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 #ifndef WX_PRECOMP
  16 #include <stdio.h>
  17 #include "wx/setup.h"
  18 #include "wx/list.h"
  19 #include "wx/utils.h"
  20 #include "wx/app.h"
  21 #include "wx/pen.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_hPen    = 0L;
  37 } // end of wxPenRefData::wxPenRefData
  38
  39 wxPenRefData::wxPenRefData(
  40   const wxPenRefData&               rData
  41 )
  42 {
  43     m_nStyle  = rData.m_nStyle;
  44     m_nWidth  = rData.m_nWidth;
  45     m_nJoin   = rData.m_nJoin;
  46     m_nCap    = rData.m_nCap;
  47     m_vColour = rData.m_vColour;
  48     m_hPen    = 0L;
  49 } // end of wxPenRefData::wxPenRefData
  50
  51 wxPenRefData::~wxPenRefData()
  52 {
  53 } // end of wxPenRefData::~wxPenRefData
  54
  55 //
  56 // Pens
  57 //
  58 wxPen::wxPen()
  59 {
  60     if ( wxThePenList )
  61         wxThePenList->AddPen(this);
  62 } // end of wxPen::wxPen
  63
  64 wxPen::~wxPen()
  65 {
  66     if (wxThePenList)
  67         wxThePenList->RemovePen(this);
  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
  88     if ( wxThePenList )
  89         wxThePenList->AddPen(this);
  90 } // end of wxPen::wxPen
  91
  92 wxPen::wxPen(
  93   const wxBitmap&                   rStipple
  94 , int                               nWidth
  95 )
  96 {
  97     m_refData = new wxPenRefData;
  98
  99     M_PENDATA->m_vStipple = rStipple;
 100     M_PENDATA->m_nWidth   = nWidth;
 101     M_PENDATA->m_nStyle   = wxSTIPPLE;
 102     M_PENDATA->m_nJoin    = wxJOIN_ROUND ;
 103     M_PENDATA->m_nCap     = wxCAP_ROUND ;
 104     M_PENDATA->m_hPen     = 0;
 105
 106     RealizeResource();
 107
 108     if ( wxThePenList )
 109         wxThePenList->AddPen(this);
 110 } // end of wxPen::wxPen
 111
 112 int wx2os2PenStyle(
 113   int                               nWxStyle
 114 );
 115
 116 bool wxPen::RealizeResource()
 117 {
 118     BOOL                            bOk;
 119     ERRORID                         vError;
 120     wxString                        sError;
 121
 122     if (M_PENDATA && M_PENDATA->m_hPen == 0L)
 123     {
 124         SIZEL                   vSize = {0, 0};
 125         DEVOPENSTRUC            vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
 126         HDC                     hDC = ::DevOpenDC( vHabmain
 127                                                   ,OD_MEMORY
 128                                                   ,"*"
 129                                                   ,5L
 130                                                   ,(PDEVOPENDATA)&vDop
 131                                                   ,NULLHANDLE
 132                                                  );
 133         M_PENDATA->m_hPen = (WXHPEN)::GpiCreatePS( vHabmain
 134                                                   ,hDC
 135                                                   ,&vSize
 136                                                   ,PU_PELS | GPIT_MICRO | GPIA_ASSOC
 137                                                  );
 138     }
 139     if (M_PENDATA)
 140     {
 141         //
 142         // Set the color table to RGB mode
 143         //
 144         if (!::GpiCreateLogColorTable( (HPS)M_PENDATA->m_hPen
 145                                       ,0L
 146                                       ,LCOLF_RGB
 147                                       ,0L
 148                                       ,0L
 149                                       ,NULL
 150                                      ))
 151         {
 152             vError = ::WinGetLastError(vHabmain);
 153             sError = wxPMErrorToStr(vError);
 154             wxLogError(_T("Unable to set current color table to RGB mode. Error: %s\n"), sError.c_str());
 155             return false;
 156         }
 157         if (M_PENDATA->m_nStyle == wxTRANSPARENT)
 158         {
 159             return true;
 160         }
 161
 162         COLORREF vPmColour = 0L;
 163         USHORT   uLineType = (USHORT)wx2os2PenStyle(M_PENDATA->m_nStyle);
 164
 165         vPmColour = M_PENDATA->m_vColour.GetPixel();
 166
 167         USHORT                      uJoin = 0L;
 168
 169         switch(M_PENDATA->m_nJoin)
 170         {
 171             case wxJOIN_BEVEL:
 172                 uJoin = LINEJOIN_BEVEL;
 173                 break;
 174
 175             case wxJOIN_MITER:
 176                 uJoin = LINEJOIN_MITRE;
 177                 break;
 178
 179             case wxJOIN_ROUND:
 180                 uJoin = LINEJOIN_ROUND;
 181                 break;
 182         }
 183
 184         USHORT                      uCap = 0L;
 185
 186         switch(M_PENDATA->m_nCap)
 187         {
 188             case wxCAP_PROJECTING:
 189                 uCap = LINEEND_SQUARE;
 190                 break;
 191
 192             case wxCAP_BUTT:
 193                 uCap = LINEEND_FLAT;
 194                 break;
 195
 196             case wxCAP_ROUND:
 197                 uCap = LINEEND_ROUND;
 198                 break;
 199         }
 200         m_vLineBundle.lColor     = (LONG)vPmColour;
 201         m_vLineBundle.usMixMode  = FM_OVERPAINT;
 202         m_vLineBundle.fxWidth    = M_PENDATA->m_nWidth;
 203         m_vLineBundle.lGeomWidth = M_PENDATA->m_nWidth;
 204         m_vLineBundle.usType     = uLineType;
 205         m_vLineBundle.usEnd      = uCap;
 206         m_vLineBundle.usJoin     = uJoin;
 207
 208         bOk = ::GpiSetAttrs( M_PENDATA->m_hPen
 209                             ,PRIM_LINE
 210                             ,LBB_COLOR | LBB_MIX_MODE | LBB_WIDTH | LBB_GEOM_WIDTH | LBB_TYPE | LBB_END | LBB_JOIN
 211                             ,0L
 212                             ,&m_vLineBundle
 213                            );
 214         if (!bOk)
 215         {
 216             vError = ::WinGetLastError(vHabmain);
 217             sError = wxPMErrorToStr(vError);
 218             wxLogError(_T("Can't set Gpi attributes for a LINEBUNDLE. Error: %s\n"), sError.c_str());
 219             return false;
 220         }
 221
 222         ULONG                           flAttrMask = 0L;
 223         ULONG                           flDefMask = 0L;
 224         switch(M_PENDATA->m_nStyle)
 225         {
 226             case wxSTIPPLE:
 227                 ::GpiSetBitmapId( M_PENDATA->m_hPen
 228                                  ,(USHORT)M_PENDATA->m_vStipple.GetHBITMAP()
 229                                  ,(USHORT)M_PENDATA->m_vStipple.GetId()
 230                                 );
 231                 ::GpiSetPatternSet( M_PENDATA->m_hPen
 232                                    ,(USHORT)M_PENDATA->m_vStipple.GetId()
 233                                   );
 234                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SET | ABB_SYMBOL;
 235                 flDefMask = ABB_REF_POINT;
 236                 break;
 237
 238             case wxBDIAGONAL_HATCH:
 239                 m_vAreaBundle.usSymbol = PATSYM_DIAG3;
 240                 m_vAreaBundle.usSet = LCID_DEFAULT;
 241                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 242                 flDefMask = ABB_SET | ABB_REF_POINT;
 243                 break;
 244
 245             case wxCROSSDIAG_HATCH:
 246                 m_vAreaBundle.usSymbol = PATSYM_DIAGHATCH;
 247                 m_vAreaBundle.usSet = LCID_DEFAULT;
 248                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 249                 flDefMask = ABB_SET | ABB_REF_POINT;
 250                 break;
 251
 252             case wxFDIAGONAL_HATCH:
 253                 m_vAreaBundle.usSymbol = PATSYM_DIAG1;
 254                 m_vAreaBundle.usSet = LCID_DEFAULT;
 255                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 256                 flDefMask = ABB_SET | ABB_REF_POINT;
 257                 break;
 258
 259             case wxCROSS_HATCH:
 260                 m_vAreaBundle.usSymbol = PATSYM_HATCH;
 261                 m_vAreaBundle.usSet = LCID_DEFAULT;
 262                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 263                 flDefMask = ABB_SET | ABB_REF_POINT;
 264                 break;
 265
 266             case wxHORIZONTAL_HATCH:
 267                 m_vAreaBundle.usSymbol = PATSYM_HORIZ;
 268                 m_vAreaBundle.usSet = LCID_DEFAULT;
 269                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 270                 flDefMask = ABB_SET | ABB_REF_POINT;
 271                 break;
 272
 273             case wxVERTICAL_HATCH:
 274                 m_vAreaBundle.usSymbol = PATSYM_VERT;
 275                 m_vAreaBundle.usSet = LCID_DEFAULT;
 276                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 277                 flDefMask = ABB_SET | ABB_REF_POINT;
 278                 break;
 279
 280             default:
 281                 m_vAreaBundle.usSymbol = PATSYM_SOLID;
 282                 m_vAreaBundle.usSet = LCID_DEFAULT;
 283                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 284                 flDefMask = ABB_SET | ABB_REF_POINT;
 285                 break;
 286         }
 287
 288         m_vAreaBundle.lColor        = vPmColour;
 289         m_vAreaBundle.lBackColor    = RGB_WHITE;
 290         m_vAreaBundle.usMixMode     = FM_OVERPAINT;
 291         m_vAreaBundle.usBackMixMode = BM_OVERPAINT;
 292
 293         bOk = ::GpiSetAttrs( M_PENDATA->m_hPen
 294                             ,PRIM_AREA
 295                             ,flAttrMask
 296                             ,flDefMask
 297                             ,&m_vAreaBundle
 298                            );
 299         if (!bOk)
 300         {
 301             vError = ::WinGetLastError(vHabmain);
 302             sError = wxPMErrorToStr(vError);
 303             wxLogError(_T("Can't set Gpi attributes for an AREABUNDLE. Error: %s\n"), sError.c_str());
 304         }
 305
 306         return (bool)bOk;
 307     }
 308     return false;
 309 } // end of wxPen::RealizeResource
 310
 311 WXHANDLE wxPen::GetResourceHandle()
 312 {
 313     if (!M_PENDATA)
 314         return 0;
 315     else
 316         return (WXHANDLE)M_PENDATA->m_hPen;
 317 } // end of wxPen::GetResourceHandle
 318
 319 bool wxPen::FreeResource( bool WXUNUSED(bForce) )
 320 {
 321     if (M_PENDATA && (M_PENDATA->m_hPen != 0))
 322     {
 323         M_PENDATA->m_hPen = 0;
 324         return true;
 325     }
 326     else return false;
 327 } // end of wxPen::FreeResource
 328
 329 bool wxPen::IsFree() const
 330 {
 331     return (M_PENDATA && M_PENDATA->m_hPen == 0);
 332 }
 333
 334 void wxPen::Unshare()
 335 {
 336     // Don't change shared data
 337     if (!m_refData)
 338     {
 339         m_refData = new wxPenRefData();
 340     }
 341     else
 342     {
 343         wxPenRefData* ref = new wxPenRefData(*(wxPenRefData*)m_refData);
 344         UnRef();
 345         m_refData = ref;
 346     }
 347 } // end of wxPen::Unshare
 348
 349 void wxPen::SetColour( const wxColour& rColour )
 350 {
 351     Unshare();
 352     M_PENDATA->m_vColour = rColour;
 353     RealizeResource();
 354 } // end of wxPen::SetColour
 355
 356 void wxPen::SetColour( unsigned char cRed, unsigned char cGreen, unsigned char cBlue)
 357 {
 358     Unshare();
 359     M_PENDATA->m_vColour.Set(cRed, cGreen, cBlue);
 360     RealizeResource();
 361 } // end of wxPen::SetColour
 362
 363 void wxPen::SetPS( HPS hPS )
 364 {
 365     Unshare();
 366     if (M_PENDATA->m_hPen)
 367         ::GpiDestroyPS(M_PENDATA->m_hPen);
 368     M_PENDATA->m_hPen = hPS;
 369     RealizeResource();
 370 } // end of WxWinGdi_CPen::SetPS
 371
 372 void wxPen::SetWidth(
 373   int                               nWidth
 374 )
 375 {
 376     Unshare();
 377     M_PENDATA->m_nWidth = nWidth;
 378     RealizeResource();
 379 } // end of wxPen::SetWidth
 380
 381 void wxPen::SetStyle(
 382   int                               nStyle
 383 )
 384 {
 385     Unshare();
 386     M_PENDATA->m_nStyle = nStyle;
 387     RealizeResource();
 388 } // end of wxPen::SetStyle
 389
 390 void wxPen::SetStipple(
 391   const wxBitmap&                   rStipple
 392 )
 393 {
 394     Unshare();
 395     M_PENDATA->m_vStipple = rStipple;
 396     M_PENDATA->m_nStyle = wxSTIPPLE;
 397     RealizeResource();
 398 } // end of wxPen::SetStipple
 399
 400 void wxPen::SetDashes( int WXUNUSED(nNbDashes),
 401                        const wxDash* WXUNUSED(pDash) )
 402 {
 403     //
 404     // Does nothing under OS/2
 405     //
 406 } // end of wxPen::SetDashes
 407
 408 void wxPen::SetJoin(
 409   int                               nJoin
 410 )
 411 {
 412     Unshare();
 413     M_PENDATA->m_nJoin = nJoin;
 414     RealizeResource();
 415 } // end of wxPen::SetJoin
 416
 417 void wxPen::SetCap(
 418   int                               nCap
 419 )
 420 {
 421     Unshare();
 422     M_PENDATA->m_nCap = nCap;
 423     RealizeResource();
 424 } // end of wxPen::SetCap
 425
 426 int wx2os2PenStyle(
 427   int                               nWxStyle
 428 )
 429 {
 430     int                             nPMStyle = 0;
 431
 432     switch (nWxStyle)
 433     {
 434         case wxDOT:
 435             nPMStyle = LINETYPE_DOT;
 436             break;
 437
 438         case wxDOT_DASH:
 439             nPMStyle = LINETYPE_DASHDOT;
 440             break;
 441
 442         case wxSHORT_DASH:
 443             nPMStyle = LINETYPE_SHORTDASH;
 444             break;
 445
 446         case wxLONG_DASH:
 447             nPMStyle = LINETYPE_LONGDASH;
 448             break;
 449
 450         case wxTRANSPARENT:
 451             nPMStyle = LINETYPE_INVISIBLE;
 452             break;
 453
 454         case wxUSER_DASH:
 455             nPMStyle = LINETYPE_DASHDOUBLEDOT; // We must make a choice... This is mine!
 456             break;
 457
 458         case wxSOLID:
 459         default:
 460             nPMStyle = LINETYPE_SOLID;
 461             break;
 462     }
 463     return nPMStyle;
 464 } // end of wx2os2PenStyle