book.cpp

用c++编写的简单的绘图程序

#include "stdafx.h"
#include "resource.h"      
#include "BOOK.h"
//#include "math.h"
///////////CShape类的实现

void CShape::operator=(CShape* obj)
	{  
       x1=obj->x1;
       x2=obj->x2;
       y1=obj->y1;
       y2=obj->y2;
      borbarScal=obj->GetBorbarScal();
      shapeColor=obj->GetShapeColor();	
      ifFill=obj->GetIfFill();
	  objectId=obj->GetId();
      objectName=obj->GetName();
      center=obj->GetCenter();

	}
void CShape::operator=(CShape& obj)
	{ 
       x1=obj.x1;
       x2=obj.x2;
       y1=obj.y1;
       y2=obj.y2;
      shapeColor=obj.GetShapeColor();
      borbarScal=obj.GetBorbarScal();
      ifFill=obj.GetIfFill();
	  objectId=obj.GetId();
      objectName=obj.GetName();
      center=obj.GetCenter();
	}

/////////////CLine类的实现

//直线最终
void CLine::Draw(CDC* pDC)
{

	//以下设置DC
	CPen pen(PS_SOLID, GetBorbarScal(), GetShapeColor()), *oldpen;
	oldpen = pDC->SelectObject(&pen);
	//以下移动直线
	pDC->MoveTo(x1, y1);
	pDC->LineTo(x2, y2);

	//以下恢复DC
	pDC->SelectObject(oldpen);
	pen.DeleteObject();//释放笔资源
	center.x=0.5*((double)x1+(double)x2);
	center.y=0.5*((double)y1+(double)y2);
}

void CLine::MoveAt(CDC *pDC, long x, long y)
{
	//以下设置DC
	COLORREF XorColor = pDC->GetBkColor()^ GetShapeColor();
	CPen pen(PS_SOLID, GetBorbarScal(), XorColor), *oldpen;
	int oldmode = pDC->GetROP2();
	oldpen = pDC->SelectObject(&pen);
	pDC->SetROP2(R2_XORPEN);
	//以下移动直线
	pDC->MoveTo(x1, y1);
	pDC->LineTo(x2, y2);//删除原图形

	x2 = x;
	y2 = y;

	pDC->MoveTo(x1, y1);
	pDC->LineTo(x2, y2);//绘新图形

	//以下恢复DC
	pDC->SelectObject(oldpen);
	pen.DeleteObject();//释放笔资源
}

void  CLine::NewPoint(long x, long y)
{
	 x2=x1 = x;
	 y2=y1 = y;
}


void CLine::Activation(CDC* pDC,COLORREF typeColor) 
{
    //以下设置DC
	CPen pen(PS_SOLID, GetBorbarScal(), typeColor), *oldpen;
	oldpen = pDC->SelectObject(&pen);
	CBrush* oldbrush;
	CBrush  brush(typeColor);

		oldbrush = (CBrush*)pDC->SelectObject(&brush);
	//以下移动直线
    pDC->Ellipse(x1-2,y1-2,x1+2,y1+2);
    pDC->Ellipse(x2-2,y2-2,x2+2,y2+2);
    pDC->Ellipse(center.x-2,center.y-2,center.x+2,center.y+2);
	//以下恢复DC
	pDC->SelectObject(&oldbrush);
	pDC->SelectObject(oldpen);
	pen.DeleteObject();//释放笔资源
}
void CLine::Delete(CDC* pDC,COLORREF bkColor)
{

	//以下设置DC
	CPen pen(PS_SOLID, GetBorbarScal(), bkColor), *oldpen;
	oldpen = pDC->SelectObject(&pen);
	//以下移动直线
	pDC->MoveTo(x1, y1);
	pDC->LineTo(x2, y2);

	//以下恢复DC
	pDC->SelectObject(oldpen);
	pen.DeleteObject();//释放笔资源
}

//移动
void CLine::MoveShape(int direction)
{
	switch(direction)
	{
	case DIR_EAST:
			x1+=MOVE_SPEED;
			x2+=MOVE_SPEED;
			center.x+=MOVE_SPEED;
			break;
	case DIR_WEST:
			x1-=MOVE_SPEED;
			x2-=MOVE_SPEED;
			center.x-=MOVE_SPEED;
			break;
	case DIR_SOUTH:
			y1+=MOVE_SPEED;
			y2+=MOVE_SPEED;
			center.y+=MOVE_SPEED;
			break;
	case DIR_NORTH:
			y1-=MOVE_SPEED;
			y2-=MOVE_SPEED;
			center.y-=MOVE_SPEED;
			break;
	}
}
//旋转
 void CLine::Circumrotate(int cock_drt)
 {
	double angle;
	switch(cock_drt)
	{
	case ID_OBJ_ANTIC:
		angle=ROTATE_ANGLE;
		break;
	case ID_OBJ_DELIC:
        angle=-ROTATE_ANGLE;
		break;
	}
		x1=center.x+(x1-center.x)*cos(angle)-(y1-center.y)*sin(angle);
		y1=center.y+(x1-center.x)*sin(angle)+(y1-center.y)*cos(angle);
		x2=center.x+(x2-center.x)*cos(angle)-(y2-center.y)*sin(angle);
		y2=center.y+(x2-center.x)*sin(angle)+(y2-center.y)*cos(angle);
 }
 void CLine::SizeScal(int mode)
 {
	 double sizeScal;
	switch(mode)
	{
	case IDC_OBJ_SIZE_LARGE:
		sizeScal=1.1;
		break;
	case IDC_OBJ_SIZE_SMALL:
		sizeScal=0.9;
		break;
	}
		x1=center.x+(x1-center.x)*sizeScal;
		y1=center.y+(y1-center.y)*sizeScal;
		x2=center.x+(x2-center.x)*sizeScal;
		y2=center.y+(y2-center.y)*sizeScal;

 }

//CRectangle类的实现

void CRectangle::Draw(CDC* pDC)
{
	//以下设置DC
    POINT triangle[4]={{x1,y1},{x3,y3},{x2,y2},{x4,y4}};
	CPen pen(PS_SOLID, GetBorbarScal(), GetShapeColor()), *oldpen;
	oldpen = pDC->SelectObject(&pen);
	CBrush* oldbrush;
	CBrush  brush(GetShapeColor());

	if( GetIfFill() )	
		oldbrush = (CBrush*)pDC->SelectObject(&brush);
	else
		oldbrush=(CBrush*)pDC->SelectStockObject(NULL_BRUSH);
	//以下移动矩形
     pDC->Polygon(triangle,4);

	//以下恢复DC
	pDC->SelectObject(&oldbrush);
	pDC->SelectObject(oldpen);
	pen.DeleteObject();//释放笔资源
	center.x=0.5*((double)x1+(double)x2);
	center.y=0.5*((double)y1+(double)y2);
}

void CRectangle::Delete(CDC* pDC,COLORREF bkColor)
{
    POINT triangle[4]={{x1,y1},{x3,y3},{x2,y2},{x4,y4}};
	//以下设置DC
	CPen pen(PS_SOLID, GetBorbarScal(), bkColor), *oldpen;
	oldpen = pDC->SelectObject(&pen);
	CBrush* oldbrush;
	CBrush  brush(bkColor);
	if( GetIfFill() )	
		oldbrush = (CBrush*)pDC->SelectObject(&brush);
	else
		oldbrush=(CBrush*)pDC->SelectStockObject(NULL_BRUSH);
	//以下移动矩形
     pDC->Polygon(triangle,4);
	//以下恢复DC
	pDC->SelectObject(&oldbrush);
	pDC->SelectObject(oldpen);
	pen.DeleteObject();//释放笔资源
}
void CRectangle::MoveAt(CDC *pDC, long x, long y)
{
	if( !GetIfFill() )
	{//以下设置DC
	COLORREF XorColor = pDC->GetBkColor()^ GetShapeColor();
	CPen pen(PS_SOLID, GetBorbarScal(), XorColor), *oldpen;
	int oldmode = pDC->GetROP2();
	oldpen = pDC->SelectObject(&pen);
	pDC->SetROP2(R2_XORPEN);
	CBrush* oldbrush;
	//CBrush  brush;
	
		oldbrush = (CBrush*)pDC->SelectStockObject(NULL_BRUSH);
	//以下移动矩形
     pDC->Rectangle(x1,y1,x2,y2);

	x2 = x;
	y2 = y;

     pDC->Rectangle(x1,y1,x2,y2);

	//以下恢复DC
	pDC->SetROP2(oldmode);
	pDC->SelectObject(&oldbrush);
	pDC->SelectObject(oldpen);
	pen.DeleteObject();//释放笔资源
	x3=x1;
	y3=y2;
	x4=x2;
	y4=y1;
	}

     else
	 {//以下设置DC
	COLORREF XorColor = pDC->GetBkColor()^ GetShapeColor();
	CPen pen(PS_SOLID, GetBorbarScal(), XorColor), *oldpen;
	int oldmode = pDC->GetROP2();
	oldpen = pDC->SelectObject(&pen);
	pDC->SetROP2(R2_XORPEN);
	CBrush* oldbrush;
	CBrush  brush(XorColor);

	oldbrush=(CBrush*)pDC->SelectObject(brush);
	//以下移动矩形
     pDC->Rectangle(x1,y1,x2,y2);

	x2 = x;
	y2 = y;

     pDC->Rectangle(x1,y1,x2,y2);

	//以下恢复DC
		pDC->SetROP2(oldmode);
	pDC->SelectObject(&oldbrush);
	pDC->SelectObject(oldpen);
	pen.DeleteObject();//释放笔资源
	x3=x1;
	y3=y2;
	x4=x2;
	y4=y1;
	 }
}

void  CRectangle::NewPoint(long x, long y)
{
	 x2=x1 = x;
	 y2=y1 = y;
}

void CRectangle::Activation(CDC* pDC,COLORREF typeColor) 
{
    //以下设置DC
	CPen pen(PS_SOLID, GetBorbarScal(), typeColor), *oldpen;
	oldpen = pDC->SelectObject(&pen);
	CBrush* oldbrush;
	CBrush  brush(typeColor);
    oldbrush = (CBrush*)pDC->SelectObject(&brush);
	//以下移动直线
    pDC->Ellipse(x1-2,y1-2,x1+2,y1+2);
    pDC->Ellipse(x2-2,y2-2,x2+2,y2+2);

    pDC->Ellipse(x3-2,y3-2,x3+2,y3+2);
    pDC->Ellipse(x4-2,y4-2,x4+2,y4+2);

	//以下恢复DC

	pDC->SelectObject(&oldbrush);
	pDC->SelectObject(oldpen);
	pen.DeleteObject();//释放笔资源
}

//移动
void CRectangle::MoveShape(int direction)
{
	switch(direction)
	{
	case DIR_EAST:
			x1+=MOVE_SPEED;
			x2+=MOVE_SPEED;
			x3+=MOVE_SPEED;
			x4+=MOVE_SPEED;
			center.x+=MOVE_SPEED;
			break;
	case DIR_WEST:
			x1-=MOVE_SPEED;
			x2-=MOVE_SPEED;
			x3-=MOVE_SPEED;
			x4-=MOVE_SPEED;
			center.x-=MOVE_SPEED;
			break;
	case DIR_SOUTH:
			y1+=MOVE_SPEED;
			y2+=MOVE_SPEED;
			y3+=MOVE_SPEED;
			y4+=MOVE_SPEED;
			center.y+=MOVE_SPEED;
			break;
	case DIR_NORTH:
			y1-=MOVE_SPEED;
			y2-=MOVE_SPEED;
			y3-=MOVE_SPEED;
			y4-=MOVE_SPEED;
			center.y-=MOVE_SPEED;
			break;
	}
}
void CRectangle::Circumrotate(int cock_drt)
 {
	double angle;
	switch(cock_drt)
	{
	case ID_OBJ_ANTIC:
		angle=ROTATE_ANGLE;
		break;
	case ID_OBJ_DELIC:
        angle=-ROTATE_ANGLE;
		break;
	}
		x1=center.x+(x1-center.x)*cos(angle)-(y1-center.y)*sin(angle);
		y1=center.y+(x1-center.x)*sin(angle)+(y1-center.y)*cos(angle);
		x2=center.x+(x2-center.x)*cos(angle)-(y2-center.y)*sin(angle);
		y2=center.y+(x2-center.x)*sin(angle)+(y2-center.y)*cos(angle);
		x3=center.x+(x3-center.x)*cos(angle)-(y3-center.y)*sin(angle);
		y3=center.y+(x3-center.x)*sin(angle)+(y3-center.y)*cos(angle);
		x4=center.x+(x4-center.x)*cos(angle)-(y4-center.y)*sin(angle);
		y4=center.y+(x4-center.x)*sin(angle)+(y4-center.y)*cos(angle);
 }
 void CRectangle::SizeScal(int mode)
 {
	 double sizeScal;
	switch(mode)
	{
	case IDC_OBJ_SIZE_LARGE:
		sizeScal=1.1;
		break;
	case IDC_OBJ_SIZE_SMALL:
		sizeScal=0.9;
		break;
	}
		x1=center.x+(x1-center.x)*sizeScal;
		y1=center.y+(y1-center.y)*sizeScal;
		x2=center.x+(x2-center.x)*sizeScal;
		y2=center.y+(y2-center.y)*sizeScal;
		x3=center.x+(x3-center.x)*sizeScal;
		y3=center.y+(y3-center.y)*sizeScal;
		x4=center.x+(x4-center.x)*sizeScal;
		y4=center.y+(y4-center.y)*sizeScal;

 }


//CSquare类的实现

void CSquare::Draw(CDC* pDC)
{
	//以下设置DC
    POINT triangle[4]={{x1,y1},{x3,y3},{x2,y2},{x4,y4}};
	CPen pen(PS_SOLID, GetBorbarScal(), GetShapeColor()), *oldpen;
	oldpen = pDC->SelectObject(&pen);
	CBrush* oldbrush;
	CBrush  brush(GetShapeColor());

	if( GetIfFill() )	
		oldbrush = (CBrush*)pDC->SelectObject(&brush);
	else
		oldbrush=(CBrush*)pDC->SelectStockObject(NULL_BRUSH);
	//以下移动矩形
     pDC->Polygon(triangle,4);

	//以下恢复DC
	pDC->SelectObject(&oldbrush);
	pDC->SelectObject(oldpen);
	pen.DeleteObject();//释放笔资源
	center.x=0.5*((double)x1+(double)x2);
	center.y=0.5*((double)y1+(double)y2);
}

void CSquare::Delete(CDC* pDC,COLORREF bkColor)
{
	//以下设置DC
	POINT triangle[4]={{x1,y1},{x3,y3},{x2,y2},{x4,y4}};
	
	CPen pen(PS_SOLID, GetBorbarScal(), bkColor), *oldpen;
	oldpen = pDC->SelectObject(&pen);
	CBrush* oldbrush;
	CBrush  brush(bkColor);

	if( GetIfFill() )	
		oldbrush = (CBrush*)pDC->SelectObject(&brush);
	else
		oldbrush=(CBrush*)pDC->SelectStockObject(NULL_BRUSH);
	//以下移动矩形
     pDC->Polygon(triangle,4);

	//以下恢复DC
	pDC->SelectObject(&oldbrush);
	pDC->SelectObject(oldpen);
	pen.DeleteObject();//释放笔资源
}


void CSquare::MoveAt(CDC *pDC, long x, long y)
{
	if( !GetIfFill() )
	{//以下设置DC
	COLORREF XorColor = pDC->GetBkColor()^ GetShapeColor();
	CPen pen(PS_SOLID, GetBorbarScal(), XorColor), *oldpen;
	int oldmode = pDC->GetROP2();
	oldpen = pDC->SelectObject(&pen);
	pDC->SetROP2(R2_XORPEN);
	CBrush* oldbrush;
	//CBrush  brush;
	
		oldbrush = (CBrush*)pDC->SelectStockObject(NULL_BRUSH);
	//以下移动矩形
     pDC->Rectangle(x1,y1,x2,y2);

		long min = min(abs(x - x1), abs(y - y1));
		if( x < x1 )
			x2 = x1 - min;
		else
			x2 = x1 + min;
		if( y < y1 )
			y2 = y1 - min;
		else
			y2 = y1 + min;

     pDC->Rectangle(x1,y1,x2,y2);

	//以下恢复DC
	pDC->SetROP2(oldmode);
	pDC->SelectObject(&oldbrush);
	pDC->SelectObject(oldpen);
	pen.DeleteObject();//释放笔资源
	x3=x1;
	y3=y2;
	x4=x2;
	y4=y1;
	}

     else
	 {//以下设置DC
	COLORREF XorColor = pDC->GetBkColor()^ GetShapeColor();
	CPen pen(PS_SOLID, GetBorbarScal(), XorColor), *oldpen;
	int oldmode = pDC->GetROP2();
	oldpen = pDC->SelectObject(&pen);
	pDC->SetROP2(R2_XORPEN);
	CBrush* oldbrush;
	CBrush  brush(XorColor);

	oldbrush=(CBrush*)pDC->SelectObject(brush);
	//以下移动矩形
     pDC->Rectangle(x1,y1,x2,y2);
		long min = min(abs(x - x1), abs(y - y1));
		if( x < x1 )
			x2 = x1 - min;
		else
			x2 = x1 + min;
		if( y < y1 )
			y2 = y1 - min;
		else
			y2 = y1 + min;

     pDC->Rectangle(x1,y1,x2,y2);

	//以下恢复DC
		pDC->SetROP2(oldmode);
	pDC->SelectObject(&oldbrush);
	pDC->SelectObject(oldpen);
	pen.DeleteObject();//释放笔资源
	x3=x1;
	y3=y2;
	x4=x2;
	y4=y1;
	 }
}

void  CSquare::NewPoint(long x, long y)
{
	 x2=x1 = x;
	 y2=y1 = y;
}

void CSquare::Activation(CDC* pDC,COLORREF typeColor) 
{
    //以下设置DC
	CPen pen(PS_SOLID, GetBorbarScal(), typeColor), *oldpen;
	oldpen = pDC->SelectObject(&pen);
	CBrush* oldbrush;
	CBrush  brush(typeColor);
    oldbrush = (CBrush*)pDC->SelectObject(&brush);
	//以下移动直线
    pDC->Ellipse(x1-2,y1-2,x1+2,y1+2);
    pDC->Ellipse(x2-2,y2-2,x2+2,y2+2);

    pDC->Ellipse(x3-2,y3-2,x3+2,y3+2);
    pDC->Ellipse(x4-2,y4-2,x4+2,y4+2);

	//以下恢复DC

	pDC->SelectObject(&oldbrush);
	pDC->SelectObject(oldpen);
	pen.DeleteObject();//释放笔资源
}

//移动
void CSquare::MoveShape(int direction)
{
	switch(direction)
	{
	case DIR_EAST:
			x1+=MOVE_SPEED;
			x2+=MOVE_SPEED;
			x3+=MOVE_SPEED;
			x4+=MOVE_SPEED;
			center.x+=MOVE_SPEED;
			break;
	case DIR_WEST:
			x1-=MOVE_SPEED;
			x2-=MOVE_SPEED;
			x3-=MOVE_SPEED;
			x4-=MOVE_SPEED;
			center.x-=MOVE_SPEED;
			break;
	case DIR_SOUTH:
			y1+=MOVE_SPEED;
			y2+=MOVE_SPEED;
			y3+=MOVE_SPEED;
			y4+=MOVE_SPEED;
			center.y+=MOVE_SPEED;
			break;
	case DIR_NORTH:
			y1-=MOVE_SPEED;
			y2-=MOVE_SPEED;
			y3-=MOVE_SPEED;
			y4-=MOVE_SPEED;
			center.y-=MOVE_SPEED;
			break;
	}
}

void CSquare::Circumrotate(int cock_drt)
 {
	double angle;
	switch(cock_drt)
	{
	case ID_OBJ_ANTIC:
		angle=ROTATE_ANGLE;
		break;
	case ID_OBJ_DELIC:
        angle=-ROTATE_ANGLE;
		break;
	}
		x1=center.x+(x1-center.x)*cos(angle)-(y1-center.y)*sin(angle);
		y1=center.y+(x1-center.x)*sin(angle)+(y1-center.y)*cos(angle);
		x2=center.x+(x2-center.x)*cos(angle)-(y2-center.y)*sin(angle);
		y2=center.y+(x2-center.x)*sin(angle)+(y2-center.y)*cos(angle);
		x3=center.x+(x3-center.x)*cos(angle)-(y3-center.y)*sin(angle);