/// <summary>
/// Intended for use only by AssembledStylesCache to make derived styles.
/// If inheritedOnly is true, only those properties are copied which should be inherited by
/// nested boxes.
/// </summary>
internal AssembledStyles(AssembledStyles basedOn, bool inheritedOnly)
{
m_styleCache = basedOn.m_styleCache; // all derived styles share it
m_chrp = basedOn.m_chrp;
m_lineHeight = basedOn.m_lineHeight;
m_firstLineIndent = basedOn.m_firstLineIndent;
m_styleName = basedOn.m_styleName;
RightToLeft = basedOn.RightToLeft;
if (inheritedOnly)
{
SetNonInheritedDefaults();
}
else
{
// copy everything else, too.
m_paraAlignment = basedOn.m_paraAlignment;
m_borderColor = basedOn.m_borderColor;
m_borders = basedOn.m_borders;
m_margins = basedOn.m_margins;
m_pads = basedOn.m_pads;
m_weight = basedOn.m_weight;
}
}
/// <summary>
/// Return an object which, when passed to WithProperties, will return an assembled styles
/// with the specified borders.
/// Enhance JohnT: may want a mechanism to allow only certain borders to be modified.
/// </summary>
public static PropSetter BordersSetter(Thickness margins)
{
var result = new BordersPropSetter();
result.SetToValue = margins;
return result;
}
void SetNonInheritedDefaults()
{
// It's better for nested boxes to be treated as transparent, then we don't waste time
// repainting their background if it is the same.
int clrTrans = (int)FwTextColor.kclrTransparent;
m_chrp.clrBack = (uint)clrTrans;
m_borderColor = Color.Black;
m_margins = Thickness.Default;
m_pads = Thickness.Default;
m_borders = Thickness.Default;
}
/// <summary>
/// Return a new styles (or existing canonical one) like the current one but with the specified margins.
/// </summary>
public AssembledStyles WithBorders(Thickness borders)
{
// It's arbitrary which of the ktptMargin constants we use.
return m_styleCache.GetDerivedStyle(this, (int)FwTextPropType.ktptBorderLeading, borders,
(newStyles, w) => newStyles.m_borders = borders);
}
/// <summary>
/// Return a new styles (or existing canonical one) like the current one but with the specified pads.
/// </summary>
public AssembledStyles WithPads(Thickness pads)
{
// It's arbitrary which of the ktptMargin constants we use.
return m_styleCache.GetDerivedStyle(this, (int)FwTextPropType.ktptPadLeading, pads,
(newStyles, w) => newStyles.m_pads = pads);
}
private void ApplyParagraphStyleInfo(IParaStyleInfo paraInfo)
{
if(paraInfo == null)
return;
if(paraInfo.Alignment != null && paraInfo.Alignment.ValueIsSet)
m_paraAlignment = paraInfo.Alignment.Value;
if (paraInfo.LineHeight != null && paraInfo.LineHeight.ValueIsSet)
m_lineHeight = paraInfo.LineHeight.Value.m_lineHeight;
if (paraInfo.FirstLineIndent != null && paraInfo.FirstLineIndent.ValueIsSet)
m_firstLineIndent = paraInfo.FirstLineIndent.Value;
int borderLeading = 0;
int borderTop = 0;
int borderTrailing = 0;
int borderBottom = 0;
if(paraInfo.BorderColor != null && paraInfo.BorderColor.ValueIsSet)
m_borderColor = paraInfo.BorderColor.Value;
if (paraInfo.BorderLeading != null && paraInfo.BorderLeading.ValueIsSet)
borderLeading = paraInfo.BorderLeading.Value;
if (paraInfo.BorderTop != null && paraInfo.BorderTop.ValueIsSet)
borderTop = paraInfo.BorderTop.Value;
if (paraInfo.BorderTrailing != null && paraInfo.BorderTrailing.ValueIsSet)
borderTrailing = paraInfo.BorderTrailing.Value;
if (paraInfo.BorderBottom != null && paraInfo.BorderBottom.ValueIsSet)
borderBottom = paraInfo.BorderBottom.Value;
m_borders = new Thickness(borderLeading, borderTop, borderTrailing, borderBottom);
int marginLeading = 0;
int marginTop = 0;
int marginTrailing = 0;
int marginBottom = 0;
if (paraInfo.MarginLeading != null && paraInfo.MarginLeading.ValueIsSet)
marginLeading = paraInfo.MarginLeading.Value;
if (paraInfo.MarginTop != null && paraInfo.MarginTop.ValueIsSet)
marginTop = paraInfo.MarginTop.Value;
if (paraInfo.MarginTrailing != null && paraInfo.MarginTrailing.ValueIsSet)
marginTrailing = paraInfo.MarginTrailing.Value;
if (paraInfo.MarginBottom != null && paraInfo.MarginBottom.ValueIsSet)
marginBottom = paraInfo.MarginBottom.Value;
m_margins = new Thickness(marginLeading, marginTop, marginTrailing, marginBottom);
int padLeading = 0;
int padTop = 0;
int padTrailing = 0;
int padBottom = 0;
if (paraInfo.PadLeading != null && paraInfo.PadLeading.ValueIsSet)
padLeading = paraInfo.PadLeading.Value;
if (paraInfo.PadTop != null && paraInfo.PadTop.ValueIsSet)
padTop = paraInfo.PadTop.Value;
if (paraInfo.PadTrailing != null && paraInfo.PadTrailing.ValueIsSet)
padTrailing = paraInfo.PadTrailing.Value;
if (paraInfo.PadBottom != null && paraInfo.PadBottom.ValueIsSet)
padBottom = paraInfo.PadBottom.Value;
m_pads = new Thickness(padLeading, padTop, padTrailing, padBottom);
}
public bool Equals(Thickness other)
{
return other.Leading == Leading && other.Top == Top && other.Trailing == Trailing && other.Bottom == Bottom;
}
