//?2DBarGraph.cpp:?implementation?of?the?C2DBarGraph?class.
//
//////////////////////////////////////////////////////////////////////

#include?“stdafx.h“
#include?“2DBarGraph.h“

#ifdef?_DEBUG
#undef?THIS_FILE
static?char?THIS_FILE[]=__FILE__;
#define?new?DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
//?Construction/Destruction
//////////////////////////////////////////////////////////////////////

C2DBarGraph::C2DBarGraph（CPoint?g_position?CSize?g_size）
{
	//?Set?graph?position?and?size
	m_Position?=?g_position;
	m_Size?=?g_size;

	//?Set?graph?segments?and?series?number
	m_SegmentsNumber?=?0;
	m_Segments?=?NULL;
	m_SeriesNumber?=?0;
	m_Series?=?NULL;

	//?Set?graph?legend?font
	m_LegendFont?=?new?CFont（）;
	m_LegendFont->CreateFont（?int（m_Size.cy*0.075）?0?0?0?FW_NORMAL?FALSE?FALSE?FALSE
		DEFAULT_CHARSET?OUT_CHARACTER_PRECIS?CLIP_CHARACTER_PRECIS?PROOF_QUALITY?DEFAULT_PITCH?|?FF_DONTCARE?“Arial“?）;

	//?Set?graph?series?font
	m_SegmentFont?=?NULL;

	//?Set?graph?value?font
	m_ValueFont?=?new?CFont（）;
	m_ValueFont->CreateFont（?int（m_Size.cy*0.1）?0?0?0?FW_NORMAL?FALSE?FALSE?FALSE
		DEFAULT_CHARSET?OUT_CHARACTER_PRECIS?CLIP_CHARACTER_PRECIS?PROOF_QUALITY?DEFAULT_PITCH?|?FF_DONTCARE?“Arial“?）;

	//?Set?default?graph?background?color
	m_GraphBkColor?=?RGB（2552552555）;

	//?Set?default?graph?labels?color
	m_LabelsColor?=?RGB（000）;

	//?Set?default?graph?legend?background?color
	m_LegendBackgroundColor?=?RGB（255255255）;
	m_LegendTextColor?=?RGB（000）;
}

C2DBarGraph::~C2DBarGraph（）
{
	//?Delete?graph?segments?and?series
	ClearGraph（）;

	//?Delete?graph?legend?font
	m_LegendFont->Deleteobject（）;
	delete?m_LegendFont;
	m_LegendFont?=?NULL;

	//?Delete?graph?segment?font
	m_SegmentFont?=?NULL;

	//?Delete?graph?value?font
	m_ValueFont->Deleteobject（）;
	delete?m_ValueFont;
	m_ValueFont?=?NULL;
}

void?C2DBarGraph::ClearGraph（）
{
	_2DBarGraphSeries?*curr_ser?*prev_ser;
	_2DBarGraphSegments?*curr_seg?*prev_seg;
	_2DBarGraphValues?*curr_val?*prev_val;

	//?Delete?all?graph?series
	curr_ser?=?m_Series;
	while?（?curr_ser?!=?NULL?）
	{
		//?Delete?all?graph?values
		curr_val?=?curr_ser->values;
		while?（?curr_val?!=?NULL?）
		{
			prev_val?=?curr_val;
			curr_val?=?curr_val->next;
			delete?prev_val;
		}

		prev_ser?=?curr_ser;
		curr_ser?=?curr_ser->next;
		delete?prev_ser;
	}

	//?Delete?all?graph?segments
	curr_seg?=?m_Segments;
	while?（?curr_seg?!=?NULL?）
	{
		prev_seg?=?curr_seg;
		curr_seg?=?curr_seg->next;
		delete?prev_seg;
	}

	//?Set?graph?segment?and?series?parameters
	m_Segments?=?NULL;
	m_SegmentsNumber?=?0;
	m_Series?=?NULL;
	m_SeriesNumber?=?0;
}

void?C2DBarGraph::BuildGraph（HDC?hDC）
{
	int?seg_width?seg_height;
	CPoint?ser_start?seg_font_pos;
	int?ser_width;
	int?max_value;

	//?Set?graph?step?parameters
	int?seg_area?=?int（m_Size.cx*0.6）;
	int?se

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件????????4311??2005-01-18?19:14??CGraphExample.cpp
?????文件????????5336??2005-01-18?19:14??CGraphExample.dsp
?????文件?????????551??2005-01-18?19:14??CGraphExample.dsw
?????文件????????1433??2005-01-18?19:14??CGraphExample.h
?????文件???????11242??2005-01-18?19:14??CGraphExample.rc
?????文件????????1882??2005-01-18?19:14??CGraphExampleDoc.cpp
?????文件????????1552??2005-01-18?19:14??CGraphExampleDoc.h
?????文件???????20913??2005-01-21?07:11??CGraphExampleView.cpp
?????文件????????2322??2005-01-18?19:14??CGraphExampleView.h
?????文件???????31831??2005-01-21?07:16??Graphobject.cpp
?????文件????????4371??2005-01-21?07:12??Graphobject.h
?????文件????????2514??2005-01-18?19:14??MainFrm.cpp
?????文件????????1581??2005-01-18?19:14??MainFrm.h
?????文件??????????67??2005-01-18?19:14??MathParams.h
?????文件????????4479??2005-01-18?19:14??ReadMe.txt
?????文件?????????922??2005-01-18?19:14??Resource.h
?????文件?????????215??2005-01-18?19:14??StdAfx.cpp
?????文件????????1026??2005-01-18?19:14??StdAfx.h
?????文件????????1078??2005-01-18?19:14??res\CGraphExample.ico
?????文件?????????405??2005-01-18?19:14??res\CGraphExample.rc2
?????文件????????1078??2005-01-18?19:14??res\CGraphExampleDoc.ico
?????文件????????1078??2005-01-18?19:14??res\Toolbar.bmp
?????目錄???????????0??2005-01-19?07:12??res\
?????文件???????57938??2005-01-21?07:25??2DBarGraph.cpp
?????文件????????2645??2005-01-19?07:29??2DBarGraph.h
?????文件???????43580??2005-01-21?07:29??2DLineGraph.cpp
?????文件????????2618??2005-01-19?07:28??2DLineGraph.h
?????文件???????22607??2005-01-21?07:19??2DPieGraph.cpp
?????文件????????2051??2005-01-19?07:28??2DPieGraph.h
?????文件????????2605??2005-01-21?07:12??CGraphExample.clw