PDF Creator Pilot documentation |
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   Collapse AllGets the width of the specified string in pixels.
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| DOUBLE PDFPAGE_GetTextWidth ( BSTR text ) |
Parameters
text
Text string to be measured.
Return value
The text width calculated.
Remarks
This function returns the width of the specified ANSI 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::GetTextWidth.
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_GetTextHeight(txt);
w := PDF.PDFPAGE_GetTextWidth(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);
CHAR* txt = "Centered text.";
DOUBLE h = PDF->PDFPAGE_GetTextHeight(txt);
DOUBLE w = PDF->PDFPAGE_GetTextWidth(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_GetTextHeight(txt);
double w = PDF.PDFPAGE_GetTextWidth(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_GetTextHeight(txt) w = PDF.PDFPAGE_GetTextWidth(txt) l = (PDF.PageWidth - w) / 2 t = (PDF.PageHeight - h) /2 PDF.PDFPAGE_TextOut l, t, 0.0, txt PDF.EndDoc
See Also