/// <summary>
/// Assigns words its width and height
/// </summary>
/// <param name="g">the device to use</param>
internal override void MeasureWordsSize(RGraphics g)
{
if (!_wordsSizeMeasured)
{
if (_imageLoadHandler == null &&
(HtmlContainer.AvoidAsyncImagesLoading || HtmlContainer.AvoidImagesLateLoading))
{
_imageLoadHandler = new ImageLoadHandler(HtmlContainer, OnLoadImageComplete);
if (this.Content != null && this.Content != CssConstants.Normal)
{
_imageLoadHandler.LoadImage(this.Content, HtmlTag != null ? HtmlTag.Attributes : null);
}
else
{
_imageLoadHandler.LoadImage(GetAttribute("src"), HtmlTag != null ? HtmlTag.Attributes : null);
}
}
MeasureWordSpacing(g);
_wordsSizeMeasured = true;
}
CssLayoutEngine.MeasureImageSize(_imageWord);
}
/// <summary>
/// Create image handler for downloading video image if found and release the WebClient instance used for API call.
/// </summary>
private void HandlePostApiCall(object sender)
{
try
{
if (_videoImageUrl != null)
{
_imageLoadHandler = new ImageLoadHandler(HtmlContainer, OnLoadImageComplete);
_imageLoadHandler.LoadImage(_videoImageUrl, HtmlTag != null ? HtmlTag.Attributes : null);
}
else
{
_imageLoadingComplete = true;
SetErrorBorder();
}
var webClient = (WebClient)sender;
webClient.DownloadStringCompleted -= OnDownloadYoutubeApiCompleted;
webClient.DownloadStringCompleted -= OnDownloadVimeoApiCompleted;
webClient.Dispose();
HtmlContainer.RequestRefresh(IsLayoutRequired());
}
catch
{
}
}
private static FeedImageInfo CreateImageInfoFromXmlNode(XmlNode root)
{
FeedImageInfo result = new FeedImageInfo();
result.link = root.SelectSingleNode("link").InnerText;
result.title = root.SelectSingleNode("title").InnerText;
result.url = root.SelectSingleNode("url").InnerText;
result.image = ImageLoadHandler.GetImage(result.url);
if (result.image == null)
{
result.image = ImageLoadHandler.GetImage(result.link);
}
return(result);
}
/// <summary>
/// Assigns words its width and height
/// </summary>
/// <param name="g">the device to use</param>
internal override void MeasureWordsSize(Graphics g)
{
if (!_wordsSizeMeasured)
{
if (_imageLoadHandler == null)
{
_imageLoadHandler = new ImageLoadHandler(OnLoadImageComplete);
_imageLoadHandler.LoadImage(HtmlContainer, GetAttribute("src"), HtmlTag != null ? HtmlTag.Attributes : null);
}
MeasureWordSpacing(g);
_wordsSizeMeasured = true;
}
CssLayoutEngine.MeasureImageSize(_imageWord);
}
/// <summary>
/// Paints the fragment
/// </summary>
/// <param name="g">the device to draw to</param>
protected override void PaintImp(RGraphics g)
{
if (this._videoImageUrl != null && this._imageLoadHandler == null)
{
this._imageLoadHandler = new ImageLoadHandler(HtmlContainer, OnLoadImageComplete);
this._imageLoadHandler.LoadImage(this._videoImageUrl, HtmlTag != null ? HtmlTag.Attributes : null);
}
var rects = CommonUtils.GetFirstValueOrDefault(Rectangles);
RPoint offset = (HtmlContainer != null && !IsFixed) ? HtmlContainer.ScrollOffset : RPoint.Empty;
rects.Offset(offset);
var clipped = RenderUtils.ClipGraphicsByOverflow(g, this);
PaintBackground(g, rects, true, true);
BordersDrawHandler.DrawBoxBorders(g, this, rects, true, true);
var word = Words[0];
var tmpRect = word.Rectangle;
tmpRect.Offset(offset);
tmpRect.Height -= ActualBorderTopWidth + ActualBorderBottomWidth + ActualPaddingTop + ActualPaddingBottom;
tmpRect.Y += ActualBorderTopWidth + ActualPaddingTop;
tmpRect.X = Math.Floor(tmpRect.X);
tmpRect.Y = Math.Floor(tmpRect.Y);
var rect = tmpRect;
DrawImage(g, offset, rect);
DrawTitle(g, rect);
DrawPlay(g, rect);
if (clipped)
{
g.PopClip();
}
}
/// <summary>
/// Paints the fragment
/// </summary>
/// <param name="g">the device to draw to</param>
protected override void PaintImp(RGraphics g)
{
// load image if it is in visible rectangle
if (_imageLoadHandler == null)
{
_imageLoadHandler = new ImageLoadHandler(HtmlContainer, OnLoadImageComplete);
_imageLoadHandler.LoadImage(GetAttribute("src"), HtmlTag != null ? HtmlTag.Attributes : null);
}
var rect = CommonUtils.GetFirstValueOrDefault(Rectangles);
RPoint offset = RPoint.Empty;
if (!IsFixed)
{
offset = HtmlContainer.ScrollOffset;
}
rect.Offset(offset);
var clipped = RenderUtils.ClipGraphicsByOverflow(g, this);
PaintBackground(g, rect, true, true);
BordersDrawHandler.DrawBoxBorders(g, this, rect, true, true);
RRect r = _imageWord.Rectangle;
r.Offset(offset);
r.Height -= ActualBorderTopWidth + ActualBorderBottomWidth + ActualPaddingTop + ActualPaddingBottom;
r.Y += ActualBorderTopWidth + ActualPaddingTop;
r.X = Math.Floor(r.X);
r.Y = Math.Floor(r.Y);
if (_imageWord.Image != null)
{
if (r.Width > 0 && r.Height > 0)
{
if (_imageWord.ImageRectangle == RRect.Empty)
{
g.DrawImage(_imageWord.Image, r);
}
else
{
g.DrawImage(_imageWord.Image, r, _imageWord.ImageRectangle);
}
if (_imageWord.Selected)
{
g.DrawRectangle(GetSelectionBackBrush(g, true), _imageWord.Left + offset.X, _imageWord.Top + offset.Y, _imageWord.Width + 2, DomUtils.GetCssLineBoxByWord(_imageWord).LineHeight);
}
}
}
else if (_imageLoadingComplete)
{
if (_imageLoadingComplete && r.Width > 19 && r.Height > 19)
{
RenderUtils.DrawImageErrorIcon(g, HtmlContainer, r);
}
}
else
{
RenderUtils.DrawImageLoadingIcon(g, HtmlContainer, r);
if (r.Width > 19 && r.Height > 19)
{
g.DrawRectangle(g.GetPen(RColor.LightGray), r.X, r.Y, r.Width, r.Height);
}
}
if (clipped)
{
g.PopClip();
}
}
/// <summary>
/// Paints the fragment
/// </summary>
/// <param name="g">the device to draw to</param>
protected override void PaintImp(IGraphics g)
{
// load image iff it is in visible rectangle
if (_imageLoadHandler == null)
{
_imageLoadHandler = new ImageLoadHandler(HtmlContainer, OnLoadImageComplete);
_imageLoadHandler.LoadImage(GetAttribute("src"), HtmlTag != null ? HtmlTag.Attributes : null);
}
RectangleF rect = CommonUtils.GetFirstValueOrDefault(Rectangles);
PointF offset = HtmlContainer.ScrollOffset;
rect.Offset(offset);
RectangleF prevClip = RenderUtils.ClipGraphicsByOverflow(g, this);
PaintBackground(g, rect, true, true);
BordersDrawHandler.DrawBoxBorders(g, this, rect, true, true);
RectangleF r = _imageWord.Rectangle;
r.Offset(offset);
r.Height -= ActualBorderTopWidth + ActualBorderBottomWidth + ActualPaddingTop + ActualPaddingBottom;
r.Y += ActualBorderTopWidth + ActualPaddingTop;
r.X = (float)Math.Floor(r.X);
r.Y = (float)Math.Floor(r.Y);
if (_imageWord.Image != null)
{
if (_imageWord.ImageRectangle == Rectangle.Empty)
{
g.DrawImage(_imageWord.Image, Rectangle.Round(r));
}
else
{
g.DrawImage(_imageWord.Image, Rectangle.Round(r), _imageWord.ImageRectangle);
}
if (_imageWord.Selected)
{
g.FillRectangle(GetSelectionBackBrush(true), _imageWord.Left + offset.X, _imageWord.Top + offset.Y,
_imageWord.Width + 2, DomUtils.GetCssLineBoxByWord(_imageWord).LineHeight);
}
}
else if (_imageLoadingComplete)
{
if (_imageLoadingComplete && r.Width > 19 && r.Height > 19)
{
RenderUtils.DrawImageErrorIcon(g, r);
}
}
else
{
RenderUtils.DrawImageLoadingIcon(g, r);
if (r.Width > 19 && r.Height > 19)
{
g.DrawRectangle(Pens.LightGray, r.X, r.Y, r.Width, r.Height);
}
}
RenderUtils.ReturnClip(g, prevClip);
}
