mirror of
https://github.com/wxWidgets/wxWidgets.git
synced 2026-09-18 11:29:22 +08:00
Robert Roebling
fd64de596c
those of the preexisting wxMac class. This should
make transition of the wxMac classes to the new
wxPrintNativeData classes easier.
Renamed wxWindowsPrintNativeData to a proper name
that is less confusing (GetNativeData -> GetDevMode).
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29956 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
479 lines
13 KiB
C++
479 lines
13 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/msw/dcprint.cpp
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// Purpose: wxPrinterDC class
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// Author: Julian Smart
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// Modified by:
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// Created: 01/02/97
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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#pragma implementation "dcprint.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/string.h"
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#include "wx/log.h"
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#include "wx/window.h"
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#include "wx/dcmemory.h"
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#endif
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#if wxUSE_PRINTING_ARCHITECTURE
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#include "wx/msw/private.h"
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#if wxUSE_WXDIB
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#include "wx/msw/dib.h"
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#endif
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#include "wx/dcprint.h"
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#include "wx/printdlg.h"
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#include "math.h"
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#if wxUSE_COMMON_DIALOGS
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#include <commdlg.h>
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#endif
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#ifndef __WIN32__
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#include <print.h>
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#endif
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// mingw32 defines GDI_ERROR incorrectly
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#if defined(__GNUWIN32__) || !defined(GDI_ERROR)
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#undef GDI_ERROR
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#define GDI_ERROR ((int)-1)
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#endif
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// ----------------------------------------------------------------------------
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// wxWin macros
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// ----------------------------------------------------------------------------
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IMPLEMENT_CLASS(wxPrinterDC, wxDC)
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// wxPrinterDC construction
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// ----------------------------------------------------------------------------
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// This form is deprecated
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wxPrinterDC::wxPrinterDC(const wxString& driver_name,
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const wxString& device_name,
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const wxString& file,
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bool interactive,
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int orientation)
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{
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m_isInteractive = interactive;
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if ( !file.empty() )
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m_printData.SetFilename(file);
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#if wxUSE_COMMON_DIALOGS
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if ( interactive )
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{
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PRINTDLG pd;
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pd.lStructSize = sizeof( PRINTDLG );
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pd.hwndOwner = (HWND) NULL;
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pd.hDevMode = (HANDLE)NULL;
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pd.hDevNames = (HANDLE)NULL;
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pd.Flags = PD_RETURNDC | PD_NOSELECTION | PD_NOPAGENUMS;
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pd.nFromPage = 0;
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pd.nToPage = 0;
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pd.nMinPage = 0;
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pd.nMaxPage = 0;
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pd.nCopies = 1;
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pd.hInstance = (HINSTANCE)NULL;
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m_ok = PrintDlg( &pd ) != 0;
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if ( m_ok )
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{
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m_hDC = (WXHDC) pd.hDC;
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}
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}
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else
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#endif // wxUSE_COMMON_DIALOGS
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{
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if ( !driver_name.empty() && !device_name.empty() && !file.empty() )
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{
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m_hDC = (WXHDC) CreateDC(driver_name, device_name, file, NULL);
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}
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else // we don't have all parameters, ask the user
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{
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wxPrintData printData;
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printData.SetOrientation(orientation);
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m_hDC = wxGetPrinterDC(printData);
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}
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m_ok = m_hDC ? true: false;
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// as we created it, we must delete it as well
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m_bOwnsDC = true;
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}
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Init();
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}
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wxPrinterDC::wxPrinterDC(const wxPrintData& printData)
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{
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m_printData = printData;
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m_isInteractive = false;
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m_hDC = wxGetPrinterDC(printData);
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m_ok = m_hDC != 0;
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m_bOwnsDC = true;
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Init();
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}
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wxPrinterDC::wxPrinterDC(WXHDC dc)
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{
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m_isInteractive = false;
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m_hDC = dc;
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m_bOwnsDC = true;
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m_ok = true;
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}
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void wxPrinterDC::Init()
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{
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if ( m_hDC )
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{
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// int width = GetDeviceCaps(m_hDC, VERTRES);
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// int height = GetDeviceCaps(m_hDC, HORZRES);
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SetMapMode(wxMM_TEXT);
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SetBrush(*wxBLACK_BRUSH);
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SetPen(*wxBLACK_PEN);
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}
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}
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// ----------------------------------------------------------------------------
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// wxPrinterDC {Start/End}{Page/Doc} methods
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// ----------------------------------------------------------------------------
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bool wxPrinterDC::StartDoc(const wxString& message)
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{
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DOCINFO docinfo;
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docinfo.cbSize = sizeof(DOCINFO);
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docinfo.lpszDocName = (const wxChar*)message;
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wxString filename(m_printData.GetFilename());
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if (filename.IsEmpty())
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docinfo.lpszOutput = NULL;
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else
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docinfo.lpszOutput = (const wxChar *) filename;
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#if defined(__WIN95__)
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docinfo.lpszDatatype = NULL;
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docinfo.fwType = 0;
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#endif
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if (!m_hDC)
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return false;
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int ret = ::StartDoc(GetHdc(), &docinfo);
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if (ret <= 0)
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{
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DWORD lastError = GetLastError();
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wxLogDebug(wxT("wxDC::StartDoc failed with error: %ld\n"), lastError);
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}
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return (ret > 0);
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}
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void wxPrinterDC::EndDoc()
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{
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if (m_hDC) ::EndDoc((HDC) m_hDC);
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}
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void wxPrinterDC::StartPage()
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{
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if (m_hDC)
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::StartPage((HDC) m_hDC);
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}
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void wxPrinterDC::EndPage()
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{
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if (m_hDC)
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::EndPage((HDC) m_hDC);
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}
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// Returns default device and port names
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static bool wxGetDefaultDeviceName(wxString& deviceName, wxString& portName)
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{
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deviceName.clear();
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LPDEVNAMES lpDevNames;
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LPTSTR lpszDeviceName;
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LPTSTR lpszPortName;
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PRINTDLG pd;
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// Cygwin has trouble believing PRINTDLG is 66 bytes - thinks it is 68
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#ifdef __GNUWIN32__
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memset(&pd, 0, 66);
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pd.lStructSize = 66; // sizeof(PRINTDLG);
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#else
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memset(&pd, 0, sizeof(PRINTDLG));
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pd.lStructSize = sizeof(PRINTDLG);
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#endif
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pd.hwndOwner = (HWND)NULL;
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pd.hDevMode = NULL; // Will be created by PrintDlg
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pd.hDevNames = NULL; // Ditto
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pd.Flags = PD_RETURNDEFAULT;
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pd.nCopies = 1;
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if (!PrintDlg((LPPRINTDLG)&pd))
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{
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if ( pd.hDevMode )
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GlobalFree(pd.hDevMode);
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if (pd.hDevNames)
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GlobalFree(pd.hDevNames);
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return false;
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}
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if (pd.hDevNames)
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{
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lpDevNames = (LPDEVNAMES)GlobalLock(pd.hDevNames);
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lpszDeviceName = (LPTSTR)lpDevNames + lpDevNames->wDeviceOffset;
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lpszPortName = (LPTSTR)lpDevNames + lpDevNames->wOutputOffset;
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deviceName = lpszDeviceName;
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portName = lpszPortName;
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GlobalUnlock(pd.hDevNames);
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GlobalFree(pd.hDevNames);
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pd.hDevNames=NULL;
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}
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if (pd.hDevMode)
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{
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GlobalFree(pd.hDevMode);
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pd.hDevMode=NULL;
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}
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return ( deviceName != wxEmptyString );
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}
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// Gets an HDC for the specified printer configuration
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WXHDC WXDLLEXPORT wxGetPrinterDC(const wxPrintData& printDataConst)
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{
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wxWindowsPrintNativeData *data =
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(wxWindowsPrintNativeData *) printDataConst.GetNativeData();
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data->TransferFrom( printDataConst );
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wxChar* driverName = (wxChar*) NULL;
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wxString devNameStr = printDataConst.GetPrinterName();
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wxChar* portName = (wxChar*) NULL; // Obsolete in WIN32
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const wxChar* deviceName;
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if ( !devNameStr )
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deviceName = (wxChar*) NULL;
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else
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deviceName = devNameStr.c_str();
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LPDEVMODE lpDevMode = (LPDEVMODE) NULL;
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HGLOBAL hDevMode = (HGLOBAL)(DWORD) data->GetDevMode();
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if ( hDevMode )
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lpDevMode = (DEVMODE*) GlobalLock(hDevMode);
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if ( !devNameStr )
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{
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// Retrieve the default device name
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wxString portName;
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if ( !wxGetDefaultDeviceName(devNameStr, portName) )
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{
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return 0; // Could not get default device name
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}
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deviceName = devNameStr.c_str();
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}
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#ifdef __WIN32__
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HDC hDC = CreateDC(driverName, deviceName, portName, (DEVMODE *) lpDevMode);
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#else
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HDC hDC = CreateDC(driverName, deviceName, portName, (LPSTR) lpDevMode);
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#endif
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if (hDevMode && lpDevMode)
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GlobalUnlock(hDevMode);
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return (WXHDC) hDC;
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}
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// ----------------------------------------------------------------------------
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// wxPrinterDC bit blitting/bitmap drawing
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// ----------------------------------------------------------------------------
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// helper of DoDrawBitmap() and DoBlit()
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static
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bool DrawBitmapUsingStretchDIBits(HDC hdc,
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const wxBitmap& bmp,
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wxCoord x, wxCoord y)
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{
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#if wxUSE_WXDIB
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wxDIB dib(bmp);
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bool ok = dib.IsOk();
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if ( !ok )
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return false;
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DIBSECTION ds;
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if ( !::GetObject(dib.GetHandle(), sizeof(ds), &ds) )
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{
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wxLogLastError(_T("GetObject(DIBSECTION)"));
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return false;
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}
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// ok, we've got all data we need, do blit it
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if ( ::StretchDIBits
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(
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hdc,
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x, y,
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ds.dsBmih.biWidth, ds.dsBmih.biHeight,
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0, 0,
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ds.dsBmih.biWidth, ds.dsBmih.biHeight,
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ds.dsBm.bmBits,
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(LPBITMAPINFO)&ds.dsBmih,
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DIB_RGB_COLORS,
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SRCCOPY
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) == GDI_ERROR )
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{
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wxLogLastError(wxT("StretchDIBits"));
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return false;
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}
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return true;
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#else
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return false;
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#endif
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}
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void wxPrinterDC::DoDrawBitmap(const wxBitmap& bmp,
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wxCoord x, wxCoord y,
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bool useMask)
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{
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wxCHECK_RET( bmp.Ok(), _T("invalid bitmap in wxPrinterDC::DrawBitmap") );
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int width = bmp.GetWidth(),
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height = bmp.GetHeight();
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if ( !(::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB) ||
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!DrawBitmapUsingStretchDIBits(GetHdc(), bmp, x, y) )
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{
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// no support for StretchDIBits() or an error occured if we got here
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wxMemoryDC memDC;
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memDC.SelectObject(bmp);
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Blit(x, y, width, height, &memDC, 0, 0, wxCOPY, useMask);
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memDC.SelectObject(wxNullBitmap);
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}
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}
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bool wxPrinterDC::DoBlit(wxCoord xdest, wxCoord ydest,
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wxCoord width, wxCoord height,
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wxDC *source,
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wxCoord WXUNUSED(xsrc), wxCoord WXUNUSED(ysrc),
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int WXUNUSED(rop), bool useMask,
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wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask))
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{
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wxBitmap& bmp = source->GetSelectedBitmap();
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wxMask *mask = useMask ? bmp.GetMask() : NULL;
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if ( mask )
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{
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// If we are printing source colours are screen colours not printer
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// colours and so we need copy the bitmap pixel by pixel.
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RECT rect;
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HDC dcSrc = GetHdcOf(*source);
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MemoryHDC dcMask(dcSrc);
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SelectInHDC selectMask(dcMask, (HBITMAP)mask->GetMaskBitmap());
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for (int x = 0; x < width; x++)
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{
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for (int y = 0; y < height; y++)
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{
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COLORREF cref = ::GetPixel(dcMask, x, y);
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if (cref)
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{
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HBRUSH brush = ::CreateSolidBrush(::GetPixel(dcSrc, x, y));
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rect.left = xdest + x;
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rect.right = rect.left + 1;
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rect.top = ydest + y;
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rect.bottom = rect.top + 1;
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::FillRect(GetHdc(), &rect, brush);
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::DeleteObject(brush);
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}
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}
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}
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}
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else // no mask
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{
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if ( !(::GetDeviceCaps(GetHdc(), RASTERCAPS) & RC_STRETCHDIB) ||
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!DrawBitmapUsingStretchDIBits(GetHdc(), bmp, xdest, ydest) )
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{
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// no support for StretchDIBits
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// as we are printing, source colours are screen colours not
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// printer colours and so we need copy the bitmap pixel by pixel.
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HDC dcSrc = GetHdcOf(*source);
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RECT rect;
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for (int y = 0; y < height; y++)
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{
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// optimization: draw identical adjacent pixels together.
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for (int x = 0; x < width; x++)
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{
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COLORREF col = ::GetPixel(dcSrc, x, y);
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HBRUSH brush = ::CreateSolidBrush( col );
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rect.left = xdest + x;
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rect.top = ydest + y;
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while( (x + 1 < width) &&
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(::GetPixel(dcSrc, x + 1, y) == col ) )
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{
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++x;
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}
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rect.right = xdest + x + 1;
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rect.bottom = rect.top + 1;
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::FillRect((HDC) m_hDC, &rect, brush);
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::DeleteObject(brush);
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}
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}
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}
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}
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return true;
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}
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#endif
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// wxUSE_PRINTING_ARCHITECTURE
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