public override async Task ProcessAsync(TagHelperContext context, TagHelperOutput output)
{
if (!ImageWidth.HasValue && !ImageHeight.HasValue && String.IsNullOrEmpty(ImageProfile))
{
return;
}
var imgSrc = output.Attributes["src"]?.Value.ToString() ?? Src;
if (string.IsNullOrEmpty(imgSrc))
{
return;
}
IDictionary <string, string> queryStringParams = null;
if (!String.IsNullOrEmpty(ImageProfile))
{
queryStringParams = await _mediaProfileService.GetMediaProfileCommands(ImageProfile);
}
var resizedSrc = ImageSharpUrlFormatter.GetImageResizeUrl(imgSrc, queryStringParams, ImageWidth, ImageHeight, ResizeMode, ImageQuality, ImageFormat, ImageAnchor, ImageBackgroundColor);
if (_mediaOptions.UseTokenizedQueryString)
{
resizedSrc = _mediaTokenService.AddTokenToPath(resizedSrc);
}
output.Attributes.SetAttribute("src", resizedSrc);
}
public async ValueTask <FluidValue> ProcessAsync(FluidValue input, FilterArguments arguments, LiquidTemplateContext context)
{
var url = input.ToStringValue();
IDictionary <string, string> queryStringParams = null;
// Profile is a named argument only.
var profile = arguments["profile"];
if (!profile.IsNil())
{
queryStringParams = await _mediaProfileService.GetMediaProfileCommands(profile.ToStringValue());
// Additional commands to a profile must be named.
var width = arguments["width"];
var height = arguments["height"];
var mode = arguments["mode"];
var quality = arguments["quality"];
var format = arguments["format"];
var anchor = arguments["anchor"];
var bgcolor = arguments["bgcolor"];
ApplyQueryStringParams(queryStringParams, width, height, mode, quality, format, anchor, bgcolor);
}
else
{
queryStringParams = new Dictionary <string, string>();
var useNamed = arguments.Names.Any(); // Never mix named and indexed arguments as this leads to unpredictable results
var width = useNamed ? arguments["width"] : arguments.At(0);
var height = useNamed ? arguments["height"] : arguments.At(1);
var mode = useNamed ? arguments["mode"] : arguments.At(2);
var quality = useNamed ? arguments["quality"] : arguments.At(3);
var format = useNamed ? arguments["format"] : arguments.At(4);
var anchor = useNamed ? arguments["anchor"] : arguments.At(5);
var bgcolor = useNamed ? arguments["bgcolor"] : arguments.At(6);
ApplyQueryStringParams(queryStringParams, width, height, mode, quality, format, anchor, bgcolor);
}
var resizedUrl = QueryHelpers.AddQueryString(url, queryStringParams);
if (_options.UseTokenizedQueryString)
{
resizedUrl = _mediaTokenService.AddTokenToPath(resizedUrl);
}
return(new StringValue(resizedUrl));
}
