THotPDF Loaded Form Field Editing Methods

本参考主题说明 HotPDF 库中公开 API 的行为、参数和使用方式

字段级方法

procedure SetLoadedFormFieldFlags(FieldIndex, AFlags: Integer);
procedure SetLoadedFormFieldMaxLength(FieldIndex, AMaxLength: Integer);
procedure SetLoadedFormFieldJustification(FieldIndex: Integer;
  AJustification: THPDFFormFieldJustification);
procedure SetLoadedFormFieldTooltip(FieldIndex: Integer; const ATooltip: AnsiString);

控件几何

function GetLoadedFormFieldWidgetCount(FieldIndex: Integer): Integer;
function GetLoadedFormFieldWidgetRect(FieldIndex, WidgetIndex: Integer;
  out ARect: THPDFRect): boolean;
procedure SetLoadedFormFieldWidgetRect(FieldIndex, WidgetIndex: Integer;
  X1, Y1, X2, Y2: Single);

控件外观与可见性

procedure SetLoadedFormFieldRotation(FieldIndex, ADegrees: Integer);
procedure SetLoadedFormFieldBorderColor(FieldIndex: Integer;
  ARed, AGreen, ABlue: Single);
procedure SetLoadedFormFieldVisibility(FieldIndex: Integer;
  AVisible, APrintable: boolean);
procedure SetLoadedFormFieldBorderWidth(FieldIndex: Integer; AWidth: Single);
procedure SetLoadedFormFieldBackgroundColor(FieldIndex: Integer;
  ARed, AGreen, ABlue: Single);

增量更新行为

示例

PDF.BeginIncrementalUpdate('input.pdf');
PDF.SetLoadedFormFieldMaxLength(0, 40);
PDF.SetLoadedFormFieldJustification(0, ffjCenter);
PDF.SetLoadedFormFieldRotation(0, 90);
PDF.SetLoadedFormFieldBorderColor(0, 0.1, 0.4, 0.8);
PDF.SetLoadedFormFieldWidgetRect(1, 1, 80, 150, 100, 170);
PDF.SaveIncrementalUpdate('updated.pdf');

相关 API

Loaded form field methods · Loaded document toolkit · THotPDF