| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: bitmap.cpp |
| 3 | // Purpose: wxBitmap |
| 4 | // Author: AUTHOR |
| 5 | // Modified by: |
| 6 | // Created: ??/??/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) AUTHOR |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifdef __GNUG__ |
| 13 | #pragma implementation "bitmap.h" |
| 14 | #endif |
| 15 | |
| 16 | #include "wx/setup.h" |
| 17 | #include "wx/utils.h" |
| 18 | #include "wx/palette.h" |
| 19 | #include "wx/bitmap.h" |
| 20 | #include "wx/icon.h" |
| 21 | #include "wx/log.h" |
| 22 | |
| 23 | IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject) |
| 24 | IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject) |
| 25 | |
| 26 | wxBitmapRefData::wxBitmapRefData() |
| 27 | { |
| 28 | m_ok = FALSE; |
| 29 | m_width = 0; |
| 30 | m_height = 0; |
| 31 | m_depth = 0; |
| 32 | m_quality = 0; |
| 33 | m_numColors = 0; |
| 34 | m_bitmapMask = NULL; |
| 35 | } |
| 36 | |
| 37 | wxBitmapRefData::~wxBitmapRefData() |
| 38 | { |
| 39 | /* |
| 40 | * TODO: delete the bitmap data here. |
| 41 | */ |
| 42 | |
| 43 | if (m_bitmapMask) |
| 44 | delete m_bitmapMask; |
| 45 | m_bitmapMask = NULL; |
| 46 | } |
| 47 | |
| 48 | wxList wxBitmap::sm_handlers; |
| 49 | |
| 50 | wxBitmap::wxBitmap() |
| 51 | { |
| 52 | m_refData = NULL; |
| 53 | |
| 54 | if ( wxTheBitmapList ) |
| 55 | wxTheBitmapList->AddBitmap(this); |
| 56 | } |
| 57 | |
| 58 | wxBitmap::~wxBitmap() |
| 59 | { |
| 60 | if (wxTheBitmapList) |
| 61 | wxTheBitmapList->DeleteObject(this); |
| 62 | } |
| 63 | |
| 64 | wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits) |
| 65 | { |
| 66 | m_refData = new wxBitmapRefData; |
| 67 | |
| 68 | M_BITMAPDATA->m_width = the_width ; |
| 69 | M_BITMAPDATA->m_height = the_height ; |
| 70 | M_BITMAPDATA->m_depth = no_bits ; |
| 71 | M_BITMAPDATA->m_numColors = 0; |
| 72 | |
| 73 | /* TODO: create the bitmap from data */ |
| 74 | |
| 75 | if ( wxTheBitmapList ) |
| 76 | wxTheBitmapList->AddBitmap(this); |
| 77 | } |
| 78 | |
| 79 | wxBitmap::wxBitmap(int w, int h, int d) |
| 80 | { |
| 81 | (void)Create(w, h, d); |
| 82 | |
| 83 | if ( wxTheBitmapList ) |
| 84 | wxTheBitmapList->AddBitmap(this); |
| 85 | } |
| 86 | |
| 87 | wxBitmap::wxBitmap(void *data, long type, int width, int height, int depth) |
| 88 | { |
| 89 | (void) Create(data, type, width, height, depth); |
| 90 | |
| 91 | if ( wxTheBitmapList ) |
| 92 | wxTheBitmapList->AddBitmap(this); |
| 93 | } |
| 94 | |
| 95 | wxBitmap::wxBitmap(const wxString& filename, long type) |
| 96 | { |
| 97 | LoadFile(filename, (int)type); |
| 98 | |
| 99 | if ( wxTheBitmapList ) |
| 100 | wxTheBitmapList->AddBitmap(this); |
| 101 | } |
| 102 | |
| 103 | /* TODO: maybe allow creation from XPM |
| 104 | // Create from data |
| 105 | wxBitmap::wxBitmap(const char **data) |
| 106 | { |
| 107 | (void) Create((void *)data, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0); |
| 108 | } |
| 109 | */ |
| 110 | |
| 111 | bool wxBitmap::Create(int w, int h, int d) |
| 112 | { |
| 113 | UnRef(); |
| 114 | |
| 115 | m_refData = new wxBitmapRefData; |
| 116 | |
| 117 | M_BITMAPDATA->m_width = w; |
| 118 | M_BITMAPDATA->m_height = h; |
| 119 | M_BITMAPDATA->m_depth = d; |
| 120 | |
| 121 | /* TODO: create new bitmap */ |
| 122 | |
| 123 | return M_BITMAPDATA->m_ok; |
| 124 | } |
| 125 | |
| 126 | bool wxBitmap::LoadFile(const wxString& filename, long type) |
| 127 | { |
| 128 | UnRef(); |
| 129 | |
| 130 | m_refData = new wxBitmapRefData; |
| 131 | |
| 132 | wxBitmapHandler *handler = FindHandler(type); |
| 133 | |
| 134 | if ( handler == NULL ) { |
| 135 | wxLogWarning("no bitmap handler for type %d defined.", type); |
| 136 | |
| 137 | return FALSE; |
| 138 | } |
| 139 | |
| 140 | return handler->LoadFile(this, filename, type, -1, -1); |
| 141 | } |
| 142 | |
| 143 | bool wxBitmap::Create(void *data, long type, int width, int height, int depth) |
| 144 | { |
| 145 | UnRef(); |
| 146 | |
| 147 | m_refData = new wxBitmapRefData; |
| 148 | |
| 149 | wxBitmapHandler *handler = FindHandler(type); |
| 150 | |
| 151 | if ( handler == NULL ) { |
| 152 | wxLogWarning("no bitmap handler for type %d defined.", type); |
| 153 | |
| 154 | return FALSE; |
| 155 | } |
| 156 | |
| 157 | return handler->Create(this, data, type, width, height, depth); |
| 158 | } |
| 159 | |
| 160 | bool wxBitmap::SaveFile(const wxString& filename, int type, const wxPalette *palette) |
| 161 | { |
| 162 | wxBitmapHandler *handler = FindHandler(type); |
| 163 | |
| 164 | if ( handler == NULL ) { |
| 165 | wxLogWarning("no bitmap handler for type %d defined.", type); |
| 166 | |
| 167 | return FALSE; |
| 168 | } |
| 169 | |
| 170 | return handler->SaveFile(this, filename, type, palette); |
| 171 | } |
| 172 | |
| 173 | void wxBitmap::SetWidth(int w) |
| 174 | { |
| 175 | if (!M_BITMAPDATA) |
| 176 | m_refData = new wxBitmapRefData; |
| 177 | |
| 178 | M_BITMAPDATA->m_width = w; |
| 179 | } |
| 180 | |
| 181 | void wxBitmap::SetHeight(int h) |
| 182 | { |
| 183 | if (!M_BITMAPDATA) |
| 184 | m_refData = new wxBitmapRefData; |
| 185 | |
| 186 | M_BITMAPDATA->m_height = h; |
| 187 | } |
| 188 | |
| 189 | void wxBitmap::SetDepth(int d) |
| 190 | { |
| 191 | if (!M_BITMAPDATA) |
| 192 | m_refData = new wxBitmapRefData; |
| 193 | |
| 194 | M_BITMAPDATA->m_depth = d; |
| 195 | } |
| 196 | |
| 197 | void wxBitmap::SetQuality(int q) |
| 198 | { |
| 199 | if (!M_BITMAPDATA) |
| 200 | m_refData = new wxBitmapRefData; |
| 201 | |
| 202 | M_BITMAPDATA->m_quality = q; |
| 203 | } |
| 204 | |
| 205 | void wxBitmap::SetOk(bool isOk) |
| 206 | { |
| 207 | if (!M_BITMAPDATA) |
| 208 | m_refData = new wxBitmapRefData; |
| 209 | |
| 210 | M_BITMAPDATA->m_ok = isOk; |
| 211 | } |
| 212 | |
| 213 | void wxBitmap::SetPalette(const wxPalette& palette) |
| 214 | { |
| 215 | if (!M_BITMAPDATA) |
| 216 | m_refData = new wxBitmapRefData; |
| 217 | |
| 218 | M_BITMAPDATA->m_bitmapPalette = palette ; |
| 219 | } |
| 220 | |
| 221 | void wxBitmap::SetMask(wxMask *mask) |
| 222 | { |
| 223 | if (!M_BITMAPDATA) |
| 224 | m_refData = new wxBitmapRefData; |
| 225 | |
| 226 | M_BITMAPDATA->m_bitmapMask = mask ; |
| 227 | } |
| 228 | |
| 229 | void wxBitmap::AddHandler(wxBitmapHandler *handler) |
| 230 | { |
| 231 | sm_handlers.Append(handler); |
| 232 | } |
| 233 | |
| 234 | void wxBitmap::InsertHandler(wxBitmapHandler *handler) |
| 235 | { |
| 236 | sm_handlers.Insert(handler); |
| 237 | } |
| 238 | |
| 239 | bool wxBitmap::RemoveHandler(const wxString& name) |
| 240 | { |
| 241 | wxBitmapHandler *handler = FindHandler(name); |
| 242 | if ( handler ) |
| 243 | { |
| 244 | sm_handlers.DeleteObject(handler); |
| 245 | return TRUE; |
| 246 | } |
| 247 | else |
| 248 | return FALSE; |
| 249 | } |
| 250 | |
| 251 | wxBitmapHandler *wxBitmap::FindHandler(const wxString& name) |
| 252 | { |
| 253 | wxNode *node = sm_handlers.First(); |
| 254 | while ( node ) |
| 255 | { |
| 256 | wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); |
| 257 | if ( handler->GetName() == name ) |
| 258 | return handler; |
| 259 | node = node->Next(); |
| 260 | } |
| 261 | return NULL; |
| 262 | } |
| 263 | |
| 264 | wxBitmapHandler *wxBitmap::FindHandler(const wxString& extension, long bitmapType) |
| 265 | { |
| 266 | wxNode *node = sm_handlers.First(); |
| 267 | while ( node ) |
| 268 | { |
| 269 | wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); |
| 270 | if ( handler->GetExtension() == extension && |
| 271 | (bitmapType == -1 || handler->GetType() == bitmapType) ) |
| 272 | return handler; |
| 273 | node = node->Next(); |
| 274 | } |
| 275 | return NULL; |
| 276 | } |
| 277 | |
| 278 | wxBitmapHandler *wxBitmap::FindHandler(long bitmapType) |
| 279 | { |
| 280 | wxNode *node = sm_handlers.First(); |
| 281 | while ( node ) |
| 282 | { |
| 283 | wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); |
| 284 | if (handler->GetType() == bitmapType) |
| 285 | return handler; |
| 286 | node = node->Next(); |
| 287 | } |
| 288 | return NULL; |
| 289 | } |
| 290 | |
| 291 | /* |
| 292 | * wxMask |
| 293 | */ |
| 294 | |
| 295 | wxMask::wxMask() |
| 296 | { |
| 297 | /* TODO |
| 298 | m_maskBitmap = 0; |
| 299 | */ |
| 300 | } |
| 301 | |
| 302 | // Construct a mask from a bitmap and a colour indicating |
| 303 | // the transparent area |
| 304 | wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour) |
| 305 | { |
| 306 | /* TODO |
| 307 | m_maskBitmap = 0; |
| 308 | */ |
| 309 | Create(bitmap, colour); |
| 310 | } |
| 311 | |
| 312 | // Construct a mask from a bitmap and a palette index indicating |
| 313 | // the transparent area |
| 314 | wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex) |
| 315 | { |
| 316 | /* TODO |
| 317 | m_maskBitmap = 0; |
| 318 | */ |
| 319 | |
| 320 | Create(bitmap, paletteIndex); |
| 321 | } |
| 322 | |
| 323 | // Construct a mask from a mono bitmap (copies the bitmap). |
| 324 | wxMask::wxMask(const wxBitmap& bitmap) |
| 325 | { |
| 326 | /* TODO |
| 327 | m_maskBitmap = 0; |
| 328 | */ |
| 329 | |
| 330 | Create(bitmap); |
| 331 | } |
| 332 | |
| 333 | wxMask::~wxMask() |
| 334 | { |
| 335 | // TODO: delete mask bitmap |
| 336 | } |
| 337 | |
| 338 | // Create a mask from a mono bitmap (copies the bitmap). |
| 339 | bool wxMask::Create(const wxBitmap& bitmap) |
| 340 | { |
| 341 | // TODO |
| 342 | return FALSE; |
| 343 | } |
| 344 | |
| 345 | // Create a mask from a bitmap and a palette index indicating |
| 346 | // the transparent area |
| 347 | bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex) |
| 348 | { |
| 349 | // TODO |
| 350 | return FALSE; |
| 351 | } |
| 352 | |
| 353 | // Create a mask from a bitmap and a colour indicating |
| 354 | // the transparent area |
| 355 | bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour) |
| 356 | { |
| 357 | // TODO |
| 358 | return FALSE; |
| 359 | } |
| 360 | |
| 361 | /* |
| 362 | * wxBitmapHandler |
| 363 | */ |
| 364 | |
| 365 | IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject) |
| 366 | |
| 367 | bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth) |
| 368 | { |
| 369 | return FALSE; |
| 370 | } |
| 371 | |
| 372 | bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long type, |
| 373 | int desiredWidth, int desiredHeight) |
| 374 | { |
| 375 | return FALSE; |
| 376 | } |
| 377 | |
| 378 | bool wxBitmapHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette) |
| 379 | { |
| 380 | return FALSE; |
| 381 | } |
| 382 | |
| 383 | /* |
| 384 | * Standard handlers |
| 385 | */ |
| 386 | |
| 387 | /* TODO: bitmap handlers, a bit like this: |
| 388 | class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler |
| 389 | { |
| 390 | DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler) |
| 391 | public: |
| 392 | inline wxBMPResourceHandler() |
| 393 | { |
| 394 | m_name = "Windows bitmap resource"; |
| 395 | m_extension = ""; |
| 396 | m_type = wxBITMAP_TYPE_BMP_RESOURCE; |
| 397 | }; |
| 398 | |
| 399 | virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags, |
| 400 | int desiredWidth, int desiredHeight); |
| 401 | }; |
| 402 | IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler) |
| 403 | */ |
| 404 | |
| 405 | void wxBitmap::CleanUpHandlers() |
| 406 | { |
| 407 | wxNode *node = sm_handlers.First(); |
| 408 | while ( node ) |
| 409 | { |
| 410 | wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); |
| 411 | wxNode *next = node->Next(); |
| 412 | delete handler; |
| 413 | delete node; |
| 414 | node = next; |
| 415 | } |
| 416 | } |
| 417 | |
| 418 | void wxBitmap::InitStandardHandlers() |
| 419 | { |
| 420 | /* TODO: initialize all standard bitmap or derive class handlers here. |
| 421 | AddHandler(new wxBMPResourceHandler); |
| 422 | AddHandler(new wxBMPFileHandler); |
| 423 | AddHandler(new wxXPMFileHandler); |
| 424 | AddHandler(new wxXPMDataHandler); |
| 425 | AddHandler(new wxICOResourceHandler); |
| 426 | AddHandler(new wxICOFileHandler); |
| 427 | */ |
| 428 | } |