//=============================================================================
protected override void OnRender(DrawingContext drawingContext)
{
if (drawingContext == null)
{
return;
}
DrawingSheet sheet = this.Sheet;
if (sheet == null)
{
return;
}
// STEP 1.
// Draw sheet content with opacity.
drawingContext.PushOpacity(0.2);
//
int LengthInPixels = Utils.GetWholeNumber(this.ActualWidth); //Utils.GetWholeNumber(cs.GetWidthInPixels(DrawingGlobalSize.Width, Length_X));
int HeightInPixels = Utils.GetWholeNumber(this.ActualHeight); //Utils.GetWholeNumber(cs.GetHeightInPixels(DrawingGlobalSize.Height, Length_Y));
//
ImageCoordinateSystem ics = new ImageCoordinateSystem(LengthInPixels, HeightInPixels, new Vector(0.0, 0.0), new Size(sheet.Length, sheet.Width), 0.0);
DefaultGeomDisplaySettings geomDisplaySettings = new DefaultGeomDisplaySettings();
geomDisplaySettings.DisplayText = false;
//
if (sheet.Rectangles != null)
{
foreach (BaseRectangleGeometry geom in sheet.Rectangles)
{
if (geom == null)
{
continue;
}
// Dont display SheetElevationGeometry, because it has fixed size in pixels
if (geom is SheetElevationGeometry)
{
continue;
}
geom.Draw(drawingContext, ics, geomDisplaySettings);
}
}
// Pop opacity
drawingContext.Pop();
// STEP 2.
// Draw gray sheet border.
Size drawingSize = new Size(sheet.Length, sheet.Width);
Point pt_01 = ics.GetLocalPoint(new Point(0.0, 0.0), sheet.UnitsPerCameraPixel, sheet.GetCameraOffset());
Point pt_02 = ics.GetLocalPoint(new Point(sheet.Length, sheet.Width), sheet.UnitsPerCameraPixel, sheet.GetCameraOffset());
drawingContext.DrawRectangle(null, new Pen(Brushes.Gray, 1.0), new Rect(pt_01, pt_02));
}
//=============================================================================
public override void Draw(DrawingContext dc, ICoordinateSystem cs, IGeomDisplaySettings geomDisplaySettings = null)
{
// STEP 1.
// Draw sheet content with opacity.
DrawingSheet boundSheet = this.BoundSheet;
if (boundSheet != null)
{
dc.PushOpacity(0.3);
//
Point zeroLocalPnt = GetLocalPoint(cs, this.TopLeft_GlobalPoint);
int LengthInPixels = Utils.GetWholeNumber(GetWidthInPixels(cs, Length_X));
int WidthInPixels = Utils.GetWholeNumber(GetHeightInPixels(cs, Length_Y));
dc.PushClip(new RectangleGeometry(new Rect(zeroLocalPnt.X, zeroLocalPnt.Y, LengthInPixels, WidthInPixels)));
//
Vector globalOffsetVec = new Vector(this.TopLeft_GlobalPoint.X, this.TopLeft_GlobalPoint.Y);
double lengthVal = Length_X;
double heightVal = Length_Y;
if ((m_bDontChangeBoundSheetSize || !this.IsInit) && Utils.FGT(m_OldSize.Width, 0.0) && Utils.FGT(m_OldSize.Height, 0.0))
{
lengthVal = m_OldSize.Width;
heightVal = m_OldSize.Height;
}
if (m_bDontChangeBoundSheetSize || !this.IsInit)
{
if (!m_IsCenterGripPointMoving)
{
globalOffsetVec.X = m_OldTopLeftPoint.X;
globalOffsetVec.Y = m_OldTopLeftPoint.Y;
}
globalOffsetVec -= m_AdditionalOffset;
}
int boundSheetLengthInPixels = Utils.GetWholeNumber(GetWidthInPixels(cs, lengthVal));
int boundSheetWidthInPixels = Utils.GetWholeNumber(GetHeightInPixels(cs, heightVal));
Point topLeftScreenPoint = GetLocalPoint(cs, new Point(0.0, 0.0) + globalOffsetVec);
Vector offsetInPixels = topLeftScreenPoint - new Point(0.0, 0.0);
ImageCoordinateSystem ics = new ImageCoordinateSystem(boundSheetLengthInPixels, boundSheetWidthInPixels, offsetInPixels, new Size(boundSheet.Length, boundSheet.Width), 0.0);
//
DefaultGeomDisplaySettings displaySettings = new DefaultGeomDisplaySettings();
displaySettings.DisplayText = false;
//
if (boundSheet.Rectangles != null)
{
foreach (BaseRectangleGeometry geom in boundSheet.Rectangles)
{
if (geom == null)
{
continue;
}
// Dont display SheetElevationGeometry, because it displayed in pixels fixed size
if (geom is SheetElevationGeometry)
{
continue;
}
geom.Draw(dc, ics, displaySettings);
}
}
// Pop clip
dc.Pop();
// Pop opacity
dc.Pop();
}
// STEP 2.
// Draw sheet borders and name.
base.Draw(dc, cs, geomDisplaySettings);
}
