Beispiel #1
0
        public void TestSmoothQuadraticBezierCurveTo()
        {
            var c        = new SmoothQuadraticBeizerCurveTo(3, 4);
            var offset   = new Point(1, 2);
            var previous = new Point(1, 1);

            // Test Shorthand()
            Assert.AreEqual("T 3,4", c.Shorthand(offset, previous));

            // Test Flip()
            Assert.AreEqual("T 3,-4", c.Flip(false).Shorthand(offset, previous));
            Assert.AreEqual("T -3,4", c.Flip(true).Shorthand(offset, previous));
        }
Beispiel #2
0
        public static void Write(this IPathCommand command, System.IO.BinaryWriter writer)
        {
            switch (command.Type)
            {
            case CommandType.MoveTo:
            {
                MoveTo pCommand = command as MoveTo;
                writer.Write(pCommand.X);
                writer.Write(pCommand.Y);
            }
            break;

            case CommandType.LineTo:
            {
                LineTo pCommand = command as LineTo;
                writer.Write(pCommand.X);
                writer.Write(pCommand.Y);
            }
            break;

            case CommandType.CurveTo:
            {
                CurveTo pCommand = command as CurveTo;
                writer.Write(pCommand.ControlStart);
                writer.Write(pCommand.ControlEnd);
                writer.Write(pCommand.End);
            }
            break;

            case CommandType.SmoothCurveTo:
            {
                SmoothCurveTo pCommand = command as SmoothCurveTo;
                writer.Write(pCommand.ControlEnd);
                writer.Write(pCommand.End);
            }
            break;

            case CommandType.EllipticalArcTo:
            {
                EllipticalArcTo pCommand = command as EllipticalArcTo;
                writer.Write(pCommand.Size.Width);
                writer.Write(pCommand.Size.Height);
                writer.Write(pCommand.End);
                writer.Write(pCommand.RotationAngle);
                writer.Write(pCommand.IsLargeArc);
                writer.Write(pCommand.SweepDirection == SweepDirection.Clockwise);
            }
            break;

            case CommandType.QuadraticBeizerCurveTo:
            {
                QuadraticBeizerCurveTo pCommand = command as QuadraticBeizerCurveTo;
                writer.Write(pCommand.Control);
                writer.Write(pCommand.End);
            }
            break;

            case CommandType.SmoothQuadraticBeizerCurveTo:
            {
                SmoothQuadraticBeizerCurveTo pCommand = command as SmoothQuadraticBeizerCurveTo;
                writer.Write(pCommand.End);
            }
            break;

            case CommandType.ClosePath:
            {
                // Do nothing
            }
            break;
            }
        }
Beispiel #3
0
        public static void Read(this IPathCommand command, System.IO.BinaryReader reader)
        {
            switch (command.Type)
            {
            case CommandType.MoveTo:
            {
                MoveTo pCommand = command as MoveTo;
                pCommand.X = reader.ReadDouble();
                pCommand.Y = reader.ReadDouble();
            }
            break;

            case CommandType.LineTo:
            {
                LineTo pCommand = command as LineTo;
                pCommand.X = reader.ReadDouble();
                pCommand.Y = reader.ReadDouble();
            }
            break;

            case CommandType.CurveTo:
            {
                CurveTo pCommand = command as CurveTo;
                pCommand.ControlStart = reader.ReadPoint();
                pCommand.ControlEnd   = reader.ReadPoint();
                pCommand.End          = reader.ReadPoint();
            }
            break;

            case CommandType.SmoothCurveTo:
            {
                SmoothCurveTo pCommand = command as SmoothCurveTo;
                pCommand.ControlEnd = reader.ReadPoint();
                pCommand.End        = reader.ReadPoint();
            }
            break;

            case CommandType.EllipticalArcTo:
            {
                EllipticalArcTo pCommand = command as EllipticalArcTo;
                pCommand.Size           = new System.Windows.Size(reader.ReadDouble(), reader.ReadDouble());
                pCommand.End            = reader.ReadPoint();
                pCommand.RotationAngle  = reader.ReadDouble();
                pCommand.IsLargeArc     = reader.ReadBoolean();
                pCommand.SweepDirection = (reader.ReadBoolean() == false ? SweepDirection.Counterclockwise : SweepDirection.Clockwise);
            }
            break;

            case CommandType.QuadraticBeizerCurveTo:
            {
                QuadraticBeizerCurveTo pCommand = command as QuadraticBeizerCurveTo;
                pCommand.Control = reader.ReadPoint();
                pCommand.End     = reader.ReadPoint();
            }
            break;

            case CommandType.SmoothQuadraticBeizerCurveTo:
            {
                SmoothQuadraticBeizerCurveTo pCommand = command as SmoothQuadraticBeizerCurveTo;
                pCommand.End = reader.ReadPoint();
            }
            break;

            case CommandType.ClosePath:
            {
                // Do nothing
            }
            break;
            }
        }
Beispiel #4
0
        internal override void Read(System.IO.BinaryReader reader, BinaryReadInfo readInfo)
        {
            uint length = reader.ReadUInt32();

            ID = reader.ReadUInt32();
            uint numSections = reader.ReadUInt32();

            string componentName = null;
            bool   canResize     = false;
            bool   canFlip       = false;
            double minSize       = ComponentHelper.GridSize;
            List <ComponentProperty>          properties          = new List <ComponentProperty>();
            List <ConnectionGroup>            connections         = new List <ConnectionGroup>();
            List <RenderDescription>          renderDescriptions  = new List <RenderDescription>();
            List <Conditional <FlagOptions> > flagOptions         = new List <Conditional <FlagOptions> >();
            ComponentDescriptionMetadata      descriptionMetadata = new ComponentDescriptionMetadata();
            uint?iconResourceId = null;

            for (uint sectionCounter = 0; sectionCounter < numSections; sectionCounter++)
            {
                ushort sectionType   = reader.ReadUInt16();
                uint   sectionLength = reader.ReadUInt32();

                #region Metadata
                if (sectionType == (uint)BinaryConstants.ComponentSectionType.Metadata)
                {
                    componentName              = reader.ReadString();
                    canResize                  = reader.ReadBoolean();
                    canFlip                    = reader.ReadBoolean();
                    minSize                    = reader.ReadDouble();
                    descriptionMetadata.Type   = String.Format("Binary r{0} (*.cdcom)", readInfo.FormatVersion);
                    descriptionMetadata.GUID   = new Guid(reader.ReadBytes(16));
                    descriptionMetadata.Author = reader.ReadString();
                    if (readInfo.IsSignatureValid && readInfo.Certificate != null && readInfo.IsCertificateTrusted)
                    {
                        descriptionMetadata.Author = readInfo.Certificate.GetNameInfo(X509NameType.EmailName, false);
                    }
                    descriptionMetadata.Version = new Version(reader.ReadUInt16(), reader.ReadUInt16());
                    descriptionMetadata.AdditionalInformation          = reader.ReadString();
                    descriptionMetadata.ImplementSet                   = reader.ReadString();
                    descriptionMetadata.ImplementItem                  = reader.ReadString();
                    descriptionMetadata.Signature.IsHashValid          = readInfo.IsSignatureValid;
                    descriptionMetadata.Signature.Certificate          = readInfo.Certificate;
                    descriptionMetadata.Signature.IsCertificateTrusted = readInfo.IsCertificateTrusted;
                    int iconResource = reader.ReadInt32();
                    if (iconResource != -1)
                    {
                        iconResourceId = (uint)iconResource;
                    }
                    long created = reader.ReadInt64();
                }
                #endregion
                #region Flags
                else if (sectionType == (uint)BinaryConstants.ComponentSectionType.Flags)
                {
                    uint numFlagGroups = reader.ReadUInt32();
                    for (uint j = 0; j < numFlagGroups; j++)
                    {
                        IConditionTreeItem conditions;
                        if (readInfo.FormatVersion > 1)
                        {
                            conditions = reader.ReadConditionTree();
                        }
                        else
                        {
                            conditions = reader.ReadConditionCollection();
                        }

                        FlagOptions value = (FlagOptions)reader.ReadUInt32();
                        flagOptions.Add(new Conditional <FlagOptions>(value, conditions));
                    }
                }
                #endregion
                #region Properties
                else if (sectionType == (uint)BinaryConstants.ComponentSectionType.Properties)
                {
                    uint numProperties = reader.ReadUInt32();
                    for (uint j = 0; j < numProperties; j++)
                    {
                        string        propertyName   = reader.ReadString();
                        string        serializedName = reader.ReadString();
                        string        displayName    = reader.ReadString();
                        BinaryType    propType;
                        object        rawDefaultValue = reader.ReadType(out propType);
                        PropertyUnion defaultValue    = propType.ToPropertyUnion(rawDefaultValue);
                        string[]      enumOptions     = null;
                        if (propType == BinaryType.Enum)
                        {
                            enumOptions = new string[reader.ReadInt32()];
                            for (int k = 0; k < enumOptions.Length; k++)
                            {
                                enumOptions[k] = reader.ReadString();
                            }
                        }

                        // Format rules
                        List <ComponentPropertyFormat> formatRules = new List <ComponentPropertyFormat>();
                        uint numFormatRules = reader.ReadUInt32();
                        for (uint k = 0; k < numFormatRules; k++)
                        {
                            IConditionTreeItem conditions;
                            if (readInfo.FormatVersion > 1)
                            {
                                conditions = reader.ReadConditionTree();
                            }
                            else
                            {
                                conditions = reader.ReadConditionCollection();
                            }
                            string formatRule = reader.ReadString();
                            formatRules.Add(new ComponentPropertyFormat(formatRule, conditions));
                        }

                        // Other conditions
                        uint numOtherConditions = reader.ReadUInt32();
                        Dictionary <PropertyOtherConditionType, IConditionTreeItem> otherConditions = new Dictionary <PropertyOtherConditionType, IConditionTreeItem>((int)numOtherConditions);
                        for (uint k = 0; k < numOtherConditions; k++)
                        {
                            uint uintConditionType = reader.ReadUInt32();
                            IConditionTreeItem conditions;
                            if (readInfo.FormatVersion > 1)
                            {
                                conditions = reader.ReadConditionTree();
                            }
                            else
                            {
                                conditions = reader.ReadConditionCollection();
                            }
                            PropertyOtherConditionType conditionType = (PropertyOtherConditionType)uintConditionType;
                            otherConditions.Add(conditionType, conditions);
                        }

                        properties.Add(new ComponentProperty(propertyName, serializedName, displayName, BinaryIOExtentions.BinaryTypeToPropertyType(propType), defaultValue, formatRules.ToArray(), otherConditions, enumOptions));
                    }
                }
                #endregion
                #region Configurations
                else if (sectionType == (uint)BinaryConstants.ComponentSectionType.Configurations)
                {
                    uint numConfigurations = reader.ReadUInt32();
                    for (int j = 0; j < numConfigurations; j++)
                    {
                        string configurationName  = reader.ReadString();
                        string implementationName = reader.ReadString();

                        int numSetters = reader.ReadInt32();
                        var setters    = new Dictionary <string, PropertyUnion>(numSetters);
                        for (int k = 0; k < numSetters; k++)
                        {
                            BinaryType tempType;
                            string     name        = reader.ReadString();
                            var        setterValue = reader.ReadType(out tempType);
                            setters.Add(name, tempType.ToPropertyUnion(setterValue));
                        }

                        int iconID = reader.ReadInt32();

                        var configuration = new ComponentConfiguration(implementationName, configurationName, setters);
                        descriptionMetadata.Configurations.Add(configuration);

                        if (iconID != -1)
                        {
                            iconResources.Add(configuration, (uint)iconID);
                        }
                    }
                }
                #endregion
                #region Connections
                else if (sectionType == (uint)BinaryConstants.ComponentSectionType.Connections)
                {
                    uint numConnectionGroups = reader.ReadUInt32();
                    List <ConnectionGroup> connectionGroups = new List <ConnectionGroup>();
                    for (int j = 0; j < numConnectionGroups; j++)
                    {
                        IConditionTreeItem conditions;
                        if (readInfo.FormatVersion > 1)
                        {
                            conditions = reader.ReadConditionTree();
                        }
                        else
                        {
                            conditions = reader.ReadConditionCollection();
                        }

                        List <ConnectionDescription> tConnections = new List <ConnectionDescription>();
                        uint numConnections = reader.ReadUInt32();
                        for (uint k = 0; k < numConnections; k++)
                        {
                            tConnections.Add(new ConnectionDescription(reader.ReadComponentPoint(), reader.ReadComponentPoint(), (ConnectionEdge)reader.ReadInt32(), reader.ReadString()));
                        }

                        connections.Add(new ConnectionGroup(conditions, tConnections.ToArray()));
                    }
                }
                #endregion
                #region Render
                else if (sectionType == (uint)BinaryConstants.ComponentSectionType.Render)
                {
                    uint numRenderGroups = reader.ReadUInt32();
                    for (uint j = 0; j < numRenderGroups; j++)
                    {
                        IConditionTreeItem conditions;
                        if (readInfo.FormatVersion > 1)
                        {
                            conditions = reader.ReadConditionTree();
                        }
                        else
                        {
                            conditions = reader.ReadConditionCollection();
                        }

                        int numRenderCommands = (int)reader.ReadUInt32();
                        List <IRenderCommand> renderCommands = new List <IRenderCommand>(numRenderCommands);
                        for (int k = 0; k < numRenderCommands; k++)
                        {
                            RenderCommandType commandType = (RenderCommandType)reader.ReadUInt32();
                            switch (commandType)
                            {
                            case RenderCommandType.Line:
                            {
                                ComponentPoint start     = reader.ReadComponentPoint();
                                ComponentPoint end       = reader.ReadComponentPoint();
                                double         thickness = reader.ReadDouble();
                                renderCommands.Add(new Line(start, end, thickness));
                            }
                                continue;

                            case RenderCommandType.Rect:
                            {
                                ComponentPoint location  = reader.ReadComponentPoint();
                                double         width     = reader.ReadDouble();
                                double         height    = reader.ReadDouble();
                                double         thickness = reader.ReadDouble();
                                bool           fill      = (reader.ReadUInt32() == 0 ? false : true);
                                renderCommands.Add(new Rectangle(location, width, height, thickness, fill));
                            }
                                continue;

                            case RenderCommandType.Ellipse:
                            {
                                ComponentPoint centre    = reader.ReadComponentPoint();
                                double         radiusX   = reader.ReadDouble();
                                double         radiusY   = reader.ReadDouble();
                                double         thickness = reader.ReadDouble();
                                bool           fill      = (reader.ReadUInt32() == 0 ? false : true);
                                renderCommands.Add(new Ellipse(centre, radiusX, radiusY, thickness, fill));
                            }
                                continue;

                            case RenderCommandType.Path:
                            {
                                ComponentPoint start     = reader.ReadComponentPoint();
                                double         thickness = reader.ReadDouble();
                                bool           fill      = (reader.ReadUInt32() == 0 ? false : true);

                                int numCommands = reader.ReadInt32();
                                List <IPathCommand> pathCommands = new List <IPathCommand>(numCommands);
                                for (int l = 0; l < numCommands; l++)
                                {
                                    CommandType  pType      = (CommandType)reader.ReadInt32();
                                    IPathCommand theCommand = null;
                                    switch (pType)
                                    {
                                    case CommandType.MoveTo:
                                        theCommand = new MoveTo();
                                        break;

                                    case CommandType.LineTo:
                                        theCommand = new LineTo();
                                        break;

                                    case CommandType.CurveTo:
                                        theCommand = new CurveTo();
                                        break;

                                    case CommandType.EllipticalArcTo:
                                        theCommand = new EllipticalArcTo();
                                        break;

                                    case CommandType.QuadraticBeizerCurveTo:
                                        theCommand = new QuadraticBeizerCurveTo();
                                        break;

                                    case CommandType.SmoothCurveTo:
                                        theCommand = new SmoothCurveTo();
                                        break;

                                    case CommandType.SmoothQuadraticBeizerCurveTo:
                                        theCommand = new SmoothQuadraticBeizerCurveTo();
                                        break;

                                    default:
                                        theCommand = new ClosePath();
                                        break;
                                    }
                                    theCommand.Read(reader);
                                    pathCommands.Add(theCommand);
                                }

                                renderCommands.Add(new RenderPath(start, thickness, fill, pathCommands));
                            }
                                continue;

                            case RenderCommandType.Text:
                            {
                                byte           formattedTextVersion = reader.ReadByte();
                                ComponentPoint location             = reader.ReadComponentPoint();
                                TextAlignment  alignment            = (TextAlignment)reader.ReadUInt32();

                                uint           numTextRuns = reader.ReadUInt32();
                                List <TextRun> textRuns    = new List <TextRun>((int)numTextRuns);
                                for (uint l = 0; l < numTextRuns; l++)
                                {
                                    TextRunFormattingType formattingType = (TextRunFormattingType)reader.ReadUInt32();
                                    double runSize = reader.ReadDouble();
                                    string runText = reader.ReadString();
                                    textRuns.Add(new TextRun(runText, new TextRunFormatting(formattingType, runSize)));
                                }

                                renderCommands.Add(new Text(location, alignment, textRuns));
                            }
                                continue;
                            }
                        }

                        renderDescriptions.Add(new RenderDescription(conditions, renderCommands.ToArray()));
                    }
                }
                #endregion
                #region Skip
                else
                {
                    // Unknown type - skip
                    reader.BaseStream.Seek(sectionLength, SeekOrigin.Current);
                }
                #endregion
            }

            ComponentDescription = new ComponentDescription(ID.ToString(), componentName, canResize, canFlip, minSize, properties.ToArray(), connections.ToArray(), renderDescriptions.ToArray(), flagOptions.ToArray(), descriptionMetadata);

            if (iconResourceId.HasValue)
            {
                mainIconResource = iconResourceId.Value;
            }
        }
Beispiel #5
0
        private static void Draw(StreamGeometryContext dc, IPathCommand element, IPathCommand previous, Vector startOffset)
        {
            if (element is LineTo)
            {
                dc.LineTo(new System.Windows.Point((element as LineTo).X + startOffset.X, (element as LineTo).Y + startOffset.Y), true, true);
            }
            else if (element is MoveTo)
            {
                dc.LineTo(new System.Windows.Point((element as MoveTo).X + startOffset.X, (element as MoveTo).Y + startOffset.Y), false, true);
            }
            else if (element is CurveTo)
            {
                Point controlStart = Point.Add((element as CurveTo).ControlStart.ToWinPoint(), startOffset);
                Point controlEnd   = Point.Add((element as CurveTo).ControlEnd.ToWinPoint(), startOffset);
                Point end          = Point.Add((element as CurveTo).End.ToWinPoint(), startOffset);
                dc.BezierTo(controlStart, controlEnd, end, true, true);
            }
            else if (element is EllipticalArcTo)
            {
                dc.ArcTo(Point.Add((element as EllipticalArcTo).End.ToWinPoint(), startOffset), (element as EllipticalArcTo).Size.ToWinSize(), (element as EllipticalArcTo).RotationAngle, (element as EllipticalArcTo).IsLargeArc, (element as EllipticalArcTo).SweepDirection == Path.SweepDirection.Clockwise ? System.Windows.Media.SweepDirection.Clockwise : System.Windows.Media.SweepDirection.Counterclockwise, true, true);
            }
            else if (element is SmoothCurveTo)
            {
                SmoothCurveTo item = element as SmoothCurveTo;

                // If previous command is not S or C, then control points are the same
                Point controlStart = item.ControlEnd.ToWinPoint();

                // Else reflect ControlEnd of previous command in StartPoint
                if (previous is SmoothCurveTo)
                {
                    controlStart = ReflectPointIn((previous as SmoothCurveTo).ControlEnd.ToWinPoint(), (previous as SmoothCurveTo).End.ToWinPoint());
                }
                else if (previous is CurveTo)
                {
                    controlStart = ReflectPointIn((previous as CurveTo).ControlEnd.ToWinPoint(), (previous as CurveTo).End.ToWinPoint());
                }

                dc.BezierTo(Point.Add(controlStart, startOffset), Point.Add(item.ControlEnd.ToWinPoint(), startOffset), Point.Add(item.End.ToWinPoint(), startOffset), true, true);
            }
            else if (element is SmoothQuadraticBeizerCurveTo)
            {
                SmoothQuadraticBeizerCurveTo item = element as SmoothQuadraticBeizerCurveTo;

                if (previous is SmoothQuadraticBeizerCurveTo)
                {
                    throw new NotSupportedException();
                }
                else if (previous is QuadraticBeizerCurveTo)
                {
                    throw new NotSupportedException();
                }
                else
                {
                    // If previous command is not Q or T, then draw a line
                    dc.LineTo(item.End.ToWinPoint(), true, true);
                }
            }
            else if (element is QuadraticBeizerCurveTo)
            {
                QuadraticBeizerCurveTo item = element as QuadraticBeizerCurveTo;
                dc.QuadraticBezierTo(Point.Add(item.Control.ToWinPoint(), startOffset), Point.Add(item.End.ToWinPoint(), startOffset), true, true);
            }
        }
Beispiel #6
0
        public static bool RenderFromXml(Stream xmlStream, IRenderContext renderContext, out Size imageSize)
        {
            XmlDocument doc = new XmlDocument();

            doc.Load(xmlStream);

            XmlNamespaceManager namespaceManager = new XmlNamespaceManager(doc.NameTable);

            namespaceManager.AddNamespace("p", PreviewNamespace);

            XmlNode previewNode = doc.SelectSingleNode("/p:preview", namespaceManager);

            imageSize = new Size(double.Parse(previewNode.Attributes["width"].InnerText), double.Parse(previewNode.Attributes["height"].InnerText));

            XmlNodeList renderNodes = previewNode.ChildNodes;

            foreach (XmlNode renderNode in renderNodes)
            {
                XmlElement renderElement = renderNode as XmlElement;

                if (renderElement == null)
                {
                    continue;
                }

                if (renderElement.Name == "line")
                {
                    Point  start     = Point.Parse(renderElement.Attributes["start"].InnerText);
                    Point  end       = Point.Parse(renderElement.Attributes["end"].InnerText);
                    double thickness = double.Parse(renderElement.Attributes["thickness"].InnerText);
                    renderContext.DrawLine(start, end, thickness);
                }
                else if (renderElement.Name == "rect")
                {
                    Point  start     = Point.Parse(renderElement.Attributes["start"].InnerText);
                    Size   size      = Size.Parse(renderElement.Attributes["size"].InnerText);
                    double thickness = double.Parse(renderElement.Attributes["thickness"].InnerText);
                    bool   fill      = bool.Parse(renderElement.Attributes["fill"].InnerText);
                    renderContext.DrawRectangle(start, size, thickness, fill);
                }
                else if (renderElement.Name == "ellipse")
                {
                    Point  centre    = Point.Parse(renderElement.Attributes["centre"].InnerText);
                    double radiusx   = double.Parse(renderElement.Attributes["rx"].InnerText);
                    double radiusy   = double.Parse(renderElement.Attributes["ry"].InnerText);
                    double thickness = double.Parse(renderElement.Attributes["thickness"].InnerText);
                    bool   fill      = bool.Parse(renderElement.Attributes["fill"].InnerText);
                    renderContext.DrawEllipse(centre, radiusx, radiusy, thickness, fill);
                }
                else if (renderElement.Name == "path")
                {
                    Point  start     = Point.Parse(renderElement.Attributes["start"].InnerText);
                    double thickness = double.Parse(renderElement.Attributes["thickness"].InnerText);
                    bool   fill      = bool.Parse(renderElement.Attributes["fill"].InnerText);
                    string data      = renderElement.InnerText;
                    List <IPathCommand> pathCommands = new List <IPathCommand>();
                    using (MemoryStream dataStream = new MemoryStream(Convert.FromBase64String(data)))
                    {
                        BinaryReader reader = new BinaryReader(dataStream);

                        int numCommands = reader.ReadInt32();

                        for (int l = 0; l < numCommands; l++)
                        {
                            CommandType  pType      = (CommandType)reader.ReadInt32();
                            IPathCommand theCommand = null;
                            switch (pType)
                            {
                            case CommandType.MoveTo:
                                theCommand = new MoveTo();
                                break;

                            case CommandType.LineTo:
                                theCommand = new LineTo();
                                break;

                            case CommandType.CurveTo:
                                theCommand = new CurveTo();
                                break;

                            case CommandType.EllipticalArcTo:
                                theCommand = new EllipticalArcTo();
                                break;

                            case CommandType.QuadraticBeizerCurveTo:
                                theCommand = new QuadraticBeizerCurveTo();
                                break;

                            case CommandType.SmoothCurveTo:
                                theCommand = new SmoothCurveTo();
                                break;

                            case CommandType.SmoothQuadraticBeizerCurveTo:
                                theCommand = new SmoothQuadraticBeizerCurveTo();
                                break;

                            default:
                                theCommand = new ClosePath();
                                break;
                            }
                            theCommand.Read(reader);
                            pathCommands.Add(theCommand);
                        }
                    }
                    renderContext.DrawPath(start, pathCommands, thickness, fill);
                }
                else if (renderElement.Name == "text")
                {
                    Point          anchor    = Point.Parse(renderElement.Attributes["anchor"].InnerText);
                    TextAlignment  alignment = (TextAlignment)Enum.Parse(typeof(TextAlignment), renderElement.Attributes["alignment"].InnerText);
                    List <TextRun> runs      = new List <TextRun>();
                    foreach (XmlNode runNode in renderElement.ChildNodes)
                    {
                        if (runNode.Name != "run")
                        {
                            continue;
                        }

                        double size = double.Parse(runNode.Attributes["size"].InnerText);
                        TextRunFormattingType formattingType = (TextRunFormattingType)Enum.Parse(typeof(TextRunFormattingType), runNode.Attributes["formatting"].InnerText);
                        string text = runNode.InnerText;
                        runs.Add(new TextRun(text, new TextRunFormatting(formattingType, size)));
                    }
                    renderContext.DrawText(anchor, alignment, runs);
                }
            }

            return(true);
        }
Beispiel #7
0
        public static bool RenderFromXml(Stream xmlStream, IDrawingContext drawingContext, out Size imageSize)
        {
            var doc = XDocument.Load(xmlStream);

            var previewNode = doc.Elements().First(x => x.Name == PreviewNamespace + "preview");

            imageSize = new Size(double.Parse(previewNode.Attribute("width").Value),
                                 double.Parse(previewNode.Attribute("height").Value));

            var renderElements = previewNode.Elements();

            foreach (var renderElement in renderElements)
            {
                if (renderElement.Name == "line")
                {
                    Point  start     = Point.Parse(renderElement.Attribute("start").Value);
                    Point  end       = Point.Parse(renderElement.Attribute("end").Value);
                    double thickness = double.Parse(renderElement.Attribute("thickness").Value);
                    drawingContext.DrawLine(start, end, thickness);
                }
                else if (renderElement.Name == "rect")
                {
                    Point  start     = Point.Parse(renderElement.Attribute("start").Value);
                    Size   size      = Size.Parse(renderElement.Attribute("size").Value);
                    double thickness = double.Parse(renderElement.Attribute("thickness").Value);
                    bool   fill      = bool.Parse(renderElement.Attribute("fill").Value);
                    drawingContext.DrawRectangle(start, size, thickness, fill);
                }
                else if (renderElement.Name == "ellipse")
                {
                    Point  centre    = Point.Parse(renderElement.Attribute("centre").Value);
                    double radiusx   = double.Parse(renderElement.Attribute("rx").Value);
                    double radiusy   = double.Parse(renderElement.Attribute("ry").Value);
                    double thickness = double.Parse(renderElement.Attribute("thickness").Value);
                    bool   fill      = bool.Parse(renderElement.Attribute("fill").Value);
                    drawingContext.DrawEllipse(centre, radiusx, radiusy, thickness, fill);
                }
                else if (renderElement.Name == "path")
                {
                    Point  start     = Point.Parse(renderElement.Attribute("start").Value);
                    double thickness = double.Parse(renderElement.Attribute("thickness").Value);
                    bool   fill      = bool.Parse(renderElement.Attribute("fill").Value);
                    string data      = renderElement.Value;
                    List <IPathCommand> pathCommands = new List <IPathCommand>();
                    using (MemoryStream dataStream = new MemoryStream(Convert.FromBase64String(data)))
                    {
                        BinaryReader reader = new BinaryReader(dataStream);

                        int numCommands = reader.ReadInt32();

                        for (int l = 0; l < numCommands; l++)
                        {
                            CommandType  pType      = (CommandType)reader.ReadInt32();
                            IPathCommand theCommand = null;
                            switch (pType)
                            {
                            case CommandType.MoveTo:
                                theCommand = new MoveTo();
                                break;

                            case CommandType.LineTo:
                                theCommand = new LineTo();
                                break;

                            case CommandType.CurveTo:
                                theCommand = new CurveTo();
                                break;

                            case CommandType.EllipticalArcTo:
                                theCommand = new EllipticalArcTo();
                                break;

                            case CommandType.QuadraticBeizerCurveTo:
                                theCommand = new QuadraticBeizerCurveTo();
                                break;

                            case CommandType.SmoothCurveTo:
                                theCommand = new SmoothCurveTo();
                                break;

                            case CommandType.SmoothQuadraticBeizerCurveTo:
                                theCommand = new SmoothQuadraticBeizerCurveTo();
                                break;

                            default:
                                theCommand = new ClosePath();
                                break;
                            }
                            theCommand.Read(reader);
                            pathCommands.Add(theCommand);
                        }
                    }
                    drawingContext.DrawPath(start, pathCommands, thickness, fill);
                }
                else if (renderElement.Name == "text")
                {
                    Point          anchor    = Point.Parse(renderElement.Attribute("anchor").Value);
                    TextAlignment  alignment = (TextAlignment)Enum.Parse(typeof(TextAlignment), renderElement.Attribute("alignment").Value);
                    List <TextRun> runs      = new List <TextRun>();
                    foreach (var runNode in renderElement.Elements())
                    {
                        if (runNode.Name != "run")
                        {
                            continue;
                        }

                        double size = double.Parse(runNode.Attribute("size").Value);
                        TextRunFormattingType formattingType = (TextRunFormattingType)Enum.Parse(typeof(TextRunFormattingType), runNode.Attribute("formatting").Value);
                        string text = runNode.Value;
                        runs.Add(new TextRun(text, new TextRunFormatting(formattingType, size)));
                    }
                    drawingContext.DrawText(anchor, alignment, runs);
                }
            }

            return(true);
        }