src/gtk/bitmap.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        bitmap.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "bitmap.h"
  13 #endif
  14
  15 #include "wx/bitmap.h"
  16 #include "gdk/gdkprivate.h"
  17
  18 #ifdef USE_GDK_IMLIB
  19 #include "gdk_imlib.h"
  20 #endif
  21
  22 //-----------------------------------------------------------------------------
  23 // wxMask
  24 //-----------------------------------------------------------------------------
  25
  26 IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
  27
  28 wxMask::wxMask(void)
  29 {
  30   m_bitmap = NULL;
  31 };
  32
  33 wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), const wxColour& WXUNUSED(colour) )
  34 {
  35 };
  36
  37 wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), const int WXUNUSED(paletteIndex) )
  38 {
  39 };
  40
  41 wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap) )
  42 {
  43 };
  44
  45 wxMask::~wxMask(void)
  46 {
  47 #ifdef USE_GDK_IMLIB
  48   // do not delete the mask, gdk_imlib does it for you
  49 #else
  50   if (m_bitmap) gdk_bitmap_unref( m_bitmap );
  51 #endif
  52 };
  53
  54 GdkBitmap *wxMask::GetBitmap(void) const
  55 {
  56   return m_bitmap;
  57 };
  58
  59 //-----------------------------------------------------------------------------
  60 // wxBitmap
  61 //-----------------------------------------------------------------------------
  62
  63 // CMB 20/5/98: added m_bitmap for GdkBitmaps
  64 class wxBitmapRefData: public wxObjectRefData
  65 {
  66   public:
  67
  68     wxBitmapRefData(void);
  69     ~wxBitmapRefData(void);
  70
  71     GdkPixmap      *m_pixmap;
  72     GdkBitmap      *m_bitmap;
  73     wxMask         *m_mask;
  74     int             m_width;
  75     int             m_height;
  76     int             m_bpp;
  77     wxPalette      *m_palette;
  78 };
  79
  80 wxBitmapRefData::wxBitmapRefData(void)
  81 {
  82   m_pixmap = NULL;
  83   m_bitmap = NULL;
  84   m_mask = NULL;
  85   m_width = 0;
  86   m_height = 0;
  87   m_bpp = 0;
  88   m_palette = NULL;
  89 };
  90
  91 wxBitmapRefData::~wxBitmapRefData(void)
  92 {
  93 #ifdef USE_GDK_IMLIB
  94   if (m_pixmap) gdk_imlib_free_pixmap( m_pixmap );
  95 #else
  96   if (m_pixmap) gdk_pixmap_unref( m_pixmap );
  97   if (m_bitmap) gdk_bitmap_unref( m_bitmap );
  98 #endif
  99   if (m_mask) delete m_mask;
 100   if (m_palette) delete m_palette;
 101 };
 102
 103 //-----------------------------------------------------------------------------
 104
 105 #define M_BMPDATA ((wxBitmapRefData *)m_refData)
 106
 107 IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
 108
 109 wxBitmap::wxBitmap(void)
 110 {
 111   if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 112 };
 113
 114 wxBitmap::wxBitmap( const int width, const int height, const int depth )
 115 {
 116   m_refData = new wxBitmapRefData();
 117   M_BMPDATA->m_mask = NULL;
 118   M_BMPDATA->m_pixmap =
 119     gdk_pixmap_new( (GdkWindow*) &gdk_root_parent, width, height, depth );
 120   gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
 121   M_BMPDATA->m_bpp = depth;
 122
 123   if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 124 };
 125
 126 wxBitmap::wxBitmap( char **bits )
 127 {
 128   m_refData = new wxBitmapRefData();
 129
 130   GdkBitmap *mask = NULL;
 131
 132 #ifndef USE_GDK_IMLIB
 133   M_BMPDATA->m_pixmap =
 134     gdk_pixmap_create_from_xpm_d( (GdkWindow*) &gdk_root_parent, &mask, NULL, (gchar **) bits );
 135 #else
 136   M_BMPDATA->m_pixmap = NULL;
 137   int res = gdk_imlib_data_to_pixmap( bits, &M_BMPDATA->m_pixmap, &mask );
 138 #endif
 139
 140   if (mask)
 141   {
 142     M_BMPDATA->m_mask = new wxMask();
 143     M_BMPDATA->m_mask->m_bitmap = mask;
 144   };
 145
 146   gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
 147   M_BMPDATA->m_bpp = 24; // ?
 148
 149   if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 150 };
 151
 152 wxBitmap::wxBitmap( const wxBitmap& bmp )
 153 {
 154   Ref( bmp );
 155
 156   if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 157 };
 158
 159 wxBitmap::wxBitmap( const wxBitmap* bmp )
 160 {
 161   if (bmp) Ref( *bmp );
 162
 163   if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 164 };
 165
 166 wxBitmap::wxBitmap( const wxString &filename, const int type )
 167 {
 168   LoadFile( filename, type );
 169 };
 170
 171 // CMB 15/5/98: add constructor for xbm bitmaps
 172 wxBitmap::wxBitmap( const char bits[], const int width, const int height, const int WXUNUSED(depth))
 173 {
 174   m_refData = new wxBitmapRefData();
 175
 176   M_BMPDATA->m_mask = NULL;
 177   M_BMPDATA->m_bitmap =
 178     gdk_bitmap_create_from_data( (GdkWindow*) &gdk_root_parent, (gchar *) bits, width, height );
 179   gdk_window_get_size( M_BMPDATA->m_bitmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
 180   M_BMPDATA->m_bpp = 1;
 181
 182   if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 183 }
 184
 185 wxBitmap::~wxBitmap(void)
 186 {
 187   if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this);
 188 };
 189
 190 wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
 191 {
 192   if (*this == bmp) return (*this);
 193   Ref( bmp );
 194   return *this;
 195 };
 196
 197 bool wxBitmap::operator == ( const wxBitmap& bmp )
 198 {
 199   return m_refData == bmp.m_refData;
 200 };
 201
 202 bool wxBitmap::operator != ( const wxBitmap& bmp )
 203 {
 204   return m_refData != bmp.m_refData;
 205 };
 206
 207 bool wxBitmap::Ok(void) const
 208 {
 209   return m_refData != NULL;
 210 };
 211
 212 int wxBitmap::GetHeight(void) const
 213 {
 214   if (!Ok()) return 0;
 215   return M_BMPDATA->m_height;
 216 };
 217
 218 int wxBitmap::GetWidth(void) const
 219 {
 220   if (!Ok()) return 0;
 221   return M_BMPDATA->m_width;
 222 };
 223
 224 int wxBitmap::GetDepth(void) const
 225 {
 226   if (!Ok()) return 0;
 227   return M_BMPDATA->m_bpp;
 228 };
 229
 230 void wxBitmap::SetHeight( const int height )
 231 {
 232   if (!Ok()) return;
 233   M_BMPDATA->m_height = height;
 234 };
 235
 236 void wxBitmap::SetWidth( const int width )
 237 {
 238   if (!Ok()) return;
 239   M_BMPDATA->m_width = width;
 240 };
 241
 242 void wxBitmap::SetDepth( const int depth )
 243 {
 244   if (!Ok()) return;
 245   M_BMPDATA->m_bpp = depth;
 246 };
 247
 248 wxMask *wxBitmap::GetMask(void) const
 249 {
 250   if (!Ok()) return NULL;
 251   return M_BMPDATA->m_mask;
 252 };
 253
 254 void wxBitmap::SetMask( wxMask *mask )
 255 {
 256   if (!Ok()) return;
 257   if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
 258   M_BMPDATA->m_mask = mask;
 259 };
 260
 261 bool wxBitmap::SaveFile( const wxString &WXUNUSED(name), const int WXUNUSED(type),
 262   wxPalette *WXUNUSED(palette) )
 263 {
 264   return FALSE;
 265 };
 266
 267 bool wxBitmap::LoadFile( const wxString &name, const int WXUNUSED(type) )
 268 {
 269 #ifdef USE_GDK_IMLIB
 270
 271   UnRef();
 272   m_refData = new wxBitmapRefData();
 273   M_BMPDATA->m_mask = NULL;
 274
 275   GdkBitmap *mask = NULL;
 276
 277   int res = gdk_imlib_load_file_to_pixmap( WXSTRINGCAST name, &M_BMPDATA->m_pixmap, &mask );
 278
 279   if (res != 1)
 280   {
 281     UnRef();
 282     return FALSE;
 283   };
 284
 285   if (mask)
 286   {
 287     M_BMPDATA->m_mask = new wxMask();
 288     M_BMPDATA->m_mask->m_bitmap = mask;
 289   }
 290
 291   gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
 292   M_BMPDATA->m_bpp = 24; // ?
 293
 294   return TRUE;
 295 #endif
 296
 297   return FALSE;
 298 };
 299
 300 wxPalette *wxBitmap::GetPalette(void) const
 301 {
 302   if (!Ok()) return NULL;
 303   return M_BMPDATA->m_palette;
 304 };
 305
 306 GdkPixmap *wxBitmap::GetPixmap(void) const
 307 {
 308   if (!Ok()) return NULL;
 309   return M_BMPDATA->m_pixmap;
 310 };
 311
 312 GdkBitmap *wxBitmap::GetBitmap(void) const
 313 {
 314   if (!Ok()) return NULL;
 315   return M_BMPDATA->m_bitmap;
 316 };
 317