Windows Printer API

[SMcNeill]

Code: (Select All)

CONST PD_ALLPAGES = 0
CONST PD_CURRENTPAGE = &H00400000
CONST PD_DISABLEPRINTTOFILE = &H00080000
CONST PD_PAGENUMS = 2
CONST PD_RETURNDC = &H00000100
CONST PD_RETURNDEFAULT = &H00000400
CONST PD_SELECTION = 1
CONST PD_USEDEVMODECOPIESANDCOLLATE = &H00040000
CONST START_PAGE_GENERAL = -1
CONST PD_RESULT_CANCEL = 0
CONST PD_RESULT_PRINT = 1
CONST PD_RESULT_APPLY = 2
CONST CCHDEVICENAME = 32
CONST CCHFORMNAME = 32

CONST TA_UPDATECP = 1

CONST S_OK = 0
' CONST E_HANDLE = &H80070006

CONST GDI_ERROR = -1


DECLARE DYNAMIC LIBRARY "kernel32"
    FUNCTION GlobalFree~%& (BYVAL hMem~%&)
    FUNCTION GetLastError~& ()
END DECLARE

DECLARE DYNAMIC LIBRARY "gdi32"
    FUNCTION DeleteDC& (BYVAL hdc~%&)
    FUNCTION SetTextAlign~& (BYVAL hdc~%&, BYVAL fMode~&)
    FUNCTION GetTextAlign~& (BYVAL hdc~%&)
    FUNCTION TextOutA& (BYVAL hdc~%&, BYVAL nXStart&, BYVAL nYStart&, BYVAL lpString~%&, BYVAL cchString&)
    FUNCTION StartDocA& (BYVAL hdc~%&, BYVAL lpdi~%&)
    FUNCTION AbortDoc& (BYVAL hdc~%&)
    FUNCTION StartPage& (BYVAL hDC~%&)
    FUNCTION EndPage& (BYVAL hdc~%&)
    FUNCTION EndDoc& (BYVAL hdc~%&)
    FUNCTION ResetDCA~%& (BYVAL hdc~%&, BYVAL lpInitData~%&)
END DECLARE

DECLARE DYNAMIC LIBRARY "user32"
    FUNCTION FindWindowA%& (BYVAL lpClassName%&, BYVAL lpWindowName%&)
END DECLARE

DECLARE DYNAMIC LIBRARY "comdlg32"
    FUNCTION PrintDlgExA~& (BYVAL lppd~%&) ' returns an HRESULT
END DECLARE

DECLARE CUSTOMTYPE LIBRARY
    ' http://www.[abandoned, outdated and now likely malicious qb64 dot net website - don’t go there]/forum/index.php?topic=10886.msg91583#msg91583
    SUB SUB_READDEVMODE (BYVAL p~%&)
    SUB SUB_READDEVNAMES (BYVAL p~%&)
END DECLARE

TYPE DOCINFOA
    cbSize AS LONG
    lpszDocName AS _UNSIGNED _OFFSET ' LPCSTR
    lpszOutput AS _UNSIGNED _OFFSET ' LPCSTR
    lpszDatatype AS _UNSIGNED _OFFSET ' LPCSTR
    fwType AS _UNSIGNED LONG
END TYPE


TYPE POINTL
    x AS LONG
    y AS LONG
END TYPE

CONST len_DEVMODEA = 156
TYPE DEVMODEA
    dmDeviceName AS STRING * CCHDEVICENAME
    dmSpecVersion AS _UNSIGNED INTEGER
    dmDriverVersion AS _UNSIGNED INTEGER
    dmSize AS _UNSIGNED INTEGER
    dmDriverExtra AS _UNSIGNED INTEGER
    dmFields AS _UNSIGNED LONG
    ' union {
    ' struct { comment either the following 8 lines
    dmOrientation AS INTEGER
    dmPaperSize AS INTEGER
    dmPaperLength AS INTEGER
    dmPaperWidth AS INTEGER
    dmScale AS INTEGER
    dmCopies AS INTEGER
    dmDefaultSource AS INTEGER
    dmPrintQuality AS INTEGER
    ' };
    ' struct { or the following 3 lines
    ' dmPosition AS POINTL
    ' dmDisplayOrientation AS _UNSIGNED LONG
    ' dmDisplayFixedOutput AS _UNSIGNED LONG
    ' };
    ' };
    dmColor AS INTEGER
    dmDuplex AS INTEGER
    dmYResolution AS INTEGER
    dmTTOption AS INTEGER
    dmCollate AS INTEGER
    dmFormName AS STRING * CCHFORMNAME
    dmLogPixels AS _UNSIGNED INTEGER
    dmBitsPerPel AS _UNSIGNED LONG
    dmPelsWidth AS _UNSIGNED LONG
    dmPelsHeight AS _UNSIGNED LONG
    ' union { comment exactly 1 of the following 2 lines
    ' dmDisplayFlags AS _UNSIGNED LONG
    dmNup AS _UNSIGNED LONG
    ' };
    dmDisplayFrequency AS _UNSIGNED LONG
    dmICMMethod AS _UNSIGNED LONG
    dmICMIntent AS _UNSIGNED LONG
    dmMediaType AS _UNSIGNED LONG
    dmDitherType AS _UNSIGNED LONG
    dmReserved1 AS _UNSIGNED LONG
    dmReserved2 AS _UNSIGNED LONG
    dmPanningWidth AS _UNSIGNED LONG
    dmPanningHeight AS _UNSIGNED LONG
END TYPE

TYPE DEVNAMES
    wDriverOffset AS _UNSIGNED INTEGER
    wDeviceOffset AS _UNSIGNED INTEGER
    wOutputOffset AS _UNSIGNED INTEGER
    wDefault AS _UNSIGNED INTEGER
END TYPE

TYPE PRINTPAGERANGE
    nFromPage AS _UNSIGNED LONG
    nToPage AS _UNSIGNED LONG
END TYPE

$IF 32BIT THEN
    TYPE PRINTDLGEX
    lStructSize AS _UNSIGNED LONG
    hwndOwner AS _UNSIGNED _OFFSET ' HWND
    hDevMode AS _UNSIGNED _OFFSET ' HGLOBAL
    hDevNames AS _UNSIGNED _OFFSET ' HGLOBAL
    hDC AS _UNSIGNED _OFFSET ' HDC
    Flags AS _UNSIGNED LONG
    Flags2 AS _UNSIGNED LONG
    ExclusionFlags AS _UNSIGNED LONG
    nPageRanges AS _UNSIGNED LONG
    nMaxPageRanges AS _UNSIGNED LONG
    lpPageRanges AS _UNSIGNED _OFFSET ' LPPRINTPAGERANGE
    nMinPage AS _UNSIGNED LONG
    nMaxPage AS _UNSIGNED LONG
    nCopies AS _UNSIGNED LONG
    hInstance AS _UNSIGNED _OFFSET ' HINSTANCE
    lpPrintTemplateName AS _UNSIGNED _OFFSET ' LPCSTR
    lpCallback AS _UNSIGNED _OFFSET ' LPUNKNOWN
    nPropertyPages AS _UNSIGNED LONG
    lphPropertyPages AS _UNSIGNED _OFFSET ' HPROPSHEETPAGE *
    nStartPage AS _UNSIGNED LONG
    dwResultAction AS _UNSIGNED LONG
    END TYPE
$ELSE
    TYPE PRINTDLGEX
        lStructSize AS _UNSIGNED _INTEGER64
        hwndOwner AS _UNSIGNED _OFFSET ' HWND
        hDevMode AS _UNSIGNED _OFFSET ' HGLOBAL
        hDevNames AS _UNSIGNED _OFFSET ' HGLOBAL
        hDC AS _UNSIGNED _OFFSET ' HDC
        Flags AS _UNSIGNED LONG
        Flags2 AS _UNSIGNED LONG
        ExclusionFlags AS _UNSIGNED LONG
        nPageRanges AS _UNSIGNED LONG
        nMaxPageRanges AS _UNSIGNED _INTEGER64
        lpPageRanges AS _UNSIGNED _OFFSET ' LPPRINTPAGERANGE
        nMinPage AS _UNSIGNED LONG
        nMaxPage AS _UNSIGNED LONG
        nCopies AS _UNSIGNED _INTEGER64 'LONG
        hInstance AS _UNSIGNED _OFFSET ' HINSTANCE
        lpPrintTemplateName AS _UNSIGNED _OFFSET ' LPCSTR
        lpCallback AS _UNSIGNED _OFFSET ' LPUNKNOWN
        nPropertyPages AS _UNSIGNED _INTEGER64 'LONG
        lphPropertyPages AS _UNSIGNED _OFFSET ' HPROPSHEETPAGE *
        nStartPage AS _UNSIGNED LONG
        dwResultAction AS _UNSIGNED LONG
    END TYPE
$END IF

DIM pageranges(0 TO 7) AS PRINTPAGERANGE
DIM pde AS PRINTDLGEX
DIM hWnd AS _UNSIGNED _OFFSET
DIM hr AS _UNSIGNED LONG
DIM t AS STRING
DIM t1 AS STRING * 16
DIM doc AS DOCINFOA

hWnd = _WINDOWHANDLE 'FindWindowA(0, _OFFSET(t))
_TITLE "Printer API demo"
pde.lStructSize = LEN(pde)
pde.hwndOwner = hWnd
pde.hDevMode = 0
pde.hDevNames = 0
pde.Flags = PD_ALLPAGES OR PD_RETURNDC OR PD_USEDEVMODECOPIESANDCOLLATE
pde.Flags2 = 0
pde.nPageRanges = 0
pde.nMaxPageRanges = 1 + UBOUND(pageranges)
pde.lpPageRanges = _OFFSET(pageranges(0))
pde.nMinPage = 1
pde.nMaxPage = 1
pde.nCopies = 1
pde.hInstance = 0
pde.lpCallback = 0
pde.nPropertyPages = 0
pde.lphPropertyPages = 0
pde.nStartPage = START_PAGE_GENERAL
pde.dwResultAction = 0

hr = PrintDlgExA(_OFFSET(pde))
IF S_OK <> hr THEN PRINT "ZZError. HRESULT: 0x" + LCASE$(HEX$(hr))
PRINT pde.dwResultAction

IF pde.hDevMode THEN SUB_READDEVMODE _OFFSET(pde.hDevMode)
IF pde.hDevNames THEN SUB_READDEVNAMES _OFFSET(pde.hDevNames)

IF PD_RESULT_PRINT = pde.dwResultAction THEN
    IF pde.hDC THEN
        t1 = "qb64 prn test" + CHR$(0) ' fixed len str so it won't move
        doc.cbSize = LEN(doc)
        doc.lpszDocName = _OFFSET(t1)
        doc.lpszOutput = 0
        doc.lpszDatatype = 0
        doc.fwType = 0
        IF 0 >= StartDocA(pde.hDC, _OFFSET(doc)) THEN PRINT "doc error"
        IF 0 >= StartPage(pde.hDC) THEN PRINT "doc error"

        IF GDI_ERROR = SetTextAlign(pde.hDC, GetTextAlign(pde.hDC) OR TA_UPDATECP) THEN PRINT "GDI error"
        t = "Hello, world!"
        IF 0 = TextOutA(pde.hDC, 0, 0, _OFFSET(t), LEN(t)) THEN PRINT "error"

        IF 0 >= EndPage(pde.hDC) THEN PRINT "doc error"
        IF 0 >= EndDoc(pde.hDC) THEN PRINT "doc error"
    END IF
END IF

IF pde.hDevMode THEN
    IF 0 <> GlobalFree(pde.hDevMode) THEN PRINT "Error: 0x" + LCASE$(HEX$(GetLastError))
END IF
IF pde.hDevNames THEN
    IF 0 <> GlobalFree(pde.hDevNames) THEN PRINT "Error: 0x" + LCASE$(HEX$(GetLastError))
END IF
IF pde.hDC THEN
    IF 0 = DeleteDC(pde.hDC) THEN PRINT "Error: 0x" + LCASE$(HEX$(GetLastError))
END IF
END


SUB readDevMode (t AS DEVMODEA)
    PRINT t.dmDeviceName
    ' etc...
END SUB

SUB readDevNames (t AS DEVNAMES)
    DIM m AS _MEM
    t$ = SPACE$(255)

    m = _MEM(_OFFSET(t) + t.wDriverOffset, 255)
    _MEMGET m, m.OFFSET, t$
    PRINT t$

    m = _MEM(_OFFSET(t) + t.wDeviceOffset, 255)
    _MEMGET m, m.OFFSET, t$
    PRINT t$

    m = _MEM(_OFFSET(t) + t.wOutputOffset, 255)
    _MEMGET m, m.OFFSET, t$
    PRINT t$



    'PRINT peekstr(_OFFSET(t) + t.wDriverOffset)
    'PRINT peekstr(_OFFSET(t) + t.wDeviceOffset)
    'PRINT peekstr(_OFFSET(t) + t.wOutputOffset)
END SUB