public void UpdateThumbnailAsync(Book.Book book, HtmlThumbNailer.ThumbnailOptions thumbnailOptions, Action <Book.BookInfo, Image> callback, Action <Book.BookInfo, Exception> errorCallback)
{
if (!(book is ErrorBook))
{
_thumbNailer.RebuildThumbNailAsync(book, thumbnailOptions, callback, errorCallback);
}
}
public void GetThumbnailAsync(int width, int height, HtmlDom dom, Action <Image> onReady, Action <Exception> onError)
{
var thumbnailOptions = new HtmlThumbNailer.ThumbnailOptions()
{
BackgroundColor = Color.White,
DrawBorderDashed = false,
CenterImageUsingTransparentPadding = false
};
_htmlThumbNailer.GetThumbnailAsync(String.Empty, string.Empty, dom.RawDom, thumbnailOptions, onReady, onError);
}
public void UpdateThumbnailAsync(IPage page)
{
XmlDocument pageDom = page.Book.GetPreviewXmlDocumentForPage(page).RawDom;
var thumbnailOptions = new HtmlThumbNailer.ThumbnailOptions()
{
BackgroundColor = Palette.TextAgainstDarkBackground,
DrawBorderDashed = false,
CenterImageUsingTransparentPadding = true
};
Thumbnailer.GetThumbnailAsync(String.Empty, page.Id, pageDom, thumbnailOptions, image => RefreshOneThumbnailCallback(page, image),
error => HandleThumbnailerError(page, error));
}
public void GetThumbnailAsync(int width, int height, HtmlDom dom, Action <Image> onReady, Action <Exception> onError)
{
var thumbnailOptions = new HtmlThumbNailer.ThumbnailOptions()
{
BackgroundColor = Color.White,
BorderStyle = HtmlThumbNailer.ThumbnailOptions.BorderStyles.None,
CenterImageUsingTransparentPadding = false,
Height = height,
Width = width
};
dom.UseOriginalImages = true; // apparently these thumbnails can be big...anyway we want printable images.
_thumbNailer.HtmlThumbNailer.GetThumbnailAsync(String.Empty, string.Empty, dom, thumbnailOptions, onReady, onError);
}
void MakeThumbnail(Book.Book book, int height, Control invokeTarget)
{
bool done = false;
string error = null;
HtmlThumbNailer.ThumbnailOptions options = new HtmlThumbNailer.ThumbnailOptions()
{
CenterImageUsingTransparentPadding = false,
//since this is destined for HTML, it's much easier to handle if there is no pre-padding
Height = height,
Width = -1,
FileName = "thumbnail-" + height + ".png"
};
book.RebuildThumbNailAsync(options, (info, image) => done = true,
(info, ex) =>
{
done = true;
throw ex;
});
var giveUpTime = DateTime.Now.AddSeconds(15);
while (!done && DateTime.Now < giveUpTime)
{
Thread.Sleep(100);
Application.DoEvents();
// In the context of bulk upload, when a model dialog is the only window, apparently Application.Idle is never invoked.
// So we need a trick to allow the thumbnailer to actually make some progress, since it usually works while idle.
this._htmlThumbnailer.Advance(invokeTarget);
}
if (!done)
{
throw new ApplicationException(string.Format("Gave up waiting for the {0} to be created. This usually means Bloom is busy making thumbnails for other things. Wait a bit, and try again.", options.FileName));
}
}
public void GetThumbnailAsync(int width, int height, HtmlDom dom,Action<Image> onReady ,Action<Exception> onError)
{
var thumbnailOptions = new HtmlThumbNailer.ThumbnailOptions()
{
BackgroundColor = Color.White,
BorderStyle = HtmlThumbNailer.ThumbnailOptions.BorderStyles.None,
CenterImageUsingTransparentPadding = false,
Height = height,
Width = width
};
dom.UseOriginalImages = true; // apparently these thumbnails can be big...anyway we want printable images.
_thumbNailer.HtmlThumbNailer.GetThumbnailAsync(String.Empty, string.Empty, dom, thumbnailOptions,onReady, onError);
}
public override void GetThumbNailOfBookCoverAsync(HtmlThumbNailer.ThumbnailOptions thumbnailOptions, Action <Image> callback, Action <Exception> errorCallback)
{
callback(Resources.Error70x70);
}
public void UpdateThumbnailAsync(IPage page)
{
var pageDom = page.Book.GetPreviewXmlDocumentForPage(page);
var thumbnailOptions = new HtmlThumbNailer.ThumbnailOptions()
{
BackgroundColor = Palette.TextAgainstDarkBackground,
BorderStyle = HtmlThumbNailer.ThumbnailOptions.BorderStyles.Solid,
CenterImageUsingTransparentPadding = true
};
Thumbnailer.GetThumbnailAsync(String.Empty, page.Id, pageDom, thumbnailOptions, image => RefreshOneThumbnailCallback(page, image),
error=> HandleThumbnailerError(page, error));
}
