unit ToolFunctionUnit;

interface

uses
  Windows, SysUtils, Variants, Classes, CameraParamsUnit;

// Declare interface of MV_CAMCTRL_API
function  MV_CC_EnumerateTls():Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_GetSDKVersion():Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_EnumDevices(nTLayerType:DWORD; Var pstDevList:MV_CC_DEVICE_INFO_LIST):Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_CreateHandle(Var handle: PPointer; Var pstDevInfo: MV_CC_DEVICE_INFO):Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_OpenDevice(Var handle: Pointer; nAccessMode : DWORD=1; nSwitchoverKey:Word=0):Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_CloseDevice(Var handle: Pointer):Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_DestroyHandle(Var handle: Pointer):Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_StartGrabbing(Var handle: Pointer):Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_Display(Var handle: Pointer; hWnd: Integer):Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_StopGrabbing(Var handle: Pointer):Integer; stdcall; external 'MvCameraControl.dll';

function  MV_CC_GetOneFrameTimeout(Var handle: Pointer; pData: PAnsiChar; nDataSize: Cardinal; pFrameInfo: PMV_FRAME_OUT_INFO_EX; nMsec: Integer):Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_SaveImageEx2(Var handle: Pointer; pSaveParam: PMV_SAVE_IMAGE_PARAM_EX):Integer; stdcall; external 'MvCameraControl.dll';

function  MV_CC_GetIntValue(Var handle: Pointer; const strKey: PAnsiChar; pIntValue: PMVCC_INTVALUE):Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_SetIntValue(Var handle: Pointer; const strKey: PAnsiChar; nValue: Cardinal):Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_GetEnumValue(Var handle: Pointer; const strKey: PAnsiChar; pEnumValue: PMVCC_ENUMVALUE):Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_SetEnumValue(Var handle: Pointer; const strKey: PAnsiChar; nValue: Cardinal):Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_GetFloatValue(Var handle: Pointer; const strKey: PAnsiChar; pFloatValue: PSingle):Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_SetFloatValue(Var handle: Pointer; const strKey: PAnsiChar; fValue: Single):Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_GetBoolValue(Var handle: Pointer; const strKey: PAnsiChar; pBoolValue: PBool):Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_SetBoolValue(Var handle: Pointer; const strKey: PAnsiChar; bBoolValue: Bool):Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_GetStringValue(Var handle: Pointer; const strKey: PAnsiChar; pStringValue: PMVCC_STRINGVALUE ):Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_SetStringValue(Var handle: Pointer; const strKey: PAnsiChar; sValue: PAnsiChar ):Integer; stdcall; external 'MvCameraControl.dll';
function  MV_CC_SetCommandValue(Var handle: Pointer; const strKey: PAnsiChar ):Integer; stdcall; external 'MvCameraControl.dll';

function  MV_CC_GetOptimalPacketSize(Var handle: Pointer):Integer; stdcall; external 'MvCameraControl.dll';


// Support common operation
function GigeDeviceInfoToShow( pDeviceInfo:MV_CC_DEVICE_INFO; Var pInfoToShow:string): Integer;
function USB3DeviceInfoToShow( pDeviceInfo:MV_CC_DEVICE_INFO; Var pInfoToShow:string): Integer;

function GetIntValue( hDevHandle: PPointer; const strKey: String; pnIntValue: PCardinal): Integer;
function SetIntValue( hDevHandle: PPointer; const strKey: String; nIntValue: Cardinal): Integer;
function GetEnumValue( hDevHandle: PPointer; const strKey: String; pnEnumValue: PCardinal): Integer;
function SetEnumValue( hDevHandle: PPointer; const strKey: String; nEnumValue: Cardinal): Integer;
function GetFloatValue( hDevHandle: PPointer; Const strKey: String; pfFloatValue: pSingle): Integer;
function SetFloatValue( hDevHandle: PPointer; const strKey: String; fFloatValue: Single): Integer;
function GetBoolValue( hDevHandle: PPointer; const strKey: String; pbBoolValue: PBool): Integer;
function SetBoolValue( hDevHandle: PPointer; const strKey: String; bBoolValue: Bool): Integer;
function GetStringValue( hDevHandle: PPointer; const strKey: String; Var pStrValue: String):Integer;
function SetStringValue( hDevHandle: PPointer; const strKey: String; pstrValue: String ):Integer;
function SetCommandValue( hDevHandle: PPointer; const strKey: String ):Integer;

// Convert the C-Style char sequences to String
function _FormaCtName(const Format: string): string;  cdecl;
// allows us to use "varargs" in Delphi
const  FormatCName: function(const Format: string): string; cdecl varargs = _FormaCtName;


implementation

Var
  ShowCalendar: THandle;

// Parse and display the Gige device information
function GigeDeviceInfoToShow( pDeviceInfo:MV_CC_DEVICE_INFO; Var pInfoToShow:string): Integer;
Var
  nIp1 : Integer;
  nIp2 : Integer;
  nIp3 : Integer;
  nIp4 : Integer;
  strUserName: PAnsiChar;

begin
  nIp1 := ((pDeviceInfo.SpecialInfo.stGigEInfo.nCurrentIp and $ff000000) shr 24 );
  nIp2 := ((pDeviceInfo.SpecialInfo.stGigEInfo.nCurrentIp and $00ff0000) shr 16 );
  nIp3 := ((pDeviceInfo.SpecialInfo.stGigEInfo.nCurrentIp and $0000ff00) shr 8 );
  nIp4 := (pDeviceInfo.SpecialInfo.stGigEInfo.nCurrentIp and $000000ff);

  if 0<>pDeviceInfo.SpecialInfo.stGigEInfo.chUserDefinedName[0] then
  begin
    strUserName := PAnsiChar(@pDeviceInfo.SpecialInfo.stGigEInfo.chUserDefinedName);
  end
  else
  begin
    strUserName := PAnsiChar(@pDeviceInfo.SpecialInfo.stGigEInfo.chManufacturerName);
  end;
  pInfoToShow := 'GigE: ' + strUserName + ' (' + IntToStr(nIp1) + '.' + IntToStr(nIp2) + '.' + IntToStr(nIp3) + '.' + IntToStr(nIp4) + ')';
  Result := MV_OK;
end;


// Parse and display the U3V device information
function USB3DeviceInfoToShow( pDeviceInfo:MV_CC_DEVICE_INFO; Var pInfoToShow:string): Integer;
Var
  strUserName: PAnsiChar;
begin
  if 0<>pDeviceInfo.SpecialInfo.stUsb3VInfo.chUserDefinedName[0] then
  begin
    strUserName := PAnsiChar(@pDeviceInfo.SpecialInfo.stUsb3VInfo.chUserDefinedName);
  end
  else
  begin
    strUserName := PAnsiChar(@pDeviceInfo.SpecialInfo.stUsb3VInfo.chManufacturerName);
  end;
  pInfoToShow := 'UsbV3: ' + strUserName;
  Result := MV_OK;
end;


// Get Integer value
function GetIntValue( hDevHandle: PPointer; const strKey: String; pnIntValue: PCardinal): Integer;
Var
  pAnsiKey: PAnsiChar;
  nIntNode: MVCC_INTVALUE;

begin
  if (Nil = hDevHandle) or (0 = length(strKey)) or (Nil = pnIntValue) then
  begin
    Result := MV_E_PARAMETER;
    exit
  end;

  pAnsiKey := PAnsiChar(AnsiString(strKey));
  ZeroMemory(@nIntNode, sizeof(MVCC_INTVALUE));
  Result := MV_CC_GetIntValue(hDevHandle^, pAnsiKey, @nIntNode);
  pnIntValue^ := nIntNode.nCurValue;
end;

// Set Integer value
function SetIntValue( hDevHandle: PPointer; const strKey: String; nIntValue: Cardinal): Integer;
Var
  pAnsiKey: PAnsiChar;

begin
  if (Nil = hDevHandle) or (0 = length(strKey)) then
  begin
    Result := MV_E_PARAMETER;
    exit
  end;

  pAnsiKey := PAnsiChar(AnsiString(strKey));
  Result := MV_CC_SetIntValue(hDevHandle^, pAnsiKey, nIntValue);
end;


// Get Enum value
function GetEnumValue( hDevHandle: PPointer; const strKey: String; pnEnumValue: PCardinal): Integer;
Var
  pAnsiKey: PAnsiChar;
  enEnumNode: MVCC_ENUMVALUE;

begin
  if (Nil = hDevHandle) or (0 = length(strKey)) or (Nil = pnEnumValue) then
  begin
    Result := MV_E_PARAMETER;
    exit
  end;

  pAnsiKey := PAnsiChar(AnsiString(strKey));
  ZeroMemory(@enEnumNode, sizeof(MVCC_ENUMVALUE));
  Result := MV_CC_GetEnumValue(hDevHandle^, pAnsiKey, @enEnumNode);
  pnEnumValue^ := enEnumNode.nCurValue;
end;


// Set Enum value
function SetEnumValue( hDevHandle: PPointer; const strKey: String; nEnumValue: Cardinal): Integer;
Var
  pAnsiKey: PAnsiChar;

begin
  if (Nil = hDevHandle) or (0 = length(strKey)) then
  begin
    Result := MV_E_PARAMETER;
    exit
  end;

  pAnsiKey := PAnsiChar(AnsiString(strKey));
  Result := MV_CC_SetEnumValue(hDevHandle^, pAnsiKey, nEnumValue);
end;


// Get Float value
function GetFloatValue( hDevHandle: PPointer; const strKey: String; pfFloatValue: PSingle): Integer;
Var
  pAnsiKey: PAnsiChar;
  fFloatNode: MVCC_FLOATVALUE;

begin
  if (Nil = hDevHandle) or (0 = length(strKey)) or (Nil = pfFloatValue) then
  begin
    Result := MV_E_PARAMETER;
    exit
  end;

  pAnsiKey := PAnsiChar(AnsiString(strKey));
  ZeroMemory(@fFloatNode, sizeof(MVCC_FLOATVALUE));
  Result := MV_CC_GetFloatValue(hDevHandle^, pAnsiKey, @fFloatNode);

  pfFloatValue^ := fFloatNode.fCurValue;
end;


// Set Float value
function SetFloatValue( hDevHandle: PPointer; const strKey: String; fFloatValue: Single): Integer;
Var
  pAnsiKey: PAnsiChar;

begin
  if (Nil = hDevHandle) or (0 = length(strKey)) then
  begin
    Result := MV_E_PARAMETER;
    exit
  end;

  pAnsiKey := PAnsiChar(AnsiString(strKey));
  Result := MV_CC_SetFloatValue(hDevHandle^, pAnsiKey, fFloatValue);
end;


// Get Boolean value
function GetBoolValue( hDevHandle: PPointer; const strKey: String; pbBoolValue: PBool): Integer;
Var
  pAnsiKey: PAnsiChar;
  nBoolNode: Bool;

begin
  if (Nil = hDevHandle) or (0 = length(strKey)) or (Nil = pbBoolValue) then
  begin
    Result := MV_E_PARAMETER;
    exit
  end;

  pAnsiKey := PAnsiChar(AnsiString(strKey));
  Result := MV_CC_GetBoolValue(hDevHandle^, pAnsiKey, @nBoolNode);
  pbBoolValue^ := nBoolNode;
end;


// Set Boolean value
function SetBoolValue( hDevHandle: PPointer; const strKey: String; bBoolValue: Bool): Integer;
Var
  pAnsiKey: PAnsiChar;

begin
  if (Nil = hDevHandle) or (0 = length(strKey)) then
  begin
    Result := MV_E_PARAMETER;
    exit
  end;

  pAnsiKey := PAnsiChar(AnsiString(strKey));
  Result := MV_CC_SetBoolValue(hDevHandle^, pAnsiKey, bBoolValue);
end;


// Get String value
function GetStringValue( hDevHandle: PPointer; const strKey: String; Var pStrValue: String):Integer;
Var
  pAnsiKey: PAnsiChar;
  strNode: MVCC_STRINGVALUE;

begin
  if (Nil = hDevHandle) or (0 = length(strKey)) then
  begin
    Result := MV_E_PARAMETER;
    exit
  end;

  pAnsiKey := PAnsiChar(AnsiString(strKey));
  ZeroMemory(@strNode, sizeof(MVCC_STRINGVALUE));
  Result := MV_CC_GetStringValue(hDevHandle^, pAnsiKey, @strNode);
  pStrValue:=PAnsiChar(@(strNode.chCurValue));
end;


// Set String value
function SetStringValue( hDevHandle: PPointer; const strKey: String; pstrValue: String ):Integer;
Var
  pAnsiKey: PAnsiChar;
  pAnsiValue: PAnsiChar;

begin
  if (Nil = hDevHandle) or (0 = length(strKey)) then
  begin
    Result := MV_E_PARAMETER;
    exit
  end;

  pAnsiKey := PAnsiChar(AnsiString(strKey));
  pAnsiValue := PAnsiChar(AnsiString(pstrValue));
  Result := MV_CC_SetStringValue(hDevHandle^, pAnsiKey, pAnsiValue);
end;


// Set Command value
function SetCommandValue( hDevHandle: PPointer; const strKey: String ):Integer;
Var
  pAnsiKey: PAnsiChar;

begin
  if (Nil = hDevHandle) or (0 = length(strKey)) then
  begin
    Result := MV_E_PARAMETER;
    exit
  end;

  pAnsiKey := PAnsiChar(AnsiString(strKey));
  Result := MV_CC_SetCommandValue(hDevHandle^, pAnsiKey);
end;


// Convert the C-Style char sequences to String
function _FormaCtName(const Format: string): string; cdecl;
const
  StackSlotSize = SizeOf(Pointer);
var
  Args: va_list;
  Buffer: array[0..63] of Char;
begin
  Args := va_list(PAnsiChar(@Format) + ((SizeOf(Format) + StackSlotSize - 1) and not (StackSlotSize - 1)));
  SetString(Result, Buffer, wvsprintf(Buffer, PChar(Format), Args));
end;


end.