Beispiel #1
0
 DPoint GetWmfSize()
 {
     if (WmfIsPlaceable)
     {
         bytesRead = 0;
         placeable = GetWmfPlaceable();
         header = GetWmfHeader();
         bool records = true;
         while (records)
         {
             int bytesReadPlusFuncHeaderSize = bytesRead;
             Wmf.FuncHeader fh = GetWmfFuncHeader();
             bytesReadPlusFuncHeaderSize += (int)fh.Size * 2;
             switch (fh.Function)
             {
                 case Wmf.SetWindowOrg:
                     winY = GetInt16();
                     winX = GetInt16();
                     break;
                 case Wmf.SetWindowExt:
                     winHeight = GetInt16();
                     winWidth = GetInt16();
                     break;
                 case Wmf.EOF:
                     records = false;
                     // this does not always work too well (there are some wacky values in wmf files)
                     double width = Math.Abs(winWidth);
                     if (winWidth != Math.Round((placeable.Right - placeable.Left) * ((double)PageTools.DpiX / placeable.Inch)))
                         width *= (double)PageTools.DpiX / placeable.Inch;
                     double height = Math.Abs(winHeight);
                     if (winHeight != Math.Round((placeable.Bottom - placeable.Top) * ((double)PageTools.DpiY / placeable.Inch)))
                         height *= (double)PageTools.DpiY / placeable.Inch;
                     return new DPoint(width, height);
             }
             if (bytesRead != bytesReadPlusFuncHeaderSize)
                 bytesRead = bytesReadPlusFuncHeaderSize;
         }
     }
     return new DPoint(0, 0);
 }
Beispiel #2
0
        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();
        }
Beispiel #3
0
        public WmfGraphics(double x1, double y1, double x2, double y2)
        {
            winX = 0;
            winY = 0;
            winWidth = x2 - x1;
            winHeight = y2 - y1;
            // create memory stream
            ms = new MemoryStream();
            // write placeable
            Wmf.Placeable p = new Wmf.Placeable();
            p.Key = Wmf.PlaceableKey;
            p.HWmf = 0;
            p.Left = (ushort)winX;
            p.Top = (ushort)winY;
            p.Right = (ushort)winWidth;
            p.Bottom = (ushort)winHeight;
            p.Inch = 96;
            p.Reserved = 0;
            // checksum
            int sum = 0;
            byte[] cd = RawSerialize(p);
            for (int i = 0; i < (Marshal.SizeOf(typeof(Wmf.Placeable)) - 2 /* WmfPlaceable.Checksum is UInt16 */) / 2; i++)
                sum = sum ^ BitConverter.ToUInt16(cd, i * 2);
            p.Checksum = (ushort)sum;
            byte[] buf = RawSerialize(p);
            ms.Write(buf, 0, buf.Length);
            // write header
            Wmf.Header h = new Wmf.Header();
            h.Type = 0x0002;
            h.HeaderSize = (ushort)(Marshal.SizeOf(typeof(Wmf.Header)) / 2);
            h.Version = 0x0300;
            h.Filesize = 0;     // see SaveToFile
            h.NumOfObjects = 0; // see SaveToFile
            h.MaxRecord = 0;    // see SaveToFile
            h.NumOfMembers = 0; // not used
            buf = RawSerialize(h);
            ms.Write(buf, 0, buf.Length);

            // set window space
            WriteFuncHeader(5, Wmf.SetWindowOrg);
            WriteUShort((ushort)winX);
            WriteUShort((ushort)winY);
            WriteFuncHeader(5, Wmf.SetWindowExt);
            WriteUShort((ushort)winWidth);
            WriteUShort((ushort)winHeight);

            /*
            // draw stuff
            DrawEllipse(2, 2, 96, 96, DColor.Blue, 1, 2, DStrokeStyle.Dot);
            FillRect(10, 10, 80, 80, DColor.Red, 1);
            DrawRect(20, 20, 60, 60, DColor.LightGray, 1, 2, DStrokeStyle.Solid, DStrokeJoin.Bevel);
            DrawEllipse(20, 20, 60, 60, DColor.Blue, 1, 2, DStrokeStyle.DashDotDot);
            DrawLine(new DPoint(15, 50), new DPoint(85, 50), DColor.White, 1, DStrokeStyle.Solid, 1, DStrokeCap.Butt);
            DPoints pts = new DPoints();
            for (int i = 0; i < 50; i += 5)
                for (int j = 0; j < 50; j += 5)
                    pts.Add(new DPoint(i, j + i));
            DrawPolyline(pts, DColor.Black);
            pts.Clear();
            pts.Add(new DPoint(50, 50));
            pts.Add(new DPoint(75, 75));
            pts.Add(new DPoint(50, 75));
            FillPolygon(pts, DColor.Blue, 1);
            */
        }