My code
VerticalText vt = new VerticalText(writer.getDirectContent());
vt.setVerticalLayout(marginLeft + squareHeight, 1191.0f - marginTop, squareHeight, 3, 20);
vt.setAlignment(Element.ALIGN_CENTER);
Paragraph p = new Paragraph(imgr.getText(), fontV);
p.setLeading(10);
vt.addText(p);
vt.go();
The result : Text is middle in vertical mode.
I want to display text is center in horizontal mode as below link:
How to solve this problem ?
As documented, left, center and right align has a different meaning in the context of VerticalText. Left is top, center is middle and right is bottom.
With class VerticalText, you always write from right to left. There is currently no way to align the text as shown in the screen shot to the right.
However, you could work around this problem by adding the vertical text in simulation mode first and then calculate the number of lines that have been written.
See for instance the VerticalText1 example from my book. I have adapted the code of that example like this:
BaseFont bf = BaseFont.createFont(
"KozMinPro-Regular", "UniJIS-UCS2-V", BaseFont.NOT_EMBEDDED);
Font font = new Font(bf, 20);
VerticalText vt = new VerticalText(writer.getDirectContent());
vt.setVerticalLayout(390, 570, 540, 12, 30);
vt.addText(new Chunk(MOVIE, font));
vt.go();
System.out.println(vt.getMaxLines());
vt.addText(new Phrase(TEXT1, font));
vt.go();
System.out.println(vt.getMaxLines());
vt.setAlignment(Element.ALIGN_RIGHT);
vt.addText(new Phrase(TEXT2, font));
vt.go();
System.out.println(vt.getMaxLines());
The output of the System.out calls is:
11
4
1
These numbers are the number of lines that are available after each go().
We start with 12 lines as defined in the setVerticalLayout() method.
We add MOVIE and there are 11 lines left. We've defined a leading of 30, which means we've already consumed (12 - 11) x 30pt = 30pt.
Then we add TEXT1 which is distributed over 7 lines, which take 7 * 30pt in width. In total we now have consumed (12 - 4) x 30pt = 240pt.
Finally we add TEXT2 which is distributed over 3 lines. Only 1 line is left. The total horizontal width of all the text is 330pt (we had only 30pt left).
Now that you know this math, you can execute the go() method in simulation mode, calculate the width that was consumed and use that info to add your text for real at the desired position.
Related
how to let long text change to multiple lines when adding annotation to image
and make the length of each line are equal, like rectangle?
image temp:=getfrontimage()
temp.ShowImage()
imageDisplay disp = front.ImageGetImageDisplay(0)
getsize(temp,x,y)
le=x*2/3
to1=y*80/100
component text1 = NewTextAnnotation(le,to1,string1+","+string2+","+string3,100)
I tried to add 3 strings to an image, each string has more than 15 letters/characters, Total more than 50 letters.
If I put all 3 strings in one text annotation in on line, it is too long.
If I put them as 3 text annotations, as the each line does not have exactly same numbers of letters, it shows ugly.
Is there any could let the text as multiple line, and the background of texts in each line has the same length?
Or the 3 text annotations has the same length, I mean the background of the texts has the same length, when the letters in each text annotations are not same, for example, 1st text annotation with 16 letters, 2nd text annotation with 20 letters, 3rd text annotation with 14 letters, but their background of the text have the same length.
Thanks,
You can add line-breaks as with all strings by simply adding the line-break escape string \n.
Example script:
number sx = 512
number sy = 512
image img := RealImage("test",4,sx,sy)
img = icol
img.ShowImage()
imageDisplay disp = img.ImageGetImageDisplay(0)
number l = sx * 2/3
number t = sy * 80/100
String mLstr = "Some text line\nSome more text lines\nShort text"
number fontSize = 12
Component Line = disp.NewTextAnnotation(l,t,mLstr,fontSize)
Line.TextAnnotationSetAlignment(1) // 1=Left, 2=Center, 3=Right
Line.ComponentSetDrawingMode(1) // 1=with background, 2=without background
Line.ComponentSetBackgroundColor(0.5,0.0,0)
Line.ComponentSetForegroundColor(0,1,0)
disp.ComponentAddChildAtEnd(line)
A note: When creating the new component, there are two different variants of the NewTextAnnotation command:
Component NewTextAnnotation( Component ref_par_comp, Number left, Number top, String text, Number size )
Component NewTextAnnotation( Number left, Number top, String text, Number size )
The first one takes the addtional "parent" component. If you use that one, then the font-size will scale with the default display-size of the parent component on the screen, i.e. will not be different for differently sizes images.
To test: Just try the above script with sx and sy values. Then do the same without the disp. in the line-annotation creating line.
I am trying to free text Annotation string align in center of rectangle but always set in top left corner
PdfContentByte pcb = stamper.getOverContent(page);
PdfAnnotation annotation = PdfAnnotation.createFreeText(stamper.getWriter(), rectangle, "Mayank Pandey", pcb);
annotation.put(PdfName.Q, new PdfNumber(PdfFormField.Element.ALIGN_MIDDLE));
Text showing left top corner in pdf:
You set
annotation.put(PdfName.Q, new PdfNumber(PdfFormField.Element.ALIGN_MIDDLE));
The constant Element.ALIGN_MIDDLE is defined as
/**
* A possible value for vertical alignment.
*/
public static final int ALIGN_MIDDLE = 5;
But the value of Q in free text annotations is specified as:
Q
integer
(Optional; PDF 1.4) A code specifying the form of quadding (justification) that shall be used in displaying the annotation’s text:
0 Left-justified
1 Centered
2 Right-justified
Default value: 0 (left-justified).
Thus, value 5 you used is not a valid Quadding value at all!
Furthermore, FreeText Quadding does not even support what you want to achieve, to align in center of rectangle, it only allows to select horizontal alignment, not vertical alignment.
For your objective, therefore, you'll have to use a custom appearance (which takes precedence if present).
I have a label (e.g. "A list of stuff") and some content (e.g. an actual list). When I add all of this to a PDF, I get:
A list of stuff: test A, test B, coconut, coconut, watermelons, apple, oranges, many more
fruites, carshow, monstertrucks thing
I want to change this so that the content is aligned like this:
A list of stuff: test A, test B, coconut, coconut, watermelons, apple, oranges, many more
fruites, carshow, monstertrucks thing, everything is startting on the
same point in the line now
In other words: I want the content to be aligned so that it every line starts at the same X position, no matter how many items are added to the list.
There are many different ways to achieve what you want: Take a look at the following screen shot:
This PDF was created using the IndentationOptions example.
In the first option, we use a List with the label ("A list of stuff: ") as the list symbol:
List list = new List();
list.setListSymbol(new Chunk(LABEL));
list.add(CONTENT);
document.add(list);
document.add(Chunk.NEWLINE);
In the second option, we use a paragraph of which we use the width of the LABEL as indentation, but we change the indentation of the first line to compensate for that indentation.
BaseFont bf = BaseFont.createFont();
Paragraph p = new Paragraph(LABEL + CONTENT, new Font(bf, 12));
float indentation = bf.getWidthPoint(LABEL, 12);
p.setIndentationLeft(indentation);
p.setFirstLineIndent(-indentation);
document.add(p);
document.add(Chunk.NEWLINE);
In the third option, we use a table with columns for which we define an absolute width. We use the previously calculated width for the first column, but we add 4, because the default padding (left and right) of a cell equals 2. (Obviously, you can change this padding.)
PdfPTable table = new PdfPTable(2);
table.getDefaultCell().setBorder(Rectangle.NO_BORDER);
table.setTotalWidth(new float[]{indentation + 4, 519 - indentation});
table.setLockedWidth(true);
table.addCell(LABEL);
table.addCell(CONTENT);
document.add(table);
There may be other ways to achieve the same result, and you can always tweak the above options. It's up to you to decide which option fits best in your case.
I'm creating a PDF document consisting of text only, where all the text is the same point size and font family but each character could potentially be a different color. Everything seems to work fine using the code snippet below, but the default space between the lines is slightly greater than I consider ideal. Is there a way to control this? (FYI, type "ColoredText" in the code below merely contains a string and its color. Also, the reason I am treating the newline character separately is that for some reason it doesn't cause a newline if it's in a Chunk.)
Thanks,
Ray
List<byte[]> pdfFilesAsBytes = new List<byte[]>();
iTextSharp.text.Document document = new iTextSharp.text.Document();
MemoryStream memStream = new MemoryStream();
iTextSharp.text.pdf.PdfWriter.GetInstance(document, memStream);
document.SetPageSize(isLandscape ? iTextSharp.text.PageSize.LETTER.Rotate() : iTextSharp.text.PageSize.LETTER);
document.Open();
foreach (ColoredText coloredText in coloredTextList)
{
Font font = new Font(Font.FontFamily.COURIER, pointSize, Font.NORMAL, coloredText.Color);
if (coloredText.Text == "\n")
document.Add(new Paragraph("", font));
else
document.Add(new Chunk(coloredText.Text, font));
}
document.Close();
pdfFilesAsBytes.Add(memStream.ToArray());
According to the PDF specification, the distance between the baseline of two lines is called the leading. In iText, the default leading is 1.5 times the size of the font. For instance: the default font size is 12 pt, hence the default leading is 18.
You can change the leading of a Paragraph by using one of the other constructors. See for instance: public Paragraph(float leading, String string, Font font)
You can also change the leading using one of the methods that sets the leading:
paragraph.SetLeading(fixed, multiplied);
The first parameter is the fixed leading: if you want a leading of 15 no matter which font size is used, you can choose fixed = 15 and multiplied = 0.
The second parameter is a factor: for instance if you want the leading to be twice the font size, you can choose fixed = 0 and multiplied = 2. In this case, the leading for a paragraph with font size 12 will be 24, for a font size 10, it will be 20, and son on.
You can also combine fixed and multiplied leading.
private static Paragraph addSpace(int size = 1)
{
Font LineBreak = FontFactory.GetFont("Arial", size);
Paragraph paragraph = new Paragraph("\n\n", LineBreak);
return paragraph;
}
I am using CoreText to render multiple columns of text. However, when I set the first letter of the 1st paragraph to a bold, larger font than the rest of the text, I incur 2 issues (both visible in the attached image):
The spacing underneath the first line is too big (I understand that this is because the 1st character could be a g,y,p,q etc.
Lines below the first line now do not line up with corresponding lines in the next column.
Any advice on how to overcome these 2 issues would be greatly appreciated, thank you.
According to the documentation kCTParagraphStyleSpecifierMaximumLineHeight should have solved the problem, but unfortunately does not seem to work at least on IOS 4.3.
CTParagraphStyleSetting theSettings[5] =
{
{ kCTParagraphStyleSpecifierParagraphSpacing, sizeof(CGFloat), &spaceBetweenParaghraphs },
{ kCTParagraphStyleSpecifierParagraphSpacingBefore, sizeof(CGFloat), &topSpacing },
{ kCTParagraphStyleSpecifierLineSpacing, sizeof(CGFloat), &spaceBetweenLines },
{ kCTParagraphStyleSpecifierMinimumLineHeight, sizeof(CGFloat), &lineHeight},
{ kCTParagraphStyleSpecifierMaximumLineHeight, sizeof(CGFloat), &lineHeight}
};
CTParagraphStyleRef paragraphStyle = CTParagraphStyleCreate(theSettings, 5);
To be fair documentation says it's available in OS v10.5 and later.
kCTParagraphStyleSpecifierMaximumLineHeight:
The maximum height that any line in the frame will occupy, regardless of the font size or size of any attached graphic. Glyphs and graphics exceeding this height will overlap neighboring lines. A maximum height of 0 implies no line height limit. This value is always nonnegative.Type: CGFloat.
Default: 0.0.
Application: CTFramesetter.
Available in Mac OS X v10.5 and later.
Declared in CTParagraphStyle.h.
It seems the only way to fix this is with a workaround, which is to create 3 frames for the first column,1 for the W, 1 for the rest of the first sentence and 1 for the rest of the first column.