protected bool DoConvertBackgroundRepeat(StyleBase onStyle, object value, out PatternRepeat result)
{
if (null == value)
{
result = PatternRepeat.RepeatBoth;
return(false);
}
else if (CSSBackgroundRepeatParser.TryGetRepeatEnum(value.ToString(), out result))
{
return(true);
}
else
{
result = PatternRepeat.RepeatBoth;
return(false);
}
}
protected override bool DoSetStyleValue(Style onStyle, CSSStyleItemReader reader)
{
int count = 0;
int failed = 0;
PatternRepeat repeat;
while (reader.ReadNextValue())
{
count++;
if (IsExpression(reader.CurrentTextValue))
{
if (count == 1)
{
if (!this.AttachExpressionBindingHandler(onStyle, StyleKeys.BgColorKey, reader.CurrentTextValue, DoConvertBackgroundColor))
{
failed++;
}
}
else if (count == 2)
{
if (!this.AttachExpressionBindingHandler(onStyle, StyleKeys.BgImgSrcKey, reader.CurrentTextValue, DoConvertBackgroundImage))
{
failed++;
}
}
else if (count == 3)
{
if (!this.AttachExpressionBindingHandler(onStyle, StyleKeys.BgRepeatKey, reader.CurrentTextValue, DoConvertBackgroundRepeat))
{
failed++;
}
}
}
else if (IsColor(reader.CurrentTextValue))
{
PDFColor color;
double? opacity;
if (ParseCSSColor(reader.CurrentTextValue, out color, out opacity))
{
onStyle.Background.Color = color;
onStyle.Background.FillStyle = Drawing.FillType.Solid;
if (opacity.HasValue)
{
onStyle.Background.Opacity = opacity.Value;
}
}
else
{
failed++;
}
}
else if (IsUrl(reader.CurrentTextValue))
{
string url;
if (ParseCSSUrl(reader.CurrentTextValue, out url))
{
onStyle.Background.ImageSource = url;
onStyle.Background.FillStyle = Drawing.FillType.Image;
}
else
{
failed++;
}
}
else if (CSSBackgroundRepeatParser.TryGetRepeatEnum(reader.CurrentTextValue, out repeat))
{
onStyle.Background.PatternRepeat = repeat;
}
else
{
failed++;
}
//TODO: Parse sizes and positions
}
return(count > 0 && failed == 0);
}
