 | PdfiumFPDFText_ |
Get the index of a character at or nearby a certain position on the page
Namespace: Patagames.Pdf
Assembly: Patagames.Pdf (in Patagames.Pdf.dll) Version: 4.94.2704
Syntaxpublic static int FPDFText_GetCharIndexAtPos( IntPtr text_page, double x, double y, double xTolerance, double yTolerance )
Public Shared Function FPDFText_GetCharIndexAtPos ( text_page As IntPtr, x As Double, y As Double, xTolerance As Double, yTolerance As Double ) As Integer
public: static int FPDFText_GetCharIndexAtPos( IntPtr text_page, double x, double y, double xTolerance, double yTolerance )
static member FPDFText_GetCharIndexAtPos : text_page : IntPtr * x : float * y : float * xTolerance : float * yTolerance : float -> int
public static int FPDFText_GetCharIndexAtPos( IntPtr text_page, double x, double y, double xTolerance, double yTolerance )
Patagames.Pdf.Pdfium.FPDFText_GetCharIndexAtPos = function(text_page, x, y, xTolerance, yTolerance);
Parameters
- text_page IntPtr
- Handle to a text page information structure. Returned by FPDFText_LoadPage(IntPtr) function
- x Double
- X position in PDF "user space"
- y Double
- Y position in PDF "user space"
- xTolerance Double
- An x-axis tolerance value for character hit detection, in point unit.
- yTolerance Double
- A y-axis tolerance value for character hit detection, in point unit
Return Value
Int32The zero-based index of the character at, or nearby the point (x,y). If there is no character at or nearby the point, return value will be -1. If an error occurs, -3 will be returned.
See Also