X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/86e9492322866946b1ca35fbbf4ccbe7c54913dc..73c902d669217bf89cf1e1105622c63cbfe3befb:/src/mac/carbon/bitmap.cpp diff --git a/src/mac/carbon/bitmap.cpp b/src/mac/carbon/bitmap.cpp index bd373e6ef1..afc06f96ef 100644 --- a/src/mac/carbon/bitmap.cpp +++ b/src/mac/carbon/bitmap.cpp @@ -9,10 +9,6 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "bitmap.h" -#endif - #include "wx/wxprec.h" #include "wx/bitmap.h" @@ -26,7 +22,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject) IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject) -IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject ) +IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject) #ifdef __DARWIN__ #include @@ -35,22 +31,23 @@ IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject ) #endif #include "wx/mac/uma.h" - #include "wx/dcmemory.h" // Implementation Notes -// -------------------- +// -------------------- // -// we are always working with a 32 bit deep pixel buffer -// under QuickDraw its alpha parts are going to be ignored in the GWorld, +// we are always working with a 32 bit deep pixel buffer +// under QuickDraw its alpha parts are going to be ignored in the GWorld, // therefore we have a separate GWorld there for blitting the mask in // under Quartz then content is transformed into a CGImageRef representing the same data // which can be transferred to the GPU by the OS for fast rendering -// we don't dare premultiplied alpha yet +// we don't dare use premultiplied alpha yet #define wxMAC_USE_PREMULTIPLIED_ALPHA 0 +#if wxUSE_BMPBUTTON + void wxMacCreateBitmapButton( ControlButtonContentInfo*info , const wxBitmap& bitmap , int forceType ) { memset( info , 0 , sizeof(ControlButtonContentInfo) ) ; @@ -59,33 +56,32 @@ void wxMacCreateBitmapButton( ControlButtonContentInfo*info , const wxBitmap& bi wxBitmapRefData * bmap = bitmap.GetBitmapData() ; if ( bmap == NULL ) return ; - + if ( ( bmap->HasNativeSize() && forceType == 0 ) || forceType == kControlContentIconRef ) { wxBitmap scaleBmp ; - wxBitmapRefData* bmp = bmap ; - + if ( !bmap->HasNativeSize() ) { // as PICT conversion will only result in a 16x16 icon, let's attempt - // a few scales for better results - + // a few scales for better results + int w = bitmap.GetWidth() ; int h = bitmap.GetHeight() ; int sz = wxMax( w , h ) ; - if ( sz == 24 || sz == 64) + if ( sz == 24 || sz == 64 ) { scaleBmp = wxBitmap( bitmap.ConvertToImage().Scale( w * 2 , h * 2 ) ) ; bmp = scaleBmp.GetBitmapData() ; } } - + info->contentType = kControlContentIconRef ; info->u.iconRef = bmp->GetIconRef() ; AcquireIconRef( info->u.iconRef ) ; } -#if wxMAC_USE_CORE_GRAPHICS && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 +#if defined( __WXMAC_OSX__ ) && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 else if ( forceType == kControlContentCGImageRef ) { info->contentType = kControlContentCGImageRef ; @@ -106,11 +102,15 @@ void wxMacReleaseBitmapButton( ControlButtonContentInfo*info ) { ReleaseIconRef( info->u.iconRef ) ; } + else if ( info->contentType == kControlNoContent ) + { + // there's no bitmap at all, fall through silently + } else if ( info->contentType == kControlContentPictHandle ) { // owned by the bitmap, no release here } -#if wxMAC_USE_CORE_GRAPHICS && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 +#if defined( __WXMAC_OSX__ ) && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 else if ( info->contentType == kControlContentCGImageRef ) { CGImageRelease( info->u.imageRef ) ; @@ -122,6 +122,8 @@ void wxMacReleaseBitmapButton( ControlButtonContentInfo*info ) } } +#endif //wxUSE_BMPBUTTON + #define M_BITMAPDATA ((wxBitmapRefData *)m_refData) void wxBitmapRefData::Init() @@ -131,14 +133,16 @@ void wxBitmapRefData::Init() m_depth = 0 ; m_ok = false ; m_bitmapMask = NULL ; -#if wxMAC_USE_CORE_GRAPHICS + +#ifdef __WXMAC_OSX__ m_cgImageRef = NULL ; #endif + m_iconRef = NULL ; m_pictHandle = NULL ; m_hBitmap = NULL ; m_hMaskBitmap = NULL; - m_maskBytesPerRow = NULL ; + m_maskBytesPerRow = 0 ; m_rawAccessCount = 0 ; m_hasAlpha = false; @@ -149,54 +153,59 @@ wxBitmapRefData::wxBitmapRefData() Init() ; } -wxBitmapRefData::wxBitmapRefData( int w , int h , int d ) +wxBitmapRefData::wxBitmapRefData( int w , int h , int d ) { Init() ; Create( w , h , d ) ; } -bool wxBitmapRefData::Create( int w , int h , int d ) +bool wxBitmapRefData::Create( int w , int h , int d ) { m_width = w ; - m_height = h ; + m_height = h ; m_depth = d ; m_bytesPerRow = w * 4 ; size_t size = m_bytesPerRow * h ; - void* data = m_memBuf.GetWriteBuf(size) ; - memset( data , 0 , size) ; - m_memBuf.UngetWriteBuf(size) ; + void* data = m_memBuf.GetWriteBuf( size ) ; + memset( data , 0 , size ) ; + m_memBuf.UngetWriteBuf( size ) ; m_hBitmap = NULL ; Rect rect = { 0 , 0 , m_height , m_width } ; verify_noerr( NewGWorldFromPtr( (GWorldPtr*) &m_hBitmap , k32ARGBPixelFormat , &rect , NULL , NULL , 0 , - (char*) data , m_bytesPerRow ) ) ; + (char*) data , m_bytesPerRow ) ) ; wxASSERT_MSG( m_hBitmap , wxT("Unable to create GWorld context") ) ; + m_ok = ( m_hBitmap != NULL ) ; - return m_ok ; + return m_ok ; } void wxBitmapRefData::UseAlpha( bool use ) { if ( m_hasAlpha == use ) return ; - + m_hasAlpha = use ; if ( m_hasAlpha ) { + wxASSERT( m_hMaskBitmap == NULL ) ; + int width = GetWidth() ; int height = GetHeight() ; m_maskBytesPerRow = ( width * 4 + 3 ) & 0xFFFFFFC ; size_t size = height * m_maskBytesPerRow ; unsigned char * data = (unsigned char * ) m_maskMemBuf.GetWriteBuf( size ) ; + wxASSERT( data != NULL ) ; + memset( data , 0 , size ) ; - wxASSERT( m_hMaskBitmap == NULL ) ; Rect rect = { 0 , 0 , height , width } ; verify_noerr( NewGWorldFromPtr( (GWorldPtr*) &m_hMaskBitmap , k32ARGBPixelFormat , &rect , NULL , NULL , 0 , - (char*) data , m_maskBytesPerRow ) ) ; + (char*) data , m_maskBytesPerRow ) ) ; wxASSERT_MSG( m_hMaskBitmap , wxT("Unable to create GWorld context for alpha mask") ) ; m_maskMemBuf.UngetWriteBuf(size) ; + #if !wxMAC_USE_CORE_GRAPHICS UpdateAlphaMask() ; #endif @@ -215,22 +224,25 @@ void *wxBitmapRefData::GetRawAccess() const return m_memBuf.GetData() ; } -void *wxBitmapRefData::BeginRawAccess() +void *wxBitmapRefData::BeginRawAccess() { wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") ) ; wxASSERT( m_rawAccessCount == 0 ) ; + wxASSERT_MSG( m_pictHandle == NULL && m_iconRef == NULL , + wxT("Currently, modifing bitmaps that are used in controls already is not supported") ) ; + ++m_rawAccessCount ; + +#ifdef __WXMAC_OSX__ // we must destroy an existing cached image, as // the bitmap data may change now - wxASSERT_MSG( m_pictHandle == NULL && m_iconRef == NULL , - wxT("Currently, modifing bitmaps that are used in controls already is not supported") ) ; -#if wxMAC_USE_CORE_GRAPHICS if ( m_cgImageRef ) { CGImageRelease( m_cgImageRef ) ; m_cgImageRef = NULL ; } #endif + return m_memBuf.GetData() ; } @@ -238,7 +250,9 @@ void wxBitmapRefData::EndRawAccess() { wxCHECK_RET( Ok() , wxT("invalid bitmap") ) ; wxASSERT( m_rawAccessCount == 1 ) ; + --m_rawAccessCount ; + #if !wxMAC_USE_CORE_GRAPHICS UpdateAlphaMask() ; #endif @@ -249,10 +263,8 @@ bool wxBitmapRefData::HasNativeSize() int w = GetWidth() ; int h = GetHeight() ; int sz = wxMax( w , h ) ; - - if ( sz == 128 || sz == 48 || sz == 32 || sz == 16 ) - return true ; - return false ; + + return ( sz == 128 || sz == 48 || sz == 32 || sz == 16 ); } IconRef wxBitmapRefData::GetIconRef() @@ -260,60 +272,69 @@ IconRef wxBitmapRefData::GetIconRef() if ( m_iconRef == NULL ) { // Create Icon Family Handle - + IconFamilyHandle iconFamily = NULL ; - - iconFamily = (IconFamilyHandle) NewHandle(8) ; + +#ifdef WORDS_BIGENDIAN + iconFamily = (IconFamilyHandle) NewHandle( 8 ) ; (**iconFamily).resourceType = kIconFamilyType ; (**iconFamily).resourceSize = sizeof(OSType) + sizeof(Size); - +#else + // test this solution on big endian as well + iconFamily = (IconFamilyHandle) NewHandle( 0 ) ; +#endif + int w = GetWidth() ; int h = GetHeight() ; int sz = wxMax( w , h ) ; - + OSType dataType = 0 ; OSType maskType = 0 ; - if ( sz == 128 ) + switch (sz) { - dataType = kThumbnail32BitData ; - maskType = kThumbnail8BitMask ; - } - else if ( sz == 48 ) - { - dataType = kHuge32BitData ; - maskType = kHuge8BitMask ; - } - else if ( sz == 32 ) - { - dataType = kLarge32BitData ; - maskType = kLarge8BitMask ; - } - else if ( sz == 16 ) - { - dataType = kSmall32BitData ; - maskType = kSmall8BitMask ; + case 128: + dataType = kThumbnail32BitData ; + maskType = kThumbnail8BitMask ; + break; + + case 48: + dataType = kHuge32BitData ; + maskType = kHuge8BitMask ; + break; + + case 32: + dataType = kLarge32BitData ; + maskType = kLarge8BitMask ; + break; + + case 16: + dataType = kSmall32BitData ; + maskType = kSmall8BitMask ; + break; + + default: + break; } if ( dataType != 0 ) { // setup the header properly - Handle data = NULL ; + Handle data = NULL ; Handle maskdata = NULL ; unsigned char * maskptr = NULL ; unsigned char * ptr = NULL ; - size_t size ; - size_t masksize ; + size_t datasize, masksize ; - size = sz * sz * 4 ; - data = NewHandle( size) ; + datasize = sz * sz * 4 ; + data = NewHandle( datasize ) ; HLock( data ) ; ptr = (unsigned char*) *data ; - memset( ptr , 0, size ) ; + memset( ptr , 0, datasize ) ; masksize = sz * sz ; - maskdata = NewHandle( masksize ) ; + maskdata = NewHandle( masksize ) ; HLock( maskdata ) ; maskptr = (unsigned char*) *maskdata ; memset( maskptr , 0 , masksize ) ; @@ -322,22 +343,25 @@ IconRef wxBitmapRefData::GetIconRef() wxMask *mask = m_bitmapMask ; unsigned char * source = (unsigned char*) GetRawAccess() ; unsigned char * masksource = mask ? (unsigned char*) mask->GetRawAccess() : NULL ; + for ( int y = 0 ; y < h ; ++y ) { unsigned char * dest = ptr + y * sz * 4 ; unsigned char * maskdest = maskptr + y * sz ; + unsigned char a, r, g, b; + for ( int x = 0 ; x < w ; ++x ) { - unsigned char a = *source ++ ; - unsigned char r = *source ++ ; - unsigned char g = *source ++ ; - unsigned char b = *source ++ ; - + a = *source ++ ; + r = *source ++ ; + g = *source ++ ; + b = *source ++ ; + *dest++ = 0 ; *dest++ = r ; *dest++ = g ; *dest++ = b ; - + if ( mask ) *maskdest++ = *masksource++ ; else if ( hasAlpha ) @@ -346,12 +370,13 @@ IconRef wxBitmapRefData::GetIconRef() *maskdest++ = 0xFF ; } } - + OSStatus err = SetIconFamilyData( iconFamily, dataType , data ) ; wxASSERT_MSG( err == noErr , wxT("Error when adding bitmap") ) ; err = SetIconFamilyData( iconFamily, maskType , maskdata ) ; wxASSERT_MSG( err == noErr , wxT("Error when adding mask") ) ; + HUnlock( data ) ; HUnlock( maskdata ) ; DisposeHandle( data ) ; @@ -359,24 +384,24 @@ IconRef wxBitmapRefData::GetIconRef() } else { - iconFamily = (IconFamilyHandle) NewHandle(8) ; - (**iconFamily).resourceType = kIconFamilyType ; - (**iconFamily).resourceSize = sizeof(OSType) + sizeof(Size); PicHandle pic = GetPictHandle() ; SetIconFamilyData( iconFamily, 'PICT' , (Handle) pic ) ; } - + // transform into IconRef - - static int iconCounter = 2 ; + + static int iconCounter = 2 ; + OSStatus err = RegisterIconRefFromIconFamily( 'WXNG' , (OSType) iconCounter, iconFamily, &m_iconRef ) ; wxASSERT_MSG( err == noErr , wxT("Error when adding bitmap") ) ; - // we have to retain a reference, as Unregister will decrement it + + // we have to retain a reference, as Unregister will decrement it AcquireIconRef( m_iconRef ) ; UnregisterIconRef( 'WXNG' , (OSType) iconCounter ) ; DisposeHandle( (Handle) iconFamily ) ; ++iconCounter ; } + return m_iconRef ; } @@ -384,21 +409,19 @@ PicHandle wxBitmapRefData::GetPictHandle() { if ( m_pictHandle == NULL ) { - CGrafPtr origPort = NULL ; - GDHandle origDev = NULL ; - GWorldPtr wp = NULL ; - GWorldPtr mask = NULL ; + CGrafPtr origPort = NULL ; + GDHandle origDev = NULL ; + GWorldPtr wp = NULL ; + GWorldPtr mask = NULL ; int height = GetHeight() ; int width = GetWidth() ; - + Rect rect = { 0 , 0 , height , width } ; + RgnHandle clipRgn = NULL ; GetGWorld( &origPort , &origDev ) ; - wp = GetHBITMAP( &mask ) ; - RgnHandle clipRgn = NULL ; - if ( mask ) { GWorldPtr monoworld ; @@ -408,16 +431,19 @@ PicHandle wxBitmapRefData::GetPictHandle() LockPixels( GetGWorldPixMap( monoworld ) ) ; LockPixels( GetGWorldPixMap( mask ) ) ; SetGWorld( monoworld , NULL ) ; - RGBColor white = { 0xffff ,0xffff , 0xffff } ; - RGBColor black = { 0x0000 ,0x0000 , 0x0000 } ; + + RGBColor white = { 0xffff , 0xffff , 0xffff } ; + RGBColor black = { 0x0000 , 0x0000 , 0x0000 } ; RGBForeColor( &black ) ; RGBBackColor( &white ) ; + CopyBits(GetPortBitMapForCopyBits(mask), GetPortBitMapForCopyBits(monoworld), &rect, &rect, - srcCopy,NULL); + srcCopy, NULL); BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( monoworld ) ) ; + UnlockPixels( GetGWorldPixMap( monoworld ) ) ; UnlockPixels( GetGWorldPixMap( mask ) ) ; DisposeGWorld( monoworld ) ; @@ -427,11 +453,12 @@ PicHandle wxBitmapRefData::GetPictHandle() Rect portRect ; GetPortBounds( wp , &portRect ) ; m_pictHandle = OpenPicture(&portRect); - - if(m_pictHandle) + + if (m_pictHandle) { - RGBColor white = { 0xffff ,0xffff , 0xffff } ; - RGBColor black = { 0x0000 ,0x0000 , 0x0000 } ; + RGBColor white = { 0xffff , 0xffff , 0xffff } ; + RGBColor black = { 0x0000 , 0x0000 , 0x0000 } ; + RGBForeColor( &black ) ; RGBBackColor( &white ) ; @@ -447,18 +474,22 @@ PicHandle wxBitmapRefData::GetPictHandle() UnlockPixels( GetGWorldPixMap( wp ) ) ; ClosePicture(); } + SetGWorld( origPort , origDev ) ; if ( clipRgn ) DisposeRgn( clipRgn ) ; } + return m_pictHandle ; } -#if wxMAC_USE_CORE_GRAPHICS +#ifdef __WXMAC_OSX__ void wxMacMemoryBufferReleaseProc(void *info, const void *data, size_t size) { wxMemoryBuffer* membuf = (wxMemoryBuffer*) info ; + wxASSERT( data == membuf->GetData() ) ; + delete membuf ; } @@ -475,57 +506,62 @@ CGImageRef wxBitmapRefData::CGImageCreate() const int h = m_height ; CGImageAlphaInfo alphaInfo = kCGImageAlphaNoneSkipFirst ; wxMemoryBuffer* membuf = NULL ; - + if ( m_bitmapMask ) { + alphaInfo = kCGImageAlphaFirst ; membuf = new wxMemoryBuffer( imageSize ) ; memcpy( membuf->GetData() , dataBuffer , imageSize ) ; unsigned char *sourcemaskstart = (unsigned char *) m_bitmapMask->GetRawAccess() ; int maskrowbytes = m_bitmapMask->GetBytesPerRow() ; unsigned char *destalpha = (unsigned char *) membuf->GetData() ; - alphaInfo = kCGImageAlphaFirst ; for ( int y = 0 ; y < h ; ++y , sourcemaskstart += maskrowbytes) { unsigned char *sourcemask = sourcemaskstart ; - for( int x = 0 ; x < w ; ++x , sourcemask++ , destalpha += 4 ) + for ( int x = 0 ; x < w ; ++x , sourcemask++ , destalpha += 4 ) { *destalpha = *sourcemask ; } } } - else if ( m_hasAlpha ) + else { + if ( m_hasAlpha ) + { #if wxMAC_USE_PREMULTIPLIED_ALPHA - alphaInfo = kCGImageAlphaPremultipliedFirst ; + alphaInfo = kCGImageAlphaPremultipliedFirst ; #else - alphaInfo = kCGImageAlphaFirst ; + alphaInfo = kCGImageAlphaFirst ; #endif + } + membuf = new wxMemoryBuffer( m_memBuf ) ; } - else - { - membuf = new wxMemoryBuffer( m_memBuf ) ; - } + CGColorSpaceRef colorSpace = wxMacGetGenericRGBColorSpace(); - CGDataProviderRef dataProvider = - CGDataProviderCreateWithData( membuf , (const void *)membuf->GetData() , imageSize, - wxMacMemoryBufferReleaseProc ); - image = - ::CGImageCreate( w, h, 8 , 32 , 4 * m_width , colorSpace, alphaInfo , - dataProvider, NULL , false , kCGRenderingIntentDefault ); - CGDataProviderRelease( dataProvider); + CGDataProviderRef dataProvider = + CGDataProviderCreateWithData( + membuf , (const void *)membuf->GetData() , imageSize, + wxMacMemoryBufferReleaseProc ); + image = + ::CGImageCreate( + w, h, 8 , 32 , 4 * m_width , colorSpace, alphaInfo , + dataProvider, NULL , false , kCGRenderingIntentDefault ); + CGDataProviderRelease( dataProvider); } else { image = m_cgImageRef ; CGImageRetain( image ) ; } + if ( m_rawAccessCount == 0 && m_cgImageRef == NULL) { // we keep it for later use m_cgImageRef = image ; CGImageRetain( image ) ; - } + } + return image ; } #endif @@ -537,37 +573,42 @@ GWorldPtr wxBitmapRefData::GetHBITMAP(GWorldPtr* mask) const { *mask = NULL ; if ( m_bitmapMask ) - *mask = (GWorldPtr) m_bitmapMask->GetHBITMAP() ; + { + *mask = (GWorldPtr) m_bitmapMask->GetHBITMAP() ; + } else if ( m_hasAlpha ) { #if !wxMAC_USE_CORE_GRAPHICS if ( m_rawAccessCount > 0 ) UpdateAlphaMask() ; #else - // this structure is not kept in synch when using CG, so if someone - // is really accessing the Graphports, we have to sync it + // this structure is not kept in synch when using CG, so if something + // is really accessing the GrafPorts, we have to sync it UpdateAlphaMask() ; #endif + *mask = m_hMaskBitmap ; } } + return m_hBitmap ; } -void wxBitmapRefData::UpdateAlphaMask() const +void wxBitmapRefData::UpdateAlphaMask() const { if ( m_hasAlpha ) { unsigned char *sourcemask = (unsigned char *) GetRawAccess() ; unsigned char *destalphabase = (unsigned char *) m_maskMemBuf.GetData() ; - + int h = GetHeight() ; int w = GetWidth() ; - + for ( int y = 0 ; y < h ; ++y , destalphabase += m_maskBytesPerRow ) { unsigned char* destalpha = destalphabase ; - for( int x = 0 ; x < w ; ++x , sourcemask += 4 ) + + for ( int x = 0 ; x < w ; ++x , sourcemask += 4 ) { // we must have 24 bit depth for non quartz smooth alpha *destalpha++ = 255 ; @@ -583,28 +624,32 @@ void wxBitmapRefData::Free() { wxASSERT_MSG( m_rawAccessCount == 0 , wxT("Bitmap still selected when destroyed") ) ; -#if wxMAC_USE_CORE_GRAPHICS +#ifdef __WXMAC_OSX__ if ( m_cgImageRef ) { CGImageRelease( m_cgImageRef ) ; m_cgImageRef = NULL ; } #endif + if ( m_iconRef ) { ReleaseIconRef( m_iconRef ) ; m_iconRef = NULL ; } + if ( m_pictHandle ) { KillPicture( m_pictHandle ) ; m_pictHandle = NULL ; } + if ( m_hBitmap ) { DisposeGWorld( MAC_WXHBITMAP(m_hBitmap) ) ; m_hBitmap = NULL ; } + if ( m_hMaskBitmap ) { DisposeGWorld( MAC_WXHBITMAP(m_hMaskBitmap) ) ; @@ -625,65 +670,70 @@ wxBitmapRefData::~wxBitmapRefData() bool wxBitmap::CopyFromIcon(const wxIcon& icon) { + bool created = false ; int w = icon.GetWidth() ; int h = icon.GetHeight() ; - Create( icon.GetWidth() , icon.GetHeight() ) ; - bool created = false ; - if ( w == h && ( w == 16 || w == 32 || w == 48 || w == 128 ) ) { IconFamilyHandle iconFamily = NULL ; - Handle imagehandle = NewHandle(0) ; - Handle maskhandle = NewHandle(0) ; - + Handle imagehandle = NewHandle( 0 ) ; + Handle maskhandle = NewHandle( 0 ) ; + OSType maskType = 0; OSType dataType = 0; - IconSelectorValue selector = 0 ; - if ( w == 128 ) - { - dataType = kThumbnail32BitData ; - maskType = kThumbnail8BitMask ; - selector = kSelectorAllAvailableData ; - } - else if ( w == 48 ) - { - dataType = kHuge32BitData ; - maskType = kHuge8BitMask ; - selector = kSelectorHuge32Bit | kSelectorHuge8BitMask ; - } - else if ( w == 32 ) - { - dataType = kLarge32BitData ; - maskType = kLarge8BitMask ; - selector = kSelectorLarge32Bit | kSelectorLarge8BitMask ; - } - else if ( w == 16 ) + IconSelectorValue selector = 0 ; + + switch (w) { - dataType = kSmall32BitData ; - maskType = kSmall8BitMask ; - selector = kSelectorSmall32Bit | kSelectorSmall8BitMask ; + case 128: + dataType = kThumbnail32BitData ; + maskType = kThumbnail8BitMask ; + selector = kSelectorAllAvailableData ; + break; + + case 48: + dataType = kHuge32BitData ; + maskType = kHuge8BitMask ; + selector = kSelectorHuge32Bit | kSelectorHuge8BitMask ; + break; + + case 32: + dataType = kLarge32BitData ; + maskType = kLarge8BitMask ; + selector = kSelectorLarge32Bit | kSelectorLarge8BitMask ; + break; + + case 16: + dataType = kSmall32BitData ; + maskType = kSmall8BitMask ; + selector = kSelectorSmall32Bit | kSelectorSmall8BitMask ; + break; + + default: + break; } + OSStatus err = IconRefToIconFamily( MAC_WXHICON(icon.GetHICON()) , selector , &iconFamily ) ; - OSStatus err = ( IconRefToIconFamily( MAC_WXHICON(icon.GetHICON()) , selector , &iconFamily ) ) ; - - err =( GetIconFamilyData( iconFamily , dataType , imagehandle ) ) ; - err =( GetIconFamilyData( iconFamily , maskType , maskhandle ) ) ; + err = GetIconFamilyData( iconFamily , dataType , imagehandle ) ; + err = GetIconFamilyData( iconFamily , maskType , maskhandle ) ; size_t imagehandlesize = GetHandleSize( imagehandle ) ; size_t maskhandlesize = GetHandleSize( maskhandle ) ; - + if ( imagehandlesize != 0 && maskhandlesize != 0 ) { wxASSERT( GetHandleSize( imagehandle ) == w * 4 * h ) ; wxASSERT( GetHandleSize( maskhandle ) == w * h ) ; + UseAlpha() ; + unsigned char *source = (unsigned char *) *imagehandle ; unsigned char *sourcemask = (unsigned char *) *maskhandle ; - unsigned char* destination = (unsigned char*) BeginRawAccess() ; + for ( int y = 0 ; y < h ; ++y ) { for ( int x = 0 ; x < w ; ++x ) @@ -695,21 +745,24 @@ bool wxBitmap::CopyFromIcon(const wxIcon& icon) *destination++ = *source++ ; } } + EndRawAccess() ; DisposeHandle( imagehandle ) ; DisposeHandle( maskhandle ) ; + created = true ; } + DisposeHandle( (Handle) iconFamily ) ; - } - + if ( !created ) - { + { wxMemoryDC dc ; dc.SelectObject( *this ) ; dc.DrawIcon( icon , 0 , 0 ) ; dc.SelectObject( wxNullBitmap ) ; } + return true; } @@ -728,18 +781,22 @@ wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits if ( no_bits == 1 ) { int linesize = ( the_width / (sizeof(unsigned char) * 8)) ; - if ( the_width % (sizeof(unsigned char) * 8) ) { + if ( the_width % (sizeof(unsigned char) * 8) ) linesize += sizeof(unsigned char); - } + unsigned char* linestart = (unsigned char*) bits ; unsigned char* destination = (unsigned char*) BeginRawAccess() ; + for ( int y = 0 ; y < the_height ; ++y , linestart += linesize ) { + int index, bit, mask; + for ( int x = 0 ; x < the_width ; ++x ) { - int index = x / 8 ; - int bit = x % 8 ; - int mask = 1 << bit ; + index = x / 8 ; + bit = x % 8 ; + mask = 1 << bit ; + if ( linestart[index] & mask ) { *destination++ = 0xFF ; @@ -756,6 +813,7 @@ wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits } } } + EndRawAccess() ; } else @@ -789,38 +847,50 @@ wxBitmap::wxBitmap(char **bits) (void) CreateFromXpm((const char **)bits); } -void* wxBitmap::GetRawAccess() const +void * wxBitmap::GetRawAccess() const { wxCHECK_MSG( Ok() , NULL , wxT("invalid bitmap") ) ; + return M_BITMAPDATA->GetRawAccess() ; } -void* wxBitmap::BeginRawAccess() +void * wxBitmap::BeginRawAccess() { wxCHECK_MSG( Ok() , NULL , wxT("invalid bitmap") ) ; + return M_BITMAPDATA->BeginRawAccess() ; } void wxBitmap::EndRawAccess() { wxCHECK_RET( Ok() , wxT("invalid bitmap") ) ; + M_BITMAPDATA->EndRawAccess() ; } bool wxBitmap::CreateFromXpm(const char **bits) { - wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") ) +#if wxUSE_IMAGE + wxCHECK_MSG( bits != NULL, false, wxT("invalid bitmap data") ) + wxXPMDecoder decoder; wxImage img = decoder.ReadData(bits); - wxCHECK_MSG( img.Ok(), FALSE, wxT("invalid bitmap data") ) + wxCHECK_MSG( img.Ok(), false, wxT("invalid bitmap data") ) + *this = wxBitmap(img); - return TRUE; + + return true; +#else + + return false; +#endif } -#if wxMAC_USE_CORE_GRAPHICS +#ifdef __WXMAC_OSX__ WXCGIMAGEREF wxBitmap::CGImageCreate() const { wxCHECK_MSG( Ok(), NULL , wxT("invalid bitmap") ) ; + return M_BITMAPDATA->CGImageCreate() ; } #endif @@ -833,45 +903,52 @@ wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const (rect.y+rect.height <= GetHeight()), wxNullBitmap, wxT("invalid bitmap or bitmap region") ); - wxBitmap ret( rect.width, rect.height, GetDepth() ); wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") ); - int sourcewidth = GetWidth() ; int destwidth = rect.width ; int destheight = rect.height ; + { - unsigned char * sourcedata = (unsigned char*) GetRawAccess() ; - unsigned char * destdata = (unsigned char*) ret.BeginRawAccess() ; + unsigned char *sourcedata = (unsigned char*) GetRawAccess() ; + unsigned char *destdata = (unsigned char*) ret.BeginRawAccess() ; + wxASSERT( (sourcedata != NULL) && (destdata != NULL) ) ; + int sourcelinesize = sourcewidth * 4 ; int destlinesize = destwidth * 4 ; unsigned char *source = sourcedata + rect.x * 4 + rect.y * sourcelinesize ; unsigned char *dest = destdata ; - for(int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize) + + for (int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize) { memcpy( dest , source , destlinesize ) ; } } + ret.EndRawAccess() ; - + if ( M_BITMAPDATA->m_bitmapMask ) { wxMemoryBuffer maskbuf ; int rowBytes = ( destwidth + 3 ) & 0xFFFFFFC ; size_t maskbufsize = rowBytes * destheight ; - unsigned char * destdata = (unsigned char * ) maskbuf.GetWriteBuf( maskbufsize ) ; int sourcelinesize = M_BITMAPDATA->m_bitmapMask->GetBytesPerRow() ; int destlinesize = rowBytes ; + unsigned char *source = (unsigned char *) M_BITMAPDATA->m_bitmapMask->GetRawAccess() ; + unsigned char *destdata = (unsigned char * ) maskbuf.GetWriteBuf( maskbufsize ) ; + wxASSERT( (source != NULL) && (destdata != NULL) ) ; + source += rect.x + rect.y * sourcelinesize ; unsigned char *dest = destdata ; - for(int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize) + for (int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize) { memcpy( dest , source , destlinesize ) ; } + maskbuf.UngetWriteBuf( maskbufsize ) ; ret.SetMask( new wxMask( maskbuf , destwidth , destheight , rowBytes ) ) ; } @@ -907,13 +984,19 @@ bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type) } else { +#if wxUSE_IMAGE wxImage loadimage(filename, type); - if (loadimage.Ok()) { + if (loadimage.Ok()) + { *this = loadimage; + return true; } +#endif } + wxLogWarning(wxT("no bitmap handler for type %d defined."), type); + return false; } @@ -925,15 +1008,18 @@ bool wxBitmap::Create(void *data, wxBitmapType type, int width, int height, int wxBitmapHandler *handler = FindHandler(type); - if ( handler == NULL ) { + if ( handler == NULL ) + { wxLogWarning(wxT("no bitmap handler for type %d defined."), type); - return FALSE; + return false; } return handler->Create(this, data, type, width, height, depth); } +#if wxUSE_IMAGE + wxBitmap::wxBitmap(const wxImage& image, int depth) { wxCHECK_RET( image.Ok(), wxT("invalid image") ) @@ -942,12 +1028,12 @@ wxBitmap::wxBitmap(const wxImage& image, int depth) int width = image.GetWidth(); int height = image.GetHeight(); - m_refData = new wxBitmapRefData( width , height , depth ) ;; + m_refData = new wxBitmapRefData( width , height , depth ) ; // Create picture bool hasAlpha = false ; - + if ( image.HasMask() ) { // takes precedence, don't mix with alpha info @@ -956,14 +1042,14 @@ wxBitmap::wxBitmap(const wxImage& image, int depth) { hasAlpha = image.HasAlpha() ; } - + if ( hasAlpha ) UseAlpha() ; - - unsigned char* destination = (unsigned char*) BeginRawAccess() ; + unsigned char* destination = (unsigned char*) BeginRawAccess() ; register unsigned char* data = image.GetData(); const unsigned char *alpha = hasAlpha ? image.GetAlpha() : NULL ; + for (int y = 0; y < height; y++) { for (int x = 0; x < width; x++) @@ -972,10 +1058,11 @@ wxBitmap::wxBitmap(const wxImage& image, int depth) { const unsigned char a = *alpha++; *destination++ = a ; + #if wxMAC_USE_PREMULTIPLIED_ALPHA - *destination++ = ((*data++) * a + 127 ) / 255 ; - *destination++ = ((*data++) * a + 127 ) / 255 ; - *destination++ = ((*data++) * a + 127 ) / 255 ; + *destination++ = ((*data++) * a + 127) / 255 ; + *destination++ = ((*data++) * a + 127) / 255 ; + *destination++ = ((*data++) * a + 127) / 255 ; #else *destination++ = *data++ ; *destination++ = *data++ ; @@ -991,11 +1078,10 @@ wxBitmap::wxBitmap(const wxImage& image, int depth) } } } + EndRawAccess() ; if ( image.HasMask() ) - { SetMask( new wxMask( *this , wxColour( image.GetMaskRed() , image.GetMaskGreen() , image.GetMaskBlue() ) ) ) ; - } } wxImage wxBitmap::ConvertToImage() const @@ -1016,17 +1102,18 @@ wxImage wxBitmap::ConvertToImage() const bool hasAlpha = false ; bool hasMask = false ; + int maskBytesPerRow = 0 ; unsigned char *alpha = NULL ; unsigned char *mask = NULL ; + if ( HasAlpha() ) - { hasAlpha = true ; - } if ( GetMask() ) { hasMask = true ; mask = (unsigned char*) GetMask()->GetRawAccess() ; + maskBytesPerRow = GetMask()->GetBytesPerRow() ; } if ( hasAlpha ) @@ -1034,8 +1121,9 @@ wxImage wxBitmap::ConvertToImage() const image.SetAlpha() ; alpha = image.GetAlpha() ; } + int index = 0; - + // The following masking algorithm is the same as well in msw/gtk: // the colour used as transparent one in wxImage and the one it is // replaced with when it really occurs in the bitmap @@ -1044,28 +1132,30 @@ wxImage wxBitmap::ConvertToImage() const static const int MASK_BLUE = 3; static const int MASK_BLUE_REPLACEMENT = 2; - for (int yy = 0; yy < height; yy++) + for (int yy = 0; yy < height; yy++ , mask += maskBytesPerRow ) { + unsigned char * maskp = mask ; + unsigned char a, r, g, b; + long color; + for (int xx = 0; xx < width; xx++) { - long color = *((long*) source) ; - unsigned char a = ((color&0xFF000000) >> 24) ; - unsigned char r = ((color&0x00FF0000) >> 16) ; - unsigned char g = ((color&0x0000FF00) >> 8) ; - unsigned char b = (color&0x000000FF); + color = *((long*) source) ; + a = ((color&0xFF000000) >> 24) ; + r = ((color&0x00FF0000) >> 16) ; + g = ((color&0x0000FF00) >> 8) ; + b = (color&0x000000FF); + if ( hasMask ) { - if ( *mask++ == 0 ) + if ( *maskp++ == 0 ) { - if ( r == MASK_RED && g == MASK_GREEN && b == MASK_BLUE ) - b = MASK_BLUE_REPLACEMENT ; - else - { - r = MASK_RED ; - g = MASK_GREEN ; - b = MASK_BLUE ; - } + r = MASK_RED ; + g = MASK_GREEN ; + b = MASK_BLUE ; } + else if ( r == MASK_RED && g == MASK_GREEN && b == MASK_BLUE ) + b = MASK_BLUE_REPLACEMENT ; } else if ( hasAlpha ) *alpha++ = a ; @@ -1073,34 +1163,41 @@ wxImage wxBitmap::ConvertToImage() const data[index ] = r ; data[index + 1] = g ; data[index + 2] = b ; + index += 3; source += 4 ; } } + if ( hasMask ) image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE ); + return image; } +#endif //wxUSE_IMAGE bool wxBitmap::SaveFile(const wxString& filename, wxBitmapType type, const wxPalette *palette) const { + bool success = false; wxBitmapHandler *handler = FindHandler(type); if ( handler ) { - return handler->SaveFile(this, filename, type, palette); + success = handler->SaveFile(this, filename, type, palette); } else { +#if wxUSE_IMAGE wxImage image = ConvertToImage(); - - return image.SaveFile(filename, type); + success = image.SaveFile(filename, type); +#else + wxLogWarning(wxT("no bitmap handler for type %d defined."), type); +#endif } - wxLogWarning(wxT("no bitmap handler for type %d defined."), type); - return false; + return success; } bool wxBitmap::Ok() const @@ -1130,12 +1227,14 @@ int wxBitmap::GetDepth() const } #if WXWIN_COMPATIBILITY_2_4 - int wxBitmap::GetQuality() const { return 0; } +void wxBitmap::SetQuality(int WXUNUSED(quality)) +{ +} #endif wxMask *wxBitmap::GetMask() const @@ -1176,14 +1275,6 @@ void wxBitmap::SetDepth(int d) M_BITMAPDATA->SetDepth(d); } -#if WXWIN_COMPATIBILITY_2_4 - -void wxBitmap::SetQuality(int WXUNUSED(quality)) -{ -} - -#endif - void wxBitmap::SetOk(bool isOk) { if (!M_BITMAPDATA) @@ -1250,7 +1341,7 @@ wxMask::wxMask(const wxBitmap& bitmap) } // Construct a mask from a mono bitmap (copies the bitmap). -wxMask::wxMask(const wxMemoryBuffer& data, int width , int height , int bytesPerRow ) +wxMask::wxMask( const wxMemoryBuffer& data, int width , int height , int bytesPerRow ) { Init() ; Create(data, width , height , bytesPerRow ); @@ -1265,7 +1356,7 @@ wxMask::~wxMask() } } -void wxMask::Init() +void wxMask::Init() { m_width = m_height = m_bytesPerRow = 0 ; m_maskBitmap = NULL ; @@ -1277,18 +1368,19 @@ void *wxMask::GetRawAccess() const } // this can be a k8IndexedGrayPixelFormat GWorld, because it never stores other values than black or white -// so no rainbox colors will be created by QD when blitting +// so no QD colorizing will occur when blitting -void wxMask::RealizeNative() +void wxMask::RealizeNative() { if ( m_maskBitmap ) { DisposeGWorld( (GWorldPtr) m_maskBitmap ) ; m_maskBitmap = NULL ; } + Rect rect = { 0 , 0 , m_height , m_width } ; verify_noerr( NewGWorldFromPtr( (GWorldPtr*) &m_maskBitmap , k8IndexedGrayPixelFormat , &rect , NULL , NULL , 0 , - (char*) m_memBuf.GetData() , m_bytesPerRow ) ) ; + (char*) m_memBuf.GetData() , m_bytesPerRow ) ) ; } // Create a mask from a mono bitmap (copies the bitmap). @@ -1298,8 +1390,11 @@ bool wxMask::Create(const wxMemoryBuffer& data,int width , int height , int byte m_width = width ; m_height = height ; m_bytesPerRow = bytesPerRow ; + wxASSERT( data.GetDataLen() == (size_t)(height * bytesPerRow) ) ; + RealizeNative() ; + return true ; } @@ -1309,28 +1404,37 @@ bool wxMask::Create(const wxBitmap& bitmap) m_width = bitmap.GetWidth() ; m_height = bitmap.GetHeight() ; m_bytesPerRow = ( m_width + 3 ) & 0xFFFFFFC ; + size_t size = m_bytesPerRow * m_height ; unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ; + wxASSERT( destdatabase != NULL ) ; + memset( destdatabase , 0 , size ) ; unsigned char * srcdata = (unsigned char*) bitmap.GetRawAccess() ; + for ( int y = 0 ; y < m_height ; ++y , destdatabase += m_bytesPerRow ) { - unsigned char *destdata= destdatabase ; - for( int x = 0 ; x < m_width ; ++x ) + unsigned char *destdata = destdatabase ; + unsigned char r, g, b; + + for ( int x = 0 ; x < m_width ; ++x ) { srcdata++ ; - unsigned char r = *srcdata++ ; - unsigned char g = *srcdata++ ; - unsigned char b = *srcdata++ ; + r = *srcdata++ ; + g = *srcdata++ ; + b = *srcdata++ ; + if ( ( r + g + b ) > 0x10 ) *destdata++ = 0x00 ; else *destdata++ = 0xFF ; } } + m_memBuf.UngetWriteBuf( size ) ; RealizeNative() ; - return TRUE; + + return true; } // Create a mask from a bitmap and a colour indicating @@ -1340,29 +1444,37 @@ bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour) m_width = bitmap.GetWidth() ; m_height = bitmap.GetHeight() ; m_bytesPerRow = ( m_width + 3 ) & 0xFFFFFFC ; - size_t size = m_bytesPerRow * m_height ; + size_t size = m_bytesPerRow * m_height ; unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ; + wxASSERT( destdatabase != NULL ) ; + memset( destdatabase , 0 , size ) ; unsigned char * srcdata = (unsigned char*) bitmap.GetRawAccess() ; + for ( int y = 0 ; y < m_height ; ++y , destdatabase += m_bytesPerRow) { - unsigned char *destdata= destdatabase ; - for( int x = 0 ; x < m_width ; ++x ) + unsigned char *destdata = destdatabase ; + unsigned char r, g, b; + + for ( int x = 0 ; x < m_width ; ++x ) { srcdata++ ; - unsigned char r = *srcdata++ ; - unsigned char g = *srcdata++ ; - unsigned char b = *srcdata++ ; + r = *srcdata++ ; + g = *srcdata++ ; + b = *srcdata++ ; + if ( colour == wxColour( r , g , b) ) *destdata++ = 0x00 ; else *destdata++ = 0xFF ; } } + m_memBuf.UngetWriteBuf( size ) ; RealizeNative() ; - return TRUE; + + return true; } WXHBITMAP wxMask::GetHBITMAP() const @@ -1380,18 +1492,18 @@ wxBitmapHandler::~wxBitmapHandler() bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth) { - return FALSE; + return false; } bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags, int desiredWidth, int desiredHeight) { - return FALSE; + return false; } bool wxBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette) { - return FALSE; + return false; } // ---------------------------------------------------------------------------- @@ -1401,6 +1513,7 @@ bool wxBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, int class WXDLLEXPORT wxPICTResourceHandler: public wxBitmapHandler { DECLARE_DYNAMIC_CLASS(wxPICTResourceHandler) + public: inline wxPICTResourceHandler() { @@ -1415,7 +1528,7 @@ public: IMPLEMENT_DYNAMIC_CLASS(wxPICTResourceHandler, wxBitmapHandler) -bool wxPICTResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags, +bool wxPICTResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags, int desiredWidth, int desiredHeight) { #if wxUSE_METAFILE @@ -1426,23 +1539,24 @@ bool wxPICTResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, lo if ( thePict ) { wxMetafile mf ; - mf.SetHMETAFILE((WXHMETAFILE) thePict ) ; + mf.SetHMETAFILE( (WXHMETAFILE) thePict ) ; bitmap->Create( mf.GetWidth() , mf.GetHeight() ) ; wxMemoryDC dc ; dc.SelectObject( *bitmap ) ; mf.Play( &dc ) ; dc.SelectObject( wxNullBitmap ) ; - return TRUE ; + + return true ; } #endif //wxUSE_METAFILE - return FALSE ; -} + return false ; +} void wxBitmap::InitStandardHandlers() { - AddHandler(new wxPICTResourceHandler) ; - AddHandler(new wxICONResourceHandler) ; + AddHandler( new wxPICTResourceHandler ) ; + AddHandler( new wxICONResourceHandler ) ; } // ---------------------------------------------------------------------------- @@ -1452,14 +1566,13 @@ void wxBitmap::InitStandardHandlers() void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp) { if ( !Ok() ) - { // no bitmap, no data (raw or otherwise) return NULL; - } data.m_width = GetWidth() ; data.m_height = GetHeight() ; data.m_stride = GetWidth() * 4 ; + return GetRawAccess() ; } @@ -1471,49 +1584,47 @@ void wxBitmap::UngetRawData(wxPixelDataBase& dataBase) // TODO : if we have some information about the API we should check // this code looks strange... - if ( M_BITMAPDATA->HasAlpha() ) - { - wxAlphaPixelData& data = (wxAlphaPixelData&)dataBase; - - int w = data.GetWidth(), - h = data.GetHeight(); + if ( !M_BITMAPDATA->HasAlpha() ) + return; - wxBitmap bmpMask(GetWidth(), GetHeight(), 32); - wxAlphaPixelData dataMask(bmpMask, data.GetOrigin(), wxSize(w, h)); - wxAlphaPixelData::Iterator pMask(dataMask), - p(data); - for ( int y = 0; y < h; y++ ) - { - wxAlphaPixelData::Iterator rowStartMask = pMask, - rowStart = p; + wxAlphaPixelData& data = (wxAlphaPixelData&)dataBase; + int w = data.GetWidth(); + int h = data.GetHeight(); - for ( int x = 0; x < w; x++ ) - { - const wxAlphaPixelData::Iterator::ChannelType - alpha = p.Alpha(); + wxBitmap bmpMask( GetWidth(), GetHeight(), 32 ); + wxAlphaPixelData dataMask( bmpMask, data.GetOrigin(), wxSize( w, h ) ); + wxAlphaPixelData::Iterator pMask( dataMask ), p( data ); - pMask.Red() = alpha; - pMask.Green() = alpha; - pMask.Blue() = alpha; + for ( int y = 0; y < h; y++ ) + { + wxAlphaPixelData::Iterator rowStartMask = pMask; + wxAlphaPixelData::Iterator rowStart = p; - ++p; - ++pMask; - } + for ( int x = 0; x < w; x++ ) + { + const wxAlphaPixelData::Iterator::ChannelType alpha = p.Alpha(); - p = rowStart; - p.OffsetY(data, 1); + pMask.Red() = alpha; + pMask.Green() = alpha; + pMask.Blue() = alpha; - pMask = rowStartMask; - pMask.OffsetY(dataMask, 1); + ++p; + ++pMask; } - SetMask(new wxMask(bmpMask)); + p = rowStart; + p.OffsetY( data, 1 ); + + pMask = rowStartMask; + pMask.OffsetY( dataMask, 1 ); } + + SetMask( new wxMask( bmpMask ) ); } void wxBitmap::UseAlpha() { - // remember that we are using alpha channel, we'll need to create a proper - // mask in UngetRawData() + // remember that we are using alpha channel: + // we'll need to create a proper mask in UngetRawData() M_BITMAPDATA->UseAlpha( true ); }