| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/mac/carbon/bitmap.cpp |
| 3 | // Purpose: wxBitmap |
| 4 | // Author: Stefan Csomor |
| 5 | // Modified by: |
| 6 | // Created: 1998-01-01 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Stefan Csomor |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #include "wx/wxprec.h" |
| 13 | |
| 14 | #include "wx/bitmap.h" |
| 15 | |
| 16 | #ifndef WX_PRECOMP |
| 17 | #include "wx/log.h" |
| 18 | #include "wx/dcmemory.h" |
| 19 | #include "wx/icon.h" |
| 20 | #include "wx/image.h" |
| 21 | #endif |
| 22 | |
| 23 | #include "wx/metafile.h" |
| 24 | #include "wx/xpmdecod.h" |
| 25 | |
| 26 | #include "wx/rawbmp.h" |
| 27 | |
| 28 | IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject) |
| 29 | IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject) |
| 30 | |
| 31 | #ifdef __DARWIN__ |
| 32 | #include <ApplicationServices/ApplicationServices.h> |
| 33 | #else |
| 34 | #include <PictUtils.h> |
| 35 | #endif |
| 36 | |
| 37 | #include "wx/mac/uma.h" |
| 38 | |
| 39 | // Implementation Notes |
| 40 | // -------------------- |
| 41 | // |
| 42 | // we are always working with a 32 bit deep pixel buffer |
| 43 | // under QuickDraw its alpha parts are going to be ignored in the GWorld, |
| 44 | // therefore we have a separate GWorld there for blitting the mask in |
| 45 | |
| 46 | // under Quartz then content is transformed into a CGImageRef representing the same data |
| 47 | // which can be transferred to the GPU by the OS for fast rendering |
| 48 | |
| 49 | // we don't dare use premultiplied alpha yet |
| 50 | #define wxMAC_USE_PREMULTIPLIED_ALPHA 0 |
| 51 | |
| 52 | #if wxUSE_BMPBUTTON |
| 53 | |
| 54 | void wxMacCreateBitmapButton( ControlButtonContentInfo*info , const wxBitmap& bitmap , int forceType ) |
| 55 | { |
| 56 | memset( info , 0 , sizeof(ControlButtonContentInfo) ) ; |
| 57 | if ( bitmap.Ok() ) |
| 58 | { |
| 59 | wxBitmapRefData * bmap = bitmap.GetBitmapData() ; |
| 60 | if ( bmap == NULL ) |
| 61 | return ; |
| 62 | |
| 63 | if ( ( bmap->HasNativeSize() && forceType == 0 ) || forceType == kControlContentIconRef ) |
| 64 | { |
| 65 | wxBitmap scaleBmp ; |
| 66 | wxBitmapRefData* bmp = bmap ; |
| 67 | |
| 68 | if ( !bmap->HasNativeSize() ) |
| 69 | { |
| 70 | // as PICT conversion will only result in a 16x16 icon, let's attempt |
| 71 | // a few scales for better results |
| 72 | |
| 73 | int w = bitmap.GetWidth() ; |
| 74 | int h = bitmap.GetHeight() ; |
| 75 | int sz = wxMax( w , h ) ; |
| 76 | if ( sz == 24 || sz == 64 ) |
| 77 | { |
| 78 | scaleBmp = wxBitmap( bitmap.ConvertToImage().Scale( w * 2 , h * 2 ) ) ; |
| 79 | bmp = scaleBmp.GetBitmapData() ; |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | info->contentType = kControlContentIconRef ; |
| 84 | info->u.iconRef = bmp->GetIconRef() ; |
| 85 | AcquireIconRef( info->u.iconRef ) ; |
| 86 | } |
| 87 | #if defined( __WXMAC_OSX__ ) && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 |
| 88 | else if ( forceType == kControlContentCGImageRef ) |
| 89 | { |
| 90 | info->contentType = kControlContentCGImageRef ; |
| 91 | info->u.imageRef = (CGImageRef) bmap->CGImageCreate() ; |
| 92 | } |
| 93 | #endif |
| 94 | else |
| 95 | { |
| 96 | #ifndef __LP64__ |
| 97 | info->contentType = kControlContentPictHandle ; |
| 98 | info->u.picture = bmap->GetPictHandle() ; |
| 99 | #endif |
| 100 | } |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | void wxMacReleaseBitmapButton( ControlButtonContentInfo*info ) |
| 105 | { |
| 106 | if ( info->contentType == kControlContentIconRef ) |
| 107 | { |
| 108 | ReleaseIconRef( info->u.iconRef ) ; |
| 109 | } |
| 110 | else if ( info->contentType == kControlNoContent ) |
| 111 | { |
| 112 | // there's no bitmap at all, fall through silently |
| 113 | } |
| 114 | else if ( info->contentType == kControlContentPictHandle ) |
| 115 | { |
| 116 | // owned by the bitmap, no release here |
| 117 | } |
| 118 | #if defined( __WXMAC_OSX__ ) && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 |
| 119 | else if ( info->contentType == kControlContentCGImageRef ) |
| 120 | { |
| 121 | CGImageRelease( info->u.imageRef ) ; |
| 122 | } |
| 123 | #endif |
| 124 | else |
| 125 | { |
| 126 | wxFAIL_MSG(wxT("Unexpected bitmap type") ) ; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | #endif //wxUSE_BMPBUTTON |
| 131 | |
| 132 | #define M_BITMAPDATA ((wxBitmapRefData *)m_refData) |
| 133 | |
| 134 | void wxBitmapRefData::Init() |
| 135 | { |
| 136 | m_width = 0 ; |
| 137 | m_height = 0 ; |
| 138 | m_depth = 0 ; |
| 139 | m_ok = false ; |
| 140 | m_bitmapMask = NULL ; |
| 141 | |
| 142 | #ifdef __WXMAC_OSX__ |
| 143 | m_cgImageRef = NULL ; |
| 144 | #endif |
| 145 | |
| 146 | m_iconRef = NULL ; |
| 147 | m_pictHandle = NULL ; |
| 148 | m_hBitmap = NULL ; |
| 149 | m_hMaskBitmap = NULL; |
| 150 | m_maskBytesPerRow = 0 ; |
| 151 | |
| 152 | m_rawAccessCount = 0 ; |
| 153 | m_hasAlpha = false; |
| 154 | } |
| 155 | |
| 156 | wxBitmapRefData::wxBitmapRefData() |
| 157 | { |
| 158 | Init() ; |
| 159 | } |
| 160 | |
| 161 | wxBitmapRefData::wxBitmapRefData( int w , int h , int d ) |
| 162 | { |
| 163 | Init() ; |
| 164 | Create( w , h , d ) ; |
| 165 | } |
| 166 | |
| 167 | bool wxBitmapRefData::Create( int w , int h , int d ) |
| 168 | { |
| 169 | m_width = wxMax(1, w); |
| 170 | m_height = wxMax(1, h); |
| 171 | m_depth = d ; |
| 172 | |
| 173 | m_bytesPerRow = w * 4 ; |
| 174 | size_t size = m_bytesPerRow * h ; |
| 175 | void* data = m_memBuf.GetWriteBuf( size ) ; |
| 176 | memset( data , 0 , size ) ; |
| 177 | m_memBuf.UngetWriteBuf( size ) ; |
| 178 | |
| 179 | m_hBitmap = NULL ; |
| 180 | Rect rect = { 0 , 0 , m_height , m_width } ; |
| 181 | #ifndef __LP64__ |
| 182 | verify_noerr( NewGWorldFromPtr( (GWorldPtr*) &m_hBitmap , k32ARGBPixelFormat , &rect , NULL , NULL , 0 , |
| 183 | (char*) data , m_bytesPerRow ) ) ; |
| 184 | wxASSERT_MSG( m_hBitmap , wxT("Unable to create GWorld context") ) ; |
| 185 | #endif |
| 186 | m_ok = ( m_hBitmap != NULL ) ; |
| 187 | |
| 188 | return m_ok ; |
| 189 | } |
| 190 | |
| 191 | void wxBitmapRefData::UseAlpha( bool use ) |
| 192 | { |
| 193 | if ( m_hasAlpha == use ) |
| 194 | return ; |
| 195 | |
| 196 | m_hasAlpha = use ; |
| 197 | if ( m_hasAlpha ) |
| 198 | { |
| 199 | wxASSERT( m_hMaskBitmap == NULL ) ; |
| 200 | |
| 201 | int width = GetWidth() ; |
| 202 | int height = GetHeight() ; |
| 203 | m_maskBytesPerRow = ( width * 4 + 3 ) & 0xFFFFFFC ; |
| 204 | size_t size = height * m_maskBytesPerRow ; |
| 205 | unsigned char * data = (unsigned char * ) m_maskMemBuf.GetWriteBuf( size ) ; |
| 206 | wxASSERT( data != NULL ) ; |
| 207 | |
| 208 | memset( data , 0 , size ) ; |
| 209 | Rect rect = { 0 , 0 , height , width } ; |
| 210 | #ifndef __LP64__ |
| 211 | verify_noerr( NewGWorldFromPtr( (GWorldPtr*) &m_hMaskBitmap , k32ARGBPixelFormat , &rect , NULL , NULL , 0 , |
| 212 | (char*) data , m_maskBytesPerRow ) ) ; |
| 213 | wxASSERT_MSG( m_hMaskBitmap , wxT("Unable to create GWorld context for alpha mask") ) ; |
| 214 | #endif |
| 215 | m_maskMemBuf.UngetWriteBuf(size) ; |
| 216 | |
| 217 | #if !wxMAC_USE_CORE_GRAPHICS |
| 218 | UpdateAlphaMask() ; |
| 219 | #endif |
| 220 | } |
| 221 | else |
| 222 | { |
| 223 | #ifndef __LP64__ |
| 224 | DisposeGWorld( m_hMaskBitmap ) ; |
| 225 | #endif |
| 226 | m_hMaskBitmap = NULL ; |
| 227 | m_maskBytesPerRow = 0 ; |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | void *wxBitmapRefData::GetRawAccess() const |
| 232 | { |
| 233 | wxCHECK_MSG( Ok(), NULL , wxT("invalid bitmap") ) ; |
| 234 | return m_memBuf.GetData() ; |
| 235 | } |
| 236 | |
| 237 | void *wxBitmapRefData::BeginRawAccess() |
| 238 | { |
| 239 | wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") ) ; |
| 240 | wxASSERT( m_rawAccessCount == 0 ) ; |
| 241 | wxASSERT_MSG( m_pictHandle == NULL && m_iconRef == NULL , |
| 242 | wxT("Currently, modifing bitmaps that are used in controls already is not supported") ) ; |
| 243 | |
| 244 | ++m_rawAccessCount ; |
| 245 | |
| 246 | #ifdef __WXMAC_OSX__ |
| 247 | // we must destroy an existing cached image, as |
| 248 | // the bitmap data may change now |
| 249 | if ( m_cgImageRef ) |
| 250 | { |
| 251 | CGImageRelease( m_cgImageRef ) ; |
| 252 | m_cgImageRef = NULL ; |
| 253 | } |
| 254 | #endif |
| 255 | |
| 256 | return m_memBuf.GetData() ; |
| 257 | } |
| 258 | |
| 259 | void wxBitmapRefData::EndRawAccess() |
| 260 | { |
| 261 | wxCHECK_RET( Ok() , wxT("invalid bitmap") ) ; |
| 262 | wxASSERT( m_rawAccessCount == 1 ) ; |
| 263 | |
| 264 | --m_rawAccessCount ; |
| 265 | |
| 266 | #if !wxMAC_USE_CORE_GRAPHICS |
| 267 | UpdateAlphaMask() ; |
| 268 | #endif |
| 269 | } |
| 270 | |
| 271 | bool wxBitmapRefData::HasNativeSize() |
| 272 | { |
| 273 | int w = GetWidth() ; |
| 274 | int h = GetHeight() ; |
| 275 | int sz = wxMax( w , h ) ; |
| 276 | |
| 277 | return ( sz == 128 || sz == 48 || sz == 32 || sz == 16 ); |
| 278 | } |
| 279 | |
| 280 | IconRef wxBitmapRefData::GetIconRef() |
| 281 | { |
| 282 | if ( m_iconRef == NULL ) |
| 283 | { |
| 284 | // Create Icon Family Handle |
| 285 | |
| 286 | IconFamilyHandle iconFamily = NULL ; |
| 287 | |
| 288 | #ifdef WORDS_BIGENDIAN |
| 289 | iconFamily = (IconFamilyHandle) NewHandle( 8 ) ; |
| 290 | (**iconFamily).resourceType = kIconFamilyType ; |
| 291 | (**iconFamily).resourceSize = sizeof(OSType) + sizeof(Size); |
| 292 | #else |
| 293 | // test this solution on big endian as well |
| 294 | iconFamily = (IconFamilyHandle) NewHandle( 0 ) ; |
| 295 | #endif |
| 296 | |
| 297 | int w = GetWidth() ; |
| 298 | int h = GetHeight() ; |
| 299 | int sz = wxMax( w , h ) ; |
| 300 | |
| 301 | OSType dataType = 0 ; |
| 302 | OSType maskType = 0 ; |
| 303 | |
| 304 | switch (sz) |
| 305 | { |
| 306 | case 128: |
| 307 | dataType = kThumbnail32BitData ; |
| 308 | maskType = kThumbnail8BitMask ; |
| 309 | break; |
| 310 | |
| 311 | case 48: |
| 312 | dataType = kHuge32BitData ; |
| 313 | maskType = kHuge8BitMask ; |
| 314 | break; |
| 315 | |
| 316 | case 32: |
| 317 | dataType = kLarge32BitData ; |
| 318 | maskType = kLarge8BitMask ; |
| 319 | break; |
| 320 | |
| 321 | case 16: |
| 322 | dataType = kSmall32BitData ; |
| 323 | maskType = kSmall8BitMask ; |
| 324 | break; |
| 325 | |
| 326 | default: |
| 327 | break; |
| 328 | } |
| 329 | |
| 330 | if ( dataType != 0 ) |
| 331 | { |
| 332 | // setup the header properly |
| 333 | |
| 334 | Handle data = NULL ; |
| 335 | Handle maskdata = NULL ; |
| 336 | unsigned char * maskptr = NULL ; |
| 337 | unsigned char * ptr = NULL ; |
| 338 | size_t datasize, masksize ; |
| 339 | |
| 340 | datasize = sz * sz * 4 ; |
| 341 | data = NewHandle( datasize ) ; |
| 342 | HLock( data ) ; |
| 343 | ptr = (unsigned char*) *data ; |
| 344 | memset( ptr , 0, datasize ) ; |
| 345 | |
| 346 | masksize = sz * sz ; |
| 347 | maskdata = NewHandle( masksize ) ; |
| 348 | HLock( maskdata ) ; |
| 349 | maskptr = (unsigned char*) *maskdata ; |
| 350 | memset( maskptr , 0 , masksize ) ; |
| 351 | |
| 352 | bool hasAlpha = HasAlpha() ; |
| 353 | wxMask *mask = m_bitmapMask ; |
| 354 | unsigned char * source = (unsigned char*) GetRawAccess() ; |
| 355 | unsigned char * masksource = mask ? (unsigned char*) mask->GetRawAccess() : NULL ; |
| 356 | |
| 357 | for ( int y = 0 ; y < h ; ++y ) |
| 358 | { |
| 359 | unsigned char * dest = ptr + y * sz * 4 ; |
| 360 | unsigned char * maskdest = maskptr + y * sz ; |
| 361 | unsigned char a, r, g, b; |
| 362 | |
| 363 | for ( int x = 0 ; x < w ; ++x ) |
| 364 | { |
| 365 | a = *source ++ ; |
| 366 | r = *source ++ ; |
| 367 | g = *source ++ ; |
| 368 | b = *source ++ ; |
| 369 | |
| 370 | *dest++ = 0 ; |
| 371 | *dest++ = r ; |
| 372 | *dest++ = g ; |
| 373 | *dest++ = b ; |
| 374 | |
| 375 | if ( mask ) |
| 376 | { |
| 377 | *maskdest++ = 0xFF - *masksource++ ; |
| 378 | masksource++ ; |
| 379 | masksource++ ; |
| 380 | masksource++ ; |
| 381 | } |
| 382 | else if ( hasAlpha ) |
| 383 | *maskdest++ = a ; |
| 384 | else |
| 385 | *maskdest++ = 0xFF ; |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | OSStatus err = SetIconFamilyData( iconFamily, dataType , data ) ; |
| 390 | wxASSERT_MSG( err == noErr , wxT("Error when adding bitmap") ) ; |
| 391 | |
| 392 | err = SetIconFamilyData( iconFamily, maskType , maskdata ) ; |
| 393 | wxASSERT_MSG( err == noErr , wxT("Error when adding mask") ) ; |
| 394 | |
| 395 | HUnlock( data ) ; |
| 396 | HUnlock( maskdata ) ; |
| 397 | DisposeHandle( data ) ; |
| 398 | DisposeHandle( maskdata ) ; |
| 399 | } |
| 400 | else |
| 401 | { |
| 402 | PicHandle pic = GetPictHandle() ; |
| 403 | SetIconFamilyData( iconFamily, 'PICT' , (Handle) pic ) ; |
| 404 | } |
| 405 | // transform into IconRef |
| 406 | #if defined( __WXMAC_OSX__ ) && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 |
| 407 | // cleaner version existing from 10.3 upwards |
| 408 | HLock((Handle) iconFamily); |
| 409 | OSStatus err = GetIconRefFromIconFamilyPtr( *iconFamily, GetHandleSize((Handle) iconFamily), &m_iconRef ); |
| 410 | HUnlock((Handle) iconFamily); |
| 411 | wxASSERT_MSG( err == noErr , wxT("Error when constructing icon ref") ); |
| 412 | #else |
| 413 | static int iconCounter = 2 ; |
| 414 | |
| 415 | OSStatus err = RegisterIconRefFromIconFamily( 'WXNG' , (OSType) iconCounter, iconFamily, &m_iconRef ) ; |
| 416 | wxASSERT_MSG( err == noErr , wxT("Error when adding bitmap") ) ; |
| 417 | |
| 418 | // we have to retain a reference, as Unregister will decrement it |
| 419 | AcquireIconRef( m_iconRef ) ; |
| 420 | UnregisterIconRef( 'WXNG' , (OSType) iconCounter ) ; |
| 421 | ++iconCounter ; |
| 422 | #endif |
| 423 | DisposeHandle( (Handle) iconFamily ) ; |
| 424 | } |
| 425 | |
| 426 | return m_iconRef ; |
| 427 | } |
| 428 | |
| 429 | PicHandle wxBitmapRefData::GetPictHandle() |
| 430 | { |
| 431 | if ( m_pictHandle == NULL ) |
| 432 | { |
| 433 | #ifndef __LP64__ |
| 434 | CGrafPtr origPort = NULL ; |
| 435 | GDHandle origDev = NULL ; |
| 436 | GWorldPtr wp = NULL ; |
| 437 | GWorldPtr mask = NULL ; |
| 438 | int height = GetHeight() ; |
| 439 | int width = GetWidth() ; |
| 440 | |
| 441 | Rect rect = { 0 , 0 , height , width } ; |
| 442 | RgnHandle clipRgn = NULL ; |
| 443 | |
| 444 | GetGWorld( &origPort , &origDev ) ; |
| 445 | wp = GetHBITMAP( &mask ) ; |
| 446 | |
| 447 | if ( mask ) |
| 448 | { |
| 449 | GWorldPtr monoworld ; |
| 450 | clipRgn = NewRgn() ; |
| 451 | OSStatus err = NewGWorld( &monoworld , 1 , &rect , NULL , NULL , 0 ) ; |
| 452 | verify_noerr(err) ; |
| 453 | LockPixels( GetGWorldPixMap( monoworld ) ) ; |
| 454 | LockPixels( GetGWorldPixMap( mask ) ) ; |
| 455 | SetGWorld( monoworld , NULL ) ; |
| 456 | |
| 457 | RGBColor white = { 0xffff , 0xffff , 0xffff } ; |
| 458 | RGBColor black = { 0x0000 , 0x0000 , 0x0000 } ; |
| 459 | RGBForeColor( &black ) ; |
| 460 | RGBBackColor( &white ) ; |
| 461 | |
| 462 | CopyBits(GetPortBitMapForCopyBits(mask), |
| 463 | GetPortBitMapForCopyBits(monoworld), |
| 464 | &rect, |
| 465 | &rect, |
| 466 | srcCopy, NULL); |
| 467 | BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( monoworld ) ) ; |
| 468 | |
| 469 | UnlockPixels( GetGWorldPixMap( monoworld ) ) ; |
| 470 | UnlockPixels( GetGWorldPixMap( mask ) ) ; |
| 471 | DisposeGWorld( monoworld ) ; |
| 472 | } |
| 473 | |
| 474 | SetGWorld( wp , NULL ) ; |
| 475 | Rect portRect ; |
| 476 | GetPortBounds( wp , &portRect ) ; |
| 477 | m_pictHandle = OpenPicture(&portRect); |
| 478 | |
| 479 | if (m_pictHandle) |
| 480 | { |
| 481 | RGBColor white = { 0xffff , 0xffff , 0xffff } ; |
| 482 | RGBColor black = { 0x0000 , 0x0000 , 0x0000 } ; |
| 483 | |
| 484 | RGBForeColor( &black ) ; |
| 485 | RGBBackColor( &white ) ; |
| 486 | |
| 487 | if ( clipRgn ) |
| 488 | SetClip( clipRgn ) ; |
| 489 | |
| 490 | LockPixels( GetGWorldPixMap( wp ) ) ; |
| 491 | CopyBits(GetPortBitMapForCopyBits(wp), |
| 492 | GetPortBitMapForCopyBits(wp), |
| 493 | &portRect, |
| 494 | &portRect, |
| 495 | srcCopy,clipRgn); |
| 496 | UnlockPixels( GetGWorldPixMap( wp ) ) ; |
| 497 | ClosePicture(); |
| 498 | } |
| 499 | |
| 500 | SetGWorld( origPort , origDev ) ; |
| 501 | if ( clipRgn ) |
| 502 | DisposeRgn( clipRgn ) ; |
| 503 | #endif |
| 504 | } |
| 505 | |
| 506 | return m_pictHandle ; |
| 507 | } |
| 508 | |
| 509 | #ifdef __WXMAC_OSX__ |
| 510 | void wxMacMemoryBufferReleaseProc(void *info, const void *data, size_t size) |
| 511 | { |
| 512 | wxMemoryBuffer* membuf = (wxMemoryBuffer*) info ; |
| 513 | |
| 514 | wxASSERT( data == membuf->GetData() ) ; |
| 515 | |
| 516 | delete membuf ; |
| 517 | } |
| 518 | |
| 519 | CGImageRef wxBitmapRefData::CGImageCreate() const |
| 520 | { |
| 521 | wxASSERT( m_ok ) ; |
| 522 | wxASSERT( m_rawAccessCount >= 0 ) ; |
| 523 | CGImageRef image ; |
| 524 | if ( m_rawAccessCount > 0 || m_cgImageRef == NULL ) |
| 525 | { |
| 526 | size_t imageSize = m_width * m_height * 4 ; |
| 527 | void * dataBuffer = m_memBuf.GetData() ; |
| 528 | int w = m_width ; |
| 529 | int h = m_height ; |
| 530 | CGImageAlphaInfo alphaInfo = kCGImageAlphaNoneSkipFirst ; |
| 531 | wxMemoryBuffer* membuf = NULL ; |
| 532 | |
| 533 | if ( m_bitmapMask ) |
| 534 | { |
| 535 | alphaInfo = kCGImageAlphaFirst ; |
| 536 | membuf = new wxMemoryBuffer( imageSize ) ; |
| 537 | memcpy( membuf->GetData() , dataBuffer , imageSize ) ; |
| 538 | unsigned char *sourcemaskstart = (unsigned char *) m_bitmapMask->GetRawAccess() ; |
| 539 | int maskrowbytes = m_bitmapMask->GetBytesPerRow() ; |
| 540 | unsigned char *destalpha = (unsigned char *) membuf->GetData() ; |
| 541 | for ( int y = 0 ; y < h ; ++y , sourcemaskstart += maskrowbytes) |
| 542 | { |
| 543 | unsigned char *sourcemask = sourcemaskstart ; |
| 544 | for ( int x = 0 ; x < w ; ++x , sourcemask += 4 , destalpha += 4 ) |
| 545 | { |
| 546 | *destalpha = 0xFF - *sourcemask ; |
| 547 | } |
| 548 | } |
| 549 | } |
| 550 | else |
| 551 | { |
| 552 | if ( m_hasAlpha ) |
| 553 | { |
| 554 | #if wxMAC_USE_PREMULTIPLIED_ALPHA |
| 555 | alphaInfo = kCGImageAlphaPremultipliedFirst ; |
| 556 | #else |
| 557 | alphaInfo = kCGImageAlphaFirst ; |
| 558 | #endif |
| 559 | } |
| 560 | |
| 561 | membuf = new wxMemoryBuffer( m_memBuf ) ; |
| 562 | } |
| 563 | |
| 564 | CGDataProviderRef dataProvider = NULL ; |
| 565 | if ( m_depth == 1 ) |
| 566 | { |
| 567 | wxMemoryBuffer* maskBuf = new wxMemoryBuffer( m_width * m_height ); |
| 568 | unsigned char * maskBufData = (unsigned char *) maskBuf->GetData(); |
| 569 | unsigned char * bufData = (unsigned char *) membuf->GetData() ; |
| 570 | // copy one color component |
| 571 | for( int i = 0 ; i < m_width * m_height ; ++i ) |
| 572 | maskBufData[i] = bufData[i*4+3]; |
| 573 | dataProvider = |
| 574 | CGDataProviderCreateWithData( |
| 575 | maskBuf , (const void *) maskBufData , m_width * m_height, |
| 576 | wxMacMemoryBufferReleaseProc ); |
| 577 | // as we are now passing the mask buffer to the data provider, we have |
| 578 | // to release the membuf ourselves |
| 579 | delete membuf ; |
| 580 | |
| 581 | image = ::CGImageMaskCreate( w, h, 8, 8, m_width , dataProvider, NULL, false ); |
| 582 | } |
| 583 | else |
| 584 | { |
| 585 | CGColorSpaceRef colorSpace = wxMacGetGenericRGBColorSpace(); |
| 586 | dataProvider = |
| 587 | CGDataProviderCreateWithData( |
| 588 | membuf , (const void *)membuf->GetData() , imageSize, |
| 589 | wxMacMemoryBufferReleaseProc ); |
| 590 | image = |
| 591 | ::CGImageCreate( |
| 592 | w, h, 8 , 32 , 4 * m_width , colorSpace, alphaInfo , |
| 593 | dataProvider, NULL , false , kCGRenderingIntentDefault ); |
| 594 | } |
| 595 | CGDataProviderRelease( dataProvider); |
| 596 | } |
| 597 | else |
| 598 | { |
| 599 | image = m_cgImageRef ; |
| 600 | CGImageRetain( image ) ; |
| 601 | } |
| 602 | |
| 603 | if ( m_rawAccessCount == 0 && m_cgImageRef == NULL) |
| 604 | { |
| 605 | // we keep it for later use |
| 606 | m_cgImageRef = image ; |
| 607 | CGImageRetain( image ) ; |
| 608 | } |
| 609 | |
| 610 | return image ; |
| 611 | } |
| 612 | #endif |
| 613 | |
| 614 | GWorldPtr wxBitmapRefData::GetHBITMAP(GWorldPtr* mask) const |
| 615 | { |
| 616 | wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") ); |
| 617 | if ( mask ) |
| 618 | { |
| 619 | *mask = NULL ; |
| 620 | if ( m_bitmapMask ) |
| 621 | { |
| 622 | *mask = (GWorldPtr) m_bitmapMask->GetHBITMAP() ; |
| 623 | } |
| 624 | else if ( m_hasAlpha ) |
| 625 | { |
| 626 | #if !wxMAC_USE_CORE_GRAPHICS |
| 627 | if ( m_rawAccessCount > 0 ) |
| 628 | UpdateAlphaMask() ; |
| 629 | #else |
| 630 | // this structure is not kept in synch when using CG, so if something |
| 631 | // is really accessing the GrafPorts, we have to sync it |
| 632 | UpdateAlphaMask() ; |
| 633 | #endif |
| 634 | |
| 635 | *mask = m_hMaskBitmap ; |
| 636 | } |
| 637 | } |
| 638 | |
| 639 | return m_hBitmap ; |
| 640 | } |
| 641 | |
| 642 | void wxBitmapRefData::UpdateAlphaMask() const |
| 643 | { |
| 644 | if ( m_hasAlpha ) |
| 645 | { |
| 646 | unsigned char *sourcemask = (unsigned char *) GetRawAccess() ; |
| 647 | unsigned char *destalphabase = (unsigned char *) m_maskMemBuf.GetData() ; |
| 648 | |
| 649 | int h = GetHeight() ; |
| 650 | int w = GetWidth() ; |
| 651 | |
| 652 | for ( int y = 0 ; y < h ; ++y , destalphabase += m_maskBytesPerRow ) |
| 653 | { |
| 654 | unsigned char* destalpha = destalphabase ; |
| 655 | |
| 656 | for ( int x = 0 ; x < w ; ++x , sourcemask += 4 ) |
| 657 | { |
| 658 | // we must have 24 bit depth for non quartz smooth alpha |
| 659 | *destalpha++ = 255 ; |
| 660 | *destalpha++ = 255 - *sourcemask ; |
| 661 | *destalpha++ = 255 - *sourcemask ; |
| 662 | *destalpha++ = 255 - *sourcemask ; |
| 663 | } |
| 664 | } |
| 665 | } |
| 666 | } |
| 667 | |
| 668 | void wxBitmapRefData::Free() |
| 669 | { |
| 670 | wxASSERT_MSG( m_rawAccessCount == 0 , wxT("Bitmap still selected when destroyed") ) ; |
| 671 | |
| 672 | #ifdef __WXMAC_OSX__ |
| 673 | if ( m_cgImageRef ) |
| 674 | { |
| 675 | CGImageRelease( m_cgImageRef ) ; |
| 676 | m_cgImageRef = NULL ; |
| 677 | } |
| 678 | #endif |
| 679 | |
| 680 | if ( m_iconRef ) |
| 681 | { |
| 682 | ReleaseIconRef( m_iconRef ) ; |
| 683 | m_iconRef = NULL ; |
| 684 | } |
| 685 | |
| 686 | #ifndef __LP64__ |
| 687 | if ( m_pictHandle ) |
| 688 | { |
| 689 | KillPicture( m_pictHandle ) ; |
| 690 | m_pictHandle = NULL ; |
| 691 | } |
| 692 | |
| 693 | if ( m_hBitmap ) |
| 694 | { |
| 695 | DisposeGWorld( MAC_WXHBITMAP(m_hBitmap) ) ; |
| 696 | m_hBitmap = NULL ; |
| 697 | } |
| 698 | |
| 699 | if ( m_hMaskBitmap ) |
| 700 | { |
| 701 | DisposeGWorld( MAC_WXHBITMAP(m_hMaskBitmap) ) ; |
| 702 | m_hMaskBitmap = NULL ; |
| 703 | } |
| 704 | #endif |
| 705 | if (m_bitmapMask) |
| 706 | { |
| 707 | delete m_bitmapMask; |
| 708 | m_bitmapMask = NULL; |
| 709 | } |
| 710 | } |
| 711 | |
| 712 | wxBitmapRefData::~wxBitmapRefData() |
| 713 | { |
| 714 | Free() ; |
| 715 | } |
| 716 | |
| 717 | bool wxBitmap::CopyFromIcon(const wxIcon& icon) |
| 718 | { |
| 719 | bool created = false ; |
| 720 | int w = icon.GetWidth() ; |
| 721 | int h = icon.GetHeight() ; |
| 722 | |
| 723 | Create( icon.GetWidth() , icon.GetHeight() ) ; |
| 724 | |
| 725 | if ( w == h && ( w == 16 || w == 32 || w == 48 || w == 128 ) ) |
| 726 | { |
| 727 | IconFamilyHandle iconFamily = NULL ; |
| 728 | Handle imagehandle = NewHandle( 0 ) ; |
| 729 | Handle maskhandle = NewHandle( 0 ) ; |
| 730 | |
| 731 | OSType maskType = 0; |
| 732 | OSType dataType = 0; |
| 733 | IconSelectorValue selector = 0 ; |
| 734 | |
| 735 | switch (w) |
| 736 | { |
| 737 | case 128: |
| 738 | dataType = kThumbnail32BitData ; |
| 739 | maskType = kThumbnail8BitMask ; |
| 740 | selector = kSelectorAllAvailableData ; |
| 741 | break; |
| 742 | |
| 743 | case 48: |
| 744 | dataType = kHuge32BitData ; |
| 745 | maskType = kHuge8BitMask ; |
| 746 | selector = kSelectorHuge32Bit | kSelectorHuge8BitMask ; |
| 747 | break; |
| 748 | |
| 749 | case 32: |
| 750 | dataType = kLarge32BitData ; |
| 751 | maskType = kLarge8BitMask ; |
| 752 | selector = kSelectorLarge32Bit | kSelectorLarge8BitMask ; |
| 753 | break; |
| 754 | |
| 755 | case 16: |
| 756 | dataType = kSmall32BitData ; |
| 757 | maskType = kSmall8BitMask ; |
| 758 | selector = kSelectorSmall32Bit | kSelectorSmall8BitMask ; |
| 759 | break; |
| 760 | |
| 761 | default: |
| 762 | break; |
| 763 | } |
| 764 | |
| 765 | OSStatus err = IconRefToIconFamily( MAC_WXHICON(icon.GetHICON()) , selector , &iconFamily ) ; |
| 766 | |
| 767 | err = GetIconFamilyData( iconFamily , dataType , imagehandle ) ; |
| 768 | err = GetIconFamilyData( iconFamily , maskType , maskhandle ) ; |
| 769 | size_t imagehandlesize = GetHandleSize( imagehandle ) ; |
| 770 | size_t maskhandlesize = GetHandleSize( maskhandle ) ; |
| 771 | |
| 772 | if ( imagehandlesize != 0 && maskhandlesize != 0 ) |
| 773 | { |
| 774 | wxASSERT( GetHandleSize( imagehandle ) == w * 4 * h ) ; |
| 775 | wxASSERT( GetHandleSize( maskhandle ) == w * h ) ; |
| 776 | |
| 777 | UseAlpha() ; |
| 778 | |
| 779 | unsigned char *source = (unsigned char *) *imagehandle ; |
| 780 | unsigned char *sourcemask = (unsigned char *) *maskhandle ; |
| 781 | unsigned char* destination = (unsigned char*) BeginRawAccess() ; |
| 782 | |
| 783 | for ( int y = 0 ; y < h ; ++y ) |
| 784 | { |
| 785 | for ( int x = 0 ; x < w ; ++x ) |
| 786 | { |
| 787 | *destination++ = *sourcemask++ ; |
| 788 | source++ ; |
| 789 | *destination++ = *source++ ; |
| 790 | *destination++ = *source++ ; |
| 791 | *destination++ = *source++ ; |
| 792 | } |
| 793 | } |
| 794 | |
| 795 | EndRawAccess() ; |
| 796 | DisposeHandle( imagehandle ) ; |
| 797 | DisposeHandle( maskhandle ) ; |
| 798 | created = true ; |
| 799 | } |
| 800 | |
| 801 | DisposeHandle( (Handle) iconFamily ) ; |
| 802 | } |
| 803 | |
| 804 | if ( !created ) |
| 805 | { |
| 806 | wxMemoryDC dc ; |
| 807 | dc.SelectObject( *this ) ; |
| 808 | dc.DrawIcon( icon , 0 , 0 ) ; |
| 809 | dc.SelectObject( wxNullBitmap ) ; |
| 810 | } |
| 811 | |
| 812 | return true; |
| 813 | } |
| 814 | |
| 815 | wxBitmap::wxBitmap() |
| 816 | { |
| 817 | } |
| 818 | |
| 819 | wxBitmap::~wxBitmap() |
| 820 | { |
| 821 | } |
| 822 | |
| 823 | wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits) |
| 824 | { |
| 825 | m_refData = new wxBitmapRefData( the_width , the_height , no_bits ) ; |
| 826 | |
| 827 | if ( no_bits == 1 ) |
| 828 | { |
| 829 | int linesize = ( the_width / (sizeof(unsigned char) * 8)) ; |
| 830 | if ( the_width % (sizeof(unsigned char) * 8) ) |
| 831 | linesize += sizeof(unsigned char); |
| 832 | |
| 833 | unsigned char* linestart = (unsigned char*) bits ; |
| 834 | unsigned char* destination = (unsigned char*) BeginRawAccess() ; |
| 835 | |
| 836 | for ( int y = 0 ; y < the_height ; ++y , linestart += linesize ) |
| 837 | { |
| 838 | int index, bit, mask; |
| 839 | |
| 840 | for ( int x = 0 ; x < the_width ; ++x ) |
| 841 | { |
| 842 | index = x / 8 ; |
| 843 | bit = x % 8 ; |
| 844 | mask = 1 << bit ; |
| 845 | |
| 846 | if ( linestart[index] & mask ) |
| 847 | { |
| 848 | *destination++ = 0xFF ; |
| 849 | *destination++ = 0 ; |
| 850 | *destination++ = 0 ; |
| 851 | *destination++ = 0 ; |
| 852 | } |
| 853 | else |
| 854 | { |
| 855 | *destination++ = 0xFF ; |
| 856 | *destination++ = 0xFF ; |
| 857 | *destination++ = 0xFF ; |
| 858 | *destination++ = 0xFF ; |
| 859 | } |
| 860 | } |
| 861 | } |
| 862 | |
| 863 | EndRawAccess() ; |
| 864 | } |
| 865 | else |
| 866 | { |
| 867 | wxFAIL_MSG(wxT("multicolor BITMAPs not yet implemented")); |
| 868 | } |
| 869 | } |
| 870 | |
| 871 | wxBitmap::wxBitmap(int w, int h, int d) |
| 872 | { |
| 873 | (void)Create(w, h, d); |
| 874 | } |
| 875 | |
| 876 | wxBitmap::wxBitmap(const void* data, wxBitmapType type, int width, int height, int depth) |
| 877 | { |
| 878 | (void) Create(data, type, width, height, depth); |
| 879 | } |
| 880 | |
| 881 | wxBitmap::wxBitmap(const wxString& filename, wxBitmapType type) |
| 882 | { |
| 883 | LoadFile(filename, type); |
| 884 | } |
| 885 | |
| 886 | void * wxBitmap::GetRawAccess() const |
| 887 | { |
| 888 | wxCHECK_MSG( Ok() , NULL , wxT("invalid bitmap") ) ; |
| 889 | |
| 890 | return M_BITMAPDATA->GetRawAccess() ; |
| 891 | } |
| 892 | |
| 893 | void * wxBitmap::BeginRawAccess() |
| 894 | { |
| 895 | wxCHECK_MSG( Ok() , NULL , wxT("invalid bitmap") ) ; |
| 896 | |
| 897 | return M_BITMAPDATA->BeginRawAccess() ; |
| 898 | } |
| 899 | |
| 900 | void wxBitmap::EndRawAccess() |
| 901 | { |
| 902 | wxCHECK_RET( Ok() , wxT("invalid bitmap") ) ; |
| 903 | |
| 904 | M_BITMAPDATA->EndRawAccess() ; |
| 905 | } |
| 906 | |
| 907 | #ifdef __WXMAC_OSX__ |
| 908 | WXCGIMAGEREF wxBitmap::CGImageCreate() const |
| 909 | { |
| 910 | wxCHECK_MSG( Ok(), NULL , wxT("invalid bitmap") ) ; |
| 911 | |
| 912 | return M_BITMAPDATA->CGImageCreate() ; |
| 913 | } |
| 914 | #endif |
| 915 | |
| 916 | wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const |
| 917 | { |
| 918 | wxCHECK_MSG( Ok() && |
| 919 | (rect.x >= 0) && (rect.y >= 0) && |
| 920 | (rect.x+rect.width <= GetWidth()) && |
| 921 | (rect.y+rect.height <= GetHeight()), |
| 922 | wxNullBitmap, wxT("invalid bitmap or bitmap region") ); |
| 923 | |
| 924 | wxBitmap ret( rect.width, rect.height, GetDepth() ); |
| 925 | wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") ); |
| 926 | |
| 927 | int sourcewidth = GetWidth() ; |
| 928 | int destwidth = rect.width ; |
| 929 | int destheight = rect.height ; |
| 930 | |
| 931 | { |
| 932 | unsigned char *sourcedata = (unsigned char*) GetRawAccess() ; |
| 933 | unsigned char *destdata = (unsigned char*) ret.BeginRawAccess() ; |
| 934 | wxASSERT( (sourcedata != NULL) && (destdata != NULL) ) ; |
| 935 | |
| 936 | int sourcelinesize = sourcewidth * 4 ; |
| 937 | int destlinesize = destwidth * 4 ; |
| 938 | unsigned char *source = sourcedata + rect.x * 4 + rect.y * sourcelinesize ; |
| 939 | unsigned char *dest = destdata ; |
| 940 | |
| 941 | for (int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize) |
| 942 | { |
| 943 | memcpy( dest , source , destlinesize ) ; |
| 944 | } |
| 945 | } |
| 946 | |
| 947 | ret.EndRawAccess() ; |
| 948 | |
| 949 | if ( M_BITMAPDATA->m_bitmapMask ) |
| 950 | { |
| 951 | wxMemoryBuffer maskbuf ; |
| 952 | int rowBytes = ( destwidth * 4 + 3 ) & 0xFFFFFFC ; |
| 953 | size_t maskbufsize = rowBytes * destheight ; |
| 954 | |
| 955 | int sourcelinesize = M_BITMAPDATA->m_bitmapMask->GetBytesPerRow() ; |
| 956 | int destlinesize = rowBytes ; |
| 957 | |
| 958 | unsigned char *source = (unsigned char *) M_BITMAPDATA->m_bitmapMask->GetRawAccess() ; |
| 959 | unsigned char *destdata = (unsigned char * ) maskbuf.GetWriteBuf( maskbufsize ) ; |
| 960 | wxASSERT( (source != NULL) && (destdata != NULL) ) ; |
| 961 | |
| 962 | source += rect.x * 4 + rect.y * sourcelinesize ; |
| 963 | unsigned char *dest = destdata ; |
| 964 | |
| 965 | for (int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize) |
| 966 | { |
| 967 | memcpy( dest , source , destlinesize ) ; |
| 968 | } |
| 969 | |
| 970 | maskbuf.UngetWriteBuf( maskbufsize ) ; |
| 971 | ret.SetMask( new wxMask( maskbuf , destwidth , destheight , rowBytes ) ) ; |
| 972 | } |
| 973 | else if ( HasAlpha() ) |
| 974 | ret.UseAlpha() ; |
| 975 | |
| 976 | return ret; |
| 977 | } |
| 978 | |
| 979 | bool wxBitmap::Create(int w, int h, int d) |
| 980 | { |
| 981 | UnRef(); |
| 982 | |
| 983 | if ( d < 0 ) |
| 984 | d = wxDisplayDepth() ; |
| 985 | |
| 986 | m_refData = new wxBitmapRefData( w , h , d ); |
| 987 | |
| 988 | return M_BITMAPDATA->Ok() ; |
| 989 | } |
| 990 | |
| 991 | bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type) |
| 992 | { |
| 993 | UnRef(); |
| 994 | |
| 995 | wxBitmapHandler *handler = FindHandler(type); |
| 996 | |
| 997 | if ( handler ) |
| 998 | { |
| 999 | m_refData = new wxBitmapRefData; |
| 1000 | |
| 1001 | return handler->LoadFile(this, filename, type, -1, -1); |
| 1002 | } |
| 1003 | else |
| 1004 | { |
| 1005 | #if wxUSE_IMAGE |
| 1006 | wxImage loadimage(filename, type); |
| 1007 | if (loadimage.Ok()) |
| 1008 | { |
| 1009 | *this = loadimage; |
| 1010 | |
| 1011 | return true; |
| 1012 | } |
| 1013 | #endif |
| 1014 | } |
| 1015 | |
| 1016 | wxLogWarning(wxT("no bitmap handler for type %d defined."), type); |
| 1017 | |
| 1018 | return false; |
| 1019 | } |
| 1020 | |
| 1021 | bool wxBitmap::Create(const void* data, wxBitmapType type, int width, int height, int depth) |
| 1022 | { |
| 1023 | UnRef(); |
| 1024 | |
| 1025 | m_refData = new wxBitmapRefData; |
| 1026 | |
| 1027 | wxBitmapHandler *handler = FindHandler(type); |
| 1028 | |
| 1029 | if ( handler == NULL ) |
| 1030 | { |
| 1031 | wxLogWarning(wxT("no bitmap handler for type %d defined."), type); |
| 1032 | |
| 1033 | return false; |
| 1034 | } |
| 1035 | |
| 1036 | return handler->Create(this, data, type, width, height, depth); |
| 1037 | } |
| 1038 | |
| 1039 | #if wxUSE_IMAGE |
| 1040 | |
| 1041 | wxBitmap::wxBitmap(const wxImage& image, int depth) |
| 1042 | { |
| 1043 | wxCHECK_RET( image.Ok(), wxT("invalid image") ); |
| 1044 | |
| 1045 | // width and height of the device-dependent bitmap |
| 1046 | int width = image.GetWidth(); |
| 1047 | int height = image.GetHeight(); |
| 1048 | |
| 1049 | m_refData = new wxBitmapRefData( width , height , depth ) ; |
| 1050 | |
| 1051 | // Create picture |
| 1052 | |
| 1053 | bool hasAlpha = false ; |
| 1054 | |
| 1055 | if ( image.HasMask() ) |
| 1056 | { |
| 1057 | // takes precedence, don't mix with alpha info |
| 1058 | } |
| 1059 | else |
| 1060 | { |
| 1061 | hasAlpha = image.HasAlpha() ; |
| 1062 | } |
| 1063 | |
| 1064 | if ( hasAlpha ) |
| 1065 | UseAlpha() ; |
| 1066 | |
| 1067 | unsigned char* destination = (unsigned char*) BeginRawAccess() ; |
| 1068 | register unsigned char* data = image.GetData(); |
| 1069 | const unsigned char *alpha = hasAlpha ? image.GetAlpha() : NULL ; |
| 1070 | |
| 1071 | for (int y = 0; y < height; y++) |
| 1072 | { |
| 1073 | for (int x = 0; x < width; x++) |
| 1074 | { |
| 1075 | if ( hasAlpha ) |
| 1076 | { |
| 1077 | const unsigned char a = *alpha++; |
| 1078 | *destination++ = a ; |
| 1079 | |
| 1080 | #if wxMAC_USE_PREMULTIPLIED_ALPHA |
| 1081 | *destination++ = ((*data++) * a + 127) / 255 ; |
| 1082 | *destination++ = ((*data++) * a + 127) / 255 ; |
| 1083 | *destination++ = ((*data++) * a + 127) / 255 ; |
| 1084 | #else |
| 1085 | *destination++ = *data++ ; |
| 1086 | *destination++ = *data++ ; |
| 1087 | *destination++ = *data++ ; |
| 1088 | #endif |
| 1089 | } |
| 1090 | else |
| 1091 | { |
| 1092 | *destination++ = 0xFF ; |
| 1093 | *destination++ = *data++ ; |
| 1094 | *destination++ = *data++ ; |
| 1095 | *destination++ = *data++ ; |
| 1096 | } |
| 1097 | } |
| 1098 | } |
| 1099 | |
| 1100 | EndRawAccess() ; |
| 1101 | if ( image.HasMask() ) |
| 1102 | SetMask( new wxMask( *this , wxColour( image.GetMaskRed() , image.GetMaskGreen() , image.GetMaskBlue() ) ) ) ; |
| 1103 | } |
| 1104 | |
| 1105 | wxImage wxBitmap::ConvertToImage() const |
| 1106 | { |
| 1107 | wxImage image; |
| 1108 | |
| 1109 | wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") ); |
| 1110 | |
| 1111 | // create an wxImage object |
| 1112 | int width = GetWidth(); |
| 1113 | int height = GetHeight(); |
| 1114 | image.Create( width, height ); |
| 1115 | |
| 1116 | unsigned char *data = image.GetData(); |
| 1117 | wxCHECK_MSG( data, wxNullImage, wxT("Could not allocate data for image") ); |
| 1118 | |
| 1119 | unsigned char* source = (unsigned char*) GetRawAccess() ; |
| 1120 | |
| 1121 | bool hasAlpha = false ; |
| 1122 | bool hasMask = false ; |
| 1123 | int maskBytesPerRow = 0 ; |
| 1124 | unsigned char *alpha = NULL ; |
| 1125 | unsigned char *mask = NULL ; |
| 1126 | |
| 1127 | if ( HasAlpha() ) |
| 1128 | hasAlpha = true ; |
| 1129 | |
| 1130 | if ( GetMask() ) |
| 1131 | { |
| 1132 | hasMask = true ; |
| 1133 | mask = (unsigned char*) GetMask()->GetRawAccess() ; |
| 1134 | maskBytesPerRow = GetMask()->GetBytesPerRow() ; |
| 1135 | } |
| 1136 | |
| 1137 | if ( hasAlpha ) |
| 1138 | { |
| 1139 | image.SetAlpha() ; |
| 1140 | alpha = image.GetAlpha() ; |
| 1141 | } |
| 1142 | |
| 1143 | int index = 0; |
| 1144 | |
| 1145 | // The following masking algorithm is the same as well in msw/gtk: |
| 1146 | // the colour used as transparent one in wxImage and the one it is |
| 1147 | // replaced with when it actually occurs in the bitmap |
| 1148 | static const int MASK_RED = 1; |
| 1149 | static const int MASK_GREEN = 2; |
| 1150 | static const int MASK_BLUE = 3; |
| 1151 | static const int MASK_BLUE_REPLACEMENT = 2; |
| 1152 | |
| 1153 | for (int yy = 0; yy < height; yy++ , mask += maskBytesPerRow ) |
| 1154 | { |
| 1155 | unsigned char * maskp = mask ; |
| 1156 | unsigned char a, r, g, b; |
| 1157 | long color; |
| 1158 | |
| 1159 | for (int xx = 0; xx < width; xx++) |
| 1160 | { |
| 1161 | color = *((long*) source) ; |
| 1162 | #ifdef WORDS_BIGENDIAN |
| 1163 | a = ((color&0xFF000000) >> 24) ; |
| 1164 | r = ((color&0x00FF0000) >> 16) ; |
| 1165 | g = ((color&0x0000FF00) >> 8) ; |
| 1166 | b = (color&0x000000FF); |
| 1167 | #else |
| 1168 | b = ((color&0xFF000000) >> 24) ; |
| 1169 | g = ((color&0x00FF0000) >> 16) ; |
| 1170 | r = ((color&0x0000FF00) >> 8) ; |
| 1171 | a = (color&0x000000FF); |
| 1172 | #endif |
| 1173 | if ( hasMask ) |
| 1174 | { |
| 1175 | if ( *maskp++ == 0xFF ) |
| 1176 | { |
| 1177 | r = MASK_RED ; |
| 1178 | g = MASK_GREEN ; |
| 1179 | b = MASK_BLUE ; |
| 1180 | } |
| 1181 | else if ( r == MASK_RED && g == MASK_GREEN && b == MASK_BLUE ) |
| 1182 | b = MASK_BLUE_REPLACEMENT ; |
| 1183 | |
| 1184 | maskp++ ; |
| 1185 | maskp++ ; |
| 1186 | maskp++ ; |
| 1187 | } |
| 1188 | else if ( hasAlpha ) |
| 1189 | *alpha++ = a ; |
| 1190 | |
| 1191 | data[index ] = r ; |
| 1192 | data[index + 1] = g ; |
| 1193 | data[index + 2] = b ; |
| 1194 | |
| 1195 | index += 3; |
| 1196 | source += 4 ; |
| 1197 | } |
| 1198 | } |
| 1199 | |
| 1200 | if ( hasMask ) |
| 1201 | image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE ); |
| 1202 | |
| 1203 | return image; |
| 1204 | } |
| 1205 | |
| 1206 | #endif //wxUSE_IMAGE |
| 1207 | |
| 1208 | bool wxBitmap::SaveFile( const wxString& filename, |
| 1209 | wxBitmapType type, const wxPalette *palette ) const |
| 1210 | { |
| 1211 | bool success = false; |
| 1212 | wxBitmapHandler *handler = FindHandler(type); |
| 1213 | |
| 1214 | if ( handler ) |
| 1215 | { |
| 1216 | success = handler->SaveFile(this, filename, type, palette); |
| 1217 | } |
| 1218 | else |
| 1219 | { |
| 1220 | #if wxUSE_IMAGE |
| 1221 | wxImage image = ConvertToImage(); |
| 1222 | success = image.SaveFile(filename, type); |
| 1223 | #else |
| 1224 | wxLogWarning(wxT("no bitmap handler for type %d defined."), type); |
| 1225 | #endif |
| 1226 | } |
| 1227 | |
| 1228 | return success; |
| 1229 | } |
| 1230 | |
| 1231 | bool wxBitmap::IsOk() const |
| 1232 | { |
| 1233 | return (M_BITMAPDATA && M_BITMAPDATA->Ok()); |
| 1234 | } |
| 1235 | |
| 1236 | int wxBitmap::GetHeight() const |
| 1237 | { |
| 1238 | wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); |
| 1239 | |
| 1240 | return M_BITMAPDATA->GetHeight(); |
| 1241 | } |
| 1242 | |
| 1243 | int wxBitmap::GetWidth() const |
| 1244 | { |
| 1245 | wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); |
| 1246 | |
| 1247 | return M_BITMAPDATA->GetWidth() ; |
| 1248 | } |
| 1249 | |
| 1250 | int wxBitmap::GetDepth() const |
| 1251 | { |
| 1252 | wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); |
| 1253 | |
| 1254 | return M_BITMAPDATA->GetDepth(); |
| 1255 | } |
| 1256 | |
| 1257 | #if WXWIN_COMPATIBILITY_2_4 |
| 1258 | int wxBitmap::GetQuality() const |
| 1259 | { |
| 1260 | return 0; |
| 1261 | } |
| 1262 | |
| 1263 | void wxBitmap::SetQuality(int WXUNUSED(quality)) |
| 1264 | { |
| 1265 | } |
| 1266 | #endif |
| 1267 | |
| 1268 | wxMask *wxBitmap::GetMask() const |
| 1269 | { |
| 1270 | wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") ); |
| 1271 | |
| 1272 | return M_BITMAPDATA->m_bitmapMask; |
| 1273 | } |
| 1274 | |
| 1275 | bool wxBitmap::HasAlpha() const |
| 1276 | { |
| 1277 | wxCHECK_MSG( Ok(), false , wxT("invalid bitmap") ); |
| 1278 | |
| 1279 | return M_BITMAPDATA->HasAlpha() ; |
| 1280 | } |
| 1281 | |
| 1282 | void wxBitmap::SetWidth(int w) |
| 1283 | { |
| 1284 | if (!M_BITMAPDATA) |
| 1285 | m_refData = new wxBitmapRefData; |
| 1286 | |
| 1287 | M_BITMAPDATA->SetWidth(w); |
| 1288 | } |
| 1289 | |
| 1290 | void wxBitmap::SetHeight(int h) |
| 1291 | { |
| 1292 | if (!M_BITMAPDATA) |
| 1293 | m_refData = new wxBitmapRefData; |
| 1294 | |
| 1295 | M_BITMAPDATA->SetHeight(h); |
| 1296 | } |
| 1297 | |
| 1298 | void wxBitmap::SetDepth(int d) |
| 1299 | { |
| 1300 | if (!M_BITMAPDATA) |
| 1301 | m_refData = new wxBitmapRefData; |
| 1302 | |
| 1303 | M_BITMAPDATA->SetDepth(d); |
| 1304 | } |
| 1305 | |
| 1306 | void wxBitmap::SetOk(bool isOk) |
| 1307 | { |
| 1308 | if (!M_BITMAPDATA) |
| 1309 | m_refData = new wxBitmapRefData; |
| 1310 | |
| 1311 | M_BITMAPDATA->SetOk(isOk); |
| 1312 | } |
| 1313 | |
| 1314 | #if wxUSE_PALETTE |
| 1315 | wxPalette *wxBitmap::GetPalette() const |
| 1316 | { |
| 1317 | wxCHECK_MSG( Ok(), NULL, wxT("Invalid bitmap GetPalette()") ); |
| 1318 | |
| 1319 | return &M_BITMAPDATA->m_bitmapPalette; |
| 1320 | } |
| 1321 | |
| 1322 | void wxBitmap::SetPalette(const wxPalette& palette) |
| 1323 | { |
| 1324 | if (!M_BITMAPDATA) |
| 1325 | m_refData = new wxBitmapRefData; |
| 1326 | |
| 1327 | M_BITMAPDATA->m_bitmapPalette = palette ; |
| 1328 | } |
| 1329 | #endif // wxUSE_PALETTE |
| 1330 | |
| 1331 | void wxBitmap::SetMask(wxMask *mask) |
| 1332 | { |
| 1333 | if (!M_BITMAPDATA) |
| 1334 | m_refData = new wxBitmapRefData; |
| 1335 | |
| 1336 | // Remove existing mask if there is one. |
| 1337 | delete M_BITMAPDATA->m_bitmapMask; |
| 1338 | |
| 1339 | M_BITMAPDATA->m_bitmapMask = mask ; |
| 1340 | } |
| 1341 | |
| 1342 | WXHBITMAP wxBitmap::GetHBITMAP(WXHBITMAP* mask) const |
| 1343 | { |
| 1344 | return WXHBITMAP(M_BITMAPDATA->GetHBITMAP((GWorldPtr*)mask)); |
| 1345 | } |
| 1346 | |
| 1347 | // ---------------------------------------------------------------------------- |
| 1348 | // wxMask |
| 1349 | // ---------------------------------------------------------------------------- |
| 1350 | |
| 1351 | wxMask::wxMask() |
| 1352 | { |
| 1353 | Init() ; |
| 1354 | } |
| 1355 | |
| 1356 | // Construct a mask from a bitmap and a colour indicating |
| 1357 | // the transparent area |
| 1358 | wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour ) |
| 1359 | { |
| 1360 | Init() ; |
| 1361 | Create( bitmap, colour ); |
| 1362 | } |
| 1363 | |
| 1364 | // Construct a mask from a mono bitmap (copies the bitmap). |
| 1365 | wxMask::wxMask( const wxBitmap& bitmap ) |
| 1366 | { |
| 1367 | Init() ; |
| 1368 | Create( bitmap ); |
| 1369 | } |
| 1370 | |
| 1371 | // Construct a mask from a mono bitmap (copies the bitmap). |
| 1372 | |
| 1373 | wxMask::wxMask( const wxMemoryBuffer& data, int width , int height , int bytesPerRow ) |
| 1374 | { |
| 1375 | Init() ; |
| 1376 | Create( data, width , height , bytesPerRow ); |
| 1377 | } |
| 1378 | |
| 1379 | wxMask::~wxMask() |
| 1380 | { |
| 1381 | #ifndef __LP64__ |
| 1382 | if ( m_maskBitmap ) |
| 1383 | { |
| 1384 | DisposeGWorld( (GWorldPtr)m_maskBitmap ) ; |
| 1385 | m_maskBitmap = NULL ; |
| 1386 | } |
| 1387 | #endif |
| 1388 | } |
| 1389 | |
| 1390 | void wxMask::Init() |
| 1391 | { |
| 1392 | m_width = m_height = m_bytesPerRow = 0 ; |
| 1393 | m_maskBitmap = NULL ; |
| 1394 | } |
| 1395 | |
| 1396 | void *wxMask::GetRawAccess() const |
| 1397 | { |
| 1398 | return m_memBuf.GetData() ; |
| 1399 | } |
| 1400 | |
| 1401 | // The default ColorTable for k8IndexedGrayPixelFormat in Intel appears to be broken, so we'll use an non-indexed |
| 1402 | // bitmap mask instead; in order to keep the code simple, the change applies to PowerPC implementations as well |
| 1403 | |
| 1404 | void wxMask::RealizeNative() |
| 1405 | { |
| 1406 | #ifndef __LP64__ |
| 1407 | if ( m_maskBitmap ) |
| 1408 | { |
| 1409 | DisposeGWorld( (GWorldPtr)m_maskBitmap ) ; |
| 1410 | m_maskBitmap = NULL ; |
| 1411 | } |
| 1412 | |
| 1413 | Rect rect = { 0 , 0 , m_height , m_width } ; |
| 1414 | |
| 1415 | OSStatus err = NewGWorldFromPtr( |
| 1416 | (GWorldPtr*) &m_maskBitmap , k32ARGBPixelFormat , &rect , NULL , NULL , 0 , |
| 1417 | (char*) m_memBuf.GetData() , m_bytesPerRow ) ; |
| 1418 | verify_noerr( err ) ; |
| 1419 | #endif |
| 1420 | } |
| 1421 | |
| 1422 | // Create a mask from a mono bitmap (copies the bitmap). |
| 1423 | |
| 1424 | bool wxMask::Create(const wxMemoryBuffer& data,int width , int height , int bytesPerRow) |
| 1425 | { |
| 1426 | m_memBuf = data ; |
| 1427 | m_width = width ; |
| 1428 | m_height = height ; |
| 1429 | m_bytesPerRow = bytesPerRow ; |
| 1430 | |
| 1431 | wxASSERT( data.GetDataLen() == (size_t)(height * bytesPerRow) ) ; |
| 1432 | |
| 1433 | RealizeNative() ; |
| 1434 | |
| 1435 | return true ; |
| 1436 | } |
| 1437 | |
| 1438 | // Create a mask from a mono bitmap (copies the bitmap). |
| 1439 | bool wxMask::Create(const wxBitmap& bitmap) |
| 1440 | { |
| 1441 | m_width = bitmap.GetWidth() ; |
| 1442 | m_height = bitmap.GetHeight() ; |
| 1443 | m_bytesPerRow = ( m_width * 4 + 3 ) & 0xFFFFFFC ; |
| 1444 | |
| 1445 | size_t size = m_bytesPerRow * m_height ; |
| 1446 | unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ; |
| 1447 | wxASSERT( destdatabase != NULL ) ; |
| 1448 | |
| 1449 | memset( destdatabase , 0 , size ) ; |
| 1450 | unsigned char * srcdata = (unsigned char*) bitmap.GetRawAccess() ; |
| 1451 | |
| 1452 | for ( int y = 0 ; y < m_height ; ++y , destdatabase += m_bytesPerRow ) |
| 1453 | { |
| 1454 | unsigned char *destdata = destdatabase ; |
| 1455 | unsigned char r, g, b; |
| 1456 | |
| 1457 | for ( int x = 0 ; x < m_width ; ++x ) |
| 1458 | { |
| 1459 | srcdata++ ; |
| 1460 | r = *srcdata++ ; |
| 1461 | g = *srcdata++ ; |
| 1462 | b = *srcdata++ ; |
| 1463 | |
| 1464 | if ( ( r + g + b ) > 0x10 ) |
| 1465 | { |
| 1466 | *destdata++ = 0xFF ; |
| 1467 | *destdata++ = 0xFF ; |
| 1468 | *destdata++ = 0xFF ; |
| 1469 | *destdata++ = 0xFF ; |
| 1470 | } |
| 1471 | else |
| 1472 | { |
| 1473 | *destdata++ = 0x00 ; |
| 1474 | *destdata++ = 0x00 ; |
| 1475 | *destdata++ = 0x00 ; |
| 1476 | *destdata++ = 0x00 ; |
| 1477 | } |
| 1478 | } |
| 1479 | } |
| 1480 | |
| 1481 | m_memBuf.UngetWriteBuf( size ) ; |
| 1482 | RealizeNative() ; |
| 1483 | |
| 1484 | return true; |
| 1485 | } |
| 1486 | |
| 1487 | // Create a mask from a bitmap and a colour indicating |
| 1488 | // the transparent area |
| 1489 | bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour) |
| 1490 | { |
| 1491 | m_width = bitmap.GetWidth() ; |
| 1492 | m_height = bitmap.GetHeight() ; |
| 1493 | m_bytesPerRow = ( m_width * 4 + 3 ) & 0xFFFFFFC ; |
| 1494 | |
| 1495 | size_t size = m_bytesPerRow * m_height ; |
| 1496 | unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ; |
| 1497 | wxASSERT( destdatabase != NULL ) ; |
| 1498 | |
| 1499 | memset( destdatabase , 0 , size ) ; |
| 1500 | unsigned char * srcdata = (unsigned char*) bitmap.GetRawAccess() ; |
| 1501 | |
| 1502 | for ( int y = 0 ; y < m_height ; ++y , destdatabase += m_bytesPerRow) |
| 1503 | { |
| 1504 | unsigned char *destdata = destdatabase ; |
| 1505 | unsigned char r, g, b; |
| 1506 | |
| 1507 | for ( int x = 0 ; x < m_width ; ++x ) |
| 1508 | { |
| 1509 | srcdata++ ; |
| 1510 | r = *srcdata++ ; |
| 1511 | g = *srcdata++ ; |
| 1512 | b = *srcdata++ ; |
| 1513 | |
| 1514 | if ( colour == wxColour( r , g , b ) ) |
| 1515 | { |
| 1516 | *destdata++ = 0xFF ; |
| 1517 | *destdata++ = 0xFF ; |
| 1518 | *destdata++ = 0xFF ; |
| 1519 | *destdata++ = 0xFF ; |
| 1520 | } |
| 1521 | else |
| 1522 | { |
| 1523 | *destdata++ = 0x00 ; |
| 1524 | *destdata++ = 0x00 ; |
| 1525 | *destdata++ = 0x00 ; |
| 1526 | *destdata++ = 0x00 ; |
| 1527 | } |
| 1528 | } |
| 1529 | } |
| 1530 | |
| 1531 | m_memBuf.UngetWriteBuf( size ) ; |
| 1532 | RealizeNative() ; |
| 1533 | |
| 1534 | return true; |
| 1535 | } |
| 1536 | |
| 1537 | WXHBITMAP wxMask::GetHBITMAP() const |
| 1538 | { |
| 1539 | return m_maskBitmap ; |
| 1540 | } |
| 1541 | |
| 1542 | // ---------------------------------------------------------------------------- |
| 1543 | // wxBitmapHandler |
| 1544 | // ---------------------------------------------------------------------------- |
| 1545 | |
| 1546 | IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxBitmapHandlerBase) |
| 1547 | |
| 1548 | // ---------------------------------------------------------------------------- |
| 1549 | // Standard Handlers |
| 1550 | // ---------------------------------------------------------------------------- |
| 1551 | |
| 1552 | class WXDLLEXPORT wxPICTResourceHandler: public wxBitmapHandler |
| 1553 | { |
| 1554 | DECLARE_DYNAMIC_CLASS(wxPICTResourceHandler) |
| 1555 | |
| 1556 | public: |
| 1557 | inline wxPICTResourceHandler() |
| 1558 | { |
| 1559 | SetName(wxT("Macintosh Pict resource")); |
| 1560 | SetExtension(wxEmptyString); |
| 1561 | SetType(wxBITMAP_TYPE_PICT_RESOURCE); |
| 1562 | }; |
| 1563 | |
| 1564 | virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags, |
| 1565 | int desiredWidth, int desiredHeight); |
| 1566 | }; |
| 1567 | |
| 1568 | IMPLEMENT_DYNAMIC_CLASS(wxPICTResourceHandler, wxBitmapHandler) |
| 1569 | |
| 1570 | |
| 1571 | bool wxPICTResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags, |
| 1572 | int desiredWidth, int desiredHeight) |
| 1573 | { |
| 1574 | #if wxUSE_METAFILE |
| 1575 | Str255 theName ; |
| 1576 | wxMacStringToPascal( name , theName ) ; |
| 1577 | |
| 1578 | PicHandle thePict = (PicHandle ) GetNamedResource( 'PICT' , theName ) ; |
| 1579 | if ( thePict ) |
| 1580 | { |
| 1581 | wxMetafile mf ; |
| 1582 | |
| 1583 | mf.SetHMETAFILE( (WXHMETAFILE) thePict ) ; |
| 1584 | bitmap->Create( mf.GetWidth() , mf.GetHeight() ) ; |
| 1585 | wxMemoryDC dc ; |
| 1586 | dc.SelectObject( *bitmap ) ; |
| 1587 | mf.Play( &dc ) ; |
| 1588 | dc.SelectObject( wxNullBitmap ) ; |
| 1589 | |
| 1590 | return true ; |
| 1591 | } |
| 1592 | #endif |
| 1593 | |
| 1594 | return false ; |
| 1595 | } |
| 1596 | |
| 1597 | void wxBitmap::InitStandardHandlers() |
| 1598 | { |
| 1599 | AddHandler( new wxPICTResourceHandler ) ; |
| 1600 | AddHandler( new wxICONResourceHandler ) ; |
| 1601 | } |
| 1602 | |
| 1603 | // ---------------------------------------------------------------------------- |
| 1604 | // raw bitmap access support |
| 1605 | // ---------------------------------------------------------------------------- |
| 1606 | |
| 1607 | void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp) |
| 1608 | { |
| 1609 | if ( !Ok() ) |
| 1610 | // no bitmap, no data (raw or otherwise) |
| 1611 | return NULL; |
| 1612 | |
| 1613 | data.m_width = GetWidth() ; |
| 1614 | data.m_height = GetHeight() ; |
| 1615 | data.m_stride = GetWidth() * 4 ; |
| 1616 | |
| 1617 | return BeginRawAccess() ; |
| 1618 | } |
| 1619 | |
| 1620 | void wxBitmap::UngetRawData(wxPixelDataBase& dataBase) |
| 1621 | { |
| 1622 | EndRawAccess() ; |
| 1623 | } |
| 1624 | |
| 1625 | void wxBitmap::UseAlpha() |
| 1626 | { |
| 1627 | // remember that we are using alpha channel: |
| 1628 | // we'll need to create a proper mask in UngetRawData() |
| 1629 | M_BITMAPDATA->UseAlpha( true ); |
| 1630 | } |