X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8208e181cb576ec6cda37624923f95a59af43072..0c9d7ace58512847c3aa4177c650723b6e971a28:/src/mac/carbon/bitmap.cpp diff --git a/src/mac/carbon/bitmap.cpp b/src/mac/carbon/bitmap.cpp index 1ae5a445d4..4b2a1526b4 100644 --- a/src/mac/carbon/bitmap.cpp +++ b/src/mac/carbon/bitmap.cpp @@ -1,325 +1,1279 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: bitmap.cpp +// Name: src/mac/carbon/bitmap.cpp // Purpose: wxBitmap -// Author: AUTHOR +// Author: Stefan Csomor // Modified by: -// Created: ??/??/98 +// Created: 1998-01-01 // RCS-ID: $Id$ -// Copyright: (c) AUTHOR +// Copyright: (c) Stefan Csomor // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "bitmap.h" -#endif +#include "wx/wxprec.h" -#include "wx/setup.h" -#include "wx/utils.h" -#include "wx/palette.h" #include "wx/bitmap.h" -#include "wx/icon.h" -#include "wx/log.h" -extern "C" +#ifndef WX_PRECOMP + #include "wx/log.h" + #include "wx/dcmemory.h" + #include "wx/icon.h" + #include "wx/image.h" +#endif + +#include "wx/metafile.h" +#include "wx/xpmdecod.h" + +#include "wx/rawbmp.h" + +IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject) +IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject) +IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject) + +#ifdef __DARWIN__ + #include +#else + #include +#endif + +#include "wx/mac/uma.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, +// 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 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) ) ; + if ( bitmap.Ok() ) + { + 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 + + int w = bitmap.GetWidth() ; + int h = bitmap.GetHeight() ; + int sz = wxMax( w , h ) ; + 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 defined( __WXMAC_OSX__ ) && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 + else if ( forceType == kControlContentCGImageRef ) + { + info->contentType = kControlContentCGImageRef ; + info->u.imageRef = (CGImageRef) bmap->CGImageCreate() ; + } +#endif + else + { + info->contentType = kControlContentPictHandle ; + info->u.picture = bmap->GetPictHandle() ; + } + } +} + +void wxMacReleaseBitmapButton( ControlButtonContentInfo*info ) +{ + if ( info->contentType == kControlContentIconRef ) + { + 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 defined( __WXMAC_OSX__ ) && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 + else if ( info->contentType == kControlContentCGImageRef ) + { + CGImageRelease( info->u.imageRef ) ; + } +#endif + else + { + wxFAIL_MSG(wxT("Unexpected bitmap type") ) ; + } +} + +#endif //wxUSE_BMPBUTTON + +#define M_BITMAPDATA ((wxBitmapRefData *)m_refData) + +void wxBitmapRefData::Init() { - #include "xpm.h" -} ; + m_width = 0 ; + m_height = 0 ; + m_depth = 0 ; + m_ok = false ; + m_bitmapMask = NULL ; + +#ifdef __WXMAC_OSX__ + m_cgImageRef = NULL ; +#endif + + m_iconRef = NULL ; + m_pictHandle = NULL ; + m_hBitmap = NULL ; + m_hMaskBitmap = NULL; + m_maskBytesPerRow = 0 ; + + m_rawAccessCount = 0 ; + m_hasAlpha = false; +} + +wxBitmapRefData::wxBitmapRefData() +{ + Init() ; +} + +wxBitmapRefData::wxBitmapRefData( int w , int h , int d ) +{ + Init() ; + Create( w , h , d ) ; +} + +bool wxBitmapRefData::Create( int w , int h , int d ) +{ + m_width = wxMax(1, w); + m_height = wxMax(1, 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 ) ; + + 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 ) ) ; + wxASSERT_MSG( m_hBitmap , wxT("Unable to create GWorld context") ) ; + + m_ok = ( m_hBitmap != NULL ) ; + + 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 ) ; + Rect rect = { 0 , 0 , height , width } ; + verify_noerr( NewGWorldFromPtr( (GWorldPtr*) &m_hMaskBitmap , k32ARGBPixelFormat , &rect , NULL , NULL , 0 , + (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 + } + else + { + DisposeGWorld( m_hMaskBitmap ) ; + m_hMaskBitmap = NULL ; + m_maskBytesPerRow = 0 ; + } +} + +void *wxBitmapRefData::GetRawAccess() const +{ + wxCHECK_MSG( Ok(), NULL , wxT("invalid bitmap") ) ; + return m_memBuf.GetData() ; +} + +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 + if ( m_cgImageRef ) + { + CGImageRelease( m_cgImageRef ) ; + m_cgImageRef = NULL ; + } +#endif + + return m_memBuf.GetData() ; +} + +void wxBitmapRefData::EndRawAccess() +{ + wxCHECK_RET( Ok() , wxT("invalid bitmap") ) ; + wxASSERT( m_rawAccessCount == 1 ) ; + + --m_rawAccessCount ; + +#if !wxMAC_USE_CORE_GRAPHICS + UpdateAlphaMask() ; +#endif +} + +bool wxBitmapRefData::HasNativeSize() +{ + int w = GetWidth() ; + int h = GetHeight() ; + int sz = wxMax( w , h ) ; + + return ( sz == 128 || sz == 48 || sz == 32 || sz == 16 ); +} + +IconRef wxBitmapRefData::GetIconRef() +{ + if ( m_iconRef == NULL ) + { + // Create Icon Family Handle + + IconFamilyHandle iconFamily = NULL ; + +#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 ; + + switch (sz) + { + 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 maskdata = NULL ; + unsigned char * maskptr = NULL ; + unsigned char * ptr = NULL ; + size_t datasize, masksize ; + + datasize = sz * sz * 4 ; + data = NewHandle( datasize ) ; + HLock( data ) ; + ptr = (unsigned char*) *data ; + memset( ptr , 0, datasize ) ; + + masksize = sz * sz ; + maskdata = NewHandle( masksize ) ; + HLock( maskdata ) ; + maskptr = (unsigned char*) *maskdata ; + memset( maskptr , 0 , masksize ) ; + + bool hasAlpha = HasAlpha() ; + 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 ) + { + a = *source ++ ; + r = *source ++ ; + g = *source ++ ; + b = *source ++ ; + + *dest++ = 0 ; + *dest++ = r ; + *dest++ = g ; + *dest++ = b ; + + if ( mask ) + { + *maskdest++ = 0xFF - *masksource++ ; + masksource++ ; + masksource++ ; + masksource++ ; + } + else if ( hasAlpha ) + *maskdest++ = a ; + else + *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 ) ; + DisposeHandle( maskdata ) ; + } + else + { + PicHandle pic = GetPictHandle() ; + SetIconFamilyData( iconFamily, 'PICT' , (Handle) pic ) ; + } + // transform into IconRef +#if defined( __WXMAC_OSX__ ) && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 + // cleaner version existing from 10.3 upwards + HLock((Handle) iconFamily); + OSStatus err = GetIconRefFromIconFamilyPtr( *iconFamily, GetHandleSize((Handle) iconFamily), &m_iconRef ); + HUnlock((Handle) iconFamily); + wxASSERT_MSG( err == noErr , wxT("Error when constructing icon ref") ); +#else + 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 + AcquireIconRef( m_iconRef ) ; + UnregisterIconRef( 'WXNG' , (OSType) iconCounter ) ; + ++iconCounter ; +#endif + DisposeHandle( (Handle) iconFamily ) ; + } + + return m_iconRef ; +} + +PicHandle wxBitmapRefData::GetPictHandle() +{ + if ( m_pictHandle == 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 ) ; + + if ( mask ) + { + GWorldPtr monoworld ; + clipRgn = NewRgn() ; + OSStatus err = NewGWorld( &monoworld , 1 , &rect , NULL , NULL , 0 ) ; + verify_noerr(err) ; + LockPixels( GetGWorldPixMap( monoworld ) ) ; + LockPixels( GetGWorldPixMap( mask ) ) ; + SetGWorld( monoworld , NULL ) ; + + RGBColor white = { 0xffff , 0xffff , 0xffff } ; + RGBColor black = { 0x0000 , 0x0000 , 0x0000 } ; + RGBForeColor( &black ) ; + RGBBackColor( &white ) ; + + CopyBits(GetPortBitMapForCopyBits(mask), + GetPortBitMapForCopyBits(monoworld), + &rect, + &rect, + srcCopy, NULL); + BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( monoworld ) ) ; + + UnlockPixels( GetGWorldPixMap( monoworld ) ) ; + UnlockPixels( GetGWorldPixMap( mask ) ) ; + DisposeGWorld( monoworld ) ; + } + + SetGWorld( wp , NULL ) ; + Rect portRect ; + GetPortBounds( wp , &portRect ) ; + m_pictHandle = OpenPicture(&portRect); + + if (m_pictHandle) + { + RGBColor white = { 0xffff , 0xffff , 0xffff } ; + RGBColor black = { 0x0000 , 0x0000 , 0x0000 } ; + + RGBForeColor( &black ) ; + RGBBackColor( &white ) ; + + if ( clipRgn ) + SetClip( clipRgn ) ; + + LockPixels( GetGWorldPixMap( wp ) ) ; + CopyBits(GetPortBitMapForCopyBits(wp), + GetPortBitMapForCopyBits(wp), + &portRect, + &portRect, + srcCopy,clipRgn); + UnlockPixels( GetGWorldPixMap( wp ) ) ; + ClosePicture(); + } + + SetGWorld( origPort , origDev ) ; + if ( clipRgn ) + DisposeRgn( clipRgn ) ; + } + + return m_pictHandle ; +} + +#ifdef __WXMAC_OSX__ +void wxMacMemoryBufferReleaseProc(void *info, const void *data, size_t size) +{ + wxMemoryBuffer* membuf = (wxMemoryBuffer*) info ; + + wxASSERT( data == membuf->GetData() ) ; + + delete membuf ; +} + +CGImageRef wxBitmapRefData::CGImageCreate() const +{ + wxASSERT( m_ok ) ; + wxASSERT( m_rawAccessCount >= 0 ) ; + CGImageRef image ; + if ( m_rawAccessCount > 0 || m_cgImageRef == NULL ) + { + size_t imageSize = m_width * m_height * 4 ; + void * dataBuffer = m_memBuf.GetData() ; + int w = m_width ; + 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() ; + for ( int y = 0 ; y < h ; ++y , sourcemaskstart += maskrowbytes) + { + unsigned char *sourcemask = sourcemaskstart ; + for ( int x = 0 ; x < w ; ++x , sourcemask += 4 , destalpha += 4 ) + { + *destalpha = 0xFF - *sourcemask ; + } + } + } + else + { + if ( m_hasAlpha ) + { +#if wxMAC_USE_PREMULTIPLIED_ALPHA + alphaInfo = kCGImageAlphaPremultipliedFirst ; +#else + alphaInfo = kCGImageAlphaFirst ; +#endif + } + + 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); + } + 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 + +GWorldPtr wxBitmapRefData::GetHBITMAP(GWorldPtr* mask) const +{ + wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") ); + if ( mask ) + { + *mask = NULL ; + if ( m_bitmapMask ) + { + *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 something + // is really accessing the GrafPorts, we have to sync it + UpdateAlphaMask() ; +#endif + + *mask = m_hMaskBitmap ; + } + } + + return m_hBitmap ; +} + +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 ) + { + // we must have 24 bit depth for non quartz smooth alpha + *destalpha++ = 255 ; + *destalpha++ = 255 - *sourcemask ; + *destalpha++ = 255 - *sourcemask ; + *destalpha++ = 255 - *sourcemask ; + } + } + } +} + +void wxBitmapRefData::Free() +{ + wxASSERT_MSG( m_rawAccessCount == 0 , wxT("Bitmap still selected when destroyed") ) ; + +#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) ) ; + m_hMaskBitmap = NULL ; + } + + if (m_bitmapMask) + { + delete m_bitmapMask; + m_bitmapMask = NULL; + } +} + +wxBitmapRefData::~wxBitmapRefData() +{ + Free() ; +} + +bool wxBitmap::CopyFromIcon(const wxIcon& icon) +{ + bool created = false ; + int w = icon.GetWidth() ; + int h = icon.GetHeight() ; + + Create( icon.GetWidth() , icon.GetHeight() ) ; + + if ( w == h && ( w == 16 || w == 32 || w == 48 || w == 128 ) ) + { + IconFamilyHandle iconFamily = NULL ; + Handle imagehandle = NewHandle( 0 ) ; + Handle maskhandle = NewHandle( 0 ) ; + + OSType maskType = 0; + OSType dataType = 0; + IconSelectorValue selector = 0 ; + + switch (w) + { + 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 ) ; + + 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 ) + { + *destination++ = *sourcemask++ ; + source++ ; + *destination++ = *source++ ; + *destination++ = *source++ ; + *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; +} + +wxBitmap::wxBitmap() +{ +} + +wxBitmap::~wxBitmap() +{ +} + +wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits) +{ + m_refData = new wxBitmapRefData( the_width , the_height , no_bits ) ; + + if ( no_bits == 1 ) + { + int linesize = ( 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 ) + { + index = x / 8 ; + bit = x % 8 ; + mask = 1 << bit ; + + if ( !(linestart[index] & mask ) ) + { + *destination++ = 0xFF ; + *destination++ = 0 ; + *destination++ = 0 ; + *destination++ = 0 ; + } + else + { + *destination++ = 0xFF ; + *destination++ = 0xFF ; + *destination++ = 0xFF ; + *destination++ = 0xFF ; + } + } + } + + EndRawAccess() ; + } + else + { + wxFAIL_MSG(wxT("multicolor BITMAPs not yet implemented")); + } +} + +wxBitmap::wxBitmap(int w, int h, int d) +{ + (void)Create(w, h, d); +} + +wxBitmap::wxBitmap(void *data, wxBitmapType type, int width, int height, int depth) +{ + (void) Create(data, type, width, height, depth); +} + +wxBitmap::wxBitmap(const wxString& filename, wxBitmapType type) +{ + LoadFile(filename, type); +} + +wxBitmap::wxBitmap(const char **bits) +{ + (void) CreateFromXpm(bits); +} + +wxBitmap::wxBitmap(char **bits) +{ + (void) CreateFromXpm((const char **)bits); +} + +void * wxBitmap::GetRawAccess() const +{ + wxCHECK_MSG( Ok() , NULL , wxT("invalid bitmap") ) ; + + return M_BITMAPDATA->GetRawAccess() ; +} + +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) +{ +#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") ); + + *this = wxBitmap(img); + + return true; +#else + + return false; +#endif +} + +#ifdef __WXMAC_OSX__ +WXCGIMAGEREF wxBitmap::CGImageCreate() const +{ + wxCHECK_MSG( Ok(), NULL , wxT("invalid bitmap") ) ; + + return M_BITMAPDATA->CGImageCreate() ; +} +#endif + +wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const +{ + wxCHECK_MSG( Ok() && + (rect.x >= 0) && (rect.y >= 0) && + (rect.x+rect.width <= GetWidth()) && + (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() ; + 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) + { + memcpy( dest , source , destlinesize ) ; + } + } + + ret.EndRawAccess() ; + + if ( M_BITMAPDATA->m_bitmapMask ) + { + wxMemoryBuffer maskbuf ; + int rowBytes = ( destwidth * 4 + 3 ) & 0xFFFFFFC ; + size_t maskbufsize = rowBytes * destheight ; + + 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 * 4 + rect.y * sourcelinesize ; + unsigned char *dest = destdata ; + + 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 ) ) ; + } + else if ( HasAlpha() ) + ret.UseAlpha() ; + + return ret; +} + +bool wxBitmap::Create(int w, int h, int d) +{ + UnRef(); + + if ( d < 0 ) + d = wxDisplayDepth() ; -IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject) -IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject) + m_refData = new wxBitmapRefData( w , h , d ); -#include - -CTabHandle wxMacCreateColorTable( int numColors ) -{ - CTabHandle newColors; /* Handle to the new color table */ - short index; /* Index into the table of colors */ - /* Allocate memory for the color table */ - newColors = (CTabHandle)NewHandleClear( sizeof (ColorTable) + - sizeof (ColorSpec) * (numColors - 1) ); - if (newColors != nil) - { - /* Initialize the fields */ - (**newColors).ctSeed = GetCTSeed(); - (**newColors).ctFlags = 0; - (**newColors).ctSize = numColors - 1; - /* Initialize the table of colors */ - } - return newColors ; -} - -void wxMacDestroyColorTable( CTabHandle colors ) -{ - DisposeHandle( (Handle) colors ) ; -} - -void wxMacSetColorTableEntry( CTabHandle newColors , int index , int red , int green , int blue ) -{ - (**newColors).ctTable[index].value = index; - (**newColors).ctTable[index].rgb.red = 0 ;// someRedValue; - (**newColors).ctTable[index].rgb.green = 0 ; // someGreenValue; - (**newColors).ctTable[index].rgb.blue = 0 ; // someBlueValue; -} - -GWorldPtr wxMacCreateGWorld( int height , int width , int depth ) -{ - OSErr err = noErr ; - GWorldPtr port ; - Rect rect = { 0 , 0 , width , height } ; - - if ( depth < 0 ) - { - // get max pixel depth - CGrafPtr port ; - GetCWMgrPort( &port ) ; - GDHandle maxDevice ; - - maxDevice = GetMaxDevice( &port->portRect ) ; - if ( maxDevice ) - depth = (**((**maxDevice).gdPMap)).pixelSize ; - else - depth = 8 ; - } - - err = NewGWorld( &port , depth , &rect , NULL , NULL , 0 ) ; - if ( err == noErr ) - { - return port ; - } - return NULL ; -} - -void wxMacDestroyGWorld( GWorldPtr gw ) -{ - if ( gw ) - DisposeGWorld( gw ) ; + return M_BITMAPDATA->Ok() ; } -wxBitmapRefData::wxBitmapRefData() +bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type) { - m_ok = FALSE; - m_width = 0; - m_height = 0; - m_depth = 0; - m_quality = 0; - m_numColors = 0; - m_bitmapMask = NULL; - m_hBitmap = NULL ; - m_hPict = NULL ; - m_bitmapType = kMacBitmapTypeUnknownType ; -} + UnRef(); -wxBitmapRefData::~wxBitmapRefData() -{ - switch (m_bitmapType) - { - case kMacBitmapTypePict : - { - if ( m_hPict ) - { - KillPicture( m_hPict ) ; - m_hPict = NULL ; - } - } - break ; - case kMacBitmapTypeGrafWorld : - { - if ( m_hBitmap ) - { - wxMacDestroyGWorld( m_hBitmap ) ; - m_hBitmap = NULL ; - } - } - break ; - default : - // unkown type ? - break ; - } ; - - if (m_bitmapMask) - { - delete m_bitmapMask; - m_bitmapMask = NULL; - } -} - -wxList wxBitmap::sm_handlers; + wxBitmapHandler *handler = FindHandler(type); -wxBitmap::wxBitmap() -{ - m_refData = NULL; + if ( handler ) + { + m_refData = new wxBitmapRefData; - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); -} + return handler->LoadFile(this, filename, type, -1, -1); + } + else + { +#if wxUSE_IMAGE + wxImage loadimage(filename, type); + if (loadimage.Ok()) + { + *this = loadimage; -wxBitmap::~wxBitmap() -{ - if (wxTheBitmapList) - wxTheBitmapList->DeleteObject(this); + return true; + } +#endif + } + + wxLogWarning(wxT("no bitmap handler for type %d defined."), type); + + return false; } -wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits) +bool wxBitmap::Create(void *data, wxBitmapType type, int width, int height, int depth) { + UnRef(); + m_refData = new wxBitmapRefData; - M_BITMAPDATA->m_width = the_width ; - M_BITMAPDATA->m_height = the_height ; - M_BITMAPDATA->m_depth = no_bits ; - M_BITMAPDATA->m_numColors = 0; - if ( no_bits == 1 ) - { - M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ; - M_BITMAPDATA->m_hBitmap = wxMacCreateGWorld( the_width , the_height , no_bits ) ; - M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ; - - CGrafPtr origPort ; - GDHandle origDevice ; - - GetGWorld( &origPort , &origDevice ) ; - SetGWorld( M_BITMAPDATA->m_hBitmap , NULL ) ; - - // bits is a word aligned array - - unsigned char* linestart = (unsigned char*) bits ; - int linesize = ( the_width / 16 ) * 2 ; - if ( the_width % 16 ) - { - linesize += 2 ; - } ; - - RGBColor colors[2] = { - { 0xFFFF , 0xFFFF , 0xFFFF } , - { 0, 0 , 0 } - } ; - - for( int y = 0 ; y < the_height ; ++y , linestart += linesize ) - { - for( int x = 0 ; x < the_width ; ++x ) - { - int index = x / 8 ; - int bit = x % 8 ; - int mask = 1 << bit ; - if ( linestart[index] & mask ) - { - SetCPixel( x , y , &colors[1] ) ; - } - else - { - SetCPixel( x , y , &colors[0] ) ; - } - } - - } - - SetGWorld( origPort , origDevice ) ; - } - else - { - //multicolor BITMAPs not yet implemented - } - - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); -} + wxBitmapHandler *handler = FindHandler(type); -wxBitmap::wxBitmap(int w, int h, int d) -{ - (void)Create(w, h, d); + if ( handler == NULL ) + { + wxLogWarning(wxT("no bitmap handler for type %d defined."), type); + + return false; + } - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); + return handler->Create(this, data, type, width, height, depth); } -wxBitmap::wxBitmap(void *data, long type, int width, int height, int depth) +#if wxUSE_IMAGE + +wxBitmap::wxBitmap(const wxImage& image, int depth) { - (void) Create(data, type, width, height, depth); + wxCHECK_RET( image.Ok(), wxT("invalid image") ); - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); -} + // width and height of the device-dependent bitmap + int width = image.GetWidth(); + int height = image.GetHeight(); -wxBitmap::wxBitmap(const wxString& filename, long type) -{ - LoadFile(filename, (int)type); + m_refData = new wxBitmapRefData( width , height , depth ) ; - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); -} + // Create picture -wxBitmap::wxBitmap(const char **data) -{ - (void) Create((void *)data, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0); -} + bool hasAlpha = false ; -bool wxBitmap::Create(int w, int h, int d) -{ - UnRef(); + if ( image.HasMask() ) + { + // takes precedence, don't mix with alpha info + } + else + { + hasAlpha = image.HasAlpha() ; + } - m_refData = new wxBitmapRefData; + if ( hasAlpha ) + UseAlpha() ; + + 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++) + { + if ( hasAlpha ) + { + const unsigned char a = *alpha++; + *destination++ = a ; - M_BITMAPDATA->m_width = w; - M_BITMAPDATA->m_height = h; - M_BITMAPDATA->m_depth = d; +#if wxMAC_USE_PREMULTIPLIED_ALPHA + *destination++ = ((*data++) * a + 127) / 255 ; + *destination++ = ((*data++) * a + 127) / 255 ; + *destination++ = ((*data++) * a + 127) / 255 ; +#else + *destination++ = *data++ ; + *destination++ = *data++ ; + *destination++ = *data++ ; +#endif + } + else + { + *destination++ = 0xFF ; + *destination++ = *data++ ; + *destination++ = *data++ ; + *destination++ = *data++ ; + } + } + } - M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ; - M_BITMAPDATA->m_hBitmap = wxMacCreateGWorld( w , h , d ) ; - M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ; - return M_BITMAPDATA->m_ok; + EndRawAccess() ; + if ( image.HasMask() ) + SetMask( new wxMask( *this , wxColour( image.GetMaskRed() , image.GetMaskGreen() , image.GetMaskBlue() ) ) ) ; } -void wxBitmap::SetHBITMAP(WXHBITMAP bmp) +wxImage wxBitmap::ConvertToImage() const { - M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ; - M_BITMAPDATA->m_hBitmap = bmp ; - M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ; + wxImage image; + + wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") ); + + // create an wxImage object + int width = GetWidth(); + int height = GetHeight(); + image.Create( width, height ); + + unsigned char *data = image.GetData(); + wxCHECK_MSG( data, wxNullImage, wxT("Could not allocate data for image") ); + + unsigned char* source = (unsigned char*) GetRawAccess() ; + + 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 ) + { + 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 actually occurs in the bitmap + static const int MASK_RED = 1; + static const int MASK_GREEN = 2; + static const int MASK_BLUE = 3; + static const int MASK_BLUE_REPLACEMENT = 2; + + 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++) + { + color = *((long*) source) ; +#ifdef WORDS_BIGENDIAN + a = ((color&0xFF000000) >> 24) ; + r = ((color&0x00FF0000) >> 16) ; + g = ((color&0x0000FF00) >> 8) ; + b = (color&0x000000FF); +#else + b = ((color&0xFF000000) >> 24) ; + g = ((color&0x00FF0000) >> 16) ; + r = ((color&0x0000FF00) >> 8) ; + a = (color&0x000000FF); +#endif + if ( hasMask ) + { + if ( *maskp++ == 0xFF ) + { + r = MASK_RED ; + g = MASK_GREEN ; + b = MASK_BLUE ; + } + else if ( r == MASK_RED && g == MASK_GREEN && b == MASK_BLUE ) + b = MASK_BLUE_REPLACEMENT ; + + maskp++ ; + maskp++ ; + maskp++ ; + } + else if ( hasAlpha ) + *alpha++ = a ; + + 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; } -bool wxBitmap::LoadFile(const wxString& filename, long type) +#endif //wxUSE_IMAGE + +bool wxBitmap::SaveFile( const wxString& filename, + wxBitmapType type, const wxPalette *palette ) const { - UnRef(); + bool success = false; + wxBitmapHandler *handler = FindHandler(type); - m_refData = new wxBitmapRefData; + if ( handler ) + { + success = handler->SaveFile(this, filename, type, palette); + } + else + { +#if wxUSE_IMAGE + wxImage image = ConvertToImage(); + success = image.SaveFile(filename, type); +#else + wxLogWarning(wxT("no bitmap handler for type %d defined."), type); +#endif + } - wxBitmapHandler *handler = FindHandler(type); + return success; +} - if ( handler == NULL ) { - wxLogWarning("no bitmap handler for type %d defined.", type); +bool wxBitmap::Ok() const +{ + return (M_BITMAPDATA && M_BITMAPDATA->Ok()); +} - return FALSE; - } +int wxBitmap::GetHeight() const +{ + wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); - return handler->LoadFile(this, filename, type, -1, -1); + return M_BITMAPDATA->GetHeight(); } -bool wxBitmap::Create(void *data, long type, int width, int height, int depth) +int wxBitmap::GetWidth() const { - UnRef(); + wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); - m_refData = new wxBitmapRefData; + return M_BITMAPDATA->GetWidth() ; +} - wxBitmapHandler *handler = FindHandler(type); +int wxBitmap::GetDepth() const +{ + wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); - if ( handler == NULL ) { - wxLogWarning("no bitmap handler for type %d defined.", type); + return M_BITMAPDATA->GetDepth(); +} - return FALSE; - } +#if WXWIN_COMPATIBILITY_2_4 +int wxBitmap::GetQuality() const +{ + return 0; +} - return handler->Create(this, data, type, width, height, depth); +void wxBitmap::SetQuality(int WXUNUSED(quality)) +{ } +#endif -bool wxBitmap::SaveFile(const wxString& filename, int type, const wxPalette *palette) +wxMask *wxBitmap::GetMask() const { - wxBitmapHandler *handler = FindHandler(type); + wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") ); - if ( handler == NULL ) { - wxLogWarning("no bitmap handler for type %d defined.", type); + return M_BITMAPDATA->m_bitmapMask; +} - return FALSE; - } +bool wxBitmap::HasAlpha() const +{ + wxCHECK_MSG( Ok(), false , wxT("invalid bitmap") ); - return handler->SaveFile(this, filename, type, palette); + return M_BITMAPDATA->HasAlpha() ; } void wxBitmap::SetWidth(int w) @@ -327,7 +1281,7 @@ void wxBitmap::SetWidth(int w) if (!M_BITMAPDATA) m_refData = new wxBitmapRefData; - M_BITMAPDATA->m_width = w; + M_BITMAPDATA->SetWidth(w); } void wxBitmap::SetHeight(int h) @@ -335,7 +1289,7 @@ void wxBitmap::SetHeight(int h) if (!M_BITMAPDATA) m_refData = new wxBitmapRefData; - M_BITMAPDATA->m_height = h; + M_BITMAPDATA->SetHeight(h); } void wxBitmap::SetDepth(int d) @@ -343,23 +1297,23 @@ void wxBitmap::SetDepth(int d) if (!M_BITMAPDATA) m_refData = new wxBitmapRefData; - M_BITMAPDATA->m_depth = d; + M_BITMAPDATA->SetDepth(d); } -void wxBitmap::SetQuality(int q) +void wxBitmap::SetOk(bool isOk) { if (!M_BITMAPDATA) m_refData = new wxBitmapRefData; - M_BITMAPDATA->m_quality = q; + M_BITMAPDATA->SetOk(isOk); } -void wxBitmap::SetOk(bool isOk) +#if wxUSE_PALETTE +wxPalette *wxBitmap::GetPalette() const { - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; + wxCHECK_MSG( Ok(), NULL, wxT("Invalid bitmap GetPalette()") ); - M_BITMAPDATA->m_ok = isOk; + return &M_BITMAPDATA->m_bitmapPalette; } void wxBitmap::SetPalette(const wxPalette& palette) @@ -369,541 +1323,319 @@ void wxBitmap::SetPalette(const wxPalette& palette) M_BITMAPDATA->m_bitmapPalette = palette ; } +#endif // wxUSE_PALETTE void wxBitmap::SetMask(wxMask *mask) { if (!M_BITMAPDATA) m_refData = new wxBitmapRefData; + // Remove existing mask if there is one. + delete M_BITMAPDATA->m_bitmapMask; + M_BITMAPDATA->m_bitmapMask = mask ; } -void wxBitmap::AddHandler(wxBitmapHandler *handler) +WXHBITMAP wxBitmap::GetHBITMAP(WXHBITMAP* mask) const { - sm_handlers.Append(handler); + return WXHBITMAP(M_BITMAPDATA->GetHBITMAP((GWorldPtr*)mask)); } -void wxBitmap::InsertHandler(wxBitmapHandler *handler) +// ---------------------------------------------------------------------------- +// wxMask +// ---------------------------------------------------------------------------- + +wxMask::wxMask() { - sm_handlers.Insert(handler); + Init() ; } -bool wxBitmap::RemoveHandler(const wxString& name) +// Construct a mask from a bitmap and a colour indicating +// the transparent area +wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour ) { - wxBitmapHandler *handler = FindHandler(name); - if ( handler ) - { - sm_handlers.DeleteObject(handler); - return TRUE; - } - else - return FALSE; + Init() ; + Create( bitmap, colour ); } -wxBitmapHandler *wxBitmap::FindHandler(const wxString& name) +// Construct a mask from a mono bitmap (copies the bitmap). +wxMask::wxMask( const wxBitmap& bitmap ) { - wxNode *node = sm_handlers.First(); - while ( node ) - { - wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); - if ( handler->GetName() == name ) - return handler; - node = node->Next(); - } - return NULL; + Init() ; + Create( bitmap ); } -wxBitmapHandler *wxBitmap::FindHandler(const wxString& extension, long bitmapType) +// Construct a mask from a mono bitmap (copies the bitmap). + +wxMask::wxMask( const wxMemoryBuffer& data, int width , int height , int bytesPerRow ) { - wxNode *node = sm_handlers.First(); - while ( node ) - { - wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); - if ( handler->GetExtension() == extension && - (bitmapType == -1 || handler->GetType() == bitmapType) ) - return handler; - node = node->Next(); - } - return NULL; + Init() ; + Create( data, width , height , bytesPerRow ); } -wxBitmapHandler *wxBitmap::FindHandler(long bitmapType) +wxMask::~wxMask() { - wxNode *node = sm_handlers.First(); - while ( node ) + if ( m_maskBitmap ) { - wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); - if (handler->GetType() == bitmapType) - return handler; - node = node->Next(); + DisposeGWorld( (GWorldPtr)m_maskBitmap ) ; + m_maskBitmap = NULL ; } - return NULL; } -/* - * wxMask - */ - -wxMask::wxMask() +void wxMask::Init() { - m_maskBitmap = 0; + m_width = m_height = m_bytesPerRow = 0 ; + m_maskBitmap = NULL ; } -// Construct a mask from a bitmap and a colour indicating -// the transparent area -wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour) +void *wxMask::GetRawAccess() const { - m_maskBitmap = 0; - Create(bitmap, colour); + return m_memBuf.GetData() ; } -// Construct a mask from a bitmap and a palette index indicating -// the transparent area -wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex) -{ - m_maskBitmap = 0; - Create(bitmap, paletteIndex); -} +// The default ColorTable for k8IndexedGrayPixelFormat in Intel appears to be broken, so we'll use an non-indexed +// bitmap mask instead; in order to keep the code simple, the change applies to PowerPC implementations as well -// Construct a mask from a mono bitmap (copies the bitmap). -wxMask::wxMask(const wxBitmap& bitmap) +void wxMask::RealizeNative() { - m_maskBitmap = 0; - Create(bitmap); + if ( m_maskBitmap ) + { + DisposeGWorld( (GWorldPtr)m_maskBitmap ) ; + m_maskBitmap = NULL ; + } + + Rect rect = { 0 , 0 , m_height , m_width } ; + + OSStatus err = NewGWorldFromPtr( + (GWorldPtr*) &m_maskBitmap , k32ARGBPixelFormat , &rect , NULL , NULL , 0 , + (char*) m_memBuf.GetData() , m_bytesPerRow ) ; + verify_noerr( err ) ; } -wxMask::~wxMask() +// Create a mask from a mono bitmap (copies the bitmap). + +bool wxMask::Create(const wxMemoryBuffer& data,int width , int height , int bytesPerRow) { - if ( m_maskBitmap ) - { - wxMacDestroyGWorld( m_maskBitmap ) ; - m_maskBitmap = NULL ; - } + m_memBuf = data ; + m_width = width ; + m_height = height ; + m_bytesPerRow = bytesPerRow ; + + wxASSERT( data.GetDataLen() == (size_t)(height * bytesPerRow) ) ; + + RealizeNative() ; + + return true ; } // Create a mask from a mono bitmap (copies the bitmap). bool wxMask::Create(const wxBitmap& bitmap) { -// TODO - return FALSE; -} + m_width = bitmap.GetWidth() ; + m_height = bitmap.GetHeight() ; + m_bytesPerRow = ( m_width * 4 + 3 ) & 0xFFFFFFC ; -// Create a mask from a bitmap and a palette index indicating -// the transparent area -bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex) -{ -// TODO - return FALSE; + 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 ; + unsigned char r, g, b; + + for ( int x = 0 ; x < m_width ; ++x ) + { + srcdata++ ; + r = *srcdata++ ; + g = *srcdata++ ; + b = *srcdata++ ; + + if ( ( r + g + b ) > 0x10 ) + { + *destdata++ = 0xFF ; + *destdata++ = 0xFF ; + *destdata++ = 0xFF ; + *destdata++ = 0xFF ; + } + else + { + *destdata++ = 0x00 ; + *destdata++ = 0x00 ; + *destdata++ = 0x00 ; + *destdata++ = 0x00 ; + } + } + } + + m_memBuf.UngetWriteBuf( size ) ; + RealizeNative() ; + + return true; } // Create a mask from a bitmap and a colour indicating // the transparent area bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour) { - if ( m_maskBitmap ) - { - wxMacDestroyGWorld( m_maskBitmap ) ; - m_maskBitmap = NULL ; - } - wxASSERT( ((wxBitmapRefData*) bitmap.GetRefData())->m_bitmapType == kMacBitmapTypeGrafWorld ) ; - // other types would require a temporary bitmap. not yet implemented - - if (!bitmap.Ok()) - { - return FALSE; - } - - m_maskBitmap = wxMacCreateGWorld( bitmap.GetWidth() , bitmap.GetHeight() , 1 ) ; - RGBColor maskColor = colour.GetPixel() ; - - // this is not very efficient, but I can't think - // of a better way of doing it - CGrafPtr origPort ; - GDHandle origDevice ; - - GetGWorld( &origPort , &origDevice ) ; - for (int w = 0; w < bitmap.GetWidth(); w++) - { - for (int h = 0; h < bitmap.GetHeight(); h++) - { - RGBColor colors[2] = { - { 0xFFFF , 0xFFFF , 0xFFFF } , - { 0, 0 , 0 } - } ; - - SetGWorld( ((wxBitmapRefData*) bitmap.GetRefData())->m_hBitmap , NULL ) ; - RGBColor col ; - GetCPixel( w , h , &col ) ; - SetGWorld( m_maskBitmap , NULL ) ; - if (col.red == maskColor.red && col.blue == maskColor.blue && col.green == maskColor.green) + m_width = bitmap.GetWidth() ; + m_height = bitmap.GetHeight() ; + m_bytesPerRow = ( m_width * 4 + 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 ; + unsigned char r, g, b; + + for ( int x = 0 ; x < m_width ; ++x ) + { + srcdata++ ; + r = *srcdata++ ; + g = *srcdata++ ; + b = *srcdata++ ; + + if ( colour == wxColour( r , g , b ) ) { - SetCPixel( w , h , &colors[0] ) ; + *destdata++ = 0xFF ; + *destdata++ = 0xFF ; + *destdata++ = 0xFF ; + *destdata++ = 0xFF ; } else { - SetCPixel( w , h , &colors[1] ) ; + *destdata++ = 0x00 ; + *destdata++ = 0x00 ; + *destdata++ = 0x00 ; + *destdata++ = 0x00 ; } } } - SetGWorld( origPort , origDevice ) ; - return TRUE; + m_memBuf.UngetWriteBuf( size ) ; + RealizeNative() ; + + return true; +} + +WXHBITMAP wxMask::GetHBITMAP() const +{ + return m_maskBitmap ; } -/* - * wxBitmapHandler - */ +// ---------------------------------------------------------------------------- +// wxBitmapHandler +// ---------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject) +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 type, +bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags, int desiredWidth, int desiredHeight) { - return FALSE; + return false; } -bool wxBitmapHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette) +bool wxBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette) { - return FALSE; + return false; } -/* - * Standard handlers - */ +// ---------------------------------------------------------------------------- +// Standard Handlers +// ---------------------------------------------------------------------------- class WXDLLEXPORT wxPICTResourceHandler: public wxBitmapHandler { DECLARE_DYNAMIC_CLASS(wxPICTResourceHandler) + public: inline wxPICTResourceHandler() { - m_name = "Macintosh Pict resource"; - m_extension = ""; - m_type = wxBITMAP_TYPE_PICT_RESOURCE; + SetName(wxT("Macintosh Pict resource")); + SetExtension(wxEmptyString); + SetType(wxBITMAP_TYPE_PICT_RESOURCE); }; virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags, int desiredWidth, int desiredHeight); }; + 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) { - Str255 theName ; - - strcpy( (char*) theName , name ) ; - c2pstr( (char*) theName ) ; - - PicHandle thePict = (PicHandle ) GetNamedResource( 'PICT' , theName ) ; - if ( thePict ) - { - PictInfo theInfo ; - - GetPictInfo( thePict , &theInfo , 0 , 0 , systemMethod , 0 ) ; - DetachResource( (Handle) thePict ) ; - M_BITMAPHANDLERDATA->m_bitmapType = kMacBitmapTypePict ; - M_BITMAPHANDLERDATA->m_hPict = thePict ; - M_BITMAPHANDLERDATA->m_width = theInfo.sourceRect.right - theInfo.sourceRect.left ; - M_BITMAPHANDLERDATA->m_height = theInfo.sourceRect.bottom - theInfo.sourceRect.top ; - - M_BITMAPHANDLERDATA->m_depth = theInfo.depth ; - M_BITMAPHANDLERDATA->m_ok = true ; - M_BITMAPHANDLERDATA->m_numColors = theInfo.uniqueColors ; -// M_BITMAPHANDLERDATA->m_bitmapPalette; -// M_BITMAPHANDLERDATA->m_quality; - return TRUE ; - } - return FALSE ; -} - -/* TODO: bitmap handlers, a bit like this: -class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler -{ - DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler) -public: - inline wxBMPResourceHandler() +#if wxUSE_METAFILE + Str255 theName ; + wxMacStringToPascal( name , theName ) ; + + PicHandle thePict = (PicHandle ) GetNamedResource( 'PICT' , theName ) ; + if ( thePict ) { - m_name = "Windows bitmap resource"; - m_extension = ""; - m_type = wxBITMAP_TYPE_BMP_RESOURCE; - }; + wxMetafile mf ; - virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags, - int desiredWidth, int desiredHeight); -}; -IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler) -*/ + mf.SetHMETAFILE( (WXHMETAFILE) thePict ) ; + bitmap->Create( mf.GetWidth() , mf.GetHeight() ) ; + wxMemoryDC dc ; + dc.SelectObject( *bitmap ) ; + mf.Play( &dc ) ; + dc.SelectObject( wxNullBitmap ) ; -class WXDLLEXPORT wxXPMFileHandler: public wxBitmapHandler -{ - DECLARE_DYNAMIC_CLASS(wxXPMFileHandler) -public: - inline wxXPMFileHandler(void) - { - m_name = "XPM bitmap file"; - m_extension = "xpm"; - m_type = wxBITMAP_TYPE_XPM; - }; - - virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags, - int desiredWidth = -1, int desiredHeight = -1); - virtual bool SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL); -}; -IMPLEMENT_DYNAMIC_CLASS(wxXPMFileHandler, wxBitmapHandler) - -bool wxXPMFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags, - int desiredWidth, int desiredHeight) -{ -#if USE_XPM_IN_MSW - XImage *ximage; - XpmAttributes xpmAttr; - HDC dc; - - M_BITMAPHANDLERDATA->m_ok = FALSE; - dc = CreateCompatibleDC(NULL); - if (dc) - { - xpmAttr.valuemask = XpmReturnPixels; - int errorStatus = XpmReadFileToImage(&dc, WXSTRINGCAST name, &ximage, (XImage **) NULL, &xpmAttr); - DeleteDC(dc); - if (errorStatus == XpmSuccess) - { - M_BITMAPHANDLERDATA->m_hBitmap = (WXHBITMAP) ximage->bitmap; - - BITMAP bm; - GetObject((HBITMAP)M_BITMAPHANDLERDATA->m_hBitmap, sizeof(bm), (LPSTR) & bm); - - M_BITMAPHANDLERDATA->m_width = (bm.bmWidth); - M_BITMAPHANDLERDATA->m_height = (bm.bmHeight); - M_BITMAPHANDLERDATA->m_depth = (bm.bmPlanes * bm.bmBitsPixel); - M_BITMAPHANDLERDATA->m_numColors = xpmAttr.npixels; - XpmFreeAttributes(&xpmAttr); - XImageFree(ximage); - - M_BITMAPHANDLERDATA->m_ok = TRUE; - return TRUE; - } - else - { - M_BITMAPHANDLERDATA->m_ok = FALSE; - return FALSE; - } + return true ; } #endif - return FALSE; -} - -bool wxXPMFileHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette) -{ -#if USE_XPM_IN_MSW - HDC dc = NULL; - - Visual *visual = NULL; - XImage ximage; - - dc = CreateCompatibleDC(NULL); - if (dc) - { - if (SelectObject(dc, (HBITMAP) M_BITMAPHANDLERDATA->m_hBitmap)) - { /* for following SetPixel */ - /* fill the XImage struct 'by hand' */ - ximage.width = M_BITMAPHANDLERDATA->m_width; - ximage.height = M_BITMAPHANDLERDATA->m_height; - ximage.depth = M_BITMAPHANDLERDATA->m_depth; - ximage.bitmap = (void *)M_BITMAPHANDLERDATA->m_hBitmap; - int errorStatus = XpmWriteFileFromImage(&dc, WXSTRINGCAST name, - &ximage, (XImage *) NULL, (XpmAttributes *) NULL); - - if (dc) - DeleteDC(dc); - - if (errorStatus == XpmSuccess) - return TRUE; /* no error */ - else - return FALSE; - } else return FALSE; - } else return FALSE; -#else - return FALSE; -#endif + return false ; } - -class WXDLLEXPORT wxXPMDataHandler: public wxBitmapHandler +void wxBitmap::InitStandardHandlers() { - DECLARE_DYNAMIC_CLASS(wxXPMDataHandler) -public: - inline wxXPMDataHandler(void) - { - m_name = "XPM bitmap data"; - m_extension = "xpm"; - m_type = wxBITMAP_TYPE_XPM_DATA; - }; - - virtual bool Create(wxBitmap *bitmap, void *data, long flags, int width, int height, int depth = 1); -}; -IMPLEMENT_DYNAMIC_CLASS(wxXPMDataHandler, wxBitmapHandler) - -bool wxXPMDataHandler::Create(wxBitmap *bitmap, void *data, long flags, int width, int height, int depth) -{ - XImage * ximage; - int ErrorStatus; - XpmAttributes xpmAttr; - - xpmAttr.valuemask = XpmReturnInfos; // get infos back - ErrorStatus = XpmCreateImageFromData( GetMainDevice() , (char **)data, - &ximage, (XImage **) NULL, &xpmAttr); - - if (ErrorStatus == XpmSuccess) - { - M_BITMAPHANDLERDATA->m_ok = FALSE; - M_BITMAPHANDLERDATA->m_numColors = 0; - M_BITMAPHANDLERDATA->m_hBitmap = ximage->gworldptr ; - - M_BITMAPHANDLERDATA->m_width = ximage->width; - M_BITMAPHANDLERDATA->m_height = ximage->height; - M_BITMAPHANDLERDATA->m_depth = ximage->depth; - M_BITMAPHANDLERDATA->m_numColors = xpmAttr.npixels; - XpmFreeAttributes(&xpmAttr); - M_BITMAPHANDLERDATA->m_ok = TRUE; - ximage->gworldptr = NULL ; - XImageFree(ximage); // releases the malloc, but does not detroy - // the bitmap - M_BITMAPHANDLERDATA->m_bitmapType = kMacBitmapTypeGrafWorld ; - - return TRUE; - } - else - { - M_BITMAPHANDLERDATA->m_ok = FALSE; - return FALSE; - } - return FALSE; + AddHandler( new wxPICTResourceHandler ) ; + AddHandler( new wxICONResourceHandler ) ; } -class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler -{ - DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler) -public: - inline wxBMPResourceHandler() - { - m_name = "Windows bitmap resource"; - m_extension = ""; - m_type = wxBITMAP_TYPE_BMP_RESOURCE; - }; - - virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags, - int desiredWidth, int desiredHeight); -}; - -IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler) - -bool wxBMPResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags, - int desiredWidth, int desiredHeight) -{ - // TODO: load colourmap. -/* - M_BITMAPHANDLERDATA->m_hBitmap = (WXHBITMAP) ::LoadBitmap(wxGetInstance(), name); - if (M_BITMAPHANDLERDATA->m_hBitmap) - { - M_BITMAPHANDLERDATA->m_ok = TRUE; - BITMAP bm; - GetObject((HBITMAP) M_BITMAPHANDLERDATA->m_hBitmap, sizeof(BITMAP), (LPSTR) &bm); - M_BITMAPHANDLERDATA->m_width = bm.bmWidth; - M_BITMAPHANDLERDATA->m_height = bm.bmHeight; - M_BITMAPHANDLERDATA->m_depth = bm.bmBitsPixel; - return TRUE; - } -*/ - // it's probably not found - wxLogError("Can't load bitmap '%s' from resources! Check .rc file.", name.c_str()); - - return FALSE; -} +// ---------------------------------------------------------------------------- +// raw bitmap access support +// ---------------------------------------------------------------------------- -class WXDLLEXPORT wxBMPFileHandler: public wxBitmapHandler +void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp) { - DECLARE_DYNAMIC_CLASS(wxBMPFileHandler) -public: - inline wxBMPFileHandler(void) - { - m_name = "Windows bitmap file"; - m_extension = "bmp"; - m_type = wxBITMAP_TYPE_BMP; - }; - - virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags, - int desiredWidth, int desiredHeight); - virtual bool SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL); -}; - -IMPLEMENT_DYNAMIC_CLASS(wxBMPFileHandler, wxBitmapHandler) + if ( !Ok() ) + // no bitmap, no data (raw or otherwise) + return NULL; -bool wxBMPFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags, - int desiredWidth, int desiredHeight) -{ -#if USE_IMAGE_LOADING_IN_MSW - wxPalette *palette = NULL; - bool success = FALSE; -/* - if (type & wxBITMAP_DISCARD_COLOURMAP) - success = wxLoadIntoBitmap(WXSTRINGCAST name, bitmap); - else -*/ - success = (wxLoadIntoBitmap(WXSTRINGCAST name, bitmap, &palette) != 0); - if (!success && palette) - { - delete palette; - palette = NULL; - } - if (palette) - M_BITMAPHANDLERDATA->m_bitmapPalette = *palette; - return success; -#else - return FALSE; -#endif -} + data.m_width = GetWidth() ; + data.m_height = GetHeight() ; + data.m_stride = GetWidth() * 4 ; -bool wxBMPFileHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *pal) -{ -#if USE_IMAGE_LOADING_IN_MSW - wxPalette *actualPalette = (wxPalette *)pal; - if (!actualPalette && (!M_BITMAPHANDLERDATA->m_bitmapPalette.IsNull())) - actualPalette = & (M_BITMAPHANDLERDATA->m_bitmapPalette); - return (wxSaveBitmap(WXSTRINGCAST name, bitmap, actualPalette) != 0); -#else - return FALSE; -#endif + return BeginRawAccess() ; } - - -void wxBitmap::CleanUpHandlers() +void wxBitmap::UngetRawData(wxPixelDataBase& dataBase) { - wxNode *node = sm_handlers.First(); - while ( node ) - { - wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); - wxNode *next = node->Next(); - delete handler; - delete node; - node = next; - } + EndRawAccess() ; } -void wxBitmap::InitStandardHandlers() +void wxBitmap::UseAlpha() { - AddHandler( new wxPICTResourceHandler ) ; - AddHandler( new wxICONResourceHandler ) ; - AddHandler(new wxXPMFileHandler); - AddHandler(new wxXPMDataHandler); - AddHandler(new wxBMPResourceHandler); - AddHandler(new wxBMPFileHandler); + // remember that we are using alpha channel: + // we'll need to create a proper mask in UngetRawData() + M_BITMAPDATA->UseAlpha( true ); }