/*
*
* ChartAxisLabel.cpp
*
* Written by C�dric Moonen (cedric_moonen@hotmail.com)
*
*
*
* This code may be used for any non-commercial and commercial purposes in a compiled form.
* The code may be redistributed as long as it remains unmodified and providing that the
* author name and this disclaimer remain intact. The sources can be modified WITH the author
* consent only.
*
* This code is provided without any garanties. I cannot be held responsible for the damage or
* the loss of time it causes. Use it at your own risks
*
* An e-mail to notify me that you are using this code is appreciated also.
*
* History:
* - 24/08/2007: Bug fix in color of the label (text was always black)
*
*
*/
#include "stdafx.h"
#include "ChartAxisLabel.h"
#include "ChartCtrl.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CChartAxisLabel::CChartAxisLabel(CChartCtrl* pParent, bool bHorizontal):CChartObject(pParent)
{
m_bIsHorizontal = bHorizontal;
m_iFontSize = 100;
m_strFontName = "Microsoft Sans Serif";
m_strLabelText = "";
}
CChartAxisLabel::~CChartAxisLabel()
{
}
void CChartAxisLabel::SetText(std::string NewText)
{
m_strLabelText = NewText;
m_pParent->RefreshCtrl();
}
void CChartAxisLabel::SetFont(int nPointSize,std::string strFaceName)
{
m_iFontSize = nPointSize;
m_strFontName = strFaceName;
m_pParent->RefreshCtrl();
}
CSize CChartAxisLabel::GetSize(CDC *pDC) const
{
CSize LabelSize;
LabelSize.cx = 0;
LabelSize.cy = 0;
if (!m_bIsVisible)
return LabelSize;
if (!pDC->GetSafeHdc())
return LabelSize;
if (m_strLabelText == "")
return LabelSize;
CFont NewFont;
CFont* pOldFont;
NewFont.CreatePointFont(m_iFontSize,m_strFontName.c_str(),pDC);
pOldFont = pDC->SelectObject(&NewFont);
LabelSize = pDC->GetTextExtent(m_strLabelText.c_str());
LabelSize.cx += 4;
LabelSize.cy += 4;
if (!m_bIsHorizontal)
{
int Width = LabelSize.cy;
int Height = LabelSize.cx;
LabelSize.cx = Width;
LabelSize.cy = Height;
}
pDC->SelectObject(pOldFont);
DeleteObject(NewFont);
return LabelSize;
}
void CChartAxisLabel::Draw(CDC *pDC)
{
if (!m_bIsVisible)
return;
if (!pDC->GetSafeHdc())
return;
if (m_strLabelText == "")
return;
int iPrevMode = pDC->SetBkMode(TRANSPARENT);
COLORREF OldColor = pDC->SetTextColor(m_ObjectColor);
CFont NewFont;
NewFont.CreatePointFont(m_iFontSize,m_strFontName.c_str(),pDC);
CFont* pOldFont;
if (!m_bIsHorizontal)
{
LOGFONT LogFont;
NewFont.GetLogFont(&LogFont);
LogFont.lfOrientation = 900;
LogFont.lfEscapement = 900;
CFont VertFont;
VertFont.CreateFontIndirect(&LogFont);
pOldFont = pDC->SelectObject(&VertFont);
pDC->ExtTextOut(m_ObjectRect.left + 2,m_ObjectRect.top,
ETO_CLIPPED,NULL,m_strLabelText.c_str(),NULL);
pDC->SelectObject(pOldFont);
DeleteObject(VertFont);
DeleteObject(NewFont);
}
else
{
pOldFont = pDC->SelectObject(&NewFont);
pDC->ExtTextOut(m_ObjectRect.left,m_ObjectRect.top + 2,
ETO_CLIPPED,NULL,m_strLabelText.c_str(),NULL);
pDC->SelectObject(pOldFont);
DeleteObject(NewFont);
}
pDC->SetBkMode(iPrevMode);
pDC->SetTextColor(OldColor);
}
void CChartAxisLabel::SetPosition(int LeftBorder, int TopBorder, CDC *pDC)
{
CSize NewSize = GetSize(pDC);
CRect NewRect;
NewRect.top = TopBorder;
NewRect.bottom = TopBorder + NewSize.cy;
NewRect.left = LeftBorder;
NewRect.right = LeftBorder + NewSize.cx;
CChartObject::SetRect(NewRect);
}