X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/60fe730339d97ce092453353929e97862c5cb719..4ed0aceb92203313439ad8df2cc9623ed56b5486:/src/msw/dcprint.cpp diff --git a/src/msw/dcprint.cpp b/src/msw/dcprint.cpp index 35c9be54be..c39d15dc3f 100644 --- a/src/msw/dcprint.cpp +++ b/src/msw/dcprint.cpp @@ -1,51 +1,78 @@ ///////////////////////////////////////////////////////////////////////////// -// 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 -#include "wx/string.h" -#include "wx/log.h" -#include "wx/window.h" #include "wx/msw/private.h" #include "wx/dcprint.h" #include "math.h" #if wxUSE_COMMON_DIALOGS || defined(__WXWINE__) -#include + #include #endif #ifndef __WIN32__ -#include + #include #endif +// mingw32 defines GDI_ERROR incorrectly +#ifdef __GNUWIN32__ + #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.IsNull() && file != wxT("")) + if ( !!file ) m_printData.SetFilename(file); #if wxUSE_COMMON_DIALOGS @@ -79,7 +106,7 @@ wxPrinterDC::wxPrinterDC(const wxString& driver_name, const wxString& device_nam // m_dontDelete = TRUE; } else -#endif +#endif // wxUSE_COMMON_DIALOGS if ((!driver_name.IsNull() && driver_name != wxT("")) && (!device_name.IsNull() && device_name != wxT("")) && (!file.IsNull() && file != wxT(""))) @@ -138,10 +165,14 @@ wxPrinterDC::wxPrinterDC(WXHDC theDC) SetPen(*wxBLACK_PEN); } -wxPrinterDC::~wxPrinterDC(void) +wxPrinterDC::~wxPrinterDC() { } +// ---------------------------------------------------------------------------- +// wxPrinterDC {Start/End}{Page/Doc} methods +// ---------------------------------------------------------------------------- + bool wxPrinterDC::StartDoc(const wxString& message) { DOCINFO docinfo; @@ -163,20 +194,7 @@ bool wxPrinterDC::StartDoc(const wxString& message) if (!m_hDC) return FALSE; - int ret = -#ifndef __WIN32__ - ::StartDoc((HDC) m_hDC, &docinfo); -#else -#ifdef UNICODE - ::StartDocW((HDC) m_hDC, &docinfo); -#else -#ifdef __TWIN32__ - ::StartDoc((HDC) m_hDC, &docinfo); -#else - ::StartDocA((HDC) m_hDC, &docinfo); -#endif -#endif -#endif + int ret = ::StartDoc(GetHdc(), &docinfo); #ifndef __WIN16__ if (ret <= 0) @@ -189,18 +207,18 @@ bool wxPrinterDC::StartDoc(const wxString& message) return (ret > 0); } -void wxPrinterDC::EndDoc(void) +void wxPrinterDC::EndDoc() { if (m_hDC) ::EndDoc((HDC) m_hDC); } -void wxPrinterDC::StartPage(void) +void wxPrinterDC::StartPage() { if (m_hDC) ::StartPage((HDC) m_hDC); } -void wxPrinterDC::EndPage(void) +void wxPrinterDC::EndPage() { if (m_hDC) ::EndPage((HDC) m_hDC); @@ -350,13 +368,13 @@ WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& printDataConst) wxChar* driverName = (wxChar*) NULL; wxString devNameStr = printData.GetPrinterName(); - wxChar* deviceName; wxChar* portName = (wxChar*) NULL; // Obsolete in WIN32 - if (devNameStr == wxT("")) + const wxChar* deviceName; + if ( !devNameStr ) deviceName = (wxChar*) NULL; else - deviceName = WXSTRINGCAST devNameStr; + deviceName = devNameStr.c_str(); LPDEVMODE lpDevMode = (LPDEVMODE) NULL; @@ -365,7 +383,7 @@ WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& printDataConst) if ( hDevMode ) lpDevMode = (DEVMODE*) GlobalLock(hDevMode); - if (devNameStr == wxT("")) + if ( !devNameStr ) { // Retrieve the default device name wxString portName; @@ -378,7 +396,7 @@ WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& printDataConst) wxASSERT_MSG( ret, wxT("Could not get default device name.") ); - deviceName = WXSTRINGCAST devNameStr; + deviceName = devNameStr.c_str(); } #ifdef __WIN32__ @@ -393,3 +411,185 @@ WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& printDataConst) 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("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("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("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; +}