public ImageDialog(EditorBindableCollapsiblePanel parent, IServerConnection conn, ISimpleSymbolDefinition ssd, IImageGraphic image)
{
InitializeComponent();
_ed = parent;
_ssd = ssd;
_image = image;
_conn = conn;
try
{
_init = true;
if (_image.Item.Type == ImageType.Reference)
{
_imageRef = (IImageReference)_image.Item;
rdResourceRef.Checked = true;
}
else
{
_imageInline = (IInlineImage)_image.Item;
rdInline.Checked = true;
}
if (_imageRef == null)
{
_imageRef = ssd.CreateImageReference(string.Empty, string.Empty);
}
else
{
rdResourceRef.Checked = true;
}
if (_imageInline == null)
{
_imageInline = ssd.CreateInlineImage(new byte[0]);
}
else
{
rdInline.Checked = true;
}
txtResourceId.Text = _imageRef.ResourceId;
txtResData.Text = _imageRef.LibraryItemName;
txtImageBase64.Text = Convert.ToBase64String(_imageInline.Content);
txtImageBase64.Tag = _imageInline.Content;
imageType_CheckedChanged(this, null);
}
finally
{
_init = false;
}
}
public ImageDialog(EditorBindableCollapsiblePanel parent, IResourceService resSvc, ISimpleSymbolDefinition ssd, IImageGraphic image)
{
InitializeComponent();
_ed = parent;
_ssd = ssd;
_image = image;
_resSvc = resSvc;
try
{
_init = true;
if (_image.Item.Type == ImageType.Reference)
{
_imageRef = (IImageReference)_image.Item;
rdResourceRef.Checked = true;
}
else
{
_imageInline = (IInlineImage)_image.Item;
rdInline.Checked = true;
}
if (_imageRef == null)
_imageRef = ssd.CreateImageReference("", "");
else
rdResourceRef.Checked = true;
if (_imageInline == null)
_imageInline = ssd.CreateInlineImage(new byte[0]);
else
rdInline.Checked = true;
txtResourceId.Text = _imageRef.ResourceId;
txtResData.Text = _imageRef.LibraryItemName;
txtImageBase64.Text = Convert.ToBase64String(_imageInline.Content);
txtImageBase64.Tag = _imageInline.Content;
imageType_CheckedChanged(this, null);
}
finally
{
_init = false;
}
}
/// <summary>
/// Generates an IMG tag for an inline image.
/// </summary>
/// <param name="htmlHelper">HTML helper.</param>
/// <param name="image">Inline image.</param>
/// <param name="sizes">Media conditions mapping screen width to image size</param>
public static MvcHtmlString InlineImage(this HtmlHelper htmlHelper, IInlineImage image, ResponsiveImageSizes sizes = null)
{
if (image == null)
{
return(MvcHtmlString.Empty);
}
var imageTag = new TagBuilder("img");
if (AppSettingProvider.ResponsiveImagesEnabled)
{
imageTag.MergeAttribute("srcset", GenerateSrcsetValue(image.Src));
if (sizes != null)
{
imageTag.MergeAttribute("sizes", sizes.GenerateSizesValue());
}
}
imageTag.MergeAttribute("src", image.Src);
imageTag.MergeAttribute("alt", image.AltText);
return(MvcHtmlString.Create(imageTag.ToString(TagRenderMode.SelfClosing)));
}
/// <summary>
/// Generates an IMG tag for an inline image.
/// </summary>
/// <param name="htmlHelper">HTML helper.</param>
/// <param name="image">Inline image.</param>
/// <param name="sizes">Media conditions mapping screen width to image size</param>
public static IHtmlContent InlineImage(this IHtmlHelper htmlHelper, IConfiguration configuration, IInlineImage image, ResponsiveImageSizes sizes = null)
{
if (image == null)
{
return(new HtmlString(string.Empty));
}
var imageTag = new TagBuilder("img");
bool responsiveImagesEnabled = configuration.GetSection(nameof(AppConfiguration)).Get <AppConfiguration>().ResponsiveImagesEnabled;
if (responsiveImagesEnabled)
{
imageTag.MergeAttribute("srcset", GenerateSrcsetValue(image.Src, configuration));
if (sizes != null)
{
imageTag.MergeAttribute("sizes", sizes.GenerateSizesValue());
}
}
imageTag.MergeAttribute("src", image.Src);
imageTag.MergeAttribute("alt", image.AltText);
imageTag.TagRenderMode = TagRenderMode.SelfClosing;
string result;
using (var writer = new StringWriter())
{
imageTag.WriteTo(writer, HtmlEncoder.Default);
result = writer.ToString();
}
return(new HtmlString(result));
}
