wxScrolledWindow(parent, -1, pos, size, style, name)
{
m_printPreview = preview;
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
SetScrollbars(15, 18, 100, 100);
}
// Responds to colour changes, and passes event on to children.
void wxPreviewCanvas::OnSysColourChanged(wxSysColourChangedEvent& event)
{
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
Refresh();
// Propagate the event to the non-top-level children
if (m_previewCanvas)
{
- RenderPage(pageNum);
+ if (!RenderPage(pageNum))
+ return FALSE;
m_previewCanvas->Refresh();
}
return TRUE;
DrawBlankPage(canvas, dc);
if (!m_previewBitmap)
- RenderPage(m_currentPage);
+ if (!RenderPage(m_currentPage))
+ return FALSE;
if (!m_previewBitmap)
return FALSE;
m_previewBitmap = new wxBitmap((int)actualWidth, (int)actualHeight);
if (!m_previewBitmap || !m_previewBitmap->Ok())
{
- if (m_previewBitmap)
+ if (m_previewBitmap) {
delete m_previewBitmap;
+ m_previewBitmap = NULL;
+ }
wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK);
return FALSE;
}
memoryDC.SelectObject(wxNullBitmap);
delete m_previewBitmap;
+ m_previewBitmap = NULL;
return FALSE;
}