/// <summary> /// Draw video image over the iframe if found. /// </summary> private void DrawImage(RGraphics g, RPoint offset, RRect rect) { if (_imageWord.Image != null) { if (rect.Width > 0 && rect.Height > 0) { if (_imageWord.ImageRectangle == RRect.Empty) { g.DrawImage(_imageWord.Image, rect); } else { g.DrawImage(_imageWord.Image, rect, _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 (_isVideo && !_imageLoadingComplete) { RenderUtils.DrawImageLoadingIcon(g, HtmlContainer, rect); if (rect.Width > 19 && rect.Height > 19) { g.DrawRectangle(g.GetPen(RColor.LightGray), rect.X, rect.Y, rect.Width, rect.Height); } } }
/// <summary> /// Draw image failed to load icon. /// </summary> /// <param name="g">the device to draw into</param> /// <param name="htmlContainer"></param> /// <param name="r">the rectangle to draw icon in</param> public static void DrawImageErrorIcon(RGraphics g, HtmlContainerInt htmlContainer, RRect r) { g.DrawRectangle(g.GetPen(RColor.LightGray), r.Left + 2, r.Top + 2, 15, 15); var image = htmlContainer.Adapter.GetLoadingFailedImage(); g.DrawImage(image, new RRect(r.Left + 3, r.Top + 3, image.Width, image.Height)); }
/// <summary> /// Draw image loading icon. /// </summary> /// <param name="g">the device to draw into</param> /// <param name="htmlContainer"></param> /// <param name="r">the rectangle to draw icon in</param> public static void DrawImageLoadingIcon(RGraphics g, HtmlContainerInt htmlContainer, RRect r) { g.DrawRectangle(g.GetPen(RColor.LightGray), r.Left + 3, r.Top + 3, 13, 14); var image = htmlContainer.Adapter.GetLoadingImage(); if (image != null) { g.DrawImage(image, new RRect(r.Left + 4, r.Top + 4, image.Width, image.Height)); } }
/// <summary> /// Draw the background image of the given box in the given rectangle.<br/> /// Handle background-repeat and background-position values. /// </summary> /// <param name="g">the device to draw into</param> /// <param name="box">the box to draw its background image</param> /// <param name="imageLoadHandler">the handler that loads image to draw</param> /// <param name="rectangle">the rectangle to draw image in</param> public static void DrawBackgroundImage(RGraphics g, CssBox box, ImageLoadHandler imageLoadHandler, RRect rectangle) { // image size depends if specific rectangle given in image loader var imgSize = new RSize( imageLoadHandler.Rectangle == RRect.Empty ? imageLoadHandler.Image.Width : imageLoadHandler.Rectangle.Width, imageLoadHandler.Rectangle == RRect.Empty ? imageLoadHandler.Image.Height : imageLoadHandler.Rectangle.Height); // get the location by BackgroundPosition value var location = GetLocation(box.BackgroundPosition, rectangle, imgSize); var srcRect = imageLoadHandler.Rectangle == RRect.Empty ? new RRect(0, 0, imgSize.Width, imgSize.Height) : new RRect(imageLoadHandler.Rectangle.Left, imageLoadHandler.Rectangle.Top, imgSize.Width, imgSize.Height); // initial image destination rectangle var destRect = new RRect(location, imgSize); // need to clip so repeated image will be cut on rectangle var lRectangle = rectangle; lRectangle.Intersect(g.GetClip()); g.PushClip(lRectangle); switch (box.BackgroundRepeat) { case "no-repeat": g.DrawImage(imageLoadHandler.Image, destRect, srcRect); break; case "repeat-x": DrawRepeatX(g, imageLoadHandler, rectangle, srcRect, destRect, imgSize); break; case "repeat-y": DrawRepeatY(g, imageLoadHandler, rectangle, srcRect, destRect, imgSize); break; default: DrawRepeat(g, imageLoadHandler, rectangle, srcRect, destRect, imgSize); break; } 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(); } }