X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bb356c9ea78919fbc01e19c36bb925c80abb68a4..6cef0db28018fd2644ee4e38af715872e5242459:/src/mac/carbon/bitmap.cpp?ds=sidebyside diff --git a/src/mac/carbon/bitmap.cpp b/src/mac/carbon/bitmap.cpp index 8d7cf8f4b9..7fd7536644 100644 --- a/src/mac/carbon/bitmap.cpp +++ b/src/mac/carbon/bitmap.cpp @@ -1,366 +1,880 @@ ///////////////////////////////////////////////////////////////////////////// -// 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 "bitmapbase.h" -#pragma implementation "bitmap.h" -#endif - -#include "wx/defs.h" +#include "wx/wxprec.h" #include "wx/bitmap.h" -#include "wx/icon.h" -#include "wx/log.h" -#include "wx/image.h" + +#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 +#include #include "wx/mac/uma.h" -CTabHandle wxMacCreateColorTable( int numColors ) +// 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 + +class WXDLLEXPORT wxBitmapRefData: public wxGDIRefData +{ + friend class WXDLLIMPEXP_FWD_CORE wxIcon; + friend class WXDLLIMPEXP_FWD_CORE wxCursor; +public: + wxBitmapRefData(int width , int height , int depth); + wxBitmapRefData(); + wxBitmapRefData(const wxBitmapRefData &tocopy); + + virtual ~wxBitmapRefData(); + + virtual bool IsOk() const { return m_ok; } + + void Free(); + void SetOk( bool isOk) { m_ok = isOk; } + + void SetWidth( int width ) { m_width = width; } + void SetHeight( int height ) { m_height = height; } + void SetDepth( int depth ) { m_depth = depth; } + + int GetWidth() const { return m_width; } + int GetHeight() const { return m_height; } + int GetDepth() const { return m_depth; } + + void *GetRawAccess() const; + void *BeginRawAccess(); + void EndRawAccess(); + + bool HasAlpha() const { return m_hasAlpha; } + void UseAlpha( bool useAlpha ); + +public: +#if wxUSE_PALETTE + wxPalette m_bitmapPalette; +#endif // wxUSE_PALETTE + + wxMask * m_bitmapMask; // Optional mask + CGImageRef CreateCGImage() const; + + // returns true if the bitmap has a size that + // can be natively transferred into a true icon + // if no is returned GetIconRef will still produce + // an icon but it will be generated via a PICT and + // rescaled to 16 x 16 + bool HasNativeSize(); + + // caller should increase ref count if needed longer + // than the bitmap exists + IconRef GetIconRef(); + + // returns a Pict from the bitmap content + PicHandle GetPictHandle(); + + CGContextRef GetBitmapContext() const; + + int GetBytesPerRow() const { return m_bytesPerRow; } + private : + bool Create(int width , int height , int depth); + void Init(); + + int m_width; + int m_height; + int m_bytesPerRow; + int m_depth; + bool m_hasAlpha; + wxMemoryBuffer m_memBuf; + int m_rawAccessCount; + bool m_ok; + mutable CGImageRef m_cgImageRef; + + IconRef m_iconRef; + PicHandle m_pictHandle; + + CGContextRef m_hBitmap; +}; + + +#define wxMAC_USE_PREMULTIPLIED_ALPHA 1 +static const int kBestByteAlignement = 16; +static const int kMaskBytesPerPixel = 1; + +static int GetBestBytesPerRow( int rawBytes ) +{ + return (((rawBytes)+kBestByteAlignement-1) & ~(kBestByteAlignement-1) ); +} + +#if wxUSE_GUI + +// this is used for more controls than just the wxBitmap button, also for notebooks etc + +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 ( forceType == 0 ) + { + forceType = kControlContentCGImageRef; + } + + if ( 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 ) ; + } + else if ( forceType == kControlContentCGImageRef ) + { + info->contentType = kControlContentCGImageRef ; + info->u.imageRef = (CGImageRef) bmap->CreateCGImage() ; + } + else + { +#ifndef __LP64__ + info->contentType = kControlContentPictHandle ; + info->u.picture = bmap->GetPictHandle() ; +#endif + } + } +} + +CGImageRef wxMacCreateCGImageFromBitmap( const wxBitmap& bitmap ) +{ + wxBitmapRefData * bmap = bitmap.GetBitmapData() ; + if ( bmap == NULL ) + return NULL ; + return (CGImageRef) bmap->CreateCGImage(); +} + +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 + } + else if ( info->contentType == kControlContentCGImageRef ) + { + CGImageRelease( info->u.imageRef ) ; + } + else + { + wxFAIL_MSG(wxT("Unexpected bitmap type") ) ; + } +} + +#endif //wxUSE_BMPBUTTON + +#define M_BITMAPDATA ((wxBitmapRefData *)m_refData) + +void wxBitmapRefData::Init() { - CTabHandle newColors; /* Handle to the new color table */ - - /* 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 ; + m_width = 0 ; + m_height = 0 ; + m_depth = 0 ; + m_bytesPerRow = 0; + m_ok = false ; + m_bitmapMask = NULL ; + m_cgImageRef = NULL ; + + m_iconRef = NULL ; + m_pictHandle = NULL ; + m_hBitmap = NULL ; + + m_rawAccessCount = 0 ; + m_hasAlpha = false; } -void wxMacDestroyColorTable( CTabHandle colors ) +wxBitmapRefData::wxBitmapRefData(const wxBitmapRefData &tocopy) { - DisposeHandle( (Handle) colors ) ; + Init(); + Create(tocopy.m_width, tocopy.m_height, tocopy.m_depth); + + if (tocopy.m_bitmapMask) + m_bitmapMask = new wxMask(*tocopy.m_bitmapMask); + else if (tocopy.m_hasAlpha) + UseAlpha(true); + + unsigned char* dest = (unsigned char*)GetRawAccess(); + unsigned char* source = (unsigned char*)tocopy.GetRawAccess(); + size_t numbytes = m_bytesPerRow * m_height; + memcpy( dest, source, numbytes ); } -void wxMacSetColorTableEntry( CTabHandle newColors , int index , int red , int green , int blue ) +wxBitmapRefData::wxBitmapRefData() { - (**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; + Init() ; } -GWorldPtr wxMacCreateGWorld( int width , int height , int depth ) +wxBitmapRefData::wxBitmapRefData( int w , int h , int d ) { - OSErr err = noErr ; - GWorldPtr port ; - Rect rect = { 0 , 0 , height , width } ; - - if ( depth < 0 ) - { - depth = wxDisplayDepth() ; - } - - err = NewGWorld( &port , depth , &rect , NULL , NULL , 0 ) ; - if ( err == noErr ) - { - return port ; - } - return NULL ; + Init() ; + Create( w , h , d ) ; } -void wxMacDestroyGWorld( GWorldPtr gw ) +bool wxBitmapRefData::Create( int w , int h , int d ) { - if ( gw ) - DisposeGWorld( gw ) ; + m_width = wxMax(1, w); + m_height = wxMax(1, h); + m_depth = d ; + m_hBitmap = NULL ; + + m_bytesPerRow = GetBestBytesPerRow( w * 4 ) ; + size_t size = m_bytesPerRow * h ; + void* data = m_memBuf.GetWriteBuf( size ) ; + if ( data != NULL ) + { + memset( data , 0 , size ) ; + m_memBuf.UngetWriteBuf( size ) ; + + m_hBitmap = CGBitmapContextCreate((char*) data, m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), kCGImageAlphaNoneSkipFirst ); + wxASSERT_MSG( m_hBitmap , wxT("Unable to create CGBitmapContext context") ) ; + CGContextTranslateCTM( m_hBitmap, 0, m_height ); + CGContextScaleCTM( m_hBitmap, 1, -1 ); + } /* data != NULL */ + m_ok = ( m_hBitmap != NULL ) ; + + return m_ok ; } -#define kDefaultRes 0x00480000 /* Default resolution is 72 DPI; Fixed type */ +void wxBitmapRefData::UseAlpha( bool use ) +{ + if ( m_hasAlpha == use ) + return ; + + m_hasAlpha = use ; + + CGContextRelease( m_hBitmap ); + m_hBitmap = CGBitmapContextCreate((char*) m_memBuf.GetData(), m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), m_hasAlpha ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaNoneSkipFirst ); + wxASSERT_MSG( m_hBitmap , wxT("Unable to create CGBitmapContext context") ) ; + CGContextTranslateCTM( m_hBitmap, 0, m_height ); + CGContextScaleCTM( m_hBitmap, 1, -1 ); +} -OSErr SetupCIconHandlePixMap( CIconHandle icon , short depth , Rect *bounds , CTabHandle colors ) +void *wxBitmapRefData::GetRawAccess() const { - CTabHandle newColors; /* Color table used for the off-screen PixMap */ - Ptr offBaseAddr; /* Pointer to the off-screen pixel image */ - OSErr error; /* Returns error code */ - short bytesPerRow; /* Number of bytes per row in the PixMap */ + wxCHECK_MSG( IsOk(), NULL , wxT("invalid bitmap") ) ; + return m_memBuf.GetData() ; +} +void *wxBitmapRefData::BeginRawAccess() +{ + wxCHECK_MSG( IsOk(), 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") ) ; - error = noErr; - newColors = nil; - offBaseAddr = nil; + ++m_rawAccessCount ; - bytesPerRow = ((depth * (bounds->right - bounds->left) + 31) / 32) * 4; + // we must destroy an existing cached image, as + // the bitmap data may change now + if ( m_cgImageRef ) + { + CGImageRelease( m_cgImageRef ) ; + m_cgImageRef = NULL ; + } - /* Clone the clut if indexed color; allocate a dummy clut if direct color*/ - if (depth <= 8) - { - newColors = colors; - error = HandToHand((Handle *) &newColors); - } - else + return m_memBuf.GetData() ; +} + +void wxBitmapRefData::EndRawAccess() +{ + wxCHECK_RET( IsOk() , wxT("invalid bitmap") ) ; + wxASSERT( m_rawAccessCount == 1 ) ; + + --m_rawAccessCount ; +} + +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 = (IconFamilyHandle) NewHandle( 0 ); + + int w = GetWidth() ; + int h = GetHeight() ; + int sz = wxMax( w , h ) ; + + OSType dataType = 0 ; + OSType maskType = 0 ; + + switch (sz) { - newColors = (CTabHandle) NewHandle(sizeof(ColorTable) - - sizeof(CSpecArray)); - error = MemError(); + case 128: +#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 + if ( UMAGetSystemVersion() >= 0x1050 ) + { + dataType = kIconServices128PixelDataARGB ; + } + else +#endif + { + dataType = kThumbnail32BitData ; + maskType = kThumbnail8BitMask ; + } + break; + + case 48: +#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 + if ( UMAGetSystemVersion() >= 0x1050 ) + { + dataType = kIconServices48PixelDataARGB ; + } + else +#endif + { + dataType = kHuge32BitData ; + maskType = kHuge8BitMask ; + } + break; + + case 32: +#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 + if ( UMAGetSystemVersion() >= 0x1050 ) + { + dataType = kIconServices32PixelDataARGB ; + } + else +#endif + { + dataType = kLarge32BitData ; + maskType = kLarge8BitMask ; + } + break; + + case 16: +#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 + if ( UMAGetSystemVersion() >= 0x1050 ) + { + dataType = kIconServices16PixelDataARGB ; + } + else +#endif + { + dataType = kSmall32BitData ; + maskType = kSmall8BitMask ; + } + break; + + default: + break; } - if (error == noErr) + + if ( dataType != 0 ) { - /* Allocate pixel image; long integer multiplication avoids overflow */ - (**icon).iconData = NewHandle((unsigned long) bytesPerRow * (bounds->bottom - - bounds->top)); - if ((**icon).iconData != nil) +#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 + if ( maskType == 0 && UMAGetSystemVersion() >= 0x1050 ) { - /* Initialize fields common to indexed and direct PixMaps */ - (**icon).iconPMap.baseAddr = 0; /* Point to image */ - (**icon).iconPMap.rowBytes = bytesPerRow | /* MSB set for PixMap */ - 0x8000; - (**icon).iconPMap.bounds = *bounds; /* Use given bounds */ - (**icon).iconPMap.pmVersion = 0; /* No special stuff */ - (**icon).iconPMap.packType = 0; /* Default PICT pack */ - (**icon).iconPMap.packSize = 0; /* Always zero in mem */ - (**icon).iconPMap.hRes = kDefaultRes; /* 72 DPI default res */ - (**icon).iconPMap.vRes = kDefaultRes; /* 72 DPI default res */ - (**icon).iconPMap.pixelSize = depth; /* Set # bits/pixel */ - - /* Initialize fields specific to indexed and direct PixMaps */ - if (depth <= 8) + size_t datasize = sz * sz * 4 ; + Handle data = NewHandle( datasize ) ; + HLock( data ) ; + unsigned char* ptr = (unsigned char*) *data ; + memset( ptr, 0, datasize ); + bool hasAlpha = HasAlpha() ; + wxMask *mask = m_bitmapMask ; + unsigned char * sourcePtr = (unsigned char*) GetRawAccess() ; + unsigned char * masksourcePtr = mask ? (unsigned char*) mask->GetRawAccess() : NULL ; + + for ( int y = 0 ; y < h ; ++y, sourcePtr += m_bytesPerRow , masksourcePtr += mask ? mask->GetBytesPerRow() : 0 ) { - /* PixMap is indexed */ - (**icon).iconPMap.pixelType = 0; /* Indicates indexed */ - (**icon).iconPMap.cmpCount = 1; /* Have 1 component */ - (**icon).iconPMap.cmpSize = depth; /* Component size=depth */ - (**icon).iconPMap.pmTable = newColors; /* Handle to CLUT */ + unsigned char * source = sourcePtr; + unsigned char * masksource = masksourcePtr; + unsigned char * dest = ptr + y * sz * 4 ; + unsigned char a, r, g, b; + + for ( int x = 0 ; x < w ; ++x ) + { + a = *source ++ ; + r = *source ++ ; + g = *source ++ ; + b = *source ++ ; + + if ( mask ) + { + a = 0xFF - *masksource++ ; + } + else if ( !hasAlpha ) + a = 0xFF ; + else + { +#if wxMAC_USE_PREMULTIPLIED_ALPHA + // this must be non-premultiplied data + if ( a != 0xFF && a!= 0 ) + { + r = r * 255 / a; + g = g * 255 / a; + b = b * 255 / a; + } +#endif + } + *dest++ = a ; + *dest++ = r ; + *dest++ = g ; + *dest++ = b ; + + } } + HUnlock( data ); + OSStatus err = SetIconFamilyData( iconFamily, dataType , data ); + wxASSERT_MSG( err == noErr , wxT("Error when adding bitmap") ); + DisposeHandle( data ); + } else +#endif + { + // 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 * sourcePtr = (unsigned char*) GetRawAccess() ; + unsigned char * masksourcePtr = mask ? (unsigned char*) mask->GetRawAccess() : NULL ; + + for ( int y = 0 ; y < h ; ++y, sourcePtr += m_bytesPerRow , masksourcePtr += mask ? mask->GetBytesPerRow() : 0 ) { - /* PixMap is direct */ - (**icon).iconPMap.pixelType = RGBDirect; /* Indicates direct */ - (**icon).iconPMap.cmpCount = 3; /* Have 3 components */ - if (depth == 16) - (**icon).iconPMap.cmpSize = 5; /* 5 bits/component */ - else - (**icon).iconPMap.cmpSize = 8; /* 8 bits/component */ - (**newColors).ctSeed = 3 * (**icon).iconPMap.cmpSize; - (**newColors).ctFlags = 0; - (**newColors).ctSize = 0; - (**icon).iconPMap.pmTable = newColors; + unsigned char * source = sourcePtr; + unsigned char * masksource = masksourcePtr; + 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++ ; + 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 - error = MemError(); } - else - newColors = nil; - - /* If no errors occured, return a handle to the new off-screen PixMap */ - if (error != noErr) + else { - if (newColors != nil) - DisposeCTable(newColors); + PicHandle pic = GetPictHandle() ; + SetIconFamilyData( iconFamily, 'PICT' , (Handle) pic ) ; } + // transform into IconRef + + // 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") ); + DisposeHandle( (Handle) iconFamily ) ; + } - /* Return the error code */ - return error; + return m_iconRef ; } -CIconHandle wxMacCreateCIcon(GWorldPtr image , GWorldPtr mask , short dstDepth , short iconSize ) +PicHandle wxBitmapRefData::GetPictHandle() { - GWorldPtr saveWorld; - GDHandle saveHandle; + if ( m_pictHandle == NULL ) + { +#ifndef __LP64__ + GraphicsExportComponent exporter = 0; + OSStatus err = OpenADefaultComponent(GraphicsExporterComponentType, kQTFileTypePicture, &exporter); + if (noErr == err) + { + m_pictHandle = (PicHandle) NewHandle(0); + if ( m_pictHandle ) + { + // QT does not correctly export the mask + // TODO if we get around to it create a synthetic PICT with the CopyBits and Mask commands + CGImageRef imageRef = CreateCGImage(); + err = GraphicsExportSetInputCGImage( exporter, imageRef ); + err = GraphicsExportSetOutputHandle(exporter, (Handle)m_pictHandle); + err = GraphicsExportDoExport(exporter, NULL); + CGImageRelease( imageRef ); + + size_t handleSize = GetHandleSize( (Handle) m_pictHandle ); + // the 512 bytes header is only needed for pict files, but not in memory + if ( handleSize >= 512 ) + { + memmove( *m_pictHandle , (char*)(*m_pictHandle)+512, handleSize - 512 ); + SetHandleSize( (Handle) m_pictHandle, handleSize - 512 ); + } + } + CloseComponent( exporter ); + } +#endif + } - GetGWorld(&saveWorld,&saveHandle); // save Graphics env state - SetGWorld(image,nil); + return m_pictHandle ; +} - Rect frame = { 0 , 0 , iconSize , iconSize } ; - Rect imageBounds = frame ; - GetPortBounds( image , &imageBounds ) ; +CGImageRef wxBitmapRefData::CreateCGImage() const +{ + wxASSERT( m_ok ) ; + wxASSERT( m_rawAccessCount >= 0 ) ; + CGImageRef image ; + if ( m_rawAccessCount > 0 || m_cgImageRef == NULL ) + { + if ( m_depth != 1 && m_bitmapMask == NULL ) + { + if ( m_bitmapMask ) + { + CGImageRef tempImage = CGBitmapContextCreateImage( m_hBitmap ); + CGImageRef tempMask = CGBitmapContextCreateImage((CGContextRef) m_bitmapMask->GetHBITMAP() ); + image = CGImageCreateWithMask( tempImage, tempMask ); + CGImageRelease(tempMask); + CGImageRelease(tempImage); + } + else + image = CGBitmapContextCreateImage( m_hBitmap ); + } + else + { + size_t imageSize = m_height * m_bytesPerRow ; + void * dataBuffer = m_memBuf.GetData() ; + int w = m_width ; + int h = m_height ; + CGImageAlphaInfo alphaInfo = kCGImageAlphaNoneSkipFirst ; + wxMemoryBuffer membuf; + + if ( m_bitmapMask ) + { + alphaInfo = kCGImageAlphaFirst ; + unsigned char *destalphastart = (unsigned char*) membuf.GetWriteBuf( imageSize ) ; + memcpy( destalphastart , dataBuffer , imageSize ) ; + unsigned char *sourcemaskstart = (unsigned char *) m_bitmapMask->GetRawAccess() ; + int maskrowbytes = m_bitmapMask->GetBytesPerRow() ; + for ( int y = 0 ; y < h ; ++y , destalphastart += m_bytesPerRow, sourcemaskstart += maskrowbytes) + { + unsigned char *sourcemask = sourcemaskstart ; + unsigned char *destalpha = destalphastart ; + for ( int x = 0 ; x < w ; ++x , sourcemask += kMaskBytesPerPixel , destalpha += 4 ) + { + *destalpha = 0xFF - *sourcemask ; + } + } + membuf.UngetWriteBuf( imageSize ); + } + else + { + if ( m_hasAlpha ) + { +#if wxMAC_USE_PREMULTIPLIED_ALPHA + alphaInfo = kCGImageAlphaPremultipliedFirst ; +#else + alphaInfo = kCGImageAlphaFirst ; +#endif + } - int bwSize = iconSize / 8 * iconSize ; - CIconHandle icon = (CIconHandle) NewHandleClear( sizeof ( CIcon ) + 2 * bwSize) ; - HLock((Handle)icon) ; - SetupCIconHandlePixMap( icon , dstDepth , &frame,GetCTable(dstDepth)) ; - HLock( (**icon).iconData ) ; - (**icon).iconPMap.baseAddr = *(**icon).iconData ; + membuf = m_memBuf; + } - LockPixels(GetGWorldPixMap(image)); - - CopyBits(GetPortBitMapForCopyBits(image), - (BitMapPtr)&((**icon).iconPMap), - &imageBounds, - &imageBounds, - srcCopy | ditherCopy, nil); - - - UnlockPixels(GetGWorldPixMap(image)); - HUnlock( (**icon).iconData ) ; - - (**icon).iconMask.rowBytes = iconSize / 8 ; - (**icon).iconMask.bounds = frame ; + CGDataProviderRef dataProvider = NULL ; + if ( m_depth == 1 ) + { + // TODO CHECK ALIGNMENT + wxMemoryBuffer maskBuf; + unsigned char * maskBufData = (unsigned char*) maskBuf.GetWriteBuf( m_width * m_height ); + unsigned char * bufData = (unsigned char *) membuf.GetData() ; + // copy one color component + size_t i = 0; + for( int y = 0 ; y < m_height ; bufData+= m_bytesPerRow, ++y ) + { + unsigned char *bufDataIter = bufData+3; + for ( int x = 0 ; x < m_width ; bufDataIter += 4, ++x, ++i ) + { + maskBufData[i] = *bufDataIter; + } + } + maskBuf.UngetWriteBuf( m_width * m_height ); - (**icon).iconBMap.rowBytes = iconSize / 8 ; - (**icon).iconBMap.bounds = frame ; - (**icon).iconMask.baseAddr = (char*) &(**icon).iconMaskData ; - (**icon).iconBMap.baseAddr = (char*) &(**icon).iconMaskData + bwSize ; + dataProvider = + wxMacCGDataProviderCreateWithMemoryBuffer( maskBuf ); - if ( mask ) - { - LockPixels(GetGWorldPixMap(mask) ) ; - CopyBits(GetPortBitMapForCopyBits(mask) , - &(**icon).iconBMap , &imageBounds , &imageBounds, srcCopy , nil ) ; - CopyBits(GetPortBitMapForCopyBits(mask) , - &(**icon).iconMask , &imageBounds , &imageBounds, srcCopy , nil ) ; - UnlockPixels(GetGWorldPixMap( mask ) ) ; + image = ::CGImageMaskCreate( w, h, 8, 8, m_width , dataProvider, NULL, false ); + } + else + { + CGColorSpaceRef colorSpace = wxMacGetGenericRGBColorSpace(); + dataProvider = wxMacCGDataProviderCreateWithMemoryBuffer( membuf ); + image = + ::CGImageCreate( + w, h, 8 , 32 , m_bytesPerRow , colorSpace, alphaInfo , + dataProvider, NULL , false , kCGRenderingIntentDefault ); + } + CGDataProviderRelease( dataProvider); + } } else { - LockPixels(GetGWorldPixMap(image)); - CopyBits(GetPortBitMapForCopyBits(image) , - &(**icon).iconBMap , &imageBounds , &imageBounds, srcCopy , nil ) ; - CopyBits(GetPortBitMapForCopyBits(image) , - &(**icon).iconMask , &imageBounds , &imageBounds, srcCopy , nil ) ; - UnlockPixels(GetGWorldPixMap(image)); + image = m_cgImageRef ; + CGImageRetain( image ) ; } - - (**icon).iconMask.baseAddr = NULL ; - (**icon).iconBMap.baseAddr = NULL ; - (**icon).iconPMap.baseAddr = NULL ; - HUnlock((Handle)icon) ; - SetGWorld(saveWorld,saveHandle); - - return icon; -} - -PicHandle wxMacCreatePict(GWorldPtr wp, GWorldPtr mask) -{ - CGrafPtr origPort ; - GDHandle origDev ; - - PicHandle pict; - - RGBColor white = { 0xffff ,0xffff , 0xffff } ; - RGBColor black = { 0x0000 ,0x0000 , 0x0000 } ; - - GetGWorld( &origPort , &origDev ) ; - - RgnHandle clipRgn = NULL ; - - if ( mask ) - { - clipRgn = NewRgn() ; - LockPixels( GetGWorldPixMap( mask ) ) ; - BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( mask ) ) ; - UnlockPixels( GetGWorldPixMap( mask ) ) ; - } - - SetGWorld( wp , NULL ) ; - Rect portRect ; - GetPortBounds( wp , &portRect ) ; - - pict = OpenPicture(&portRect); - if(pict) - { - RGBForeColor( &black ) ; - RGBBackColor( &white ) ; - - LockPixels( GetGWorldPixMap( wp ) ) ; - CopyBits(GetPortBitMapForCopyBits(wp), - GetPortBitMapForCopyBits(wp), - &portRect, - &portRect, - srcCopy,clipRgn); - UnlockPixels( GetGWorldPixMap( wp ) ) ; - ClosePicture(); - } - SetGWorld( origPort , origDev ) ; - return pict; + + if ( m_rawAccessCount == 0 && m_cgImageRef == NULL) + { + // we keep it for later use + m_cgImageRef = image ; + CGImageRetain( image ) ; + } + + return image ; } -wxBitmapRefData::wxBitmapRefData() +CGContextRef wxBitmapRefData::GetBitmapContext() 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_hIcon = NULL ; - m_bitmapType = kMacBitmapTypeUnknownType ; + return m_hBitmap; } -// TODO move this do a public function of Bitmap Ref -static void DisposeBitmapRefData(wxBitmapRefData *data) +void wxBitmapRefData::Free() { - switch (data->m_bitmapType) - { - case kMacBitmapTypePict : - { - if ( data->m_hPict ) - { - KillPicture( data->m_hPict ) ; - data->m_hPict = NULL ; - } - } - break ; - case kMacBitmapTypeGrafWorld : - { - if ( data->m_hBitmap ) - { - wxMacDestroyGWorld( data->m_hBitmap ) ; - data->m_hBitmap = NULL ; - } - } - break ; - case kMacBitmapTypeIcon : - if ( data->m_hIcon ) - { - DisposeCIcon( data->m_hIcon ) ; - data->m_hIcon = NULL ; - } - - default : - // unkown type ? - break ; - } - - if (data->m_bitmapMask) - { - delete data->m_bitmapMask; - data->m_bitmapMask = NULL; - } + wxASSERT_MSG( m_rawAccessCount == 0 , wxT("Bitmap still selected when destroyed") ) ; + + if ( m_cgImageRef ) + { + CGImageRelease( m_cgImageRef ) ; + m_cgImageRef = NULL ; + } + + if ( m_iconRef ) + { + ReleaseIconRef( m_iconRef ) ; + m_iconRef = NULL ; + } + +#ifndef __LP64__ + if ( m_pictHandle ) + { + KillPicture( m_pictHandle ) ; + m_pictHandle = NULL ; + } +#endif + + if ( m_hBitmap ) + { + CGContextRelease(m_hBitmap); + m_hBitmap = NULL ; + } + + if (m_bitmapMask) + { + delete m_bitmapMask; + m_bitmapMask = NULL; + } } wxBitmapRefData::~wxBitmapRefData() { - DisposeBitmapRefData( this ) ; + Free() ; } bool wxBitmap::CopyFromIcon(const wxIcon& icon) { - Ref(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 ) + { + unsigned char a = *sourcemask++; + *destination++ = a; + source++ ; +#if wxMAC_USE_PREMULTIPLIED_ALPHA + *destination++ = ( (*source++) * a + 127 ) / 255; + *destination++ = ( (*source++) * a + 127 ) / 255; + *destination++ = ( (*source++) * a + 127 ) / 255; +#else + *destination++ = *source++ ; + *destination++ = *source++ ; + *destination++ = *source++ ; +#endif + } + } + + 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() @@ -369,63 +883,56 @@ wxBitmap::~wxBitmap() wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits) { - m_refData = new wxBitmapRefData; + wxBitmapRefData* bitmapRefData; - 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_refData = bitmapRefData = new wxBitmapRefData( the_width , the_height , no_bits ) ; + + if (bitmapRefData->IsOk()) { - 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 ) ) ; - - // bits is a char array - - 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); - } - - RGBColor colors[2] = { - { 0xFFFF , 0xFFFF , 0xFFFF } , - { 0, 0 , 0 } - } ; - - for ( int y = 0 ; y < the_height ; ++y , linestart += linesize ) + if ( no_bits == 1 ) { - for ( int x = 0 ; x < the_width ; ++x ) + 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* destptr = (unsigned char*) BeginRawAccess() ; + + for ( int y = 0 ; y < the_height ; ++y , linestart += linesize, destptr += M_BITMAPDATA->GetBytesPerRow() ) { - int index = x / 8 ; - int bit = x % 8 ; - int mask = 1 << bit ; - if ( linestart[index] & mask ) - { - SetCPixel( x , y , &colors[1] ) ; - } - else + unsigned char* destination = destptr; + int index, bit, mask; + + for ( int x = 0 ; x < the_width ; ++x ) { - SetCPixel( x , y , &colors[0] ) ; + 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() ; } - UnlockPixels( GetGWorldPixMap( M_BITMAPDATA->m_hBitmap ) ) ; - - SetGWorld( origPort , origDevice ) ; - } - else - { - wxFAIL_MSG(wxT("multicolor BITMAPs not yet implemented")); - } + else + { + wxFAIL_MSG(wxT("multicolor BITMAPs not yet implemented")); + } + } /* bitmapRefData->IsOk() */ } wxBitmap::wxBitmap(int w, int h, int d) @@ -433,7 +940,7 @@ 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) +wxBitmap::wxBitmap(const void* data, wxBitmapType type, int width, int height, int depth) { (void) Create(data, type, width, height, depth); } @@ -443,144 +950,130 @@ wxBitmap::wxBitmap(const wxString& filename, wxBitmapType type) LoadFile(filename, type); } -bool wxBitmap::CreateFromXpm(const char **bits) +wxGDIRefData* wxBitmap::CreateGDIRefData() const { - 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; + return new wxBitmapRefData; } -wxBitmap::wxBitmap(const char **bits) +wxGDIRefData* wxBitmap::CloneGDIRefData(const wxGDIRefData* data) const { - (void) CreateFromXpm(bits); + return new wxBitmapRefData(*wx_static_cast(const wxBitmapRefData *, data)); } -wxBitmap::wxBitmap(char **bits) +void * wxBitmap::GetRawAccess() const { - (void) CreateFromXpm((const char **)bits); + 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() ; +} + +CGImageRef wxBitmap::CreateCGImage() const +{ + wxCHECK_MSG( Ok(), NULL , wxT("invalid bitmap") ) ; + + return M_BITMAPDATA->CreateCGImage() ; +} + +IconRef wxBitmap::GetIconRef() const +{ + wxCHECK_MSG( Ok(), NULL , wxT("invalid bitmap") ) ; + + return M_BITMAPDATA->GetIconRef() ; +} + +IconRef wxBitmap::CreateIconRef() const +{ + IconRef icon = GetIconRef(); + verify_noerr( AcquireIconRef(icon) ); + return icon; } wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const { - wxCHECK_MSG( Ok() && + 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") ); - - 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 = ref->m_hBitmap ; - 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)); - } - } - SetGWorld( origPort, origDevice ); - - return ret; -} + wxBitmap ret( rect.width, rect.height, GetDepth() ); + wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") ); -bool wxBitmap::Create(int w, int h, int d) -{ - UnRef(); + int destwidth = rect.width ; + int destheight = rect.height ; - m_refData = new wxBitmapRefData; + { + unsigned char *sourcedata = (unsigned char*) GetRawAccess() ; + unsigned char *destdata = (unsigned char*) ret.BeginRawAccess() ; + wxASSERT( (sourcedata != NULL) && (destdata != NULL) ) ; - M_BITMAPDATA->m_width = w; - M_BITMAPDATA->m_height = h; - M_BITMAPDATA->m_depth = d; + int sourcelinesize = GetBitmapData()->GetBytesPerRow() ; + int destlinesize = ret.GetBitmapData()->GetBytesPerRow() ; + unsigned char *source = sourcedata + rect.x * 4 + rect.y * sourcelinesize ; + unsigned char *dest = destdata ; - 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; -} + for (int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize) + { + memcpy( dest , source , destlinesize ) ; + } + } -int wxBitmap::GetBitmapType() const -{ - wxCHECK_MSG( Ok(), kMacBitmapTypeUnknownType, wxT("invalid bitmap") ); + ret.EndRawAccess() ; + + if ( M_BITMAPDATA->m_bitmapMask ) + { + wxMemoryBuffer maskbuf ; + int rowBytes = GetBestBytesPerRow( destwidth * kMaskBytesPerPixel ); + 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 * kMaskBytesPerPixel + 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 M_BITMAPDATA->m_bitmapType; + return ret; } -void wxBitmap::SetHBITMAP(WXHBITMAP bmp) +bool wxBitmap::Create(int w, int h, int d) { - DisposeBitmapRefData( M_BITMAPDATA ) ; - - M_BITMAPDATA->m_bitmapType = kMacBitmapTypeGrafWorld ; - M_BITMAPDATA->m_hBitmap = bmp ; - M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_hBitmap != NULL ) ; + UnRef(); + + if ( d < 0 ) + d = wxDisplayDepth() ; + + m_refData = new wxBitmapRefData( w , h , d ); + + return M_BITMAPDATA->IsOk() ; } bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type) @@ -591,23 +1084,29 @@ bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type) if ( handler ) { - m_refData = new wxBitmapRefData; + m_refData = new wxBitmapRefData; return handler->LoadFile(this, filename, type, -1, -1); } else { +#if wxUSE_IMAGE wxImage loadimage(filename, type); - if (loadimage.Ok()) { + if (loadimage.Ok()) + { *this = loadimage; + return true; } +#endif } - wxLogWarning("no bitmap handler for type %d defined.", type); + + wxLogWarning(wxT("no bitmap handler for type %d defined."), type); + return false; } -bool wxBitmap::Create(void *data, wxBitmapType type, int width, int height, int depth) +bool wxBitmap::Create(const void* data, wxBitmapType type, int width, int height, int depth) { UnRef(); @@ -615,97 +1114,94 @@ bool wxBitmap::Create(void *data, wxBitmapType type, int width, int height, int wxBitmapHandler *handler = FindHandler(type); - if ( handler == NULL ) { - wxLogWarning("no bitmap handler for type %d defined.", type); + if ( handler == NULL ) + { + wxLogWarning(wxT("no bitmap handler for type %d defined."), type); - return FALSE; + return false; } return handler->Create(this, data, type, width, height, depth); } +#if wxUSE_IMAGE + wxBitmap::wxBitmap(const wxImage& image, int depth) { - wxCHECK_RET( image.Ok(), wxT("invalid image") ) - wxCHECK_RET( depth == -1, wxT("invalid bitmap depth") ) + wxCHECK_RET( image.Ok(), wxT("invalid image") ); - m_refData = new wxBitmapRefData(); - // width and height of the device-dependent bitmap int width = image.GetWidth(); int height = image.GetHeight(); - // Create picture - - Create( width , height , 32 ) ; + wxBitmapRefData* bitmapRefData; - CGrafPtr origPort ; - GDHandle origDevice ; + m_refData = bitmapRefData = new wxBitmapRefData( width , height , depth ) ; - PixMapHandle pixMap = GetGWorldPixMap(GetHBITMAP()) ; - LockPixels( pixMap ); + if ( bitmapRefData->IsOk()) + { + // Create picture - GetGWorld( &origPort , &origDevice ) ; - SetGWorld( GetHBITMAP() , NULL ) ; - - // Render image - RGBColor colorRGB ; + bool hasAlpha = false ; - register unsigned char* data = image.GetData(); - char* destinationBase = GetPixBaseAddr( pixMap ); - register unsigned char* destination = (unsigned char*) destinationBase ; - for (int y = 0; y < height; y++) - { - for (int x = 0; x < width; x++) + if ( image.HasMask() ) { - *destination++ = 0 ; - *destination++ = *data++ ; - *destination++ = *data++ ; - *destination++ = *data++ ; + // takes precedence, don't mix with alpha info } - destinationBase += ((**pixMap).rowBytes & 0x7fff); - destination = (unsigned char*) destinationBase ; - } - if ( image.HasMask() ) - { - data = image.GetData(); - - wxColour maskcolor(image.GetMaskRed(), image.GetMaskGreen(), image.GetMaskBlue()); - RGBColor white = { 0xffff, 0xffff, 0xffff }; - RGBColor black = { 0 , 0 , 0 }; - wxBitmap maskBitmap ; - - maskBitmap.Create( width, height, 1); - LockPixels( GetGWorldPixMap(maskBitmap.GetHBITMAP()) ); - SetGWorld(maskBitmap.GetHBITMAP(), NULL); - - for (int y = 0; y < height; y++) - { - for (int x = 0; x < width; x++) - { - if ( data[0] == image.GetMaskRed() && data[1] == image.GetMaskGreen() && data[2] == image.GetMaskBlue() ) - { - SetCPixel(x,y, &white); - } - else { - SetCPixel(x,y, &black); - } - data += 3 ; - } - } // for height - SetGWorld(GetHBITMAP(), NULL); - SetMask(new wxMask( maskBitmap )); - UnlockPixels( GetGWorldPixMap(maskBitmap.GetHBITMAP()) ); - } - - UnlockPixels( GetGWorldPixMap(GetHBITMAP()) ); - SetGWorld( origPort, origDevice ); + else + { + hasAlpha = image.HasAlpha() ; + } + + if ( hasAlpha ) + UseAlpha() ; + + unsigned char* destinationstart = (unsigned char*) BeginRawAccess() ; + register unsigned char* data = image.GetData(); + if ( destinationstart != NULL && data != NULL ) + { + const unsigned char *alpha = hasAlpha ? image.GetAlpha() : NULL ; + for (int y = 0; y < height; destinationstart += M_BITMAPDATA->GetBytesPerRow(), y++) + { + unsigned char * destination = destinationstart; + for (int x = 0; x < width; x++) + { + if ( hasAlpha ) + { + const unsigned char a = *alpha++; + *destination++ = a ; + + #if wxMAC_USE_PREMULTIPLIED_ALPHA + *destination++ = ((*data++) * a + 127) / 255 ; + *destination++ = ((*data++) * a + 127) / 255 ; + *destination++ = ((*data++) * a + 127) / 255 ; + #else + *destination++ = *data++ ; + *destination++ = *data++ ; + *destination++ = *data++ ; + #endif + } + else + { + *destination++ = 0xFF ; + *destination++ = *data++ ; + *destination++ = *data++ ; + *destination++ = *data++ ; + } + } + } + + EndRawAccess() ; + } + if ( image.HasMask() ) + SetMask( new wxMask( *this , wxColour( image.GetMaskRed() , image.GetMaskGreen() , image.GetMaskBlue() ) ) ) ; + } /* bitmapRefData->IsOk() */ } wxImage wxBitmap::ConvertToImage() const { wxImage image; - + wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") ); // create an wxImage object @@ -714,112 +1210,147 @@ wxImage wxBitmap::ConvertToImage() const image.Create( width, height ); unsigned char *data = image.GetData(); - wxCHECK_MSG( data, wxNullImage, wxT("Could not allocate data for image") ); - WXHBITMAP origPort; - GDHandle origDevice; - int index; - RGBColor color; - // background color set to RGB(16,16,16) in consistent with wxGTK - unsigned char mask_r=16, mask_g=16, mask_b=16; - SInt16 r,g,b; - wxMask *mask = GetMask(); - - GetGWorld( &origPort, &origDevice ); - LockPixels(GetGWorldPixMap(GetHBITMAP())); - SetGWorld( GetHBITMAP(), NULL); - - // Copy data into image - index = 0; - for (int yy = 0; yy < height; yy++) + unsigned char* sourcestart = (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++ , sourcestart += M_BITMAPDATA->GetBytesPerRow() , mask += maskBytesPerRow ) { + unsigned char * maskp = mask ; + unsigned char * source = sourcestart; + unsigned char a, r, g, b; + long color; + for (int xx = 0; xx < width; xx++) { - GetCPixel(xx,yy, &color); - r = ((color.red ) >> 8); - g = ((color.green ) >> 8); - b = ((color.blue ) >> 8); - data[index ] = r; - data[index + 1] = g; - data[index + 2] = b; - if (mask) + 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 (mask->PointMasked(xx,yy)) + if ( *maskp++ == 0xFF ) { - data[index ] = mask_r; - data[index + 1] = mask_g; - data[index + 2] = mask_b; + r = MASK_RED ; + g = MASK_GREEN ; + b = MASK_BLUE ; } + else if ( r == MASK_RED && g == MASK_GREEN && b == MASK_BLUE ) + b = MASK_BLUE_REPLACEMENT ; } + else if ( hasAlpha ) + { + *alpha++ = a ; +#if wxMAC_USE_PREMULTIPLIED_ALPHA + // this must be non-premultiplied data + if ( a != 0xFF && a!= 0 ) + { + r = r * 255 / a; + g = g * 255 / a; + b = b * 255 / a; + } +#endif + } + + data[index ] = r ; + data[index + 1] = g ; + data[index + 2] = b ; + index += 3; + source += 4 ; } } - if (mask) - { - image.SetMaskColour( mask_r, mask_g, mask_b ); - image.SetMask( true ); - } - // Free resources - UnlockPixels(GetGWorldPixMap(GetHBITMAP())); - SetGWorld(origPort, origDevice); + if ( hasMask ) + image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE ); return image; } +#endif //wxUSE_IMAGE -bool wxBitmap::SaveFile(const wxString& filename, wxBitmapType type, - const wxPalette *palette) const +bool wxBitmap::SaveFile( const wxString& filename, + wxBitmapType type, const wxPalette *palette ) const { + bool success = false; wxBitmapHandler *handler = FindHandler(type); if ( handler ) { - return handler->SaveFile(this, filename, type, palette); + success = handler->SaveFile(this, filename, type, palette); } else { +#if wxUSE_IMAGE wxImage image = ConvertToImage(); - - return image.SaveFile(filename, type); + success = image.SaveFile(filename, type); +#else + wxLogWarning(wxT("no bitmap handler for type %d defined."), type); +#endif } - - wxLogWarning("no bitmap handler for type %d defined.", type); - return false; -} -bool wxBitmap::Ok() const -{ - return (M_BITMAPDATA && M_BITMAPDATA->m_ok); + return success; } 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; -} - -int wxBitmap::GetQuality() const -{ - wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); - - return M_BITMAPDATA->m_quality; + return M_BITMAPDATA->GetDepth(); } wxMask *wxBitmap::GetMask() const @@ -829,46 +1360,38 @@ 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()") ); @@ -878,355 +1401,313 @@ 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. - if (M_BITMAPDATA->m_bitmapMask) - delete M_BITMAPDATA->m_bitmapMask; + 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") ); + wxUnusedVar(mask); - return M_BITMAPDATA->m_hBitmap; + return WXHBITMAP(M_BITMAPDATA->GetBitmapContext()); } -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; - } - - 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(); - - SetGWorld( GetHBITMAP() , NULL ) ; - - picture = OpenPicture(&portRect); // open a picture, this disables drawing - if(!picture) { - return NULL; - } - - if( mask ) - { -#ifdef __DARWIN__ - 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 -} - -/* - * wxMask - */ +// ---------------------------------------------------------------------------- +// wxMask +// ---------------------------------------------------------------------------- wxMask::wxMask() { - m_maskBitmap = 0; + Init() ; +} + +wxMask::wxMask(const wxMask &tocopy) +{ + Init(); + + m_bytesPerRow = tocopy.m_bytesPerRow; + m_width = tocopy.m_width; + m_height = tocopy.m_height; + + 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(); + memcpy( dest, source, size ); + m_memBuf.UngetWriteBuf( size ) ; + RealizeNative() ; } // Construct a mask from a bitmap and a colour indicating // the transparent area -wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour) +wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour ) { - m_maskBitmap = 0; - Create(bitmap, colour); + Init() ; + Create( bitmap, colour ); } -// Construct a mask from a bitmap and a palette index indicating -// the transparent area -wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex) +// Construct a mask from a mono bitmap (copies the bitmap). +wxMask::wxMask( const wxBitmap& bitmap ) { - m_maskBitmap = 0; - Create(bitmap, paletteIndex); + Init() ; + Create( bitmap ); } // Construct a mask from a mono bitmap (copies the bitmap). -wxMask::wxMask(const wxBitmap& bitmap) + +wxMask::wxMask( const wxMemoryBuffer& data, int width , int height , int bytesPerRow ) { - m_maskBitmap = 0; - Create(bitmap); + Init() ; + Create( data, width , height , bytesPerRow ); } wxMask::~wxMask() { - if ( m_maskBitmap ) - { - wxMacDestroyGWorld( m_maskBitmap ) ; - m_maskBitmap = NULL ; - } + if ( m_maskBitmap ) + { + CGContextRelease( (CGContextRef) m_maskBitmap ); + m_maskBitmap = NULL ; + } } -// Create a mask from a mono bitmap (copies the bitmap). -bool wxMask::Create(const wxBitmap& bitmap) +void wxMask::Init() { - 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 + m_width = m_height = m_bytesPerRow = 0 ; + m_maskBitmap = NULL ; +} - wxCHECK_MSG( bitmap.Ok(), false, wxT("Invalid bitmap")); +void *wxMask::GetRawAccess() const +{ + return m_memBuf.GetData() ; +} - wxCHECK_MSG(bitmap.GetDepth() == 1, false, - wxT("Cannot create mask from colour bitmap")); +// 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 - m_maskBitmap = wxMacCreateGWorld(bitmap.GetWidth(), bitmap.GetHeight(), 1); - Rect rect = { 0,0, bitmap.GetHeight(), bitmap.GetWidth() }; +void wxMask::RealizeNative() +{ + if ( m_maskBitmap ) + { + CGContextRelease( (CGContextRef) m_maskBitmap ); + m_maskBitmap = NULL ; + } - 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()) ); + CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceGray(); + // from MouseTracking sample : + // Ironically, due to a bug in CGImageCreateWithMask, you cannot use + // CGColorSpaceCreateWithName(kCGColorSpaceGenericGray) at this point! - return FALSE; + m_maskBitmap = CGBitmapContextCreate((char*) m_memBuf.GetData(), m_width, m_height, 8, m_bytesPerRow, colorspace, + kCGImageAlphaNone ); + CGColorSpaceRelease( colorspace ); + wxASSERT_MSG( m_maskBitmap , wxT("Unable to create CGBitmapContext context") ) ; } -// Create a mask from a bitmap and a palette index indicating -// the transparent area -bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex) +// Create a mask from a mono bitmap (copies the bitmap). + +bool wxMask::Create(const wxMemoryBuffer& data,int width , int height , int bytesPerRow) { -// TODO - wxCHECK_MSG( 0, false, wxT("Not implemented")); - return FALSE; + 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 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 = GetBestBytesPerRow( m_width * kMaskBytesPerPixel ) ; + + 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) - { - SetCPixel( w , h , &colors[0] ) ; - } + 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 ; else - { - SetCPixel( w , h , &colors[1] ) ; - } + *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 = GetBestBytesPerRow( m_width * kMaskBytesPerPixel ) ; - 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 * srcdatabase = (unsigned char*) bitmap.GetRawAccess() ; + size_t sourceBytesRow = bitmap.GetBitmapData()->GetBytesPerRow(); - SetGWorld( origPort, origDevice); + for ( int y = 0 ; y < m_height ; ++y , srcdatabase+= sourceBytesRow, destdatabase += m_bytesPerRow) + { + unsigned char *srcdata = srcdatabase ; + 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 ; + else + *destdata++ = 0x00 ; + } + } -bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth) -{ - return FALSE; -} + m_memBuf.UngetWriteBuf( size ) ; + RealizeNative() ; -bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags, - int desiredWidth, int desiredHeight) -{ - return FALSE; + return true; } -bool wxBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette) +WXHBITMAP wxMask::GetHBITMAP() const { - return FALSE; + return m_maskBitmap ; } -/* - * Standard handlers - */ +// ---------------------------------------------------------------------------- +// wxBitmapHandler +// ---------------------------------------------------------------------------- + +IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxBitmapHandlerBase) + +// ---------------------------------------------------------------------------- +// Standard Handlers +// ---------------------------------------------------------------------------- + +#ifndef __LP64__ 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, - int desiredWidth, int desiredHeight) + +bool wxPICTResourceHandler::LoadFile(wxBitmap *bitmap, + const wxString& name, + long WXUNUSED(flags), + int WXUNUSED(desiredWidth), + int WXUNUSED(desiredHeight)) { - Str255 theName ; - -#if TARGET_CARBON - c2pstrcpy( (StringPtr) theName , name ) ; -#else - strcpy( (char *) theName , name ) ; - c2pstr( (char *)theName ) ; +#if wxUSE_METAFILE + Str255 theName ; + wxMacStringToPascal( name , theName ) ; + + PicHandle thePict = (PicHandle ) GetNamedResource( 'PICT' , theName ) ; + if ( thePict ) + { + wxMetafile mf ; + + mf.SetPICT( thePict ) ; + bitmap->Create( mf.GetWidth() , mf.GetHeight() ) ; + wxMemoryDC dc ; + dc.SelectObject( *bitmap ) ; + mf.Play( &dc ) ; + dc.SelectObject( wxNullBitmap ) ; + + return true ; + } #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 ; + + return false ; } +#endif void wxBitmap::InitStandardHandlers() { - AddHandler(new wxPICTResourceHandler) ; - AddHandler(new wxICONResourceHandler) ; +#ifndef __LP64__ + AddHandler( new wxPICTResourceHandler ) ; +#endif + AddHandler( new wxICONResourceHandler ) ; +} + +// ---------------------------------------------------------------------------- +// raw bitmap access support +// ---------------------------------------------------------------------------- + +void *wxBitmap::GetRawData(wxPixelDataBase& data, int WXUNUSED(bpp)) +{ + if ( !Ok() ) + // no bitmap, no data (raw or otherwise) + return NULL; + + data.m_width = GetWidth() ; + data.m_height = GetHeight() ; + data.m_stride = GetBitmapData()->GetBytesPerRow() ; + + return BeginRawAccess() ; +} + +void wxBitmap::UngetRawData(wxPixelDataBase& WXUNUSED(dataBase)) +{ + EndRawAccess() ; +} + +void wxBitmap::UseAlpha() +{ + // remember that we are using alpha channel: + // we'll need to create a proper mask in UngetRawData() + M_BITMAPDATA->UseAlpha( true ); }