wg_label.cpp

一个小巧的嵌入式图形系统wGUI, 可以用VC编译

// wg_label.cpp
//
// CLabel class implementation
//
//
// Copyright (c) 2002 Rob Wiskow
// [e-mail]
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//


#include "wgui_include_config.h"
#include "wg_label.h"


namespace wGui
{

CLabel::CLabel(const CRect& WindowRect, CWindow* pParent, std::string sText, CRGBColor& FontColor, CFontEngine* pFontEngine) :
	CWindow(WindowRect, pParent),
	m_FontColor(FontColor)
{
  m_sClassName = "CLabel";
	m_sWindowText = sText;
	if (pFontEngine)
	{
		m_pFontEngine = pFontEngine;
	}
	else
	{
		m_pFontEngine = CApplication::Instance()->GetDefaultFontEngine();
	}
	std::auto_ptr<CRenderedString> pRenderedString(new CRenderedString(
		m_pFontEngine, sText, CRenderedString::VALIGN_BOTTOM, CRenderedString::HALIGN_LEFT));
	m_pRenderedString = pRenderedString;
	m_BGColor = DEFAULT_BG_COLOR;
}


CLabel::~CLabel(void)
{

}


void CLabel::Draw(void) const
{
	CWindow::Draw();

	m_pRenderedString->Draw(m_pSDLSurface, m_WindowRect, m_WindowRect.BottomLeft(), m_FontColor);
}


void CLabel::SetWindowText(const std::string& sWindowText)
{
	CWindow::SetWindowText(sWindowText);
	std::auto_ptr<CRenderedString> pRenderedString(new CRenderedString(
		m_pFontEngine, sWindowText, CRenderedString::VALIGN_BOTTOM, CRenderedString::HALIGN_LEFT));
	m_pRenderedString = pRenderedString;
	StartDrawProc();
}

}