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/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), 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 #ifdef USE_GDK_IMLIB
  78     GdkImlibImage  *m_image;
  79 #endif
  80     wxPalette      *m_palette;
  81 };
  82
  83 wxBitmapRefData::wxBitmapRefData(void)
  84 {
  85   m_pixmap = NULL;
  86   m_bitmap = NULL;
  87   m_mask = NULL;
  88   m_width = 0;
  89   m_height = 0;
  90   m_bpp = 0;
  91   m_palette = NULL;
  92 };
  93
  94 wxBitmapRefData::~wxBitmapRefData(void)
  95 {
  96 #ifdef USE_GDK_IMLIB
  97   if (m_pixmap) gdk_imlib_free_pixmap( m_pixmap );
  98   if (m_image) gdk_imlib_destroy_image( m_image );
  99 #else
 100   if (m_pixmap) gdk_pixmap_unref( m_pixmap );
 101 #endif
 102   if (m_bitmap) gdk_bitmap_unref( m_bitmap );
 103   if (m_mask) delete m_mask;
 104   if (m_palette) delete m_palette;
 105 };
 106
 107 //-----------------------------------------------------------------------------
 108
 109 #define M_BMPDATA ((wxBitmapRefData *)m_refData)
 110
 111 IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
 112
 113 wxBitmap::wxBitmap(void)
 114 {
 115   if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 116 };
 117
 118 wxBitmap::wxBitmap( int width, int height, int depth )
 119 {
 120   m_refData = new wxBitmapRefData();
 121   M_BMPDATA->m_mask = NULL;
 122   M_BMPDATA->m_pixmap =
 123     gdk_pixmap_new( (GdkWindow*) &gdk_root_parent, width, height, depth );
 124   gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
 125   M_BMPDATA->m_bpp = depth;
 126
 127   if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 128 };
 129
 130 wxBitmap::wxBitmap( char **bits )
 131 {
 132   m_refData = new wxBitmapRefData();
 133
 134 #ifndef USE_GDK_IMLIB
 135
 136   GdkBitmap *mask = NULL;
 137
 138   M_BMPDATA->m_pixmap =
 139     gdk_pixmap_create_from_xpm_d( (GdkWindow*) &gdk_root_parent, &mask, NULL, (gchar **) bits );
 140
 141   if (mask)
 142   {
 143     M_BMPDATA->m_mask = new wxMask();
 144     M_BMPDATA->m_mask->m_bitmap = mask;
 145   };
 146
 147 #else
 148
 149   M_BMPDATA->m_image = gdk_imlib_create_image_from_xpm_data( bits );
 150   Render();
 151
 152 #endif
 153
 154   gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
 155   M_BMPDATA->m_bpp = 24; // ?
 156
 157   if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 158 };
 159
 160 wxBitmap::wxBitmap( const wxBitmap& bmp )
 161 {
 162   Ref( bmp );
 163
 164   if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 165 };
 166
 167 wxBitmap::wxBitmap( const wxBitmap* bmp )
 168 {
 169   if (bmp) Ref( *bmp );
 170
 171   if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 172 };
 173
 174 wxBitmap::wxBitmap( const wxString &filename, int type )
 175 {
 176   LoadFile( filename, type );
 177 };
 178
 179 // CMB 15/5/98: add constructor for xbm bitmaps
 180 wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))
 181 {
 182   m_refData = new wxBitmapRefData();
 183
 184   M_BMPDATA->m_mask = NULL;
 185   M_BMPDATA->m_bitmap =
 186     gdk_bitmap_create_from_data( (GdkWindow*) &gdk_root_parent, (gchar *) bits, width, height );
 187   gdk_window_get_size( M_BMPDATA->m_bitmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
 188   M_BMPDATA->m_bpp = 1;
 189
 190   if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 191 }
 192
 193 wxBitmap::~wxBitmap(void)
 194 {
 195   if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this);
 196 };
 197
 198 wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
 199 {
 200   if (*this == bmp) return (*this);
 201   Ref( bmp );
 202   return *this;
 203 };
 204
 205 bool wxBitmap::operator == ( const wxBitmap& bmp )
 206 {
 207   return m_refData == bmp.m_refData;
 208 };
 209
 210 bool wxBitmap::operator != ( const wxBitmap& bmp )
 211 {
 212   return m_refData != bmp.m_refData;
 213 };
 214
 215 bool wxBitmap::Ok(void) const
 216 {
 217   return m_refData != NULL;
 218 };
 219
 220 int wxBitmap::GetHeight(void) const
 221 {
 222   if (!Ok()) return 0;
 223   return M_BMPDATA->m_height;
 224 };
 225
 226 int wxBitmap::GetWidth(void) const
 227 {
 228   if (!Ok()) return 0;
 229   return M_BMPDATA->m_width;
 230 };
 231
 232 int wxBitmap::GetDepth(void) const
 233 {
 234   if (!Ok()) return 0;
 235   return M_BMPDATA->m_bpp;
 236 };
 237
 238 void wxBitmap::SetHeight( int height )
 239 {
 240   if (!Ok()) return;
 241   M_BMPDATA->m_height = height;
 242 };
 243
 244 void wxBitmap::SetWidth( int width )
 245 {
 246   if (!Ok()) return;
 247   M_BMPDATA->m_width = width;
 248 };
 249
 250 void wxBitmap::SetDepth( int depth )
 251 {
 252   if (!Ok()) return;
 253   M_BMPDATA->m_bpp = depth;
 254 };
 255
 256 wxMask *wxBitmap::GetMask(void) const
 257 {
 258   if (!Ok()) return NULL;
 259
 260   return M_BMPDATA->m_mask;
 261 };
 262
 263 void wxBitmap::SetMask( wxMask *mask )
 264 {
 265   if (!Ok()) return;
 266
 267   if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
 268   M_BMPDATA->m_mask = mask;
 269 };
 270
 271 void wxBitmap::Resize( int height, int width )
 272 {
 273   if (!Ok()) return;
 274
 275   return;
 276
 277 #ifdef USE_GDK_IMLIB
 278
 279   if (M_BMPDATA->m_bitmap) return;  // not supported for bitmaps
 280
 281   if (!M_BMPDATA->m_image) RecreateImage();
 282
 283   if (M_BMPDATA->m_pixmap) gdk_imlib_free_pixmap( M_BMPDATA->m_pixmap );
 284   if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
 285
 286   GdkImlibImage* image = gdk_imlib_clone_scaled_image( M_BMPDATA->m_image, height, width );
 287   gdk_imlib_destroy_image( M_BMPDATA->m_image );
 288   M_BMPDATA->m_image = image;
 289   M_BMPDATA->m_height = height;
 290   M_BMPDATA->m_width = width;
 291
 292   Render();
 293
 294 #endif
 295 };
 296
 297 bool wxBitmap::SaveFile( const wxString &name, int WXUNUSED(type),
 298   wxPalette *WXUNUSED(palette) )
 299 {
 300 #ifdef USE_GDK_IMLIB
 301
 302   if (!Ok()) return FALSE;
 303
 304   if (!M_BMPDATA->m_image) RecreateImage();
 305
 306   return gdk_imlib_save_image( M_BMPDATA->m_image, WXSTRINGCAST name, NULL );
 307
 308 #endif
 309
 310   return FALSE;
 311 };
 312
 313 bool wxBitmap::LoadFile( const wxString &name, int WXUNUSED(type) )
 314 {
 315 #ifdef USE_GDK_IMLIB
 316
 317   UnRef();
 318   m_refData = new wxBitmapRefData();
 319
 320   M_BMPDATA->m_image = gdk_imlib_load_image( WXSTRINGCAST name );
 321
 322   if (!M_BMPDATA->m_image)
 323   {
 324     UnRef();
 325     return FALSE;
 326   };
 327
 328   Render();
 329
 330   gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
 331   M_BMPDATA->m_bpp = 24; // ?
 332
 333   return TRUE;
 334 #endif
 335
 336   return FALSE;
 337 };
 338
 339 wxPalette *wxBitmap::GetPalette(void) const
 340 {
 341   if (!Ok()) return NULL;
 342   return M_BMPDATA->m_palette;
 343 };
 344
 345 GdkPixmap *wxBitmap::GetPixmap(void) const
 346 {
 347   if (!Ok()) return NULL;
 348   return M_BMPDATA->m_pixmap;
 349 };
 350
 351 GdkBitmap *wxBitmap::GetBitmap(void) const
 352 {
 353   if (!Ok()) return NULL;
 354
 355   return M_BMPDATA->m_bitmap;
 356 };
 357
 358 void wxBitmap::DestroyImage(void)
 359 {
 360   if (!Ok()) return;
 361
 362   if (M_BMPDATA->m_image)
 363   {
 364     gdk_imlib_destroy_image( M_BMPDATA->m_image );
 365     M_BMPDATA->m_image = NULL;
 366   };
 367 };
 368
 369 void wxBitmap::RecreateImage(void)
 370 {
 371 };
 372
 373 void wxBitmap::Render(void)
 374 {
 375   if (!Ok()) return;
 376
 377 #ifdef USE_GDK_IMLIB
 378
 379   gdk_imlib_render( M_BMPDATA->m_image, M_BMPDATA->m_image->rgb_width, M_BMPDATA->m_image->rgb_height );
 380
 381   M_BMPDATA->m_pixmap = gdk_imlib_move_image( M_BMPDATA->m_image );
 382   GdkBitmap *mask = gdk_imlib_move_mask( M_BMPDATA->m_image );
 383   if (mask)
 384   {
 385     M_BMPDATA->m_mask = new wxMask();
 386     M_BMPDATA->m_mask->m_bitmap = mask;
 387   };
 388
 389 #endif
 390 };
 391
 392