b85229d15b
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39796 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
154 lines
3.8 KiB
C++
154 lines
3.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: src/gtk/dcmemory.cpp
|
|
// Purpose:
|
|
// Author: Robert Roebling
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) 1998 Robert Roebling
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
// For compilers that support precompilation, includes "wx.h".
|
|
#include "wx/wxprec.h"
|
|
|
|
#include "wx/dcmemory.h"
|
|
|
|
#include <gdk/gdk.h>
|
|
#include <gtk/gtk.h>
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxMemoryDC
|
|
//-----------------------------------------------------------------------------
|
|
|
|
IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxWindowDC)
|
|
|
|
wxMemoryDC::wxMemoryDC() : wxWindowDC()
|
|
{
|
|
m_ok = false;
|
|
|
|
m_cmap = gtk_widget_get_default_colormap();
|
|
|
|
m_context = gdk_pango_context_get();
|
|
// Note: The Sun customised version of Pango shipping with Solaris 10
|
|
// crashes if the language is left NULL (see bug 1374114)
|
|
pango_context_set_language( m_context, gtk_get_default_language() );
|
|
m_layout = pango_layout_new( m_context );
|
|
m_fontdesc = pango_font_description_copy( pango_context_get_font_description( m_context ) );
|
|
}
|
|
|
|
wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
|
|
: wxWindowDC()
|
|
{
|
|
m_ok = false;
|
|
|
|
m_cmap = gtk_widget_get_default_colormap();
|
|
|
|
m_context = gdk_pango_context_get();
|
|
pango_context_set_language( m_context, gtk_get_default_language() );
|
|
m_layout = pango_layout_new( m_context );
|
|
m_fontdesc = pango_font_description_copy( pango_context_get_font_description( m_context ) );
|
|
}
|
|
|
|
wxMemoryDC::~wxMemoryDC()
|
|
{
|
|
g_object_unref(m_context);
|
|
}
|
|
|
|
void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
|
|
{
|
|
Destroy();
|
|
m_selected = bitmap;
|
|
if (m_selected.Ok())
|
|
{
|
|
m_window = m_selected.GetPixmap();
|
|
|
|
m_selected.PurgeOtherRepresentations(wxBitmap::Pixmap);
|
|
|
|
m_isMemDC = true;
|
|
|
|
SetUpDC();
|
|
}
|
|
else
|
|
{
|
|
m_ok = false;
|
|
m_window = (GdkWindow *) NULL;
|
|
}
|
|
}
|
|
|
|
void wxMemoryDC::SetPen( const wxPen& penOrig )
|
|
{
|
|
wxPen pen( penOrig );
|
|
if ( m_selected.Ok() &&
|
|
m_selected.GetDepth() == 1 &&
|
|
(pen != *wxTRANSPARENT_PEN) )
|
|
{
|
|
pen.SetColour( pen.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE );
|
|
}
|
|
|
|
wxWindowDC::SetPen( pen );
|
|
}
|
|
|
|
void wxMemoryDC::SetBrush( const wxBrush& brushOrig )
|
|
{
|
|
wxBrush brush( brushOrig );
|
|
if ( m_selected.Ok() &&
|
|
m_selected.GetDepth() == 1 &&
|
|
(brush != *wxTRANSPARENT_BRUSH) )
|
|
{
|
|
brush.SetColour( brush.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE);
|
|
}
|
|
|
|
wxWindowDC::SetBrush( brush );
|
|
}
|
|
|
|
void wxMemoryDC::SetBackground( const wxBrush& brushOrig )
|
|
{
|
|
wxBrush brush(brushOrig);
|
|
|
|
if ( m_selected.Ok() &&
|
|
m_selected.GetDepth() == 1 &&
|
|
(brush != *wxTRANSPARENT_BRUSH) )
|
|
{
|
|
brush.SetColour( brush.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE );
|
|
}
|
|
|
|
wxWindowDC::SetBackground( brush );
|
|
}
|
|
|
|
void wxMemoryDC::SetTextForeground( const wxColour& col )
|
|
{
|
|
if ( m_selected.Ok() && m_selected.GetDepth() == 1 )
|
|
{
|
|
wxWindowDC::SetTextForeground( col == *wxWHITE ? *wxBLACK : *wxWHITE);
|
|
}
|
|
else
|
|
{
|
|
wxWindowDC::SetTextForeground( col );
|
|
}
|
|
}
|
|
|
|
void wxMemoryDC::SetTextBackground( const wxColour &col )
|
|
{
|
|
if (m_selected.Ok() && m_selected.GetDepth() == 1)
|
|
{
|
|
wxWindowDC::SetTextBackground( col == *wxWHITE ? *wxBLACK : *wxWHITE );
|
|
}
|
|
else
|
|
{
|
|
wxWindowDC::SetTextBackground( col );
|
|
}
|
|
}
|
|
|
|
void wxMemoryDC::DoGetSize( int *width, int *height ) const
|
|
{
|
|
if (m_selected.Ok())
|
|
{
|
|
if (width) (*width) = m_selected.GetWidth();
|
|
if (height) (*height) = m_selected.GetHeight();
|
|
}
|
|
else
|
|
{
|
|
if (width) (*width) = 0;
|
|
if (height) (*height) = 0;
|
|
}
|
|
}
|