src/msw/dcprint.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/msw/dcprint.cpp
// Purpose:     wxPrinterDC class
// Author:      Julian Smart
// Modified by:
// Created:     01/02/97
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
    #pragma implementation "dcprint.h"
#endif

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#ifndef WX_PRECOMP
    #include "wx/string.h"
    #include "wx/log.h"
    #include "wx/window.h"
    #include "wx/dcmemory.h"
#endif

#if wxUSE_PRINTING_ARCHITECTURE

#include "wx/msw/private.h"

#if wxUSE_WXDIB
#include "wx/msw/dib.h"
#endif

#include "wx/dcprint.h"
#include "wx/printdlg.h"
#include "wx/msw/printdlg.h"
#include "wx/math.h"

#include "wx/msw/wrapcdlg.h"
#ifndef __WIN32__
    #include <print.h>
#endif

// mingw32 defines GDI_ERROR incorrectly
#if defined(__GNUWIN32__) || !defined(GDI_ERROR)
    #undef GDI_ERROR
    #define GDI_ERROR ((int)-1)
#endif

// ----------------------------------------------------------------------------
// wxWin macros
// ----------------------------------------------------------------------------

IMPLEMENT_CLASS(wxPrinterDC, wxDC)

// ============================================================================
// implementation
// ============================================================================

// ----------------------------------------------------------------------------
// wxPrinterDC construction
// ----------------------------------------------------------------------------

// This form is deprecated
wxPrinterDC::wxPrinterDC(const wxString& driver_name,
                         const wxString& device_name,
                         const wxString& file,
                         bool interactive,
                         int orientation)
{
    m_isInteractive = interactive;

    if ( !file.empty() )
        m_printData.SetFilename(file);

#if wxUSE_COMMON_DIALOGS
    if ( interactive )
    {
        PRINTDLG pd;

        pd.lStructSize = sizeof( PRINTDLG );
        pd.hwndOwner = (HWND) NULL;
        pd.hDevMode = (HANDLE)NULL;
        pd.hDevNames = (HANDLE)NULL;
        pd.Flags = PD_RETURNDC | PD_NOSELECTION | PD_NOPAGENUMS;
        pd.nFromPage = 0;
        pd.nToPage = 0;
        pd.nMinPage = 0;
        pd.nMaxPage = 0;
        pd.nCopies = 1;
        pd.hInstance = (HINSTANCE)NULL;

        m_ok = PrintDlg( &pd ) != 0;
        if ( m_ok )
        {
            m_hDC = (WXHDC) pd.hDC;
        }
    }
    else
#endif // wxUSE_COMMON_DIALOGS
    {
        if ( !driver_name.empty() && !device_name.empty() && !file.empty() )
        {
            m_hDC = (WXHDC) CreateDC(driver_name, device_name, file, NULL);
        }
        else // we don't have all parameters, ask the user
        {
            wxPrintData printData;
            printData.SetOrientation(orientation);
            m_hDC = wxGetPrinterDC(printData);
        }

        m_ok = m_hDC ? true: false;

        // as we created it, we must delete it as well
        m_bOwnsDC = true;
    }

    Init();
}

wxPrinterDC::wxPrinterDC(const wxPrintData& printData)
{
    m_printData = printData;

    m_isInteractive = false;

    m_hDC = wxGetPrinterDC(printData);
    m_ok = m_hDC != 0;
    m_bOwnsDC = true;

    Init();
}


wxPrinterDC::wxPrinterDC(WXHDC dc)
{
    m_isInteractive = false;

    m_hDC = dc;
    m_bOwnsDC = true;
    m_ok = true;
}

void wxPrinterDC::Init()
{
    if ( m_hDC )
    {
        //     int width = GetDeviceCaps(m_hDC, VERTRES);
        //     int height = GetDeviceCaps(m_hDC, HORZRES);
        SetMapMode(wxMM_TEXT);

        SetBrush(*wxBLACK_BRUSH);
        SetPen(*wxBLACK_PEN);
    }
}

// ----------------------------------------------------------------------------
// wxPrinterDC {Start/End}{Page/Doc} methods
// ----------------------------------------------------------------------------

bool wxPrinterDC::StartDoc(const wxString& message)
{
    DOCINFO docinfo;
    docinfo.cbSize = sizeof(DOCINFO);
    docinfo.lpszDocName = (const wxChar*)message;

    wxString filename(m_printData.GetFilename());

    if (filename.empty())
        docinfo.lpszOutput = NULL;
    else
        docinfo.lpszOutput = (const wxChar *) filename;

#if defined(__WIN95__)
    docinfo.lpszDatatype = NULL;
    docinfo.fwType = 0;
#endif

    if (!m_hDC)
        return false;

    int ret = ::StartDoc(GetHdc(), &docinfo);

    if (ret <= 0)
    {
        DWORD lastError = GetLastError();
        wxLogDebug(wxT("wxDC::StartDoc failed with error: %ld\n"), lastError);
    }

    return (ret > 0);
}

void wxPrinterDC::EndDoc()
{
    if (m_hDC) ::EndDoc((HDC) m_hDC);
}

void wxPrinterDC::StartPage()
{
    if (m_hDC)
        ::StartPage((HDC) m_hDC);
}

void wxPrinterDC::EndPage()
{
    if (m_hDC)
        ::EndPage((HDC) m_hDC);
}

// Returns default device and port names
static bool wxGetDefaultDeviceName(wxString& deviceName, wxString& portName)
{
    deviceName.clear();

    LPDEVNAMES  lpDevNames;
    LPTSTR      lpszDeviceName;
    LPTSTR      lpszPortName;

    PRINTDLG    pd;

    // Cygwin has trouble believing PRINTDLG is 66 bytes - thinks it is 68
#ifdef __GNUWIN32__
    memset(&pd, 0, 66);
    pd.lStructSize    = 66; // sizeof(PRINTDLG);
#else
    memset(&pd, 0, sizeof(PRINTDLG));
    pd.lStructSize    = sizeof(PRINTDLG);
#endif

    pd.hwndOwner      = (HWND)NULL;
    pd.hDevMode       = NULL; // Will be created by PrintDlg
    pd.hDevNames      = NULL; // Ditto
    pd.Flags          = PD_RETURNDEFAULT;
    pd.nCopies        = 1;

    if (!PrintDlg((LPPRINTDLG)&pd))
    {
        if ( pd.hDevMode )
            GlobalFree(pd.hDevMode);
        if (pd.hDevNames)
            GlobalFree(pd.hDevNames);

        return false;
    }

    if (pd.hDevNames)
    {
        lpDevNames = (LPDEVNAMES)GlobalLock(pd.hDevNames);
        lpszDeviceName = (LPTSTR)lpDevNames + lpDevNames->wDeviceOffset;
        lpszPortName   = (LPTSTR)lpDevNames + lpDevNames->wOutputOffset;

        deviceName = lpszDeviceName;
        portName = lpszPortName;

        GlobalUnlock(pd.hDevNames);
        GlobalFree(pd.hDevNames);
        pd.hDevNames=NULL;
    }

    if (pd.hDevMode)
    {
        GlobalFree(pd.hDevMode);
        pd.hDevMode=NULL;
    }
    return ( !deviceName.empty() );
}

// Gets an HDC for the specified printer configuration
WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& printDataConst)
{
#if defined(__WXUNIVERSAL__) && (!defined(__WXMSW__) || wxUSE_POSTSCRIPT_ARCHITECTURE_IN_MSW)

#if 0
    wxPostScriptPrintNativeData *data =
        (wxPostScriptPrintNativeData *) printDataConst.GetNativeData();
    // FIXME: how further ???
#else
    return 0;
#endif

#else // Postscript vs. native Windows

    wxWindowsPrintNativeData *data =
        (wxWindowsPrintNativeData *) printDataConst.GetNativeData();

    data->TransferFrom( printDataConst );

    wxChar* driverName = (wxChar*) NULL;

    wxString devNameStr = printDataConst.GetPrinterName();
    wxChar* portName = (wxChar*) NULL; // Obsolete in WIN32

    const wxChar* deviceName;
    if ( !devNameStr )
        deviceName = (wxChar*) NULL;
    else
        deviceName = devNameStr.c_str();

    LPDEVMODE lpDevMode = (LPDEVMODE) NULL;

    HGLOBAL hDevMode = (HGLOBAL)(DWORD) data->GetDevMode();

    if ( hDevMode )
        lpDevMode = (DEVMODE*) GlobalLock(hDevMode);

    if ( !devNameStr )
    {
        // Retrieve the default device name
        wxString portName;
        if ( !wxGetDefaultDeviceName(devNameStr, portName) )
        {
            return 0; // Could not get default device name
        }
        deviceName = devNameStr.c_str();
    }

#ifdef __WIN32__
    HDC hDC = CreateDC(driverName, deviceName, portName, (DEVMODE *) lpDevMode);
#else
    HDC hDC = CreateDC(driverName, deviceName, portName, (LPSTR) lpDevMode);
#endif

    if (hDevMode && lpDevMode)
        GlobalUnlock(hDevMode);

    return (WXHDC) hDC;
#endif
}

// ----------------------------------------------------------------------------
// wxPrinterDC bit blitting/bitmap drawing
// ----------------------------------------------------------------------------

// helper of DoDrawBitmap() and DoBlit()
static
bool DrawBitmapUsingStretchDIBits(HDC hdc,
                                  const wxBitmap& bmp,
                                  wxCoord x, wxCoord y)
{
#if wxUSE_WXDIB
    wxDIB dib(bmp);
    bool ok = dib.IsOk();
    if ( !ok )
        return false;

    DIBSECTION ds;
    if ( !::GetObject(dib.GetHandle(), sizeof(ds), &ds) )
    {
        wxLogLastError(_T("GetObject(DIBSECTION)"));

        return false;
    }

    // ok, we've got all data we need, do blit it
    if ( ::StretchDIBits
            (
                hdc,
                x, y,
                ds.dsBmih.biWidth, ds.dsBmih.biHeight,
                0, 0,
                ds.dsBmih.biWidth, ds.dsBmih.biHeight,
                ds.dsBm.bmBits,
                (LPBITMAPINFO)&ds.dsBmih,
                DIB_RGB_COLORS,
                SRCCOPY
            ) == GDI_ERROR )
    {
        wxLogLastError(wxT("StretchDIBits"));

        return false;
    }

    return true;
#else
    return false;
#endif
}

void wxPrinterDC::DoDrawBitmap(const wxBitmap& bmp,
                               wxCoord x, wxCoord y,
                               bool useMask)
{
    wxCHECK_RET( bmp.Ok(), _T("invalid bitmap in wxPrinterDC::DrawBitmap") );

    int width = bmp.GetWidth(),
        height = bmp.GetHeight();

    if ( !(::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB) ||
            !DrawBitmapUsingStretchDIBits(GetHdc(), bmp, x, y) )
    {
        // no support for StretchDIBits() or an error occured if we got here
        wxMemoryDC memDC;
        memDC.SelectObject(bmp);

        Blit(x, y, width, height, &memDC, 0, 0, wxCOPY, useMask);

        memDC.SelectObject(wxNullBitmap);
    }
}

bool wxPrinterDC::DoBlit(wxCoord xdest, wxCoord ydest,
                         wxCoord width, wxCoord height,
                         wxDC *source,
                         wxCoord WXUNUSED(xsrc), wxCoord WXUNUSED(ysrc),
                         int WXUNUSED(rop), bool useMask,
                         wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask))
{
    wxBitmap& bmp = source->GetSelectedBitmap();
    wxMask *mask = useMask ? bmp.GetMask() : NULL;
    if ( mask )
    {
        // If we are printing source colours are screen colours not printer
        // colours and so we need copy the bitmap pixel by pixel.
        RECT rect;
        HDC dcSrc = GetHdcOf(*source);
        MemoryHDC dcMask(dcSrc);
        SelectInHDC selectMask(dcMask, (HBITMAP)mask->GetMaskBitmap());

        for (int x = 0; x < width; x++)
        {
            for (int y = 0; y < height; y++)
            {
                COLORREF cref = ::GetPixel(dcMask, x, y);
                if (cref)
                {
                    HBRUSH brush = ::CreateSolidBrush(::GetPixel(dcSrc, x, y));
                    rect.left = xdest + x;
                    rect.right = rect.left + 1;
                    rect.top = ydest + y;
                    rect.bottom = rect.top + 1;
                    ::FillRect(GetHdc(), &rect, brush);
                    ::DeleteObject(brush);
                }
            }
        }
    }
    else // no mask
    {
        if ( !(::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB) ||
                !DrawBitmapUsingStretchDIBits(GetHdc(), bmp, xdest, ydest) )
        {
            // no support for StretchDIBits

            // as we are printing, source colours are screen colours not
            // printer colours and so we need copy the bitmap pixel by pixel.
            HDC dcSrc = GetHdcOf(*source);
            RECT rect;
            for (int y = 0; y < height; y++)
            {
                // optimization: draw identical adjacent pixels together.
                for (int x = 0; x < width; x++)
                {
                    COLORREF col = ::GetPixel(dcSrc, x, y);
                    HBRUSH brush = ::CreateSolidBrush( col );

                    rect.left = xdest + x;
                    rect.top = ydest + y;
                    while( (x + 1 < width) &&
                                (::GetPixel(dcSrc, x + 1, y) == col ) )
                    {
                        ++x;
                    }
                    rect.right = xdest + x + 1;
                    rect.bottom = rect.top + 1;
                    ::FillRect((HDC) m_hDC, &rect, brush);
                    ::DeleteObject(brush);
                }
            }
        }
    }

    return true;
}

#endif
    // wxUSE_PRINTING_ARCHITECTURE
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/msw/dcprint.cpp
	3	// Purpose: wxPrinterDC class
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 01/02/97
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Julian Smart
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	// ============================================================================
	13	// declarations
	14	// ============================================================================
	15
	16	// ----------------------------------------------------------------------------
	17	// headers
	18	// ----------------------------------------------------------------------------
	19
	20	#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
	21	#pragma implementation "dcprint.h"
	22	#endif
	23
	24	// For compilers that support precompilation, includes "wx.h".
	25	#include "wx/wxprec.h"
	26
	27	#ifdef __BORLANDC__
	28	#pragma hdrstop
	29	#endif
	30
	31	#ifndef WX_PRECOMP
	32	#include "wx/string.h"
	33	#include "wx/log.h"
	34	#include "wx/window.h"
	35	#include "wx/dcmemory.h"
	36	#endif
	37
	38	#if wxUSE_PRINTING_ARCHITECTURE
	39
	40	#include "wx/msw/private.h"
	41
	42	#if wxUSE_WXDIB
	43	#include "wx/msw/dib.h"
	44	#endif
	45
	46	#include "wx/dcprint.h"
	47	#include "wx/printdlg.h"
	48	#include "wx/msw/printdlg.h"
	49	#include "wx/math.h"
	50
	51	#include "wx/msw/wrapcdlg.h"
	52	#ifndef __WIN32__
	53	#include <print.h>
	54	#endif
	55
	56	// mingw32 defines GDI_ERROR incorrectly
	57	#if defined(__GNUWIN32__) \|\| !defined(GDI_ERROR)
	58	#undef GDI_ERROR
	59	#define GDI_ERROR ((int)-1)
	60	#endif
	61
	62	// ----------------------------------------------------------------------------
	63	// wxWin macros
	64	// ----------------------------------------------------------------------------
	65
	66	IMPLEMENT_CLASS(wxPrinterDC, wxDC)
	67
	68	// ============================================================================
	69	// implementation
	70	// ============================================================================
	71
	72	// ----------------------------------------------------------------------------
	73	// wxPrinterDC construction
	74	// ----------------------------------------------------------------------------
	75
	76	// This form is deprecated
	77	wxPrinterDC::wxPrinterDC(const wxString& driver_name,
	78	const wxString& device_name,
	79	const wxString& file,
	80	bool interactive,
	81	int orientation)
	82	{
	83	m_isInteractive = interactive;
	84
	85	if ( !file.empty() )
	86	m_printData.SetFilename(file);
	87
	88	#if wxUSE_COMMON_DIALOGS
	89	if ( interactive )
	90	{
	91	PRINTDLG pd;
	92
	93	pd.lStructSize = sizeof( PRINTDLG );
	94	pd.hwndOwner = (HWND) NULL;
	95	pd.hDevMode = (HANDLE)NULL;
	96	pd.hDevNames = (HANDLE)NULL;
	97	pd.Flags = PD_RETURNDC \| PD_NOSELECTION \| PD_NOPAGENUMS;
	98	pd.nFromPage = 0;
	99	pd.nToPage = 0;
	100	pd.nMinPage = 0;
	101	pd.nMaxPage = 0;
	102	pd.nCopies = 1;
	103	pd.hInstance = (HINSTANCE)NULL;
	104
	105	m_ok = PrintDlg( &pd ) != 0;
	106	if ( m_ok )
	107	{
	108	m_hDC = (WXHDC) pd.hDC;
	109	}
	110	}
	111	else
	112	#endif // wxUSE_COMMON_DIALOGS
	113	{
	114	if ( !driver_name.empty() && !device_name.empty() && !file.empty() )
	115	{
	116	m_hDC = (WXHDC) CreateDC(driver_name, device_name, file, NULL);
	117	}
	118	else // we don't have all parameters, ask the user
	119	{
	120	wxPrintData printData;
	121	printData.SetOrientation(orientation);
	122	m_hDC = wxGetPrinterDC(printData);
	123	}
	124
	125	m_ok = m_hDC ? true: false;
	126
	127	// as we created it, we must delete it as well
	128	m_bOwnsDC = true;
	129	}
	130
	131	Init();
	132	}
	133
	134	wxPrinterDC::wxPrinterDC(const wxPrintData& printData)
	135	{
	136	m_printData = printData;
	137
	138	m_isInteractive = false;
	139
	140	m_hDC = wxGetPrinterDC(printData);
	141	m_ok = m_hDC != 0;
	142	m_bOwnsDC = true;
	143
	144	Init();
	145	}
	146
	147
	148	wxPrinterDC::wxPrinterDC(WXHDC dc)
	149	{
	150	m_isInteractive = false;
	151
	152	m_hDC = dc;
	153	m_bOwnsDC = true;
	154	m_ok = true;
	155	}
	156
	157	void wxPrinterDC::Init()
	158	{
	159	if ( m_hDC )
	160	{
	161	// int width = GetDeviceCaps(m_hDC, VERTRES);
	162	// int height = GetDeviceCaps(m_hDC, HORZRES);
	163	SetMapMode(wxMM_TEXT);
	164
	165	SetBrush(*wxBLACK_BRUSH);
	166	SetPen(*wxBLACK_PEN);
	167	}
	168	}
	169
	170	// ----------------------------------------------------------------------------
	171	// wxPrinterDC {Start/End}{Page/Doc} methods
	172	// ----------------------------------------------------------------------------
	173
	174	bool wxPrinterDC::StartDoc(const wxString& message)
	175	{
	176	DOCINFO docinfo;
	177	docinfo.cbSize = sizeof(DOCINFO);
	178	docinfo.lpszDocName = (const wxChar*)message;
	179
	180	wxString filename(m_printData.GetFilename());
	181
	182	if (filename.empty())
	183	docinfo.lpszOutput = NULL;
	184	else
	185	docinfo.lpszOutput = (const wxChar *) filename;
	186
	187	#if defined(__WIN95__)
	188	docinfo.lpszDatatype = NULL;
	189	docinfo.fwType = 0;
	190	#endif
	191
	192	if (!m_hDC)
	193	return false;
	194
	195	int ret = ::StartDoc(GetHdc(), &docinfo);
	196
	197	if (ret <= 0)
	198	{
	199	DWORD lastError = GetLastError();
	200	wxLogDebug(wxT("wxDC::StartDoc failed with error: %ld\n"), lastError);
	201	}
	202
	203	return (ret > 0);
	204	}
	205
	206	void wxPrinterDC::EndDoc()
	207	{
	208	if (m_hDC) ::EndDoc((HDC) m_hDC);
	209	}
	210
	211	void wxPrinterDC::StartPage()
	212	{
	213	if (m_hDC)
	214	::StartPage((HDC) m_hDC);
	215	}
	216
	217	void wxPrinterDC::EndPage()
	218	{
	219	if (m_hDC)
	220	::EndPage((HDC) m_hDC);
	221	}
	222
	223	// Returns default device and port names
	224	static bool wxGetDefaultDeviceName(wxString& deviceName, wxString& portName)
	225	{
	226	deviceName.clear();
	227
	228	LPDEVNAMES lpDevNames;
	229	LPTSTR lpszDeviceName;
	230	LPTSTR lpszPortName;
	231
	232	PRINTDLG pd;
	233
	234	// Cygwin has trouble believing PRINTDLG is 66 bytes - thinks it is 68
	235	#ifdef __GNUWIN32__
	236	memset(&pd, 0, 66);
	237	pd.lStructSize = 66; // sizeof(PRINTDLG);
	238	#else
	239	memset(&pd, 0, sizeof(PRINTDLG));
	240	pd.lStructSize = sizeof(PRINTDLG);
	241	#endif
	242
	243	pd.hwndOwner = (HWND)NULL;
	244	pd.hDevMode = NULL; // Will be created by PrintDlg
	245	pd.hDevNames = NULL; // Ditto
	246	pd.Flags = PD_RETURNDEFAULT;
	247	pd.nCopies = 1;
	248
	249	if (!PrintDlg((LPPRINTDLG)&pd))
	250	{
	251	if ( pd.hDevMode )
	252	GlobalFree(pd.hDevMode);
	253	if (pd.hDevNames)
	254	GlobalFree(pd.hDevNames);
	255
	256	return false;
	257	}
	258
	259	if (pd.hDevNames)
	260	{
	261	lpDevNames = (LPDEVNAMES)GlobalLock(pd.hDevNames);
	262	lpszDeviceName = (LPTSTR)lpDevNames + lpDevNames->wDeviceOffset;
	263	lpszPortName = (LPTSTR)lpDevNames + lpDevNames->wOutputOffset;
	264
	265	deviceName = lpszDeviceName;
	266	portName = lpszPortName;
	267
	268	GlobalUnlock(pd.hDevNames);
	269	GlobalFree(pd.hDevNames);
	270	pd.hDevNames=NULL;
	271	}
	272
	273	if (pd.hDevMode)
	274	{
	275	GlobalFree(pd.hDevMode);
	276	pd.hDevMode=NULL;
	277	}
	278	return ( !deviceName.empty() );
	279	}
	280
	281	// Gets an HDC for the specified printer configuration
	282	WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& printDataConst)
	283	{
	284	#if defined(__WXUNIVERSAL__) && (!defined(__WXMSW__) \|\| wxUSE_POSTSCRIPT_ARCHITECTURE_IN_MSW)
	285
	286	#if 0
	287	wxPostScriptPrintNativeData *data =
	288	(wxPostScriptPrintNativeData *) printDataConst.GetNativeData();
	289	// FIXME: how further ???
	290	#else
	291	return 0;
	292	#endif
	293
	294	#else // Postscript vs. native Windows
	295
	296	wxWindowsPrintNativeData *data =
	297	(wxWindowsPrintNativeData *) printDataConst.GetNativeData();
	298
	299	data->TransferFrom( printDataConst );
	300
	301	wxChar* driverName = (wxChar*) NULL;
	302
	303	wxString devNameStr = printDataConst.GetPrinterName();
	304	wxChar* portName = (wxChar*) NULL; // Obsolete in WIN32
	305
	306	const wxChar* deviceName;
	307	if ( !devNameStr )
	308	deviceName = (wxChar*) NULL;
	309	else
	310	deviceName = devNameStr.c_str();
	311
	312	LPDEVMODE lpDevMode = (LPDEVMODE) NULL;
	313
	314	HGLOBAL hDevMode = (HGLOBAL)(DWORD) data->GetDevMode();
	315
	316	if ( hDevMode )
	317	lpDevMode = (DEVMODE*) GlobalLock(hDevMode);
	318
	319	if ( !devNameStr )
	320	{
	321	// Retrieve the default device name
	322	wxString portName;
	323	if ( !wxGetDefaultDeviceName(devNameStr, portName) )
	324	{
	325	return 0; // Could not get default device name
	326	}
	327	deviceName = devNameStr.c_str();
	328	}
	329
	330	#ifdef __WIN32__
	331	HDC hDC = CreateDC(driverName, deviceName, portName, (DEVMODE *) lpDevMode);
	332	#else
	333	HDC hDC = CreateDC(driverName, deviceName, portName, (LPSTR) lpDevMode);
	334	#endif
	335
	336	if (hDevMode && lpDevMode)
	337	GlobalUnlock(hDevMode);
	338
	339	return (WXHDC) hDC;
	340	#endif
	341	}
	342
	343	// ----------------------------------------------------------------------------
	344	// wxPrinterDC bit blitting/bitmap drawing
	345	// ----------------------------------------------------------------------------
	346
	347	// helper of DoDrawBitmap() and DoBlit()
	348	static
	349	bool DrawBitmapUsingStretchDIBits(HDC hdc,
	350	const wxBitmap& bmp,
	351	wxCoord x, wxCoord y)
	352	{
	353	#if wxUSE_WXDIB
	354	wxDIB dib(bmp);
	355	bool ok = dib.IsOk();
	356	if ( !ok )
	357	return false;
	358
	359	DIBSECTION ds;
	360	if ( !::GetObject(dib.GetHandle(), sizeof(ds), &ds) )
	361	{
	362	wxLogLastError(_T("GetObject(DIBSECTION)"));
	363
	364	return false;
	365	}
	366
	367	// ok, we've got all data we need, do blit it
	368	if ( ::StretchDIBits
	369	(
	370	hdc,
	371	x, y,
	372	ds.dsBmih.biWidth, ds.dsBmih.biHeight,
	373	0, 0,
	374	ds.dsBmih.biWidth, ds.dsBmih.biHeight,
	375	ds.dsBm.bmBits,
	376	(LPBITMAPINFO)&ds.dsBmih,
	377	DIB_RGB_COLORS,
	378	SRCCOPY
	379	) == GDI_ERROR )
	380	{
	381	wxLogLastError(wxT("StretchDIBits"));
	382
	383	return false;
	384	}
	385
	386	return true;
	387	#else
	388	return false;
	389	#endif
	390	}
	391
	392	void wxPrinterDC::DoDrawBitmap(const wxBitmap& bmp,
	393	wxCoord x, wxCoord y,
	394	bool useMask)
	395	{
	396	wxCHECK_RET( bmp.Ok(), _T("invalid bitmap in wxPrinterDC::DrawBitmap") );
	397
	398	int width = bmp.GetWidth(),
	399	height = bmp.GetHeight();
	400
	401	if ( !(::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB) \|\|
	402	!DrawBitmapUsingStretchDIBits(GetHdc(), bmp, x, y) )
	403	{
	404	// no support for StretchDIBits() or an error occured if we got here
	405	wxMemoryDC memDC;
	406	memDC.SelectObject(bmp);
	407
	408	Blit(x, y, width, height, &memDC, 0, 0, wxCOPY, useMask);
	409
	410	memDC.SelectObject(wxNullBitmap);
	411	}
	412	}
	413
	414	bool wxPrinterDC::DoBlit(wxCoord xdest, wxCoord ydest,
	415	wxCoord width, wxCoord height,
	416	wxDC *source,
	417	wxCoord WXUNUSED(xsrc), wxCoord WXUNUSED(ysrc),
	418	int WXUNUSED(rop), bool useMask,
	419	wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask))
	420	{
	421	wxBitmap& bmp = source->GetSelectedBitmap();
	422	wxMask *mask = useMask ? bmp.GetMask() : NULL;
	423	if ( mask )
	424	{
	425	// If we are printing source colours are screen colours not printer
	426	// colours and so we need copy the bitmap pixel by pixel.
	427	RECT rect;
	428	HDC dcSrc = GetHdcOf(*source);
	429	MemoryHDC dcMask(dcSrc);
	430	SelectInHDC selectMask(dcMask, (HBITMAP)mask->GetMaskBitmap());
	431
	432	for (int x = 0; x < width; x++)
	433	{
	434	for (int y = 0; y < height; y++)
	435	{
	436	COLORREF cref = ::GetPixel(dcMask, x, y);
	437	if (cref)
	438	{
	439	HBRUSH brush = ::CreateSolidBrush(::GetPixel(dcSrc, x, y));
	440	rect.left = xdest + x;
	441	rect.right = rect.left + 1;
	442	rect.top = ydest + y;
	443	rect.bottom = rect.top + 1;
	444	::FillRect(GetHdc(), &rect, brush);
	445	::DeleteObject(brush);
	446	}
	447	}
	448	}
	449	}
	450	else // no mask
	451	{
	452	if ( !(::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB) \|\|
	453	!DrawBitmapUsingStretchDIBits(GetHdc(), bmp, xdest, ydest) )
	454	{
	455	// no support for StretchDIBits
	456
	457	// as we are printing, source colours are screen colours not
	458	// printer colours and so we need copy the bitmap pixel by pixel.
	459	HDC dcSrc = GetHdcOf(*source);
	460	RECT rect;
	461	for (int y = 0; y < height; y++)
	462	{
	463	// optimization: draw identical adjacent pixels together.
	464	for (int x = 0; x < width; x++)
	465	{
	466	COLORREF col = ::GetPixel(dcSrc, x, y);
	467	HBRUSH brush = ::CreateSolidBrush( col );
	468
	469	rect.left = xdest + x;
	470	rect.top = ydest + y;
	471	while( (x + 1 < width) &&
	472	(::GetPixel(dcSrc, x + 1, y) == col ) )
	473	{
	474	++x;
	475	}
	476	rect.right = xdest + x + 1;
	477	rect.bottom = rect.top + 1;
	478	::FillRect((HDC) m_hDC, &rect, brush);
	479	::DeleteObject(brush);
	480	}
	481	}
	482	}
	483	}
	484
	485	return true;
	486	}
	487
	488	#endif
	489	// wxUSE_PRINTING_ARCHITECTURE