src/os2/brush.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/os2/brush.cpp
   3 // Purpose:     wxBrush
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/13/99
   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/list.h"
  18     #include "wx/utils.h"
  19     #include "wx/app.h"
  20     #include "wx/brush.h"
  21     #include "wx/log.h"
  22 #endif
  23
  24 #include "wx/os2/private.h"
  25
  26 class WXDLLEXPORT wxBrushRefData: public wxGDIRefData
  27 {
  28     friend class WXDLLIMPEXP_FWD_CORE wxBrush;
  29 public:
  30     wxBrushRefData(const wxColour& colour = wxNullColour, wxBrushStyle style = wxBRUSHSTYLE_SOLID);
  31     wxBrushRefData(const wxBitmap& stipple);
  32     wxBrushRefData(const wxBrushRefData& rData);
  33     virtual ~wxBrushRefData();
  34
  35     bool operator == (const wxBrushRefData& data) const
  36     {
  37         return (m_nStyle == data.m_nStyle &&
  38                 m_vStipple.IsSameAs(data.m_vStipple) &&
  39                 m_vColour == data.m_vColour);
  40     }
  41
  42 protected:
  43     wxBrushStyle m_nStyle;
  44     wxBitmap     m_vStipple;
  45     wxColour     m_vColour;
  46     WXHBRUSH     m_hBrush; // in OS/2 GPI this will be the PS the pen is associated with
  47     AREABUNDLE   m_vBundle;
  48 };
  49
  50 #define M_BRUSHDATA ((wxBrushRefData *)m_refData)
  51
  52 // ============================================================================
  53 // wxBrushRefData implementation
  54 // ============================================================================
  55
  56 IMPLEMENT_DYNAMIC_CLASS(wxBrush, wxGDIObject)
  57
  58 // ----------------------------------------------------------------------------
  59 // wxBrushRefData ctors/dtor
  60 // ----------------------------------------------------------------------------
  61
  62 wxBrushRefData::wxBrushRefData(const wxColour& colour, wxBrushStyle style)
  63               : m_vColour(colour)
  64 {
  65     m_nStyle = style;
  66     m_hBrush = 0;
  67     memset(&m_vBundle, '\0', sizeof(AREABUNDLE));
  68 } // end of wxBrushRefData::wxBrushRefData
  69
  70 wxBrushRefData::wxBrushRefData(const wxBitmap& stipple)
  71 {
  72     m_vStipple = stipple;
  73     m_nStyle = stipple.GetMask() ? wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE
  74                                  : wxBRUSHSTYLE_STIPPLE;
  75
  76     m_hBrush = NULL;
  77     memset(&m_vBundle, '\0', sizeof(AREABUNDLE));
  78 }
  79
  80 wxBrushRefData::wxBrushRefData(const wxBrushRefData& rData)
  81               : wxGDIRefData(),
  82                 m_vStipple(rData.m_vStipple),
  83                 m_vColour(rData.m_vColour)
  84 {
  85     m_nStyle   = rData.m_nStyle;
  86     m_hBrush   = 0;
  87     memcpy(&m_vBundle, &rData.m_vBundle, sizeof(AREABUNDLE));
  88 } // end of wxBrushRefData::wxBrushRefData
  89
  90 wxBrushRefData::~wxBrushRefData()
  91 {
  92 } // end of wxBrushRefData::~wxBrushRefData
  93
  94 // ============================================================================
  95 // wxBrush implementation
  96 // ============================================================================
  97
  98 // ----------------------------------------------------------------------------
  99 // wxBrush ctors/dtor
 100 // ----------------------------------------------------------------------------
 101
 102 wxBrush::wxBrush()
 103 {
 104 } // end of wxBrush::wxBrush
 105
 106 wxBrush::~wxBrush()
 107 {
 108 } // end of wxBrush::~wxBrush
 109
 110 wxBrush::wxBrush(
 111   const wxColour&                   rColour
 112 , wxBrushStyle                      nStyle
 113 )
 114 {
 115     m_refData = new wxBrushRefData(rColour, nStyle);
 116
 117     RealizeResource();
 118 } // end of wxBrush::wxBrush
 119
 120 #if FUTURE_WXWIN_COMPATIBILITY_3_0
 121 wxBrush::wxBrush(const wxColour& col, int style)
 122 {
 123     m_refData = new wxBrushRefData(col, (wxBrushStyle)style);
 124
 125     RealizeResource();
 126 }
 127 #endif
 128
 129 wxBrush::wxBrush(const wxBitmap& rStipple)
 130 {
 131     m_refData = new wxBrushRefData(rStipple);
 132
 133     RealizeResource();
 134 } // end of wxBrush::wxBrush
 135
 136 bool wxBrush::RealizeResource()
 137 {
 138     bool     bOk;
 139     ERRORID  vError;
 140     wxString sError;
 141
 142     if (M_BRUSHDATA && M_BRUSHDATA->m_hBrush == 0L)
 143     {
 144         SIZEL                   vSize = {0, 0};
 145         DEVOPENSTRUC            vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
 146         HDC                     hDC = ::DevOpenDC( vHabmain
 147                                                   ,OD_MEMORY
 148                                                   ,"*"
 149                                                   ,5L
 150                                                   ,(PDEVOPENDATA)&vDop
 151                                                   ,NULLHANDLE
 152                                                  );
 153         M_BRUSHDATA->m_hBrush = (WXHPEN)::GpiCreatePS( vHabmain
 154                                                       ,hDC
 155                                                       ,&vSize
 156                                                       ,PU_PELS | GPIT_MICRO | GPIA_ASSOC
 157                                                      );
 158     }
 159     if (M_BRUSHDATA)
 160     {
 161         //
 162         // Set the color table to RGB mode
 163         //
 164         if (!::GpiCreateLogColorTable( (HPS)M_BRUSHDATA->m_hBrush
 165                                       ,0L
 166                                       ,LCOLF_RGB
 167                                       ,0L
 168                                       ,0L
 169                                       ,NULL
 170                                      ))
 171         {
 172             vError = ::WinGetLastError(vHabmain);
 173             sError = wxPMErrorToStr(vError);
 174             wxLogError(wxT("Unable to set current color table to RGB mode. Error: %s\n"), sError.c_str());
 175             return false;
 176         }
 177
 178         if (M_BRUSHDATA->m_nStyle==wxTRANSPARENT)
 179         {
 180             return true;
 181         }
 182         COLORREF                    vPmColour = 0L;
 183
 184         vPmColour = M_BRUSHDATA->m_vColour.GetPixel() ;
 185
 186         M_BRUSHDATA->m_vBundle.usSet = LCID_DEFAULT;
 187         switch (M_BRUSHDATA->m_nStyle)
 188         {
 189             case wxTRANSPARENT:
 190                 M_BRUSHDATA->m_hBrush = NULL;  // Must always select a suitable background brush
 191                 break;                         // - could choose white always for a quick solution
 192
 193             case wxBDIAGONAL_HATCH:
 194                 M_BRUSHDATA->m_vBundle.usSymbol = PATSYM_DIAG3;
 195                 break;
 196
 197             case wxCROSSDIAG_HATCH:
 198                 M_BRUSHDATA->m_vBundle.usSymbol = PATSYM_DIAGHATCH;
 199                 break;
 200
 201             case wxFDIAGONAL_HATCH:
 202                 M_BRUSHDATA->m_vBundle.usSymbol = PATSYM_DIAG1;
 203                 break;
 204
 205             case wxCROSS_HATCH:
 206                 M_BRUSHDATA->m_vBundle.usSymbol = PATSYM_HATCH;
 207                 break;
 208
 209             case wxHORIZONTAL_HATCH:
 210                 M_BRUSHDATA->m_vBundle.usSymbol = PATSYM_HORIZ;
 211                 break;
 212
 213             case wxVERTICAL_HATCH:
 214                 M_BRUSHDATA->m_vBundle.usSymbol = PATSYM_VERT;
 215                 break;
 216
 217             case wxSTIPPLE:
 218                 if (M_BRUSHDATA->m_vStipple.IsOk())
 219                 {
 220                     ::GpiSetBitmapId( M_BRUSHDATA->m_hBrush
 221                                      ,(USHORT)M_BRUSHDATA->m_vStipple.GetHBITMAP()
 222                                      ,(USHORT)M_BRUSHDATA->m_vStipple.GetId()
 223                                     );
 224                     ::GpiSetPatternSet( M_BRUSHDATA->m_hBrush
 225                                        ,(USHORT)M_BRUSHDATA->m_vStipple.GetId()
 226                                       );
 227                 }
 228                 else
 229                     M_BRUSHDATA->m_vBundle.usSymbol = PATSYM_SOLID;
 230                 break ;
 231
 232             case wxSOLID:
 233             default:
 234                 M_BRUSHDATA->m_vBundle.usSymbol = PATSYM_SOLID;
 235                 break;
 236         }
 237 #ifdef WXDEBUG_CREATE
 238         if (M_BRUSHDATA->m_hBrush==NULL) wxError("Cannot create brush","Internal error") ;
 239 #endif
 240         M_BRUSHDATA->m_vBundle.lColor        = vPmColour;
 241         M_BRUSHDATA->m_vBundle.lBackColor    = RGB_WHITE;
 242         M_BRUSHDATA->m_vBundle.usMixMode     = FM_OVERPAINT;
 243         M_BRUSHDATA->m_vBundle.usBackMixMode = BM_OVERPAINT;
 244
 245         bOk = (bool)::GpiSetAttrs( M_BRUSHDATA->m_hBrush
 246                                   ,PRIM_AREA
 247                                   ,ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE |
 248                                    ABB_SET | ABB_SYMBOL | ABB_REF_POINT
 249                                   ,ABB_SET | ABB_SYMBOL | ABB_REF_POINT
 250                                   ,&M_BRUSHDATA->m_vBundle
 251                                  );
 252         if (!bOk)
 253         {
 254             vError = ::WinGetLastError(vHabmain);
 255             sError = wxPMErrorToStr(vError);
 256             wxLogError(wxT("Can't set Gpi attributes for an AREABUNDLE. Error: %s\n"), sError.c_str());
 257         }
 258         return bOk;
 259     }
 260     return false;
 261 } // end of wxBrush::RealizeResource
 262
 263 // ----------------------------------------------------------------------------
 264 // wxBrush accessors
 265 // ----------------------------------------------------------------------------
 266
 267 wxColour wxBrush::GetColour() const
 268 {
 269     wxCHECK_MSG( IsOk(), wxNullColour, wxT("invalid brush") );
 270
 271     return M_BRUSHDATA->m_vColour;
 272 }
 273
 274 wxBrushStyle wxBrush::GetStyle() const
 275 {
 276     wxCHECK_MSG( IsOk(), wxBRUSHSTYLE_INVALID, wxT("invalid brush") );
 277
 278     return M_BRUSHDATA->m_nStyle;
 279 }
 280
 281 wxBitmap *wxBrush::GetStipple() const
 282 {
 283     wxCHECK_MSG( IsOk(), NULL, wxT("invalid brush") );
 284
 285     return &(M_BRUSHDATA->m_vStipple);
 286 }
 287
 288 int wxBrush::GetPS() const
 289 {
 290     wxCHECK_MSG( IsOk(), 0, wxT("invalid brush") );
 291
 292     return M_BRUSHDATA->m_hBrush;
 293 }
 294
 295 WXHANDLE wxBrush::GetResourceHandle() const
 296 {
 297     wxCHECK_MSG( IsOk(), 0, wxT("invalid brush") );
 298
 299     return (WXHANDLE)M_BRUSHDATA->m_hBrush;
 300 } // end of wxBrush::GetResourceHandle
 301
 302 bool wxBrush::FreeResource( bool WXUNUSED(bForce) )
 303 {
 304     if (M_BRUSHDATA && (M_BRUSHDATA->m_hBrush != 0))
 305     {
 306         M_BRUSHDATA->m_hBrush = 0;
 307         return true;
 308     }
 309     else return false;
 310 } // end of wxBrush::FreeResource
 311
 312 bool wxBrush::IsFree() const
 313 {
 314   return (M_BRUSHDATA && (M_BRUSHDATA->m_hBrush == 0));
 315 } // end of wxBrush::IsFree
 316
 317 // ----------------------------------------------------------------------------
 318 // wxBrush setters
 319 // ----------------------------------------------------------------------------
 320
 321 void wxBrush::SetColour( const wxColour& rColour )
 322 {
 323     AllocExclusive();
 324     M_BRUSHDATA->m_vColour = rColour;
 325     RealizeResource();
 326 }
 327
 328 void wxBrush::SetColour(unsigned char cRed, unsigned char cGreen, unsigned char cBlue)
 329 {
 330     AllocExclusive();
 331     M_BRUSHDATA->m_vColour.Set( cRed, cGreen, cBlue );
 332     RealizeResource();
 333 } // end of wxBrush::SetColour
 334
 335 void wxBrush::SetStyle(wxBrushStyle nStyle)
 336 {
 337     AllocExclusive();
 338     M_BRUSHDATA->m_nStyle = nStyle;
 339     RealizeResource();
 340 } // end of wxBrush::SetStyle
 341
 342 void wxBrush::SetStipple(
 343   const wxBitmap&                   rStipple
 344 )
 345 {
 346     AllocExclusive();
 347     M_BRUSHDATA->m_vStipple = rStipple;
 348     RealizeResource();
 349 } // end of wxBrush::SetStipple
 350
 351 void wxBrush::SetPS(
 352   HPS                               hPS
 353 )
 354 {
 355     AllocExclusive();
 356     if (M_BRUSHDATA->m_hBrush)
 357         ::GpiDestroyPS(M_BRUSHDATA->m_hBrush);
 358     M_BRUSHDATA->m_hBrush = hPS;
 359     RealizeResource();
 360 } // end of WxWinGdi_CPen::SetPS
 361
 362 // ----------------------------------------------------------------------------
 363 // wxBrush house keeping stuff
 364 // ----------------------------------------------------------------------------
 365
 366 bool wxBrush::operator == (
 367     const wxBrush& brush
 368 ) const
 369 {
 370     if (m_refData == brush.m_refData) return true;
 371
 372     if (!m_refData || !brush.m_refData) return false;
 373
 374     return ( *(wxBrushRefData*)m_refData == *(wxBrushRefData*)brush.m_refData );
 375 } // end of wxBrush::operator ==
 376
 377 wxGDIRefData *wxBrush::CreateGDIRefData() const
 378 {
 379     return new wxBrushRefData;
 380 }
 381
 382 wxGDIRefData *wxBrush::CloneGDIRefData(const wxGDIRefData *data) const
 383 {
 384     return new wxBrushRefData(*(const wxBrushRefData *)data);
 385 }