Componentes.Terceros.jcl/official/1.96/source/vcl/JclPrint.pas

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38 KiB
ObjectPascal

{**************************************************************************************************}
{ }
{ Project JEDI Code Library (JCL) }
{ }
{ The contents of this file are subject to the Mozilla Public License Version 1.1 (the "License"); }
{ you may not use this file except in compliance with the License. You may obtain a copy of the }
{ License at http://www.mozilla.org/MPL/ }
{ }
{ Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF }
{ ANY KIND, either express or implied. See the License for the specific language governing rights }
{ and limitations under the License. }
{ }
{ The Original Code is JclPrint.pas. }
{ }
{ The Initial Developers of the Original Code are unknown. }
{ Portions created by these individuals are Copyright (C) of these individuals. }
{ All rights reserved. }
{ }
{ The Initial Developer of the function DPSetDefaultPrinter is Microsoft. Portions created by }
{ Microsoft are Copyright (C) 2004 Microsoft Corporation. All Rights Reserved. }
{ }
{ Contributors: }
{ Marcel van Brakel }
{ Matthias Thoma (mthoma) }
{ }
{**************************************************************************************************}
// Last modified: $Date: 2005/10/30 01:55:34 $
// For history see end of file
unit JclPrint;
{$I jcl.inc}
{$I windowsonly.inc}
interface
uses
Windows, Classes, StdCtrls, SysUtils,
JclBase;
const
CCHBinName = 24;
CCHPaperName = 64;
CBinMax = 256;
CPaperNames = 256;
type
PWordArray = ^TWordArray;
TWordArray = array [0..255] of Word;
type
EJclPrinterError = class(EJclError);
TJclPrintSet = class(TObject)
private
FDevice: PChar; { TODO : change to string }
FDriver: PChar;
FPort: PChar;
FHandle: THandle;
FDeviceMode: PDeviceModeA;
FPrinter: Integer;
FBinArray: PWordArray;
FNumBins: Byte;
FPaperArray: PWordArray;
FNumPapers: Byte;
FDpiX: Integer;
FiDpiY: Integer;
procedure CheckPrinter;
procedure SetBinArray;
procedure SetPaperArray;
function DefaultPaperName(const PaperID: Word): string;
protected
procedure SetOrientation(Orientation: Integer);
function GetOrientation: Integer;
procedure SetPaperSize(Size: Integer);
function GetPaperSize: Integer;
procedure SetPaperLength(Length: Integer);
function GetPaperLength: Integer;
procedure SetPaperWidth(Width: Integer);
function GetPaperWidth: Integer;
procedure SetScale(Scale: Integer);
function GetScale: Integer;
procedure SetCopies(Copies: Integer);
function GetCopies: Integer;
procedure SetBin(Bin: Integer);
function GetBin: Integer;
procedure SetPrintQuality(Quality: Integer);
function GetPrintQuality: Integer;
procedure SetColor(Color: Integer);
function GetColor: Integer;
procedure SetDuplex(Duplex: Integer);
function GetDuplex: Integer;
procedure SetYResolution(YRes: Integer);
function GetYResolution: Integer;
procedure SetTrueTypeOption(Option: Integer);
function GetTrueTypeOption: Integer;
function GetPrinterName: string;
function GetPrinterPort: string;
function GetPrinterDriver: string;
procedure SetBinFromList(BinNum: Byte);
function GetBinIndex: Byte;
procedure SetPaperFromList(PaperNum: Byte);
function GetPaperIndex: Byte;
procedure SetPort(Port: string);
public
constructor Create; virtual;
destructor Destroy; override;
{$IFDEF KEEP_DEPRECATED}
{ TODO : Find a solution for deprecated }
function GetBinSourceList: TStringList; overload; {$IFDEF SUPPORTS_DEPRECATED} deprecated; {$ENDIF}
function GetPaperList: TStringList; overload; {$IFDEF SUPPORTS_DEPRECATED} deprecated; {$ENDIF}
{$ENDIF KEEP_DEPRECATED}
procedure GetBinSourceList(List: TStrings); overload;
procedure GetPaperList(List: TStrings); overload;
procedure SetDeviceMode(Creating: Boolean);
procedure UpdateDeviceMode;
procedure SaveToDefaults;
procedure SavePrinterAsDefault;
procedure ResetPrinterDialogs;
function XInchToDot(const Inches: Double): Integer;
function YInchToDot(const Inches: Double): Integer;
function XCmToDot(const Cm: Double): Integer;
function YCmToDot(const Cm: Double): Integer;
function CpiToDot(const Cpi, Chars: Double): Integer;
function LpiToDot(const Lpi, Lines: Double): Integer;
procedure TextOutInch(const X, Y: Double; const Text: string);
procedure TextOutCm(const X, Y: Double; const Text: string);
procedure TextOutCpiLpi(const Cpi, Chars, Lpi, Lines: Double; const Text: string);
procedure CustomPageSetup(const Width, Height: Double);
procedure SaveToIniFile(const IniFileName, Section: string);
function ReadFromIniFile(const IniFileName, Section: string): Boolean;
property Orientation: Integer read GetOrientation write SetOrientation;
property PaperSize: Integer read GetPaperSize write SetPaperSize;
property PaperLength: Integer read GetPaperLength write SetPaperLength;
property PaperWidth: Integer read GetPaperWidth write SetPaperWidth;
property Scale: Integer read GetScale write SetScale;
property Copies: Integer read GetCopies write SetCopies;
property DefaultSource: Integer read GetBin write SetBin;
property PrintQuality: Integer read GetPrintQuality write SetPrintQuality;
property Color: Integer read GetColor write SetColor;
property Duplex: Integer read GetDuplex write SetDuplex;
property YResolution: Integer read GetYResolution write SetYResolution;
property TrueTypeOption: Integer read GetTrueTypeOption write SetTrueTypeOption;
property PrinterName: string read GetPrinterName;
property PrinterPort: string read GetPrinterPort write SetPort;
property PrinterDriver: string read GetPrinterDriver;
property BinIndex: Byte read GetBinIndex write SetBinFromList;
property PaperIndex: Byte read GetPaperIndex write SetPaperFromList;
property DpiX: Integer read FDpiX write FDpiX;
property DpiY: Integer read FiDpiY write FiDpiY;
end;
procedure DirectPrint(const Printer, Data: string);
procedure SetPrinterPixelsPerInch;
function GetPrinterResolution: TPoint;
function CharFitsWithinDots(const Text: string; const Dots: Integer): Integer;
//procedure PrintTextRotation(X, Y: Integer; Rotation: Word; Text: string);
procedure PrintMemo(const Memo: TMemo; const Rect: TRect);
function GetDefaultPrinterName: string;
function DPGetDefaultPrinter(out PrinterName: string): Boolean;
function DPSetDefaultPrinter(const PrinterName: string): Boolean;
implementation
uses
Graphics, IniFiles, Messages, Printers, WinSpool,
JclSysInfo, JclResources;
const
PrintIniPrinterName = 'PrinterName';
PrintIniPrinterPort = 'PrinterPort';
PrintIniOrientation = 'Orientation';
PrintIniPaperSize = 'PaperSize';
PrintIniPaperLength = 'PaperLength';
PrintIniPaperWidth = 'PaperWidth';
PrintIniScale = 'Scale';
PrintIniCopies = 'Copies';
PrintIniDefaultSource = 'DefaultSource';
PrintIniPrintQuality = 'PrintQuality';
PrintIniColor = 'Color';
PrintIniDuplex = 'Duplex';
PrintIniYResolution = 'YResolution';
PrintIniTTOption = 'TTOption';
cWindows: PChar = 'windows';
cDevice = 'device';
cPrintSpool = 'winspool.drv';
// Misc. functions
procedure DirectPrint(const Printer, Data: string);
const
cRaw = 'RAW';
type
TDoc_Info_1 = record
DocName: PChar;
OutputFile: PChar;
Datatype: PChar;
end;
var
PrinterHandle: THandle;
DocInfo: TDoc_Info_1;
BytesWritten: Cardinal;
Count: Cardinal;
Defaults: TPrinterDefaults;
begin
// Defaults added for network printers. Supposedly the last member is ignored
// by Windows 9x but is necessary for Windows NT. Code was copied from a msg
// by Alberto Toledo to the C++ Builder techlist and fwd by Theo Bebekis.
Defaults.pDatatype := cRaw;
Defaults.pDevMode := nil;
Defaults.DesiredAccess := PRINTER_ACCESS_USE;
Count := Length(Data);
if not OpenPrinter(PChar(Printer), PrinterHandle, @Defaults) then
raise EJclPrinterError.CreateRes(@RsInvalidPrinter);
// Fill in the structure with info about this "document"
DocInfo.DocName := PChar(RsSpoolerDocName);
DocInfo.OutputFile := nil;
DocInfo.Datatype := cRaw;
try
// Inform the spooler the document is beginning
if StartDocPrinter(PrinterHandle, 1, @DocInfo) = 0 then
EJclPrinterError.CreateRes(@RsNAStartDocument);
try
// Start a page
if not StartPagePrinter(PrinterHandle) then
EJclPrinterError.CreateRes(@RsNAStartPage);
try
// Send the data to the printer
if not WritePrinter(PrinterHandle, @Data, Count, BytesWritten) then
EJclPrinterError.CreateRes(@RsNASendData);
finally
// End the page
if not EndPagePrinter(PrinterHandle) then
EJclPrinterError.CreateRes(@RsNAEndPage);
end;
finally
// Inform the spooler that the document is ending
if not EndDocPrinter(PrinterHandle) then
EJclPrinterError.CreateRes(@RsNAEndDocument);
end;
finally
// Tidy up the printer handle
ClosePrinter(PrinterHandle);
end;
// Check to see if correct number of bytes written
if BytesWritten <> Count then
EJclPrinterError.CreateRes(@RsNATransmission);
end;
procedure SetPrinterPixelsPerInch;
var
FontSize: Integer;
begin
FontSize := Printer.Canvas.Font.Size;
Printer.Canvas.Font.PixelsPerInch := GetDeviceCaps(Printer.Handle, LogPixelsY);
Printer.Canvas.Font.Size := FontSize;
end;
function GetPrinterResolution: TPoint;
begin
Result.X := GetDeviceCaps(Printer.Handle, LogPixelsX);
Result.Y := GetDeviceCaps(Printer.Handle, LogPixelsY);
end;
function CharFitsWithinDots(const Text: string; const Dots: Integer): Integer;
begin
Result := Length(Text);
while (Result > 0) and (Printer.Canvas.TextWidth(Copy(Text, 1, Result)) > Dots) do
Dec(Result);
end;
//WIMDC: The function CanvasTextOutRotation contains a bug in DxGraphics so no need to
// implement it right now here
(*
procedure PrintTextRotation(X, Y: Integer; Rotation: Word; Text: string);
begin
CanvasTextOutRotation(Printer.Canvas, X, Y, Rotation, Text);
end;
*)
//WIMDC took the function from DXGraphics and replaced some lines to work with the TStrings class
// of the memo.
procedure CanvasMemoOut(Canvas: TCanvas; Memo: TMemo; Rect: TRect);
var
MemoText: PChar;
begin
MemoText := Memo.Lines.GetText;
if MemoText <> nil then
try
DrawText(Canvas.Handle, MemoText, StrLen(MemoText), Rect,
DT_LEFT or DT_EXPANDTABS or DT_WORDBREAK);
finally
StrDispose(MemoText);
end;
end;
procedure PrintMemo(const Memo: TMemo; const Rect: TRect);
begin
CanvasMemoOut(Printer.Canvas, Memo, Rect);
end;
function GetDefaultPrinterName: string;
begin
DPGetDefaultPrinter(Result);
end;
{ TODO -cHelp : DPGetDefaultPrinter, Author: Microsoft }
// DPGetDefaultPrinter
// Parameters:
// PrinterName: Return the printer name.
// Returns: True for success, False for failure.
// Source of the original code: Microsoft Knowledge Base Article - 246772
// http://support.microsoft.com/default.aspx?scid=kb;en-us;246772
function DPGetDefaultPrinter(out PrinterName: string): Boolean;
const
BUFSIZE = 8192;
type
TGetDefaultPrinter = function(Buffer: PChar; var Size: DWORD): BOOL; stdcall;
var
Needed, Returned: DWORD;
PI2: PPrinterInfo2;
WinVer: TWindowsVersion;
hWinSpool: HMODULE;
GetDefPrint: TGetDefaultPrinter;
Size: DWORD;
begin
Result := False;
PrinterName := '';
WinVer := GetWindowsVersion;
// Windows 9x uses EnumPrinters
if WinVer in [wvWin95, wvWin95OSR2, wvWin98, wvWin98SE, wvWinME] then
begin
SetLastError(0);
Result := EnumPrinters(PRINTER_ENUM_DEFAULT, nil, 2, nil, 0, Needed, Returned);
if not Result and ((GetLastError <> ERROR_INSUFFICIENT_BUFFER) or (Needed = 0)) then
Exit;
GetMem(PI2, Needed);
try
Result := EnumPrinters(PRINTER_ENUM_DEFAULT, nil, 2, PI2, Needed, Needed, Returned);
if Result then
PrinterName := PI2^.pPrinterName;
finally
FreeMem(PI2);
end;
end
else
// Win NT uses WIN.INI (registry)
if WinVer in [wvWinNT31, wvWinNT35, wvWinNT351, wvWinNT4] then
begin
SetLength(PrinterName, BUFSIZE);
Result := GetProfileString(cWindows, cDevice, ',,,', PChar(PrinterName), BUFSIZE) > 0;
if Result then
PrinterName := Copy(PrinterName, 1, Pos(',', PrinterName) - 1)
else
PrinterName := '';
end
else
// >= Win 2000 uses GetDefaultPrinter
begin
hWinSpool := LoadLibrary(cPrintSpool);
if hWinSpool <> 0 then
try
@GetDefPrint := GetProcAddress(hWinSpool, 'GetDefaultPrinterA');
if not Assigned(GetDefPrint) then
Exit;
Size := BUFSIZE;
SetLength(PrinterName, Size);
Result := GetDefPrint(PChar(PrinterName), Size);
if Result then
SetLength(PrinterName, StrLen(PChar(PrinterName)))
else
PrinterName := '';
finally
FreeLibrary(hWinSpool);
end;
end;
end;
{ TODO -cHelp : DPSetDefaultPrinter, Author: Microsoft }
// DPSetDefaultPrinter
// Parameters:
// PrinterName: Valid name of existing printer to make default.
// Returns: True for success, False for failure.
// Source of the original code: Microsoft Knowledge Base Article - 246772
// http://support.microsoft.com/default.aspx?scid=kb;en-us;246772
function DPSetDefaultPrinter(const PrinterName: string): Boolean;
type
TSetDefaultPrinter = function(APrinterName: PChar): BOOL; stdcall;
var
Needed: DWORD;
PI2: PPrinterInfo2;
WinVer: TWindowsVersion;
hPrinter: THandle;
hWinSpool: HMODULE;
SetDefPrint: TSetDefaultPrinter;
PrinterStr: string;
begin
Result := False;
if PrinterName = '' then
Exit;
WinVer := GetWindowsVersion;
if WinVer in [wvWin95, wvWin95OSR2, wvWin98, wvWin98SE, wvWinME] then
begin
Result := OpenPrinter(PChar(PrinterName), hPrinter, nil);
if Result and (hPrinter <> 0) then
try
SetLastError(0);
Result := GetPrinter(hPrinter, 2, nil, 0, @Needed);
if not Result and ((GetLastError <> ERROR_INSUFFICIENT_BUFFER) or (Needed = 0)) then
Exit;
GetMem(PI2, Needed);
try
Result := GetPrinter(hPrinter, 2, PI2, Needed, @Needed);
if Result then
begin
PI2^.Attributes := PI2^.Attributes or PRINTER_ATTRIBUTE_DEFAULT;
Result := SetPrinter(hPrinter, 2, PI2, 0);
if Result then
SendMessageTimeout(HWND_BROADCAST, WM_SETTINGCHANGE, 0,
LPARAM(cWindows), SMTO_NORMAL, 1000, Needed);
end;
finally
FreeMem(PI2);
end;
finally
ClosePrinter(hPrinter);
end;
end
else
// Win NT uses WIN.INI (registry)
if WinVer in [wvWinNT31, wvWinNT35, wvWinNT351, wvWinNT4] then
begin
Result := OpenPrinter(PChar(PrinterName), hPrinter, nil);
if Result and (hPrinter <> 0) then
try
SetLastError(0);
Result := GetPrinter(hPrinter, 2, nil, 0, @Needed);
if not Result and ((GetLastError <> ERROR_INSUFFICIENT_BUFFER) or (Needed = 0)) then
Exit;
GetMem(PI2, Needed);
try
Result := GetPrinter(hPrinter, 2, PI2, Needed, @Needed);
if Result and (PI2^.pDriverName <> nil) and (PI2^.pPortName <> nil) then
begin
PrinterStr := PrinterName + ',' + PI2^.pDriverName + ',' + PI2^.pPortName;
Result := WriteProfileString(cWindows, cDevice, PChar(PrinterStr));
if Result then
SendMessageTimeout(HWND_BROADCAST, WM_SETTINGCHANGE, 0, 0,
SMTO_NORMAL, 1000, Needed);
end;
finally
FreeMem(PI2);
end;
finally
ClosePrinter(hPrinter);
end;
end
else
// >= Win 2000 uses SetDefaultPrinter
begin
hWinSpool := LoadLibrary(cPrintSpool);
if hWinSpool <> 0 then
try
@SetDefPrint := GetProcAddress(hWinSpool, 'SetDefaultPrinterA');
if Assigned(SetDefPrint) then
Result := SetDefPrint(PChar(PrinterName));
finally
FreeLibrary(hWinSpool);
end;
end;
end;
// TJclPrintSet
constructor TJclPrintSet.Create;
begin
inherited Create;
FBinArray := nil;
FPaperArray := nil;
FPrinter := -99; { TODO : why -99 }
GetMem(FDevice, 255);
GetMem(FDriver, 255);
GetMem(FPort, 255);
end;
destructor TJclPrintSet.Destroy;
begin
if FBinArray <> nil then
FreeMem(FBinArray, FNumBins * SizeOf(Word));
if FPaperArray <> nil then
FreeMem(FPaperArray, FNumPapers * SizeOf(Word));
if FDevice <> nil then
FreeMem(FDevice, 255);
if FDriver <> nil then
FreeMem(FDriver, 255);
if FPort <> nil then
FreeMem(FPort, 255);
inherited Destroy;
end;
procedure TJclPrintSet.CheckPrinter;
begin
if FPrinter <> Printer.PrinterIndex then
begin
Printer.GetPrinter(FDevice, FDriver, FPort, FHandle);
Printer.SetPrinter(FDevice, FDriver, FPort, FHandle);
SetDeviceMode(False);
end;
end;
procedure TJclPrintSet.SetBinArray;
var
NumBinsRec: Integer;
begin
if FBinArray <> nil then
FreeMem(FBinArray, FNumBins * SizeOf(Word));
FBinArray := nil;
FNumBins := DeviceCapabilities(FDevice, FPort, DC_Bins, nil, FDeviceMode);
if FNumBins > 0 then
begin
GetMem(FBinArray, FNumBins * SizeOf(Word));
NumBinsRec := DeviceCapabilities(FDevice, FPort, DC_Bins,
PChar(FBinArray), FDeviceMode);
if NumBinsRec <> FNumBins then
raise EJclPrinterError.CreateRes(@RsRetrievingSource);
end;
end;
procedure TJclPrintSet.SetPaperArray;
var
NumPapersRec: Integer;
begin
if FPaperArray <> nil then
FreeMem(FPaperArray, FNumPapers * SizeOf(Word));
FNumPapers := DeviceCapabilities(FDevice, FPort, DC_Papers, nil, FDeviceMode);
if FNumPapers > 0 then
begin
GetMem(FPaperArray, FNumPapers * SizeOf(Word));
NumPapersRec := DeviceCapabilities(FDevice, FPort, DC_Papers,
PChar(FPaperArray), FDeviceMode);
if NumPapersRec <> FNumPapers then
raise EJclPrinterError.CreateRes(@RsRetrievingPaperSource);
end
else
FPaperArray := nil;
end;
{ TODO : complete this list }
// Since Win32 the strings are stored in the printer driver, no chance to get
// a list from Windows
function TJclPrintSet.DefaultPaperName(const PaperID: Word): string;
begin
case PaperID of
dmpaper_Letter:
Result := RsPSLetter;
dmpaper_LetterSmall:
Result := RsPSLetter;
dmpaper_Tabloid:
Result := RsPSTabloid;
dmpaper_Ledger:
Result := RsPSLedger;
dmpaper_Legal:
Result := RsPSLegal;
dmpaper_Statement:
Result := RsPSStatement;
dmpaper_Executive:
Result := RsPSExecutive;
dmpaper_A3:
Result := RsPSA3;
dmpaper_A4:
Result := RsPSA4;
dmpaper_A4Small:
Result := RsPSA4;
dmpaper_A5:
Result := RsPSA5;
dmpaper_B4:
Result := RsPSB4;
dmpaper_B5:
Result := RsPSB5;
dmpaper_Folio:
Result := RsPSFolio;
dmpaper_Quarto:
Result := RsPSQuarto;
dmpaper_10X14:
Result := RsPS10x14;
dmpaper_11X17:
Result := RsPS11x17;
dmpaper_Note:
Result := RsPSNote;
dmpaper_Env_9:
Result := RsPSEnv9;
dmpaper_Env_10:
Result := RsPSEnv10;
dmpaper_Env_11:
Result := RsPSEnv11;
dmpaper_Env_12:
Result := RsPSEnv12;
dmpaper_Env_14:
Result := RsPSEnv14;
dmpaper_CSheet:
Result := RsPSCSheet;
dmpaper_DSheet:
Result := RsPSDSheet;
dmpaper_ESheet:
Result := RsPSESheet;
dmpaper_User:
Result := RsPSUser;
else
Result := RsPSUnknown;
end;
end;
{$IFDEF KEEP_DEPRECATED}
function TJclPrintSet.GetBinSourceList: TStringList;
begin
Result := TStringList.Create;
try
GetBinSourceList(Result);
except
FreeAndNil(Result);
raise;
end;
end;
{$ENDIF KEEP_DEPRECATED}
procedure TJclPrintSet.GetBinSourceList(List: TStrings);
type
TBinName = array [0..CCHBinName - 1] of Char;
TBinArray = array [1..cBinMax] of TBinName;
PBinArray = ^TBinArray;
var
NumBinsRec: Integer;
BinArray: PBinArray;
BinStr: string;
Idx: Integer;
begin
CheckPrinter;
BinArray := nil;
if FNumBins = 0 then
Exit;
List.BeginUpdate;
try
GetMem(BinArray, FNumBins * SizeOf(TBinName));
List.Clear;
NumBinsRec := DeviceCapabilities(FDevice, FPort, DC_BinNames,
PChar(BinArray), FDeviceMode);
if NumBinsRec <> FNumBins then
raise EJclPrinterError.CreateRes(@RsRetrievingSource);
for Idx := 1 to NumBinsRec do
begin
BinStr := StrPas(BinArray^[Idx]);
List.Add(BinStr);
end;
finally
List.EndUpdate;
if BinArray <> nil then
FreeMem(BinArray, FNumBins * SizeOf(TBinName));
end;
end;
{$IFDEF KEEP_DEPRECATED}
function TJclPrintSet.GetPaperList: TStringList;
begin
Result := TStringList.Create;
try
GetPaperList(Result);
except
FreeAndNil(Result);
raise;
end;
end;
{$ENDIF KEEP_DEPRECATED}
procedure TJclPrintSet.GetPaperList(List: TStrings);
type
TPaperName = array [0..CCHPaperName - 1] of Char;
TPaperArray = array [1..cPaperNames] of TPaperName;
PPaperArray = ^TPaperArray;
var
NumPaperRec: Integer;
PaperArray: PPaperArray;
PaperStr: string;
Idx: Integer;
begin
CheckPrinter;
PaperArray := nil;
if FNumPapers = 0 then
Exit;
List.BeginUpdate;
List.Clear;
try
GetMem(PaperArray, FNumPapers * SizeOf(TPaperName));
NumPaperRec := DeviceCapabilities(FDevice, FPort, DC_PaperNames,
PChar(PaperArray), FDeviceMode);
if NumPaperRec <> FNumPapers then
begin
for Idx := 1 to FNumPapers do
begin
PaperStr := DefaultPaperName(FPaperArray^[Idx - 1]);
List.Add(PaperStr);
end;
end
else
begin
for Idx := 1 to NumPaperRec do
begin
PaperStr := StrPas(PaperArray^[Idx]);
List.Add(PaperStr);
end;
end;
finally
List.EndUpdate;
if PaperArray <> nil then
FreeMem(PaperArray, FNumPapers * SizeOf(TPaperName));
end;
end;
procedure TJclPrintSet.SetDeviceMode(Creating: Boolean);
var
Res: TPoint;
begin
Printer.GetPrinter(FDevice, FDriver, FPort, FHandle);
if FHandle = 0 then
begin
Printer.PrinterIndex := Printer.PrinterIndex;
Printer.GetPrinter(FDevice, FDriver, FPort, FHandle);
end;
if FHandle <> 0 then
begin
FDeviceMode := GlobalLock(FHandle);
FPrinter := Printer.PrinterIndex;
FDeviceMode^.dmFields := dm_Orientation or dm_PaperSize or
dm_PaperLength or dm_PaperWidth or
dm_Scale or dm_Copies or
dm_DefaultSource or dm_PrintQuality or
dm_Color or dm_Duplex or
dm_YResolution or dm_TTOption;
UpdateDeviceMode;
FDeviceMode^.dmFields := 0;
SetBinArray;
SetPaperArray;
end
else
begin
FDeviceMode := nil;
if not Creating then
raise EJclPrinterError.CreateRes(@RsDeviceMode);
FPrinter := -99;
end;
Res := GetPrinterResolution;
dpiX := Res.X;
dpiY := Res.Y;
if FHandle <> 0 then
GlobalUnLock(FHandle);
end;
procedure TJclPrintSet.UpdateDeviceMode;
var
DrvHandle: THandle;
ExtDevCode: Integer;
begin
CheckPrinter;
if OpenPrinter(FDevice, DrvHandle, nil) then
try
FDeviceMode^.dmFields := dm_Orientation or dm_PaperSize or
dm_PaperLength or dm_PaperWidth or
dm_Scale or dm_Copies or
dm_DefaultSource or dm_PrintQuality or
dm_Color or dm_Duplex or
dm_YResolution or dm_TTOption;
ExtDevCode := DocumentProperties(0, DrvHandle, FDevice,
FDeviceMode^, FDeviceMode^,
DM_IN_BUFFER or DM_OUT_BUFFER);
if ExtDevCode <> IDOK then
raise EJclPrinterError.CreateRes(@RsUpdatingPrinter);
finally
ClosePrinter(DrvHandle);
end;
end;
procedure TJclPrintSet.SaveToDefaults;
var
DrvHandle: THandle;
ExtDevCode: Integer;
begin
CheckPrinter;
OpenPrinter(FDevice, DrvHandle, nil);
ExtDevCode := DocumentProperties(0, DrvHandle, FDevice,
FDeviceMode^, FDeviceMode^, DM_IN_BUFFER or DM_UPDATE);
if ExtDevCode <> IDOK then
raise EJclPrinterError.CreateRes(@RsUpdatingPrinter)
else
SendMessage(HWND_BROADCAST, WM_SETTINGCHANGE, 0, 0);
ClosePrinter(DrvHandle);
end;
procedure TJclPrintSet.SavePrinterAsDefault;
begin
CheckPrinter;
DPSetDefaultPrinter(FDevice);
end;
procedure TJclPrintSet.ResetPrinterDialogs;
begin
Printer.GetPrinter(FDevice, FDriver, FPort, FHandle);
Printer.SetPrinter(FDevice, FDriver, FPort, FHandle);
SetDeviceMode(False);
end;
function TJclPrintSet.XInchToDot(const Inches: Double): Integer;
begin
Result := Trunc(DpiX * Inches);
end;
function TJclPrintSet.YInchToDot(const Inches: Double): Integer;
begin
Result := Trunc(DpiY * Inches);
end;
function TJclPrintSet.XCmToDot(const Cm: Double): Integer;
begin
Result := Trunc(DpiX * (Cm * 2.54));
end;
function TJclPrintSet.YCmToDot(const Cm: Double): Integer;
begin
Result := Trunc(DpiY * (Cm * 2.54));
end;
function TJclPrintSet.CpiToDot(const Cpi, Chars: Double): Integer;
begin
Result := Trunc((DpiX * Chars) / Cpi);
end;
function TJclPrintSet.LpiToDot(const Lpi, Lines: Double): Integer;
begin
Result := Trunc((DpiY * Lpi) / Lines);
end;
procedure TJclPrintSet.TextOutInch(const X, Y: Double; const Text: string);
begin
Printer.Canvas.TextOut(XInchToDot(X), YInchToDot(Y), Text);
end;
procedure TJclPrintSet.TextOutCm(const X, Y: Double; const Text: string);
begin
Printer.Canvas.TextOut(XCmToDot(X), YCmToDot(Y), Text);
end;
procedure TJclPrintSet.TextOutCpiLpi(const Cpi, Chars, Lpi, Lines: Double; const Text: string);
begin
Printer.Canvas.TextOut(CpiToDot(Cpi, Chars), LpiToDot(Lpi, Lines), Text);
end;
procedure TJclPrintSet.CustomPageSetup(const Width, Height: Double);
begin
PaperSize := dmPaper_User;
PaperLength := Trunc(254 * Height);
YResolution := Trunc(DpiY * Height);
PaperWidth := Trunc(254 * Width);
end;
procedure TJclPrintSet.SaveToIniFile(const IniFileName, Section: string);
var
PrIniFile: TIniFile;
CurrentName: string;
begin
PrIniFile := TIniFile.Create(IniFileName);
CurrentName := Printer.Printers[Printer.PrinterIndex];
PrIniFile.WriteString(Section, PrintIniPrinterName, CurrentName);
PrIniFile.WriteString(Section, PrintIniPrinterPort, PrinterPort);
PrIniFile.WriteInteger(Section, PrintIniOrientation, Orientation);
PrIniFile.WriteInteger(Section, PrintIniPaperSize, PaperSize);
PrIniFile.WriteInteger(Section, PrintIniPaperLength, PaperLength);
PrIniFile.WriteInteger(Section, PrintIniPaperWidth, PaperWidth);
PrIniFile.WriteInteger(Section, PrintIniScale, Scale);
PrIniFile.WriteInteger(Section, PrintIniCopies, Copies);
PrIniFile.WriteInteger(Section, PrintIniDefaultSource, DefaultSource);
PrIniFile.WriteInteger(Section, PrintIniPrintQuality, PrintQuality);
PrIniFile.WriteInteger(Section, PrintIniColor, Color);
PrIniFile.WriteInteger(Section, PrintIniDuplex, Duplex);
PrIniFile.WriteInteger(Section, PrintIniYResolution, YResolution);
PrIniFile.WriteInteger(Section, PrintIniTTOption, TrueTypeOption);
PrIniFile.Free;
end;
function TJclPrintSet.ReadFromIniFile(const IniFileName, Section: string): Boolean;
var
PrIniFile: TIniFile;
SavedName: string;
NewIndex: Integer;
begin
Result := False;
PrIniFile := TIniFile.Create(IniFileName);
SavedName := PrIniFile.ReadString(Section, PrintIniPrinterName, PrinterName);
if PrinterName <> SavedName then
begin
NewIndex := Printer.Printers.IndexOf(SavedName);
if NewIndex <> -1 then
begin
Result := True;
Printer.PrinterIndex := NewIndex;
PrinterPort := PrIniFile.ReadString(Section, PrintIniPrinterPort, PrinterPort);
Orientation := PrIniFile.ReadInteger(Section, PrintIniOrientation, Orientation);
PaperSize := PrIniFile.ReadInteger(Section, PrintIniPaperSize, PaperSize);
PaperLength := PrIniFile.ReadInteger(Section, PrintIniPaperLength, PaperLength);
PaperWidth := PrIniFile.ReadInteger(Section, PrintIniPaperWidth, PaperWidth);
Scale := PrIniFile.ReadInteger(Section, PrintIniScale, Scale);
Copies := PrIniFile.ReadInteger(Section, PrintIniCopies, Copies);
DefaultSource := PrIniFile.ReadInteger(Section, PrintIniDefaultSource, DefaultSource);
PrintQuality := PrIniFile.ReadInteger(Section, PrintIniPrintQuality, PrintQuality);
Color := PrIniFile.ReadInteger(Section, PrintIniColor, Color);
Duplex := PrIniFile.ReadInteger(Section, PrintIniDuplex, Duplex);
YResolution := PrIniFile.ReadInteger(Section, PrintIniYResolution, YResolution);
TrueTypeOption := PrIniFile.ReadInteger(Section, PrintIniTTOption, TrueTypeOption);
end
else
Result := False;
end;
PrIniFile.Free;
end;
procedure TJclPrintSet.SetOrientation(Orientation: Integer);
begin
CheckPrinter;
FDeviceMode^.dmOrientation := Orientation;
Printer.Orientation := TPrinterOrientation(Orientation - 1);
FDeviceMode^.dmFields := FDeviceMode^.dmFields or DM_ORIENTATION;
end;
function TJclPrintSet.GetOrientation: Integer;
begin
CheckPrinter;
Result := FDeviceMode^.dmOrientation;
end;
procedure TJclPrintSet.SetPaperSize(Size: Integer);
begin
CheckPrinter;
FDeviceMode^.dmPaperSize := Size;
FDeviceMode^.dmFields := FDeviceMode^.dmFields or DM_PAPERSIZE;
end;
function TJclPrintSet.GetPaperSize: Integer;
begin
CheckPrinter;
Result := FDeviceMode^.dmPaperSize;
end;
procedure TJclPrintSet.SetPaperLength(Length: Integer);
begin
CheckPrinter;
FDeviceMode^.dmPaperLength := Length;
FDeviceMode^.dmFields := FDeviceMode^.dmFields or DM_PAPERLENGTH;
end;
function TJclPrintSet.GetPaperLength: Integer;
begin
CheckPrinter;
Result := FDeviceMode^.dmPaperLength;
end;
procedure TJclPrintSet.SetPaperWidth(Width: Integer);
begin
CheckPrinter;
FDeviceMode^.dmPaperWidth := Width;
FDeviceMode^.dmFields := FDeviceMode^.dmFields or DM_PAPERWIDTH;
end;
function TJclPrintSet.GetPaperWidth: Integer;
begin
CheckPrinter;
Result := FDeviceMode^.dmPaperWidth;
end;
procedure TJclPrintSet.SetScale(Scale: Integer);
begin
CheckPrinter;
FDeviceMode^.dmScale := Scale;
FDeviceMode^.dmFields := FDeviceMode^.dmFields or DM_SCALE;
end;
function TJclPrintSet.GetScale: Integer;
begin
CheckPrinter;
Result := FDeviceMode^.dmScale;
end;
procedure TJclPrintSet.SetCopies(Copies: Integer);
begin
CheckPrinter;
FDeviceMode^.dmCopies := Copies;
FDeviceMode^.dmFields := FDeviceMode^.dmFields or DM_COPIES;
end;
function TJclPrintSet.GetCopies: Integer;
begin
CheckPrinter;
Result := FDeviceMode^.dmCopies;
end;
procedure TJclPrintSet.SetBin(Bin: Integer);
begin
CheckPrinter;
FDeviceMode^.dmDefaultSource := Bin;
FDeviceMode^.dmFields := FDeviceMode^.dmFields or DM_DEFAULTSOURCE;
end;
function TJclPrintSet.GetBin: Integer;
begin
CheckPrinter;
Result := FDeviceMode^.dmDefaultSource;
end;
procedure TJclPrintSet.SetPrintQuality(Quality: Integer);
begin
CheckPrinter;
FDeviceMode^.dmPrintQuality := Quality;
FDeviceMode^.dmFields := FDeviceMode^.dmFields or DM_PRINTQUALITY;
end;
function TJclPrintSet.GetPrintQuality: Integer;
begin
CheckPrinter;
Result := FDeviceMode^.dmPrintQuality;
end;
procedure TJclPrintSet.SetColor(Color: Integer);
begin
CheckPrinter;
FDeviceMode^.dmColor := Color;
FDeviceMode^.dmFields := FDeviceMode^.dmFields or DM_ORIENTATION;
end;
function TJclPrintSet.GetColor: Integer;
begin
CheckPrinter;
Result := FDeviceMode^.dmColor;
end;
procedure TJclPrintSet.SetDuplex(Duplex: Integer);
begin
CheckPrinter;
FDeviceMode^.dmDuplex := Duplex;
FDeviceMode^.dmFields := FDeviceMode^.dmFields or DM_DUPLEX;
end;
function TJclPrintSet.GetDuplex: Integer;
begin
CheckPrinter;
Result := FDeviceMode^.dmDuplex;
end;
procedure TJclPrintSet.SetYResolution(YRes: Integer);
var
PrintDevMode: PDeviceModeA;
begin
CheckPrinter;
PrintDevMode := @FDeviceMode^;
PrintDevMode^.dmYResolution := YRes;
FDeviceMode^.dmFields := FDeviceMode^.dmFields or DM_YRESOLUTION;
end;
function TJclPrintSet.GetYResolution: Integer;
var
PrintDevMode: PDeviceModeA;
begin
CheckPrinter;
PrintDevMode := @FDeviceMode^;
Result := PrintDevMode^.dmYResolution;
end;
procedure TJclPrintSet.SetTrueTypeOption(Option: Integer);
var
PrintDevMode: PDeviceModeA;
begin
CheckPrinter;
PrintDevMode := @FDeviceMode^;
PrintDevMode^.dmTTOption := Option;
FDeviceMode^.dmFields := FDeviceMode^.dmFields or DM_TTOPTION;
end;
function TJclPrintSet.GetTrueTypeOption: Integer;
var
PrintDevMode: PDeviceModeA;
begin
CheckPrinter;
PrintDevMode := @FDeviceMode^;
Result := PrintDevMode^.dmTTOption;
end;
function TJclPrintSet.GetPrinterName: string;
begin
CheckPrinter;
Result := StrPas(FDevice);
end;
function TJclPrintSet.GetPrinterPort: string;
begin
CheckPrinter;
Result := StrPas(FPort);
end;
function TJclPrintSet.GetPrinterDriver: string;
begin
CheckPrinter;
Result := StrPas(FDriver);
end;
procedure TJclPrintSet.SetBinFromList(BinNum: Byte);
begin
CheckPrinter;
if FNumBins = 0 then
Exit;
if BinNum > FNumBins then
raise EJclPrinterError.CreateRes(@RsIndexOutOfRange)
else
DefaultSource := FBinArray^[BinNum];
end;
function TJclPrintSet.GetBinIndex: Byte;
var
Idx: Byte;
begin
Result := 0;
for Idx := 0 to FNumBins do
begin
if FBinArray^[Idx] = Word(FDeviceMode^.dmDefaultSource) then
begin
Result := Idx;
Break;
end;
end;
end;
procedure TJclPrintSet.SetPaperFromList(PaperNum: Byte);
begin
CheckPrinter;
if FNumPapers = 0 then
Exit;
if PaperNum > FNumPapers then
raise EJclPrinterError.CreateRes(@RsIndexOutOfRangePaper)
else
PaperSize := FPaperArray^[PaperNum];
end;
procedure TJclPrintSet.SetPort(Port: string);
begin
CheckPrinter;
Port := Port + #0;
Move(Port[1], FPort^, Length(Port));
Printer.SetPrinter(FDevice, FDriver, FPort, FHandle);
end;
function TJclPrintSet.GetPaperIndex: Byte;
var
Idx: Byte;
begin
Result := 0;
for Idx := 0 to FNumPapers do
begin
if FPaperArray^[Idx] = Word(FDeviceMode^.dmPaperSize) then
begin
Result := Idx;
Break;
end;
end;
end;
// History:
// $Log: JclPrint.pas,v $
// Revision 1.21 2005/10/30 01:55:34 rrossmair
// - introduce KEEP_DEPRECATED as alias for ~DROP_OBSOLETE_CODE
//
// Revision 1.20 2005/03/08 08:33:20 marquardt
// overhaul of exceptions and resourcestrings, minor style cleaning
//
// Revision 1.19 2005/03/05 06:31:19 rrossmair
// - allow conditional compilation for deprecated code (symbol DROP_OBSOLETE_CODE)
//
// Revision 1.18 2005/02/24 16:34:51 marquardt
// remove divider lines, add section lines (unfinished)
//
// Revision 1.17 2004/11/06 02:07:05 mthoma
// cleaning.
//
// Revision 1.16 2004/10/09 13:58:52 marquardt
// style cleaning JclPrint
// remove WinSpool related functions from JclWin32
//
// Revision 1.15 2004/10/09 06:17:27 marquardt
// cleaning: DPSetDefaultPrinter reimplemented from scratch
//
// Revision 1.14 2004/10/08 16:45:31 marquardt
// cleaning: DPGetDefaultPrinter reimplemented from scratch
//
// Revision 1.13 2004/09/16 19:47:32 rrossmair
// check-in in preparation for release 1.92
//
// Revision 1.12 2004/08/02 15:30:16 marquardt
// hunting down (rom) comments
//
// Revision 1.11 2004/08/02 06:34:59 marquardt
// minor string literal improvements
//
// Revision 1.10 2004/07/30 07:20:25 marquardt
// fixing TStringLists, adding BeginUpdate/EndUpdate
//
// Revision 1.9 2004/07/28 18:00:52 marquardt
// various style cleanings, some minor fixes
//
// Revision 1.8 2004/06/14 13:05:20 marquardt
// style cleaning ENDIF, Tabs
//
// Revision 1.7 2004/06/14 11:05:52 marquardt
// symbols added to all ENDIFs and some other minor style changes like removing IFOPT
//
// Revision 1.6 2004/05/13 07:32:18 rrossmair
// header updated according to new policy: initial developers & contributors listed
//
// Revision 1.5 2004/04/13 13:33:38
// add DPSetDefaultPrinter, bugfix GetDefaultPrinterName
//
// Revision 1.4 2004/04/11 22:12:16 mthoma
// Added a new function: GetDefaultPrinterName.
//
// Revision 1.3 2004/04/06 04:37:59
// DPSetDefaultPrinter
//
end.