src/os2/pen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/os2/pen.cpp
   3 // Purpose:     wxPen
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/10/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #include "wx/pen.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include <stdio.h>
  19     #include "wx/list.h"
  20     #include "wx/utils.h"
  21     #include "wx/app.h"
  22     #include "wx/log.h"
  23 #endif
  24
  25 #include "wx/os2/private.h"
  26 #include "assert.h"
  27
  28 IMPLEMENT_DYNAMIC_CLASS(wxPen, wxGDIObject)
  29
  30 wxPenRefData::wxPenRefData()
  31 {
  32     m_nStyle  = wxSOLID;
  33     m_nWidth  = 1;
  34     m_nJoin   = wxJOIN_ROUND ;
  35     m_nCap    = wxCAP_ROUND ;
  36     m_nbDash  = 0 ;
  37     m_dash    = (wxDash*)NULL;
  38     m_hPen    = 0L;
  39 } // end of wxPenRefData::wxPenRefData
  40
  41 wxPenRefData::wxPenRefData(
  42   const wxPenRefData&               rData
  43 )
  44 {
  45     m_nStyle  = rData.m_nStyle;
  46     m_nWidth  = rData.m_nWidth;
  47     m_nJoin   = rData.m_nJoin;
  48     m_nCap    = rData.m_nCap;
  49     m_nbDash  = rData.m_nbDash;
  50     m_dash    = rData.m_dash;
  51     m_vColour = rData.m_vColour;
  52     m_hPen    = 0L;
  53 } // end of wxPenRefData::wxPenRefData
  54
  55 wxPenRefData::~wxPenRefData()
  56 {
  57 } // end of wxPenRefData::~wxPenRefData
  58
  59 //
  60 // Pens
  61 //
  62 wxPen::wxPen()
  63 {
  64 } // end of wxPen::wxPen
  65
  66 wxPen::~wxPen()
  67 {
  68 } // end of wxPen::wxPen
  69
  70 // Should implement Create
  71 wxPen::wxPen(
  72   const wxColour&                   rColour
  73 , int                               nWidth
  74 , int                               nStyle
  75 )
  76 {
  77     m_refData = new wxPenRefData;
  78
  79     M_PENDATA->m_vColour = rColour;
  80     M_PENDATA->m_nWidth  = nWidth;
  81     M_PENDATA->m_nStyle  = nStyle;
  82     M_PENDATA->m_nJoin   = wxJOIN_ROUND ;
  83     M_PENDATA->m_nCap    = wxCAP_ROUND ;
  84     M_PENDATA->m_hPen    = 0L;
  85
  86     RealizeResource();
  87 } // end of wxPen::wxPen
  88
  89 wxPen::wxPen(
  90   const wxBitmap&                   rStipple
  91 , int                               nWidth
  92 )
  93 {
  94     m_refData = new wxPenRefData;
  95
  96     M_PENDATA->m_vStipple = rStipple;
  97     M_PENDATA->m_nWidth   = nWidth;
  98     M_PENDATA->m_nStyle   = wxSTIPPLE;
  99     M_PENDATA->m_nJoin    = wxJOIN_ROUND ;
 100     M_PENDATA->m_nCap     = wxCAP_ROUND ;
 101     M_PENDATA->m_hPen     = 0;
 102
 103     RealizeResource();
 104 } // end of wxPen::wxPen
 105
 106 int wx2os2PenStyle(
 107   int                               nWxStyle
 108 );
 109
 110 bool wxPen::RealizeResource()
 111 {
 112     BOOL                            bOk;
 113     ERRORID                         vError;
 114     wxString                        sError;
 115
 116     if (M_PENDATA && M_PENDATA->m_hPen == 0L)
 117     {
 118         SIZEL                   vSize = {0, 0};
 119         DEVOPENSTRUC            vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
 120         HDC                     hDC = ::DevOpenDC( vHabmain
 121                                                   ,OD_MEMORY
 122                                                   ,"*"
 123                                                   ,5L
 124                                                   ,(PDEVOPENDATA)&vDop
 125                                                   ,NULLHANDLE
 126                                                  );
 127         M_PENDATA->m_hPen = (WXHPEN)::GpiCreatePS( vHabmain
 128                                                   ,hDC
 129                                                   ,&vSize
 130                                                   ,PU_PELS | GPIT_MICRO | GPIA_ASSOC
 131                                                  );
 132     }
 133     if (M_PENDATA)
 134     {
 135         //
 136         // Set the color table to RGB mode
 137         //
 138         if (!::GpiCreateLogColorTable( (HPS)M_PENDATA->m_hPen
 139                                       ,0L
 140                                       ,LCOLF_RGB
 141                                       ,0L
 142                                       ,0L
 143                                       ,NULL
 144                                      ))
 145         {
 146             vError = ::WinGetLastError(vHabmain);
 147             sError = wxPMErrorToStr(vError);
 148             wxLogError(_T("Unable to set current color table to RGB mode. Error: %s\n"), sError.c_str());
 149             return false;
 150         }
 151         if (M_PENDATA->m_nStyle == wxTRANSPARENT)
 152         {
 153             return true;
 154         }
 155
 156         COLORREF vPmColour = 0L;
 157         USHORT   uLineType = (USHORT)wx2os2PenStyle(M_PENDATA->m_nStyle);
 158
 159         vPmColour = M_PENDATA->m_vColour.GetPixel();
 160
 161         USHORT                      uJoin = 0L;
 162
 163         switch(M_PENDATA->m_nJoin)
 164         {
 165             case wxJOIN_BEVEL:
 166                 uJoin = LINEJOIN_BEVEL;
 167                 break;
 168
 169             case wxJOIN_MITER:
 170                 uJoin = LINEJOIN_MITRE;
 171                 break;
 172
 173             case wxJOIN_ROUND:
 174                 uJoin = LINEJOIN_ROUND;
 175                 break;
 176         }
 177
 178         USHORT                      uCap = 0L;
 179
 180         switch(M_PENDATA->m_nCap)
 181         {
 182             case wxCAP_PROJECTING:
 183                 uCap = LINEEND_SQUARE;
 184                 break;
 185
 186             case wxCAP_BUTT:
 187                 uCap = LINEEND_FLAT;
 188                 break;
 189
 190             case wxCAP_ROUND:
 191                 uCap = LINEEND_ROUND;
 192                 break;
 193         }
 194         m_vLineBundle.lColor     = (LONG)vPmColour;
 195         m_vLineBundle.usMixMode  = FM_OVERPAINT;
 196         if (M_PENDATA->m_nWidth < 1)
 197             M_PENDATA->m_nWidth = 1;
 198         m_vLineBundle.fxWidth    = M_PENDATA->m_nWidth;
 199         m_vLineBundle.lGeomWidth = M_PENDATA->m_nWidth;
 200         m_vLineBundle.usType     = uLineType;
 201         m_vLineBundle.usEnd      = uCap;
 202         m_vLineBundle.usJoin     = uJoin;
 203
 204         bOk = ::GpiSetAttrs( M_PENDATA->m_hPen
 205                             ,PRIM_LINE
 206                             ,LBB_COLOR | LBB_MIX_MODE | LBB_WIDTH | LBB_GEOM_WIDTH | LBB_TYPE | LBB_END | LBB_JOIN
 207                             ,0L
 208                             ,&m_vLineBundle
 209                            );
 210         if (!bOk)
 211         {
 212             vError = ::WinGetLastError(vHabmain);
 213             sError = wxPMErrorToStr(vError);
 214             wxLogError(_T("Can't set Gpi attributes for a LINEBUNDLE. Error: %s\n"), sError.c_str());
 215             return false;
 216         }
 217
 218         ULONG                           flAttrMask = 0L;
 219         ULONG                           flDefMask = 0L;
 220         switch(M_PENDATA->m_nStyle)
 221         {
 222             case wxSTIPPLE:
 223                 ::GpiSetBitmapId( M_PENDATA->m_hPen
 224                                  ,(USHORT)M_PENDATA->m_vStipple.GetHBITMAP()
 225                                  ,(USHORT)M_PENDATA->m_vStipple.GetId()
 226                                 );
 227                 ::GpiSetPatternSet( M_PENDATA->m_hPen
 228                                    ,(USHORT)M_PENDATA->m_vStipple.GetId()
 229                                   );
 230                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SET | ABB_SYMBOL;
 231                 flDefMask = ABB_REF_POINT;
 232                 break;
 233
 234             case wxBDIAGONAL_HATCH:
 235                 m_vAreaBundle.usSymbol = PATSYM_DIAG3;
 236                 m_vAreaBundle.usSet = LCID_DEFAULT;
 237                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 238                 flDefMask = ABB_SET | ABB_REF_POINT;
 239                 break;
 240
 241             case wxCROSSDIAG_HATCH:
 242                 m_vAreaBundle.usSymbol = PATSYM_DIAGHATCH;
 243                 m_vAreaBundle.usSet = LCID_DEFAULT;
 244                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 245                 flDefMask = ABB_SET | ABB_REF_POINT;
 246                 break;
 247
 248             case wxFDIAGONAL_HATCH:
 249                 m_vAreaBundle.usSymbol = PATSYM_DIAG1;
 250                 m_vAreaBundle.usSet = LCID_DEFAULT;
 251                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 252                 flDefMask = ABB_SET | ABB_REF_POINT;
 253                 break;
 254
 255             case wxCROSS_HATCH:
 256                 m_vAreaBundle.usSymbol = PATSYM_HATCH;
 257                 m_vAreaBundle.usSet = LCID_DEFAULT;
 258                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 259                 flDefMask = ABB_SET | ABB_REF_POINT;
 260                 break;
 261
 262             case wxHORIZONTAL_HATCH:
 263                 m_vAreaBundle.usSymbol = PATSYM_HORIZ;
 264                 m_vAreaBundle.usSet = LCID_DEFAULT;
 265                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 266                 flDefMask = ABB_SET | ABB_REF_POINT;
 267                 break;
 268
 269             case wxVERTICAL_HATCH:
 270                 m_vAreaBundle.usSymbol = PATSYM_VERT;
 271                 m_vAreaBundle.usSet = LCID_DEFAULT;
 272                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 273                 flDefMask = ABB_SET | ABB_REF_POINT;
 274                 break;
 275
 276             default:
 277                 m_vAreaBundle.usSymbol = PATSYM_SOLID;
 278                 m_vAreaBundle.usSet = LCID_DEFAULT;
 279                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 280                 flDefMask = ABB_SET | ABB_REF_POINT;
 281                 break;
 282         }
 283
 284         m_vAreaBundle.lColor        = vPmColour;
 285         m_vAreaBundle.lBackColor    = RGB_WHITE;
 286         m_vAreaBundle.usMixMode     = FM_OVERPAINT;
 287         m_vAreaBundle.usBackMixMode = BM_OVERPAINT;
 288
 289         bOk = ::GpiSetAttrs( M_PENDATA->m_hPen
 290                             ,PRIM_AREA
 291                             ,flAttrMask
 292                             ,flDefMask
 293                             ,&m_vAreaBundle
 294                            );
 295         if (!bOk)
 296         {
 297             vError = ::WinGetLastError(vHabmain);
 298             sError = wxPMErrorToStr(vError);
 299             wxLogError(_T("Can't set Gpi attributes for an AREABUNDLE. Error: %s\n"), sError.c_str());
 300         }
 301
 302         return (bool)bOk;
 303     }
 304     return false;
 305 } // end of wxPen::RealizeResource
 306
 307 WXHANDLE wxPen::GetResourceHandle()
 308 {
 309     if (!M_PENDATA)
 310         return 0;
 311     else
 312         return (WXHANDLE)M_PENDATA->m_hPen;
 313 } // end of wxPen::GetResourceHandle
 314
 315 bool wxPen::FreeResource( bool WXUNUSED(bForce) )
 316 {
 317     if (M_PENDATA && (M_PENDATA->m_hPen != 0))
 318     {
 319         M_PENDATA->m_hPen = 0;
 320         return true;
 321     }
 322     else return false;
 323 } // end of wxPen::FreeResource
 324
 325 bool wxPen::IsFree() const
 326 {
 327     return (M_PENDATA && M_PENDATA->m_hPen == 0);
 328 }
 329
 330 void wxPen::Unshare()
 331 {
 332     // Don't change shared data
 333     if (!m_refData)
 334     {
 335         m_refData = new wxPenRefData();
 336     }
 337     else
 338     {
 339         wxPenRefData* ref = new wxPenRefData(*(wxPenRefData*)m_refData);
 340         UnRef();
 341         m_refData = ref;
 342     }
 343 } // end of wxPen::Unshare
 344
 345 void wxPen::SetColour( const wxColour& rColour )
 346 {
 347     Unshare();
 348     M_PENDATA->m_vColour = rColour;
 349     RealizeResource();
 350 } // end of wxPen::SetColour
 351
 352 void wxPen::SetColour( unsigned char cRed, unsigned char cGreen, unsigned char cBlue)
 353 {
 354     Unshare();
 355     M_PENDATA->m_vColour.Set(cRed, cGreen, cBlue);
 356     RealizeResource();
 357 } // end of wxPen::SetColour
 358
 359 void wxPen::SetPS( HPS hPS )
 360 {
 361     Unshare();
 362     if (M_PENDATA->m_hPen)
 363         ::GpiDestroyPS(M_PENDATA->m_hPen);
 364     M_PENDATA->m_hPen = hPS;
 365     RealizeResource();
 366 } // end of WxWinGdi_CPen::SetPS
 367
 368 void wxPen::SetWidth(
 369   int                               nWidth
 370 )
 371 {
 372     Unshare();
 373     M_PENDATA->m_nWidth = nWidth;
 374     RealizeResource();
 375 } // end of wxPen::SetWidth
 376
 377 void wxPen::SetStyle(
 378   int                               nStyle
 379 )
 380 {
 381     Unshare();
 382     M_PENDATA->m_nStyle = nStyle;
 383     RealizeResource();
 384 } // end of wxPen::SetStyle
 385
 386 void wxPen::SetStipple(
 387   const wxBitmap&                   rStipple
 388 )
 389 {
 390     Unshare();
 391     M_PENDATA->m_vStipple = rStipple;
 392     M_PENDATA->m_nStyle = wxSTIPPLE;
 393     RealizeResource();
 394 } // end of wxPen::SetStipple
 395
 396 void wxPen::SetDashes( int WXUNUSED(nNbDashes),
 397                        const wxDash* WXUNUSED(pDash) )
 398 {
 399     //
 400     // Does nothing under OS/2
 401     //
 402 } // end of wxPen::SetDashes
 403
 404 void wxPen::SetJoin(
 405   int                               nJoin
 406 )
 407 {
 408     Unshare();
 409     M_PENDATA->m_nJoin = nJoin;
 410     RealizeResource();
 411 } // end of wxPen::SetJoin
 412
 413 void wxPen::SetCap(
 414   int                               nCap
 415 )
 416 {
 417     Unshare();
 418     M_PENDATA->m_nCap = nCap;
 419     RealizeResource();
 420 } // end of wxPen::SetCap
 421
 422 int wx2os2PenStyle(
 423   int                               nWxStyle
 424 )
 425 {
 426     int                             nPMStyle = 0;
 427
 428     switch (nWxStyle)
 429     {
 430         case wxDOT:
 431             nPMStyle = LINETYPE_DOT;
 432             break;
 433
 434         case wxDOT_DASH:
 435             nPMStyle = LINETYPE_DASHDOT;
 436             break;
 437
 438         case wxSHORT_DASH:
 439             nPMStyle = LINETYPE_SHORTDASH;
 440             break;
 441
 442         case wxLONG_DASH:
 443             nPMStyle = LINETYPE_LONGDASH;
 444             break;
 445
 446         case wxTRANSPARENT:
 447             nPMStyle = LINETYPE_INVISIBLE;
 448             break;
 449
 450         case wxUSER_DASH:
 451             nPMStyle = LINETYPE_DASHDOUBLEDOT; // We must make a choice... This is mine!
 452             break;
 453
 454         case wxSOLID:
 455         default:
 456             nPMStyle = LINETYPE_SOLID;
 457             break;
 458     }
 459     return nPMStyle;
 460 } // end of wx2os2PenStyle