FastReport_2022_VCL/LibD28/frxPDFRTTI.pas
2024-01-01 16:13:08 +01:00

74 lines
1.9 KiB
ObjectPascal

{******************************************}
{ }
{ FastReport VCL }
{ PDF components RTTI }
{ }
{ Copyright (c) 1998-2021 }
{ by Fast Reports Inc. }
{ }
{******************************************}
unit frxPDFRTTI;
interface
{$I frx.inc}
implementation
uses
fs_iinterpreter, frxPDFViewer, frxClassRTTI, Graphics, Classes, Types;
type
TFunctions = class(TfsRTTIModule)
private
function CallMethod(Instance :TObject; ClassType: TClass; const MethodName: String; Caller: TfsMethodHelper) :Variant;
public
constructor Create(AScript: TfsScript); override;
end;
{ TFunctions }
constructor TFunctions.Create(AScript: TfsScript);
begin
inherited Create(AScript);
with AScript do
begin
AddClass(TfrxDrawOptions, 'TfrxStretcheable');
with AddClass(TfrxPDFView, 'TfrxStretcheable') do
begin
AddMethod('procedure LoadPDFFromStream(AStream: TStream; const APassword: String = '')', CallMethod);
AddMethod('procedure LoadFromFile(const AFileName: string)', CallMethod);
AddMethod('procedure ClearPDF', CallMethod);
end;
end;
end;
function TFunctions.CallMethod(Instance :TObject; ClassType: TClass; const MethodName: String; Caller: TfsMethodHelper) :Variant;
begin
Result := 0;
if ClassType = TfrxPDFView then
begin
if MethodName = 'LOADPDFFROMSTREAM' then
TfrxPDFView(Instance).LoadPDFFromStream(TStream(frxInteger(Caller.Params[0])), Caller.Params[1])
else
if MethodName = 'LOADFROMFILE' then
TfrxPDFView(Instance).LoadFromFile(Caller.Params[0])
else
if MethodName = 'CLEARPDF' then
TfrxPDFView(Instance).ClearPDF;
end;
end;
initialization
fsRTTIModules.Add(TFunctions);
finalization
if fsRTTIModules <> nil then
fsRTTIModules.Remove(TFunctions);
end.