public static void Transform(this Teigha.GraphicsSystem.View pView, Point2d startPoint, Point2d endPoint)
{
double dx = endPoint.X - startPoint.X;
double dy = endPoint.Y - startPoint.Y;
Transform(pView, dx, dy);
}
// helper function transforming parameters from screen to world coordinates
public static void Transform(this Teigha.GraphicsSystem.View pView, double x, double y)
{
Vector3d vec = new Vector3d(-x, -y, 0.0);
vec = vec.TransformBy((pView.ScreenMatrix * pView.ProjectionMatrix).Inverse());
pView.Dolly(vec);
}
public void Form1_MouseWheel(object sender, MouseEventArgs e)
{
if (!IsMouseEventNeeded(e.X, e.Y))
{
return;
}
if (helperDevice == null)
{
return;
}
using (Teigha.GraphicsSystem.View pView = helperDevice.ActiveView)
{
// camera position in world coordinates
Point3d pos = pView.Position;
// TransformBy() returns a transformed copy
pos = pos.TransformBy(pView.WorldToDeviceMatrix);
int vx = (int)pos.X;
int vy = (int)pos.Y;
vx = e.X - vx;
vy = e.Y - vy;
// we move point of view to the mouse location, to create an illusion of scrolling in/out there
dolly(pView, -vx, -vy);
// note that we essentially ignore delta value (sign is enough for illustrative purposes)
pView.Zoom(e.Delta > 0 ? 1.0 / 0.9 : 0.9);
dolly(pView, vx, vy);
//
Invalidate();
}
}
// helper function transforming parameters from screen to world coordinates
void dolly(Teigha.GraphicsSystem.View pView, int x, int y)
{
Vector3d vec = new Vector3d(-x, -y, 0.0);
vec = vec.TransformBy((pView.ScreenMatrix * pView.ProjectionMatrix).Inverse());
pView.Dolly(vec);
}
private void Form1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
using (Teigha.GraphicsSystem.View pView = helperDevice.ActiveView)
{
ClearSelection();
selRect = new RectFram(toEyeToWorld(e.X, e.Y));
pView.Add(selRect);
startSelPoint = new Point2d(e.X, e.Y);
Invalidate();
selRect.setValue(toEyeToWorld(e.X + _SelectRegion, e.Y + _SelectRegion));
pView.Select(
new Point2dCollection(new Point2d[] { startSelPoint, new Point2d(e.X + _SelectRegion, e.Y + _SelectRegion) }),
new SR(selected, database.CurrentSpaceId),
startSelPoint.X < e.X
? Teigha.GraphicsSystem.SelectionMode.Window
: Teigha.GraphicsSystem.SelectionMode.Crossing);
pView.Erase(selRect);
selRect = null;
gripManager.updateSelection(selected);
helperDevice.Invalidate();
Invalidate();
}
}
else if (e.Button == MouseButtons.Right)
{
_IsMoving = true;
startSelPoint = new Point2d(e.X, e.Y);
}
}
bool get_layout_extents(Database db, Teigha.GraphicsSystem.View pView, ref BoundBlock3d bbox)
{
BlockTable bt = (BlockTable)db.BlockTableId.GetObject(OpenMode.ForRead);
BlockTableRecord pSpace = (BlockTableRecord)bt[BlockTableRecord.PaperSpace].GetObject(OpenMode.ForRead);
Layout pLayout = (Layout)pSpace.LayoutId.GetObject(OpenMode.ForRead);
Extents3d ext = new Extents3d();
if (pLayout.GetViewports().Count > 0)
{
bool bOverall = true;
foreach (ObjectId id in pLayout.GetViewports())
{
if (bOverall)
{
bOverall = false;
continue;
}
Teigha.DatabaseServices.Viewport pVp = (Teigha.DatabaseServices.Viewport)id.GetObject(OpenMode.ForRead);
}
ext.TransformBy(pView.ViewingMatrix);
bbox.Set(ext.MinPoint, ext.MaxPoint);
}
else
{
ext = pLayout.Extents;
}
bbox.Set(ext.MinPoint, ext.MaxPoint);
return(ext.MinPoint != ext.MaxPoint);
}
void locateGripsAtInt(int x, int y, ref ExGripDataCollection aRes, ExGripDataCollection coll, Point3d ptFirst, Tolerance tol)
{
foreach (ExGripData exgrData in coll)
{
Point3d ptCurrent = exgrData.Point;
if (aRes.Count == 0)
{
// First grip is obtained by comparing
// grip point device position with cursor position.
using (Teigha.GraphicsSystem.View pView = m_pDevice.ActiveView)
{
Point3d ptDC = ptCurrent.TransformBy(pView.WorldToDeviceMatrix);
double dDeltaX = Math.Abs(x - ptDC.X);
double dDeltaY = Math.Abs(y - ptDC.Y);
bool bOk = (dDeltaX <= m_GRIPSIZE) && (dDeltaY <= m_GRIPSIZE);
if (bOk)
{
ptFirst = ptCurrent;
aRes.Add(exgrData);
}
}
}
else
{
if (ptCurrent.IsEqualTo(ptFirst, tol))
{
aRes.Add(exgrData);
}
}
}
}
public Vector3d activeViewDirection()
{
using (Teigha.GraphicsSystem.View pView = m_pDevice.ActiveView)
{
Vector3d vec = pView.Position - pView.Target;
return(vec.GetNormal());
}
}
private Point ToClient(Point3d pt3d)
{
using (Teigha.GraphicsSystem.View pView = helperDevice.ActiveView)
{
Point3d ptDvc = pt3d.TransformBy(pView.WorldToDeviceMatrix);
return(new Point((int)ptDvc.X, (int)ptDvc.Y));
}
}
private void Form1_MouseDown(object sender, MouseEventArgs e)
{
switch (mouseMode)
{
case Mode.Quiescent:
{
if (gripManager.OnMouseDown(e.X, e.Y))
{
mouseMode = Mode.DragDrop;
}
else
{
using (Teigha.GraphicsSystem.View pView = helperDevice.ActiveView)
{
selRect = new RectFram(toEyeToWorld(e.X, e.Y));
pView.Add(selRect);
startSelPoint = new Point2d(e.X, e.Y);
Invalidate();
mouseMode = Mode.Selection;
}
}
break;
}
case Mode.Selection:
{
using (Teigha.GraphicsSystem.View pView = helperDevice.ActiveView)
{
pView.Select(new Point2dCollection(new Point2d[] { startSelPoint, new Point2d(e.X, e.Y) }),
new SR(selected, database.CurrentSpaceId), startSelPoint.X < e.X ? Teigha.GraphicsSystem.SelectionMode.Window : Teigha.GraphicsSystem.SelectionMode.Crossing);
pView.Erase(selRect);
selRect = null;
gripManager.updateSelection(selected);
helperDevice.Invalidate();
Invalidate();
}
mouseMode = Mode.Quiescent;
break;
}
case Mode.DragDrop:
{
using (Teigha.GraphicsSystem.View pView = helperDevice.ActiveView)
{
gripManager.DragFinal(toEyeToWorld(e.X, e.Y), true);
helperDevice.Model.Invalidate(InvalidationHint.kInvalidateAll);
Invalidate();
}
mouseMode = Mode.Quiescent;
break;
}
default:
break;
}
}
private Point3d toEyeToWorld(int x, int y)
{
using (Teigha.GraphicsSystem.View pView = helperDevice.ActiveView)
{
Point3d wcsPt = new Point3d(x, y, 0.0);
wcsPt = wcsPt.TransformBy((pView.ScreenMatrix * pView.ProjectionMatrix).Inverse());
wcsPt = new Point3d(wcsPt.X, wcsPt.Y, 0.0);
using (AbstractViewPE pVpPE = new AbstractViewPE(pView))
{
return(wcsPt.TransformBy(pVpPE.EyeToWorld));
}
}
}
private void Form1_KeyDown(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Escape:
switch (mouseMode)
{
case Mode.DragDrop:
{
using (Teigha.GraphicsSystem.View pView = helperDevice.ActiveView)
{
gripManager.DragFinal(new Point3d(), false);
helperDevice.Model.Invalidate(InvalidationHint.kInvalidateAll);
Invalidate();
}
break;
}
case Mode.Selection:
if (selRect != null)
{
using (Teigha.GraphicsSystem.View pView = helperDevice.ActiveView)
{
pView.Erase(selRect);
selRect = null;
}
}
break;
}
mouseMode = Mode.Quiescent;
foreach (ObjectId id in selected)
{
gripManager.removeEntityGrips(id, true);
}
selected.Clear();
if (helperDevice != null)
{
helperDevice.Invalidate();
}
Invalidate();
break;
case Keys.Oemplus:
break;
case Keys.OemMinus:
break;
}
}
public static void ZoomToExtents(this Database database)
{
using (DBObject dbObj = GetActiveViewportId(database).GetObject(OpenMode.ForWrite))
{
// using protocol extensions we handle PS and MS viewports in the same manner
using (AbstractViewportData viewportData = new AbstractViewportData(dbObj))
{
using (Teigha.GraphicsSystem.View view = viewportData.GsView)
{
// do actual zooming - change GS view
using (AbstractViewPE viewPE = new AbstractViewPE(view))
{
BoundBlock3d boundBlock = new BoundBlock3d();
bool bBboxValid = viewPE.GetViewExtents(boundBlock);
// paper space overall view
if (dbObj is Viewport && ((Viewport)dbObj).Number == 1)
{
if (!bBboxValid || !(boundBlock.GetMinimumPoint().X < boundBlock.GetMaximumPoint().X&& boundBlock.GetMinimumPoint().Y < boundBlock.GetMaximumPoint().Y))
{
bBboxValid = GetLayoutExtents(database, view, ref boundBlock);
}
}
else if (!bBboxValid) // model space viewport
{
bBboxValid = GetLayoutExtents(database, view, ref boundBlock);
}
if (!bBboxValid)
{
// set to somewhat reasonable (e.g. paper size)
if (database.Measurement == MeasurementValue.Metric)
{
boundBlock.Set(Point3d.Origin, new Point3d(297.0, 210.0, 0.0)); // set to papersize ISO A4 (portrait)
}
else
{
boundBlock.Set(Point3d.Origin, new Point3d(11.0, 8.5, 0.0)); // ANSI A (8.50 x 11.00) (landscape)
}
boundBlock.TransformBy(view.ViewingMatrix);
}
viewPE.ZoomExtents(boundBlock);
boundBlock.Dispose();
}
// save changes to database
viewportData.SetView(view);
}
}
}
}
// the same as Editor.ActiveViewportId if ApplicationServices are available
private void zoom_extents_handler(object sender, EventArgs e)
{
using (DBObject pVpObj = Aux.active_viewport_id(database).GetObject(OpenMode.ForWrite))
{
// using protocol extensions we handle PS and MS viewports in the same manner
AbstractViewportData pAVD = new AbstractViewportData(pVpObj);
Teigha.GraphicsSystem.View pView = pAVD.GsView;
// do actual zooming - change GS view
zoom_extents(pView, pVpObj);
// save changes to database
pAVD.SetView(pView);
pAVD.Dispose();
pVpObj.Dispose();
Invalidate();
}
}
public double activeViewUnitSize()
{
Vector3d v;
using (Teigha.GraphicsSystem.View pView = m_pDevice.ActiveView)
{
Point2d ptDim; // getNumPixelsInUnitSquare
{
Extents2d ext = pView.Viewport;
ptDim = new Point2d(Math.Abs(((double)ext.MaxPoint.X - ext.MinPoint.X) / pView.FieldWidth),
Math.Abs(((double)ext.MaxPoint.Y - ext.MinPoint.Y) / pView.FieldHeight));
}
v = new Vector3d(GRIPSIZE / ptDim.X, 0, 0);
v = v.TransformBy(pView.ViewingMatrix);
}
return(v.Length / GRIPSIZE);
}
public static void ZoomMap(Teigha.GraphicsSystem.View pView, Point2d centerPoint, double zoomFactor)
{
// camera position in world coordinates
Point3d pos = pView.Position;
// TransformBy() returns a transformed copy
pos = pos.TransformBy(pView.WorldToDeviceMatrix);
double vx = (int)pos.X;
double vy = (int)pos.Y;
vx = centerPoint.X - vx;
vy = centerPoint.Y - vy;
// we move point of view to the mouse location, to create an illusion of scrolling in/out there
Transform(pView, -vx, -vy);
// note that we essentially ignore delta value (sign is enough for illustrative purposes)
pView.Zoom(zoomFactor);
Transform(pView, vx, vy);
}
private void panel1_MouseMove(object sender, MouseEventArgs e)
{
if (!IsMouseEventNeeded(e.X, e.Y))
{
return;
}
if (_IsMoving)
{
using (Teigha.GraphicsSystem.View pView = helperDevice.ActiveView)
{
int vx = e.X;
int vy = e.Y;
vx = (int)startSelPoint.X - vx;
vy = (int)startSelPoint.Y - vy;
// we move point of view to the mouse location, to create an illusion of scrolling in/out there
dolly(pView, -vx, -vy);
startSelPoint = new Point2d(e.X, e.Y);
Invalidate();
}
}
}
private void ZoomWindow(Point3d pt1, Point3d pt2)
{
using (Teigha.GraphicsSystem.View pView = helperDevice.ActiveView)
{
using (AbstractViewPE pVpPE = new AbstractViewPE(pView))
{
pt1 = pt1.TransformBy(pVpPE.WorldToEye);
pt2 = pt2.TransformBy(pVpPE.WorldToEye);
Vector3d eyeVec = pt2 - pt1;
if (((eyeVec.X < -1E-10) || (eyeVec.X > 1E-10)) && ((eyeVec.Y < -1E-10) || (eyeVec.Y > 1E-10)))
{
Point3d newPos = pt1 + eyeVec / 2.0;
pView.Dolly(newPos.GetAsVector());
double wf = pView.FieldWidth / Math.Abs(eyeVec.X);
double hf = pView.FieldHeight / Math.Abs(eyeVec.Y);
pView.Zoom(wf < hf ? wf : hf);
Invalidate();
}
}
}
}
public static void ZoomToExtents(this Database database)
{
using (DBObject dbObj = GetActiveViewportId(database).GetObject(OpenMode.ForWrite))
{
// using protocol extensions we handle PS and MS viewports in the same manner
using (AbstractViewportData viewportData = new AbstractViewportData(dbObj))
{
using (Teigha.GraphicsSystem.View view = viewportData.GsView)
{
// do actual zooming - change GS view
using (AbstractViewPE viewPE = new AbstractViewPE(view))
{
BoundBlock3d boundBlock = new BoundBlock3d();
bool bBboxValid = viewPE.GetViewExtents(boundBlock);
// paper space overall view
if (dbObj is Viewport viewport && viewport.Number == 1)
{
if (!bBboxValid || !(boundBlock.GetMinimumPoint().X < boundBlock.GetMaximumPoint().X&& boundBlock.GetMinimumPoint().Y < boundBlock.GetMaximumPoint().Y))
{
bBboxValid = GetLayoutExtents(database, view, ref boundBlock);
}
}
void zoom_extents(Teigha.GraphicsSystem.View pView, DBObject pVpObj)
{
// here protocol extension is used again, that provides some helpful functions
using (AbstractViewPE pVpPE = new AbstractViewPE(pView))
{
BoundBlock3d bbox = new BoundBlock3d();
bool bBboxValid = pVpPE.GetViewExtents(bbox);
// paper space overall view
if (pVpObj is Teigha.DatabaseServices.Viewport && ((Teigha.DatabaseServices.Viewport)pVpObj).Number == 1)
{
if (!bBboxValid || !(bbox.GetMinimumPoint().X < bbox.GetMaximumPoint().X&& bbox.GetMinimumPoint().Y < bbox.GetMaximumPoint().Y))
{
bBboxValid = get_layout_extents(database, pView, ref bbox);
}
}
else if (!bBboxValid) // model space viewport
{
bBboxValid = get_layout_extents(database, pView, ref bbox);
}
if (!bBboxValid)
{
// set to somewhat reasonable (e.g. paper size)
if (database.Measurement == MeasurementValue.Metric)
{
bbox.Set(Point3d.Origin, new Point3d(297.0, 210.0, 0.0)); // set to papersize ISO A4 (portrait)
}
else
{
bbox.Set(Point3d.Origin, new Point3d(11.0, 8.5, 0.0)); // ANSI A (8.50 x 11.00) (landscape)
}
bbox.TransformBy(pView.ViewingMatrix);
}
pVpPE.ZoomExtents(bbox);
}
}
public void DragFinal(Point3d ptFinal, bool bOk)
{
if (bOk)
{
using (Teigha.GraphicsSystem.View pView = m_pDevice.ActiveView)
{
foreach (ExGripDrag grDrag in m_aDrags)
{
grDrag.moveEntity(ptFinal);
pView.Erase(grDrag);
grDrag.notifyDragEnded();
updateEntityGrips(grDrag.entityId());
grDrag.uninit();
}
}
}
else
{
foreach (ExGripDrag grDrag in m_aDrags)
{
grDrag.notifyDragAborted();
}
}
m_aDrags.Clear();
if (bOk)
{
updateInvisibleGrips();
}
foreach (ExGripData exgrData in aActiveKeys)
{
exgrData.Status = GripData.DrawType.WarmGrip;
}
aActiveKeys = null;
}
/// <summary>
/// 刷新图纸缓存
/// </summary>
public void RefreshCache()
{
if (_cadControl.Database == null || _cadControl.HelperDevice == null)
{
MessageBox.Show("请添加数据");
return;
}
if (_cadControl.Database.TileMode)
{
try
{
using (Teigha.GraphicsSystem.View pView = _cadControl.HelperDevice.ActiveView)
{
//if (pView.FieldWidth * 2 < (_cadControl.Database.Extmax.X - _cadControl.Database.Extmin.X))
{
using (var mode = _cadControl.HelperDevice.CreateModel())
{
mode.Invalidate(InvalidationHint.kInvalidateViewportCache);
}
//_cadControl.HelperDevice.Model.Invalidate(InvalidationHint.kInvalidateViewportCache);
//_cadControl.HelperDevice.Model.Invalidate(InvalidationHint.kInvalidateAll);
_cadControl.HelperDevice.Update();
}
}
//Invalidate();
}
catch (System.Runtime.InteropServices.SEHException e)
{
MessageBox.Show(string.Format("刷新失败，请重试！，错误信息：{0}", e.ToString()));
}
}
else
{
MessageBox.Show("请设置图纸为‘Model’模式！");
}
}
public bool OnMouseDown(int x, int y)
{
endHover();
ExGripDataCollection aKeys = new ExGripDataCollection();
locateGripsAt(x, y, ref aKeys);
if (aKeys.Count > 0)
{
//if ( bShift ) TODO
{
bool bMakeHot = true;
foreach (KeyValuePair <ObjectId, ExGripDataExt> grData in m_gripDataDict)
{
foreach (ExGripData exgrData in grData.Value.DataArray)
{
if (GripData.DrawType.HotGrip == exgrData.Status)
{
bMakeHot = false;
break;
}
}
foreach (ExGripDataSubent grDatSub in grData.Value.DataSub)
{
foreach (ExGripData exgrData in grDatSub.SubData)
{
if (GripData.DrawType.HotGrip == exgrData.Status)
{
bMakeHot = false;
break;
}
}
if (bMakeHot == false)
{
break;
}
}
if (bMakeHot == false)
{
break;
}
}
if (bMakeHot)
{
foreach (ExGripData exgrData in aKeys)
{
exgrData.Status = GripData.DrawType.HotGrip;
}
}
aActiveKeys = new ExGripDataCollection();
locateGripsByStatus(GripData.DrawType.HotGrip, ref aActiveKeys);
if (aActiveKeys.Count == 0)
{
// Valid situation.
// If trigger grip performed entity modification and returned eGripHotToWarm
// then nothing is to be done cause entity modification will cause reactor to regen grips.
return(false);
}
foreach (ExGripData exgrData in aActiveKeys)
{
exgrData.Status = GripData.DrawType.DragImageGrip;
}
foreach (KeyValuePair <ObjectId, ExGripDataExt> grData in m_gripDataDict)
{
bool bActive = false;
foreach (ExGripData exgrData in grData.Value.DataArray)
{
if (GripData.DrawType.DragImageGrip == exgrData.Status)
{
bActive = true;
m_aDrags.Add(new ExGripDrag(grData.Key, this));
break;
}
}
foreach (ExGripDataSubent grDatSub in grData.Value.DataSub)
{
foreach (ExGripData exgrData in grDatSub.SubData)
{
if (GripData.DrawType.DragImageGrip == exgrData.Status)
{
bActive = true;
m_aDrags.Add(new ExGripDrag(exgrData.SubentPath, this));
break;
}
}
if (bActive == true)
{
break;
}
}
}
using (Teigha.GraphicsSystem.View pView = m_pDevice.ActiveView)
{
foreach (ExGripDrag grDrag in m_aDrags)
{
grDrag.notifyDragStarted();
grDrag.cloneEntity();
pView.Add(grDrag);
}
}
m_ptBasePoint = aKeys[0].Point;
m_ptLastPoint = m_ptBasePoint;
}
}
else
{
return(false);
}
return(true);
}
void PrintPage(object sender, PrintPageEventArgs ev)
{
if (m_pPrinterDevice != null)
{
using (DBObject pVpObj = Aux.active_viewport_id(database).GetObject(OpenMode.ForWrite))
{
using (AbstractViewportData pAV = new AbstractViewportData(pVpObj))
{
Teigha.GraphicsSystem.View pGSView = pAV.GsView;
PrintDocument prDoc = (PrintDocument)sender;
// Get printer paper info
Double dPrinterWidth = ev.PageBounds.Width;
Double dPrinterHeight = ev.PageBounds.Height;
Double dLogPixelX = ev.PageSettings.PrinterResolution.X; //dot per inch
Double dLogPixelY = ev.PageSettings.PrinterResolution.Y; //dot per inch
Double kMmPerInch = 25.4;
Double kMmPerHInch = 0.254;
Double koeffX = dLogPixelX / kMmPerInch;
Double koeffY = dLogPixelY / kMmPerInch;
Layout pLayout = (Layout)m_pPrinterDevice.LayoutId.GetObject(OpenMode.ForRead);
Boolean bScaledToFit = pLayout.UseStandardScale && (StdScaleType.ScaleToFit == pLayout.StdScaleType);
Boolean bCentered = pLayout.PlotCentered;
Boolean bMetric = (pLayout.PlotPaperUnits != PlotPaperUnit.Inches);
Boolean bPrintLW = pLayout.PrintLineweights || pLayout.ShowPlotStyles;
Point2d offsets = pLayout.PlotOrigin; // in mm
Extents2d ex2d = pLayout.PlotPaperMargins;
Double dLeftMargin = ex2d.MinPoint.X; // in mm
Double dRightMargin = ex2d.MaxPoint.X; // in mm
Double dTopMargin = ex2d.MinPoint.Y; // in mm
Double dBottomMargin = ex2d.MaxPoint.Y; // in mm
PlotType plotType = pLayout.PlotType;
PlotRotation plotRotation = pLayout.PlotRotation;
if (plotRotation == PlotRotation.Degrees090 || plotRotation == PlotRotation.Degrees270)
{
plotRotation = (plotRotation == PlotRotation.Degrees090) ? PlotRotation.Degrees270 : PlotRotation.Degrees090;
}
switch (plotRotation)
{
case PlotRotation.Degrees090:
Swap <Double>(dTopMargin, dRightMargin);
Swap <Double>(dBottomMargin, dLeftMargin);
Swap <Double>(dBottomMargin, dTopMargin);
Swap <Double>(dTopMargin, dRightMargin);
offsets = new Point2d(-offsets.X, -offsets.Y);
break;
case PlotRotation.Degrees180:
Swap <Double>(dRightMargin, dLeftMargin);
offsets = new Point2d(-offsets.X, -offsets.Y);
break;
case PlotRotation.Degrees270:
Swap <Double>(dTopMargin, dRightMargin);
Swap <Double>(dBottomMargin, dLeftMargin);
Swap <Double>(dBottomMargin, dTopMargin);
offsets = new Point2d(offsets.X, offsets.Y);
break;
}
// Get scale factor
double factor;
if (pLayout.UseStandardScale)
{
factor = pLayout.StdScale;
}
else
{
CustomScale scale = pLayout.CustomPrintScale;
factor = scale.Numerator / scale.Denominator;
}
// Calculate paper drawable area using margins from layout (in mm).
Double drx1 = (ev.MarginBounds.Left * kMmPerHInch + dLeftMargin); // in mm
Double drx2 = (ev.MarginBounds.Width * kMmPerHInch - dLeftMargin - dRightMargin); // in mm
Double dry1 = (ev.MarginBounds.Top * kMmPerHInch + dTopMargin); // in mm
Double dry2 = (ev.MarginBounds.Height * kMmPerHInch - dTopMargin - dBottomMargin); // in mm
Boolean bType = (plotType == PlotType.Display || plotType == PlotType.Layout);
AbstractViewPE pAbstractViewPE = new AbstractViewPE(bType ? pViewDr : pGSView);
// set LineWeight scale factor for model space
if (bPrintLW && database.TileMode)
{
Teigha.GraphicsSystem.View pTo = m_pPrinterDevice.ViewAt(0);
pTo.LineweightToDcScale = Math.Max(dLogPixelX, dLogPixelY) / kMmPerInch * 0.01;
}
Point3d viewTarget = pAbstractViewPE.Target;
Point3d viewportCenter = pAbstractViewPE.Target; // in plotPaperUnits
Boolean isPerspective = pAbstractViewPE.IsPerspective;
Double viewportH = pAbstractViewPE.FieldHeight; // in plotPaperUnits
Double viewportW = pAbstractViewPE.FieldWidth; // in plotPaperUnits
Vector3d viewDir = pAbstractViewPE.Direction; // in plotPaperUnits
Vector3d upV = pAbstractViewPE.UpVector; // in plotPaperUnits
Matrix3d eyeToWorld = pAbstractViewPE.EyeToWorld;
Matrix3d WorldToeye = pAbstractViewPE.WorldToEye;
Boolean isPlanView = viewDir.GetNormal().Equals(Vector3d.ZAxis);
Point3d oldTarget = viewTarget;
Double fieldWidth = viewportW, fieldHeight = viewportH;
if (plotType == PlotType.Display)
{
viewTarget = viewportCenter;
fieldWidth = viewportW;
fieldHeight = viewportH;
}
else if (plotType == PlotType.Extents || (plotType == PlotType.Limits && !isPlanView))
{
BoundBlock3d extents = new BoundBlock3d();
if (pAbstractViewPE.GetViewExtents(extents)) // pIter also skip 'off layers'
{
extents.TransformBy(eyeToWorld);
viewTarget = (extents.GetMinimumPoint() + extents.GetMaximumPoint().GetAsVector()) / 2.0;
extents.TransformBy(WorldToeye);
fieldWidth = Math.Abs(extents.GetMaximumPoint().X - extents.GetMinimumPoint().X);
fieldHeight = Math.Abs(extents.GetMaximumPoint().Y - extents.GetMinimumPoint().Y);
}
}
else if (plotType == PlotType.View)
{
viewTarget = viewportCenter;
fieldWidth = viewportW;
fieldHeight = viewportH;
}
else if (plotType == PlotType.Limits)
{
fieldWidth = (drx2 - drx1) / factor; // drx in mm -> fieldWidth in mm
fieldHeight = (dry2 - dry1) / factor;
viewTarget = new Point3d(fieldWidth / 2.0 - offsets.X / factor, fieldHeight / 2.0 - offsets.Y / factor, 0); // in mm
if (!bMetric)
{
viewTarget /= kMmPerInch; // must be in plotpaper units
fieldWidth /= kMmPerInch;
fieldHeight /= kMmPerInch;
}
bCentered = bScaledToFit = false; // kLayout doesn't support pIter.
}
if (plotType != PlotType.View)
{
viewTarget = viewTarget.OrthoProject(new Plane(oldTarget, viewDir));
}
pGSView.SetView(viewTarget + viewDir, viewTarget, upV, fieldWidth, fieldHeight, isPerspective ? Teigha.GraphicsSystem.Projection.Perspective : Teigha.GraphicsSystem.Projection.Parallel);
if (!bMetric)
{
fieldWidth *= kMmPerInch;
fieldHeight *= kMmPerInch;
}
if (bScaledToFit)
{
factor = Math.Min((drx2 - drx1) / fieldWidth, (dry2 - dry1) / fieldHeight);
}
if (bCentered) // Offset also can be incorectly saved.
{
offsets = new Point2d(((drx2 - drx1) - fieldWidth * factor) / 2.0,
((dry2 - dry1) - fieldHeight * factor) / 2.0);
if (plotRotation == PlotRotation.Degrees090 || plotRotation == PlotRotation.Degrees180)
{
offsets = new Point2d(-offsets.X, -offsets.Y);
}
}
pGSView.Viewport = new Extents2d(0, 0, 1, 1);
// Calculate viewport rect in printer units
//int x1 = (int)((offsets.X + drx1) * koeffX);
//int x2 = (int)((offsets.X + drx2) * koeffX);
//int y1 = (int)((-offsets.Y + dry1) * koeffY);
//int y2 = (int)((-offsets.Y + dry2) * koeffY);
int x1 = (int)(drx1 * koeffX);
int x2 = (int)(drx2 * koeffX);
int y1 = (int)(dry1 * koeffY);
int y2 = (int)(dry2 * koeffY);
Rectangle viewportRect = new Rectangle(x1, y1, x2, y2);
m_pPrinterDevice.OnSize(viewportRect);
if (m_pPrinterDevice.UnderlyingDevice.Properties.Contains("WindowHDC"))
{
m_pPrinterDevice.UnderlyingDevice.Properties.AtPut("WindowHDC", new RxVariant((Int32)ev.Graphics.GetHdc()));
}
m_pPrinterDevice.Update();
pAbstractViewPE.Dispose();
pLayout.Dispose();
}
}
}
}
public void Print(Database db, Teigha.GraphicsSystem.View pView, bool bPreview)
{
database = db;
pViewDr = pView;
ObjectId idLayout = database.CurrentSpaceId;
using (BlockTableRecord btr = (BlockTableRecord)database.CurrentSpaceId.GetObject(OpenMode.ForRead))
{
using (Layout pLayout = (Layout)btr.LayoutId.GetObject(OpenMode.ForRead))
{
PrintDocument prDoc = new PrintDocument();
prDoc.PrintPage += new PrintPageEventHandler(this.PrintPage);
prDoc.PrinterSettings.PrinterName = pLayout.PlotConfigurationName;
PageSettings pageSetting = prDoc.DefaultPageSettings;
PlotRotation rotation = pLayout.PlotRotation;
if (rotation == PlotRotation.Degrees090 || rotation == PlotRotation.Degrees270)
{
pageSetting.Landscape = true;
}
else
{
pageSetting.Landscape = false;
}
Double kMmPerInch = 10 / 2.54;
Point2d ptPaperSize = pLayout.PlotPaperSize;
PaperSize ps = new PaperSize(pLayout.CanonicalMediaName, (int)(ptPaperSize.X * kMmPerInch), (int)(ptPaperSize.Y * kMmPerInch));
pageSetting.PaperSize = ps;
//default as OdaMfc
pageSetting.Margins.Left = 0;
pageSetting.Margins.Right = 0;
pageSetting.Margins.Top = 0;
pageSetting.Margins.Bottom = 0;
prDoc.DefaultPageSettings = pageSetting;
if (prDoc.PrinterSettings.IsValid)
{
try
{ //WinGDI, WinOpenGL
using (GsModule gsModule = (GsModule)SystemObjects.DynamicLinker.LoadModule("WinGDI.txv", false, true))
{
using (Teigha.GraphicsSystem.Device graphichsDevice = gsModule.CreateDevice())
{
using (ContextForDbDatabase ctx = new ContextForDbDatabase(database))
{
ctx.SetPlotGeneration(true);
ctx.UseGsModel = true;
m_pPrinterDevice = LayoutHelperDevice.SetupActiveLayoutViews(graphichsDevice, ctx);
m_pPrinterDevice.BackgroundColor = Color.FromArgb(0, 255, 255, 255);
m_pPrinterDevice.SetLogicalPalette(Device.LightPalette);
Aux.preparePlotstyles(database, ctx);
}
}
}
}
catch (System.Exception ex)
{
MessageBox.Show(ex.ToString());
}
if (bPreview)
{
PrintPreviewDialog printPreviewDialog = new PrintPreviewDialog();
printPreviewDialog.Document = prDoc;
printPreviewDialog.ShowDialog();
}
else
{
prDoc.Print();
}
m_pPrinterDevice = null;
database = null;
pViewDr = null;
}
}
}
}
