/// <summary>
/// Display sheet, the views it contains, the BIM
/// parts and family instances they display in a
/// temporary form generated on the fly.
/// </summary>
/// <param name="owner">Owner window</param>
/// <param name="caption">Form caption</param>
/// <param name="modal">Modal versus modeless</param>
/// <param name="roomLoops">Sheet and viewport boundary loops</param>
/// <param name="geometryLoopss">Family symbol and part geometry</param>
/// <param name="familyInstances">Family instances</param>
public static Bitmap DisplaySheet(
ElementId sheetId,
JtLoops sheetViewportLoops,
SheetModelCollections modelCollections)
{
// Source rectangle.
JtBoundingBox2dInt bbFrom = sheetViewportLoops
.BoundingBox;
// Adjust target rectangle height to the
// displayee loop height.
int width = _form_width;
int height = (int)(width * bbFrom.AspectRatio + 0.5);
// Specify transformation target rectangle
// including a margin.
int top = 0;
int left = 0;
int bottom = height - (_margin + _margin);
Point[] parallelogramPoints = new Point[] {
new Point(left + _margin, bottom), // upper left
new Point(left + width - _margin, bottom), // upper right
new Point(left + _margin, top + _margin) // lower left
};
// Transform from native loop coordinate system
// (sheet) to target display coordinates form).
Matrix transformSheetBbToForm = new Matrix(
bbFrom.Rectangle, parallelogramPoints);
Bitmap bmp = new Bitmap(width, height);
Graphics graphics = Graphics.FromImage(bmp);
graphics.Clear(System.Drawing.Color.White);
// Display sheet and viewport rectangles.
DrawLoopsOnGraphics(graphics,
sheetViewportLoops.GetGraphicsPathLines(),
transformSheetBbToForm);
// Iterate over the views and display the
// elements for each one appropriately
// scaled and translated to fit.
List <ViewData> views = modelCollections
.ViewsInSheet[sheetId];
Dictionary <ElementId, GeomData> geometryLookup
= modelCollections.Symbols;
Matrix transformBimToViewport;
JtBoundingBox2dInt bbTo;
JtLoop loop;
foreach (ViewData view in views)
{
ElementId vid = view.Id;
if (!modelCollections.BimelsInViews
.ContainsKey(vid))
{
// This is not a floor plan view, so
// we have nothing to display in it.
continue;
}
// Determine transform from model space in mm
// to the viewport associated with this view.
bbFrom = view.BimBoundingBox;
bbTo = view.ViewportBoundingBox;
Debug.Print(view.ToString());
// Adjust target rectangle height to the
// displayee loop height.
//height = (int) ( width * bbFrom.AspectRatio + 0.5 );
// Specify transformation target rectangle
// including a margin, and center the target
// rectangle vertically.
top = bbTo.Min.Y + _margin2;
left = bbTo.Min.X + _margin2;
bottom = bbTo.Max.Y - _margin2;
width = bbTo.Width - (_margin2 + _margin2);
parallelogramPoints = new Point[] {
new Point(left, top), // upper left
new Point(left + width, top), // upper right
new Point(left, bottom) // lower left
};
// Transform from native loop coordinate system
// (sheet) to target display coordinates form).
transformBimToViewport = new Matrix(
bbFrom.Rectangle, parallelogramPoints);
// Retrieve the list of BIM elements
// displayed in this view.
List <ObjData> bimels = modelCollections
.BimelsInViews[vid];
List <Point[]> loops = new List <Point[]>(1);
loops.Add(new Point[] { });
Matrix placement = new Matrix();
foreach (ObjData bimel in bimels)
{
placement.Reset();
InstanceData inst = bimel as InstanceData;
if (null != inst)
{
loop = geometryLookup[inst.Symbol].Loop;
Point2dInt v = inst.Placement.Translation;
placement.Rotate(inst.Placement.Rotation);
placement.Translate(v.X, v.Y, MatrixOrder.Append);
}
else
{
Debug.Assert(bimel is GeomData, "expected part with geometry");
loop = ((GeomData)bimel).Loop;
}
loops[0] = loop.GetGraphicsPathLines();
placement.Multiply(transformBimToViewport, MatrixOrder.Append);
placement.Multiply(transformSheetBbToForm, MatrixOrder.Append);
DrawLoopsOnGraphics(graphics, loops, placement);
}
}
return(bmp);
}
/// <summary>
/// Display room and furniture in a temporary form
/// generated on the fly.
/// </summary>
/// <param name="roomLoops">Room boundary loops</param>
/// <param name="geometryLoops">Family symbol geometry</param>
/// <param name="familyInstances">Family instances</param>
public static Bitmap DisplayRoom(
JtLoops roomLoops,
Dictionary <string, JtLoop> geometryLoops,
List <JtPlacement2dInt> familyInstances)
{
JtBoundingBox2dInt bbFrom = roomLoops.BoundingBox;
// Adjust target rectangle height to the
// displayee loop height.
int width = _form_width;
int height = (int)(width * bbFrom.AspectRatio + 0.5);
//SizeF fsize = new SizeF( width, height );
//SizeF scaling = new SizeF( 1, 1 );
//PointF translation = new PointF( 0, 0 );
//GetTransform( fsize, bbFrom,
// ref scaling, ref translation, true );
//Matrix transform1 = new Matrix(
// new Rectangle(0,0,width,height),
// bbFrom.GetParallelogramPoints());
//transform1.Invert();
// the bounding box fills the rectangle
// perfectly and completely, inverted and
// non-uniformly distorted:
//Point2dInt pmin = bbFrom.Min;
//Rectangle rect = new Rectangle(
// pmin.X, pmin.Y, bbFrom.Width, bbFrom.Height );
//Point[] parallelogramPoints = new Point [] {
// new Point( 0, 0 ), // upper left
// new Point( width, 0 ), // upper right
// new Point( 0, height ) // lower left
//};
// the bounding box fills the rectangle
// perfectly and completely, inverted and
// non-uniformly distorted:
// Specify transformation target rectangle
// including a margin.
int bottom = height - (_margin + _margin);
Point[] parallelogramPoints = new Point[] {
new Point(_margin, bottom), // upper left
new Point(width - _margin, bottom), // upper right
new Point(_margin, _margin) // lower left
};
// Transform from native loop coordinate system
// to target display coordinates.
Matrix transform = new Matrix(
bbFrom.Rectangle, parallelogramPoints);
Bitmap bmp = new Bitmap(width, height);
Graphics graphics = Graphics.FromImage(bmp);
graphics.Clear(System.Drawing.Color.White);
DrawLoopsOnGraphics(graphics,
roomLoops.GetGraphicsPathLines(), transform);
if (null != familyInstances)
{
List <Point[]> loops = new List <Point[]>(1);
loops.Add(new Point[] { });
foreach (JtPlacement2dInt i in familyInstances)
{
Point2dInt v = i.Translation;
Matrix placement = new Matrix();
placement.Rotate(i.Rotation);
placement.Translate(v.X, v.Y, MatrixOrder.Append);
placement.Multiply(transform, MatrixOrder.Append);
loops[0] = geometryLoops[i.SymbolId]
.GetGraphicsPathLines();
DrawLoopsOnGraphics(graphics, loops, placement);
}
}
return(bmp);
}