/// <summary>
        /// Set image of this image box by analyzing the src attribute.<br/>
        /// Load 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);
            }
        }
Exemple #2
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        /// <summary>
        /// Set image of this image box by analyzing the src attribute.<br/>
        /// Load 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 threadpool.
        /// </remarks>
        /// <param name="htmlContainer">the container of the html to handle load image for</param>
        /// <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(HtmlContainer htmlContainer, string src, Dictionary <string, string> attributes)
        {
            ArgChecker.AssertArgNotNull(htmlContainer, "htmlContainer");

            _htmlContainer = htmlContainer;

            try
            {
                var args = new HtmlImageLoadEventArgs(src, attributes, OnHtmlImageLoadEventCallback);
                _htmlContainer.RaiseHtmlImageLoadEvent(args);

                if (!args.Handled)
                {
                    if (!string.IsNullOrEmpty(src))
                    {
                        if (src.StartsWith("data:image", StringComparison.CurrentCultureIgnoreCase))
                        {
                            _image = GetImageFromData(src);
                            if (_image == null)
                            {
                                _htmlContainer.ReportError(HtmlRenderErrorType.Image, "Failed extract image from inline data");
                            }
                            _releaseImageObject = true;
                            ImageLoadComplete(false);
                        }
                        else
                        {
                            SetImageFromPath(src);
                        }
                    }
                    else
                    {
                        ImageLoadComplete(false);
                    }
                }
            }
            catch (Exception ex)
            {
                _htmlContainer.ReportError(HtmlRenderErrorType.Image, "Exception in handling image source", ex);
                ImageLoadComplete(false);
            }
        }
        /// <summary>
        /// Set image of this image box by analyzing the src attribute.<br/>
        /// Load 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="htmlContainer">the container of the html to handle load image for</param>
        /// <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(HtmlContainer htmlContainer, string src, Dictionary<string, string> attributes)
        {
            ArgChecker.AssertArgNotNull(htmlContainer, "htmlContainer");

            _htmlContainer = htmlContainer;

            try
            {
                var args = new HtmlImageLoadEventArgs(src, attributes, OnHtmlImageLoadEventCallback);
                _htmlContainer.RaiseHtmlImageLoadEvent(args);
                _asyncCallback = true;

                if (!args.Handled)
                {
                    if (!string.IsNullOrEmpty(src))
                    {
                        if (src.StartsWith("data:image", StringComparison.CurrentCultureIgnoreCase))
                        {
                            _image = GetImageFromData(src);
                            if (_image == null)
                                _htmlContainer.ReportError(HtmlRenderErrorType.Image, "Failed extract image from inline data");
                            _releaseImageObject = true;
                            ImageLoadComplete(false);
                        }
                        else
                        {
                            SetImageFromPath(src);
                        }
                    }
                    else
                    {
                        ImageLoadComplete(false);
                    }
                }
            }
            catch (Exception ex)
            {
                _htmlContainer.ReportError(HtmlRenderErrorType.Image, "Exception in handling image source", ex);
                ImageLoadComplete(false);
            }
        }