|
public SetSkew ( float alpha, float beta ) : |
||
| alpha | float | |
| beta | float | |
| Résultat | ||
/**
*
* @param c the Chunk to apply CSS to.
* @param t the tag containing the chunk data
* @return the styled chunk
*/
virtual public Chunk Apply(Chunk c, Tag t)
{
Font f = ApplyFontStyles(t);
float size = f.Size;
String value = null;
IDictionary<String, String> rules = t.CSS;
foreach (KeyValuePair<String, String> entry in rules)
{
String key = entry.Key;
value = entry.Value;
if (Util.EqualsIgnoreCase(CSS.Property.FONT_STYLE, key)) {
if (Util.EqualsIgnoreCase(CSS.Value.OBLIQUE, value)) {
c.SetSkew(0, 12);
}
} else if (Util.EqualsIgnoreCase(CSS.Property.LETTER_SPACING, key)) {
String letterSpacing = entry.Value;
float letterSpacingValue = 0f;
if (utils.IsRelativeValue(value)) {
letterSpacingValue = utils.ParseRelativeValue(letterSpacing, f.Size);
} else if (utils.IsMetricValue(value)) {
letterSpacingValue = utils.ParsePxInCmMmPcToPt(letterSpacing);
}
c.SetCharacterSpacing(letterSpacingValue);
} else if (Util.EqualsIgnoreCase(CSS.Property.XFA_FONT_HORIZONTAL_SCALE, key)) {
// only % allowed; need a catch block NumberFormatExc?
c.SetHorizontalScaling(
float.Parse(value.Replace("%", ""))/100);
}
}
// following styles are separate from the for each loop, because they are based on font settings like size.
if (rules.TryGetValue(CSS.Property.VERTICAL_ALIGN, out value))
{
if (Util.EqualsIgnoreCase(CSS.Value.SUPER, value)
|| Util.EqualsIgnoreCase(CSS.Value.TOP, value)
|| Util.EqualsIgnoreCase(CSS.Value.TEXT_TOP, value)) {
c.SetTextRise((float) (size/2 + 0.5));
} else if (Util.EqualsIgnoreCase(CSS.Value.SUB, value)
|| Util.EqualsIgnoreCase(CSS.Value.BOTTOM, value)
|| Util.EqualsIgnoreCase(CSS.Value.TEXT_BOTTOM, value)) {
c.SetTextRise(-size/2);
} else {
c.SetTextRise(utils.ParsePxInCmMmPcToPt(value));
}
}
String xfaVertScale;
if (rules.TryGetValue(CSS.Property.XFA_FONT_VERTICAL_SCALE, out xfaVertScale))
{
if (xfaVertScale.Contains("%"))
{
size *= float.Parse(xfaVertScale.Replace("%", ""))/100;
c.SetHorizontalScaling(100/float.Parse(xfaVertScale.Replace("%", "")));
}
}
if (rules.TryGetValue(CSS.Property.TEXT_DECORATION, out value)) {
String[] splitValues = new Regex(@"\s+").Split(value);
foreach (String curValue in splitValues) {
if (Util.EqualsIgnoreCase(CSS.Value.UNDERLINE, curValue)) {
c.SetUnderline(0.75f, -size/8f);
}
if (Util.EqualsIgnoreCase(CSS.Value.LINE_THROUGH, curValue)) {
c.SetUnderline(0.75f, size/4f);
}
}
}
if (rules.TryGetValue(CSS.Property.BACKGROUND_COLOR, out value))
{
c.SetBackground(HtmlUtilities.DecodeColor(value));
}
f.Size = size;
c.Font = f;
float? leading = null;
value = null;
if (rules.TryGetValue(CSS.Property.LINE_HEIGHT, out value)) {
if (utils.IsNumericValue(value)) {
leading = float.Parse(value) * c.Font.Size;
} else if (utils.IsRelativeValue(value)) {
leading = utils.ParseRelativeValue(value, c.Font.Size);
} else if (utils.IsMetricValue(value)) {
leading = utils.ParsePxInCmMmPcToPt(value);
}
}
if (leading != null) {
c.setLineHeight((float)leading);
}
return c;
}
/*
* (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;
}
/**
*
* @param c the Chunk to apply CSS to.
* @param t the tag containing the chunk data
* @return the styled chunk
*/
public Chunk Apply(Chunk c, Tag t)
{
Font f = ApplyFontStyles(t);
float size = f.Size;
String value = null;
IDictionary<String, String> rules = t.CSS;
foreach (KeyValuePair<String, String> entry in rules)
{
String key = entry.Key;
value = entry.Value;
if (Util.EqualsIgnoreCase(CSS.Property.FONT_STYLE, key)) {
if (Util.EqualsIgnoreCase(CSS.Value.OBLIQUE, value))
{
c.SetSkew(0, 12);
}
} else if (Util.EqualsIgnoreCase(CSS.Property.LETTER_SPACING, key)) {
c.SetCharacterSpacing(utils.ParsePxInCmMmPcToPt(value));
} else if (Util.EqualsIgnoreCase(CSS.Property.XFA_FONT_HORIZONTAL_SCALE, key)) {
// only % allowed; need a catch block NumberFormatExc?
c.SetHorizontalScaling(
float.Parse(value.Replace("%", ""))/100);
}
}
// following styles are separate from the for each loop, because they are based on font settings like size.
if (rules.TryGetValue(CSS.Property.VERTICAL_ALIGN, out value))
{
if (Util.EqualsIgnoreCase(CSS.Value.SUPER, value)
|| Util.EqualsIgnoreCase(CSS.Value.TOP, value)
|| Util.EqualsIgnoreCase(CSS.Value.TEXT_TOP, value)) {
c.SetTextRise((float) (size/2 + 0.5));
} else if (Util.EqualsIgnoreCase(CSS.Value.SUB, value)
|| Util.EqualsIgnoreCase(CSS.Value.BOTTOM, value)
|| Util.EqualsIgnoreCase(CSS.Value.TEXT_BOTTOM, value)) {
c.SetTextRise(-size/2);
} else {
c.SetTextRise(utils.ParsePxInCmMmPcToPt(value));
}
}
String xfaVertScale;
if (rules.TryGetValue(CSS.Property.XFA_FONT_VERTICAL_SCALE, out xfaVertScale))
{
if (xfaVertScale.Contains("%"))
{
size *= float.Parse(xfaVertScale.Replace("%", ""))/100;
c.SetHorizontalScaling(100/float.Parse(xfaVertScale.Replace("%", "")));
}
}
if (rules.TryGetValue(CSS.Property.TEXT_DECORATION, out value))
{
// Restriction? In html a underline and a line-through is possible on one piece of text. A Chunk can set an underline only once.
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.TryGetValue(CSS.Property.BACKGROUND_COLOR, out value))
{
c.SetBackground(HtmlUtilities.DecodeColor(value));
}
f.Size = size;
c.Font = f;
return c;
}
// ===========================================================================
public void Write(Stream stream)
{
string RESOURCE = Utility.ResourcePosters;
// step 1
using (Document document = new Document())
{
// step 2
PdfWriter writer = PdfWriter.GetInstance(document, stream);
// step 3
document.Open();
// step 4
Chunk c;
String foobar = "Foobar Film Festival";
// Measuring a String in Helvetica
Font helvetica = new Font(Font.FontFamily.HELVETICA, 12);
BaseFont bf_helv = helvetica.GetCalculatedBaseFont(false);
float width_helv = bf_helv.GetWidthPoint(foobar, 12);
c = new Chunk(foobar + ": " + width_helv, helvetica);
document.Add(new Paragraph(c));
document.Add(new Paragraph(string.Format(
"Chunk width: {0}", c.GetWidthPoint()
)));
// Measuring a String in Times
BaseFont bf_times = BaseFont.CreateFont(
"c:/windows/fonts/times.ttf",
BaseFont.WINANSI, BaseFont.EMBEDDED
);
Font times = new Font(bf_times, 12);
float width_times = bf_times.GetWidthPoint(foobar, 12);
c = new Chunk(foobar + ": " + width_times, times);
document.Add(new Paragraph(c));
document.Add(new Paragraph(String.Format(
"Chunk width: {0}", c.GetWidthPoint()
)));
document.Add(Chunk.NEWLINE);
// Ascent and descent of the String
document.Add(new Paragraph(
"Ascent Helvetica: " + bf_helv.GetAscentPoint(foobar, 12)
));
document.Add(new Paragraph(
"Ascent Times: " + bf_times.GetAscentPoint(foobar, 12)
));
document.Add(new Paragraph(
"Descent Helvetica: " + bf_helv.GetDescentPoint(foobar, 12)
));
document.Add(new Paragraph(
"Descent Times: " + bf_times.GetDescentPoint(foobar, 12)
));
document.Add(Chunk.NEWLINE);
// Kerned text
width_helv = bf_helv.GetWidthPointKerned(foobar, 12);
c = new Chunk(foobar + ": " + width_helv, helvetica);
document.Add(new Paragraph(c));
// Drawing lines to see where the text is added
PdfContentByte canvas = writer.DirectContent;
canvas.SaveState();
canvas.SetLineWidth(0.05f);
canvas.MoveTo(400, 806);
canvas.LineTo(400, 626);
canvas.MoveTo(508.7f, 806);
canvas.LineTo(508.7f, 626);
canvas.MoveTo(280, 788);
canvas.LineTo(520, 788);
canvas.MoveTo(280, 752);
canvas.LineTo(520, 752);
canvas.MoveTo(280, 716);
canvas.LineTo(520, 716);
canvas.MoveTo(280, 680);
canvas.LineTo(520, 680);
canvas.MoveTo(280, 644);
canvas.LineTo(520, 644);
canvas.Stroke();
canvas.RestoreState();
// Adding text with PdfContentByte.ShowTextAligned()
canvas.BeginText();
canvas.SetFontAndSize(bf_helv, 12);
canvas.ShowTextAligned(Element.ALIGN_LEFT, foobar, 400, 788, 0);
canvas.ShowTextAligned(Element.ALIGN_RIGHT, foobar, 400, 752, 0);
canvas.ShowTextAligned(Element.ALIGN_CENTER, foobar, 400, 716, 0);
canvas.ShowTextAligned(Element.ALIGN_CENTER, foobar, 400, 680, 30);
canvas.ShowTextAlignedKerned(Element.ALIGN_LEFT, foobar, 400, 644, 0);
canvas.EndText();
// More lines to see where the text is added
canvas.SaveState();
canvas.SetLineWidth(0.05f);
canvas.MoveTo(200, 590);
canvas.LineTo(200, 410);
canvas.MoveTo(400, 590);
canvas.LineTo(400, 410);
canvas.MoveTo(80, 572);
canvas.LineTo(520, 572);
canvas.MoveTo(80, 536);
canvas.LineTo(520, 536);
canvas.MoveTo(80, 500);
canvas.LineTo(520, 500);
canvas.MoveTo(80, 464);
canvas.LineTo(520, 464);
canvas.MoveTo(80, 428);
canvas.LineTo(520, 428);
canvas.Stroke();
canvas.RestoreState();
// Adding text with ColumnText.ShowTextAligned()
Phrase phrase = new Phrase(foobar, times);
ColumnText.ShowTextAligned(canvas, Element.ALIGN_LEFT, phrase, 200, 572, 0);
ColumnText.ShowTextAligned(canvas, Element.ALIGN_RIGHT, phrase, 200, 536, 0);
ColumnText.ShowTextAligned(canvas, Element.ALIGN_CENTER, phrase, 200, 500, 0);
ColumnText.ShowTextAligned(canvas, Element.ALIGN_CENTER, phrase, 200, 464, 30);
ColumnText.ShowTextAligned(canvas, Element.ALIGN_CENTER, phrase, 200, 428, -30);
// Chunk attributes
c = new Chunk(foobar, times);
c.SetHorizontalScaling(0.5f);
phrase = new Phrase(c);
ColumnText.ShowTextAligned(canvas, Element.ALIGN_LEFT, phrase, 400, 572, 0);
c = new Chunk(foobar, times);
c.SetSkew(15, 15);
phrase = new Phrase(c);
ColumnText.ShowTextAligned(canvas, Element.ALIGN_LEFT, phrase, 400, 536, 0);
c = new Chunk(foobar, times);
c.SetSkew(0, 25);
phrase = new Phrase(c);
ColumnText.ShowTextAligned(canvas, Element.ALIGN_LEFT, phrase, 400, 500, 0);
c = new Chunk(foobar, times);
c.SetTextRenderMode(PdfContentByte.TEXT_RENDER_MODE_STROKE, 0.1f, BaseColor.RED);
phrase = new Phrase(c);
ColumnText.ShowTextAligned(canvas, Element.ALIGN_LEFT, phrase, 400, 464, 0);
c = new Chunk(foobar, times);
c.SetTextRenderMode(PdfContentByte.TEXT_RENDER_MODE_FILL_STROKE, 1, null);
phrase = new Phrase(c);
ColumnText.ShowTextAligned(canvas, Element.ALIGN_LEFT, phrase, 400, 428, -0);
}
}
