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118 lines
2.6 KiB
118 lines
2.6 KiB
#include "stdafx.h"
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#include "SPathView.h"
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namespace SOUI
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{
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SPathView::SPathView(void)
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:m_nLineWidth(2)
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,m_nLineStyle(PS_DASH)
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,m_nFrameSize(9)
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,m_crLine(RGBA(255,0,0,255))
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,m_fCornerRadius(5.0f)
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{
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GetEventSet()->addEvent(EVENTID(EventPath));
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GETRENDERFACTORY->CreatePath(&m_path);
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GETRENDERFACTORY->CreatePathMeasure(&m_pathMeasure);
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}
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SPathView::~SPathView(void)
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{
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}
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void SPathView::AddPoint(const POINT *pts,int nPts)
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{
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if(!m_path) return;
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for(int i=0;i<nPts;i++)
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{
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m_lstPoints.Add(pts[i]);
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}
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m_path->reset();
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m_path->addPoly(m_lstPoints.GetData(),m_lstPoints.GetCount(),false);
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OnPathChanged();
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}
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void SPathView::OnLButtonDown(UINT nFlags,CPoint pt)
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{
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if(!m_path || !m_pathMeasure)
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return;
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CRect rc = GetClientRect();
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pt -= rc.TopLeft();
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m_lstPoints.Add(pt);
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m_path->reset();
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m_path->addPoly(m_lstPoints.GetData(),m_lstPoints.GetCount(),false);
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OnPathChanged();
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}
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void SPathView::OnRButtonDown(UINT nFlags, CPoint point)
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{
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if(!m_path || !m_pathMeasure)
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return;
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CRect rc=GetClientRect();
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point-=rc.TopLeft();
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for(int i=0;i<m_lstPoints.GetCount();i++)
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{
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POINT pt = m_lstPoints[i];
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CRect rcFrame(pt,CSize(m_nFrameSize,m_nFrameSize));
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rcFrame.OffsetRect(-(m_nFrameSize-1)/2,-(m_nFrameSize-1)/2);
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if(rcFrame.PtInRect(point))
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{
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m_lstPoints.RemoveAt(i);
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m_path->reset();
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m_path->addPoly(m_lstPoints.GetData(),m_lstPoints.GetCount(),false);
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OnPathChanged();
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break;
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}
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}
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}
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void SPathView::OnPaint(IRenderTarget *pRT)
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{
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if(!m_path || !m_pathMeasure)
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{
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__super::OnPaint(pRT);
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return;
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}
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int count = m_lstPoints.GetCount();
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CRect rc=GetClientRect();
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if(count>1)
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{
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SAutoRefPtr<ICornerPathEffect> pathEffect;
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GETRENDERFACTORY->CreatePathEffect(__uuidof(ICornerPathEffect),(IPathEffect**)&pathEffect);
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pathEffect->Init(m_fCornerRadius);
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SAutoRefPtr<IPen> pen,oldPen;
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pRT->CreatePen(m_nLineStyle,m_crLine,m_nLineWidth,&pen);
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pRT->SelectObject(pen,(IRenderObj**)&oldPen);
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m_path->offset(rc.left,rc.top);
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pRT->DrawPath(m_path,pathEffect);
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m_path->offset(-rc.left,-rc.top);
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pRT->SelectObject(oldPen);
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}
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for(int i=0;i<count;i++)
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{
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POINT pt = m_lstPoints[i];
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CRect rcFrame(pt,CSize(m_nFrameSize,m_nFrameSize));
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rcFrame.OffsetRect(-(m_nFrameSize-1)/2,-(m_nFrameSize-1)/2);
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rcFrame.OffsetRect(rc.TopLeft());
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pRT->DrawRectangle(&rcFrame);
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}
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}
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void SPathView::OnPathChanged()
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{
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EventPath evt(this);
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m_pathMeasure->setPath(m_path,false);
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evt.fLength = m_pathMeasure->getLength();
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FireEvent(evt);
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Invalidate();
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}
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}
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