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117 lines
3.5 KiB
C++
117 lines
3.5 KiB
C++
1 month ago
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#include "StdAfx.h"
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#include "SplineEditorRenderer.h"
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#include "SigmaDoc.h"
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SplineEditorRenderer::SplineEditorRenderer(CSigmaDoc* pDoc, HandleDrawer* pHandleDrawer)
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: m_pDoc(pDoc)
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, m_pHandleDrawer(pHandleDrawer)
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{
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}
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void SplineEditorRenderer::DrawHandlesByCDC(CDC* pDC, CCurveEx* pCurve) const
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{
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if (pCurve == nullptr || m_pHandleDrawer == nullptr)
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return;
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m_pHandleDrawer->ClearAll(pDC);
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m_pHandleDrawer->Init(pCurve);
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m_pHandleDrawer->DrawAll(pDC);
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}
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void SplineEditorRenderer::DrawHandle(CXyDC* pDC, CDC* pScreenDC, CCurveEx* pCurve, int currentHandleIndex) const
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{
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if (pCurve == nullptr || m_pDoc == nullptr || pScreenDC == nullptr)
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return;
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CPoint ptPrev;
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CRect rt;
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dfPoint pt;
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CPoint point;
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for (int i = 0; i < pCurve->num; i++)
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{
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pCurve->GetPoint(i, pt);
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point.x = pDC->GetSX(pt.x0);
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point.y = pDC->GetSY(pt.y0);
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if (i > 0)
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{
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if (point.x == ptPrev.x && point.y == ptPrev.y && i != currentHandleIndex)
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continue;
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}
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if (i == currentHandleIndex)
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{
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if (i == 0)
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rt = GetFirstNodeHandleRectFocus(point);
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else
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rt = m_pDoc->m_itemTracker.GetHandleRectFocus(point);
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}
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else
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{
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if (i == 0)
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rt = m_pDoc->m_itemTracker.GetHandleRectFocus(point);
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else
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rt = m_pDoc->m_itemTracker.GetHandleRect(point);
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}
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m_pDoc->m_itemTracker.DrawHandle(pScreenDC, rt, TRACKER_CIRCLE);
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ptPrev = point;
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}
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}
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void SplineEditorRenderer::DrawSelectHandle(CDC* pScreenDC, CXyDC* pXyDC, CCurveEx* pCurve, int nHandle, DWORD handleDrawMode) const
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{
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if (pCurve == nullptr || m_pDoc == nullptr || pScreenDC == nullptr || pXyDC == nullptr)
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return;
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if (nHandle < 0 || nHandle >= pCurve->num)
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return;
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CPoint point;
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point.x = pXyDC->GetSX(pCurve->x[nHandle]);
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point.y = pXyDC->GetSY(pCurve->y[nHandle]);
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CRect rt = (nHandle == 0) ? GetFirstNodeHandleRectFocus(point) : m_pDoc->m_itemTracker.GetHandleRectFocus(point);
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m_pDoc->m_itemTracker.DrawHandle(pScreenDC, rt, handleDrawMode);
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}
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void SplineEditorRenderer::DrawDragPreview(CDC* pScreenDC, CXyDC* pXyDC, const CPointList& newPointList) const
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{
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if (newPointList.IsEmpty() || pScreenDC == nullptr || pXyDC == nullptr)
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return;
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CPen pen(PS_SOLID, 0, DRAG_LINE_COLOR);
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CPen* pOldPen = pScreenDC->SelectObject(&pen);
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int oldRop2 = pScreenDC->SetROP2(R2_NOTXORPEN);
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dfPoint dp1 = newPointList.GetHead();
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dfPoint dp2;
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POSITION pos = newPointList.GetHeadPosition();
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if (pos)
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newPointList.GetNext(pos);
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while (pos)
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{
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dp2 = newPointList.GetNext(pos);
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CPoint ptS1 = pXyDC->GetScreen(dp1);
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pScreenDC->MoveTo(ptS1);
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CPoint ptS2 = pXyDC->GetScreen(dp2);
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pScreenDC->LineTo(ptS2);
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dp1 = dp2;
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}
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pScreenDC->SetROP2(oldRop2);
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pScreenDC->SelectObject(pOldPen);
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}
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CRect SplineEditorRenderer::GetRangeWidthIndex(CCurveEx* pCurve, int nIndex, CXyDC* pDC, CSize handleSize) const
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{
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if (pCurve == nullptr || pDC == nullptr || nIndex < 0 || nIndex >= pCurve->num)
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return CRect(0, 0, 0, 0);
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CRect8 rt(pCurve->x[nIndex], pCurve->y[nIndex], pCurve->x[nIndex], pCurve->y[nIndex]);
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if (nIndex > 0)
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rt.CombinRect(pCurve->x[nIndex - 1], pCurve->y[nIndex - 1], pCurve->x[nIndex - 1], pCurve->y[nIndex - 1]);
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if (nIndex < pCurve->num - 1)
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rt.CombinRect(pCurve->x[nIndex + 1], pCurve->y[nIndex + 1], pCurve->x[nIndex + 1], pCurve->y[nIndex + 1]);
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CRect rect = pDC->GetScreen(rt);
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rect.InflateRect(handleSize);
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return rect;
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}
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CRect SplineEditorRenderer::GetFirstNodeHandleRectFocus(CPoint point) const
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{
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if (m_pDoc == nullptr)
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return CRect(0, 0, 0, 0);
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CRect rt = m_pDoc->m_itemTracker.GetHandleRectFocus(point);
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rt.InflateRect(1, 1);
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return rt;
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}
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