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 #include "assert.h"
  27
  28 IMPLEMENT_DYNAMIC_CLASS(wxBrush, wxGDIObject)
  29
  30 wxBrushRefData::wxBrushRefData()
  31 {
  32     m_nStyle = wxSOLID;
  33     m_hBrush = 0;
  34     memset(&m_vBundle, '\0', sizeof(AREABUNDLE));
  35 } // end of wxBrushRefData::wxBrushRefData
  36
  37 wxBrushRefData::wxBrushRefData(const wxBrushRefData& rData)
  38 {
  39     m_nStyle   = rData.m_nStyle;
  40     m_vStipple = rData.m_vStipple;
  41     m_vColour  = rData.m_vColour;
  42     m_hBrush   = 0;
  43     memcpy(&m_vBundle, &rData.m_vBundle, sizeof(AREABUNDLE));
  44 } // end of wxBrushRefData::wxBrushRefData
  45
  46 wxBrushRefData::~wxBrushRefData()
  47 {
  48 } // end of wxBrushRefData::~wxBrushRefData
  49
  50 //
  51 // Brushes
  52 //
  53 wxBrush::wxBrush()
  54 {
  55 } // end of wxBrush::wxBrush
  56
  57 wxBrush::~wxBrush()
  58 {
  59 } // end of wxBrush::~wxBrush
  60
  61 wxBrush::wxBrush(
  62   const wxColour&                   rColour
  63 , int                               nStyle
  64 )
  65 {
  66     m_refData = new wxBrushRefData;
  67
  68     M_BRUSHDATA->m_vColour = rColour;
  69     M_BRUSHDATA->m_nStyle  = nStyle;
  70     M_BRUSHDATA->m_hBrush  = 0;
  71     memset(&M_BRUSHDATA->m_vBundle, '\0', sizeof(AREABUNDLE));
  72
  73     RealizeResource();
  74 } // end of wxBrush::wxBrush
  75
  76 wxBrush::wxBrush(const wxBitmap& rStipple)
  77 {
  78     m_refData = new wxBrushRefData;
  79
  80     M_BRUSHDATA->m_nStyle   = wxSTIPPLE;
  81     M_BRUSHDATA->m_vStipple = rStipple;
  82     M_BRUSHDATA->m_hBrush  = 0;
  83     memset(&M_BRUSHDATA->m_vBundle, '\0', sizeof(AREABUNDLE));
  84
  85     RealizeResource();
  86 } // end of wxBrush::wxBrush
  87
  88 bool wxBrush::RealizeResource()
  89 {
  90     bool     bOk;
  91     ERRORID  vError;
  92     wxString sError;
  93
  94     if (M_BRUSHDATA && M_BRUSHDATA->m_hBrush == 0L)
  95     {
  96         SIZEL                   vSize = {0, 0};
  97         DEVOPENSTRUC            vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
  98         HDC                     hDC = ::DevOpenDC( vHabmain
  99                                                   ,OD_MEMORY
 100                                                   ,"*"
 101                                                   ,5L
 102                                                   ,(PDEVOPENDATA)&vDop
 103                                                   ,NULLHANDLE
 104                                                  );
 105         M_BRUSHDATA->m_hBrush = (WXHPEN)::GpiCreatePS( vHabmain
 106                                                       ,hDC
 107                                                       ,&vSize
 108                                                       ,PU_PELS | GPIT_MICRO | GPIA_ASSOC
 109                                                      );
 110     }
 111     if (M_BRUSHDATA)
 112     {
 113         //
 114         // Set the color table to RGB mode
 115         //
 116         if (!::GpiCreateLogColorTable( (HPS)M_BRUSHDATA->m_hBrush
 117                                       ,0L
 118                                       ,LCOLF_RGB
 119                                       ,0L
 120                                       ,0L
 121                                       ,NULL
 122                                      ))
 123         {
 124             vError = ::WinGetLastError(vHabmain);
 125             sError = wxPMErrorToStr(vError);
 126             wxLogError(_T("Unable to set current color table to RGB mode. Error: %s\n"), sError.c_str());
 127             return false;
 128         }
 129
 130         if (M_BRUSHDATA->m_nStyle==wxTRANSPARENT)
 131         {
 132             return true;
 133         }
 134         COLORREF                    vPmColour = 0L;
 135
 136         vPmColour = M_BRUSHDATA->m_vColour.GetPixel() ;
 137
 138         M_BRUSHDATA->m_vBundle.usSet = LCID_DEFAULT;
 139         switch (M_BRUSHDATA->m_nStyle)
 140         {
 141             case wxTRANSPARENT:
 142                 M_BRUSHDATA->m_hBrush = NULL;  // Must always select a suitable background brush
 143                 break;                         // - could choose white always for a quick solution
 144
 145             case wxBDIAGONAL_HATCH:
 146                 M_BRUSHDATA->m_vBundle.usSymbol = PATSYM_DIAG3;
 147                 break;
 148
 149             case wxCROSSDIAG_HATCH:
 150                 M_BRUSHDATA->m_vBundle.usSymbol = PATSYM_DIAGHATCH;
 151                 break;
 152
 153             case wxFDIAGONAL_HATCH:
 154                 M_BRUSHDATA->m_vBundle.usSymbol = PATSYM_DIAG1;
 155                 break;
 156
 157             case wxCROSS_HATCH:
 158                 M_BRUSHDATA->m_vBundle.usSymbol = PATSYM_HATCH;
 159                 break;
 160
 161             case wxHORIZONTAL_HATCH:
 162                 M_BRUSHDATA->m_vBundle.usSymbol = PATSYM_HORIZ;
 163                 break;
 164
 165             case wxVERTICAL_HATCH:
 166                 M_BRUSHDATA->m_vBundle.usSymbol = PATSYM_VERT;
 167                 break;
 168
 169             case wxSTIPPLE:
 170                 if (M_BRUSHDATA->m_vStipple.Ok())
 171                 {
 172                     ::GpiSetBitmapId( M_BRUSHDATA->m_hBrush
 173                                      ,(USHORT)M_BRUSHDATA->m_vStipple.GetHBITMAP()
 174                                      ,(USHORT)M_BRUSHDATA->m_vStipple.GetId()
 175                                     );
 176                     ::GpiSetPatternSet( M_BRUSHDATA->m_hBrush
 177                                        ,(USHORT)M_BRUSHDATA->m_vStipple.GetId()
 178                                       );
 179                 }
 180                 else
 181                     M_BRUSHDATA->m_vBundle.usSymbol = PATSYM_SOLID;
 182                 break ;
 183
 184             case wxSOLID:
 185             default:
 186                 M_BRUSHDATA->m_vBundle.usSymbol = PATSYM_SOLID;
 187                 break;
 188         }
 189 #ifdef WXDEBUG_CREATE
 190         if (M_BRUSHDATA->m_hBrush==NULL) wxError("Cannot create brush","Internal error") ;
 191 #endif
 192         M_BRUSHDATA->m_vBundle.lColor        = vPmColour;
 193         M_BRUSHDATA->m_vBundle.lBackColor    = RGB_WHITE;
 194         M_BRUSHDATA->m_vBundle.usMixMode     = FM_OVERPAINT;
 195         M_BRUSHDATA->m_vBundle.usBackMixMode = BM_OVERPAINT;
 196
 197         bOk = (bool)::GpiSetAttrs( M_BRUSHDATA->m_hBrush
 198                                   ,PRIM_AREA
 199                                   ,ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE |
 200                                    ABB_SET | ABB_SYMBOL | ABB_REF_POINT
 201                                   ,ABB_SET | ABB_SYMBOL | ABB_REF_POINT
 202                                   ,&M_BRUSHDATA->m_vBundle
 203                                  );
 204         if (!bOk)
 205         {
 206             vError = ::WinGetLastError(vHabmain);
 207             sError = wxPMErrorToStr(vError);
 208             wxLogError(_T("Can't set Gpi attributes for an AREABUNDLE. Error: %s\n"), sError.c_str());
 209         }
 210         return bOk;
 211     }
 212     return false;
 213 } // end of wxBrush::RealizeResource
 214
 215 WXHANDLE wxBrush::GetResourceHandle() const
 216 {
 217     if (!M_BRUSHDATA)
 218         return 0;
 219     return (WXHANDLE)M_BRUSHDATA->m_hBrush;
 220 } // end of wxBrush::GetResourceHandle
 221
 222 bool wxBrush::FreeResource( bool WXUNUSED(bForce) )
 223 {
 224     if (M_BRUSHDATA && (M_BRUSHDATA->m_hBrush != 0))
 225     {
 226         M_BRUSHDATA->m_hBrush = 0;
 227         return true;
 228     }
 229     else return false;
 230 } // end of wxBrush::FreeResource
 231
 232 bool wxBrush::IsFree() const
 233 {
 234   return (M_BRUSHDATA && (M_BRUSHDATA->m_hBrush == 0));
 235 } // end of wxBrush::IsFree
 236
 237 void wxBrush::Unshare()
 238 {
 239     //
 240     // Don't change shared data
 241     //
 242     if (!m_refData)
 243     {
 244         m_refData = new wxBrushRefData();
 245     }
 246     else
 247     {
 248         wxBrushRefData* ref = new wxBrushRefData(*(wxBrushRefData*)m_refData);
 249         UnRef();
 250         m_refData = ref;
 251     }
 252 } // end of wxBrush::Unshare
 253
 254 void wxBrush::SetColour( const wxColour& rColour )
 255 {
 256     Unshare();
 257     M_BRUSHDATA->m_vColour = rColour;
 258     RealizeResource();
 259 }
 260
 261 void wxBrush::SetColour(unsigned char cRed, unsigned char cGreen, unsigned char cBlue)
 262 {
 263     Unshare();
 264     M_BRUSHDATA->m_vColour.Set( cRed, cGreen, cBlue );
 265     RealizeResource();
 266 } // end of wxBrush::SetColour
 267
 268 void wxBrush::SetStyle(int nStyle)
 269 {
 270     Unshare();
 271     M_BRUSHDATA->m_nStyle = nStyle;
 272     RealizeResource();
 273 } // end of wxBrush::SetStyle
 274
 275 void wxBrush::SetStipple(
 276   const wxBitmap&                   rStipple
 277 )
 278 {
 279     Unshare();
 280     M_BRUSHDATA->m_vStipple = rStipple;
 281     RealizeResource();
 282 } // end of wxBrush::SetStipple
 283
 284 void wxBrush::SetPS(
 285   HPS                               hPS
 286 )
 287 {
 288     Unshare();
 289     if (M_BRUSHDATA->m_hBrush)
 290         ::GpiDestroyPS(M_BRUSHDATA->m_hBrush);
 291     M_BRUSHDATA->m_hBrush = hPS;
 292     RealizeResource();
 293 } // end of WxWinGdi_CPen::SetPS
 294
 295
 296 bool wxBrush::operator == (
 297     const wxBrush& brush
 298 ) const
 299 {
 300     if (m_refData == brush.m_refData) return true;
 301
 302     if (!m_refData || !brush.m_refData) return false;
 303
 304     return ( *(wxBrushRefData*)m_refData == *(wxBrushRefData*)brush.m_refData );
 305 } // end of wxBrush::operator ==
 306