unit13.pas

将指纹转换成图片,可以下载234132,DELPHI

unit Unit13;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Buttons, ExtCtrls;

type
  TForm13 = class(TForm)
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    BitBtn3: TBitBtn;
    BitBtn4: TBitBtn;
    Panel1: TPanel;
    Button1: TButton;
    procedure FormShow(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure BitBtn3Click(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
    procedure BitBtn2Click(Sender: TObject);
    procedure BitBtn4Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form13: TForm13;
  fpimage:array[1..240*240] of byte;
  fptemplate:array[1..3,1..256]of byte;
  fp1_count,fp2_count,fp3_count:integer;
  fp_user_id:string;

implementation


function     DFZ2003U_InitButton(hwnd1:HWND):integer;stdcall;
             external 'Dfz2003u.dll';
procedure    DFZ2003U_CloseButton;stdcall;
             external 'Dfz2003u.dll';
function     DFZ2003U_ReadFpImage(pImage:PChar;dwBufferSize:DWORD):integer;stdcall;
             external 'Dfz2003u.dll';
function     DFPOptDrawImage(h:HWND;Img:PChar;flag:integer):longint;stdcall;
             external 'DFPSDKOpt.dll';
function     DFPOptGetFeature(Img:PChar;ExternalFeature:PChar):integer;stdcall;
             external 'DFPSDKOpt.dll';
function     DFPOptMatchFinger( f1:Pchar;f2:PChar;SecurityLevel:integer):integer;stdcall;
             external 'DFPSDKOpt.dll';


{$R *.dfm}

procedure TForm13.FormShow(Sender: TObject);
begin
//   if DFZ2003U_InitButton(Handle)<> 1 then showmessage('指纹仪初始化失败');
   DFZ2003U_InitButton(Handle);
end;

procedure TForm13.FormClose(Sender: TObject; var Action: TCloseAction);
begin
   DFZ2003U_CloseButton;
end;

procedure TForm13.BitBtn3Click(Sender: TObject);
var
   hex_fp1,hex_fp2:string;
   i:integer;
begin
//   if DFZ2003U_InitButton(Handle)= 1 then showmessage('指纹仪初始化成功');

         hex_fp1:='0x';
         hex_fp2:='0x';
         for i:=1 to 256 do begin
            hex_fp1:=hex_fp1+IntToHex(fptemplate[1][i],2);
            hex_fp2:=hex_fp2+IntToHex(fptemplate[2][i],2);
         end;

{         with form1.sql_query do begin
            close;
            sql.Clear;
            sql.Add('update userid set fp1_count='+inttostr(fp1_count)+', fp1 ='+hex_fp1+', fp2_count='+inttostr(fp2_count)+', fp2 ='+hex_fp2+' where user_id='+''''+fp_user_id+'''');
            try
               execsql;
               showmessage('成功 保存');
            except
            end;
               close;
         end; }

end;

procedure TForm13.BitBtn1Click(Sender: TObject);
begin
   showmessage('请按好手指后，按确定键');
   if DFZ2003U_ReadFpImage(@fpimage,240*240)=1 then begin;
      DFPOptDrawImage(panel1.Handle,@fpimage,2);
      fp1_count:=DFPOptGetFeature(@fpimage,@fptemplate[1]);
      if fp1_count>10 then begin
         showmessage('登记成功！');
      end else begin
         showmessage('指纹图象不符合要求，请重新登记!');
      end;
   end else begin
      showmessage('指纹图象采集不到，请重试！');
   end;
end;

procedure TForm13.BitBtn2Click(Sender: TObject);
begin
   showmessage('请按好手指后，按确定键');
   if DFZ2003U_ReadFpImage(@fpimage,240*240)=1 then begin;
      DFPOptDrawImage(panel1.Handle,@fpimage,2);
      fp2_count:=DFPOptGetFeature(@fpimage,@fptemplate[2]);
      if fp2_count>10 then begin
         showmessage('登记成功！');
      end else begin
         showmessage('指纹图象不符合要求，请重新登记!');
      end;
   end else begin
      showmessage('指纹图象采集不到，请重试！');
   end;
end;

procedure TForm13.BitBtn4Click(Sender: TObject);
begin
//   if DFPOptMatchFinger( @fptemplate[1],@fptemplate[2],4)=1 then showmessage('比对成功') else showmessage('比对失败');
   close;
end;

procedure TForm13.Button1Click(Sender: TObject);
begin
  showmessage('请按好手指后，按确定键');
   if DFZ2003U_ReadFpImage(@fpimage,240*240)=1 then begin
      DFPOptDrawImage(panel1.Handle,@fpimage,2);
      fp3_count:=DFPOptGetFeature(@fpimage,@fptemplate[3]);

      if DFPOptMatchFinger( @fptemplate[3],@fptemplate[1],2)=1 then begin
         showmessage('比对成功！');
      end else begin
         if DFPOptMatchFinger( @fptemplate[3],@fptemplate[2],2)=1 then begin
            showmessage('比对成功!');
         end else begin
            showmessage('比对失败！');
         end;
      end;
   end else begin
      showmessage('指纹图象采集不到，请重试！');
   end;
end;

end.