private void OnImageLoad(object sender, HtmlImageLoadEventArgs e)
{
OnImageLoad(e);
}
/// <summary>
/// Propagate the image load event from root container.
/// </summary>
protected virtual void OnImageLoad(HtmlImageLoadEventArgs e)
{
var handler = ImageLoad;
if (handler != null)
handler(this, e);
if (!e.Handled)
YamuiThemeManager.GetHtmlImages(e);
}
/// <summary>
/// Feeds the images to the html renderer
/// </summary>
internal static void GetHtmlImages(HtmlImageLoadEventArgs e)
{
Image img = FindImage(e.Src);
if (img != null) {
e.Callback(img);
e.Handled = true;
}
}
/// <summary>
/// Propagate the image load event from root container.
/// </summary>
protected virtual void OnImageLoad(HtmlImageLoadEventArgs e)
{
YamuiThemeManager.OnHtmlImageLoad(e);
var handler = ImageLoad;
if (handler != null)
handler(this, e);
}
/// <summary>
/// Raise the image load event with the given event args.
/// </summary>
/// <param name="args">the event args</param>
internal void RaiseHtmlImageLoadEvent(HtmlImageLoadEventArgs args)
{
try
{
if (ImageLoad != null)
{
ImageLoad(this, args);
}
}
catch (Exception ex)
{
ReportError(HtmlRenderErrorType.Image, "Failed image load event", ex);
}
}
/// <summary>
/// Set image of this image box by analyzing the src attribute.<br/>
/// LoadFromRaw the image from inline base64 encoded string.<br/>
/// Or from calling property/method on the bridge object that returns image or URL to image.<br/>
/// Or from file path<br/>
/// Or from URI.
/// </summary>
/// <remarks>
/// File path and URI image loading is executed async and after finishing calling <see cref="ImageLoadComplete"/>
/// on the main thread and not thread-pool.
/// </remarks>
/// <param name="src">the source of the image to load</param>
/// <param name="attributes">the collection of attributes on the element to use in event</param>
/// <returns>the image object (null if failed)</returns>
public void LoadImage(string src, Dictionary<string, string> attributes)
{
try
{
var args = new HtmlImageLoadEventArgs(src, attributes, OnHtmlImageLoadEventCallback);
_htmlContainer.RaiseHtmlImageLoadEvent(args);
_asyncCallback = !_htmlContainer.AvoidAsyncImagesLoading;
if (!args.Handled)
{
if (!string.IsNullOrEmpty(src))
{
if (src.StartsWith("data:image", StringComparison.CurrentCultureIgnoreCase))
{
SetFromInlineData(src);
}
else
{
SetImageFromPath(src);
}
}
else
{
ImageLoadComplete(false);
}
}
}
catch (Exception ex)
{
_htmlContainer.ReportError(HtmlRenderErrorType.Image, "Exception in handling image source", ex);
ImageLoadComplete(false);
}
}
