public void Paint(DGraphics dg, Figure backgroundFigure, IList<Figure> figures, Figure[] controlFigures)
{
// set antialias value
dg.AntiAlias = AntiAlias;
// draw backround and transform canvas accordind to the pagesize
if (Preview)
dg.Scale(Width / PageSize.X, Height / PageSize.Y); // scale to width & height as this is a preview viewer
else
{
dg.FillRect(0, 0, Width, Height, DColor.LightGray, 1); // gray background
DPoint offset = CanvasOffset();
dg.Translate(offset.X, offset.Y); // center drawing
dg.Scale(scale, scale); // scale canvas
dg.FillRect(SHADOW_OFFSET, SHADOW_OFFSET, PageSize.X, PageSize.Y, DColor.Black, 1); // draw black canvas shadow
}
// paint figures
if (backgroundFigure != null)
{
backgroundFigure.Width = PageSize.X;
backgroundFigure.Height = PageSize.Y;
backgroundFigure.Paint(dg);
}
if (!Preview && Grid > 0)
{
for (int i = 1; i < (PageSize.X / Grid); i++)
dg.DrawLine(new DPoint(i * grid, 0), new DPoint(i * grid, PageSize.Y), DColor.LightGray, 1, DStrokeStyle.Solid, 1, DStrokeCap.Butt);
for (int i = 1; i < (PageSize.Y / Grid); i++)
dg.DrawLine(new DPoint(0, i * grid), new DPoint(PageSize.X, i * grid), DColor.LightGray, 1, DStrokeStyle.Solid, 1, DStrokeCap.Butt);
}
double invScale = 1 / scale;
foreach (Figure figure in figures)
{
figure._controlScale = invScale;
figure.GlyphsVisible = editFigures;
figure.Paint(dg);
}
if (editFigures)
{
foreach (Figure figure in figures)
figure.PaintSelectionChrome(dg);
if (controlFigures != null)
foreach (Figure figure in controlFigures)
{
figure._controlScale = invScale;
figure.Paint(dg);
}
}
}
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 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
// do painting
DRect r = GetClockRect();
const int baseSize = 100;
if (editing)
dg.FillRect(r.X, r.Y, r.Width, r.Height, DColor.Black, 1, DFillStyle.ForwardDiagonalHatch);
dg.FillEllipse(r, Fill, Alpha);
dg.DrawEllipse(r.X, r.Y, r.Width, r.Height, Stroke, Alpha, StrokeWidth, StrokeStyle);
double offset = 0.5 * Width / baseSize;
string[] nums = new string[] { "12", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11" };
string font = "Arial";
double fontSz = 6 * Width / baseSize;
if (fontSz <= 0) fontSz = 6;
for (int i = 0; i < nums.Length; i++)
{
string text = nums[i];
DPoint textPos = TextPoint(r, i);
DPoint textSz = dg.MeasureText(text, font, fontSz);
dg.Save();
dg.Translate(offset, offset);
dg.DrawText(text, font, fontSz, new DPoint(textPos.X - textSz.X / 2, textPos.Y - textSz.Y / 2), DColor.Black, Alpha);
dg.Restore();
dg.DrawText(text, font, fontSz, new DPoint(textPos.X - textSz.X / 2, textPos.Y - textSz.Y / 2), DColor.White, Alpha);
}
double handWidth = 3 * Width / baseSize;
dg.Save();
dg.Translate(offset, offset);
dg.DrawLine(r.Center, FirstHandPoint(r), DColor.Black, Alpha, DStrokeStyle.Solid, handWidth, DStrokeCap.Round);
dg.DrawLine(r.Center, SecondHandPoint(r), DColor.Black, Alpha, DStrokeStyle.Solid, handWidth, DStrokeCap.Round);
dg.Restore();
dg.DrawLine(r.Center, FirstHandPoint(r), DColor.Red, Alpha, DStrokeStyle.Solid, handWidth, DStrokeCap.Round);
dg.DrawLine(r.Center, SecondHandPoint(r), DColor.Blue, Alpha, DStrokeStyle.Solid, handWidth, DStrokeCap.Round);
}
protected override void PaintBody(DGraphics dg)
{
dg.FillRect(X, Y, Width, Height, Fill, Alpha);
base.PaintBody(dg);
}
protected override void PaintBody(DGraphics dg)
{
// paint border
DRect r = Rect;
dg.FillRect(r.X, r.Y, r.Width, r.Height, DColor.Black, 1, DFillStyle.ForwardDiagonalHatch);
dg.FillRect(r.X + border, r.Y + border, r.Width - border - border, r.Height - border - border, DColor.White, 1);
// paint text
double alpha = 1;
if (f is IAlphaBlendable)
{
alpha = ((IAlphaBlendable)f).Alpha;
((IAlphaBlendable)f).Alpha = 1;
}
double rot = f.Rotation;
f.Rotation = 0;
bool flipX = f.FlipX, flipY = f.FlipY;
f.FlipX = false;
f.FlipY = false;
f.Paint(dg);
f.FlipX = flipX;
f.FlipY = flipY;
if (f is IAlphaBlendable)
((IAlphaBlendable)f).Alpha = alpha;
f.Rotation = rot;
// paint text wrap handle
r = TextWrapHandleRect;
if (WrapText)
dg.FillEllipse(r, DColor.White);
else
dg.FillEllipse(r, DColor.LightGray);
dg.DrawEllipse(r, DColor.Black);
// paint selection & cursor
string[] lines = Lines;
DPoint offset = itext.TextOffset;
DPoint pt = f.Rect.TopLeft.Offset(offset.X, offset.Y);
double height = LineHeight(dg, lines);
DPoint cpt = MeasureCursorPosition(lines, height);
DRect[] selRects = MeasureSelectionRects(dg, lines, height);
foreach (DRect sr in selRects)
dg.FillRect(pt.X + sr.X, pt.Y + sr.Y, sr.Width, sr.Height, DColor.LightGray, 0.5);
dg.DrawLine(new DPoint(pt.X + cpt.X, pt.Y + cpt.Y), new DPoint(pt.X + cpt.X, pt.Y + cpt.Y + height), DColor.Black, 1, DStrokeStyle.Solid, 2, DStrokeCap.Butt);
}
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
// do painting
if (UseRealAlpha && Alpha != 1 && StrokeWidth > 0)
{
dg.StartGroup(X, Y, Width + StrokeWidth, Height + StrokeWidth, SwHalf, SwHalf);
dg.FillRect(X, Y, Width, Height, Fill, 1);
dg.DrawRect(X, Y, Width, Height, Stroke, 1, StrokeWidth, StrokeStyle, StrokeJoin);
dg.DrawGroup(Alpha);
}
else
{
dg.FillRect(X, Y, Width, Height, Fill, Alpha);
dg.DrawRect(X, Y, Width, Height, Stroke, Alpha, StrokeWidth, StrokeStyle, StrokeJoin);
}
}