/**
* @return Singleton instance of FontSizeTranslater.
*/
public static FontSizeTranslator GetInstance() {
if (myself != null)
return myself;
lock (syncroot) {
if (null == myself) {
myself = new FontSizeTranslator();
}
return myself;
}
}
/**
* @return Singleton instance of FontSizeTranslater.
*/
public static FontSizeTranslator GetInstance()
{
if (myself != null)
{
return(myself);
}
lock (syncroot) {
if (null == myself)
{
myself = new FontSizeTranslator();
}
return(myself);
}
}
/**
*
*/
public AbstractTagProcessor() {
fontsizeTrans = FontSizeTranslator.GetInstance();
}
/*
* (non-Javadoc)
*
* @see
* com.itextpdf.tool.xml.css.CssApplier#apply(com.itextpdf.text.Element,
* com.itextpdf.tool.xml.Tag)
*/
public Chunk Apply(Chunk c, Tag t) {
String fontName = null;
String encoding = BaseFont.CP1252;
float size = new FontSizeTranslator().GetFontSize(t);
int style = Font.UNDEFINED;
BaseColor color = null;
IDictionary<String, String> rules = t.CSS;
foreach (KeyValuePair<String, String> entry in rules) {
String key = entry.Key;
String value = entry.Value;
if (Util.EqualsIgnoreCase(CSS.Property.FONT_WEIGHT, key)) {
if (CSS.Value.BOLD.Contains(value)) {
if (style == Font.ITALIC) {
style = Font.BOLDITALIC;
}
else {
style = Font.BOLD;
}
}
else {
if (style == Font.BOLDITALIC) {
style = Font.ITALIC;
} else {
style = Font.NORMAL;
}
}
} else if (Util.EqualsIgnoreCase(CSS.Property.FONT_STYLE, key)) {
if (Util.EqualsIgnoreCase(value, CSS.Value.ITALIC)) {
if (style == Font.BOLD)
style = Font.BOLDITALIC;
else
style = Font.ITALIC;
}
if (Util.EqualsIgnoreCase(value, CSS.Value.OBLIQUE)) {
c.SetSkew(0, 12);
}
} else if (Util.EqualsIgnoreCase(CSS.Property.FONT_FAMILY, key)) {
if (value.Contains(",")){
String[] fonts = value.Split(',');
foreach (String s in fonts) {
string s2 = s.Trim();
if (!Util.EqualsIgnoreCase(FontFactory.GetFont(s2).Familyname, "unknown")){
fontName = s2;
break;
}
}
} else {
fontName = value;
}
} else if (Util.EqualsIgnoreCase(CSS.Property.COLOR, key)) {
color = HtmlUtilities.DecodeColor(value);
} else if (Util.EqualsIgnoreCase(CSS.Property.LETTER_SPACING, key)) {
c.SetCharacterSpacing(utils.ParsePxInCmMmPcToPt(value));
} else if (rules.ContainsKey(CSS.Property.XFA_FONT_HORIZONTAL_SCALE)) { // only % allowed; need a catch block NumberFormatExc?
c.SetHorizontalScaling(float.Parse(rules[CSS.Property.XFA_FONT_HORIZONTAL_SCALE].Replace("%", ""), CultureInfo.InvariantCulture)/100f);
}
}
// following styles are separate from the for each loop, because they are based on font settings like size.
if (rules.ContainsKey(CSS.Property.VERTICAL_ALIGN)) {
String value = rules[CSS.Property.VERTICAL_ALIGN];
if (Util.EqualsIgnoreCase(value, CSS.Value.SUPER)||Util.EqualsIgnoreCase(value, CSS.Value.TOP)||Util.EqualsIgnoreCase(value, CSS.Value.TEXT_TOP)) {
c.SetTextRise((float) (size / 2 + 0.5));
} else if (Util.EqualsIgnoreCase(value, CSS.Value.SUB)||Util.EqualsIgnoreCase(value, CSS.Value.BOTTOM)||Util.EqualsIgnoreCase(value, CSS.Value.TEXT_BOTTOM)) {
c.SetTextRise(-size / 2);
} else {
c.SetTextRise(utils.ParsePxInCmMmPcToPt(value));
}
}
String xfaVertScale;
rules.TryGetValue(CSS.Property.XFA_FONT_VERTICAL_SCALE, out xfaVertScale);
if (null != xfaVertScale) { // only % allowed; need a catch block NumberFormatExc?
if (xfaVertScale.Contains("%")) {
size *= float.Parse(xfaVertScale.Replace("%", ""), CultureInfo.InvariantCulture)/100;
c.SetHorizontalScaling(100/float.Parse(xfaVertScale.Replace("%", ""), CultureInfo.InvariantCulture));
}
}
if (rules.ContainsKey(CSS.Property.TEXT_DECORATION)) { // Restriction? In html a underline and a line-through is possible on one piece of text. A Chunk can set an underline only once.
String value = rules[CSS.Property.TEXT_DECORATION];
if (Util.EqualsIgnoreCase(CSS.Value.UNDERLINE, value)) {
c.SetUnderline(0.75f, -size/8f);
}
if (Util.EqualsIgnoreCase(CSS.Value.LINE_THROUGH, value)) {
c.SetUnderline(0.75f, size/4f);
}
}
if (rules.ContainsKey(CSS.Property.BACKGROUND_COLOR)) {
c.SetBackground(HtmlUtilities.DecodeColor(rules[CSS.Property.BACKGROUND_COLOR]));
}
Font f = FontFactory.GetFont(fontName, encoding, BaseFont.EMBEDDED, size, style, color);
c.Font = f;
return c;
}
