Exemplo n.º 1
0
        public bool LoadImage(byte[] svg)
        {
            logger.Debug("Загружаем svg в помошник.");
            try
            {
                XmlSvg = new XmlDocument();
                XmlSvg.LoadXml(System.Text.Encoding.UTF8.GetString(svg));

                foreach (XmlNode node in XmlSvg.GetElementsByTagName("svg"))
                {
                    string units;
                    SvgHeight = ParseSize(node.Attributes["height"].Value, out units);
                    if(units == "mm")
                        SvgHeight *= 100;
                    SvgWidht = ParseSize(node.Attributes["width"].Value, out units);
                    if(units == "mm")
                        SvgWidht *= 100;
                    break;
                }

                foreach (XmlNode node in XmlSvg.GetElementsByTagName("rect"))
                {
                    if(node.Attributes["id"].Value == "framework")
                    {
                        BaseX = XmlConvert.ToDouble(node.Attributes["x"].Value);
                        BaseY = XmlConvert.ToDouble(node.Attributes["y"].Value);
                        BaseWidht = XmlConvert.ToDouble(node.Attributes["width"].Value);
                        BaseHeight = XmlConvert.ToDouble(node.Attributes["height"].Value);
                        CentreX = BaseX + BaseWidht / 2;
                        CentreY = BaseY + BaseHeight / 2;
                        FrameSet = true;
                        break;
                    }
                }
                if(FrameSet)
                {
                    OriginalFile = svg;
                    DrawingSvg = null;
                }
            }
            catch (Exception ex)
            {
                logger.Error(ex, "Ошибка в чтении svg!");
                return false;
            }
            logger.Debug("Закончили загрузку.");
            return FrameSet;
        }
Exemplo n.º 2
0
        public void ModifyDrawingImage()
        {
            if (OriginalFile == null)
                return;
            AddX = (float)(BaseWidht / 2) * (CubesH - 1);
            AddY = (float)(BaseHeight / 2) * (CubesV - 1);

            if(CubesV == 1 && CubesH == 1)
            {
                DrawingSvg = new Handle(OriginalFile);
                return;
            }
            logger.Debug("Начала изменение svg");
            MemoryStream stream = new MemoryStream(OriginalFile);
            SvgDocument imagefile = SvgDocument.Open<SvgDocument>(stream);
            SvgClipPath clip = imagefile.GetElementById<SvgClipPath>("presentation_clip_path");
            if(clip != null)
                clip.Parent.Children.Remove(clip);

            foreach(SvgLine line in imagefile.Children.FindSvgElementsOf<SvgLine>())
            {
                line.StartX = FixX(line.StartX);
                line.EndX = FixX(line.EndX);
                line.StartY = FixY(line.StartY);
                line.EndY = FixY(line.EndY);
            }

            stream = new MemoryStream();
            imagefile.Write(stream);
            DrawingSvg = new Handle(stream.ToArray());
            //logger.Debug(System.Text.Encoding.Default.GetString(DrawingFile));
            logger.Debug("Закончили изменение svg.");
        }
Exemplo n.º 3
0
	public static Gdk.Pixbuf LoadFromStream (System.IO.Stream input)
	{
		Handle loader = new Handle ();
		byte [] buffer = new byte [8192];
		int n;
		while ((n = input.Read (buffer, 0, 8192)) != 0)
			loader.Write (buffer, (uint) n);

		loader.Close ();
		return loader.Pixbuf;
	}
Exemplo n.º 4
0
        /// <summary>
        /// Changes the color of the first occuring style attribute in the SVG-image
        /// </summary>
        /// <param name="color">
        /// A <see cref="Gdk.Color"/>
        /// </param>
        public void Colorize(Gdk.Color color, double opacity)
        {
            if(svgContent == null)
                return;
            if(this.colorizeItems == null)
                return;

            // make sure the color-values stay <= 255
            string hexcolor = String.Format("#{0:x2}{1:x2}{2:x2}",
                                            color.Red    / 255 > 255 ? 255 : color.Red   / 255,
                                            color.Green / 255 > 255 ? 255 : color.Green / 255,
                                            color.Blue / 255 > 255 ? 255 : color.Blue  / 255);

            opacity = Math.Round(opacity, 1);

            // circle, ellipse, rect, line, polyline, polygon, text(X)
            foreach(ColorizeItem clrItem in this.colorizeItems)
            {
                XmlNode gNode = this.svgDoc.DocumentElement.GetElementsByTagName("g")[0];

                // if the geometric primitives are grouped in a g-tag
                if(gNode != null)
                {
                    try
                    {
                        string style = gNode.ChildNodes[clrItem.index].Attributes["style"].Value;

                        if(clrItem.stroke && clrItem.fill)
                        {
                            // replace the current fill color value
                            style = Regex.Replace(style, "fill:#[0-9a-fA-F]{6}", "fill:" + hexcolor);
                            // replace the fill opacity
                            style = Regex.Replace(style,
                                                  "fill-opacity:[1]|fill-opacity:0.[0-9]+",
                                                  "fill-opacity:" + opacity);
                            // replace the stroke color
                            style = Regex.Replace(style, "stroke:#[0-9a-fA-F]{6}", "stroke:" + hexcolor);
                            // replace the stroke opacity
                            style = Regex.Replace(style,
                                                  "stroke-opacity:[1]|fill-opacity:0.[0-9]+",
                                                  "stroke-opacity:" + opacity);
                            // apply the changes
                            gNode.ChildNodes[clrItem.index].Attributes["style"].Value = style;

                        }else if(clrItem.fill && !clrItem.stroke)
                        {
                            style = Regex.Replace(style, "fill:#[0-9a-fA-F]{6}", "fill:" + hexcolor);
                            style = Regex.Replace(style,
                                                  "fill-opacity:[1]|fill-opacity:0.[0-9]+",
                                                  "fill-opacity:" + opacity);

                            gNode.ChildNodes[clrItem.index].Attributes["style"].Value = style;

                        }else if(!clrItem.fill && clrItem.stroke)
                        {
                            style = Regex.Replace(style, "stroke:#[0-9a-fA-F]{6}", "stroke:" + hexcolor);
                            style = Regex.Replace(style,
                                                  "stroke-opacity:[1]|fill-opacity:0.[0-9]+",
                                                  "stroke-opacity:" + opacity);

                            gNode.ChildNodes[clrItem.index].Attributes["style"].Value = style;
                        }
                    }catch(Exception e)
                    {
                        MessageBox.ShowError("There was an error when trying to change the shape's color:\n"
                                             + e.Message);
                        break;
                    }
                }
            }
            this.svgContent = this.svgDoc.OuterXml;

            // recreate this Rsvg.Handle with the changed svg data
            this.svgHandle = new Handle(System.Text.Encoding.UTF8.GetBytes(svgDoc.OuterXml));
        }
Exemplo n.º 5
0
 internal Shape()
 {
     this.position = new Point(0, 0);
     this.svgHandle = new Handle();
     this.size = new Size();
     this.size.Width = 0;
     this.size.Height = 0;
     this.zoom = 0;
     this.rotation = 0;
     this.selected = false;
     this.flipMode = FlipMode.None;
     this.svgContent = null;
     this.svgDoc = new XmlDocument();
 }
Exemplo n.º 6
0
        /// <summary>
        /// Creates a new instance of the MeeGen.Shape class
        /// </summary>
        /// <param name="handle">
        /// The Rsvg.Handle that contains the image data for this instance
        /// A <see cref="Handle"/>
        /// </param>
        /// <param name="pos">
        /// The starting position of the new shape
        /// A <see cref="Point"/>
        /// </param>
        public Shape(Handle handle, Point pos)
        {
            this.position = pos;

            this.svgHandle = handle;

            this.size = new Size(this.svgHandle.Dimensions.Width,
                                 this.svgHandle.Dimensions.Height);

            this.zoom = 1d;
            this.rotation = 0d;
            this.selected = false;

            this.flipMode = FlipMode.None;

            if(handle.BaseUri.Length > 0)
            {
                StreamReader reader = new StreamReader(handle.BaseUri.Substring(7));
                svgContent = reader.ReadToEnd();
                reader.Close();
            }

            this.svgDoc = new XmlDocument();
            svgDoc.LoadXml(svgContent);

            this.colorizeItems = this.ParseMetadata();
        }