Thermic bridge pen, orange
int allElementsLength = in_dxfStruct.getSize();
// similar to prepareGraphicalDataStruct
for (int i = 0; i < allElementsLength; i++)
{
DXFRendering.LOGICAL.DXFdrawingEntry someEntry = in_dxfStruct.getItemByIndex(i);
// I use y candidates to perform flipping vertically. It is possible to redirect Y axy, but that WMF entry is barely supported
if (someEntry is DXFRendering.LOGICAL.MyDxfLine)
{
MyDxfLine lineEntry = someEntry as MyDxfLine;
int indx = getindexOfPenByLayerName(lineEntry.layerIdentifier);
if (indx >= 0)
{
wmf.AddSelectObject(indx);
int y1candidate = (int)Math.Ceiling((lineEntry.YStart - unscaledOffsetY) * in_scalefactor);
int y2candidate = (int)Math.Ceiling((lineEntry.YEnd - unscaledOffsetY) * in_scalefactor);
wmf.AddLine(
new Point(
(int)Math.Ceiling((lineEntry.XStart - unscaledOffsetX) * in_scalefactor),
-y1candidate + hght),
new Point(
(int)Math.Ceiling((lineEntry.XEnd - unscaledOffsetX) * in_scalefactor),
-y2candidate + hght)
);
}
}
else if (someEntry is DXFRendering.LOGICAL.MyDxfArc)
{
DXFRendering.LOGICAL.MyDxfArc castArc = someEntry as DXFRendering.LOGICAL.MyDxfArc;
//https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-wmf/742097b4-5879-4c36-b57e-77e7cc152253
int indx = getindexOfPenByLayerName(castArc.layerIdentifier);
if (indx >= 0)
{
wmf.AddSelectObject(indx);
int yRectangleCandidate = (int)Math.Ceiling((castArc.YCenter - castArc.Radius - unscaledOffsetY) * in_scalefactor);
int dimCandidate = (int)Math.Ceiling(2 * castArc.Radius * in_scalefactor);
Rectangle boundRectangle = new Rectangle(
(int)Math.Ceiling((castArc.XCenter - castArc.Radius - unscaledOffsetX) * in_scalefactor),
-yRectangleCandidate + hght - dimCandidate,
dimCandidate,
dimCandidate);
int yPnt1Candidate = (int)Math.Ceiling((castArc.YCenter + castArc.Radius * Math.Sin(castArc.StartAngleRad) - unscaledOffsetY) * in_scalefactor);
Point pnt1 = new Point(
(int)Math.Ceiling((castArc.XCenter + castArc.Radius * Math.Cos(castArc.StartAngleRad) - unscaledOffsetX) * in_scalefactor),
-yPnt1Candidate + hght
);
int yPnt2Candidate = (int)Math.Ceiling((castArc.YCenter + castArc.Radius * Math.Sin(castArc.EndAngleRad) - unscaledOffsetY) * in_scalefactor);
Point pnt2 = new Point(
(int)Math.Ceiling((castArc.XCenter + castArc.Radius * Math.Cos(castArc.EndAngleRad) - unscaledOffsetX) * in_scalefactor),
-yPnt2Candidate + hght
);
wmf.AddArc(boundRectangle, pnt1, pnt2);
/*
* wmf.AddRectangle(boundRectangle);
* wmf.AddSelectObject(3);
* wmf.AddLine(pnt1, pnt2);
*/
}
}
}
wmf.AddDeleteObject(0);
wmf.AddDeleteObject(1);
wmf.AddDeleteObject(2);
wmf.AddDeleteObject(3);
wmf.AddDeleteObject(4);
wmf.Save(in_pathToWMFFile);
}