void CGOView::OnMouseMove(UINT nFlags, CPoint point)
{
// TODO: 在此添加消息处理程序代码和/或调用默认值
SetCursor(m_Cursor);//设置使用光标资源
pointCurrent=point;
CDC* cdc = this->GetDC();
if ((m_LButtonDown && m_DrawType == 1))
{
int radius = (int)sqrt(1.0*(pointEnd.x - pointStart.x)*( pointEnd.x - pointStart.x) + (pointEnd.y - pointStart.y)*( pointEnd.y - pointStart.y));
midPointCircle(cdc,(int) pointStart.x,(int) pointStart.y, radius, RGB(255, 255, 255));
radius = (int)sqrt(1.0*(pointCurrent.x - pointStart.x)*( pointCurrent.x - pointStart.x) + (pointCurrent.y - pointStart.y)*( pointCurrent.y - pointStart.y));
midPointCircle(cdc,(int) pointStart.x,(int) pointStart.y, radius, RGB(255, 0, 0));
pointEnd = pointCurrent;
}
if ((m_LButtonDown && m_DrawType==2))
{
bresenhamEllipse(cdc, (int)pointStart.x, (int)pointStart.y, (int)abs(pointEnd.x - pointStart.y), (int)abs(pointEnd.y - pointStart.y), RGB(255, 255, 255));
bresenhamEllipse(cdc, (int)pointStart.x, (int)pointStart.y, (int)abs(pointCurrent.x - pointStart.y), (int)abs(pointCurrent.y - pointStart.y), RGB(0, 255, 0));
pointEnd = pointCurrent;
}
CView::OnMouseMove(nFlags, point);
}
int main()
{
int gd=DETECT, gm;
int r, theta;
printf("Radio: ");
scanf("%d",&r);
printf("Theta: ");
scanf("%d",&theta);
initgraph(&gd, &gm, NULL);
midPointCircle(r, theta);
getch();
closegraph();
return 0;
}
int main()
{
int gd=DETECT, gm;
int radius, angle;
printf("Entre el radio del arco: ");
scanf("%d",&radius);
printf("Entre el ángulo del arco: ");
scanf("%d",&angle);
initgraph(&gd, &gm, NULL);
midPointCircle(radius, angle);
getch();
closegraph();
return 0;
}
int main()
{
int gd=DETECT, gm;
int radius;
int puntos[10000];
int count=0;
printf("Entre el radio de la circunferencia: ");
scanf("%d",&radius);
initgraph(&gd, &gm, NULL);
count = midPointCircle(radius, puntos);
generaArchivo(puntos, count);
getch();
closegraph();
return 0;
}
void CGOView::OnLButtonUp(UINT nFlags, CPoint point)
{
// TODO: 在此添加消息处理程序代码和/或调用默认值
SetCursor(m_Cursor);//设置使用光标资源
ReleaseCapture();//释放鼠标
CDC* cdc = this->GetDC();
pointEnd = point;
if ((m_DrawType == 1))
{
int radius = (int)sqrt(1.0*(pointEnd.x - pointStart.x)*( pointEnd.x - pointStart.x) + (pointEnd.y - pointStart.y)*( pointEnd.y - pointStart.y));
midPointCircle(cdc,(int) pointStart.x,(int) pointStart.y, radius, RGB(255, 0, 0));
}
else if((m_DrawType==2))
{
bresenhamEllipse(cdc, (int)pointStart.x, (int)pointStart.y, (int)abs(pointEnd.x - pointStart.y), (int)abs(pointEnd.y - pointStart.y), RGB(0, 255, 0));
}
else
{
}
m_LButtonDown = false;//设置鼠标左键按下
CView::OnLButtonUp(nFlags, point);
}
