public static string Image(this HtmlHelper helper, Image image, int width, int height, bool fill, string defaultImage, DynamicImageFormat format)
{
string url = ImageUrl(helper, image, width, height, fill, defaultImage, format);
if (string.IsNullOrEmpty(url))
return string.Empty;
return ImageTag(helper, image, url);
}
/// <summary>
/// Image Tag methods
/// </summary>
public static string ImageTag(this HtmlHelper helper, Image image, string imageUrl)
{
TagBuilder imageTag = new TagBuilder("img");
imageTag.MergeAttribute("src", imageUrl, true);
imageTag.MergeAttribute("alt", image != null ? image.Caption : string.Empty, true);
imageTag.MergeAttribute("border", "0", true);
return imageTag.ToString(TagRenderMode.SelfClosing);
}
public static string ImageUrl(this HtmlHelper helper, Image image, int width, int height, bool fill, string defaultImage, DynamicImageFormat format)
{
string result = defaultImage;
// only generate url if image exists
if (image != null)
{
// special code for image without resizing
if (width == 0 && height == 0)
{
result = new CompositionBuilder()
.WithLayer(LayerBuilder.Image.SourceImage(image))
.Url;
}
// generate resized image url
else
{
if (image is CroppedImage)
{
CroppedImage cImage = (CroppedImage)image;
result = cImage.GetUrl(width, height, fill, format);
}
else
{
result = image.GetUrl(width, height, fill, format);
}
}
}
return result;
}
public static string ImageUrl(this HtmlHelper helper, Image image, int width, int height, bool fill, DynamicImageFormat format)
{
return ImageUrl(helper, image, width, height, fill, string.Empty, format);
}
public static string ImageUrl(this HtmlHelper helper, Image image, int width, int height)
{
return ImageUrl(helper, image, width, height, true);
}
/// <summary>
/// Image URL methods
/// </summary>
public static string ImageUrl(this HtmlHelper helper, Image image)
{
return ImageUrl(helper, image, 0, 0);
}
public static string Image(this HtmlHelper helper, Image image, int width, int height, bool fill, string defaultImage)
{
return Image(helper, image, width, height, fill, defaultImage, DynamicImageFormat.Jpeg);
}
public static string Image(this HtmlHelper helper, Image image, int width, int height, bool fill)
{
return Image(helper, image, width, height, fill, string.Empty);
}
public static ImageLayerBuilder SourceImage(this ImageLayerBuilder builder, Image image)
{
builder.Source = new ZeusImageSource { ContentID = image.ID };
return builder;
}