X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5fde6fcc9b551340a194ae4c726db5ab64b5c594..14cd0443d97862d6dacac3c05ddf77cdef3f3d4e:/src/mac/carbon/bitmap.cpp diff --git a/src/mac/carbon/bitmap.cpp b/src/mac/carbon/bitmap.cpp index 5cc2a537fd..1b4dca41c7 100644 --- a/src/mac/carbon/bitmap.cpp +++ b/src/mac/carbon/bitmap.cpp @@ -1,566 +1,1301 @@ ///////////////////////////////////////////////////////////////////////////// -// 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/wx.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" -{ -#ifdef __UNIX__ - #include "xpm/xpm.h" -#else - #include "xpm.h" +#ifndef WX_PRECOMP + #include "wx/log.h" + #include "wx/dcmemory.h" + #include "wx/icon.h" + #include "wx/image.h" #endif -} ; -#if !USE_SHARED_LIBRARIES +#include "wx/metafile.h" +#include "wx/xpmdecod.h" + +#include "wx/rawbmp.h" + IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject) IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject) -#endif -#ifdef __UNIX__ +#ifdef __DARWIN__ #include #else #include #endif -CTabHandle wxMacCreateColorTable( int numColors ) +#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 + { +#ifndef __LP64__ + info->contentType = kControlContentPictHandle ; + info->u.picture = bmap->GetPictHandle() ; +#endif + } + } +} + +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() +{ + 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(const wxBitmapRefData &tocopy) +{ + Init(); + Create(tocopy.m_width, tocopy.m_height, tocopy.m_depth); + + if (tocopy.m_bitmapMask) + m_bitmapMask = new wxMask(*tocopy.m_bitmapMask); + + unsigned char* dest = (unsigned char*)GetRawAccess(); + unsigned char* source = (unsigned char*)tocopy.GetRawAccess(); + size_t numbytes = tocopy.m_width * tocopy.m_height * 4; + + for (size_t i=0; iGetRawAccess() : NULL ; + + for ( int y = 0 ; y < h ; ++y ) { - RGBColor col ; + 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 ) + { +#ifndef __LP64__ + 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 ) ; + } - GetCPixel( x + portRect.left , y + portRect.top , &col ) ; - SetCPixel( x + portRect.left , y + portRect.top , &col ) ; + 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 ) ; +#endif + } + + 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 { - // With transparency set this sets a blank pixel not a white one - SetCPixel( x + portRect.left , y + portRect.top , &white); + } + else + { + if ( m_hasAlpha ) + { +#if wxMAC_USE_PREMULTIPLIED_ALPHA + alphaInfo = kCGImageAlphaPremultipliedFirst ; +#else + alphaInfo = kCGImageAlphaFirst ; +#endif } - } - } - free( maskimage ) ; - maskimage = NULL ; - } - else - { - RGBBackColor( &gray ) ; - EraseRect(&portRect); - RGBForeColor( &black ) ; - RGBBackColor( &white ) ; - - CopyBits(GetPortBitMapForCopyBits(wp), /* src PixMap - we copy image over - * itself - */ - GetPortBitMapForCopyBits(wp), // dst PixMap - no drawing occurs - &portRect, // srcRect - it will be recorded and compressed - - &portRect, // dstRect - into the picture that is open - - srcCopy,NULL); // copyMode and no clip region - } - ClosePicture(); // We are done recording the picture - UnlockPixels( GetGWorldPixMap( wp ) ) ; - SetGWorld( origPort , origDev ) ; - - return pict; // return our groovy pict handle + + membuf = new wxMemoryBuffer( m_memBuf ) ; + } + + CGDataProviderRef dataProvider = NULL ; + if ( m_depth == 1 ) + { + wxMemoryBuffer* maskBuf = new wxMemoryBuffer( m_width * m_height ); + unsigned char * maskBufData = (unsigned char *) maskBuf->GetData(); + unsigned char * bufData = (unsigned char *) membuf->GetData() ; + // copy one color component + for( int i = 0 ; i < m_width * m_height ; ++i ) + maskBufData[i] = bufData[i*4+3]; + dataProvider = + CGDataProviderCreateWithData( + maskBuf , (const void *) maskBufData , m_width * m_height, + wxMacMemoryBufferReleaseProc ); + // as we are now passing the mask buffer to the data provider, we have + // to release the membuf ourselves + delete membuf ; + + image = ::CGImageMaskCreate( w, h, 8, 8, m_width , dataProvider, NULL, false ); + } + else + { + CGColorSpaceRef colorSpace = wxMacGetGenericRGBColorSpace(); + 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 -wxBitmapRefData::wxBitmapRefData() +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 { - 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 ; + 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 ; + } + +#ifndef __LP64__ + 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 ; + } +#endif + if (m_bitmapMask) + { + delete m_bitmapMask; + m_bitmapMask = NULL; + } } 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; + 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() { - m_refData = NULL; +} + +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(const 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); +} + +wxObjectRefData* wxBitmap::CreateRefData() const +{ + return new wxBitmapRefData; +} + +wxObjectRefData* wxBitmap::CloneRefData(const wxObjectRefData* data) const +{ + return new wxBitmapRefData(*wx_static_cast(const wxBitmapRefData *, data)); +} + +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() ; +} + +#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() ; + + m_refData = new wxBitmapRefData( w , h , d ); + + return M_BITMAPDATA->Ok() ; +} + +bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type) +{ + UnRef(); + + wxBitmapHandler *handler = FindHandler(type); + + if ( handler ) + { + m_refData = new wxBitmapRefData; + + return handler->LoadFile(this, filename, type, -1, -1); + } + else + { +#if wxUSE_IMAGE + wxImage loadimage(filename, type); + if (loadimage.Ok()) + { + *this = loadimage; + + return true; + } +#endif + } - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); -} + wxLogWarning(wxT("no bitmap handler for type %d defined."), type); -wxBitmap::~wxBitmap() -{ - if (wxTheBitmapList) - wxTheBitmapList->DeleteObject(this); + return false; } -wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits) +bool wxBitmap::Create(const void* data, wxBitmapType type, int width, int height, int depth) { - m_refData = new wxBitmapRefData; + UnRef(); - 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 ) ; - LockPixels( GetGWorldPixMap( M_BITMAPDATA->m_hBitmap ) ) ; - -#ifdef __UNIX__ - // bits is a word aligned array?? Don't think so - // bits is a char array on MAC OS X however using the benefit of the - // doubt I replaced references to 16 with sizeof(unsigned char)*8 - unsigned char* linestart = (unsigned char*) bits ; - int linesize = ( the_width / (sizeof(unsigned char) * 8)) ; - if ( the_width % (sizeof(unsigned char) * 8) ) { - linesize += sizeof(unsigned char); - } -#else - // bits is a word aligned array - - unsigned char* linestart = (unsigned char*) bits ; - int linesize = ( the_width / 16 ) * 2 ; - if ( the_width % 16 ) - { - linesize += 2 ; - } -#endif - - 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] ) ; - } - } - - } - UnlockPixels( GetGWorldPixMap( M_BITMAPDATA->m_hBitmap ) ) ; - - SetGWorld( origPort , origDevice ) ; - } - else - { - wxFAIL_MSG(wxT("multicolor BITMAPs not yet implemented")); - } - - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); -} + m_refData = new wxBitmapRefData; -wxBitmap::wxBitmap(int w, int h, int d) -{ - (void)Create(w, h, d); + wxBitmapHandler *handler = FindHandler(type); - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); -} + if ( handler == NULL ) + { + wxLogWarning(wxT("no bitmap handler for type %d defined."), type); -wxBitmap::wxBitmap(void *data, long type, int width, int height, int depth) -{ - (void) Create(data, type, width, height, depth); + return false; + } - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); + return handler->Create(this, data, type, width, height, depth); } -wxBitmap::wxBitmap(const wxString& filename, long type) +#if wxUSE_IMAGE + +wxBitmap::wxBitmap(const wxImage& image, int depth) { - LoadFile(filename, (int)type); + 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 char **data) -{ - (void) Create((void *)data, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0); -} + m_refData = new wxBitmapRefData( width , height , depth ) ; -wxBitmap::wxBitmap(char **data) -{ - (void) Create((void *)data, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0); -} + // Create picture -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") ); + bool hasAlpha = false ; - - wxBitmap ret( rect.width, rect.height, GetDepth() ); - wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") ); - - WXHBITMAP origPort; - GDHandle origDevice; - - GetGWorld( &origPort, &origDevice ); - - // Update the subbitmaps reference data - wxBitmapRefData *ref = (wxBitmapRefData *)ret.GetRefData(); - - ref->m_numColors = M_BITMAPDATA->m_numColors; - ref->m_bitmapPalette = M_BITMAPDATA->m_bitmapPalette; - ref->m_bitmapType = M_BITMAPDATA->m_bitmapType; - - // Copy sub region of this bitmap - if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypePict) - { - printf("GetSubBitmap: Copy a region of a Pict structure - TODO\n"); - } - else if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypeGrafWorld) - { - // Copy mask - if(GetMask()) - { - WXHBITMAP submask, mask; - RGBColor color; - - mask = GetMask()->GetMaskBitmap(); - submask = wxMacCreateGWorld(rect.width, rect.height, 1); - LockPixels(GetGWorldPixMap(mask)); - LockPixels(GetGWorldPixMap(submask)); - - for(int yy = 0; yy < rect.height; yy++) - { - for(int xx = 0; xx < rect.width; xx++) - { - SetGWorld(mask, NULL); - GetCPixel(rect.x + xx, rect.y + yy, &color); - SetGWorld(submask, NULL); - SetCPixel(xx,yy, &color); - } - } - UnlockPixels(GetGWorldPixMap(mask)); - UnlockPixels(GetGWorldPixMap(submask)); - ref->m_bitmapMask = new wxMask; - ref->m_bitmapMask->SetMaskBitmap(submask); - } - - // Copy bitmap - if(GetHBITMAP()) - { - WXHBITMAP subbitmap, bitmap; - RGBColor color; - - bitmap = GetHBITMAP(); - subbitmap = wxMacCreateGWorld(rect.width, rect.height, GetDepth()); - LockPixels(GetGWorldPixMap(bitmap)); - LockPixels(GetGWorldPixMap(subbitmap)); - - for(int yy = 0; yy < rect.height; yy++) - { - for(int xx = 0; xx < rect.width; xx++) - { - SetGWorld(bitmap, NULL); - GetCPixel(rect.x + xx, rect.y + yy, &color); - SetGWorld(subbitmap, NULL); - SetCPixel(xx, yy, &color); - } - } - UnlockPixels(GetGWorldPixMap(bitmap)); - UnlockPixels(GetGWorldPixMap(subbitmap)); - ret.SetHBITMAP(subbitmap); - } - } - SetGWorld( origPort, origDevice ); - - return ret; -} + if ( image.HasMask() ) + { + // takes precedence, don't mix with alpha info + } + else + { + hasAlpha = image.HasAlpha() ; + } -bool wxBitmap::Create(int w, int h, int d) -{ - UnRef(); + if ( hasAlpha ) + UseAlpha() ; - m_refData = new wxBitmapRefData; + 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() ) ) ) ; } -int wxBitmap::GetBitmapType() const +wxImage wxBitmap::ConvertToImage() const { - wxCHECK_MSG( Ok(), kMacBitmapTypeUnknownType, wxT("invalid bitmap") ); + wxImage image; - return M_BITMAPDATA->m_bitmapType; -} + wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") ); -void wxBitmap::SetHBITMAP(WXHBITMAP bmp) -{ - M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ; - M_BITMAPDATA->m_hBitmap = bmp ; - M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ; -} + // create an wxImage object + int width = GetWidth(); + int height = GetHeight(); + image.Create( width, height ); -bool wxBitmap::LoadFile(const wxString& filename, long type) -{ - UnRef(); + unsigned char *data = image.GetData(); + wxCHECK_MSG( data, wxNullImage, wxT("Could not allocate data for image") ); - m_refData = new wxBitmapRefData; + unsigned char* source = (unsigned char*) GetRawAccess() ; - wxBitmapHandler *handler = FindHandler(type); + bool hasAlpha = false ; + bool hasMask = false ; + int maskBytesPerRow = 0 ; + unsigned char *alpha = NULL ; + unsigned char *mask = NULL ; - if ( handler == NULL ) { - wxLogWarning("no bitmap handler for type %d defined.", type); + if ( HasAlpha() ) + hasAlpha = true ; - return FALSE; + if ( GetMask() ) + { + hasMask = true ; + mask = (unsigned char*) GetMask()->GetRawAccess() ; + maskBytesPerRow = GetMask()->GetBytesPerRow() ; } - return handler->LoadFile(this, filename, type, -1, -1); -} + if ( hasAlpha ) + { + image.SetAlpha() ; + alpha = image.GetAlpha() ; + } -bool wxBitmap::Create(void *data, long type, int width, int height, int depth) -{ - UnRef(); + int index = 0; - m_refData = new wxBitmapRefData; + // 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; - wxBitmapHandler *handler = FindHandler(type); + 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 ; - if ( handler == NULL ) { - wxLogWarning("no bitmap handler for type %d defined.", type); + data[index ] = r ; + data[index + 1] = g ; + data[index + 2] = b ; - return FALSE; + index += 3; + source += 4 ; + } } - return handler->Create(this, data, type, width, height, depth); + if ( hasMask ) + image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE ); + + return image; } -bool wxBitmap::SaveFile(const wxString& filename, int type, const wxPalette *palette) +#endif //wxUSE_IMAGE + +bool wxBitmap::SaveFile( const wxString& filename, + wxBitmapType type, const wxPalette *palette ) const { + bool success = false; wxBitmapHandler *handler = FindHandler(type); - if ( handler == NULL ) { - wxLogWarning("no bitmap handler for type %d defined.", type); - - return FALSE; - } + 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 + } - return handler->SaveFile(this, filename, type, palette); + return success; } -bool wxBitmap::Ok() const +bool wxBitmap::IsOk() const { - return (M_BITMAPDATA && M_BITMAPDATA->m_ok); + return (M_BITMAPDATA && M_BITMAPDATA->Ok()); } int wxBitmap::GetHeight() const { wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); - return M_BITMAPDATA->m_height; + return M_BITMAPDATA->GetHeight(); } int wxBitmap::GetWidth() const { wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); - return M_BITMAPDATA->m_width; + return M_BITMAPDATA->GetWidth() ; } int wxBitmap::GetDepth() const { wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); - return M_BITMAPDATA->m_depth; + return M_BITMAPDATA->GetDepth(); } +#if WXWIN_COMPATIBILITY_2_4 int wxBitmap::GetQuality() const { - wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); + return 0; +} - return M_BITMAPDATA->m_quality; +void wxBitmap::SetQuality(int WXUNUSED(quality)) +{ } +#endif wxMask *wxBitmap::GetMask() const { @@ -569,46 +1304,38 @@ wxMask *wxBitmap::GetMask() const return M_BITMAPDATA->m_bitmapMask; } -void wxBitmap::SetWidth(int w) +bool wxBitmap::HasAlpha() const { - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; + wxCHECK_MSG( Ok(), false , wxT("invalid bitmap") ); - M_BITMAPDATA->m_width = w; + return M_BITMAPDATA->HasAlpha() ; } -void wxBitmap::SetHeight(int h) +void wxBitmap::SetWidth(int w) { - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; - - M_BITMAPDATA->m_height = h; + AllocExclusive(); + M_BITMAPDATA->SetWidth(w); } -void wxBitmap::SetDepth(int d) +void wxBitmap::SetHeight(int h) { - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; - - M_BITMAPDATA->m_depth = d; + AllocExclusive(); + M_BITMAPDATA->SetHeight(h); } -void wxBitmap::SetQuality(int q) +void wxBitmap::SetDepth(int d) { - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; - - M_BITMAPDATA->m_quality = q; + AllocExclusive(); + M_BITMAPDATA->SetDepth(d); } void wxBitmap::SetOk(bool isOk) { - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; - - M_BITMAPDATA->m_ok = isOk; + AllocExclusive(); + M_BITMAPDATA->SetOk(isOk); } +#if wxUSE_PALETTE wxPalette *wxBitmap::GetPalette() const { wxCHECK_MSG( Ok(), NULL, wxT("Invalid bitmap GetPalette()") ); @@ -618,682 +1345,326 @@ wxPalette *wxBitmap::GetPalette() const void wxBitmap::SetPalette(const wxPalette& palette) { - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; - + AllocExclusive(); M_BITMAPDATA->m_bitmapPalette = palette ; } +#endif // wxUSE_PALETTE void wxBitmap::SetMask(wxMask *mask) { - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; + AllocExclusive(); + // Remove existing mask if there is one. + delete M_BITMAPDATA->m_bitmapMask; M_BITMAPDATA->m_bitmapMask = mask ; } -WXHBITMAP wxBitmap::GetHBITMAP() const +WXHBITMAP wxBitmap::GetHBITMAP(WXHBITMAP* mask) const { - wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") ); - - return M_BITMAPDATA->m_hBitmap; + return WXHBITMAP(M_BITMAPDATA->GetHBITMAP((GWorldPtr*)mask)); } -PicHandle wxBitmap::GetPict() const -{ - wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") ); - - PicHandle picture; // This is the returned picture - - // If bitmap already in Pict format return pointer - if(M_BITMAPDATA->m_bitmapType == kMacBitmapTypePict) { - return M_BITMAPDATA->m_hPict; - } - else if(M_BITMAPDATA->m_bitmapType != kMacBitmapTypeGrafWorld) { - // Invalid bitmap - return NULL; - } +// ---------------------------------------------------------------------------- +// wxMask +// ---------------------------------------------------------------------------- - RGBColor gray = { 0xCCCC ,0xCCCC , 0xCCCC } ; - RGBColor white = { 0xffff ,0xffff , 0xffff } ; - RGBColor black = { 0x0000 ,0x0000 , 0x0000 } ; - CGrafPtr origPort; - GDHandle origDev ; - wxMask *mask; - Rect portRect ; - - GetPortBounds( GetHBITMAP() , &portRect ) ; - int width = portRect.right - portRect.left ; - int height = portRect.bottom - portRect.top ; - - LockPixels( GetGWorldPixMap( GetHBITMAP() ) ) ; - GetGWorld( &origPort , &origDev ) ; - - mask = GetMask(); +wxMask::wxMask() +{ + Init() ; +} - SetGWorld( GetHBITMAP() , NULL ) ; +wxMask::wxMask(const wxMask &tocopy) +{ + Init(); - picture = OpenPicture(&portRect); // open a picture, this disables drawing - if(!picture) { - return NULL; - } + m_bytesPerRow = tocopy.m_bytesPerRow; + m_width = tocopy.m_width; + m_height = tocopy.m_height; - if( mask ) - { -#ifdef __UNIX__ - RGBColor trans = white; -#else - RGBBackColor( &gray ); - EraseRect( &portRect ); - RGBColor trans = gray; -#endif - RGBForeColor( &black ) ; - RGBBackColor( &white ) ; - PenMode(transparent); - - for ( int y = 0 ; y < height ; ++y ) - { - for( int x = 0 ; x < width ; ++x ) - { - if ( !mask->PointMasked(x,y) ) - { - RGBColor col ; - - GetCPixel( x + portRect.left , y + portRect.top , &col ) ; - SetCPixel( x + portRect.left , y + portRect.top , &col ) ; - } - else { - // With transparency this sets a blank pixel - SetCPixel( x + portRect.left , y + portRect.top , &trans); - } - } - } - } - else - { - RGBBackColor( &gray ) ; - EraseRect(&portRect); - RGBForeColor( &black ) ; - RGBBackColor( &white ) ; - - CopyBits(GetPortBitMapForCopyBits(GetHBITMAP()), - // src PixMap - we copy image over itself - - GetPortBitMapForCopyBits(GetHBITMAP()), - // dst PixMap - no drawing occurs - &portRect, // srcRect - it will be recorded and compressed - - &portRect, // dstRect - into the picture that is open - - srcCopy,NULL); // copyMode and no clip region - } - ClosePicture(); // We are done recording the picture - UnlockPixels( GetGWorldPixMap( GetHBITMAP() ) ) ; - SetGWorld( origPort , origDev ) ; - - return picture; // return our groovy pict handle -} - -void wxBitmap::AddHandler(wxBitmapHandler *handler) -{ - sm_handlers.Append(handler); -} - -void wxBitmap::InsertHandler(wxBitmapHandler *handler) -{ - sm_handlers.Insert(handler); -} - -bool wxBitmap::RemoveHandler(const wxString& name) -{ - wxBitmapHandler *handler = FindHandler(name); - if ( handler ) + size_t size = m_bytesPerRow * m_height; + unsigned char* dest = (unsigned char*)m_memBuf.GetWriteBuf( size ); + unsigned char* source = (unsigned char*)tocopy.m_memBuf.GetData(); + for (size_t i=0; iData(); - if ( handler->GetName() == name ) - return handler; - node = node->Next(); - } - return NULL; + m_memBuf.UngetWriteBuf( size ) ; + RealizeNative() ; } -wxBitmapHandler *wxBitmap::FindHandler(const wxString& extension, long bitmapType) +// Construct a mask from a bitmap and a colour indicating +// the transparent area +wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour ) { - 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( bitmap, colour ); } -wxBitmapHandler *wxBitmap::FindHandler(long bitmapType) +// 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->GetType() == bitmapType) - return handler; - node = node->Next(); - } - return NULL; + Init() ; + Create( bitmap ); } -/* - * wxMask - */ +// Construct a mask from a mono bitmap (copies the bitmap). -wxMask::wxMask() +wxMask::wxMask( const wxMemoryBuffer& data, int width , int height , int bytesPerRow ) { - m_maskBitmap = 0; + Init() ; + Create( data, width , height , bytesPerRow ); } -// Construct a mask from a bitmap and a colour indicating -// the transparent area -wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour) +wxMask::~wxMask() { - m_maskBitmap = 0; - Create(bitmap, colour); +#ifndef __LP64__ + if ( m_maskBitmap ) + { + DisposeGWorld( (GWorldPtr)m_maskBitmap ) ; + m_maskBitmap = NULL ; + } +#endif } -// Construct a mask from a bitmap and a palette index indicating -// the transparent area -wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex) +void wxMask::Init() { - m_maskBitmap = 0; - Create(bitmap, paletteIndex); + m_width = m_height = m_bytesPerRow = 0 ; + m_maskBitmap = NULL ; } -// Construct a mask from a mono bitmap (copies the bitmap). -wxMask::wxMask(const wxBitmap& bitmap) +void *wxMask::GetRawAccess() const { - m_maskBitmap = 0; - Create(bitmap); + return m_memBuf.GetData() ; } -wxMask::~wxMask() -{ - if ( m_maskBitmap ) - { - wxMacDestroyGWorld( m_maskBitmap ) ; - m_maskBitmap = NULL ; - } -} +// 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 -// Create a mask from a mono bitmap (copies the bitmap). -bool wxMask::Create(const wxBitmap& bitmap) +void wxMask::RealizeNative() { - if ( m_maskBitmap ) - { - wxMacDestroyGWorld( m_maskBitmap ) ; +#ifndef __LP64__ + if ( m_maskBitmap ) + { + DisposeGWorld( (GWorldPtr)m_maskBitmap ) ; m_maskBitmap = NULL ; - } - wxCHECK_MSG( bitmap.GetBitmapType() == kMacBitmapTypeGrafWorld, false, - wxT("Cannot create mask from this bitmap type (TODO)")); - // other types would require a temporary bitmap. not yet implemented + } + + Rect rect = { 0 , 0 , m_height , m_width } ; - wxCHECK_MSG( bitmap.Ok(), false, wxT("Invalid bitmap")); + OSStatus err = NewGWorldFromPtr( + (GWorldPtr*) &m_maskBitmap , k32ARGBPixelFormat , &rect , NULL , NULL , 0 , + (char*) m_memBuf.GetData() , m_bytesPerRow ) ; + verify_noerr( err ) ; +#endif +} - wxCHECK_MSG(bitmap.GetDepth() == 1, false, - wxT("Cannot create mask from colour bitmap")); +// Create a mask from a mono bitmap (copies the bitmap). - m_maskBitmap = wxMacCreateGWorld(bitmap.GetWidth(), bitmap.GetHeight(), 1); - Rect rect = { 0,0, bitmap.GetHeight(), bitmap.GetWidth() }; +bool wxMask::Create(const wxMemoryBuffer& data,int width , int height , int bytesPerRow) +{ + m_memBuf = data ; + m_width = width ; + m_height = height ; + m_bytesPerRow = bytesPerRow ; - LockPixels( GetGWorldPixMap(m_maskBitmap) ); - LockPixels( GetGWorldPixMap(bitmap.GetHBITMAP()) ); - CopyBits(GetPortBitMapForCopyBits(bitmap.GetHBITMAP()), - GetPortBitMapForCopyBits(m_maskBitmap), - &rect, &rect, srcCopy, 0); - UnlockPixels( GetGWorldPixMap(m_maskBitmap) ); - UnlockPixels( GetGWorldPixMap(bitmap.GetHBITMAP()) ); + wxASSERT( data.GetDataLen() == (size_t)(height * bytesPerRow) ) ; - return FALSE; -} + RealizeNative() ; -// Create a mask from a bitmap and a palette index indicating -// the transparent area -bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex) -{ -// TODO - wxCHECK_MSG( 0, false, wxT("Not implemented")); - return FALSE; + return true ; } -// Create a mask from a bitmap and a colour indicating -// the transparent area -bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour) +// Create a mask from a mono bitmap (copies the bitmap). +bool wxMask::Create(const wxBitmap& bitmap) { - if ( m_maskBitmap ) - { - wxMacDestroyGWorld( m_maskBitmap ) ; - m_maskBitmap = NULL ; - } - wxCHECK_MSG( bitmap.GetBitmapType() == kMacBitmapTypeGrafWorld, false, - wxT("Cannot create mask from this bitmap type (TODO)")); - // other types would require a temporary bitmap. not yet implemented - - wxCHECK_MSG( bitmap.Ok(), false, wxT("Illigal bitmap")); - - m_maskBitmap = wxMacCreateGWorld( bitmap.GetWidth() , bitmap.GetHeight() , 1 ); - LockPixels( GetGWorldPixMap( m_maskBitmap ) ); - LockPixels( GetGWorldPixMap( bitmap.GetHBITMAP() ) ); - 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 ; - RGBColor col; - RGBColor colors[2] = { - { 0xFFFF, 0xFFFF, 0xFFFF }, - { 0, 0, 0 }}; - - GetGWorld( &origPort , &origDevice ) ; - for (int w = 0; w < bitmap.GetWidth(); w++) + 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 ) { - for (int h = 0; h < bitmap.GetHeight(); h++) - { - SetGWorld( bitmap.GetHBITMAP(), NULL ) ; - GetCPixel( w , h , &col ) ; - SetGWorld( m_maskBitmap , NULL ) ; - if (col.red == maskColor.red && col.green == maskColor.green && col.blue == maskColor.blue) + 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 ) { - 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 ; } } } - UnlockPixels( GetGWorldPixMap( (CGrafPtr) m_maskBitmap ) ) ; - UnlockPixels( GetGWorldPixMap( bitmap.GetHBITMAP() ) ) ; - SetGWorld( origPort , origDevice ) ; - return TRUE; + m_memBuf.UngetWriteBuf( size ) ; + RealizeNative() ; + + return true; } -bool wxMask::PointMasked(int x, int y) +// Create a mask from a bitmap and a colour indicating +// the transparent area +bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour) { - WXHBITMAP origPort; - GDHandle origDevice; - RGBColor color; - bool masked = true; + m_width = bitmap.GetWidth() ; + m_height = bitmap.GetHeight() ; + m_bytesPerRow = ( m_width * 4 + 3 ) & 0xFFFFFFC ; - GetGWorld( &origPort, &origDevice); + size_t size = m_bytesPerRow * m_height ; + unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ; + wxASSERT( destdatabase != NULL ) ; - //Set port to mask and see if it masked (1) or not ( 0 ) - SetGWorld(m_maskBitmap, NULL); - LockPixels(GetGWorldPixMap(m_maskBitmap)); - GetCPixel(x,y, &color); - masked = !(color.red == 0 && color.green == 0 && color.blue == 0); - UnlockPixels(GetGWorldPixMap(m_maskBitmap)); + memset( destdatabase , 0 , size ) ; + unsigned char * srcdata = (unsigned char*) bitmap.GetRawAccess() ; - SetGWorld( origPort, origDevice); + for ( int y = 0 ; y < m_height ; ++y , destdatabase += m_bytesPerRow) + { + unsigned char *destdata = destdatabase ; + unsigned char r, g, b; - return masked; -} + for ( int x = 0 ; x < m_width ; ++x ) + { + srcdata++ ; + r = *srcdata++ ; + g = *srcdata++ ; + b = *srcdata++ ; -/* - * wxBitmapHandler - */ + if ( colour == wxColour( r , g , b ) ) + { + *destdata++ = 0xFF ; + *destdata++ = 0xFF ; + *destdata++ = 0xFF ; + *destdata++ = 0xFF ; + } + else + { + *destdata++ = 0x00 ; + *destdata++ = 0x00 ; + *destdata++ = 0x00 ; + *destdata++ = 0x00 ; + } + } + } -IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject) + m_memBuf.UngetWriteBuf( size ) ; + RealizeNative() ; -bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth) -{ - return FALSE; + return true; } -bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long type, - int desiredWidth, int desiredHeight) +WXHBITMAP wxMask::GetHBITMAP() const { - return FALSE; + return m_maskBitmap ; } -bool wxBitmapHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette) -{ - return FALSE; -} +// ---------------------------------------------------------------------------- +// wxBitmapHandler +// ---------------------------------------------------------------------------- + +IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxBitmapHandlerBase) -/* - * 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 ; - -#if TARGET_CARBON - c2pstrcpy( (StringPtr) theName , name ) ; -#else - strcpy( (char *) theName , name ) ; - c2pstr( (char *)theName ) ; -#endif - - 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() - { - 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) -*/ +#if wxUSE_METAFILE + Str255 theName ; + wxMacStringToPascal( name , theName ) ; -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) + PicHandle thePict = (PicHandle ) GetNamedResource( 'PICT' , theName ) ; + if ( thePict ) + { + wxMetafile mf ; -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; + mf.SetHMETAFILE( (WXHMETAFILE) thePict ) ; + bitmap->Create( mf.GetWidth() , mf.GetHeight() ) ; + wxMemoryDC dc ; + dc.SelectObject( *bitmap ) ; + mf.Play( &dc ) ; + dc.SelectObject( wxNullBitmap ) ; - 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)) - { - - 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; - else - return FALSE; - } else return FALSE; - } else return FALSE; -#else - return FALSE; -#endif + return false ; } - -class WXDLLEXPORT wxXPMDataHandler: public wxBitmapHandler -{ - 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) +void wxBitmap::InitStandardHandlers() { - XImage * ximage = NULL ; - XImage * xshapeimage = NULL ; - int ErrorStatus; - XpmAttributes xpmAttr; - - xpmAttr.valuemask = XpmReturnInfos; // get infos back - ErrorStatus = XpmCreateImageFromData( GetMainDevice() , (char **)data, - &ximage, &xshapeimage, &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 ; - if ( xshapeimage != NULL ) - { - wxMask* m = new wxMask() ; - m->SetMaskBitmap( xshapeimage->gworldptr ) ; - M_BITMAPHANDLERDATA->m_bitmapMask = m ; - } - 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. - // 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; - 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 ); }