7452aff578
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@28851 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
168 lines
3.8 KiB
C++
168 lines
3.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: dcmemory.cpp
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// Purpose:
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// Author: Robert Roebling
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// RCS-ID: $Id$
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// Copyright: (c) 1998 Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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#pragma implementation "dcmemory.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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#include "wx/dcmemory.h"
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#include <gdk/gdk.h>
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#include <gtk/gtk.h>
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//-----------------------------------------------------------------------------
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// wxMemoryDC
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//-----------------------------------------------------------------------------
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IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxWindowDC)
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wxMemoryDC::wxMemoryDC() : wxWindowDC()
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{
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m_ok = FALSE;
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m_cmap = gtk_widget_get_default_colormap();
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#ifdef __WXGTK20__
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m_context = gdk_pango_context_get();
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m_layout = pango_layout_new( m_context );
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m_fontdesc = pango_font_description_copy( pango_context_get_font_description( m_context ) );
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#endif
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}
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wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
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: wxWindowDC()
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{
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m_ok = FALSE;
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m_cmap = gtk_widget_get_default_colormap();
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#ifdef __WXGTK20__
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m_context = gdk_pango_context_get();
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m_layout = pango_layout_new( m_context );
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m_fontdesc = pango_font_description_copy( pango_context_get_font_description( m_context ) );
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#endif
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}
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wxMemoryDC::~wxMemoryDC()
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{
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}
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void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
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{
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Destroy();
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m_selected = bitmap;
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if (m_selected.Ok())
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{
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if (m_selected.GetPixmap())
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{
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m_window = m_selected.GetPixmap();
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}
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else
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{
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m_window = m_selected.GetBitmap();
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}
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#ifdef __WXGTK20__
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m_selected.PurgeOtherRepresentations(wxBitmap::Pixmap);
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#endif
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m_isMemDC = TRUE;
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SetUpDC();
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}
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else
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{
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m_ok = FALSE;
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m_window = (GdkWindow *) NULL;
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}
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}
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void wxMemoryDC::SetPen( const wxPen& penOrig )
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{
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wxPen pen( penOrig );
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if ( m_selected.Ok() &&
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m_selected.GetBitmap() &&
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(pen != *wxTRANSPARENT_PEN) )
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{
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pen.SetColour( pen.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE );
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}
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wxWindowDC::SetPen( pen );
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}
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void wxMemoryDC::SetBrush( const wxBrush& brushOrig )
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{
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wxBrush brush( brushOrig );
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if ( m_selected.Ok() &&
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m_selected.GetBitmap() &&
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(brush != *wxTRANSPARENT_BRUSH) )
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{
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brush.SetColour( brush.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE);
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}
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wxWindowDC::SetBrush( brush );
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}
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void wxMemoryDC::SetBackground( const wxBrush& brushOrig )
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{
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wxBrush brush(brushOrig);
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if ( m_selected.Ok() &&
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m_selected.GetBitmap() &&
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(brush != *wxTRANSPARENT_BRUSH) )
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{
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brush.SetColour( brush.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE );
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}
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wxWindowDC::SetBackground( brush );
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}
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void wxMemoryDC::SetTextForeground( const wxColour& col )
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{
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if ( m_selected.Ok() && m_selected.GetBitmap() )
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{
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wxWindowDC::SetTextForeground( col == *wxWHITE ? *wxBLACK : *wxWHITE);
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}
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else
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{
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wxWindowDC::SetTextForeground( col );
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}
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}
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void wxMemoryDC::SetTextBackground( const wxColour &col )
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{
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if (m_selected.Ok() && m_selected.GetBitmap())
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{
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wxWindowDC::SetTextBackground( col == *wxWHITE ? *wxBLACK : *wxWHITE );
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}
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else
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{
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wxWindowDC::SetTextBackground( col );
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}
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}
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void wxMemoryDC::DoGetSize( int *width, int *height ) const
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{
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if (m_selected.Ok())
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{
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if (width) (*width) = m_selected.GetWidth();
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if (height) (*height) = m_selected.GetHeight();
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}
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else
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{
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if (width) (*width) = 0;
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if (height) (*height) = 0;
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}
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}
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