private void CopyBackgroundImage(Style target, CellStyle source)
{
if (source.BackgroundImage == null || source.BackgroundImageLayout == ImageAlignEnum.Hide)
{
return;
}
ImageAlignInfo iai = s_ImageAlignToIA[source.BackgroundImageLayout];
bool stretch, keepaspect, tile;
switch (source.BackgroundImageLayout)
{
case ImageAlignEnum.Scale:
stretch = true;
keepaspect = true;
tile = false;
break;
case ImageAlignEnum.Stretch:
stretch = true;
keepaspect = false;
tile = false;
break;
case ImageAlignEnum.Tile:
stretch = false;
keepaspect = true;
tile = true;
break;
case ImageAlignEnum.TileStretch:
// todo: this is a bad workaround:
stretch = true;
keepaspect = false;
tile = false;
break;
default:
stretch = false;
keepaspect = true;
tile = false;
break;
}
target.BackgroundImageAlign = new ImageAlign(iai.Horz, iai.Vert, stretch, stretch, keepaspect, tile, tile);
if (source.BackgroundImageLayout != ImageAlignEnum.TileStretch)
{
target.BackgroundImage = source.BackgroundImage;
}
else
{
target.BackgroundImage = MakeTileStretchImage(source.BackgroundImage);
}
}
/// <summary>
/// Adjusts the passed style to mach the appearance of the specified C1FlexGrid cell style.
/// Also takes into account cell data (affects "general" text alignment), and whether the
/// cell is at the edge of the containing table (affects borders).
/// </summary>
/// <param name="target">The target style to modify.</param>
/// <param name="source">The source cell style.</param>
/// <param name="dataType">The grid cell data type (used to disambiguate general text alignment).</param>
/// <param name="value">The grid cell text (used to disambiguate general text alignment).</param>
/// <param name="edges">Outer edges of the table on which the cell borders.</param>
/// <param name="borderLeft">The left border of the cell (which is the right border of the cell on the left).</param>
/// <param name="borderTop">The top border of the cell (which is the bottom border of the cell on the top).</param>
private void CopyCellStyle(Style target, CellStyle source, Type dataType, string value, EdgeEnum edges, LineDef borderLeft, LineDef borderTop)
{
target.Font = source.Font;
target.BackColor = source.BackColor;
target.TextColor = source.ForeColor;
if (source.TextDirection == TextDirectionEnum.Up)
{
target.TextAngle = 90;
}
else if (source.TextDirection == TextDirectionEnum.Down)
{
target.TextAngle = 270;
}
// source.Trimming
target.WordWrap = source.WordWrap;
TextAlignInfo ta = s_TextAlignToTA[GetTextAlign(source, dataType, value)];
target.TextAlignHorz = ta.Horz;
target.TextAlignVert = ta.Vert;
ImageAlignInfo ia = s_ImageAlignToIA[source.ImageAlign];
target.ImageAlign.AlignHorz = ia.Horz;
target.ImageAlign.AlignVert = ia.Vert;
if (source.ImageAlign == ImageAlignEnum.Scale)
{
target.ImageAlign.BestFit = true;
target.ImageAlign.StretchVert = true;
target.ImageAlign.StretchHorz = true;
target.ImageAlign.KeepAspectRatio = true;
}
else if (source.ImageAlign == ImageAlignEnum.Stretch)
{
target.ImageAlign.StretchVert = true;
target.ImageAlign.StretchHorz = true;
target.ImageAlign.KeepAspectRatio = false;
}
else
{
target.ImageAlign.StretchVert = false;
target.ImageAlign.StretchHorz = false;
target.ImageAlign.KeepAspectRatio = true;
}
// todo: handle Tile/TileStretch
// borders:
if (PrintInfo.PrintBorders)
{
// note: outer borders are defined by EmptyArea style.
// left:
if ((edges & EdgeEnum.Left) != 0)
{
target.Borders.Left = BorderToLineDef(_grid.Styles.EmptyArea, false);
}
else
{
target.Borders.Left = borderLeft;
}
// top:
if ((edges & EdgeEnum.Top) != 0)
{
target.Borders.Top = BorderToLineDef(_grid.Styles.EmptyArea, true);
}
else
{
target.Borders.Top = borderTop;
}
// right:
if ((edges & EdgeEnum.Right) != 0)
{
target.Borders.Right = BorderToLineDef(_grid.Styles.EmptyArea, false);
}
else
{
target.Borders.Right = BorderToLineDef(source, false);
}
// bottom:
if ((edges & EdgeEnum.Bottom) != 0)
{
target.Borders.Bottom = BorderToLineDef(_grid.Styles.EmptyArea, true);
}
else
{
target.Borders.Bottom = BorderToLineDef(source, true);
}
}
CopyBackgroundImage(target, source);
// style attributes that are ignored (todo):
// source.TextEffect
// style attributes that are accounted for elsewhere and/or irrelevant for print:
// source.Padding
// source.Display
// source.Format
// source.DataType
// source.ImageAlign
// source.ImageSpacing
// source.EditMask
// source.ComboList
}