fea35690f1
the bitmap to ensure that no other bitmaps are modified; also remove some code duplication by introducing wxMemoryDCBase (patch 1580745) git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42755 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
86 lines
1.7 KiB
C++
86 lines
1.7 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/x11/dcmemory.cpp
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// Purpose: wxMemoryDC class
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// Author: Julian Smart
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// Modified by:
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// Created: 01/02/97
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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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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#ifndef WX_PRECOMP
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#include "wx/utils.h"
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#include "wx/settings.h"
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#endif
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#include "wx/x11/private.h"
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IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxWindowDC)
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void wxMemoryDC::Init()
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{
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m_ok = false;
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m_display = (WXDisplay *) wxGlobalDisplay();
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int screen = DefaultScreen( wxGlobalDisplay() );
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m_cmap = (WXColormap) DefaultColormap( wxGlobalDisplay(), screen );
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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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Init();
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}
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wxMemoryDC::~wxMemoryDC()
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{
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}
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void wxMemoryDC::DoSelect( 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 = (WXWindow) 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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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 = NULL;
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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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