]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/dcprint.cpp
fixed memory allocation code of wxStreamBuffer to not realloc() new[]ed memory any...
[wxWidgets.git] / src / msw / dcprint.cpp
index 43a6be9b8d7a0c8f6fe33be1dab8b7a2a187fc08..e8ccc8bac868f674136cad7783bb00d0ad9f4ecd 100644 (file)
 /////////////////////////////////////////////////////////////////////////////
-// Name:        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 and Markus Holzem
-// Licence:    wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
 #ifdef __GNUG__
-#pragma implementation "dcprint.h"
+    #pragma implementation "dcprint.h"
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #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"
 #include "wx/dcprint.h"
 #include "math.h"
 
-#include <windows.h>
-
-#if wxUSE_COMMON_DIALOGS
-#include <commdlg.h>
+#if wxUSE_COMMON_DIALOGS || defined(__WXWINE__)
+    #include <commdlg.h>
 #endif
 
 #ifndef __WIN32__
-#include <print.h>
+    #include <print.h>
 #endif
 
-#ifdef DrawText
-#undef DrawText
+// mingw32 defines GDI_ERROR incorrectly
+#ifdef __GNUWIN32__
+    #undef GDI_ERROR
+    #define GDI_ERROR ((int)-1)
 #endif
 
-#ifdef GetCharWidth
-#undef GetCharWidth
-#endif
-
-#ifdef StartDoc
-#undef StartDoc
-#endif
+// ----------------------------------------------------------------------------
+// wxWin macros
+// ----------------------------------------------------------------------------
 
-#if !USE_SHARED_LIBRARY
 IMPLEMENT_CLASS(wxPrinterDC, wxDC)
-#endif
 
+// ============================================================================
+// 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;
+    m_isInteractive = interactive;
 
-  if (!file.IsNull() && file != "")
-    m_filename = file;
+    if ( !!file )
+        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;
-
-     if ( PrintDlg( &pd ) != 0 )
-     {
-       m_hDC = (WXHDC) pd.hDC;
-       m_ok = TRUE;
-     }
-     else
-     {
-       m_ok = FALSE;
-       return;
-     }
-
-//     m_dontDelete = TRUE;
-   }
-   else
-#endif
-   if ((!driver_name.IsNull() && driver_name != "") &&
-       (!device_name.IsNull() && device_name != "") &&
-       (!file.IsNull() && file != ""))
-   {
-     m_hDC = (WXHDC) CreateDC((char *) (const char *) driver_name, (char *) (const char *) device_name, (char *) (const char *) file, NULL);
-     m_ok = m_hDC ? TRUE: FALSE;
-   }
-   else
-   {
-     m_hDC = wxGetPrinterDC(orientation);
-     m_ok = m_hDC ? TRUE: FALSE;
-   }
-   
-   if (m_hDC)
-   {
-//     int width = GetDeviceCaps(m_hDC, VERTRES);
-//     int height = GetDeviceCaps(m_hDC, HORZRES);
-     SetMapMode(MM_TEXT);
-   }
-  SetBrush(*wxBLACK_BRUSH);
-  SetPen(*wxBLACK_PEN);
+    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;
+
+        if ( PrintDlg( &pd ) != 0 )
+        {
+            m_hDC = (WXHDC) pd.hDC;
+            m_ok = TRUE;
+        }
+        else
+        {
+            m_ok = FALSE;
+            return;
+        }
+
+        //     m_dontDelete = TRUE;
+    }
+    else
+#endif // wxUSE_COMMON_DIALOGS
+        if ((!driver_name.IsNull() && driver_name != wxT("")) &&
+            (!device_name.IsNull() && device_name != wxT("")) &&
+            (!file.IsNull() && file != wxT("")))
+        {
+            m_hDC = (WXHDC) CreateDC(WXSTRINGCAST driver_name, WXSTRINGCAST device_name, WXSTRINGCAST file, NULL);
+            m_ok = m_hDC ? TRUE: FALSE;
+        }
+        else
+        {
+            wxPrintData printData;
+            printData.SetOrientation(orientation);
+            m_hDC = wxGetPrinterDC(printData);
+            m_ok = m_hDC ? TRUE: FALSE;
+        }
+
+        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::wxPrinterDC(const wxPrintData& printData)
+{
+    m_printData = printData;
+
+    m_isInteractive = FALSE;
+
+    m_hDC = wxGetPrinterDC(printData);
+    m_ok = (m_hDC != 0);
+
+    if (m_hDC)
+        SetMapMode(wxMM_TEXT);
+
+    SetBrush(*wxBLACK_BRUSH);
+    SetPen(*wxBLACK_PEN);
 }
 
+
 wxPrinterDC::wxPrinterDC(WXHDC theDC)
 {
-  m_isInteractive = FALSE;
-
-  m_hDC = theDC;
-  m_ok = TRUE;
-  if (m_hDC)
- {
-//     int width = GetDeviceCaps(m_hDC, VERTRES);
-//     int height = GetDeviceCaps(m_hDC, HORZRES);
-    SetMapMode(MM_TEXT);
-  }
-  SetBrush(*wxBLACK_BRUSH);
-  SetPen(*wxBLACK_PEN);
+    m_isInteractive = FALSE;
+
+    m_hDC = theDC;
+    m_ok = TRUE;
+    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::~wxPrinterDC()
+{
+}
+
+// ----------------------------------------------------------------------------
+// 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.IsEmpty())
+        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);
+
+#ifndef __WIN16__
+    if (ret <= 0)
+    {
+        DWORD lastError = GetLastError();
+        wxLogDebug(wxT("wxDC::StartDoc failed with error: %d\n"), lastError);
+    }
+#endif
+
+    return (ret > 0);
+}
+
+void wxPrinterDC::EndDoc()
+{
+    if (m_hDC) ::EndDoc((HDC) m_hDC);
+}
+
+void wxPrinterDC::StartPage()
+{
+    if (m_hDC)
+        ::StartPage((HDC) m_hDC);
 }
 
-wxPrinterDC::~wxPrinterDC(void)
+void wxPrinterDC::EndPage()
 {
+    if (m_hDC)
+        ::EndPage((HDC) m_hDC);
 }
 
+// Returns default device and port names
+static bool wxGetDefaultDeviceName(wxString& deviceName, wxString& portName)
+{
+    deviceName = "";
+
+    LPDEVNAMES  lpDevNames;
+    LPSTR       lpszDriverName;
+    LPSTR       lpszDeviceName;
+    LPSTR       lpszPortName;
+
+    PRINTDLG    pd;
+
+    // Cygwin has trouble believing PRINTDLG is 66 bytes - thinks it is 68
+#ifdef __GNUWIN32__
+    pd.lStructSize    = 66; // sizeof(PRINTDLG);
+#else
+    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);
+        lpszDriverName = (LPSTR)lpDevNames + lpDevNames->wDriverOffset;
+        lpszDeviceName = (LPSTR)lpDevNames + lpDevNames->wDeviceOffset;
+        lpszPortName   = (LPSTR)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 != wxT("") );
+}
+
+#if 0
+// This uses defaults, except for orientation, so we should eliminate this function
+// and use the 2nd form (passing wxPrintData) instead.
 WXHDC wxGetPrinterDC(int orientation)
 {
     HDC         hDC;
@@ -145,7 +298,11 @@ WXHDC wxGetPrinterDC(int orientation)
 
     PRINTDLG    pd;
     // __GNUWIN32__ has trouble believing PRINTDLG is 66 bytes - thinks it is 68
+#ifdef __GNUWIN32__
     pd.lStructSize    = 66; // sizeof(PRINTDLG);
+#else
+    pd.lStructSize    = sizeof(PRINTDLG);
+#endif
     pd.hwndOwner      = (HWND)NULL;
     pd.hDevMode       = NULL; // Will be created by PrintDlg
     pd.hDevNames      = NULL; // Ditto
@@ -192,8 +349,8 @@ WXHDC wxGetPrinterDC(int orientation)
 
     if (pd.hDevNames)
     {
-           GlobalFree(pd.hDevNames);
-           pd.hDevNames=NULL;
+        GlobalFree(pd.hDevNames);
+        pd.hDevNames=NULL;
     }
     if (pd.hDevMode)
     {
@@ -202,5 +359,242 @@ WXHDC wxGetPrinterDC(int orientation)
     }
     return (WXHDC) hDC;
 }
+#endif
 
+// Gets an HDC for the specified printer configuration
+WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& printDataConst)
+{
+    wxPrintData printData = printDataConst;
+    printData.ConvertToNative();
 
+    wxChar* driverName = (wxChar*) NULL;
+
+    wxString devNameStr = printData.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) printData.GetNativeData();
+
+    if ( hDevMode )
+        lpDevMode = (DEVMODE*) GlobalLock(hDevMode);
+
+    if ( !devNameStr )
+    {
+        // Retrieve the default device name
+        wxString portName;
+#ifdef  __WXDEBUG__
+        bool ret =
+#else   // !Debug
+        (void)
+#endif // Debug/Release
+        wxGetDefaultDeviceName(devNameStr, portName);
+
+        wxASSERT_MSG( ret, wxT("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;
+}
+
+// ----------------------------------------------------------------------------
+// wxPrinterDC bit blitting/bitmap drawing
+// ----------------------------------------------------------------------------
+
+// Win16 doesn't define GDI_ERROR.
+#ifndef GDI_ERROR
+#define GDI_ERROR -1
+#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 )
+    {
+        BITMAPINFO *info = (BITMAPINFO *) malloc( sizeof( BITMAPINFOHEADER ) + 256 * sizeof(RGBQUAD ) );
+        memset( info, 0, sizeof( BITMAPINFOHEADER ) );
+
+        int iBitsSize = ((width + 3 ) & ~3 ) * height;
+
+        void* bits = malloc( iBitsSize );
+
+        info->bmiHeader.biSize = sizeof( BITMAPINFOHEADER );
+        info->bmiHeader.biWidth = width;
+        info->bmiHeader.biHeight = height;
+        info->bmiHeader.biPlanes = 1;
+        info->bmiHeader.biBitCount = 8;
+        info->bmiHeader.biCompression = BI_RGB;
+
+        ScreenHDC display;
+        if ( GetDIBits(display, GetHbitmapOf(bmp), 0,
+                       bmp.GetHeight(), bits, info,
+                       DIB_RGB_COLORS) )
+        {
+            if ( ::StretchDIBits(GetHdc(), x, y,
+                                 width, height,
+                                 0 , 0, width, height,
+                                 bits, info,
+                                 DIB_RGB_COLORS, SRCCOPY) == GDI_ERROR )
+            {
+                wxLogLastError(wxT("StretchDIBits"));
+            }
+        }
+
+        free(bits);
+        free(info);
+    }
+    else // no support for StretchDIBits()
+    {
+        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 xsrc, wxCoord ysrc,
+                         int rop, bool useMask)
+{
+    bool success = TRUE;
+
+    if ( useMask )
+    {
+        // 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 dc_src = GetHdcOf(*source);
+        HDC dc_mask = ::CreateCompatibleDC(dc_src);
+
+        ::SelectObject(dc_mask, (HBITMAP) source->GetSelectedBitmap().GetMask()->GetMaskBitmap());
+        for (int x = 0; x < width; x++)
+        {
+            for (int y = 0; y < height; y++)
+            {
+                COLORREF cref = ::GetPixel(dc_mask, x, y);
+                if (cref)
+                {
+                    HBRUSH brush = ::CreateSolidBrush(::GetPixel(dc_src, 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);
+                }
+            }
+        }
+        ::SelectObject(dc_mask, 0);
+        ::DeleteDC(dc_mask);
+    }
+    else // no mask
+    {
+        if ( ::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB )
+        {
+            wxBitmap& bmp = source->GetSelectedBitmap();
+            int width = bmp.GetWidth(),
+                height = bmp.GetHeight();
+
+            BITMAPINFO *info = (BITMAPINFO *) malloc( sizeof( BITMAPINFOHEADER ) + 256 * sizeof(RGBQUAD ) );
+            int iBitsSize = ((width + 3 ) & ~3 ) * height;
+
+            void* bits = malloc( iBitsSize );
+
+            memset( info , 0 , sizeof( BITMAPINFOHEADER ) );
+
+            info->bmiHeader.biSize = sizeof( BITMAPINFOHEADER );
+            info->bmiHeader.biWidth = width;
+            info->bmiHeader.biHeight = height;
+            info->bmiHeader.biPlanes = 1;
+            info->bmiHeader.biBitCount = 8;
+            info->bmiHeader.biCompression = BI_RGB;
+
+            ScreenHDC display;
+            if ( !::GetDIBits(display, GetHbitmapOf(bmp), 0,
+                              height, bits, info, DIB_RGB_COLORS) )
+            {
+                wxLogLastError(wxT("GetDIBits"));
+
+                success = FALSE;
+            }
+
+            if ( success )
+            {
+                success = ::StretchDIBits(GetHdc(), xdest, ydest,
+                                          width, height,
+                                          xsrc, ysrc,
+                                          width, height,
+                                          bits, info ,
+                                          DIB_RGB_COLORS,
+                                          SRCCOPY) != GDI_ERROR;
+                if ( !success )
+                {
+                    wxLogLastError(wxT("StretchDIBits"));
+                }
+            }
+
+            free(bits);
+            free(info);
+        }
+        else // 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 dc_src = GetHdcOf(*source);
+            RECT rect;
+            for (int y = 0; y < height; y++)
+            {
+                // This is Stefan Csomor's optimisation, where identical adjacent
+                // pixels are drawn together.
+                for (int x = 0; x < width; x++)
+                {
+                    COLORREF col = ::GetPixel(dc_src, x, y);
+                    HBRUSH brush = ::CreateSolidBrush( col );
+
+                    rect.left = xdest + x;
+                    rect.top = ydest + y;
+                    while( (x + 1 < width) && (::GetPixel(dc_src, x + 1, y) == col ) )
+                    {
+                        ++x;
+                    }
+                    rect.right = xdest + x + 1;
+                    rect.bottom = rect.top + 1;
+                    ::FillRect((HDC) m_hDC, &rect, brush);
+                    ::DeleteObject(brush);
+                }
+            }
+        }
+    }
+
+    return success;
+}
+
+#endif
+    // wxUSE_PRINTING_ARCHITECTURE