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 , wxPenStyle                        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(const wxColour& colour, int width, wxBrushStyle style)
  90 {
  91     m_refData = new wxPenRefData;
  92
  93     M_PENDATA->m_vColour = colour;
  94     M_PENDATA->m_nWidth  = width;
  95     M_PENDATA->m_nStyle  = (wxPenStyle)nStyle;
  96     M_PENDATA->m_nJoin   = wxJOIN_ROUND ;
  97     M_PENDATA->m_nCap    = wxCAP_ROUND ;
  98     M_PENDATA->m_hPen    = 0L;
  99
 100     RealizeResource();
 101 }
 102
 103 wxPen::wxPen(
 104   const wxBitmap&                   rStipple
 105 , int                               nWidth
 106 )
 107 {
 108     m_refData = new wxPenRefData;
 109
 110     M_PENDATA->m_vStipple = rStipple;
 111     M_PENDATA->m_nWidth   = nWidth;
 112     M_PENDATA->m_nStyle   = wxSTIPPLE;
 113     M_PENDATA->m_nJoin    = wxJOIN_ROUND ;
 114     M_PENDATA->m_nCap     = wxCAP_ROUND ;
 115     M_PENDATA->m_hPen     = 0;
 116
 117     RealizeResource();
 118 } // end of wxPen::wxPen
 119
 120 int wx2os2PenStyle(
 121   wxPenStyle                               nWxStyle
 122 );
 123
 124 bool wxPen::RealizeResource()
 125 {
 126     BOOL                            bOk;
 127     ERRORID                         vError;
 128     wxString                        sError;
 129
 130     if (M_PENDATA && M_PENDATA->m_hPen == 0L)
 131     {
 132         SIZEL                   vSize = {0, 0};
 133         DEVOPENSTRUC            vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
 134         HDC                     hDC = ::DevOpenDC( vHabmain
 135                                                   ,OD_MEMORY
 136                                                   ,"*"
 137                                                   ,5L
 138                                                   ,(PDEVOPENDATA)&vDop
 139                                                   ,NULLHANDLE
 140                                                  );
 141         M_PENDATA->m_hPen = (WXHPEN)::GpiCreatePS( vHabmain
 142                                                   ,hDC
 143                                                   ,&vSize
 144                                                   ,PU_PELS | GPIT_MICRO | GPIA_ASSOC
 145                                                  );
 146     }
 147     if (M_PENDATA)
 148     {
 149         //
 150         // Set the color table to RGB mode
 151         //
 152         if (!::GpiCreateLogColorTable( (HPS)M_PENDATA->m_hPen
 153                                       ,0L
 154                                       ,LCOLF_RGB
 155                                       ,0L
 156                                       ,0L
 157                                       ,NULL
 158                                      ))
 159         {
 160             vError = ::WinGetLastError(vHabmain);
 161             sError = wxPMErrorToStr(vError);
 162             wxLogError(_T("Unable to set current color table to RGB mode. Error: %s\n"), sError.c_str());
 163             return false;
 164         }
 165         if (M_PENDATA->m_nStyle == wxTRANSPARENT)
 166         {
 167             return true;
 168         }
 169
 170         COLORREF vPmColour = 0L;
 171         USHORT   uLineType = (USHORT)wx2os2PenStyle(M_PENDATA->m_nStyle);
 172
 173         vPmColour = M_PENDATA->m_vColour.GetPixel();
 174
 175         USHORT                      uJoin = 0L;
 176
 177         switch(M_PENDATA->m_nJoin)
 178         {
 179             case wxJOIN_BEVEL:
 180                 uJoin = LINEJOIN_BEVEL;
 181                 break;
 182
 183             case wxJOIN_MITER:
 184                 uJoin = LINEJOIN_MITRE;
 185                 break;
 186
 187             case wxJOIN_ROUND:
 188                 uJoin = LINEJOIN_ROUND;
 189                 break;
 190         }
 191
 192         USHORT                      uCap = 0L;
 193
 194         switch(M_PENDATA->m_nCap)
 195         {
 196             case wxCAP_PROJECTING:
 197                 uCap = LINEEND_SQUARE;
 198                 break;
 199
 200             case wxCAP_BUTT:
 201                 uCap = LINEEND_FLAT;
 202                 break;
 203
 204             case wxCAP_ROUND:
 205                 uCap = LINEEND_ROUND;
 206                 break;
 207         }
 208         m_vLineBundle.lColor     = (LONG)vPmColour;
 209         m_vLineBundle.usMixMode  = FM_OVERPAINT;
 210         if (M_PENDATA->m_nWidth < 1)
 211             M_PENDATA->m_nWidth = 1;
 212         m_vLineBundle.fxWidth    = M_PENDATA->m_nWidth;
 213         m_vLineBundle.lGeomWidth = M_PENDATA->m_nWidth;
 214         m_vLineBundle.usType     = uLineType;
 215         m_vLineBundle.usEnd      = uCap;
 216         m_vLineBundle.usJoin     = uJoin;
 217
 218         bOk = ::GpiSetAttrs( M_PENDATA->m_hPen
 219                             ,PRIM_LINE
 220                             ,LBB_COLOR | LBB_MIX_MODE | LBB_WIDTH | LBB_GEOM_WIDTH | LBB_TYPE | LBB_END | LBB_JOIN
 221                             ,0L
 222                             ,&m_vLineBundle
 223                            );
 224         if (!bOk)
 225         {
 226             vError = ::WinGetLastError(vHabmain);
 227             sError = wxPMErrorToStr(vError);
 228             wxLogError(_T("Can't set Gpi attributes for a LINEBUNDLE. Error: %s\n"), sError.c_str());
 229             return false;
 230         }
 231
 232         ULONG                           flAttrMask = 0L;
 233         ULONG                           flDefMask = 0L;
 234         switch(M_PENDATA->m_nStyle)
 235         {
 236             case wxSTIPPLE:
 237                 ::GpiSetBitmapId( M_PENDATA->m_hPen
 238                                  ,(USHORT)M_PENDATA->m_vStipple.GetHBITMAP()
 239                                  ,(USHORT)M_PENDATA->m_vStipple.GetId()
 240                                 );
 241                 ::GpiSetPatternSet( M_PENDATA->m_hPen
 242                                    ,(USHORT)M_PENDATA->m_vStipple.GetId()
 243                                   );
 244                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SET | ABB_SYMBOL;
 245                 flDefMask = ABB_REF_POINT;
 246                 break;
 247
 248             case wxBDIAGONAL_HATCH:
 249                 m_vAreaBundle.usSymbol = PATSYM_DIAG3;
 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 wxCROSSDIAG_HATCH:
 256                 m_vAreaBundle.usSymbol = PATSYM_DIAGHATCH;
 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 wxFDIAGONAL_HATCH:
 263                 m_vAreaBundle.usSymbol = PATSYM_DIAG1;
 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 wxCROSS_HATCH:
 270                 m_vAreaBundle.usSymbol = PATSYM_HATCH;
 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             case wxHORIZONTAL_HATCH:
 277                 m_vAreaBundle.usSymbol = PATSYM_HORIZ;
 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             case wxVERTICAL_HATCH:
 284                 m_vAreaBundle.usSymbol = PATSYM_VERT;
 285                 m_vAreaBundle.usSet = LCID_DEFAULT;
 286                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 287                 flDefMask = ABB_SET | ABB_REF_POINT;
 288                 break;
 289
 290             default:
 291                 m_vAreaBundle.usSymbol = PATSYM_SOLID;
 292                 m_vAreaBundle.usSet = LCID_DEFAULT;
 293                 flAttrMask = ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE | ABB_SYMBOL;
 294                 flDefMask = ABB_SET | ABB_REF_POINT;
 295                 break;
 296         }
 297
 298         m_vAreaBundle.lColor        = vPmColour;
 299         m_vAreaBundle.lBackColor    = RGB_WHITE;
 300         m_vAreaBundle.usMixMode     = FM_OVERPAINT;
 301         m_vAreaBundle.usBackMixMode = BM_OVERPAINT;
 302
 303         bOk = ::GpiSetAttrs( M_PENDATA->m_hPen
 304                             ,PRIM_AREA
 305                             ,flAttrMask
 306                             ,flDefMask
 307                             ,&m_vAreaBundle
 308                            );
 309         if (!bOk)
 310         {
 311             vError = ::WinGetLastError(vHabmain);
 312             sError = wxPMErrorToStr(vError);
 313             wxLogError(_T("Can't set Gpi attributes for an AREABUNDLE. Error: %s\n"), sError.c_str());
 314         }
 315
 316         return (bool)bOk;
 317     }
 318     return false;
 319 } // end of wxPen::RealizeResource
 320
 321 WXHANDLE wxPen::GetResourceHandle() const
 322 {
 323     if (!M_PENDATA)
 324         return 0;
 325     else
 326         return (WXHANDLE)M_PENDATA->m_hPen;
 327 } // end of wxPen::GetResourceHandle
 328
 329 bool wxPen::FreeResource( bool WXUNUSED(bForce) )
 330 {
 331     if (M_PENDATA && (M_PENDATA->m_hPen != 0))
 332     {
 333         M_PENDATA->m_hPen = 0;
 334         return true;
 335     }
 336     else return false;
 337 } // end of wxPen::FreeResource
 338
 339 bool wxPen::IsFree() const
 340 {
 341     return (M_PENDATA && M_PENDATA->m_hPen == 0);
 342 }
 343
 344 wxGDIRefData* wxPen::CreateGDIRefData() const
 345 {
 346     return new wxPenRefData;
 347 }
 348
 349 wxGDIRefData* wxPen::CloneGDIRefData(const wxGDIRefData* data) const
 350 {
 351     return new wxPenRefData(*wx_static_cast(const wxPenRefData*, data));
 352 }
 353
 354 void wxPen::SetColour( const wxColour& rColour )
 355 {
 356     AllocExclusive();
 357     M_PENDATA->m_vColour = rColour;
 358     RealizeResource();
 359 } // end of wxPen::SetColour
 360
 361 void wxPen::SetColour( unsigned char cRed, unsigned char cGreen, unsigned char cBlue)
 362 {
 363     AllocExclusive();
 364     M_PENDATA->m_vColour.Set(cRed, cGreen, cBlue);
 365     RealizeResource();
 366 } // end of wxPen::SetColour
 367
 368 void wxPen::SetPS( HPS hPS )
 369 {
 370     AllocExclusive();
 371     if (M_PENDATA->m_hPen)
 372         ::GpiDestroyPS(M_PENDATA->m_hPen);
 373     M_PENDATA->m_hPen = hPS;
 374     RealizeResource();
 375 } // end of WxWinGdi_CPen::SetPS
 376
 377 void wxPen::SetWidth(
 378   int                               nWidth
 379 )
 380 {
 381     AllocExclusive();
 382     M_PENDATA->m_nWidth = nWidth;
 383     RealizeResource();
 384 } // end of wxPen::SetWidth
 385
 386 void wxPen::SetStyle(
 387   wxPenStyle                               nStyle
 388 )
 389 {
 390     AllocExclusive();
 391     M_PENDATA->m_nStyle = nStyle;
 392     RealizeResource();
 393 } // end of wxPen::SetStyle
 394
 395 void wxPen::SetStipple(
 396   const wxBitmap&                   rStipple
 397 )
 398 {
 399     AllocExclusive();
 400     M_PENDATA->m_vStipple = rStipple;
 401     M_PENDATA->m_nStyle = wxSTIPPLE;
 402     RealizeResource();
 403 } // end of wxPen::SetStipple
 404
 405 void wxPen::SetDashes( int WXUNUSED(nNbDashes),
 406                        const wxDash* WXUNUSED(pDash) )
 407 {
 408     //
 409     // Does nothing under OS/2
 410     //
 411 } // end of wxPen::SetDashes
 412
 413 void wxPen::SetJoin(
 414   wxPenJoin                               nJoin
 415 )
 416 {
 417     AllocExclusive();
 418     M_PENDATA->m_nJoin = nJoin;
 419     RealizeResource();
 420 } // end of wxPen::SetJoin
 421
 422 void wxPen::SetCap(
 423   wxPenCap                               nCap
 424 )
 425 {
 426     AllocExclusive();
 427     M_PENDATA->m_nCap = nCap;
 428     RealizeResource();
 429 } // end of wxPen::SetCap
 430
 431 int wx2os2PenStyle(
 432   wxPenStyle                               nWxStyle
 433 )
 434 {
 435     int                             nPMStyle = 0;
 436
 437     switch (nWxStyle)
 438     {
 439         case wxDOT:
 440             nPMStyle = LINETYPE_DOT;
 441             break;
 442
 443         case wxDOT_DASH:
 444             nPMStyle = LINETYPE_DASHDOT;
 445             break;
 446
 447         case wxSHORT_DASH:
 448             nPMStyle = LINETYPE_SHORTDASH;
 449             break;
 450
 451         case wxLONG_DASH:
 452             nPMStyle = LINETYPE_LONGDASH;
 453             break;
 454
 455         case wxTRANSPARENT:
 456             nPMStyle = LINETYPE_INVISIBLE;
 457             break;
 458
 459         case wxUSER_DASH:
 460             nPMStyle = LINETYPE_DASHDOUBLEDOT; // We must make a choice... This is mine!
 461             break;
 462
 463         case wxSOLID:
 464         default:
 465             nPMStyle = LINETYPE_SOLID;
 466             break;
 467     }
 468     return nPMStyle;
 469 } // end of wx2os2PenStyle