#include "wx/utils.h"
#include "wx/dc.h"
#include "wx/app.h"
+ #include "wx/math.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/dcclient.h"
#include "wx/stattext.h"
#include "wx/intl.h"
#include "wx/textdlg.h"
#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
#include "wx/msw/printdlg.h"
+#include "wx/msw/dcprint.h"
#elif defined(__WXMAC__)
-#include "wx/mac/printdlg.h"
-#include "wx/mac/private/print.h"
+#include "wx/osx/printdlg.h"
+#include "wx/osx/private/print.h"
+#include "wx/osx/dcprint.h"
+#elif defined(__WXPM__)
+#include "wx/os2/dcprint.h"
+#include "wx/generic/prntdlgg.h"
#else
#include "wx/generic/prntdlgg.h"
#include "wx/dcps.h"
#endif
}
-wxDC* wxNativePrintFactory::CreatePrinterDC( const wxPrintData& data )
+wxDCImpl* wxNativePrintFactory::CreatePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data )
{
-#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
- return new wxPrinterDC(data);
-#elif defined(__WXMAC__)
- return new wxPrinterDC(data);
+#if defined(__WXGTK__) || defined(__WXMOTIF__) || ( defined(__WXUNIVERSAL__) && !defined(__WXMAC__) )
+ return new wxPostScriptDCImpl( owner, data );
#else
- return new wxPostScriptDC(data);
+ return new wxPrinterDCImpl( owner, data );
#endif
}
#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
return new wxWindowsPrintNativeData;
#elif defined(__WXMAC__)
- return new wxMacCarbonPrintData;
+ return wxOSXCreatePrintData();
#else
return new wxPostScriptPrintNativeData;
#endif
wxPrinterBase::wxPrinterBase(wxPrintDialogData *data)
{
- m_currentPrintout = (wxPrintout *) NULL;
- sm_abortWindow = (wxWindow *) NULL;
+ m_currentPrintout = NULL;
+ sm_abortWindow = NULL;
sm_abortIt = false;
if (data)
m_printDialogData = (*data);
sm_lastError = wxPRINTER_NO_ERROR;
}
-wxWindow *wxPrinterBase::sm_abortWindow = (wxWindow *) NULL;
+wxWindow *wxPrinterBase::sm_abortWindow = NULL;
bool wxPrinterBase::sm_abortIt = false;
wxPrinterError wxPrinterBase::sm_lastError = wxPRINTER_NO_ERROR;
wxPrinterBase::sm_abortIt = true;
wxPrinterBase::sm_abortWindow->Show(false);
wxPrinterBase::sm_abortWindow->Close(true);
- wxPrinterBase::sm_abortWindow = (wxWindow *) NULL;
+ wxPrinterBase::sm_abortWindow->Destroy();
+ wxPrinterBase::sm_abortWindow = NULL;
}
//----------------------------------------------------------------------------
wxPrintout::wxPrintout(const wxString& title)
{
m_printoutTitle = title ;
- m_printoutDC = (wxDC *) NULL;
+ m_printoutDC = NULL;
m_pageWidthMM = 0;
m_pageHeightMM = 0;
m_pageWidthPixels = 0;
float scaleX = ((float(paperRect.width) * w) / (float(pw) * imageSize.x));
float scaleY = ((float(paperRect.height) * h) / (float(ph) * imageSize.y));
float actualScale = wxMin(scaleX, scaleY);
- m_printoutDC->SetUserScale(actualScale, actualScale);
+ m_printoutDC->SetUserScale(actualScale, actualScale);
m_printoutDC->SetDeviceOrigin(0, 0);
wxRect logicalPaperRect = GetLogicalPaperRect();
SetLogicalOrigin(logicalPaperRect.x, logicalPaperRect.y);
float scaleX = float(w) / imageSize.x;
float scaleY = float(h) / imageSize.y;
float actualScale = wxMin(scaleX, scaleY);
- m_printoutDC->SetUserScale(actualScale, actualScale);
+ m_printoutDC->SetUserScale(actualScale, actualScale);
m_printoutDC->SetDeviceOrigin(0, 0);
}
GetPageSizeMM(&mw, &mh);
float mmToDeviceX = float(pw) / mw;
float mmToDeviceY = float(ph) / mh;
- wxRect pageMarginsRect(paperRect.x + wxCoord(mmToDeviceX * topLeft.x),
- paperRect.y + wxCoord(mmToDeviceY * topLeft.y),
- paperRect.width - wxCoord(mmToDeviceX * (topLeft.x + bottomRight.x)),
- paperRect.height - wxCoord(mmToDeviceY * (topLeft.y + bottomRight.y)));
+ wxRect pageMarginsRect(paperRect.x + wxRound(mmToDeviceX * topLeft.x),
+ paperRect.y + wxRound(mmToDeviceY * topLeft.y),
+ paperRect.width - wxRound(mmToDeviceX * (topLeft.x + bottomRight.x)),
+ paperRect.height - wxRound(mmToDeviceY * (topLeft.y + bottomRight.y)));
wxCoord w, h;
m_printoutDC->GetSize(&w, &h);
float scaleX = (float(pageMarginsRect.width) * w) / (float(pw) * imageSize.x);
float scaleY = (float(pageMarginsRect.height) * h) / (float(ph) * imageSize.y);
float actualScale = wxMin(scaleX, scaleY);
- m_printoutDC->SetUserScale(actualScale, actualScale);
+ m_printoutDC->SetUserScale(actualScale, actualScale);
m_printoutDC->SetDeviceOrigin(0, 0);
wxRect logicalPageMarginsRect = GetLogicalPageMarginsRect(pageSetupData);
SetLogicalOrigin(logicalPageMarginsRect.x, logicalPageMarginsRect.y);
// Set the DC scale and origin so that an image on the screen is the same
// size on the paper and the origin is at the top left of the printable area.
if (!m_printoutDC) return;
- int ppiScreenX, ppiScreenY;
- GetPPIScreen(&ppiScreenX, &ppiScreenY);
- int ppiPrinterX, ppiPrinterY;
- GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
- int w, h;
- m_printoutDC->GetSize(&w, &h);
- int pageSizePixelsX, pageSizePixelsY;
- GetPageSizePixels(&pageSizePixelsX, &pageSizePixelsY);
- float userScaleX = (float(ppiPrinterX) * w) / (float(ppiScreenX) * pageSizePixelsX);
- float userScaleY = (float(ppiPrinterY) * h) / (float(ppiScreenY) * pageSizePixelsY);
+ int ppiScreenX, ppiScreenY;
+ GetPPIScreen(&ppiScreenX, &ppiScreenY);
+ int ppiPrinterX, ppiPrinterY;
+ GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
+ int w, h;
+ m_printoutDC->GetSize(&w, &h);
+ int pageSizePixelsX, pageSizePixelsY;
+ GetPageSizePixels(&pageSizePixelsX, &pageSizePixelsY);
+ float userScaleX = (float(ppiPrinterX) * w) / (float(ppiScreenX) * pageSizePixelsX);
+ float userScaleY = (float(ppiPrinterY) * h) / (float(ppiScreenY) * pageSizePixelsY);
m_printoutDC->SetUserScale(userScaleX, userScaleY);
m_printoutDC->SetDeviceOrigin(0, 0);
}
// Set the DC scale so that a screen pixel is the same size as a device
// pixel and the origin is at the top left of the printable area.
if (!m_printoutDC) return;
- int w, h;
- m_printoutDC->GetSize(&w, &h);
- int pageSizePixelsX, pageSizePixelsY;
- GetPageSizePixels(&pageSizePixelsX, &pageSizePixelsY);
- float userScaleX = float(w) / pageSizePixelsX;
- float userScaleY = float(h) / pageSizePixelsY;
+ int w, h;
+ m_printoutDC->GetSize(&w, &h);
+ int pageSizePixelsX, pageSizePixelsY;
+ GetPageSizePixels(&pageSizePixelsX, &pageSizePixelsY);
+ float userScaleX = float(w) / pageSizePixelsX;
+ float userScaleY = float(h) / pageSizePixelsY;
m_printoutDC->SetUserScale(userScaleX, userScaleY);
m_printoutDC->SetDeviceOrigin(0, 0);
}
m_printoutDC->GetSize(&w, &h);
if (w == pw && h == ph) {
// this DC matches the printed page, so no scaling
- return wxRect(m_printoutDC->DeviceToLogicalX(paperRect.x),
- m_printoutDC->DeviceToLogicalY(paperRect.y),
- m_printoutDC->DeviceToLogicalXRel(paperRect.width),
+ return wxRect(m_printoutDC->DeviceToLogicalX(paperRect.x),
+ m_printoutDC->DeviceToLogicalY(paperRect.y),
+ m_printoutDC->DeviceToLogicalXRel(paperRect.width),
m_printoutDC->DeviceToLogicalYRel(paperRect.height));
}
// This DC doesn't match the printed page, so we have to scale.
float scaleX = float(w) / pw;
float scaleY = float(h) / ph;
- return wxRect(m_printoutDC->DeviceToLogicalX(wxCoord(paperRect.x * scaleX)),
- m_printoutDC->DeviceToLogicalY(wxCoord(paperRect.y * scaleY)),
- m_printoutDC->DeviceToLogicalXRel(wxCoord(paperRect.width * scaleX)),
- m_printoutDC->DeviceToLogicalYRel(wxCoord(paperRect.height * scaleY)));
+ return wxRect(m_printoutDC->DeviceToLogicalX(wxRound(paperRect.x * scaleX)),
+ m_printoutDC->DeviceToLogicalY(wxRound(paperRect.y * scaleY)),
+ m_printoutDC->DeviceToLogicalXRel(wxRound(paperRect.width * scaleX)),
+ m_printoutDC->DeviceToLogicalYRel(wxRound(paperRect.height * scaleY)));
}
wxRect wxPrintout::GetLogicalPageRect() const
// area.
int w, h;
m_printoutDC->GetSize(&w, &h);
- return wxRect(m_printoutDC->DeviceToLogicalX(0),
- m_printoutDC->DeviceToLogicalY(0),
- m_printoutDC->DeviceToLogicalXRel(w),
+ return wxRect(m_printoutDC->DeviceToLogicalX(0),
+ m_printoutDC->DeviceToLogicalY(0),
+ m_printoutDC->DeviceToLogicalXRel(w),
m_printoutDC->DeviceToLogicalYRel(h));
}
// Return the rectangle in logical units that corresponds to the region
// within the page margins as specified by the given wxPageSetupDialogData
// object.
- wxRect paperRect = GetPaperRectPixels();
+
+ // We get the paper size in device units and the margins in mm,
+ // so we need to calculate the conversion with this trick
wxCoord pw, ph;
GetPageSizePixels(&pw, &ph);
- wxPoint topLeft = pageSetupData.GetMarginTopLeft();
- wxPoint bottomRight = pageSetupData.GetMarginBottomRight();
wxCoord mw, mh;
GetPageSizeMM(&mw, &mh);
float mmToDeviceX = float(pw) / mw;
float mmToDeviceY = float(ph) / mh;
- wxRect pageMarginsRect(paperRect.x + wxCoord(mmToDeviceX * topLeft.x),
- paperRect.y + wxCoord(mmToDeviceY * topLeft.y),
- paperRect.width - wxCoord(mmToDeviceX * (topLeft.x + bottomRight.x)),
- paperRect.height - wxCoord(mmToDeviceY * (topLeft.y + bottomRight.y)));
+
+ // paper size in device units
+ wxRect paperRect = GetPaperRectPixels();
+
+ // margins in mm
+ wxPoint topLeft = pageSetupData.GetMarginTopLeft();
+ wxPoint bottomRight = pageSetupData.GetMarginBottomRight();
+
+ // calculate margins in device units
+ wxRect pageMarginsRect(
+ paperRect.x + wxRound(mmToDeviceX * topLeft.x),
+ paperRect.y + wxRound(mmToDeviceY * topLeft.y),
+ paperRect.width - wxRound(mmToDeviceX * (topLeft.x + bottomRight.x)),
+ paperRect.height - wxRound(mmToDeviceY * (topLeft.y + bottomRight.y)));
+
wxCoord w, h;
m_printoutDC->GetSize(&w, &h);
- if (w == pw && h == ph) {
+ if (w == pw && h == ph)
+ {
// this DC matches the printed page, so no scaling
- return wxRect(m_printoutDC->DeviceToLogicalX(pageMarginsRect.x),
- m_printoutDC->DeviceToLogicalY(pageMarginsRect.y),
- m_printoutDC->DeviceToLogicalXRel(pageMarginsRect.width),
+ return wxRect(
+ m_printoutDC->DeviceToLogicalX(pageMarginsRect.x),
+ m_printoutDC->DeviceToLogicalY(pageMarginsRect.y),
+ m_printoutDC->DeviceToLogicalXRel(pageMarginsRect.width),
m_printoutDC->DeviceToLogicalYRel(pageMarginsRect.height));
}
+
// This DC doesn't match the printed page, so we have to scale.
float scaleX = float(w) / pw;
float scaleY = float(h) / ph;
- return wxRect(m_printoutDC->DeviceToLogicalX(wxCoord(pageMarginsRect.x * scaleX)),
- m_printoutDC->DeviceToLogicalY(wxCoord(pageMarginsRect.y * scaleY)),
- m_printoutDC->DeviceToLogicalXRel(wxCoord(pageMarginsRect.width * scaleX)),
- m_printoutDC->DeviceToLogicalYRel(wxCoord(pageMarginsRect.height * scaleY)));
+ return wxRect(m_printoutDC->DeviceToLogicalX(wxRound(pageMarginsRect.x * scaleX)),
+ m_printoutDC->DeviceToLogicalY(wxRound(pageMarginsRect.y * scaleY)),
+ m_printoutDC->DeviceToLogicalXRel(wxRound(pageMarginsRect.width * scaleX)),
+ m_printoutDC->DeviceToLogicalYRel(wxRound(pageMarginsRect.height * scaleY)));
}
void wxPrintout::SetLogicalOrigin(wxCoord x, wxCoord y)
{
// Set the device origin by specifying a point in logical coordinates.
- m_printoutDC->SetDeviceOrigin(m_printoutDC->LogicalToDeviceX(x),
- m_printoutDC->LogicalToDeviceY(y));
+ m_printoutDC->SetDeviceOrigin(
+ m_printoutDC->LogicalToDeviceX(x),
+ m_printoutDC->LogicalToDeviceY(y) );
}
-
+
void wxPrintout::OffsetLogicalOrigin(wxCoord xoff, wxCoord yoff)
{
// Offset the device origin by a specified distance in device coordinates.
- wxCoord x = m_printoutDC->LogicalToDeviceX(0);
- wxCoord y = m_printoutDC->LogicalToDeviceY(0);
- m_printoutDC->SetDeviceOrigin(x + m_printoutDC->LogicalToDeviceXRel(xoff),
- y + m_printoutDC->LogicalToDeviceYRel(yoff));
+ wxPoint dev_org = m_printoutDC->GetDeviceOrigin();
+ m_printoutDC->SetDeviceOrigin(
+ dev_org.x + m_printoutDC->LogicalToDeviceXRel(xoff),
+ dev_org.y + m_printoutDC->LogicalToDeviceYRel(yoff) );
}
-
+
//----------------------------------------------------------------------------
// wxPreviewCanvas
BEGIN_EVENT_TABLE(wxPreviewCanvas, wxScrolledWindow)
EVT_PAINT(wxPreviewCanvas::OnPaint)
EVT_CHAR(wxPreviewCanvas::OnChar)
+ EVT_IDLE(wxPreviewCanvas::OnIdle)
EVT_SYS_COLOUR_CHANGED(wxPreviewCanvas::OnSysColourChanged)
#if wxUSE_MOUSEWHEEL
EVT_MOUSEWHEEL(wxPreviewCanvas::OnMouseWheel)
}
}
+void wxPreviewCanvas::OnIdle(wxIdleEvent& event)
+{
+ event.Skip();
+
+ // prevent UpdatePageRendering() from being called recursively:
+ static bool s_inIdle = false;
+ if ( s_inIdle )
+ return;
+ s_inIdle = true;
+
+ if ( m_printPreview )
+ {
+ if ( m_printPreview->UpdatePageRendering() )
+ Refresh();
+ }
+
+ s_inIdle = false;
+}
+
// Responds to colour changes, and passes event on to children.
void wxPreviewCanvas::OnSysColourChanged(wxSysColourChangedEvent& event)
{
void wxPreviewCanvas::OnChar(wxKeyEvent &event)
{
wxPreviewControlBar* controlBar = ((wxPreviewFrame*) GetParent())->GetControlBar();
- if (event.GetKeyCode() == WXK_ESCAPE)
- {
- ((wxPreviewFrame*) GetParent())->Close(true);
- return;
- }
- else if (event.GetKeyCode() == WXK_TAB)
+ switch (event.GetKeyCode())
{
- controlBar->OnGoto();
- return;
- }
- else if (event.GetKeyCode() == WXK_RETURN)
- {
- controlBar->OnPrint();
- return;
+ case WXK_TAB:
+ controlBar->OnGoto();
+ return;
+ case WXK_RETURN:
+ controlBar->OnPrint();
+ return;
}
if (!event.ControlDown())
wxPanel(parent, wxID_ANY, pos, size, style, name)
{
m_printPreview = preview;
- m_closeButton = (wxButton *) NULL;
- m_nextPageButton = (wxButton *) NULL;
- m_previousPageButton = (wxButton *) NULL;
- m_printButton = (wxButton *) NULL;
- m_zoomControl = (wxChoice *) NULL;
+ m_closeButton = NULL;
+ m_nextPageButton = NULL;
+ m_previousPageButton = NULL;
+ m_printButton = NULL;
+ m_zoomControl = NULL;
m_buttonFlags = buttons;
}
IMPLEMENT_CLASS(wxPreviewFrame, wxFrame)
BEGIN_EVENT_TABLE(wxPreviewFrame, wxFrame)
+ EVT_CHAR_HOOK(wxPreviewFrame::OnChar)
EVT_CLOSE(wxPreviewFrame::OnCloseWindow)
END_EVENT_TABLE()
+void wxPreviewFrame::OnChar(wxKeyEvent &event)
+{
+ if ( event.GetKeyCode() == WXK_ESCAPE )
+ {
+ Close(true);
+ }
+ else
+ {
+ event.Skip();
+ }
+}
+
wxPreviewFrame::wxPreviewFrame(wxPrintPreviewBase *preview, wxWindow *parent, const wxString& title,
const wxPoint& pos, const wxSize& size, long style, const wxString& name):
wxFrame(parent, wxID_ANY, title, pos, size, style, name)
#ifdef __WXMSW__
wxFrame* topFrame = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
if (topFrame)
- SetIcon(topFrame->GetIcon());
+ SetIcons(topFrame->GetIcons());
#endif
}
m_printPreview->SetCanvas(NULL);
m_printPreview->SetFrame(NULL);
}
- delete m_printPreview;
+
+ m_previewCanvas->SetPreview(NULL);
+ wxDELETE(m_printPreview);
Destroy();
}
m_previewCanvas = NULL;
m_previewFrame = NULL;
m_previewBitmap = NULL;
+ m_previewFailed = false;
m_currentPage = 1;
m_currentZoom = 70;
m_topMargin = 40;
return true;
m_currentPage = pageNum;
- if (m_previewBitmap)
- {
- delete m_previewBitmap;
- m_previewBitmap = NULL;
- }
+
+ InvalidatePreviewBitmap();
if (m_previewCanvas)
{
AdjustScrollbars(m_previewCanvas);
- if (!RenderPage(pageNum))
- return false;
m_previewCanvas->Refresh();
m_previewCanvas->SetFocus();
}
}
+void wxPrintPreviewBase::InvalidatePreviewBitmap()
+{
+ wxDELETE(m_previewBitmap);
+ // if there was a problem with rendering the preview, try again now
+ // that it changed in some way (less memory may be needed, for example):
+ m_previewFailed = false;
+}
+
+bool wxPrintPreviewBase::UpdatePageRendering()
+{
+ if ( m_previewBitmap )
+ return false;
+
+ if ( m_previewFailed )
+ return false;
+
+ if ( !RenderPage(m_currentPage) )
+ {
+ m_previewFailed = true; // don't waste time failing again
+ return false;
+ }
+
+ return true;
+}
+
bool wxPrintPreviewBase::PaintPage(wxPreviewCanvas *canvas, wxDC& dc)
{
DrawBlankPage(canvas, dc);
- if (!m_previewBitmap)
- if (!RenderPage(m_currentPage))
- return false;
if (!m_previewBitmap)
return false;
if (!canvas)
wxMemoryDC temp_dc;
temp_dc.SelectObject(*m_previewBitmap);
- dc.Blit(pageRect.x, pageRect.y,
+ dc.Blit(pageRect.x, pageRect.y,
m_previewBitmap->GetWidth(), m_previewBitmap->GetHeight(), &temp_dc, 0, 0);
temp_dc.SelectObject(wxNullBitmap);
canvas->SetScrollbars(10, 10, scrollUnitsX, scrollUnitsY, 0, 0, true);
}
+bool wxPrintPreviewBase::RenderPageIntoDC(wxDC& dc, int pageNum)
+{
+ m_previewPrintout->SetDC(&dc);
+ m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
+
+ // Need to delay OnPreparePrinting() until here, so we have enough
+ // information.
+ if (!m_printingPrepared)
+ {
+ m_previewPrintout->OnPreparePrinting();
+ int selFrom, selTo;
+ m_previewPrintout->GetPageInfo(&m_minPage, &m_maxPage, &selFrom, &selTo);
+ m_printingPrepared = true;
+ }
+
+ m_previewPrintout->OnBeginPrinting();
+
+ if (!m_previewPrintout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
+ {
+ wxMessageBox(_("Could not start document preview."), _("Print Preview Failure"), wxOK);
+ return false;
+ }
+
+ m_previewPrintout->OnPrintPage(pageNum);
+ m_previewPrintout->OnEndDocument();
+ m_previewPrintout->OnEndPrinting();
+
+ m_previewPrintout->SetDC(NULL);
+
+ return true;
+}
+
+bool wxPrintPreviewBase::RenderPageIntoBitmap(wxBitmap& bmp, int pageNum)
+{
+ wxMemoryDC memoryDC;
+ memoryDC.SelectObject(bmp);
+ memoryDC.Clear();
+
+ return RenderPageIntoDC(memoryDC, pageNum);
+}
+
bool wxPrintPreviewBase::RenderPage(int pageNum)
{
wxBusyCursor busy;
if (!m_previewCanvas)
{
- wxFAIL_MSG(_T("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!"));
+ wxFAIL_MSG(wxT("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!"));
return false;
}
if (!m_previewBitmap || !m_previewBitmap->Ok())
{
- if (m_previewBitmap) {
- delete m_previewBitmap;
- m_previewBitmap = NULL;
- }
+ InvalidatePreviewBitmap();
wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK);
return false;
}
}
- wxMemoryDC memoryDC;
- memoryDC.SelectObject(*m_previewBitmap);
-
- memoryDC.Clear();
-
- m_previewPrintout->SetDC(&memoryDC);
- m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
-
- // Need to delay OnPreparePrinting until here, so we have enough information.
- if (!m_printingPrepared)
- {
- m_previewPrintout->OnPreparePrinting();
- int selFrom, selTo;
- m_previewPrintout->GetPageInfo(&m_minPage, &m_maxPage, &selFrom, &selTo);
- m_printingPrepared = true;
- }
-
- m_previewPrintout->OnBeginPrinting();
-
- if (!m_previewPrintout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
+ if ( !RenderPageIntoBitmap(*m_previewBitmap, pageNum) )
{
- wxMessageBox(_("Could not start document preview."), _("Print Preview Failure"), wxOK);
-
- memoryDC.SelectObject(wxNullBitmap);
-
- delete m_previewBitmap;
- m_previewBitmap = NULL;
+ InvalidatePreviewBitmap();
+ wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK);
return false;
}
- m_previewPrintout->OnPrintPage(pageNum);
- m_previewPrintout->OnEndDocument();
- m_previewPrintout->OnEndPrinting();
-
- m_previewPrintout->SetDC(NULL);
-
- memoryDC.SelectObject(wxNullBitmap);
-
#if wxUSE_STATUSBAR
wxString status;
if (m_maxPage != 0)
// Draw blank page allowing for 1-pixel border AROUND the actual paper
dc.SetPen(*wxBLACK_PEN);
dc.SetBrush(*wxWHITE_BRUSH);
- dc.DrawRectangle(paperRect.x - 2, paperRect.y - 1,
+ dc.DrawRectangle(paperRect.x - 2, paperRect.y - 1,
paperRect.width + 3, paperRect.height + 2);
return true;
return;
m_currentZoom = percent;
- if (m_previewBitmap)
- {
- delete m_previewBitmap;
- m_previewBitmap = NULL;
- }
+
+ InvalidatePreviewBitmap();
if (m_previewCanvas)
{
AdjustScrollbars(m_previewCanvas);
- RenderPage(m_currentPage);
((wxScrolledWindow *) m_previewCanvas)->Scroll(0, 0);
m_previewCanvas->ClearBackground();
m_previewCanvas->Refresh();
return m_pimpl->PaintPage( canvas, dc );
}
+bool wxPrintPreview::UpdatePageRendering()
+{
+ return m_pimpl->UpdatePageRendering();
+}
+
bool wxPrintPreview::DrawBlankPage(wxPreviewCanvas *canvas, wxDC& dc)
{
return m_pimpl->DrawBlankPage( canvas, dc );
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