#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"
#include "wx/prntbase.h"
#include "wx/printdlg.h"
#include "wx/print.h"
+#include "wx/dcprint.h"
#include <stdlib.h>
#include <string.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
#ifdef __WXMSW__
#endif
}
+wxDCImpl* wxNativePrintFactory::CreatePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data )
+{
+#if defined(__WXGTK__) || defined(__WXMOTIF__) || ( defined(__WXUNIVERSAL__) && !defined(__WXMAC__) )
+ return new wxPostScriptDCImpl( owner, data );
+#else
+ return new wxPrinterDCImpl( owner, data );
+#endif
+}
+
bool wxNativePrintFactory::HasOwnPrintToFile()
{
// Only relevant for PostScript and here the
*toPage = 1;
}
+void wxPrintout::FitThisSizeToPaper(const wxSize& imageSize)
+{
+ // Set the DC scale and origin so that the given image size fits within the
+ // entire page and the origin is at the top left corner of the page. Note
+ // that with most printers, portions of the page will be non-printable. Use
+ // this if you're managing your own page margins.
+ if (!m_printoutDC) return;
+ wxRect paperRect = GetPaperRectPixels();
+ wxCoord pw, ph;
+ GetPageSizePixels(&pw, &ph);
+ wxCoord w, h;
+ m_printoutDC->GetSize(&w, &h);
+ 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->SetDeviceOrigin(0, 0);
+ wxRect logicalPaperRect = GetLogicalPaperRect();
+ SetLogicalOrigin(logicalPaperRect.x, logicalPaperRect.y);
+}
+
+void wxPrintout::FitThisSizeToPage(const wxSize& imageSize)
+{
+ // Set the DC scale and origin so that the given image size fits within the
+ // printable area of the page and the origin is at the top left corner of
+ // the printable area.
+ if (!m_printoutDC) return;
+ int w, h;
+ m_printoutDC->GetSize(&w, &h);
+ float scaleX = float(w) / imageSize.x;
+ float scaleY = float(h) / imageSize.y;
+ float actualScale = wxMin(scaleX, scaleY);
+ m_printoutDC->SetUserScale(actualScale, actualScale);
+ m_printoutDC->SetDeviceOrigin(0, 0);
+}
+
+void wxPrintout::FitThisSizeToPageMargins(const wxSize& imageSize, const wxPageSetupDialogData& pageSetupData)
+{
+ // Set the DC scale and origin so that the given image size fits within the
+ // page margins defined in the given wxPageSetupDialogData object and the
+ // origin is at the top left corner of the page margins.
+ if (!m_printoutDC) return;
+ wxRect paperRect = GetPaperRectPixels();
+ 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 + 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->SetDeviceOrigin(0, 0);
+ wxRect logicalPageMarginsRect = GetLogicalPageMarginsRect(pageSetupData);
+ SetLogicalOrigin(logicalPageMarginsRect.x, logicalPageMarginsRect.y);
+}
+
+void wxPrintout::MapScreenSizeToPaper()
+{
+ // Set the DC scale so that an image on the screen is the same size on the
+ // paper and the origin is at the top left of the paper. Note that with most
+ // printers, portions of the page will be cut off. Use this if you're
+ // managing your own page margins.
+ if (!m_printoutDC) return;
+ MapScreenSizeToPage();
+ wxRect logicalPaperRect = GetLogicalPaperRect();
+ SetLogicalOrigin(logicalPaperRect.x, logicalPaperRect.y);
+}
+
+void wxPrintout::MapScreenSizeToPage()
+{
+ // 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);
+ m_printoutDC->SetUserScale(userScaleX, userScaleY);
+ m_printoutDC->SetDeviceOrigin(0, 0);
+}
+
+void wxPrintout::MapScreenSizeToPageMargins(const wxPageSetupDialogData& pageSetupData)
+{
+ // Set the DC scale so that an image on the screen is the same size on the
+ // paper and the origin is at the top left of the page margins defined by
+ // the given wxPageSetupDialogData object.
+ if (!m_printoutDC) return;
+ MapScreenSizeToPage();
+ wxRect logicalPageMarginsRect = GetLogicalPageMarginsRect(pageSetupData);
+ SetLogicalOrigin(logicalPageMarginsRect.x, logicalPageMarginsRect.y);
+}
+
+void wxPrintout::MapScreenSizeToDevice()
+{
+ // 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;
+ m_printoutDC->SetUserScale(userScaleX, userScaleY);
+ m_printoutDC->SetDeviceOrigin(0, 0);
+}
+
+wxRect wxPrintout::GetLogicalPaperRect() const
+{
+ // Return the rectangle in logical units that corresponds to the paper
+ // rectangle.
+ wxRect paperRect = GetPaperRectPixels();
+ wxCoord pw, ph;
+ GetPageSizePixels(&pw, &ph);
+ wxCoord w, h;
+ 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),
+ 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(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
+{
+ // Return the rectangle in logical units that corresponds to the printable
+ // area.
+ int w, h;
+ m_printoutDC->GetSize(&w, &h);
+ return wxRect(m_printoutDC->DeviceToLogicalX(0),
+ m_printoutDC->DeviceToLogicalY(0),
+ m_printoutDC->DeviceToLogicalXRel(w),
+ m_printoutDC->DeviceToLogicalYRel(h));
+}
+
+wxRect wxPrintout::GetLogicalPageMarginsRect(const wxPageSetupDialogData& pageSetupData) const
+{
+ // Return the rectangle in logical units that corresponds to the region
+ // within the page margins as specified by the given wxPageSetupDialogData
+ // object.
+
+ // 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);
+ wxCoord mw, mh;
+ GetPageSizeMM(&mw, &mh);
+ float mmToDeviceX = float(pw) / mw;
+ float mmToDeviceY = float(ph) / mh;
+
+ // 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)
+ {
+ // 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),
+ 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(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) );
+}
+
+void wxPrintout::OffsetLogicalOrigin(wxCoord xoff, wxCoord yoff)
+{
+ // Offset the device origin by a specified distance in device coordinates.
+ 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)
// The app workspace colour is always white, but we should have
// a contrast with the page.
wxSystemColour colourIndex = wxSYS_COLOUR_3DDKSHADOW;
+#elif defined(__WXGTK__)
+ wxSystemColour colourIndex = wxSYS_COLOUR_BTNFACE;
#else
wxSystemColour colourIndex = wxSYS_COLOUR_APPWORKSPACE;
#endif
}
}
+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)
{
// The app workspace colour is always white, but we should have
// a contrast with the page.
wxSystemColour colourIndex = wxSYS_COLOUR_3DDKSHADOW;
+#elif defined(__WXGTK__)
+ wxSystemColour colourIndex = wxSYS_COLOUR_BTNFACE;
#else
wxSystemColour colourIndex = wxSYS_COLOUR_APPWORKSPACE;
#endif
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)
- {
- controlBar->OnGoto();
- return;
- }
- else if (event.GetKeyCode() == WXK_RETURN)
+ switch (event.GetKeyCode())
{
- controlBar->OnPrint();
- return;
+ case WXK_TAB:
+ controlBar->OnGoto();
+ return;
+ case WXK_RETURN:
+ controlBar->OnPrint();
+ return;
}
if (!event.ControlDown())
item0->Add( m_printButton, 0, wxALIGN_CENTRE|wxALL, 5 );
}
+ // Exact-fit buttons are too tiny on wxUniversal
+ int navButtonStyle;
+ wxSize navButtonSize;
+#ifdef __WXUNIVERSAL__
+ navButtonStyle = 0;
+ navButtonSize = wxSize(40, m_closeButton->GetSize().y);
+#else
+ navButtonStyle = wxBU_EXACTFIT;
+ navButtonSize = wxDefaultSize;
+#endif
+
if (m_buttonFlags & wxPREVIEW_FIRST)
{
- m_firstPageButton = new wxButton( this, wxID_PREVIEW_FIRST, _("|<<"), wxDefaultPosition, wxDefaultSize, wxBU_EXACTFIT );
+ m_firstPageButton = new wxButton( this, wxID_PREVIEW_FIRST, _("|<<"), wxDefaultPosition, navButtonSize, navButtonStyle );
item0->Add( m_firstPageButton, 0, wxALIGN_CENTRE|wxALL, 5 );
}
if (m_buttonFlags & wxPREVIEW_PREVIOUS)
{
- m_previousPageButton = new wxButton( this, wxID_PREVIEW_PREVIOUS, _("<<"), wxDefaultPosition, wxDefaultSize, wxBU_EXACTFIT );
+ m_previousPageButton = new wxButton( this, wxID_PREVIEW_PREVIOUS, _("<<"), wxDefaultPosition, navButtonSize, navButtonStyle );
item0->Add( m_previousPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
}
if (m_buttonFlags & wxPREVIEW_NEXT)
{
- m_nextPageButton = new wxButton( this, wxID_PREVIEW_NEXT, _(">>"), wxDefaultPosition, wxDefaultSize, wxBU_EXACTFIT );
+ m_nextPageButton = new wxButton( this, wxID_PREVIEW_NEXT, _(">>"), wxDefaultPosition, navButtonSize, navButtonStyle );
item0->Add( m_nextPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
}
if (m_buttonFlags & wxPREVIEW_LAST)
{
- m_lastPageButton = new wxButton( this, wxID_PREVIEW_LAST, _(">>|"), wxDefaultPosition, wxDefaultSize, wxBU_EXACTFIT );
+ m_lastPageButton = new wxButton( this, wxID_PREVIEW_LAST, _(">>|"), wxDefaultPosition, navButtonSize, navButtonStyle );
item0->Add( m_lastPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
}
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)
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();
}
wxPreviewCanvas *wxPrintPreviewBase::GetCanvas() const
{ return m_previewCanvas; }
-bool wxPrintPreviewBase::PaintPage(wxPreviewCanvas *canvas, wxDC& dc)
+void wxPrintPreviewBase::CalcRects(wxPreviewCanvas *canvas, wxRect& pageRect, wxRect& paperRect)
{
- DrawBlankPage(canvas, dc);
+ // Calculate the rectangles for the printable area of the page and the
+ // entire paper as they appear on the canvas on-screen.
+ int canvasWidth, canvasHeight;
+ canvas->GetSize(&canvasWidth, &canvasHeight);
- if (!m_previewBitmap)
- if (!RenderPage(m_currentPage))
- return false;
+ float zoomScale = float(m_currentZoom) / 100;
+ float screenPrintableWidth = zoomScale * m_pageWidth * m_previewScaleX;
+ float screenPrintableHeight = zoomScale * m_pageHeight * m_previewScaleY;
- if (!m_previewBitmap)
+ wxRect devicePaperRect = m_previewPrintout->GetPaperRectPixels();
+ wxCoord devicePrintableWidth, devicePrintableHeight;
+ m_previewPrintout->GetPageSizePixels(&devicePrintableWidth, &devicePrintableHeight);
+ float scaleX = screenPrintableWidth / devicePrintableWidth;
+ float scaleY = screenPrintableHeight / devicePrintableHeight;
+ paperRect.width = wxCoord(scaleX * devicePaperRect.width);
+ paperRect.height = wxCoord(scaleY * devicePaperRect.height);
+
+ paperRect.x = wxCoord((canvasWidth - paperRect.width)/ 2.0);
+ if (paperRect.x < m_leftMargin)
+ paperRect.x = m_leftMargin;
+ paperRect.y = wxCoord((canvasHeight - paperRect.height)/ 2.0);
+ if (paperRect.y < m_topMargin)
+ paperRect.y = m_topMargin;
+
+ pageRect.x = paperRect.x - wxCoord(scaleX * devicePaperRect.x);
+ pageRect.y = paperRect.y - wxCoord(scaleY * devicePaperRect.y);
+ pageRect.width = wxCoord(screenPrintableWidth);
+ pageRect.height = wxCoord(screenPrintableHeight);
+}
+
+
+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 (!canvas)
+ if ( m_previewFailed )
return false;
- int canvasWidth, canvasHeight;
- canvas->GetSize(&canvasWidth, &canvasHeight);
+ if ( !RenderPage(m_currentPage) )
+ {
+ m_previewFailed = true; // don't waste time failing again
+ return false;
+ }
- double zoomScale = ((float)m_currentZoom/(float)100);
- double actualWidth = (zoomScale*m_pageWidth*m_previewScale);
- // float actualHeight = (float)(zoomScale*m_pageHeight*m_previewScale);
+ return true;
+}
- int x = (int) ((canvasWidth - actualWidth)/2.0);
- if (x < m_leftMargin)
- x = m_leftMargin;
- int y = m_topMargin;
+bool wxPrintPreviewBase::PaintPage(wxPreviewCanvas *canvas, wxDC& dc)
+{
+ DrawBlankPage(canvas, dc);
+ if (!m_previewBitmap)
+ return false;
+ if (!canvas)
+ return false;
+
+ wxRect pageRect, paperRect;
+ CalcRects(canvas, pageRect, paperRect);
wxMemoryDC temp_dc;
temp_dc.SelectObject(*m_previewBitmap);
- dc.Blit(x, y, m_previewBitmap->GetWidth(), m_previewBitmap->GetHeight(), &temp_dc, 0, 0);
+ dc.Blit(pageRect.x, pageRect.y,
+ m_previewBitmap->GetWidth(), m_previewBitmap->GetHeight(), &temp_dc, 0, 0);
temp_dc.SelectObject(wxNullBitmap);
-
return true;
}
if (!canvas)
return ;
- int canvasWidth, canvasHeight;
- canvas->GetSize(&canvasWidth, &canvasHeight);
-
- double zoomScale = ((float)m_currentZoom/(float)100);
- double actualWidth = (zoomScale*m_pageWidth*m_previewScale);
- double actualHeight = (zoomScale*m_pageHeight*m_previewScale);
-
- // Set the scrollbars appropriately
- int totalWidth = (int)(actualWidth + 2*m_leftMargin);
- int totalHeight = (int)(actualHeight + 2*m_topMargin);
- int scrollUnitsX = totalWidth/10;
- int scrollUnitsY = totalHeight/10;
+ wxRect pageRect, paperRect;
+ CalcRects(canvas, pageRect, paperRect);
+ int totalWidth = paperRect.width + 2 * m_leftMargin;
+ int totalHeight = paperRect.height + 2 * m_topMargin;
+ int scrollUnitsX = totalWidth / 10;
+ int scrollUnitsY = totalHeight / 10;
wxSize virtualSize = canvas->GetVirtualSize();
if (virtualSize.GetWidth() != totalWidth || virtualSize.GetHeight() != totalHeight)
canvas->SetScrollbars(10, 10, scrollUnitsX, scrollUnitsY, 0, 0, true);
}
-bool wxPrintPreviewBase::RenderPage(int pageNum)
+bool wxPrintPreviewBase::RenderPageIntoDC(wxDC& dc, int pageNum)
{
- wxBusyCursor busy;
-
- int canvasWidth, canvasHeight;
-
- if (!m_previewCanvas)
- {
- wxFAIL_MSG(_T("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!"));
-
- return false;
- }
- m_previewCanvas->GetSize(&canvasWidth, &canvasHeight);
-
- double zoomScale = (m_currentZoom/100.0);
- int actualWidth = (int)(zoomScale*m_pageWidth*m_previewScale);
- int actualHeight = (int)(zoomScale*m_pageHeight*m_previewScale);
-
- if (!m_previewBitmap)
- {
- m_previewBitmap = new wxBitmap((int)actualWidth, (int)actualHeight);
- if (!m_previewBitmap || !m_previewBitmap->Ok())
- {
- if (m_previewBitmap) {
- delete m_previewBitmap;
- m_previewBitmap = NULL;
- }
- 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->SetDC(&dc);
m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
- // Need to delay OnPreparePrinting until here, so we have enough information.
+ // Need to delay OnPreparePrinting() until here, so we have enough
+ // information.
if (!m_printingPrepared)
{
m_previewPrintout->OnPreparePrinting();
if (!m_previewPrintout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
{
wxMessageBox(_("Could not start document preview."), _("Print Preview Failure"), wxOK);
-
- memoryDC.SelectObject(wxNullBitmap);
-
- delete m_previewBitmap;
- m_previewBitmap = NULL;
return false;
}
m_previewPrintout->SetDC(NULL);
- memoryDC.SelectObject(wxNullBitmap);
+ 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!"));
+ return false;
+ }
+
+ wxRect pageRect, paperRect;
+ CalcRects(m_previewCanvas, pageRect, paperRect);
+
+ if (!m_previewBitmap)
+ {
+ m_previewBitmap = new wxBitmap(pageRect.width, pageRect.height);
+
+ if (!m_previewBitmap || !m_previewBitmap->Ok())
+ {
+ InvalidatePreviewBitmap();
+ wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK);
+ return false;
+ }
+ }
+
+ if ( !RenderPageIntoBitmap(*m_previewBitmap, pageNum) )
+ {
+ InvalidatePreviewBitmap();
+ wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK);
+ return false;
+ }
#if wxUSE_STATUSBAR
wxString status;
return true;
}
-
bool wxPrintPreviewBase::DrawBlankPage(wxPreviewCanvas *canvas, wxDC& dc)
{
- int canvasWidth, canvasHeight;
- canvas->GetSize(&canvasWidth, &canvasHeight);
+ wxRect pageRect, paperRect;
- float zoomScale = (float)((float)m_currentZoom/(float)100);
- float actualWidth = zoomScale*m_pageWidth*m_previewScale;
- float actualHeight = zoomScale*m_pageHeight*m_previewScale;
+ CalcRects(canvas, pageRect, paperRect);
- float x = (float)((canvasWidth - actualWidth)/2.0);
- if (x < m_leftMargin)
- x = (float)m_leftMargin;
- float y = (float)m_topMargin;
+ // Draw shadow, allowing for 1-pixel border AROUND the actual paper
+ wxCoord shadowOffset = 4;
- // Draw shadow, allowing for 1-pixel border AROUND the actual page
- int shadowOffset = 4;
dc.SetPen(*wxBLACK_PEN);
dc.SetBrush(*wxBLACK_BRUSH);
- /*
- dc.DrawRectangle((int)(x-1 + shadowOffset), (int)(y-1 + shadowOffset), (int)(actualWidth+2), (int)(actualHeight+2));
- */
- dc.DrawRectangle((int)(x + shadowOffset), (int)(y + actualHeight+1), (int)(actualWidth), shadowOffset);
- dc.DrawRectangle((int)(x + actualWidth), (int)(y + shadowOffset), shadowOffset, (int)(actualHeight));
+ dc.DrawRectangle(paperRect.x + shadowOffset, paperRect.y + paperRect.height + 1,
+ paperRect.width, shadowOffset);
- // Draw blank page allowing for 1-pixel border AROUND the actual page
+ dc.DrawRectangle(paperRect.x + paperRect.width, paperRect.y + shadowOffset,
+ shadowOffset, paperRect.height);
+
+ // Draw blank page allowing for 1-pixel border AROUND the actual paper
dc.SetPen(*wxBLACK_PEN);
dc.SetBrush(*wxWHITE_BRUSH);
-
- /*
- wxRegion update_region = canvas->GetUpdateRegion();
- wxRect r = update_region.GetBox();
-
- printf( "x: %d y: %d w: %d h: %d.\n", (int)r.x, (int)r.y, (int)r.width, (int)r.height );
- */
-
- dc.DrawRectangle((int)(x-2), (int)(y-1), (int)(actualWidth+3), (int)(actualHeight+2));
+ 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_isOk; }
void wxPrintPreviewBase::SetOk(bool ok)
{ m_isOk = ok; }
+
//----------------------------------------------------------------------------
// wxPrintPreview
//----------------------------------------------------------------------------
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 );
projects / wxWidgets.git / blobdiff