277 lines
7.7 KiB
C++
277 lines
7.7 KiB
C++
#include "stdafx.h"
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#include "WJYLDlg.h"
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#include "dbobjptr.h"
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#include "EarThwormDef.h"
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extern HINSTANCE _hdllInstance;
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IMPLEMENT_DYNAMIC(CWJYLDlg, CDialog)
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CWJYLDlg::CWJYLDlg(CWnd* pParent /*=NULL*/)
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: CDialog(CWJYLDlg::IDD, pParent)
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{
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}
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CWJYLDlg::~CWJYLDlg()
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{
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::DeleteFile(m_sDwgFile);
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}
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void CWJYLDlg::DoDataExchange(CDataExchange* pDX)
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{
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CDialog::DoDataExchange(pDX);
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}
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BEGIN_MESSAGE_MAP(CWJYLDlg, CDialog)
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ON_WM_SIZING()
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END_MESSAGE_MAP()
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BOOL CWJYLDlg::OnInitDialog()
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{
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CDialog::OnInitDialog();
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CRect rc;
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GetClientRect(&rc);
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CRect rcDlg;
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GetWindowRect(rc);
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m_szDlg.cx = rcDlg.Width();
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m_szDlg.cy = rcDlg.Height();
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//DWORD dwStyle = WS_CHILD | WS_VISIBLE;
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//m_wndPreview.Create(_T("PreView"),dwStyle,rc,this,IDC_STATIC_FR);
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// 子类化控件对象
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if (!m_wndPreview.SubclassDlgItem(IDC_STATIC_FR, this))
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{
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return FALSE;
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}
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m_wndPreview.mZooming = true;
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m_wndPreview.mbOrbiting = false;
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CFont* pFont = GetFont();
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if (pFont != NULL)
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{
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m_wndPreview.SetFont(pFont);
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}
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CFileFind find;
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if (find.FindFile(m_sDwgFile))
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{
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CString sFileName;
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int nPos = m_sDwgFile.ReverseFind(_T('\\'));
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if (nPos != -1)
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{
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sFileName = m_sDwgFile.Mid(nPos + 1);
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}
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AcDbDatabase *pDb = new AcDbDatabase(false);
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Acad::ErrorStatus es = pDb->readDwgFile(m_sDwgFile);
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if (es != Acad::eOk)
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{
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AfxMessageBox(CString(_T("读取文件失败 \"")) + m_sDwgFile + _T("\""));
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DELETE_PTR(pDb);
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return FALSE;
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}
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InitDrawingControl(pDb,ACDB_MODEL_SPACE,false);
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#ifndef ZWCAD
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#if ARX <= 19
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m_wndPreview.mpView->setMode(AcGsView::kGouraudShaded);
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#else
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AcGiVisualStyle style;
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style.setType(AcGiVisualStyle::kGouraudWithEdges);
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m_wndPreview.mpView->setVisualStyle(style);
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#endif
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#else
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#if defined(R24)
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m_wndPreview.mpView->setMode(AcGsView::kGouraudShaded);
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#else
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AcGiVisualStyle style;
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style.setType(AcGiVisualStyle::kGouraudWithEdges);
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#endif
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#endif
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}
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return TRUE;
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}
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Acad::ErrorStatus CWJYLDlg::InitDrawingControl (AcDbDatabase *pDb, const TCHAR *space,bool b3D/* = true*/)
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{
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// have we got a valid drawing
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if (pDb == NULL)
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{
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pDb = acdbCurDwg();
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}
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AcDbBlockTableRecordPointer spaceRec(space, pDb, AcDb::kForRead);
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// if ok
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if (spaceRec.openStatus() == Acad::eOk)
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{
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// initialize the preview control
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m_wndPreview.init(_hdllInstance,true);
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// set the view to the *Active* AutoCAD view
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AcGeMatrix3d xform;
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SetViewTo(m_wndPreview.mpView, pDb, xform,b3D);
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// tell the view to display this space
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//不显示当前模型空间记录的现有实体?
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m_wndPreview.view()->add(spaceRec.object(), m_wndPreview.model());
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m_wndPreview.OnZoomExtents(pDb);
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}
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return spaceRec.openStatus();
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}
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bool CWJYLDlg::GetActiveViewPortInfo (AcDbDatabase *pDb, ads_real &height, ads_real &width, AcGePoint3d &target, AcGeVector3d &viewDir, ads_real &viewTwist, bool getViewCenter)
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{
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// if not ok
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if (pDb == NULL)
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return false;
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// get the current working database as a backup
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AcDbDatabase *workingDataBase = acdbHostApplicationServices()->workingDatabase();
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//将导致渲染错误，文件保存，核查错误提示 LFY 2019-6-3
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// now set the working database
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// acdbHostApplicationServices()->setWorkingDatabase(pDb);
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// make sure the active view port is uptodate
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acedVports2VportTableRecords();
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// open the view port records
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AcDbViewportTable *pVTable = NULL;
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Acad::ErrorStatus es = pDb->getViewportTable (pVTable, AcDb::kForRead);
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// if we opened them ok
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if (es == Acad::eOk)
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{
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AcDbViewportTableRecord *pViewPortRec = NULL;
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es = pVTable->getAt (_T("*Active"), pViewPortRec, AcDb::kForRead);
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if (es == Acad::eOk)
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{
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// get the height of the view
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height = pViewPortRec->height ();
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// get the width
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width = pViewPortRec->width ();
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// if the user wants the center of the viewport used
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if (getViewCenter == true)
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{
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struct resbuf rb;
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memset (&rb, 0, sizeof (struct resbuf));
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// get the system var VIEWCTR
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acedGetVar (_T("VIEWCTR"), &rb);
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// set that as the target
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target = AcGePoint3d (rb.resval.rpoint[X], rb.resval.rpoint[Y], rb.resval.rpoint[Z]);
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}
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// we want the viewports camera target setting
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else
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{
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// get the target of the view
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target = pViewPortRec->target ();
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}
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// get the view direction
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viewDir = pViewPortRec->viewDirection ();
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// get the view twist of the viewport
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viewTwist = pViewPortRec->viewTwist ();
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}
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// close after use
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pVTable->close ();
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pViewPortRec->close();
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}
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// now restore the original working database
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//将导致渲染错误，文件保存，核查错误提示 LFY 2019-6-3
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//acdbHostApplicationServices()->setWorkingDatabase(workingDataBase);
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return (true);
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}
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void CWJYLDlg::SetViewTo(AcGsView *pView, AcDbDatabase *pDb, AcGeMatrix3d& viewMat,bool b3D)
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{
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// we are going to set the view to the current view of the drawing
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// The overall approach is to calculate the extents of the database in the coordinate system of the view
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// Calculate the extents in WCS
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// if exmax,exmin too larg or small , view show error!!!!
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AcGePoint3d extMax(500,500,500);// = pDb->extmax();
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AcGePoint3d extMin(-500,-500,-500);// = pDb->extmin();
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// get the view port information - see parameter list
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ads_real height = 0.0, width = 0.0, viewTwist = 0.0;
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AcGePoint3d targetView;
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AcGeVector3d viewDir;
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GetActiveViewPortInfo (pDb,height, width, targetView, viewDir, viewTwist, true);
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// we are only interested in the directions of the view, not the sizes, so we normalise.
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// set to -1,-1,1
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if (b3D)
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{
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viewDir.set(-1,-1,1);
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}
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viewDir = viewDir.normal();
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//**********************************************
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// Our view coordinate space consists of z direction
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// get a perp vector off the z direction
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// Make sure its normalised
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AcGeVector3d viewXDir = viewDir.perpVector ().normal();
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// correct the x angle by applying the twist
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viewXDir = viewXDir.rotateBy (viewTwist, -viewDir);
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// now we can work out y, this is of course perp to the x and z directions. No need to normalise this,
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// as we know that x and z are of unit length, and perpendicular, so their cross product must be on unit length
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AcGeVector3d viewYDir = viewDir.crossProduct (viewXDir);
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// find a nice point around which to transform the view. We'll use the same point as the center of the view.
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AcGePoint3d boxCenter = extMin + 0.5 * ( extMax - extMin );
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//**********************************************
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// create a transform from WCS to View space
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// this represents the transformation from WCS to the view space. (Actually not quite since
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// we are keeping the fixed point as the center of the box for convenience )
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viewMat = AcGeMatrix3d::alignCoordSys (boxCenter, AcGeVector3d::kXAxis, AcGeVector3d::kYAxis, AcGeVector3d::kZAxis,
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boxCenter, viewXDir, viewYDir, viewDir).inverse();
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AcDbExtents wcsExtents(extMin, extMax);
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// now we have the view Extents
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AcDbExtents viewExtents = wcsExtents;
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// transforms the extents in WCS->view space
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viewExtents.transformBy (viewMat);
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//**********************************************
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// get the extents of the AutoCAD view
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double xMax = fabs(viewExtents.maxPoint ().x - viewExtents.minPoint ().x);
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double yMax = fabs(viewExtents.maxPoint ().y - viewExtents.minPoint ().y);
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//**********************************************
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// setup the view
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AcGePoint3d eye = boxCenter + viewDir;
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// upvector
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pView->setView(eye, boxCenter, viewYDir, xMax, yMax);
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// update the gsView
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if (pView != NULL)
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{
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pView->invalidate();
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pView->update();
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}
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}
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void CWJYLDlg::OnSizing(UINT fwSide, LPRECT pRect)
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{
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int nWidth = pRect->right - pRect->left;
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int nHeight= pRect->bottom- pRect->top;
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if(nWidth > m_szDlg.cx)
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{
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pRect->right = pRect->left + m_szDlg.cx;
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}
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if(nHeight > m_szDlg.cy)
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{
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pRect->bottom = pRect->top + m_szDlg.cy;
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}
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CDialog::OnSizing(fwSide, pRect);
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}
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