textrms.mc

microstation MDL入门指导手册!

/*--------------------------------------------------------------------------+
|  Copyright (C) 199l，Mach N. Dinh-Vu，All Rights Reserved.                |
|  Program    : textrms.mc                                                  |
|  Revision   : 1.0.a                                                       |
|  UpgradeToV8: MicroStationFan    2006/05                                  |
+---------------------------------------------------------------------------+
|  This program will rotate，scale and move the identified                  |
|  text or text node by the active angle and active scale.                  |
+--------------------------------------------------------------------------*/
/*--------------------------------------------------------------------------+
|  Include Files                                                           |
+--------------------------------------------------------------------------*/
#include <mdl.h>    /* system include files */
#include <msrmgr.h>
#include <tcb.h>
#include <mscurrtr.fdf>
#include <mselemen.fdf>
#include <mslocate.fdf>
#include <mstmatrx.fdf>
#include <msmisc.fdf>
#include <msoutput.fdf>
#include <msparse.fdf>
#include <msstate.fdf>
#include <msvec.fdf>
#include "textrms.h"

/*--------------------------------------------------------------------------+
|  Private Global，variables                                                |
+--------------------------------------------------------------------------*/
int          currFile;
ULong        filepos;
Transform    tMatrix;
void         rotMove_start (void);

/*--------------------------------------------------------------------------+
|  name    main                                                             |
+--------------------------------------------------------------------------*/
Private void main (void)
{
   RscFileHandle  rfHandle;

   /* load our command tabla */
   if (mdlParse_loadCommandTable (NULL) == NULL)
      mdlOutput_error ("Unable to load command table.");
   mdlResource_openFile (&rfHandle, NULL, FALSE);
   mdlOutput_prompt ("Key-in TEXT RMS to execute");
}
/*--------------------------------------------------------------------------+
|   name   getMoveDistance                                                  |
+--------------------------------------------------------------------------*/
Private void   getMoveDistance
(
Dpoint3d    *distance,           /* <= distance from anchor */
Dpoint3d    *pt                  /* => current point */
)
{
   Dpoint3d   anchor = statedata.dPointStack[0];

   /* subtract anchor point from current point to get the distance */
   mdlVec_subtractPoint (distance, pt, &anchor);
}
/*--------------------------------------------------------------------------+
|   name      transformElement                                              |
+--------------------------------------------------------------------------*/
Private void    transformElement
(
Dpoint3d    *pt          /* => current location of cursor */
)
{
   DPoint3d  distance;
   
   getMoveDistance (&distance, pt);
   mdlCurrTrans_begin ();
   mdlCurrTrans_identity ();
   mdlCurrTrans_translateOrigin (pt);

   mdlTMatrix_getIdentity (&tMatrix);
   mdlTMatrix_scale (&tMatrix, &tMatrix, tcb->xactscle,
                     tcb->yactscle, tcb->zactscle);
   mdlTMatrix_rotateByAngles (&tMatrix, &tMatrix, 0.0, 0.0,
                              tcb->actangle*fc_piover180);
   mdlTMatrix_translate (&tMatrix, &tMatrix, distance.x,
                         distance.y, distance.z);
   mdlElement_transform (dgnBuf, dgnBuf, &tMatrix);
   mdlCurrTrans_end ();
}
/*--------------------------------------------------------------------------+
|   name  elementModify_move                                                |
+--------------------------------------------------------------------------*/
Private int    elementModify_move
(
MSElementUnion  *el,      /* <> element to be modified */
Dpoint3d        *pt       /* => fram params in mdlModify_element... */
)
{
   Dpoint3d    distance;

   getMoveDistance (&distance, pt);
   mdlCurrTrans_begin ();
   mdlCurrTrans_identity ();
   mdlCurrTrans_translateOrigin (pt);
   /* start from a known matrix */
   mdlTMatrix_getIdentity (&tMatrix);

   /* scale it by current active scale */
   mdlTMatrix_scale(&tMatrix, &tMatrix, tcb->xactscle,
                    tcb->yactscle, tcb->xactscle);

   /* rotate it by current active angle */
   mdlTMatrix_rotateByAngles(&tMatrix, &tMatrix, 0.0, 0.0,
                             tcb->actangle*fc_piover180);
   mdlTMatrix_translate (&tMatrix, &tMatrix, distance.x,
                         distance.y, distance.z);

   if (mdlElement_transform (el, el, &tMatrix))
      return  MODIFY_STATUS_ERROR;
   mdlCurrTrans_end ();
   return  MODIFY_STATUS_REPLACE;
 }
/*--------------------------------------------------------------------------+
|   name   rotMove_accept                                                   |
+--------------------------------------------------------------------------*/
Private void    rotMove_accept
(
Dpoint3d    *pt       /* => final point for move element */
)
{
   DgnModelRefP   modelRef;
   ULong          filePos;
   
   /* Get the file position and modelRef of the element to move. */
   filePos = mdlElement_getFilePos (FILEPOS_CURRENT, &modelRef);
   /* Now move each element, no selection set */
   mdlModify_elementSingle (modelRef, filePos, MODIFY_REQUEST_HEADERS,
                            MODIFY_ORIG, elementModify_move, pt, NULL);
   /* Save new anchor point (the current acceptance point) */
   statedata.dPointStack[0] = *pt;
   /* Reload the dynamic buffer with the new element. */
   mdlDynamic_loadElement (NULL, modelRef, filePos);
   /* a RESET will restart this command */
   mdlState_setFunction (STATE_RESET, rotMove_start);
   /* if in singleshot mode then restart default command */
   mdlState_checkSingleShot ();
}
/*--------------------------------------------------------------------------+
|   name     rotMove_start                                                 |
+--------------------------------------------------------------------------*/
cmdName  void  rotMove_start (void)
cmdNumber   CMD_TEXT_RMS
{
    static int searchType[] = {
                              TEXT_ELM,
                              TEXT_NODE_ELM
                              };
    mdlLocate_noElemNoLocked ();
    mdlLocate_setElemSearchMask (sizeof(searchType)/sizeof(int), searchType);
    mdlState_startModifyCommand (rotMove_start, rotMove_accept,
                                 transformElement, NULL, NULL, 1, 0, TRUE, 0);
    mdlLocate_init ();
}