public static void WriteSvgCssFile(IVirtualFiles vfs, string name,
List <string> dataUris,
Dictionary <string, string> adjacentCssRules = null,
Dictionary <string, string> appendToCssFiles = null)
{
var sb = StringBuilderCache.Allocate();
WriteDataUris(sb, dataUris);
if (adjacentCssRules != null)
{
WriteAdjacentCss(sb, dataUris, adjacentCssRules);
}
if (appendToCssFiles != null)
{
if (appendToCssFiles.TryGetValue(name, out var suffix))
{
sb.AppendLine(suffix);
}
}
var css = StringBuilderCache.ReturnAndFree(sb);
if (Svg.CssFillColor.TryGetValue(name, out var fillColor))
{
css = Svg.Fill(css, fillColor);
}
vfs.WriteFile($"/css/{name}.css", css);
}
public static void WriteDataUris(StringBuilder sb, List <string> dataUris)
{
foreach (var name in dataUris)
{
AppendEntry(sb, name, Svg.GetDataUri(name));
}
}
public override async Task ProcessRequestAsync(IRequest httpReq, IResponse httpRes, string operationName)
{
var svg = Svg.GetImage(Id, Fill);
if (svg == null)
{
httpRes.StatusCode = 404;
httpRes.StatusDescription = "SVG Image was not found";
}
else if (Format == "svg")
{
httpRes.ContentType = MimeTypes.ImageSvg;
await httpRes.WriteAsync(svg);
}
else if (Format == "css")
{
httpRes.ContentType = "text/css";
var css = $".svg-{Id} {{\n {Svg.InBackgroundImageCss(Svg.GetImage(Id, Fill))}\n}}\n";
await httpRes.WriteAsync(css);
}
else if (Format == "datauri")
{
var dataUri = Svg.GetDataUri(Id, Fill);
httpRes.ContentType = MimeTypes.PlainText;
await httpRes.WriteAsync(dataUri);
}
else
{
httpRes.StatusCode = 400;
httpRes.StatusDescription = "Unknown format, valid formats: svg, css, datauri";
}
httpRes.EndRequest();
}