src/common/prntbase.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        prntbase.cpp
// Purpose:     Printing framework base class implementation
// Author:      Julian Smart
// Modified by:
// Created:     04/01/98
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart and Markus Holzem
// Licence:   	wxWindows license
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation "prntbase.h"
#endif

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

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#include "wx/defs.h"

#ifdef __WXMSW__
#define __GOOD_COMPILER__
#endif

#ifndef WX_PRECOMP
#include "wx/utils.h"
#include "wx/dc.h"
#include "wx/app.h"
#include "wx/msgdlg.h"
#include "wx/layout.h"
#include "wx/choice.h"
#include "wx/button.h"
#include "wx/settings.h"
#include "wx/dcmemory.h"
#include "wx/stattext.h"
#include "wx/intl.h"
#endif

#include "wx/prntbase.h"
#include "wx/dcprint.h"
#include "wx/printdlg.h"

#include <stdlib.h>
#include <string.h>

#ifdef __WXMSW__
#include <windows.h>
#include <commdlg.h>

// Clash with Windows header files
#ifdef StartDoc
#undef StartDoc
#endif

#ifndef __WIN32__
#include <print.h>
#endif

#if !defined(APIENTRY)	// NT defines APIENTRY, 3.x not
#define APIENTRY FAR PASCAL
#endif

#ifdef __WIN32__
#define _EXPORT /**/
#else
#define _EXPORT _export
typedef signed short int SHORT ;
#endif

#if !defined(__WIN32__)	// 3.x uses FARPROC for dialogs
#define DLGPROC FARPROC
#endif

LONG APIENTRY _EXPORT wxAbortProc(HDC hPr, int Code);
#endif
 // End __WXMSW__

#if !USE_SHARED_LIBRARY
IMPLEMENT_CLASS(wxPrinterBase, wxObject)
IMPLEMENT_ABSTRACT_CLASS(wxPrintout, wxObject)
IMPLEMENT_CLASS(wxPreviewCanvas, wxWindow)
IMPLEMENT_CLASS(wxPreviewControlBar, wxWindow)
IMPLEMENT_CLASS(wxPreviewFrame, wxFrame)
IMPLEMENT_CLASS(wxPrintPreviewBase, wxObject)

BEGIN_EVENT_TABLE(wxPrintAbortDialog, wxDialog)
	EVT_BUTTON(wxID_CANCEL, wxPrintAbortDialog::OnCancel)
END_EVENT_TABLE()

BEGIN_EVENT_TABLE(wxPreviewCanvas, wxScrolledWindow)
    EVT_PAINT(wxPreviewCanvas::OnPaint)
    EVT_SYS_COLOUR_CHANGED(wxPreviewCanvas::OnSysColourChanged)
END_EVENT_TABLE()
#endif

/*
 * Printer
 */

wxPrinterBase::wxPrinterBase(wxPrintData *data)
{
  currentPrintout = NULL;
  abortWindow = NULL;
  abortIt = FALSE;
  if (data)
    printData = (*data);
}

wxWindow *wxPrinterBase::abortWindow = NULL;
bool wxPrinterBase::abortIt = FALSE;

wxPrinterBase::~wxPrinterBase(void)
{
}

void wxPrintAbortDialog::OnCancel(wxCommandEvent& WXUNUSED(event))
{
  wxPrinterBase::abortIt = TRUE;
  wxPrinterBase::abortWindow->Show(FALSE);
  wxPrinterBase::abortWindow->Close(TRUE);
  wxPrinterBase::abortWindow = NULL;
}

wxWindow *wxPrinterBase::CreateAbortWindow(wxWindow *parent, wxPrintout *WXUNUSED(printout))
{
  wxPrintAbortDialog *dialog = new wxPrintAbortDialog(parent, _("Printing"), wxPoint(0, 0), wxSize(400, 400));
  (void) new wxStaticText(dialog, -1, _("Please wait..."), wxPoint(5, 5));

  wxButton *button = new wxButton(dialog, wxID_CANCEL, _("Cancel"), wxPoint(5, 30));

  dialog->Fit();
  button->Centre(wxHORIZONTAL);

  dialog->Centre();
  return dialog;
}

void wxPrinterBase::ReportError(wxWindow *parent, wxPrintout *WXUNUSED(printout), char *message)
{
  wxMessageBox(message, "Printing Error", wxOK, parent);
}

/*
 * Printout class
 */

wxPrintout::wxPrintout(const char *title)
{
  printoutTitle = title ? copystring(title) : NULL;
  printoutDC = NULL;
  pageWidthMM = 0;
  pageHeightMM = 0;
  pageWidthPixels = 0;
  pageHeightPixels = 0;
  PPIScreenX = 0;
  PPIScreenY = 0;
  PPIPrinterX = 0;
  PPIPrinterY = 0;
  isPreview = FALSE;
}

wxPrintout::~wxPrintout(void)
{
  if (printoutTitle)
    delete[] printoutTitle;
}

bool wxPrintout::OnBeginDocument(int WXUNUSED(startPage), int WXUNUSED(endPage))
{
  return GetDC()->StartDoc("Printing");
}

void wxPrintout::OnEndDocument(void)
{
  GetDC()->EndDoc();
}

void wxPrintout::OnBeginPrinting(void)
{
}

void wxPrintout::OnEndPrinting(void)
{
}

bool wxPrintout::HasPage(int page)
{
  return (page == 1);
}

void wxPrintout::GetPageInfo(int *minPage, int *maxPage, int *fromPage, int *toPage)
{
  *minPage = 1;
  *maxPage = 32000;
  *fromPage = 1;
  *toPage = 1;
}

/*
 * Preview canvas
 */

wxPreviewCanvas::wxPreviewCanvas(wxPrintPreviewBase *preview, wxWindow *parent,
		const wxPoint& pos, const wxSize& size, long style, const wxString& name):
 wxScrolledWindow(parent, -1, pos, size, style, name)
{
  printPreview = preview;
  SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));

  SetScrollbars(40, 40, 100, 100);
}

wxPreviewCanvas::~wxPreviewCanvas(void)
{
}

void wxPreviewCanvas::OnPaint(wxPaintEvent& WXUNUSED(event))
{
  wxPaintDC dc(this);

  if (printPreview)
  {
    printPreview->PaintPage(this, dc);
  }
}

// Responds to colour changes, and passes event on to children.
void wxPreviewCanvas::OnSysColourChanged(wxSysColourChangedEvent& event)
{
  SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
  Refresh();

  // Propagate the event to the non-top-level children
  wxWindow::OnSysColourChanged(event);
}

/*
 * Preview control bar
 */

BEGIN_EVENT_TABLE(wxPreviewControlBar, wxPanel)
	EVT_BUTTON(wxID_PREVIEW_CLOSE, 		wxPreviewControlBar::OnClose)
	EVT_BUTTON(wxID_PREVIEW_PRINT, 		wxPreviewControlBar::OnPrint)
	EVT_BUTTON(wxID_PREVIEW_PREVIOUS, 	wxPreviewControlBar::OnPrevious)
	EVT_BUTTON(wxID_PREVIEW_NEXT, 		wxPreviewControlBar::OnNext)
	EVT_CHOICE(wxID_PREVIEW_ZOOM, 		wxPreviewControlBar::OnZoom)
    EVT_PAINT(wxPreviewControlBar::OnPaint)
END_EVENT_TABLE()

wxPreviewControlBar::wxPreviewControlBar(wxPrintPreviewBase *preview, long buttons,
    wxWindow *parent, const wxPoint& pos, const wxSize& size,
    long style, const wxString& name):
  wxPanel(parent, -1, pos, size, style, name)
{
  printPreview = preview;
  closeButton = NULL;
  nextPageButton = NULL;
  previousPageButton = NULL;
  printButton = NULL;
  zoomControl = NULL;
  buttonFlags = buttons;
}

wxFont *wxPreviewControlBar::buttonFont = NULL;

wxPreviewControlBar::~wxPreviewControlBar(void)
{
}

void wxPreviewControlBar::OnPaint(wxPaintEvent& WXUNUSED(event))
{
  wxPaintDC dc(this);

  int w, h;
  GetSize(&w, &h);
  dc.SetPen(*wxBLACK_PEN);
  dc.SetBrush(*wxTRANSPARENT_BRUSH);
  dc.DrawLine( 0, h-1, w, h-1 );
}

void wxPreviewControlBar::OnClose(wxCommandEvent& WXUNUSED(event))
{
  wxPreviewFrame *frame = (wxPreviewFrame *)GetParent();
  frame->Close(TRUE);
}

void wxPreviewControlBar::OnPrint(wxCommandEvent& WXUNUSED(event))
{
  wxPrintPreviewBase *preview = GetPrintPreview();
  preview->Print(TRUE);
}

void wxPreviewControlBar::OnNext(wxCommandEvent& WXUNUSED(event))
{
  wxPrintPreviewBase *preview = GetPrintPreview();
  if (preview)
  {
    int currentPage = preview->GetCurrentPage();
    if ((preview->GetMaxPage() > 0) &&
        (currentPage < preview->GetMaxPage()) &&
        preview->GetPrintout()->HasPage(currentPage + 1))
    {
      preview->SetCurrentPage(currentPage + 1);
    }
  }
}

void wxPreviewControlBar::OnPrevious(wxCommandEvent& WXUNUSED(event))
{
  wxPrintPreviewBase *preview = GetPrintPreview();
  if (preview)
  {
    int currentPage = preview->GetCurrentPage();
    if ((preview->GetMinPage() > 0) &&
        (currentPage > preview->GetMinPage()) &&
        preview->GetPrintout()->HasPage(currentPage - 1))
    {
      preview->SetCurrentPage(currentPage - 1);
    }
  }
}

void wxPreviewControlBar::OnZoom(wxCommandEvent& WXUNUSED(event))
{
  int zoom = GetZoomControl();
  if (GetPrintPreview())
    GetPrintPreview()->SetZoom(zoom);
}

void wxPreviewControlBar::CreateButtons(void)
{
#ifdef __GOOD_COMPILER__ // Robert Roebling

  SetSize(0, 0, 400, 40);

#ifdef __WXMSW__
  int fontSize = 9;
#else
  int fontSize = 10;
#endif

  if (!buttonFont)
    buttonFont = wxTheFontList->FindOrCreateFont(fontSize, wxSWISS, wxNORMAL, wxBOLD);
  SetButtonFont(*buttonFont);

  int buttonWidth = 65;
  int buttonHeight = 24;

  int x = 5;
  int y = 5;
  int gap = 5;

  closeButton = new wxButton(this, wxID_PREVIEW_CLOSE, "Close",
  	wxPoint(x, y), wxSize(buttonWidth, buttonHeight));

  x += gap + buttonWidth;

  if (buttonFlags & wxPREVIEW_PRINT)
  {
    printButton =  new wxButton(this, wxID_PREVIEW_PRINT, "Print...", wxPoint(x, y),
		wxSize(buttonWidth, buttonHeight));
	x += gap + buttonWidth;
  }

  if (buttonFlags & wxPREVIEW_PREVIOUS)
  {
    previousPageButton = new wxButton(this, wxID_PREVIEW_PREVIOUS, "<<", wxPoint(x, y),
		wxSize(buttonWidth, buttonHeight));
	x += gap + buttonWidth;
  }

  if (buttonFlags & wxPREVIEW_NEXT)
  {
    nextPageButton = new wxButton(this, wxID_PREVIEW_NEXT, ">>",
	 	wxPoint(x, y), wxSize(buttonWidth, buttonHeight));
	x += gap + buttonWidth;
  }

  static wxString choices[] = { "10%", "20%", "25%", "30%", "35%", "40%", "45%", "50%", "55%", "60%",
    "65%", "70%", "75%", "80%", "85%", "90%", "95%", "100%", "110%", "120%", "150%", "200%" };
  int n = 22;
  if (buttonFlags & wxPREVIEW_ZOOM)
  {
    zoomControl = new wxChoice(this, wxID_PREVIEW_ZOOM, wxPoint(x, y),
		wxSize(100, -1), n, (wxString *)choices);
    SetZoomControl(printPreview->GetZoom());
  }

  closeButton->SetDefault();

#endif
}

void wxPreviewControlBar::SetZoomControl(int zoom)
{
#ifdef __GOOD_COMPILER__ // Robert Roebling
  char buf[20];
  sprintf(buf, "%d%%", zoom);
  if (zoomControl)
    zoomControl->SetStringSelection(buf);
#endif
}

int wxPreviewControlBar::GetZoomControl(void)
{
#ifdef __GOOD_COMPILER__ // Robert Roebling
  char buf[20];
  if (zoomControl && zoomControl->GetStringSelection())
  {
    strcpy(buf, zoomControl->GetStringSelection());
    buf[strlen(buf) - 1] = 0;
    return (int)atoi(buf);
  }
  else return 0;
#else
  return 0;
#endif
}


/*
 * Preview frame
 */

wxPreviewFrame::wxPreviewFrame(wxPrintPreviewBase *preview, wxFrame *parent, const wxString& title,
    const wxPoint& pos, const wxSize& size, long style, const wxString& name):
 wxFrame(parent, -1, title, pos, size, style, name)
{
#ifdef __GOOD_COMPILER__ // Robert Roebling

  printPreview = preview;
  controlBar = NULL;
  previewCanvas = NULL;
#endif
}

wxPreviewFrame::~wxPreviewFrame(void)
{
}

bool wxPreviewFrame::OnClose(void)
{
#ifdef __GOOD_COMPILER__ // Robert Roebling

  MakeModal(FALSE);

  // Need to delete the printout and the print preview
  wxPrintout *printout = printPreview->GetPrintout();
  if (printout)
  {
    delete printout;
    printPreview->SetPrintout(NULL);
    printPreview->SetCanvas(NULL);
    printPreview->SetFrame(NULL);
  }
  delete printPreview;
  return TRUE;
#else
  return FALSE;
#endif
}

void wxPreviewFrame::Initialize(void)
{

#ifdef __GOOD_COMPILER__ // Robert Roebling

  CreateStatusBar();

  CreateCanvas();
  CreateControlBar();

  printPreview->SetCanvas(previewCanvas);
  printPreview->SetFrame(this);

  // Set layout constraints here

  // Control bar constraints
  wxLayoutConstraints *c1 = new wxLayoutConstraints;
//  int w, h;
//  controlBar->GetSize(&w, &h);
  int h;
#ifdef __WXMSW__
  h = 40;
#else
  h = 60;
#endif

  c1->left.SameAs       (this, wxLeft);
  c1->top.SameAs        (this, wxTop);
  c1->right.SameAs      (this, wxRight);
  c1->height.Absolute   (h);

  controlBar->SetConstraints(c1);

  // Canvas constraints
  wxLayoutConstraints *c2 = new wxLayoutConstraints;

  c2->left.SameAs       (this, wxLeft);
  c2->top.Below         (controlBar);
  c2->right.SameAs      (this, wxRight);
  c2->bottom.SameAs     (this, wxBottom);

  previewCanvas->SetConstraints(c2);

  SetAutoLayout(TRUE);

  MakeModal(TRUE);

  Layout();

#endif
}

void wxPreviewFrame::CreateCanvas(void)
{
#ifdef __GOOD_COMPILER__ // Robert Roebling

  previewCanvas = new wxPreviewCanvas(printPreview, this);

#endif
}

void wxPreviewFrame::CreateControlBar(void)
{
#ifdef __GOOD_COMPILER__ // Robert Roebling

  long buttons = wxPREVIEW_DEFAULT;
  if (printPreview->GetPrintoutForPrinting())
    buttons |= wxPREVIEW_PRINT;

  controlBar = new wxPreviewControlBar(printPreview, buttons, this, wxPoint(0, 0), wxSize(400, 40));
  controlBar->CreateButtons();
#endif
}

/*
 * Print preview
 */

wxPrintPreviewBase::wxPrintPreviewBase(wxPrintout *printout, wxPrintout *printoutForPrinting, wxPrintData *data)
{

#ifdef __GOOD_COMPILER__ // Robert Roebling

  isOk = TRUE;
  previewPrintout = printout;
  if (previewPrintout)
    previewPrintout->SetIsPreview(TRUE);

  printPrintout = printoutForPrinting;
  if (data)
    printData = (*data);

  previewCanvas = NULL;
  previewFrame = NULL;
  previewBitmap = NULL;
  currentPage = 1;
  currentZoom = 30;
  topMargin = 40;
  leftMargin = 40;
  pageWidth = 0;
  pageHeight = 0;

  printout->OnPreparePrinting();

  // Get some parameters from the printout, if defined
  int selFrom, selTo;
  printout->GetPageInfo(&minPage, &maxPage, &selFrom, &selTo);

#endif
}

wxPrintPreviewBase::~wxPrintPreviewBase(void)
{
#ifdef __GOOD_COMPILER__ // Robert Roebling

  if (previewPrintout)
    delete previewPrintout;
  if (previewBitmap)
    delete previewBitmap;
  if (printPrintout)
    delete printPrintout;

#endif
}

bool wxPrintPreviewBase::SetCurrentPage(int pageNum)
{
#ifdef __GOOD_COMPILER__ // Robert Roebling
  if (currentPage == pageNum)
    return TRUE;

  currentPage = pageNum;
  if (previewBitmap)
  {
    delete previewBitmap;
    previewBitmap = NULL;
  }

  if (previewCanvas)
  {
    RenderPage(pageNum);
    previewCanvas->Refresh();
  }

#endif
  return TRUE;
}

bool wxPrintPreviewBase::PaintPage(wxWindow *canvas, wxDC& dc)
{

#ifdef __GOOD_COMPILER__  // Robert Roebling

  DrawBlankPage(canvas, dc);

  if (!previewBitmap)
    RenderPage(currentPage);

  if (!previewBitmap)
    return FALSE;

  if (!canvas)
    return FALSE;

  int canvasWidth, canvasHeight;
  canvas->GetSize(&canvasWidth, &canvasHeight);

  float zoomScale = (float)((float)currentZoom/(float)100);
  float actualWidth = (float)(zoomScale*pageWidth*previewScale);
//  float actualHeight = (float)(zoomScale*pageHeight*previewScale);

  float x = (float)((canvasWidth - actualWidth)/2.0);
  if (x < leftMargin)
    x = (float)leftMargin;
  float y = (float)topMargin;

  wxMemoryDC temp_dc;
  temp_dc.SelectObject(*previewBitmap);

  dc.Blit((float)x, (float)y, (float)previewBitmap->GetWidth(), (float)previewBitmap->GetHeight(), &temp_dc, (float)0, (float)0);

  temp_dc.SelectObject(wxNullBitmap);

#endif

  return TRUE;
}

bool wxPrintPreviewBase::RenderPage(int pageNum)
{
  int canvasWidth, canvasHeight;

#ifdef __GOOD_COMPILER__  // Robert Roebling

  if (!previewCanvas)
  {
    wxMessageBox("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!",
      "Print Preview Failure", wxOK);
    return FALSE;
  }
  previewCanvas->GetSize(&canvasWidth, &canvasHeight);

  float zoomScale = (float)((float)currentZoom/(float)100);
  float actualWidth = (float)(zoomScale*pageWidth*previewScale);
  float actualHeight = (float)(zoomScale*pageHeight*previewScale);

  float x = (float)((canvasWidth - actualWidth)/2.0);
  if (x < leftMargin)
    x = (float)leftMargin;
//  float y = topMargin;


  if (!previewBitmap)
  {
    previewBitmap = new wxBitmap((int)actualWidth, (int)actualHeight);
    if (!previewBitmap || !previewBitmap->Ok())
    {
      if (previewBitmap)
        delete previewBitmap;
      wxMessageBox("Sorry, not enough memory to create a preview.", "Print Preview Failure", wxOK);
      return FALSE;
    }
  }

  wxMemoryDC memoryDC;
  memoryDC.SelectObject(*previewBitmap);

  memoryDC.Clear();

  previewPrintout->SetDC(&memoryDC);
  previewPrintout->SetPageSizePixels(pageWidth, pageHeight);

  previewPrintout->OnBeginPrinting();


  if (!previewPrintout->OnBeginDocument(printData.GetFromPage(), printData.GetToPage()))
  {
    wxMessageBox("Could not start document preview.", "Print Preview Failure", wxOK);

    memoryDC.SelectObject(wxNullBitmap);

    delete previewBitmap;
    return FALSE;
  }

  previewPrintout->OnPrintPage(pageNum);
  previewPrintout->OnEndDocument();
  previewPrintout->OnEndPrinting();

  previewPrintout->SetDC(NULL);

  memoryDC.SelectObject(wxNullBitmap);
#endif

  char buf[200];
  if (maxPage != 0)
    sprintf(buf, "Page %d of %d", pageNum, maxPage);
  else
    sprintf(buf, "Page %d", pageNum);

  if (previewFrame)
    previewFrame->SetStatusText(buf);

  return TRUE;
}


bool wxPrintPreviewBase::DrawBlankPage(wxWindow *canvas, wxDC& dc)
{

#ifdef __GOOD_COMPILER__ // Robert Roebling

  int canvasWidth, canvasHeight;
  canvas->GetSize(&canvasWidth, &canvasHeight);

  float zoomScale = (float)((float)currentZoom/(float)100);
  float actualWidth = zoomScale*pageWidth*previewScale;
  float actualHeight = zoomScale*pageHeight*previewScale;

  float x = (float)((canvasWidth - actualWidth)/2.0);
  if (x < leftMargin)
    x = (float)leftMargin;
  float y = (float)topMargin;

  // Draw shadow, allowing for 1-pixel border AROUND the actual page
  int shadowOffset = 4;
  dc.SetPen(*wxBLACK_PEN);
  dc.SetBrush(*wxBLACK_BRUSH);
  dc.DrawRectangle(x-1 + shadowOffset, y-1 + shadowOffset, actualWidth+2, actualHeight+2);

  // Draw blank page allowing for 1-pixel border AROUND the actual page
  dc.SetPen(*wxBLACK_PEN);
  dc.SetBrush(*wxWHITE_BRUSH);


  dc.DrawRectangle(x-1, y-1, actualWidth+2, actualHeight+2);

#endif

  return TRUE;
}

void wxPrintPreviewBase::SetZoom(int percent)
{
#ifdef __GOOD_COMPILER__ // Robert Roebling
  if (currentZoom == percent)
    return;

  currentZoom = percent;
  if (previewBitmap)
  {
    delete previewBitmap;
    previewBitmap = NULL;
  }
  RenderPage(currentPage);

  if (previewCanvas)
  {
    previewCanvas->Clear();
    previewCanvas->Refresh();
  }
#endif

}
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: prntbase.cpp
	3	// Purpose: Printing framework base class implementation
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 04/01/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Julian Smart and Markus Holzem
	9	// Licence: wxWindows license
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifdef __GNUG__
	13	#pragma implementation "prntbase.h"
	14	#endif
	15
	16	// For compilers that support precompilation, includes "wx.h".
	17	#include "wx/wxprec.h"
	18
	19	#ifdef __BORLANDC__
	20	#pragma hdrstop
	21	#endif
	22
	23	#include "wx/defs.h"
	24
	25	#ifdef __WXMSW__
	26	#define __GOOD_COMPILER__
	27	#endif
	28
	29	#ifndef WX_PRECOMP
	30	#include "wx/utils.h"
	31	#include "wx/dc.h"
	32	#include "wx/app.h"
	33	#include "wx/msgdlg.h"
	34	#include "wx/layout.h"
	35	#include "wx/choice.h"
	36	#include "wx/button.h"
	37	#include "wx/settings.h"
	38	#include "wx/dcmemory.h"
	39	#include "wx/stattext.h"
	40	#include "wx/intl.h"
	41	#endif
	42
	43	#include "wx/prntbase.h"
	44	#include "wx/dcprint.h"
	45	#include "wx/printdlg.h"
	46
	47	#include <stdlib.h>
	48	#include <string.h>
	49
	50	#ifdef __WXMSW__
	51	#include <windows.h>
	52	#include <commdlg.h>
	53
	54	// Clash with Windows header files
	55	#ifdef StartDoc
	56	#undef StartDoc
	57	#endif
	58
	59	#ifndef __WIN32__
	60	#include <print.h>
	61	#endif
	62
	63	#if !defined(APIENTRY) // NT defines APIENTRY, 3.x not
	64	#define APIENTRY FAR PASCAL
	65	#endif
	66
	67	#ifdef __WIN32__
	68	#define _EXPORT /**/
	69	#else
	70	#define _EXPORT _export
	71	typedef signed short int SHORT ;
	72	#endif
	73
	74	#if !defined(__WIN32__) // 3.x uses FARPROC for dialogs
	75	#define DLGPROC FARPROC
	76	#endif
	77
	78	LONG APIENTRY _EXPORT wxAbortProc(HDC hPr, int Code);
	79	#endif
	80	// End __WXMSW__
	81
	82	#if !USE_SHARED_LIBRARY
	83	IMPLEMENT_CLASS(wxPrinterBase, wxObject)
	84	IMPLEMENT_ABSTRACT_CLASS(wxPrintout, wxObject)
	85	IMPLEMENT_CLASS(wxPreviewCanvas, wxWindow)
	86	IMPLEMENT_CLASS(wxPreviewControlBar, wxWindow)
	87	IMPLEMENT_CLASS(wxPreviewFrame, wxFrame)
	88	IMPLEMENT_CLASS(wxPrintPreviewBase, wxObject)
	89
	90	BEGIN_EVENT_TABLE(wxPrintAbortDialog, wxDialog)
	91	EVT_BUTTON(wxID_CANCEL, wxPrintAbortDialog::OnCancel)
	92	END_EVENT_TABLE()
	93
	94	BEGIN_EVENT_TABLE(wxPreviewCanvas, wxScrolledWindow)
	95	EVT_PAINT(wxPreviewCanvas::OnPaint)
	96	EVT_SYS_COLOUR_CHANGED(wxPreviewCanvas::OnSysColourChanged)
	97	END_EVENT_TABLE()
	98	#endif
	99
	100	/*
	101	* Printer
	102	*/
	103
	104	wxPrinterBase::wxPrinterBase(wxPrintData *data)
	105	{
	106	currentPrintout = NULL;
	107	abortWindow = NULL;
	108	abortIt = FALSE;
	109	if (data)
	110	printData = (*data);
	111	}
	112
	113	wxWindow *wxPrinterBase::abortWindow = NULL;
	114	bool wxPrinterBase::abortIt = FALSE;
	115
	116	wxPrinterBase::~wxPrinterBase(void)
	117	{
	118	}
	119
	120	void wxPrintAbortDialog::OnCancel(wxCommandEvent& WXUNUSED(event))
	121	{
	122	wxPrinterBase::abortIt = TRUE;
	123	wxPrinterBase::abortWindow->Show(FALSE);
	124	wxPrinterBase::abortWindow->Close(TRUE);
	125	wxPrinterBase::abortWindow = NULL;
	126	}
	127
	128	wxWindow wxPrinterBase::CreateAbortWindow(wxWindow parent, wxPrintout *WXUNUSED(printout))
	129	{
	130	wxPrintAbortDialog *dialog = new wxPrintAbortDialog(parent, _("Printing"), wxPoint(0, 0), wxSize(400, 400));
	131	(void) new wxStaticText(dialog, -1, _("Please wait..."), wxPoint(5, 5));
	132
	133	wxButton *button = new wxButton(dialog, wxID_CANCEL, _("Cancel"), wxPoint(5, 30));
	134
	135	dialog->Fit();
	136	button->Centre(wxHORIZONTAL);
	137
	138	dialog->Centre();
	139	return dialog;
	140	}
	141
	142	void wxPrinterBase::ReportError(wxWindow parent, wxPrintout WXUNUSED(printout), char *message)
	143	{
	144	wxMessageBox(message, "Printing Error", wxOK, parent);
	145	}
	146
	147	/*
	148	* Printout class
	149	*/
	150
	151	wxPrintout::wxPrintout(const char *title)
	152	{
	153	printoutTitle = title ? copystring(title) : NULL;
	154	printoutDC = NULL;
	155	pageWidthMM = 0;
	156	pageHeightMM = 0;
	157	pageWidthPixels = 0;
	158	pageHeightPixels = 0;
	159	PPIScreenX = 0;
	160	PPIScreenY = 0;
	161	PPIPrinterX = 0;
	162	PPIPrinterY = 0;
	163	isPreview = FALSE;
	164	}
	165
	166	wxPrintout::~wxPrintout(void)
	167	{
	168	if (printoutTitle)
	169	delete[] printoutTitle;
	170	}
	171
	172	bool wxPrintout::OnBeginDocument(int WXUNUSED(startPage), int WXUNUSED(endPage))
	173	{
	174	return GetDC()->StartDoc("Printing");
	175	}
	176
	177	void wxPrintout::OnEndDocument(void)
	178	{
	179	GetDC()->EndDoc();
	180	}
	181
	182	void wxPrintout::OnBeginPrinting(void)
	183	{
	184	}
	185
	186	void wxPrintout::OnEndPrinting(void)
	187	{
	188	}
	189
	190	bool wxPrintout::HasPage(int page)
	191	{
	192	return (page == 1);
	193	}
	194
	195	void wxPrintout::GetPageInfo(int minPage, int maxPage, int fromPage, int toPage)
	196	{
	197	*minPage = 1;
	198	*maxPage = 32000;
	199	*fromPage = 1;
	200	*toPage = 1;
	201	}
	202
	203	/*
	204	* Preview canvas
	205	*/
	206
	207	wxPreviewCanvas::wxPreviewCanvas(wxPrintPreviewBase preview, wxWindow parent,
	208	const wxPoint& pos, const wxSize& size, long style, const wxString& name):
	209	wxScrolledWindow(parent, -1, pos, size, style, name)
	210	{
	211	printPreview = preview;
	212	SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
	213
	214	SetScrollbars(40, 40, 100, 100);
	215	}
	216
	217	wxPreviewCanvas::~wxPreviewCanvas(void)
	218	{
	219	}
	220
	221	void wxPreviewCanvas::OnPaint(wxPaintEvent& WXUNUSED(event))
	222	{
	223	wxPaintDC dc(this);
	224
	225	if (printPreview)
	226	{
	227	printPreview->PaintPage(this, dc);
	228	}
	229	}
	230
	231	// Responds to colour changes, and passes event on to children.
	232	void wxPreviewCanvas::OnSysColourChanged(wxSysColourChangedEvent& event)
	233	{
	234	SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
	235	Refresh();
	236
	237	// Propagate the event to the non-top-level children
	238	wxWindow::OnSysColourChanged(event);
	239	}
	240
	241	/*
	242	* Preview control bar
	243	*/
	244
	245	BEGIN_EVENT_TABLE(wxPreviewControlBar, wxPanel)
	246	EVT_BUTTON(wxID_PREVIEW_CLOSE, wxPreviewControlBar::OnClose)
	247	EVT_BUTTON(wxID_PREVIEW_PRINT, wxPreviewControlBar::OnPrint)
	248	EVT_BUTTON(wxID_PREVIEW_PREVIOUS, wxPreviewControlBar::OnPrevious)
	249	EVT_BUTTON(wxID_PREVIEW_NEXT, wxPreviewControlBar::OnNext)
	250	EVT_CHOICE(wxID_PREVIEW_ZOOM, wxPreviewControlBar::OnZoom)
	251	EVT_PAINT(wxPreviewControlBar::OnPaint)
	252	END_EVENT_TABLE()
	253
	254	wxPreviewControlBar::wxPreviewControlBar(wxPrintPreviewBase *preview, long buttons,
	255	wxWindow *parent, const wxPoint& pos, const wxSize& size,
	256	long style, const wxString& name):
	257	wxPanel(parent, -1, pos, size, style, name)
	258	{
	259	printPreview = preview;
	260	closeButton = NULL;
	261	nextPageButton = NULL;
	262	previousPageButton = NULL;
	263	printButton = NULL;
	264	zoomControl = NULL;
	265	buttonFlags = buttons;
	266	}
	267
	268	wxFont *wxPreviewControlBar::buttonFont = NULL;
	269
	270	wxPreviewControlBar::~wxPreviewControlBar(void)
	271	{
	272	}
	273
	274	void wxPreviewControlBar::OnPaint(wxPaintEvent& WXUNUSED(event))
	275	{
	276	wxPaintDC dc(this);
	277
	278	int w, h;
	279	GetSize(&w, &h);
	280	dc.SetPen(*wxBLACK_PEN);
	281	dc.SetBrush(*wxTRANSPARENT_BRUSH);
	282	dc.DrawLine( 0, h-1, w, h-1 );
	283	}
	284
	285	void wxPreviewControlBar::OnClose(wxCommandEvent& WXUNUSED(event))
	286	{
	287	wxPreviewFrame frame = (wxPreviewFrame )GetParent();
	288	frame->Close(TRUE);
	289	}
	290
	291	void wxPreviewControlBar::OnPrint(wxCommandEvent& WXUNUSED(event))
	292	{
	293	wxPrintPreviewBase *preview = GetPrintPreview();
	294	preview->Print(TRUE);
	295	}
	296
	297	void wxPreviewControlBar::OnNext(wxCommandEvent& WXUNUSED(event))
	298	{
	299	wxPrintPreviewBase *preview = GetPrintPreview();
	300	if (preview)
	301	{
	302	int currentPage = preview->GetCurrentPage();
	303	if ((preview->GetMaxPage() > 0) &&
	304	(currentPage < preview->GetMaxPage()) &&
	305	preview->GetPrintout()->HasPage(currentPage + 1))
	306	{
	307	preview->SetCurrentPage(currentPage + 1);
	308	}
	309	}
	310	}
	311
	312	void wxPreviewControlBar::OnPrevious(wxCommandEvent& WXUNUSED(event))
	313	{
	314	wxPrintPreviewBase *preview = GetPrintPreview();
	315	if (preview)
	316	{
	317	int currentPage = preview->GetCurrentPage();
	318	if ((preview->GetMinPage() > 0) &&
	319	(currentPage > preview->GetMinPage()) &&
	320	preview->GetPrintout()->HasPage(currentPage - 1))
	321	{
	322	preview->SetCurrentPage(currentPage - 1);
	323	}
	324	}
	325	}
	326
	327	void wxPreviewControlBar::OnZoom(wxCommandEvent& WXUNUSED(event))
	328	{
	329	int zoom = GetZoomControl();
	330	if (GetPrintPreview())
	331	GetPrintPreview()->SetZoom(zoom);
	332	}
	333
	334	void wxPreviewControlBar::CreateButtons(void)
	335	{
	336	#ifdef __GOOD_COMPILER__ // Robert Roebling
	337
	338	SetSize(0, 0, 400, 40);
	339
	340	#ifdef __WXMSW__
	341	int fontSize = 9;
	342	#else
	343	int fontSize = 10;
	344	#endif
	345
	346	if (!buttonFont)
	347	buttonFont = wxTheFontList->FindOrCreateFont(fontSize, wxSWISS, wxNORMAL, wxBOLD);
	348	SetButtonFont(*buttonFont);
	349
	350	int buttonWidth = 65;
	351	int buttonHeight = 24;
	352
	353	int x = 5;
	354	int y = 5;
	355	int gap = 5;
	356
	357	closeButton = new wxButton(this, wxID_PREVIEW_CLOSE, "Close",
	358	wxPoint(x, y), wxSize(buttonWidth, buttonHeight));
	359
	360	x += gap + buttonWidth;
	361
	362	if (buttonFlags & wxPREVIEW_PRINT)
	363	{
	364	printButton = new wxButton(this, wxID_PREVIEW_PRINT, "Print...", wxPoint(x, y),
	365	wxSize(buttonWidth, buttonHeight));
	366	x += gap + buttonWidth;
	367	}
	368
	369	if (buttonFlags & wxPREVIEW_PREVIOUS)
	370	{
	371	previousPageButton = new wxButton(this, wxID_PREVIEW_PREVIOUS, "<<", wxPoint(x, y),
	372	wxSize(buttonWidth, buttonHeight));
	373	x += gap + buttonWidth;
	374	}
	375
	376	if (buttonFlags & wxPREVIEW_NEXT)
	377	{
	378	nextPageButton = new wxButton(this, wxID_PREVIEW_NEXT, ">>",
	379	wxPoint(x, y), wxSize(buttonWidth, buttonHeight));
	380	x += gap + buttonWidth;
	381	}
	382
	383	static wxString choices[] = { "10%", "20%", "25%", "30%", "35%", "40%", "45%", "50%", "55%", "60%",
	384	"65%", "70%", "75%", "80%", "85%", "90%", "95%", "100%", "110%", "120%", "150%", "200%" };
	385	int n = 22;
	386	if (buttonFlags & wxPREVIEW_ZOOM)
	387	{
	388	zoomControl = new wxChoice(this, wxID_PREVIEW_ZOOM, wxPoint(x, y),
	389	wxSize(100, -1), n, (wxString *)choices);
	390	SetZoomControl(printPreview->GetZoom());
	391	}
	392
	393	closeButton->SetDefault();
	394
	395	#endif
	396	}
	397
	398	void wxPreviewControlBar::SetZoomControl(int zoom)
	399	{
	400	#ifdef __GOOD_COMPILER__ // Robert Roebling
	401	char buf[20];
	402	sprintf(buf, "%d%%", zoom);
	403	if (zoomControl)
	404	zoomControl->SetStringSelection(buf);
	405	#endif
	406	}
	407
	408	int wxPreviewControlBar::GetZoomControl(void)
	409	{
	410	#ifdef __GOOD_COMPILER__ // Robert Roebling
	411	char buf[20];
	412	if (zoomControl && zoomControl->GetStringSelection())
	413	{
	414	strcpy(buf, zoomControl->GetStringSelection());
	415	buf[strlen(buf) - 1] = 0;
	416	return (int)atoi(buf);
	417	}
	418	else return 0;
	419	#else
	420	return 0;
	421	#endif
	422	}
	423
	424
	425	/*
	426	* Preview frame
	427	*/
	428
	429	wxPreviewFrame::wxPreviewFrame(wxPrintPreviewBase preview, wxFrame parent, const wxString& title,
	430	const wxPoint& pos, const wxSize& size, long style, const wxString& name):
	431	wxFrame(parent, -1, title, pos, size, style, name)
	432	{
	433	#ifdef __GOOD_COMPILER__ // Robert Roebling
	434
	435	printPreview = preview;
	436	controlBar = NULL;
	437	previewCanvas = NULL;
	438	#endif
	439	}
	440
	441	wxPreviewFrame::~wxPreviewFrame(void)
	442	{
	443	}
	444
	445	bool wxPreviewFrame::OnClose(void)
	446	{
	447	#ifdef __GOOD_COMPILER__ // Robert Roebling
	448
	449	MakeModal(FALSE);
	450
	451	// Need to delete the printout and the print preview
	452	wxPrintout *printout = printPreview->GetPrintout();
	453	if (printout)
	454	{
	455	delete printout;
	456	printPreview->SetPrintout(NULL);
	457	printPreview->SetCanvas(NULL);
	458	printPreview->SetFrame(NULL);
	459	}
	460	delete printPreview;
	461	return TRUE;
	462	#else
	463	return FALSE;
	464	#endif
	465	}
	466
	467	void wxPreviewFrame::Initialize(void)
	468	{
	469
	470	#ifdef __GOOD_COMPILER__ // Robert Roebling
	471
	472	CreateStatusBar();
	473
	474	CreateCanvas();
	475	CreateControlBar();
	476
	477	printPreview->SetCanvas(previewCanvas);
	478	printPreview->SetFrame(this);
	479
	480	// Set layout constraints here
	481
	482	// Control bar constraints
	483	wxLayoutConstraints *c1 = new wxLayoutConstraints;
	484	// int w, h;
	485	// controlBar->GetSize(&w, &h);
	486	int h;
	487	#ifdef __WXMSW__
	488	h = 40;
	489	#else
	490	h = 60;
	491	#endif
	492
	493	c1->left.SameAs (this, wxLeft);
	494	c1->top.SameAs (this, wxTop);
	495	c1->right.SameAs (this, wxRight);
	496	c1->height.Absolute (h);
	497
	498	controlBar->SetConstraints(c1);
	499
	500	// Canvas constraints
	501	wxLayoutConstraints *c2 = new wxLayoutConstraints;
	502
	503	c2->left.SameAs (this, wxLeft);
	504	c2->top.Below (controlBar);
	505	c2->right.SameAs (this, wxRight);
	506	c2->bottom.SameAs (this, wxBottom);
	507
	508	previewCanvas->SetConstraints(c2);
	509
	510	SetAutoLayout(TRUE);
	511
	512	MakeModal(TRUE);
	513
	514	Layout();
	515
	516	#endif
	517	}
	518
	519	void wxPreviewFrame::CreateCanvas(void)
	520	{
	521	#ifdef __GOOD_COMPILER__ // Robert Roebling
	522
	523	previewCanvas = new wxPreviewCanvas(printPreview, this);
	524
	525	#endif
	526	}
	527
	528	void wxPreviewFrame::CreateControlBar(void)
	529	{
	530	#ifdef __GOOD_COMPILER__ // Robert Roebling
	531
	532	long buttons = wxPREVIEW_DEFAULT;
	533	if (printPreview->GetPrintoutForPrinting())
	534	buttons \|= wxPREVIEW_PRINT;
	535
	536	controlBar = new wxPreviewControlBar(printPreview, buttons, this, wxPoint(0, 0), wxSize(400, 40));
	537	controlBar->CreateButtons();
	538	#endif
	539	}
	540
	541	/*
	542	* Print preview
	543	*/
	544
	545	wxPrintPreviewBase::wxPrintPreviewBase(wxPrintout printout, wxPrintout printoutForPrinting, wxPrintData *data)
	546	{
	547
	548	#ifdef __GOOD_COMPILER__ // Robert Roebling
	549
	550	isOk = TRUE;
	551	previewPrintout = printout;
	552	if (previewPrintout)
	553	previewPrintout->SetIsPreview(TRUE);
	554
	555	printPrintout = printoutForPrinting;
	556	if (data)
	557	printData = (*data);
	558
	559	previewCanvas = NULL;
	560	previewFrame = NULL;
	561	previewBitmap = NULL;
	562	currentPage = 1;
	563	currentZoom = 30;
	564	topMargin = 40;
	565	leftMargin = 40;
	566	pageWidth = 0;
	567	pageHeight = 0;
	568
	569	printout->OnPreparePrinting();
	570
	571	// Get some parameters from the printout, if defined
	572	int selFrom, selTo;
	573	printout->GetPageInfo(&minPage, &maxPage, &selFrom, &selTo);
	574
	575	#endif
	576	}
	577
	578	wxPrintPreviewBase::~wxPrintPreviewBase(void)
	579	{
	580	#ifdef __GOOD_COMPILER__ // Robert Roebling
	581
	582	if (previewPrintout)
	583	delete previewPrintout;
	584	if (previewBitmap)
	585	delete previewBitmap;
	586	if (printPrintout)
	587	delete printPrintout;
	588
	589	#endif
	590	}
	591
	592	bool wxPrintPreviewBase::SetCurrentPage(int pageNum)
	593	{
	594	#ifdef __GOOD_COMPILER__ // Robert Roebling
	595	if (currentPage == pageNum)
	596	return TRUE;
	597
	598	currentPage = pageNum;
	599	if (previewBitmap)
	600	{
	601	delete previewBitmap;
	602	previewBitmap = NULL;
	603	}
	604
	605	if (previewCanvas)
	606	{
	607	RenderPage(pageNum);
	608	previewCanvas->Refresh();
	609	}
	610
	611	#endif
	612	return TRUE;
	613	}
	614
	615	bool wxPrintPreviewBase::PaintPage(wxWindow *canvas, wxDC& dc)
	616	{
	617
	618	#ifdef __GOOD_COMPILER__ // Robert Roebling
	619
	620	DrawBlankPage(canvas, dc);
	621
	622	if (!previewBitmap)
	623	RenderPage(currentPage);
	624
	625	if (!previewBitmap)
	626	return FALSE;
	627
	628	if (!canvas)
	629	return FALSE;
	630
	631	int canvasWidth, canvasHeight;
	632	canvas->GetSize(&canvasWidth, &canvasHeight);
	633
	634	float zoomScale = (float)((float)currentZoom/(float)100);
	635	float actualWidth = (float)(zoomScalepageWidthpreviewScale);
	636	// float actualHeight = (float)(zoomScalepageHeightpreviewScale);
	637
	638	float x = (float)((canvasWidth - actualWidth)/2.0);
	639	if (x < leftMargin)
	640	x = (float)leftMargin;
	641	float y = (float)topMargin;
	642
	643	wxMemoryDC temp_dc;
	644	temp_dc.SelectObject(*previewBitmap);
	645
	646	dc.Blit((float)x, (float)y, (float)previewBitmap->GetWidth(), (float)previewBitmap->GetHeight(), &temp_dc, (float)0, (float)0);
	647
	648	temp_dc.SelectObject(wxNullBitmap);
	649
	650	#endif
	651
	652	return TRUE;
	653	}
	654
	655	bool wxPrintPreviewBase::RenderPage(int pageNum)
	656	{
	657	int canvasWidth, canvasHeight;
	658
	659	#ifdef __GOOD_COMPILER__ // Robert Roebling
	660
	661	if (!previewCanvas)
	662	{
	663	wxMessageBox("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!",
	664	"Print Preview Failure", wxOK);
	665	return FALSE;
	666	}
	667	previewCanvas->GetSize(&canvasWidth, &canvasHeight);
	668
	669	float zoomScale = (float)((float)currentZoom/(float)100);
	670	float actualWidth = (float)(zoomScalepageWidthpreviewScale);
	671	float actualHeight = (float)(zoomScalepageHeightpreviewScale);
	672
	673	float x = (float)((canvasWidth - actualWidth)/2.0);
	674	if (x < leftMargin)
	675	x = (float)leftMargin;
	676	// float y = topMargin;
	677
	678
	679	if (!previewBitmap)
	680	{
	681	previewBitmap = new wxBitmap((int)actualWidth, (int)actualHeight);
	682	if (!previewBitmap \|\| !previewBitmap->Ok())
	683	{
	684	if (previewBitmap)
	685	delete previewBitmap;
	686	wxMessageBox("Sorry, not enough memory to create a preview.", "Print Preview Failure", wxOK);
	687	return FALSE;
	688	}
	689	}
	690
	691	wxMemoryDC memoryDC;
	692	memoryDC.SelectObject(*previewBitmap);
	693
	694	memoryDC.Clear();
	695
	696	previewPrintout->SetDC(&memoryDC);
	697	previewPrintout->SetPageSizePixels(pageWidth, pageHeight);
	698
	699	previewPrintout->OnBeginPrinting();
	700
	701
	702	if (!previewPrintout->OnBeginDocument(printData.GetFromPage(), printData.GetToPage()))
	703	{
	704	wxMessageBox("Could not start document preview.", "Print Preview Failure", wxOK);
	705
	706	memoryDC.SelectObject(wxNullBitmap);
	707
	708	delete previewBitmap;
	709	return FALSE;
	710	}
	711
	712	previewPrintout->OnPrintPage(pageNum);
	713	previewPrintout->OnEndDocument();
	714	previewPrintout->OnEndPrinting();
	715
	716	previewPrintout->SetDC(NULL);
	717
	718	memoryDC.SelectObject(wxNullBitmap);
	719	#endif
	720
	721	char buf[200];
	722	if (maxPage != 0)
	723	sprintf(buf, "Page %d of %d", pageNum, maxPage);
	724	else
	725	sprintf(buf, "Page %d", pageNum);
	726
	727	if (previewFrame)
	728	previewFrame->SetStatusText(buf);
	729
	730	return TRUE;
	731	}
	732
	733
	734	bool wxPrintPreviewBase::DrawBlankPage(wxWindow *canvas, wxDC& dc)
	735	{
	736
	737	#ifdef __GOOD_COMPILER__ // Robert Roebling
	738
	739	int canvasWidth, canvasHeight;
	740	canvas->GetSize(&canvasWidth, &canvasHeight);
	741
	742	float zoomScale = (float)((float)currentZoom/(float)100);
	743	float actualWidth = zoomScalepageWidthpreviewScale;
	744	float actualHeight = zoomScalepageHeightpreviewScale;
	745
	746	float x = (float)((canvasWidth - actualWidth)/2.0);
	747	if (x < leftMargin)
	748	x = (float)leftMargin;
	749	float y = (float)topMargin;
	750
	751	// Draw shadow, allowing for 1-pixel border AROUND the actual page
	752	int shadowOffset = 4;
	753	dc.SetPen(*wxBLACK_PEN);
	754	dc.SetBrush(*wxBLACK_BRUSH);
	755	dc.DrawRectangle(x-1 + shadowOffset, y-1 + shadowOffset, actualWidth+2, actualHeight+2);
	756
	757	// Draw blank page allowing for 1-pixel border AROUND the actual page
	758	dc.SetPen(*wxBLACK_PEN);
	759	dc.SetBrush(*wxWHITE_BRUSH);
	760
	761
	762	dc.DrawRectangle(x-1, y-1, actualWidth+2, actualHeight+2);
	763
	764	#endif
	765
	766	return TRUE;
	767	}
	768
	769	void wxPrintPreviewBase::SetZoom(int percent)
	770	{
	771	#ifdef __GOOD_COMPILER__ // Robert Roebling
	772	if (currentZoom == percent)
	773	return;
	774
	775	currentZoom = percent;
	776	if (previewBitmap)
	777	{
	778	delete previewBitmap;
	779	previewBitmap = NULL;
	780	}
	781	RenderPage(currentPage);
	782
	783	if (previewCanvas)
	784	{
	785	previewCanvas->Clear();
	786	previewCanvas->Refresh();
	787	}
	788	#endif
	789
	790	}