protected void DrawDragLine(DrawContext dc)
{
if (State != States.DRAGING_POINTS)
{
return;
}
dc.Drawing.DrawLine(dc.GetPen(DrawTools.PEN_DRAG_LINE),
LastDownPoint, dc.DevPointToWorldPoint(CrossCursor.Pos));
}
protected void DrawAccordingState(DrawContext dc)
{
switch (State)
{
case States.SELECT:
break;
case States.START_DRAGING_POINTS:
break;
case States.RUBBER_BAND_SELECT:
DrawSelRect(dc);
break;
case States.DRAGING_POINTS:
break;
case States.START_CREATE:
break;
case States.CREATING:
if (FigureCreator != null)
{
Vector3d p = dc.DevPointToWorldPoint(CrossCursor.Pos);
FigureCreator.DrawTemp(dc, (CadVertex)p, dc.GetPen(DrawTools.PEN_TEMP_FIGURE));
}
break;
case States.MEASURING:
if (MeasureFigureCreator != null)
{
Vector3d p = dc.DevPointToWorldPoint(CrossCursor.Pos);
MeasureFigureCreator.DrawTemp(dc, (CadVertex)p, dc.GetPen(DrawTools.PEN_TEMP_FIGURE));
}
break;
}
if (mInteractCtrl.IsActive)
{
mInteractCtrl.Draw(dc, SnapPoint);
}
}
public void CreateBitmap(int w, int h, uint argb, int lineW, string fname)
{
DrawContext dc = Controller.DC;
CadObjectDB db = Controller.DB;
List <uint> idlist = Controller.DB.GetSelectedFigIDList();
var figList = new List <CadFigure>();
idlist.ForEach(id =>
{
figList.Add(db.GetFigure(id));
});
CadRect r = CadUtil.GetContainsRectScrn(dc, figList);
CadRect wr = default(CadRect);
wr.p0 = dc.DevPointToWorldPoint(r.p0);
wr.p1 = dc.DevPointToWorldPoint(r.p1);
DrawContextGDIBmp tdc = new DrawContextGDIBmp();
tdc.WorldScale = dc.WorldScale;
tdc.SetCamera(dc.Eye, dc.LookAt, dc.UpVector);
tdc.CalcProjectionMatrix();
tdc.SetViewSize(w, h);
tdc.SetViewOrg(new Vector3d(w / 2, h / 2, 0));
tdc.SetupTools(DrawTools.DrawMode.DARK);
Pen pen = new Pen(Color.FromArgb((int)argb), lineW);
DrawPen drawPen = new DrawPen(pen);
double sw = r.p1.X - r.p0.X;
double sh = r.p1.Y - r.p0.Y;
double a = Math.Min(w, h) / (Math.Max(sw, sh) + lineW);
tdc.DeviceScaleX *= a;
tdc.DeviceScaleY *= a;
CadRect tr = CadUtil.GetContainsRectScrn(tdc, figList);
Vector3d trcp = (Vector3d)((tr.p1 - tr.p0) / 2 + tr.p0);
Vector3d d = trcp - tdc.ViewOrg;
tdc.SetViewOrg(tdc.ViewOrg - d);
DrawParams dp = default;
dp.LinePen = drawPen;
dp.EdgePen = drawPen;
Env.RunOnMainThread((Action)(() =>
{
tdc.Drawing.Clear(dc.GetBrush(DrawTools.BRUSH_TRANSPARENT));
tdc.GdiGraphics.SmoothingMode = SmoothingMode.AntiAlias;
foreach (CadFigure fig in figList)
{
fig.Draw(tdc, dp);
}
if (fname.Length > 0)
{
tdc.Image.Save(fname);
}
else
{
BitmapUtil.BitmapToClipboardAsPNG(tdc.Image);
}
tdc.Dispose();
drawPen.Dispose();
}));
}