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         m_vLineBundle.fxWidth    = M_PENDATA->m_nWidth;
 197         m_vLineBundle.lGeomWidth = M_PENDATA->m_nWidth;
 198         m_vLineBundle.usType     = uLineType;
 199         m_vLineBundle.usEnd      = uCap;
 200         m_vLineBundle.usJoin     = uJoin;
 201
 202         bOk = ::GpiSetAttrs( M_PENDATA->m_hPen
 203                             ,PRIM_LINE
 204                             ,LBB_COLOR | LBB_MIX_MODE | LBB_WIDTH | LBB_GEOM_WIDTH | LBB_TYPE | LBB_END | LBB_JOIN
 205                             ,0L
 206                             ,&m_vLineBundle
 207                            );
 208         if (!bOk)
 209         {
 210             vError = ::WinGetLastError(vHabmain);
 211             sError = wxPMErrorToStr(vError);
 212             wxLogError(_T("Can't set Gpi attributes for a LINEBUNDLE. Error: %s\n"), sError.c_str());
 213             return false;
 214         }
 215
 216         ULONG                           flAttrMask = 0L;
 217         ULONG                           flDefMask = 0L;
 218         switch(M_PENDATA->m_nStyle)
 219         {
 220             case wxSTIPPLE:
 221                 ::GpiSetBitmapId( M_PENDATA->m_hPen
 222                                  ,(USHORT)M_PENDATA->m_vStipple.GetHBITMAP()
 223                                  ,(USHORT)M_PENDATA->m_vStipple.GetId()
 224                                 );
 225                 ::GpiSetPatternSet( M_PENDATA->m_hPen
 226                                    ,(USHORT)M_PENDATA->m_vStipple.GetId()
 227                                   );
 228                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SET | ABB_SYMBOL;
 229                 flDefMask = ABB_REF_POINT;
 230                 break;
 231
 232             case wxBDIAGONAL_HATCH:
 233                 m_vAreaBundle.usSymbol = PATSYM_DIAG3;
 234                 m_vAreaBundle.usSet = LCID_DEFAULT;
 235                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 236                 flDefMask = ABB_SET | ABB_REF_POINT;
 237                 break;
 238
 239             case wxCROSSDIAG_HATCH:
 240                 m_vAreaBundle.usSymbol = PATSYM_DIAGHATCH;
 241                 m_vAreaBundle.usSet = LCID_DEFAULT;
 242                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 243                 flDefMask = ABB_SET | ABB_REF_POINT;
 244                 break;
 245
 246             case wxFDIAGONAL_HATCH:
 247                 m_vAreaBundle.usSymbol = PATSYM_DIAG1;
 248                 m_vAreaBundle.usSet = LCID_DEFAULT;
 249                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 250                 flDefMask = ABB_SET | ABB_REF_POINT;
 251                 break;
 252
 253             case wxCROSS_HATCH:
 254                 m_vAreaBundle.usSymbol = PATSYM_HATCH;
 255                 m_vAreaBundle.usSet = LCID_DEFAULT;
 256                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 257                 flDefMask = ABB_SET | ABB_REF_POINT;
 258                 break;
 259
 260             case wxHORIZONTAL_HATCH:
 261                 m_vAreaBundle.usSymbol = PATSYM_HORIZ;
 262                 m_vAreaBundle.usSet = LCID_DEFAULT;
 263                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 264                 flDefMask = ABB_SET | ABB_REF_POINT;
 265                 break;
 266
 267             case wxVERTICAL_HATCH:
 268                 m_vAreaBundle.usSymbol = PATSYM_VERT;
 269                 m_vAreaBundle.usSet = LCID_DEFAULT;
 270                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 271                 flDefMask = ABB_SET | ABB_REF_POINT;
 272                 break;
 273
 274             default:
 275                 m_vAreaBundle.usSymbol = PATSYM_SOLID;
 276                 m_vAreaBundle.usSet = LCID_DEFAULT;
 277                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 278                 flDefMask = ABB_SET | ABB_REF_POINT;
 279                 break;
 280         }
 281
 282         m_vAreaBundle.lColor        = vPmColour;
 283         m_vAreaBundle.lBackColor    = RGB_WHITE;
 284         m_vAreaBundle.usMixMode     = FM_OVERPAINT;
 285         m_vAreaBundle.usBackMixMode = BM_OVERPAINT;
 286
 287         bOk = ::GpiSetAttrs( M_PENDATA->m_hPen
 288                             ,PRIM_AREA
 289                             ,flAttrMask
 290                             ,flDefMask
 291                             ,&m_vAreaBundle
 292                            );
 293         if (!bOk)
 294         {
 295             vError = ::WinGetLastError(vHabmain);
 296             sError = wxPMErrorToStr(vError);
 297             wxLogError(_T("Can't set Gpi attributes for an AREABUNDLE. Error: %s\n"), sError.c_str());
 298         }
 299
 300         return (bool)bOk;
 301     }
 302     return false;
 303 } // end of wxPen::RealizeResource
 304
 305 WXHANDLE wxPen::GetResourceHandle()
 306 {
 307     if (!M_PENDATA)
 308         return 0;
 309     else
 310         return (WXHANDLE)M_PENDATA->m_hPen;
 311 } // end of wxPen::GetResourceHandle
 312
 313 bool wxPen::FreeResource( bool WXUNUSED(bForce) )
 314 {
 315     if (M_PENDATA && (M_PENDATA->m_hPen != 0))
 316     {
 317         M_PENDATA->m_hPen = 0;
 318         return true;
 319     }
 320     else return false;
 321 } // end of wxPen::FreeResource
 322
 323 bool wxPen::IsFree() const
 324 {
 325     return (M_PENDATA && M_PENDATA->m_hPen == 0);
 326 }
 327
 328 void wxPen::Unshare()
 329 {
 330     // Don't change shared data
 331     if (!m_refData)
 332     {
 333         m_refData = new wxPenRefData();
 334     }
 335     else
 336     {
 337         wxPenRefData* ref = new wxPenRefData(*(wxPenRefData*)m_refData);
 338         UnRef();
 339         m_refData = ref;
 340     }
 341 } // end of wxPen::Unshare
 342
 343 void wxPen::SetColour( const wxColour& rColour )
 344 {
 345     Unshare();
 346     M_PENDATA->m_vColour = rColour;
 347     RealizeResource();
 348 } // end of wxPen::SetColour
 349
 350 void wxPen::SetColour( unsigned char cRed, unsigned char cGreen, unsigned char cBlue)
 351 {
 352     Unshare();
 353     M_PENDATA->m_vColour.Set(cRed, cGreen, cBlue);
 354     RealizeResource();
 355 } // end of wxPen::SetColour
 356
 357 void wxPen::SetPS( HPS hPS )
 358 {
 359     Unshare();
 360     if (M_PENDATA->m_hPen)
 361         ::GpiDestroyPS(M_PENDATA->m_hPen);
 362     M_PENDATA->m_hPen = hPS;
 363     RealizeResource();
 364 } // end of WxWinGdi_CPen::SetPS
 365
 366 void wxPen::SetWidth(
 367   int                               nWidth
 368 )
 369 {
 370     Unshare();
 371     M_PENDATA->m_nWidth = nWidth;
 372     RealizeResource();
 373 } // end of wxPen::SetWidth
 374
 375 void wxPen::SetStyle(
 376   int                               nStyle
 377 )
 378 {
 379     Unshare();
 380     M_PENDATA->m_nStyle = nStyle;
 381     RealizeResource();
 382 } // end of wxPen::SetStyle
 383
 384 void wxPen::SetStipple(
 385   const wxBitmap&                   rStipple
 386 )
 387 {
 388     Unshare();
 389     M_PENDATA->m_vStipple = rStipple;
 390     M_PENDATA->m_nStyle = wxSTIPPLE;
 391     RealizeResource();
 392 } // end of wxPen::SetStipple
 393
 394 void wxPen::SetDashes( int WXUNUSED(nNbDashes),
 395                        const wxDash* WXUNUSED(pDash) )
 396 {
 397     //
 398     // Does nothing under OS/2
 399     //
 400 } // end of wxPen::SetDashes
 401
 402 void wxPen::SetJoin(
 403   int                               nJoin
 404 )
 405 {
 406     Unshare();
 407     M_PENDATA->m_nJoin = nJoin;
 408     RealizeResource();
 409 } // end of wxPen::SetJoin
 410
 411 void wxPen::SetCap(
 412   int                               nCap
 413 )
 414 {
 415     Unshare();
 416     M_PENDATA->m_nCap = nCap;
 417     RealizeResource();
 418 } // end of wxPen::SetCap
 419
 420 int wx2os2PenStyle(
 421   int                               nWxStyle
 422 )
 423 {
 424     int                             nPMStyle = 0;
 425
 426     switch (nWxStyle)
 427     {
 428         case wxDOT:
 429             nPMStyle = LINETYPE_DOT;
 430             break;
 431
 432         case wxDOT_DASH:
 433             nPMStyle = LINETYPE_DASHDOT;
 434             break;
 435
 436         case wxSHORT_DASH:
 437             nPMStyle = LINETYPE_SHORTDASH;
 438             break;
 439
 440         case wxLONG_DASH:
 441             nPMStyle = LINETYPE_LONGDASH;
 442             break;
 443
 444         case wxTRANSPARENT:
 445             nPMStyle = LINETYPE_INVISIBLE;
 446             break;
 447
 448         case wxUSER_DASH:
 449             nPMStyle = LINETYPE_DASHDOUBLEDOT; // We must make a choice... This is mine!
 450             break;
 451
 452         case wxSOLID:
 453         default:
 454             nPMStyle = LINETYPE_SOLID;
 455             break;
 456     }
 457     return nPMStyle;
 458 } // end of wx2os2PenStyle