/*
* This routine is used to invert the hole points, specifically the 'Y' points.
* The html canvas has 0,0 at the upper left and 'Y' goes down. For the holegroup canvas
* we want a 'Y' that goes up, because that's how the holes are overlaid and appear in
* three dimensions, and how we think of them intuitively. To manage this we'll simply flip the
* Y points for the duration of the time that they are being edited and reflip them when its time to save
*/
public void InvertHolePoints()
{
for (int i = 0; i < HoleGroupList.Count; i++)
{
HoleGroup hg = HoleGroupList.GetFrom(i);
for (int j = 0; j < hg.HoleList.Length; j++)
{
/*
* For all hole types the offset Y is inverted
*/
LayoutHole oHole = hg.HoleList[j];
oHole.OffsetY = -oHole.OffsetY;
/*
* For polygon hole types the individual Y's are inverted
*/
if (oHole.HoleType == "poly")
{
BoundaryPolygon oPolygon = BoundaryPolygonList.GetFrom(oHole.HoleTypeIndex);
for (int k = 0; k < oPolygon.PointList.Length; k++)
{
Point3D p = oPolygon.PointList[k];
p.Y = -p.Y;
}
}
}
}
}
//----------------------------------------------------------------------------
private bool TrySelectEllipse(LayoutHole oHole, int ScreenMouseX, int ScreenMouseY)
{
PointF MoveHandle = new PointF(0, 0);
PointF ResizeHandle = new PointF(0, 0);
BoundaryEllipse oEllipse = BoundaryEllipseList.GetFrom(oHole.HoleTypeIndex);
// The move handle is the center
MoveHandle = this.W2S(oHole.OffsetX, oHole.OffsetY);
if (IsHitOnTarget(ScreenMouseX, ScreenMouseY, MoveHandle))
{
CurrentlySelectedHole = oHole;
MostRecentlySelectedHole = oHole;
CurrentlySelectedHandleType = eHandleType.MoveHandle;
return(true);
}
// The resize handle is the lower right corner
ResizeHandle = this.W2S(oHole.OffsetX + oEllipse.Width / 2, oHole.OffsetY + oEllipse.Height / 2);
if (IsHitOnTarget(ScreenMouseX, ScreenMouseY, ResizeHandle))
{
CurrentlySelectedHole = oHole;
MostRecentlySelectedHole = oHole;
CurrentlySelectedHandleType = eHandleType.ResizeHandle;
return(true);
}
return(false);
}
//----------------------------------------------------------------------------
private bool TrySelectRectangle(LayoutHole oHole, int ScreenMouseX, int ScreenMouseY)
{
PointF MoveHandle = new PointF(0, 0);
PointF ResizeHandle = new PointF(0, 0);
BoundaryRectangle oRect = BoundaryRectangleList.GetFrom(oHole.HoleTypeIndex);
// The move handle is the lower left
MoveHandle = this.W2S(oHole.OffsetX, oHole.OffsetY);
if (IsHitOnTarget(ScreenMouseX, ScreenMouseY, MoveHandle))
{
CurrentlySelectedHole = oHole;
MostRecentlySelectedHole = oHole;
CurrentlySelectedHandleType = eHandleType.MoveHandle;
return(true);
}
// The resize handle is the lower right corner
// the position of the handle is based on the zoom
float HandleOffsetX = oRect.Width / this.CurrentZoom;
float HandleOffsetY = oRect.Height / this.CurrentZoom;
ResizeHandle = new PointF(MoveHandle.X + HandleOffsetX, MoveHandle.Y + HandleOffsetY);
if (IsHitOnTarget(ScreenMouseX, ScreenMouseY, ResizeHandle))
{
CurrentlySelectedHole = oHole;
MostRecentlySelectedHole = oHole;
CurrentlySelectedHandleType = eHandleType.ResizeHandle;
return(true);
}
return(false);
}
//------------------------------------------------------
private void DrawShapes_Polygon(LayoutHole oHole, bool IsCurrentHole)
{
BoundaryPolygon bp = BoundaryPolygonList.GetFrom(oHole.HoleTypeIndex);
PointF ScreenOffset = this.W2S(oHole.OffsetX, oHole.OffsetY);
for (int i = 0; i < bp.PointList.Length; i++)
{
int FromIndex = i;
int ToIndex = i + 1;
if (ToIndex == bp.PointList.Length)
{
ToIndex = 0; // Wrap at end
}
Point3D FromPoint = bp.PointList[FromIndex];
float fdx = FromPoint.X / CurrentZoom;
float fdy = FromPoint.Y / CurrentZoom;
Point3D ToPoint = bp.PointList[ToIndex];
float tdx = ToPoint.X / CurrentZoom;
float tdy = ToPoint.Y / CurrentZoom;
PointF ScreenFrom = new PointF(ScreenOffset.X + fdx, ScreenOffset.Y + fdy);
PointF ScreenTo = new PointF(ScreenOffset.X + tdx, ScreenOffset.Y + tdy);
// Draw handles
string color = "rgba(255,0,0,.5)";
if (IsCurrentHole && i == MostRecentlySelectedPolygonVertexIndex)
{
color = "#0000FF";
}
this.DrawCircle(color, 10, ScreenFrom.X, ScreenFrom.Y);
PointF oCenter = EdgeCenter(ScreenFrom, ScreenTo);
// Draw the handle for the edge
color = "rgba(0,255,0,.5)";
if (IsCurrentHole && i == MostRecentlySelectedPolygonEdgeIndex)
{
color = "#0000FF";
}
this.DrawRectangle(color, 10, 10, oCenter.X, oCenter.Y);
// Draw Line
this.DrawLine(ShapeStrokeColor, (float)0.5, ScreenFrom, ScreenTo);
// Draw the move handle
PointF oMove = PolygonCenter(bp);
float mdx = oMove.X / CurrentZoom;
float mdy = oMove.Y / CurrentZoom;
oMove = new PointF(ScreenOffset.X + mdx, ScreenOffset.Y + mdy);
color = IsCurrentHole ? "#0000FF" : "rgba(255,0,0,.5)";
// Draw the move handle
this.DrawCircle(color, 10, oMove.X, oMove.Y);
}
}
public void AddHoleToHoleGroup(HoleGroup hg, LayoutHole oNewHole)
{
#if DOTNET
List <LayoutHole> tmp = new List <LayoutHole>(hg.HoleList);
tmp.Add(oNewHole);
hg.HoleList = tmp.ToArray();
#else
hg.HoleList.push(oNewHole);
#endif
}
// Add a polygon. This is managed with a simplelayout object
public void AddPolygon(int ScreenOffsetX, int ScreenOffsetY, int InitialSides, int Radius)
{
if (MostRecentlySelectedHoleGroup == null)
{
return;
}
BoundaryPolygon oPolygon = new BoundaryPolygon();
oPolygon.PointList = new Point3D[InitialSides];
float Angle = 0;
float AngleDelta = (float)Math.PI * 2 / InitialSides;
for (int i = 0; i < InitialSides; i++)
{
Point3D p = new Point3D();
#if DOTNET
float x = (float)Math.Cos(Angle) * Radius;
float y = (float)Math.Sin(Angle) * Radius;
#else
float x = (float)Math.cos(Angle) * Radius;
float y = (float)Math.sin(Angle) * Radius;
#endif
p.X = x;
p.Y = y;
oPolygon.PointList[i] = p;
Angle += AngleDelta;
}
/*
* Create a hole and boundary polygon object
*/
PointF WorldOffset = this.S2W(ScreenOffsetX, ScreenOffsetY);
LayoutHole oHole = new LayoutHole();
oHole.HoleType = "poly";
oHole.HoleTypeIndex = BoundaryPolygonList.Count;
oHole.OffsetX = WorldOffset.X;
oHole.OffsetY = WorldOffset.Y;
AddHoleToHoleGroup(MostRecentlySelectedHoleGroup, oHole);
CurrentlySelectedHole = oHole;
MostRecentlySelectedHole = oHole;
BoundaryPolygonList.Add(oPolygon);
// trigger redraw
DrawShapes();
}
public void LoadFromJSON(
HoleGroup[] HoleGroupArray,
BoundaryRectangle[] RectangleArray,
BoundaryEllipse[] EllipseArray,
BoundaryPolygon[] PolygonArray)
{
HoleGroupList = new List <HoleGroup>();
for (int i = 0; i < HoleGroupArray.Length; i++)
{
HoleGroup hg = new HoleGroup();
hg.HoleGroupID = HoleGroupArray[i].HoleGroupID;
/*
* When the objects get here in JS the holelist is no longer a list type, its an array type because
* of serialization.
*/
int len = GetHoleListLength(HoleGroupArray[i].HoleList);
for (int j = 0; j < len; j++)
{
LayoutHole oHoleToAdd = HoleGroupArray[i].HoleList[j];
AddHoleToHoleGroup(hg, oHoleToAdd);
}
HoleGroupList.Add(hg);
}
BoundaryRectangleList = new List <BoundaryRectangle>();
for (int i = 0; i < RectangleArray.Length; i++)
{
BoundaryRectangleList.Add(RectangleArray[i]);
}
BoundaryEllipseList = new List <BoundaryEllipse>();
for (int i = 0; i < EllipseArray.Length; i++)
{
BoundaryEllipseList.Add(EllipseArray[i]);
}
BoundaryPolygonList = new List <BoundaryPolygon>();
for (int i = 0; i < PolygonArray.Length; i++)
{
BoundaryPolygonList.Add(PolygonArray[i]);
}
/*
* Now flip all of the Y points so that positive Y values go 'up'
*/
InvertHolePoints();
}
public void DuplicateCurrentHole()
{
if (MostRecentlySelectedHole == null)
{
return;
}
LayoutHole oHole = LayoutHole.CopyFrom(MostRecentlySelectedHole);
// Add at an offset so it will be easy to see
oHole.OffsetX += 10;
oHole.OffsetY += 10;
// Create a new version of the instance of the hole
int ndx = MostRecentlySelectedHole.HoleTypeIndex;
switch (MostRecentlySelectedHole.HoleType)
{
case "ell":
oHole.HoleTypeIndex = BoundaryEllipseList.Count;
BoundaryEllipse e = BoundaryEllipseList.GetFrom(ndx);
BoundaryEllipseList.Add(BoundaryEllipse.CopyFrom(e));
break;
case "rect":
oHole.HoleTypeIndex = BoundaryRectangleList.Count;
BoundaryRectangle r = BoundaryRectangleList.GetFrom(ndx);
BoundaryRectangleList.Add(BoundaryRectangle.CopyFrom(r));
break;
case "poly":
oHole.HoleTypeIndex = BoundaryPolygonList.Count;
BoundaryPolygon p = BoundaryPolygonList.GetFrom(ndx);
BoundaryPolygonList.Add(BoundaryPolygon.CopyFrom(p));
break;
}
// Add the new hole to the hole group
AddHoleToHoleGroup(MostRecentlySelectedHoleGroup, oHole);
// trigger a repaint
DrawShapes();
}
public void AddEllipse(int ScreenOffsetX, int ScreenOffsetY, int Width, int Height)
{
if (MostRecentlySelectedHoleGroup == null)
{
return;
}
PointF WorldOffset = this.S2W(ScreenOffsetX, ScreenOffsetY);
LayoutHole oHole = new LayoutHole();
oHole.HoleType = "ell";
oHole.OffsetX = WorldOffset.X;
oHole.OffsetY = WorldOffset.Y;
/*
* Save this as the current and most recently selected
* The most recently selected is used for commands after the mouse is up
*/
CurrentlySelectedHole = oHole;
MostRecentlySelectedHole = oHole;
/*
* The index is the at the end of the current list. This means we will have to manage the index values
* when they are deleted
*/
oHole.HoleTypeIndex = BoundaryEllipseList.Count;
AddHoleToHoleGroup(MostRecentlySelectedHoleGroup, oHole);
/*
* Now create and add the ellipse
*/
BoundaryEllipse ell = new BoundaryEllipse();
ell.Width = Width;
ell.Height = Height;
BoundaryEllipseList.Add(ell);
// trigger redraw
DrawShapes();
}
public void AddRectangle(int ScreenOffsetX, int ScreenOffsetY, int Width, int Height)
{
if (MostRecentlySelectedHoleGroup == null)
{
return;
}
PointF WorldOffset = this.S2W(ScreenOffsetX, ScreenOffsetY);
LayoutHole oHole = new LayoutHole();
oHole.HoleType = "rect";
oHole.OffsetX = WorldOffset.X;
oHole.OffsetY = WorldOffset.Y;
/*
* Save this as the current and most recently selected
*/
CurrentlySelectedHole = oHole;
MostRecentlySelectedHole = oHole;
/*
* The index is the at the end of the current list. This means we will have to manage the index values
* when they are deleted
*/
oHole.HoleTypeIndex = BoundaryRectangleList.Count;
AddHoleToHoleGroup(MostRecentlySelectedHoleGroup, oHole);
/*
* Now create and add the rectangle
*/
BoundaryRectangle rect = new BoundaryRectangle();
rect.Width = Width;
rect.Height = Height;
BoundaryRectangleList.Add(rect);
// trigger draw shapes
DrawShapes();
}
//-------------------------------------------------------
private void DrawShapes_Ellipse(LayoutHole oHole, bool IsCurrentHole)
{
BoundaryEllipse oEllipse = BoundaryEllipseList.GetFrom(oHole.HoleTypeIndex);
PointF Screen = this.W2S(oHole.OffsetX, oHole.OffsetY);
float SWidth = oEllipse.Width / CurrentZoom;
float SHeight = oEllipse.Height / CurrentZoom;
string color = IsCurrentHole ? "#0000FF" : "rgba(255,0,0,.5)";
// Draw the move handle
this.DrawCircle(color, 10, Screen.X, Screen.Y);
// draw the actual ellipse
this.DrawEllipse(ShapeStrokeColor, SWidth, SHeight, Screen.X, Screen.Y);
// draw the resize handle
this.DrawRectangle("rgba(0,255,0,.5)", 10, 10, Screen.X + SWidth / 2, Screen.Y + SHeight / 2);
}
/// <summary>
/// Find the edge that's closest to the mouse X,Y
/// </summary>
/// <param name="ScreenMouseX"></param>
/// <param name="ScreenMouseY"></param>
/// <returns></returns>
///
public bool TryHoleSelect(int ScreenMouseX, int ScreenMouseY)
{
if (MostRecentlySelectedHoleGroup == null)
{
return(false);
}
for (int i = 0; i < GetHoleListLength(MostRecentlySelectedHoleGroup.HoleList); i++)
{
LayoutHole oHole = MostRecentlySelectedHoleGroup.HoleList[i];
PointF MoveHandle = new PointF(0, 0);
PointF ResizeHandle = new PointF(0, 0);
switch (oHole.HoleType)
{
case "rect":
if (TrySelectRectangle(oHole, ScreenMouseX, ScreenMouseY))
{
return(true);
}
break;
case "poly":
if (TrySelectPolygon(oHole, ScreenMouseX, ScreenMouseY))
{
return(true);
}
break;
case "ell":
if (TrySelectEllipse(oHole, ScreenMouseX, ScreenMouseY))
{
return(true);
}
break;
}
}
return(false);
}
//-------------------------------------------------------
private void DrawShapes_Rectangle(LayoutHole oHole, bool IsCurrentHole)
{
BoundaryRectangle oRect = BoundaryRectangleList.GetFrom(oHole.HoleTypeIndex);
PointF Screen = this.W2S(oHole.OffsetX, oHole.OffsetY);
string color = IsCurrentHole ? "#0000FF" : "#ff0000";
// Draw the move handle
this.DrawCircle(color, HandleSize, Screen.X, Screen.Y);
// Adjust the width and height for zoom
float SWidth = oRect.Width / CurrentZoom;
float SHeight = oRect.Height / CurrentZoom;
// Draw the rectangle as a set of lines so we can control how its positioned. The offset is the lower left
color = ShapeStrokeColor;
// The offset is to the lower left
PointF LowerLeft = Screen;
PointF LowerRight = new PointF(LowerLeft.X + SWidth, LowerLeft.Y);
this.DrawLine(color, 1, LowerLeft, LowerRight);
PointF UpperRight = new PointF(LowerLeft.X + SWidth, LowerLeft.Y + SHeight);
this.DrawLine(color, 1, LowerRight, UpperRight);
PointF UpperLeft = new PointF(LowerLeft.X, LowerLeft.Y + SHeight);
this.DrawLine(color, 1, UpperRight, UpperLeft);
// Last line
this.DrawLine(color, 1, UpperLeft, LowerLeft);
// draw the resize handle
this.DrawRectangle("#00FF00", HandleSize, HandleSize, Screen.X + SWidth, Screen.Y + SHeight - HandleSize);
}
public void DeleteCurrentHole()
{
if (MostRecentlySelectedHole == null)
{
return;
}
int IndexToDelete = -1;
switch (MostRecentlySelectedHole.HoleType)
{
case "ell":
// Delete this index
// Find all references to hole values greater than this one and reduce them by one so the indices are correct
IndexToDelete = -1;
for (int i = 0; i < GetHoleListLength(MostRecentlySelectedHoleGroup.HoleList); i++)
{
LayoutHole oHole = MostRecentlySelectedHoleGroup.HoleList[i];
if (MostRecentlySelectedHole == oHole)
{
IndexToDelete = i;
}
if (oHole.HoleType == "ell" && oHole.HoleTypeIndex > MostRecentlySelectedHole.HoleTypeIndex)
{
oHole.HoleTypeIndex--;
}
}
// Delete this hole
RemoveHoleFromHoleGroup(MostRecentlySelectedHoleGroup, IndexToDelete);
// Delete this shape
BoundaryEllipseList.RemoveAt(MostRecentlySelectedHole.HoleTypeIndex);
break;
case "rect":
// Delete this index
// Find all references to hole values greater than this one and reduce them by one so the indices are correct
IndexToDelete = -1;
for (int i = 0; i < GetHoleListLength(MostRecentlySelectedHoleGroup.HoleList); i++)
{
LayoutHole oHole = MostRecentlySelectedHoleGroup.HoleList[i];
if (MostRecentlySelectedHole == oHole)
{
IndexToDelete = i;
}
if (oHole.HoleType == "rect" && oHole.HoleTypeIndex > MostRecentlySelectedHole.HoleTypeIndex)
{
oHole.HoleTypeIndex--;
}
}
// Delete this hole
RemoveHoleFromHoleGroup(MostRecentlySelectedHoleGroup, IndexToDelete);
// Delete this shape
BoundaryRectangleList.RemoveAt(MostRecentlySelectedHole.HoleTypeIndex);
break;
case "poly":
// Find all references to hole values greater than this one and reduce them by one so the indices are correct
IndexToDelete = -1;
for (int i = 0; i < GetHoleListLength(MostRecentlySelectedHoleGroup.HoleList); i++)
{
LayoutHole oHole = MostRecentlySelectedHoleGroup.HoleList[i];
if (MostRecentlySelectedHole == oHole)
{
IndexToDelete = i;
}
if (oHole.HoleType == "poly" && oHole.HoleTypeIndex > MostRecentlySelectedHole.HoleTypeIndex)
{
oHole.HoleTypeIndex--;
}
}
// Delete this hole
RemoveHoleFromHoleGroup(MostRecentlySelectedHoleGroup, IndexToDelete);
// Delete this shape
BoundaryPolygonList.RemoveAt(MostRecentlySelectedHole.HoleTypeIndex);
break;
}
// trigger a repaint
DrawShapes();
}
//--------------------------------------------------------------------------
/*
* A Polygon can be selected in any of these ways:
* 1. A vertex can be selected, which makes it the active vertex
* 2. An edge can be selected, which makes it the active edge
* 3. The move handle can be selected. The move handle is generated as the average of the points of the polygon
*/
private bool TrySelectPolygon(LayoutHole oHole, int ScreenMouseX, int ScreenMouseY)
{
PointF MoveHandle = new PointF(0, 0);
float dx;
float dy;
BoundaryPolygon oPolygon = BoundaryPolygonList.GetFrom(oHole.HoleTypeIndex);
PointF ScreenOffset = this.W2S(oHole.OffsetX, oHole.OffsetY);
/*
* See if this is one of the vertices
*/
for (int i = 0; i < oPolygon.PointList.Length; i++)
{
Point3D p = oPolygon.PointList[i];
dx = p.X / CurrentZoom;
dy = p.Y / CurrentZoom;
PointF Target = new PointF(ScreenOffset.X + dx, ScreenOffset.Y + dy);
if (IsHitOnTarget(ScreenMouseX, ScreenMouseY, Target))
{
CurrentlySelectedHole = oHole;
// Most recently selected is used for commands that happen after the mouse is up
MostRecentlySelectedHole = oHole;
CurrentlySelectedHandleType = eHandleType.VertexHandle;
CurrentlySelectedPolygonVertexIndex = i;
// The most recently used is for commands that happen after the mouse is up
MostRecentlySelectedPolygonVertexIndex = i;
return(true);
}
}
/*
* See if this is one of the edges
*/
for (int i = 0; i < oPolygon.PointList.Length; i++)
{
int FromIndex = i;
int ToIndex = i + 1;
if (ToIndex == oPolygon.PointList.Length)
{
ToIndex = 0;
}
Point3D FromPoint = oPolygon.PointList[FromIndex];
dx = FromPoint.X / CurrentZoom;
dy = FromPoint.Y / CurrentZoom;
PointF pFrom = new PointF(ScreenOffset.X + dx, ScreenOffset.Y + dy);
Point3D ToPoint = oPolygon.PointList[ToIndex];
dx = ToPoint.X / CurrentZoom;
dy = ToPoint.Y / CurrentZoom;
PointF pTo = new PointF(ScreenOffset.X + dx, ScreenOffset.Y + dy);
PointF Target = EdgeCenter(pFrom, pTo);
if (IsHitOnTarget(ScreenMouseX, ScreenMouseY, Target))
{
CurrentlySelectedHole = oHole;
// Most recently selected is used for commands that happen after the mouse is up
MostRecentlySelectedHole = oHole;
CurrentlySelectedHandleType = eHandleType.EdgeHandle;
CurrentlySelectedPolygonEdgeIndex = i;
// The most recently used is for commands that happen after the mouse is up
MostRecentlySelectedPolygonEdgeIndex = i;
return(true);
}
}
/*
* See if this is the move handle at the center of the polygon
*/
PointF pCenter = PolygonCenter(oPolygon);
dx = pCenter.X / CurrentZoom;
dy = pCenter.Y / CurrentZoom;
pCenter = new PointF(ScreenOffset.X + dx, ScreenOffset.Y + dy);
if (IsHitOnTarget(ScreenMouseX, ScreenMouseY, pCenter))
{
CurrentlySelectedHole = oHole;
// Most recently selected is used for commands that happen after the mouse is up
MostRecentlySelectedHole = oHole;
CurrentlySelectedHandleType = eHandleType.MoveHandle;
return(true);
}
return(false);
}
// ---------------------------------------------------
public override void DrawShapes()
{
#if DOTNET
// The model for .net is to invalidate and let the paint handler draw.
if (oGraphics == null && DrawPrimitives == null)
{
return;
}
#else
#endif
bool bIsCurrentHole = false;
if (SubControl == 0)
{
this.Clear("#FFFFFF");
DrawGrid();
DrawAxis();
}
/*
* If specified draw in a shaded area that represents the current edge having holes designed for it
*/
if (ShadeHeight > 0 && ShadeLength > 0)
{
PointF LowerLeft = this.W2S(0, 0);
PointF LowerRight = this.W2S(ShadeLength, 0);
PointF UpperRight = this.W2S(ShadeLength, -ShadeHeight);
PointF UpperLeft = this.W2S(0, -ShadeHeight);
this.DrawLine("rgba(100,100,150,.7", 1, LowerLeft, LowerRight);
this.DrawLine("rgba(100,100,150,.7", 1, LowerRight, UpperRight);
this.DrawLine("rgba(100,100,150,.7", 1, UpperRight, UpperLeft);
this.DrawLine("rgba(100,100,150,.7", 1, UpperLeft, LowerLeft);
}
if (this.MostRecentlySelectedHoleGroup == null)
{
return;
}
#if DOTNET
int len = MostRecentlySelectedHoleGroup.HoleList.Length;
#else
int len = MostRecentlySelectedHoleGroup.HoleList.length;
#endif
for (int i = 0; i < len; i++)
{
LayoutHole oHole = MostRecentlySelectedHoleGroup.HoleList[i];
PointF Screen = this.W2S(oHole.OffsetX, oHole.OffsetY);
bIsCurrentHole = oHole == MostRecentlySelectedHole;
switch (oHole.HoleType)
{
case "rect":
DrawShapes_Rectangle(oHole, bIsCurrentHole);
break;
case "poly":
DrawShapes_Polygon(oHole, bIsCurrentHole);
break;
case "ell":
DrawShapes_Ellipse(oHole, bIsCurrentHole);
break;
}
}
}