`psrDeleteText`

Delete every text-showing operator whose origin point falls

Category	Interactive text editing

Purpose — Delete every text-showing operator whose origin point falls inside a rectangle (or the whole page).

Description — Deletes whole Tj/TJ/'/" operators (not partial runs) whose text origin lies in [Area.Left, Area.Right] × [Area.Bottom, Area.Top]; Area=NULL deletes every text-showing operator on the page. Stages the edit on Ctx — does not touch the actual page content until psrWriteToPage is called.

Declarations

BOOL32 __stdcall psrDeleteText(PPDF IPDF, IPSR Ctx, PFltRect Area, TDeleteTextFlags Flags);

Delphi

function psrDeleteText(const IPDF: PPDF; const Ctx: IPSR; Area: PFltRect; Flags: TDeleteTextFlags): LongBool; stdcall; external 'LumasPdf.dll';

TDeleteTextFlags (from Lumas.Pdf.ApiTypes — only one value is defined):

Delphi

TDeleteTextFlags = (dtfDefault = 0);

Parameters

Parameter	Type	Description
`IPDF`	`PPDF`	Instance handle.
`Ctx`	`IPSR`	A parsed context from `psrParsePage`.
`Area`	`PFltRect`	Rectangle to delete text within; `NULL` = whole page.
`Flags`	`TDeleteTextFlags`	Only `dtfDefault` (`0`) exists in this build's type — no alternative deletion modes are currently defined.

Return value — TRUE if the context and document are valid (stages the edit even if zero operators matched — this call does not distinguish "deleted N operators" from "deleted 0"; check the resulting extracted text if you need to know whether anything changed).

See also — psrWriteToPage

C# (P/Invoke)

wrappers/dotnet/LumasPdf.cs

[return: MarshalAs(UnmanagedType.Bool)]

Area

Text