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POconvert svg to image programatically
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8414324
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8431789
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2
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CommentCount
6
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CreationDate
2011-12-07T11:07:13.427
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6
LastActivityDate
2017-11-16T13:51:48.477
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2011-12-09T09:39:15.990
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745378
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7
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im trying to convert my svg to an image i ve been looking into several tools and still cant make this hapen :( 1. <a href="http://svg.codeplex.com/" rel="noreferrer">SVG rendering engine</a> but im having trouble with it since it has no documentation this is my code: <pre><code> using (FileStream fileStream = File.OpenRead(@"C:\sample.svg")) { MemoryStream memoryStream = new MemoryStream(); memoryStream.SetLength(fileStream.Length); fileStream.Read(memoryStream.GetBuffer(), 0, (int)fileStream.Length); SvgDocument svgDocument = SvgDocument.Open(memoryStream); string imagePath = "local.jpg"; svgDocument.Draw().Save(imagePath); } </code></pre> or this: <pre><code> var sampleDoc = SvgDocument.Open(@"C:\sample.svg"); sampleDoc.Draw().Save(@"C:\sample.png"); </code></pre> neither works ! i get the error : <pre><code>Object reference not set to an instance of an object. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.NullReferenceException: Object reference not set to an instance of an object. Source Error: Line 363: SvgDocument svgDocument = SvgDocument.Open(memoryStream); Line 364: string imagePath = "local.jpg"; Line 365: svgDocument.Draw().Save(imagePath); Line 366: } Line 367: </code></pre> The problem seems that svgDocument is null ! 2. <a href="http://www.inkscape.org/" rel="noreferrer">Inkscape</a> my code: <pre><code> string svgFileName = HttpContext.Current.Server.MapPath("sample.svg"); string PngRelativeDirectory = HttpContext.Current.Server.MapPath("~/"); string pngName = "svgpieresult.png"; string pngFileName = HttpContext.Current.Server.MapPath("pngName); // ignored assume sample.svg is in the web app directory //using (StreamWriter writer = new StreamWriter(svgFileName, false)) //{ // writer.Write(svgXml); //} string inkscapeArgs = string.Format(@"-f ""{0}"" -e ""{1}""", svgFileName, pngFileName); Process inkscape = Process.Start( new ProcessStartInfo("C:\\Program Files\\inkscape\\inkscape.exe", inkscapeArgs)); inkscape.WaitForExit(3000); //Context.RewritePath(pngName); context.Response.Redirect(PngRelativeDirectory + pngName); </code></pre> but nothing happen!! i think im missing something to save the image instead of RewritePath() if u have a better solution for me plz post it with an example on how to use it,thanks this is my svg: <pre><code><?xml version="1.0" standalone="yes"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"> <svg width="598px" height="346px" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1"> <defs><linearGradient x1="0" y1="0" x2="1" y2="0.9999999999999998" id="theme-94ae0a-6b7e07"><stop offset="0%" stop-color="#94ae0a" stop-opacity="1"></stop><stop offset="100%" stop-color="#6b7e07" stop-opacity="1"></stop></linearGradient><linearGradient x1="0" y1="0" x2="1" y2="0.9999999999999998" id="theme-115fa6-0c4578"><stop offset="0%" stop-color="#115fa6" stop-opacity="1"></stop><stop offset="100%" stop-color="#0c4578" stop-opacity="1"></stop></linearGradient><linearGradient x1="0" y1="0" x2="1" y2="0.9999999999999998" id="theme-a61120-780c17"><stop offset="0%" stop-color="#a61120" stop-opacity="1"></stop><stop offset="100%" stop-color="#780c17" stop-opacity="1"></stop></linearGradient><linearGradient x1="0" y1="0" x2="1" y2="0.9999999999999998" id="theme-ff8809-d56e00"><stop offset="0%" stop-color="#ff8809" stop-opacity="1"></stop><stop offset="100%" stop-color="#d56e00" stop-opacity="1"></stop></linearGradient><linearGradient x1="0" y1="0" x2="1" y2="0.9999999999999998" id="theme-ffd13e-ffc50b"><stop offset="0%" stop-color="#ffd13e" stop-opacity="1"></stop><stop offset="100%" stop-color="#ffc50b" stop-opacity="1"></stop></linearGradient><linearGradient x1="0" y1="0" x2="1" y2="0.9999999999999998" id="theme-a61187-780c61"><stop offset="0%" stop-color="#a61187" stop-opacity="1"></stop><stop offset="100%" stop-color="#780c61" 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font-size="18" font-family="Arial" text-anchor="middle" fill="#333333" transform="matrix(1,0,0,1,0,0)" ><tspan x="286.5" dy="4.5">January</tspan></text><text x="235.1665388416979" y="116.73671822229682" font-size="18" font-family="Arial" text-anchor="middle" fill="#cccccc" transform="matrix(0.0914,-0.9958,0.9958,0.0914,97.4145,340.2432)" ><tspan x="235.1665388416979" dy="4.5">February</tspan></text><text x="182.2358551905599" y="142.81993256099588" font-size="18" font-family="Arial" text-anchor="middle" fill="#cccccc" transform="matrix(0.8454,0.5342,-0.5342,0.8454,104.4655,-75.2608)" ><tspan x="182.2358551905599" dy="4.5">March</tspan></text><text x="181.4045806349622" y="201.8224776300739" font-size="18" font-family="Arial" text-anchor="middle" fill="#333333" transform="matrix(0.8601,-0.5101,0.5101,0.8601,-77.5769,120.7761)" ><tspan x="181.4045806349622" dy="4.5">April</tspan></text><text x="204.31408267270237" y="223.32378812306592" font-size="18" font-family="Arial" text-anchor="middle" fill="#333333" transform="matrix(0.4546,-0.8907,0.8907,0.4546,-87.4823,303.7766)" ><tspan x="204.31408267270237" dy="4.5">May</tspan></text><text x="235.16653884169793" y="229.26328177770318" font-size="18" font-family="Arial" text-anchor="middle" fill="#cccccc" transform="matrix(0.0914,0.9958,-0.9958,0.0914,441.9649,-25.8825)" ><tspan x="235.16653884169793" dy="4.5">June</tspan></text><rect x="459.5" y="85.5" width="78" height="173" fill="#FFF" stroke="#000" stroke-width="1" transform="matrix(1,0,0,1,0,0)" /><text x="485" y="102" font-size="12" font-family="Helvetica, sans-serif" fill="#000" transform="matrix(1,0,0,1,0,0)" ><tspan x="485" dy="3">January</tspan></text><rect x="0" y="0" width="12" height="12" fill="url(#theme-94ae0a-6b7e07)" transform="matrix(1,0,0,1,465,96)" /><text x="485" y="129" font-size="12" font-family="Helvetica, sans-serif" fill="#000" transform="matrix(1,0,0,1,0,0)" ><tspan x="485" dy="3">February</tspan></text><rect x="0" y="0" width="12" height="12" fill="url(#theme-115fa6-0c4578)" transform="matrix(1,0,0,1,465,123)" /><text x="485" y="156" font-size="12" font-family="Helvetica, sans-serif" fill="#000" transform="matrix(1,0,0,1,0,0)" ><tspan x="485" dy="3">March</tspan></text><rect x="0" y="0" width="12" height="12" fill="url(#theme-a61120-780c17)" transform="matrix(1,0,0,1,465,150)" /><text x="485" y="183" font-size="12" font-family="Helvetica, sans-serif" fill="#000" transform="matrix(1,0,0,1,0,0)" ><tspan x="485" dy="3">April</tspan></text><rect x="0" y="0" width="12" height="12" fill="url(#theme-ff8809-d56e00)" transform="matrix(1,0,0,1,465,177)" /><text x="485" y="210" font-size="12" font-family="Helvetica, sans-serif" fill="#000" transform="matrix(1,0,0,1,0,0)" ><tspan x="485" dy="3">May</tspan></text><rect x="0" y="0" width="12" height="12" fill="url(#theme-ffd13e-ffc50b)" transform="matrix(1,0,0,1,465,204)" /><text x="485" y="237" font-size="12" font-family="Helvetica, sans-serif" fill="#000" transform="matrix(1,0,0,1,0,0)" ><tspan x="485" dy="3">June</tspan></text><rect x="0" y="0" width="12" height="12" fill="url(#theme-a61187-780c61)" transform="matrix(1,0,0,1,465,231)" /><rect x="0" y="-9" width="63" height="21" fill="#f00" fill-opacity="0" transform="matrix(1,0,0,1,465,96)" /><rect x="0" y="-9" width="68" height="21" fill="#f00" fill-opacity="0" transform="matrix(1,0,0,1,465,123)" /><rect x="0" y="-9" width="53" height="21" fill="#f00" fill-opacity="0" transform="matrix(1,0,0,1,465,150)" /><rect x="0" y="-9" width="44" height="21" fill="#f00" fill-opacity="0" transform="matrix(1,0,0,1,465,177)" /><rect x="0" y="-9" width="41" height="21" fill="#f00" fill-opacity="0" transform="matrix(1,0,0,1,465,204)" /><rect x="0" y="-9" width="47" height="21" fill="#f00" fill-opacity="0" transform="matrix(1,0,0,1,465,231)" /> </svg> </code></pre>
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convert svg to image programatically
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