/// <summary> /// Converts an HTML length into a Css length /// </summary> /// <param name="htmlLength"></param> /// <returns></returns> private static string TranslateLength(string htmlLength) { CssLength len = new CssLength(htmlLength); if (len.HasError) { return string.Format(NumberFormatInfo.InvariantInfo, "{0}px", htmlLength); } return htmlLength; }
/// <summary> /// On image load process is complete with image or without update the image box. /// </summary> /// <param name="image">the image loaded or null if failed</param> /// <param name="rectangle">the source rectangle to draw in the image (empty - draw everything)</param> /// <param name="async">is the callback was called async to load image call</param> private void OnLoadImageComplete(RImage image, RRect rectangle, bool async) { _imageWord.Image = image; _imageWord.ImageRectangle = rectangle; _imageLoadingComplete = true; _wordsSizeMeasured = false; if (_imageLoadingComplete && image == null) { SetErrorBorder(); } if (!HtmlContainer.AvoidImagesLateLoading || async) { var width = new CssLength(Width); var height = new CssLength(Height); var layout = (width.Number <= 0 || width.Unit != CssUnit.Pixels) || (height.Number <= 0 || height.Unit != CssUnit.Pixels); HtmlContainer.RequestRefresh(layout); } }
/// <summary> /// Gets the available width for the whole table. /// It also sets the value of WidthSpecified /// </summary> /// <returns></returns> /// <remarks> /// The table's width can be larger than the result of this method, because of the minimum /// size that individual boxes. /// </remarks> private double GetMaxTableWidth() { var tblen = new CssLength(_tableBox.MaxWidth); if (tblen.Number > 0) { _widthSpecified = true; return CssValueParser.ParseLength(_tableBox.MaxWidth, _tableBox.ParentBox.AvailableWidth, _tableBox); } else { return 9999f; } }
/// <summary> /// Gets the available width for the whole table. /// It also sets the value of WidthSpecified /// </summary> /// <returns></returns> /// <remarks> /// The table's width can be larger than the result of this method, because of the minimum /// size that individual boxes. /// </remarks> private double GetAvailableTableWidth() { CssLength tblen = new CssLength(_tableBox.Width); if (tblen.Number > 0) { _widthSpecified = true; return CssValueParser.ParseLength(_tableBox.Width, _tableBox.ParentBox.AvailableWidth, _tableBox); } else { return _tableBox.ParentBox.AvailableWidth; } }
/// <summary> /// Determine Row and Column Count, and ColumnWidths /// </summary> /// <returns></returns> private double CalculateCountAndWidth() { //Columns if (_columns.Count > 0) { _columnCount = _columns.Count; } else { foreach (CssBox b in _allRows) _columnCount = Math.Max(_columnCount, b.Boxes.Count); } //Initialize column widths array with NaNs _columnWidths = new double[_columnCount]; for (int i = 0; i < _columnWidths.Length; i++) _columnWidths[i] = double.NaN; double availCellSpace = GetAvailableCellWidth(); if (_columns.Count > 0) { // Fill ColumnWidths array by scanning column widths for (int i = 0; i < _columns.Count; i++) { CssLength len = new CssLength(_columns[i].Width); //Get specified width if (len.Number > 0) //If some width specified { if (len.IsPercentage) //Get width as a percentage { _columnWidths[i] = CssValueParser.ParseNumber(_columns[i].Width, availCellSpace); } else if (len.Unit == CssUnit.Pixels || len.Unit == CssUnit.None) { _columnWidths[i] = len.Number; //Get width as an absolute-pixel value } } } } else { // Fill ColumnWidths array by scanning width in table-cell definitions foreach (CssBox row in _allRows) { //Check for column width in table-cell definitions for (int i = 0; i < _columnCount; i++) { if (i < 20 || double.IsNaN(_columnWidths[i])) // limit column width check { if (i < row.Boxes.Count && row.Boxes[i].Display == CssConstants.TableCell) { double len = CssValueParser.ParseLength(row.Boxes[i].Width, availCellSpace, row.Boxes[i]); if (len > 0) //If some width specified { int colspan = GetColSpan(row.Boxes[i]); len /= Convert.ToSingle(colspan); for (int j = i; j < i + colspan; j++) { _columnWidths[j] = double.IsNaN(_columnWidths[j]) ? len : Math.Max(_columnWidths[j], len); } } } } } } } return availCellSpace; }
private bool IsLayoutRequired() { var width = new CssLength(Width); var height = new CssLength(Height); return (width.Number <= 0 || width.Unit != CssUnit.Pixels) || (height.Number <= 0 || height.Unit != CssUnit.Pixels); }