PDF Creator Pilot documentation |
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   Collapse AllGets the height of the specified unicode string in pixels.
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| DOUBLE PDFPAGE_GetUnicodeTextHeight ( BSTR text ) |
Parameters
text
Unicode text string to be measured.
Return value
The text height calculated.
Remarks
This function returns the height of the specified Unicode text string in pixels for the current font and page properties. Use PDFPAGE_SetActiveFont to set a desired font before calling this function.
Analogue in new interface: IPDFDocument4::GetUnicodeTextHeight.
Example
How to print centered text
Delphi
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{ PDF object is supposed to be created }
PDF.BeginDoc;
PDF.PDFPAGE_SetActiveFont('Verdana', false, false, false, false, 16.0, 0);
txt := 'Centered text.';
h := PDF.PDFPAGE_GetUnicodeTextHeight(txt);
w := PDF.PDFPAGE_GetUnicodeTextWidth(txt);
l := (PDF.PageWidth - w) / 2;
t := (PDF.PageHeight - h) / 2;
PDF.PDFPAGE_TextOut(l, t, 0.0, txt);
PDF.EndDoc;
C/C++
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// PDF object is supposed to be created
PDF->BeginDoc();
PDF->PDFPAGE_SetActiveFont("Verdana", FALSE, FALSE, FALSE, FALSE, 16.0, 0);
wstring txt = L"Centered text.";
DOUBLE h = PDF->PDFPAGE_GetUnicodeTextHeight(txt);
DOUBLE w = PDF->PDFPAGE_GetUnicodeTextWidth(txt);
DOUBLE l = (PDF->PageWidth - w) / 2.0;
DOUBLE t = (PDF->PageHeight - h) / 2.0;
PDF->PDFPAGE_TextOut(l, t, 0.0, txt);
PDF->EndDoc();
C#
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// PDF object is supposed to be created
PDF.BeginDoc();
PDF.PDFPAGE_SetActiveFont("Verdana", false, false, false, false, 16.0, 0);
string txt = "Centered text.";
double h = PDF.PDFPAGE_GetUnicodeTextHeight(txt);
double w = PDF.PDFPAGE_GetUnicodeTextWidth(txt);
double l = (PDF.PageWidth - w) / 2.0;
double t = (PDF.PageHeight - h) / 2.0;
PDF.PDFPAGE_TextOut(l, t, 0.0, txt);
PDF.EndDoc();
Visual Basic
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' PDF object is supposed to be created PDF.BeginDoc PDF.PDFPAGE_SetActiveFont "Verdana", False, False, False, False, 16.0, 0 txt = "Centered text." h = PDF.PDFPAGE_GetUnicodeTextHeight(txt) w = PDF.PDFPAGE_GetUnicodeTextWidth(txt) l = (PDF.PageWidth - w) / 2 t = (PDF.PageHeight - h) /2 PDF.PDFPAGE_TextOut l, t, 0.0, txt PDF.EndDoc
See Also