/// <summary>
/// Assigns words its width and height
/// </summary>
/// <param name="g">the device to use</param>
internal override void MeasureWordsSize(RGraphics g)
{
if (!_wordsSizeMeasured)
{
MeasureWordSpacing(g);
_wordsSizeMeasured = true;
}
CssLayoutEngine.MeasureImageSize(_imageWord);
}
/// <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>
/// Layout the cells by the calculated table layout
/// </summary>
/// <param name="g"></param>
private void LayoutCells(RGraphics g)
{
var startx = Math.Max(_tableBox.ClientLeft + GetHorizontalSpacing(), 0);
var starty = Math.Max(_tableBox.ClientTop + GetVerticalSpacing(), 0);
var cury = starty;
var maxRight = startx;
double maxBottom = 0f;
var currentrow = 0;
// change start X by if the table should align to center or right
if (_tableBox.TextAlign == CssConstants.Center || _tableBox.TextAlign == CssConstants.Right)
{
var maxRightCalc = GetWidthSum();
startx = _tableBox.TextAlign == CssConstants.Right
? GetAvailableTableWidth() - maxRightCalc
: startx + (GetAvailableTableWidth() - maxRightCalc) / 2;
_tableBox.Location = new RPoint(startx - _tableBox.ActualBorderLeftWidth - _tableBox.ActualPaddingLeft - GetHorizontalSpacing(), _tableBox.Location.Y);
}
for (var i = 0; i < _allRows.Count; i++)
{
var row = _allRows[i];
var curx = startx;
var curCol = 0;
var breakPage = false;
for (var j = 0; j < row.Boxes.Count; j++)
{
var cell = row.Boxes[j];
if (curCol >= _columnWidths.Length)
{
break;
}
var rowspan = GetRowSpan(cell);
var columnIndex = GetCellRealColumnIndex(row, cell);
var width = GetCellWidth(columnIndex, cell);
cell.Location = new RPoint(curx, cury);
cell.Size = new RSize(width, 0f);
cell.PerformLayout(g); //That will automatically set the bottom of the cell
//Alter max bottom only if row is cell's row + cell's rowspan - 1
if (cell is CssSpacingBox sb)
{
if (sb.EndRow == currentrow)
{
maxBottom = Math.Max(maxBottom, sb.ExtendedBox.ActualBottom);
}
}
else if (rowspan == 1)
{
maxBottom = Math.Max(maxBottom, cell.ActualBottom);
}
maxRight = Math.Max(maxRight, cell.ActualRight);
curCol++;
curx = cell.ActualRight + GetHorizontalSpacing();
}
foreach (var cell in row.Boxes)
{
var spacer = cell as CssSpacingBox;
if (spacer == null && GetRowSpan(cell) == 1)
{
cell.ActualBottom = maxBottom;
CssLayoutEngine.ApplyCellVerticalAlignment(g, cell);
}
else if (spacer != null && spacer.EndRow == currentrow)
{
spacer.ExtendedBox.ActualBottom = maxBottom;
CssLayoutEngine.ApplyCellVerticalAlignment(g, spacer.ExtendedBox);
}
// If one cell crosses page borders then don't need to check other cells in the row
if (_tableBox.PageBreakInside == CssConstants.Avoid)
{
breakPage = cell.BreakPage();
if (breakPage)
{
cury = cell.Location.Y;
break;
}
}
}
if (breakPage) // go back to move the whole row to the next page
{
if (i == 1) // do not leave single row in previous page
{
i = -1; // Start layout from the first row on new page
}
else
{
i--;
}
maxBottom = 0;
continue;
}
cury = maxBottom + GetVerticalSpacing();
currentrow++;
}
maxRight = Math.Max(maxRight, _tableBox.Location.X + _tableBox.ActualWidth);
_tableBox.ActualRight = maxRight + GetHorizontalSpacing() + _tableBox.ActualBorderRightWidth;
_tableBox.ActualBottom = Math.Max(maxBottom, starty) + GetVerticalSpacing() + _tableBox.ActualBorderBottomWidth;
}