src/os2/brush.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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/setup.h"
  18 #include "wx/list.h"
  19 #include "wx/utils.h"
  20 #include "wx/app.h"
  21 #include "wx/brush.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_style = wxSOLID;
  33     m_hBrush = 0;
  34 }
  35
  36 wxBrushRefData::wxBrushRefData(const wxBrushRefData& data)
  37 {
  38     m_style = data.m_style;
  39     m_stipple = data.m_stipple;
  40     m_colour = data.m_colour;
  41     m_hBrush = 0;
  42 }
  43
  44 wxBrushRefData::~wxBrushRefData()
  45 {
  46 // TODO: delete data
  47 }
  48
  49 // Brushes
  50 wxBrush::wxBrush()
  51 {
  52     if ( wxTheBrushList )
  53         wxTheBrushList->AddBrush(this);
  54 }
  55
  56 wxBrush::~wxBrush()
  57 {
  58     if ( wxTheBrushList )
  59         wxTheBrushList->RemoveBrush(this);
  60 }
  61
  62 wxBrush::wxBrush(const wxColour& col, int Style)
  63 {
  64     m_refData = new wxBrushRefData;
  65
  66     M_BRUSHDATA->m_colour = col;
  67     M_BRUSHDATA->m_style = Style;
  68     M_BRUSHDATA->m_hBrush = 0;
  69
  70     RealizeResource();
  71
  72     if ( wxTheBrushList )
  73         wxTheBrushList->AddBrush(this);
  74 }
  75
  76 wxBrush::wxBrush(const wxBitmap& stipple)
  77 {
  78     m_refData = new wxBrushRefData;
  79
  80     M_BRUSHDATA->m_style = wxSTIPPLE;
  81     M_BRUSHDATA->m_stipple = stipple;
  82     M_BRUSHDATA->m_hBrush = 0;
  83
  84     RealizeResource();
  85
  86     if ( wxTheBrushList )
  87         wxTheBrushList->AddBrush(this);
  88 }
  89
  90 bool wxBrush::RealizeResource(void)
  91 {
  92 // TODO:
  93 /*
  94     if (M_BRUSHDATA && (M_BRUSHDATA->m_hBrush == 0))
  95     {
  96         if (M_BRUSHDATA->m_style==wxTRANSPARENT)
  97         {
  98             M_BRUSHDATA->m_hBrush = (WXHBRUSH) ::GetStockObject(NULL_BRUSH);
  99             return TRUE;
 100         }
 101         COLORREF ms_colour = 0 ;
 102
 103         ms_colour = M_BRUSHDATA->m_colour.GetPixel() ;
 104
 105         switch (M_BRUSHDATA->m_style)
 106         {
 107 //
 108     // Don't reset cbrush, wxTRANSPARENT is handled by wxBrush::SelectBrush()
 109     // this could save (many) time if frequently switching from
 110     // wxSOLID to wxTRANSPARENT, because Create... is not always called!!
 111     //
 112     // NB August 95: now create and select a Null brush instead.
 113     // This could be optimized as above.
 114     case wxTRANSPARENT:
 115       M_BRUSHDATA->m_hBrush = NULL;  // Must always select a suitable background brush
 116                       // - could choose white always for a quick solution
 117       break;
 118 //
 119             case wxBDIAGONAL_HATCH:
 120                 M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateHatchBrush(HS_BDIAGONAL,ms_colour) ;
 121                 break ;
 122
 123             case wxCROSSDIAG_HATCH:
 124                 M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateHatchBrush(HS_DIAGCROSS,ms_colour) ;
 125                 break ;
 126
 127             case wxFDIAGONAL_HATCH:
 128                 M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateHatchBrush(HS_FDIAGONAL,ms_colour) ;
 129                 break ;
 130
 131             case wxCROSS_HATCH:
 132                 M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateHatchBrush(HS_CROSS,ms_colour) ;
 133                 break ;
 134
 135             case wxHORIZONTAL_HATCH:
 136                 M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateHatchBrush(HS_HORIZONTAL,ms_colour) ;
 137                 break ;
 138
 139             case wxVERTICAL_HATCH:
 140                 M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateHatchBrush(HS_VERTICAL,ms_colour) ;
 141                 break ;
 142
 143             case wxSTIPPLE:
 144                 if (M_BRUSHDATA->m_stipple.Ok())
 145                     M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreatePatternBrush((HBITMAP) M_BRUSHDATA->m_stipple.GetHBITMAP()) ;
 146                 else
 147                     M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateSolidBrush(ms_colour) ;
 148                 break ;
 149
 150             case wxSOLID:
 151             default:
 152                 M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateSolidBrush(ms_colour) ;
 153                 break;
 154         }
 155 #ifdef WXDEBUG_CREATE
 156         if (M_BRUSHDATA->m_hBrush==NULL) wxError("Cannot create brush","Internal error") ;
 157 #endif
 158         return TRUE;
 159     }
 160     else
 161         return FALSE;
 162 */
 163     return FALSE;
 164 }
 165
 166 WXHANDLE wxBrush::GetResourceHandle(void)
 167 {
 168   return (WXHANDLE) M_BRUSHDATA->m_hBrush;
 169 }
 170
 171 bool wxBrush::FreeResource(bool WXUNUSED(force))
 172 {
 173     if (M_BRUSHDATA && (M_BRUSHDATA->m_hBrush != 0))
 174     {
 175 // TODO    DeleteObject((HBRUSH) M_BRUSHDATA->m_hBrush);
 176         M_BRUSHDATA->m_hBrush = 0;
 177         return TRUE;
 178     }
 179     else return FALSE;
 180 }
 181
 182 bool wxBrush::IsFree() const
 183 {
 184   return (M_BRUSHDATA && (M_BRUSHDATA->m_hBrush == 0));
 185 }
 186
 187 void wxBrush::Unshare()
 188 {
 189     // Don't change shared data
 190     if (!m_refData)
 191     {
 192         m_refData = new wxBrushRefData();
 193     }
 194     else
 195     {
 196         wxBrushRefData* ref = new wxBrushRefData(*(wxBrushRefData*)m_refData);
 197         UnRef();
 198         m_refData = ref;
 199     }
 200 }
 201
 202 void wxBrush::SetColour(const wxColour& col)
 203 {
 204     Unshare();
 205
 206     M_BRUSHDATA->m_colour = col;
 207
 208     RealizeResource();
 209 }
 210
 211 void wxBrush::SetColour(unsigned char r, unsigned char g, unsigned char b)
 212 {
 213     Unshare();
 214
 215     M_BRUSHDATA->m_colour.Set(r, g, b);
 216
 217     RealizeResource();
 218 }
 219
 220 void wxBrush::SetStyle(int Style)
 221 {
 222     Unshare();
 223
 224     M_BRUSHDATA->m_style = Style;
 225
 226     RealizeResource();
 227 }
 228
 229 void wxBrush::SetStipple(const wxBitmap& Stipple)
 230 {
 231     Unshare();
 232
 233     M_BRUSHDATA->m_stipple = Stipple;
 234
 235     RealizeResource();
 236 }
 237