private void PaintWmf(DGraphics dg)
{
dg.Save();
dg.Clip(Rect);
// store current matrix
DMatrix m = dg.SaveTransform();
// clear gdi objects
WmfGdiObjects.Clear();
// check for placeable key
if (WmfIsPlaceable)
{
bytesRead = 0;
// read placeable header
placeable = GetWmfPlaceable();
// checksum
int sum = 0;
for (int i = 0; i < (Marshal.SizeOf(typeof(Wmf.Placeable)) - 2 /* WmfPlaceable.Checksum is UInt16 */) / 2; i++)
sum = sum ^ BitConverter.ToUInt16(ImageData, i * 2);
if (sum != placeable.Checksum)
System.Diagnostics.Debug.Fail("checksum failed");
// init matrix
WmfUpdateMaxtrix(dg, m);
// read header
header = GetWmfHeader();
// iterate draw commands
bool records = true;
while (records)
{
int bytesReadPlusFuncHeaderSize = bytesRead;
Wmf.FuncHeader fh = GetWmfFuncHeader();
bytesReadPlusFuncHeaderSize += (int)fh.Size * 2;
bool breakme = false;
switch (fh.Function)
{
case Wmf.SaveDC:
break;
case Wmf.CreatePalette:
break;
case Wmf.SetBkMode:
int bkMode = GetInt16();
break;
case Wmf.SetMapMode:
int mapMode = GetInt16();
break;
case Wmf.SetROP2:
break;
case Wmf.SetRelabs:
break;
case Wmf.SetPolyFillMode:
int polyfillMode = GetInt16();
if (polyfillMode == Wmf.PfmAlernate)
fillRule = DFillRule.EvenOdd;
else
fillRule = DFillRule.Winding;
break;
case Wmf.SetStretchBltMode:
break;
case Wmf.DeleteObject:
WmfDeleteGdiObject(GetInt16());
break;
case Wmf.RestoreDC:
break;
case Wmf.SelectObject:
WmfSelectGdiObject(GetInt16());
break;
case Wmf.SetTextAlign:
break;
case Wmf.SetBkColor:
break;
case Wmf.SetTextColor:
break;
case Wmf.SetWindowOrg:
winY = GetInt16();
winX = GetInt16();
WmfUpdateMaxtrix(dg, m);
break;
case Wmf.SetWindowExt:
winHeight = GetInt16();
winWidth = GetInt16();
WmfUpdateMaxtrix(dg, m);
break;
case Wmf.SetViewportOrg:
viewY = GetInt16();
viewX = GetInt16();
//wmfUpdateMaxtrix(dg, m);
break;
case Wmf.SetViewportExt:
viewHeight = GetInt16();
viewWidth = GetInt16();
//wmfUpdateMaxtrix(dg, m);
break;
case Wmf.LineTo:
DPoint pt = GetPoint();
if (StrokeValid)
dg.DrawLine(curPoint, pt, stroke, 1, strokeStyle, strokeWidth, strokeCap);
curPoint = pt;
break;
case Wmf.MoveTo:
curPoint = GetPoint();
break;
case Wmf.SelectPalette:
break;
case Wmf.CreatePenIndirect:
int gdiPenStyle = GetInt16();
int widthX = GetInt16();
int widthY = GetInt16();
DColor penColor = GetColor();
double penWidth = widthX;
WmfApplyTransforms(ref penWidth);
DStrokeStyle penStyle = DStrokeStyle.Solid;
DStrokeCap penCap = DStrokeCap.Round;
DStrokeJoin penJoin = DStrokeJoin.Round;
if ((gdiPenStyle & Wmf.PS_DASHDOTDOT) == Wmf.PS_DASHDOTDOT)
penStyle = DStrokeStyle.DashDotDot;
else if ((gdiPenStyle & Wmf.PS_DASHDOT) == Wmf.PS_DASHDOT)
penStyle = DStrokeStyle.DashDot;
else if ((gdiPenStyle & Wmf.PS_DOT) == Wmf.PS_DOT)
penStyle = DStrokeStyle.Dot;
else if ((gdiPenStyle & Wmf.PS_DASH) == Wmf.PS_DASH)
penStyle = DStrokeStyle.Dash;
else
penStyle = DStrokeStyle.Solid;
if ((gdiPenStyle & Wmf.PS_ENDCAP_FLAT) == Wmf.PS_ENDCAP_FLAT)
penCap = DStrokeCap.Butt;
else if ((gdiPenStyle & Wmf.PS_ENDCAP_SQUARE) == Wmf.PS_ENDCAP_SQUARE)
penCap = DStrokeCap.Square;
else
penCap = DStrokeCap.Round;
if ((gdiPenStyle & Wmf.PS_JOIN_MITER) == Wmf.PS_JOIN_MITER)
penJoin = DStrokeJoin.Mitre;
else if ((gdiPenStyle & Wmf.PS_JOIN_BEVEL) == Wmf.PS_JOIN_BEVEL)
penJoin = DStrokeJoin.Bevel;
else
penJoin = DStrokeJoin.Round;
if ((gdiPenStyle & Wmf.PS_NULL) == Wmf.PS_NULL)
WmfAddGdiObject(new WmfGdiPen(DColor.Empty, penWidth, penStyle, penCap, penJoin));
else
WmfAddGdiObject(new WmfGdiPen(penColor, penWidth, penStyle, penCap, penJoin));
break;
case Wmf.CreateFontIndirect:
WmfAddGdiObject("font");
break;
case Wmf.CreateBrushIndirect:
int brushStyle = GetInt16();
DColor brushColor = GetColor();
int brushHatch = GetInt16();
if ((brushStyle & Wmf.BS_NULL) == Wmf.BS_NULL)
WmfAddGdiObject(new WmfGdiBrush(DColor.Empty));
else
WmfAddGdiObject(new WmfGdiBrush(brushColor));
break;
case Wmf.Polygon:
DPoints polygonPts = GetPolyPoints(GetInt16(), true);
if (FillValid)
dg.FillPolygon(polygonPts, fill, 1, fillRule);
if (StrokeValid)
dg.DrawPolyline(polygonPts, stroke, 1, strokeWidth, strokeStyle, strokeJoin, strokeCap);
break;
case Wmf.Polyline:
DPoints polylinePts = GetPolyPoints(GetInt16(), false);
if (StrokeValid)
dg.DrawPolyline(polylinePts, stroke, 1, strokeWidth, strokeStyle, strokeJoin, strokeCap);
break;
case Wmf.Ellipse:
goto case Wmf.Rectangle;
case Wmf.Rectangle:
DPoint br = GetPoint();
DPoint tl = GetPoint();
if (FillValid)
{
if (fh.Function == Wmf.Rectangle)
dg.FillRect(tl.X, tl.Y, br.X - tl.X, br.Y - tl.Y, fill, 1);
else if (fh.Function == Wmf.Ellipse)
dg.FillEllipse(tl.X, tl.Y, br.X - tl.X, br.Y - tl.Y, fill, 1);
}
if (StrokeValid)
{
if (fh.Function == Wmf.Rectangle)
dg.DrawRect(tl.X, tl.Y, br.X - tl.X, br.Y - tl.Y, stroke, 1, strokeWidth, strokeStyle, strokeJoin);
else if (fh.Function == Wmf.Ellipse)
dg.DrawEllipse(tl.X, tl.Y, br.X - tl.X, br.Y - tl.Y, stroke, 1, strokeWidth, strokeStyle);
}
break;
case Wmf.PolyPolygon:
// find out how many points
int numPolygons = GetInt16();
int[] numPoints = new int[numPolygons];
for (int i = 0; i < numPolygons; i++)
numPoints[i] = GetInt16();
// join polygons together
DPoints polyPolyPoints = new DPoints();
for (int i = 0; i < numPolygons; i++)
foreach (DPoint polyPolyPt in GetPolyPoints(numPoints[i], true))
polyPolyPoints.Add(polyPolyPt);
// draw
if (FillValid)
dg.FillPolygon(polyPolyPoints, fill, 1, fillRule);
if (StrokeValid)
dg.DrawPolyline(polyPolyPoints, stroke, 1, strokeWidth, strokeStyle, strokeJoin, strokeCap);
break;
case Wmf.Escape:
break;
default:
breakme = true;
break;
}
if (bytesRead != bytesReadPlusFuncHeaderSize)
bytesRead = bytesReadPlusFuncHeaderSize;
if (breakme)
break;
}
}
dg.Restore();
}
protected override void PaintBody(DGraphics dg)
{
#if BEHAVIOURS
// select paint properties
DColor Stroke = this.Stroke;
double Alpha = this.Alpha;
if (MouseOver)
{
if (MouseOverBehaviour.SetStroke)
Stroke = MouseOverBehaviour.Stroke;
if (MouseOverBehaviour.SetAlpha)
Alpha = MouseOverBehaviour.Alpha;
}
#endif
// do painting
if (Points != null && Points.Count > 1)
{
if (UseRealAlpha && Alpha != 1 && StrokeWidth > 0 && (StartMarker != DMarker.None || EndMarker != DMarker.None))
{
DPoints smp;
if (StartMarker != DMarker.None)
smp = GetStartMarkerPoints();
else
{
if (Points.Count > 1)
smp = MarkerHelper.MarkerPoints(DMarker.Square, Points[0], Points[1], MarkerSize);
else
smp = new DPoints();
}
DPoints emp;
if (EndMarker != DMarker.None)
emp = GetEndMarkerPoints();
else
{
if (Points.Count > 1)
emp = MarkerHelper.MarkerPoints(DMarker.Square, Points[Points.Count - 1], Points[Points.Count - 2], MarkerSize);
else
emp = new DPoints();
}
DRect R = StrokeHelper.RectIncludingStrokeWidth(GetEncompassingRect(), StrokeWidth)
.Union(smp.Bounds()).Union(emp.Bounds());
dg.StartGroup(X, Y, R.Width, R.Height, X - R.X, Y - R.Y);
dg.DrawPolyline(Points, Stroke, 1, StrokeWidth, StrokeStyle, StrokeJoin, StrokeCap);
if (StartMarker != DMarker.None)
dg.FillPolygon(GetStartMarkerPoints(), Stroke, 1);
if (EndMarker != DMarker.None)
dg.FillPolygon(GetEndMarkerPoints(), Stroke, 1);
dg.DrawGroup(Alpha);
}
else
{
dg.DrawPolyline(Points, Stroke, Alpha, StrokeWidth, StrokeStyle, StrokeJoin, StrokeCap);
if (StartMarker != DMarker.None)
dg.FillPolygon(GetStartMarkerPoints(), Stroke, Alpha);
if (EndMarker != DMarker.None)
dg.FillPolygon(GetEndMarkerPoints(), Stroke, Alpha);
}
}
}
protected virtual void PaintContextHandle(DGraphics dg)
{
if (contextHandle)
{
double hb = _handleBorder * _controlScale;
double hb2 = hb + hb;
DRect r = GetContextHandleRect();
if (hb != 0)
r = r.Resize(hb, hb, -hb2, -hb2);
dg.FillEllipse(r, DColor.White);
dg.DrawEllipse(r.X, r.Y, r.Width, r.Height, DColor.Black, 1, _controlScale, DStrokeStyle.Solid);
double qW = r.Width / 4;
double tH = r.Height / 3;
DPoints pts = new DPoints();
pts.Add(new DPoint(r.X + qW, r.Y + tH));
pts.Add(new DPoint(r.X + qW * 2, r.Y + tH * 2));
pts.Add(new DPoint(r.X + qW * 3, r.Y + tH));
dg.DrawPolyline(pts, DColor.Black);
}
}
protected override void PaintBody(DGraphics dg)
{
#if BEHAVIOURS
// select paint properties
DColor Fill = this.Fill;
DColor Stroke = this.Stroke;
double Alpha = this.Alpha;
if (MouseOver)
{
if (MouseOverBehaviour.SetFill)
Fill = MouseOverBehaviour.Fill;
if (MouseOverBehaviour.SetStroke)
Stroke = MouseOverBehaviour.Stroke;
if (MouseOverBehaviour.SetAlpha)
Alpha = MouseOverBehaviour.Alpha;
}
#endif
// draw
DPoints pts = DrawPoints();
if (UseRealAlpha && Alpha != 1 && StrokeWidth > 0)
{
dg.StartGroup(X, Y, Width + StrokeWidth, Height + StrokeWidth, SwHalf, SwHalf);
dg.FillPolygon(pts, Fill, 1);
dg.DrawPolyline(pts, Stroke, 1, StrokeWidth, StrokeStyle, StrokeJoin, StrokeCap);
dg.DrawGroup(Alpha);
}
else
{
dg.FillPolygon(pts, Fill, Alpha);
dg.DrawPolyline(pts, Stroke, Alpha, StrokeWidth, StrokeStyle, StrokeJoin, StrokeCap);
}
}