-/////////////////////////////////////////////////////////////////////////////
-// Name: src/mac/carbon/bitmap.cpp
-// Purpose: wxBitmap
-// Author: Stefan Csomor
-// Modified by:
-// Created: 1998-01-01
-// RCS-ID: $Id$
-// Copyright: (c) Stefan Csomor
-// Licence: wxWindows licence
-/////////////////////////////////////////////////////////////////////////////
-
-#include "wx/wxprec.h"
-
-#include "wx/bitmap.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)
-
-#if wxOSX_USE_CARBON
-#include "wx/osx/uma.h"
-#else
-#include "wx/osx/private.h"
-#endif
-
-#ifndef __WXOSX_IPHONE__
-#include <QuickTime/QuickTime.h>
-#endif
-
-CGColorSpaceRef wxMacGetGenericRGBColorSpace();
-CGDataProviderRef wxMacCGDataProviderCreateWithMemoryBuffer( const wxMemoryBuffer& buf );
-
-// 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();
-
-#ifndef __WXOSX_IPHONE__
- // returns a Pict from the bitmap content
- PicHandle GetPictHandle();
-#endif
-
- 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;
-#ifndef __WXOSX_IPHONE__
- PicHandle m_pictHandle;
-#endif
- CGContextRef m_hBitmap;
-};
-
-
-#define wxOSX_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 && !defined(__WXOSX_IPHONE__)
-
-// 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()
-{
- m_width = 0 ;
- m_height = 0 ;
- m_depth = 0 ;
- m_bytesPerRow = 0;
- m_ok = false ;
- m_bitmapMask = NULL ;
- m_cgImageRef = NULL ;
-
-#ifndef __WXOSX_IPHONE__
- m_iconRef = NULL ;
- m_pictHandle = NULL ;
-#endif
- m_hBitmap = NULL ;
-
- 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);
- 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 );
-}
-
-wxBitmapRefData::wxBitmapRefData()
-{
- Init() ;
-}
-
-wxBitmapRefData::wxBitmapRefData( int w , int h , int d )
-{
- Init() ;
- Create( w , h , d ) ;
-}
-
-bool wxBitmapRefData::Create( int w , int h , int d )
-{
- m_width = wxMax(1, w);
- m_height = wxMax(1, h);
- m_depth = d ;
- m_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 ;
-}
-
-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 );
-}
-
-void *wxBitmapRefData::GetRawAccess() const
-{
- 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 ) ;
-#ifndef __WXOSX_IPHONE__
- wxASSERT_MSG( m_pictHandle == NULL && m_iconRef == NULL ,
- wxT("Currently, modifing bitmaps that are used in controls already is not supported") ) ;
-#endif
- ++m_rawAccessCount ;
-
- // we must destroy an existing cached image, as
- // the bitmap data may change now
- if ( m_cgImageRef )
- {
- CGImageRelease( m_cgImageRef ) ;
- m_cgImageRef = NULL ;
- }
-
- 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 );
-}
-
-#ifndef __WXOSX_IPHONE__
-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)
- {
- 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 ( dataType != 0 )
- {
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
- if ( maskType == 0 && UMAGetSystemVersion() >= 0x1050 )
- {
- 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 )
- {
- 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 wxOSX_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 )
- {
- 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
- {
- 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);
- DisposeHandle( (Handle) iconFamily ) ;
-
- wxCHECK_MSG( err == noErr, NULL, wxT("Error when constructing icon ref") );
- }
-
- return m_iconRef ;
-}
-
-PicHandle wxBitmapRefData::GetPictHandle()
-{
- 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
- }
-
- return m_pictHandle ;
-}
-#endif
-
-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 wxOSX_USE_PREMULTIPLIED_ALPHA
- alphaInfo = kCGImageAlphaPremultipliedFirst ;
-#else
- alphaInfo = kCGImageAlphaFirst ;
-#endif
- }
-
- membuf = m_memBuf;
- }
-
- 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 );
-
- dataProvider =
- wxMacCGDataProviderCreateWithMemoryBuffer( maskBuf );
-
- 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
- {
- 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 ;
-}
-
-CGContextRef wxBitmapRefData::GetBitmapContext() const
-{
- return m_hBitmap;
-}
-
-void wxBitmapRefData::Free()
-{
- wxASSERT_MSG( m_rawAccessCount == 0 , wxT("Bitmap still selected when destroyed") ) ;
-
- if ( m_cgImageRef )
- {
- CGImageRelease( m_cgImageRef ) ;
- m_cgImageRef = NULL ;
- }
-#ifndef __WXOSX_IPHONE__
- if ( m_iconRef )
- {
- ReleaseIconRef( m_iconRef ) ;
- m_iconRef = NULL ;
- }
-
-#ifndef __LP64__
- if ( m_pictHandle )
- {
- KillPicture( m_pictHandle ) ;
- m_pictHandle = NULL ;
- }
-#endif
-#endif
- if ( m_hBitmap )
- {
- CGContextRelease(m_hBitmap);
- m_hBitmap = NULL ;
- }
-
- if (m_bitmapMask)
- {
- delete m_bitmapMask;
- m_bitmapMask = NULL;
- }
-}
-
-wxBitmapRefData::~wxBitmapRefData()
-{
- Free() ;
-}
-
-bool wxBitmap::CopyFromIcon(const wxIcon& icon)
-{
- bool created = false ;
- int w = icon.GetWidth() ;
- int h = icon.GetHeight() ;
-
- Create( icon.GetWidth() , icon.GetHeight() ) ;
-#ifndef __WXOSX_IPHONE__
- 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 wxOSX_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 ) ;
- }
-#endif
- if ( !created )
- {
- wxMemoryDC dc ;
- dc.SelectObject( *this ) ;
- dc.DrawIcon( icon , 0 , 0 ) ;
- dc.SelectObject( wxNullBitmap ) ;
- }
-
- return true;
-}
-
-wxBitmap::wxBitmap()
-{
-}
-
-wxBitmap::~wxBitmap()
-{
-}
-
-wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits)
-{
- wxBitmapRefData* bitmapRefData;
-
- m_refData = bitmapRefData = new wxBitmapRefData( the_width , the_height , no_bits ) ;
-
- if (bitmapRefData->IsOk())
- {
- 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* destptr = (unsigned char*) BeginRawAccess() ;
-
- for ( int y = 0 ; y < the_height ; ++y , linestart += linesize, destptr += M_BITMAPDATA->GetBytesPerRow() )
- {
- unsigned char* destination = destptr;
- 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"));
- }
- } /* bitmapRefData->IsOk() */
-}
-
-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);
-}
-
-wxGDIRefData* wxBitmap::CreateGDIRefData() const
-{
- return new wxBitmapRefData;
-}
-
-wxGDIRefData* wxBitmap::CloneGDIRefData(const wxGDIRefData* 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() ;
-}
-
-CGImageRef wxBitmap::CreateCGImage() const
-{
- wxCHECK_MSG( Ok(), NULL , wxT("invalid bitmap") ) ;
-
- return M_BITMAPDATA->CreateCGImage() ;
-}
-
-#ifndef __WXOSX_IPHONE__
-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;
-}
-#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 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 = GetBitmapData()->GetBytesPerRow() ;
- int destlinesize = ret.GetBitmapData()->GetBytesPerRow() ;
- 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 = 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 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->IsOk() ;
-}
-
-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
- }
-
- wxLogWarning(wxT("no bitmap handler for type %d defined."), type);
-
- return false;
-}
-
-bool wxBitmap::Create(const void* data, wxBitmapType type, int width, int height, int depth)
-{
- UnRef();
-
- m_refData = new wxBitmapRefData;
-
- wxBitmapHandler *handler = FindHandler(type);
-
- if ( handler == NULL )
- {
- wxLogWarning(wxT("no bitmap handler for type %d defined."), type);
-
- 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") );
-
- // width and height of the device-dependent bitmap
- int width = image.GetWidth();
- int height = image.GetHeight();
-
- wxBitmapRefData* bitmapRefData;
-
- m_refData = bitmapRefData = new wxBitmapRefData( width , height , depth ) ;
-
- if ( bitmapRefData->IsOk())
- {
- // Create picture
-
- bool hasAlpha = false ;
-
- if ( image.HasMask() )
- {
- // takes precedence, don't mix with alpha info
- }
- 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 wxOSX_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
- int width = GetWidth();
- int height = GetHeight();
- image.Create( width, height );
-
- unsigned char *data = image.GetData();
- wxCHECK_MSG( data, wxNullImage, wxT("Could not allocate data for image") );
-
- unsigned char* 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++)
- {
- 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 ;
- }
- else if ( hasAlpha )
- {
- *alpha++ = a ;
-#if wxOSX_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 ( hasMask )
- image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );
-
- return image;
-}
-
-#endif //wxUSE_IMAGE
-
-bool wxBitmap::SaveFile( const wxString& filename,
- wxBitmapType type, const wxPalette *palette ) const
-{
- bool success = false;
- wxBitmapHandler *handler = FindHandler(type);
-
- if ( handler )
- {
- 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 success;
-}
-
-int wxBitmap::GetHeight() const
-{
- wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
-
- return M_BITMAPDATA->GetHeight();
-}
-
-int wxBitmap::GetWidth() const
-{
- wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
-
- return M_BITMAPDATA->GetWidth() ;
-}
-
-int wxBitmap::GetDepth() const
-{
- wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
-
- return M_BITMAPDATA->GetDepth();
-}
-
-wxMask *wxBitmap::GetMask() const
-{
- wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
-
- return M_BITMAPDATA->m_bitmapMask;
-}
-
-bool wxBitmap::HasAlpha() const
-{
- wxCHECK_MSG( Ok(), false , wxT("invalid bitmap") );
-
- return M_BITMAPDATA->HasAlpha() ;
-}
-
-void wxBitmap::SetWidth(int w)
-{
- AllocExclusive();
- M_BITMAPDATA->SetWidth(w);
-}
-
-void wxBitmap::SetHeight(int h)
-{
- AllocExclusive();
- M_BITMAPDATA->SetHeight(h);
-}
-
-void wxBitmap::SetDepth(int d)
-{
- AllocExclusive();
- M_BITMAPDATA->SetDepth(d);
-}
-
-void wxBitmap::SetOk(bool isOk)
-{
- AllocExclusive();
- M_BITMAPDATA->SetOk(isOk);
-}
-
-#if wxUSE_PALETTE
-wxPalette *wxBitmap::GetPalette() const
-{
- wxCHECK_MSG( Ok(), NULL, wxT("Invalid bitmap GetPalette()") );
-
- return &M_BITMAPDATA->m_bitmapPalette;
-}
-
-void wxBitmap::SetPalette(const wxPalette& palette)
-{
- AllocExclusive();
- M_BITMAPDATA->m_bitmapPalette = palette ;
-}
-#endif // wxUSE_PALETTE
-
-void wxBitmap::SetMask(wxMask *mask)
-{
- AllocExclusive();
- // Remove existing mask if there is one.
- delete M_BITMAPDATA->m_bitmapMask;
-
- M_BITMAPDATA->m_bitmapMask = mask ;
-}
-
-WXHBITMAP wxBitmap::GetHBITMAP(WXHBITMAP* mask) const
-{
- wxUnusedVar(mask);
-
- return WXHBITMAP(M_BITMAPDATA->GetBitmapContext());
-}
-
-// ----------------------------------------------------------------------------
-// wxMask
-// ----------------------------------------------------------------------------
-
-wxMask::wxMask()
-{
- 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 )
-{
- Init() ;
- Create( bitmap, colour );
-}
-
-// Construct a mask from a mono bitmap (copies the bitmap).
-wxMask::wxMask( const wxBitmap& bitmap )
-{
- Init() ;
- Create( bitmap );
-}
-
-// Construct a mask from a mono bitmap (copies the bitmap).
-
-wxMask::wxMask( const wxMemoryBuffer& data, int width , int height , int bytesPerRow )
-{
- Init() ;
- Create( data, width , height , bytesPerRow );
-}
-
-wxMask::~wxMask()
-{
- if ( m_maskBitmap )
- {
- CGContextRelease( (CGContextRef) m_maskBitmap );
- m_maskBitmap = NULL ;
- }
-}
-
-void wxMask::Init()
-{
- m_width = m_height = m_bytesPerRow = 0 ;
- m_maskBitmap = NULL ;
-}
-
-void *wxMask::GetRawAccess() const
-{
- return m_memBuf.GetData() ;
-}
-
-// 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
-
-void wxMask::RealizeNative()
-{
- if ( m_maskBitmap )
- {
- CGContextRelease( (CGContextRef) m_maskBitmap );
- m_maskBitmap = NULL ;
- }
-
- CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceGray();
- // from MouseTracking sample :
- // Ironically, due to a bug in CGImageCreateWithMask, you cannot use
- // CGColorSpaceCreateWithName(kCGColorSpaceGenericGray) at this point!
-
- 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 mono bitmap (copies the bitmap).
-
-bool wxMask::Create(const wxMemoryBuffer& data,int width , int height , int bytesPerRow)
-{
- m_memBuf = data ;
- m_width = width ;
- m_height = height ;
- m_bytesPerRow = bytesPerRow ;
-
- wxASSERT( data.GetDataLen() == (size_t)(height * bytesPerRow) ) ;
-
- RealizeNative() ;
-
- return true ;
-}
-
-// Create a mask from a mono bitmap (copies the bitmap).
-bool wxMask::Create(const wxBitmap& bitmap)
-{
- 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 )
- {
- 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
- *destdata++ = 0x00 ;
- }
- }
-
- m_memBuf.UngetWriteBuf( size ) ;
- RealizeNative() ;
-
- return true;
-}
-
-// Create a mask from a bitmap and a colour indicating
-// the transparent area
-bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
-{
- 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 * srcdatabase = (unsigned char*) bitmap.GetRawAccess() ;
- size_t sourceBytesRow = bitmap.GetBitmapData()->GetBytesPerRow();
-
- 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;
-
- for ( int x = 0 ; x < m_width ; ++x )
- {
- srcdata++ ;
- r = *srcdata++ ;
- g = *srcdata++ ;
- b = *srcdata++ ;
-
- if ( colour == wxColour( r , g , b ) )
- *destdata++ = 0xFF ;
- else
- *destdata++ = 0x00 ;
- }
- }
-
- m_memBuf.UngetWriteBuf( size ) ;
- RealizeNative() ;
-
- return true;
-}
-
-WXHBITMAP wxMask::GetHBITMAP() const
-{
- return m_maskBitmap ;
-}
-
-// ----------------------------------------------------------------------------
-// Standard Handlers
-// ----------------------------------------------------------------------------
-
-#if !defined( __LP64__ ) && !defined(__WXOSX_IPHONE__)
-
-class WXDLLEXPORT wxPICTResourceHandler: public wxBitmapHandler
-{
- DECLARE_DYNAMIC_CLASS(wxPICTResourceHandler)
-
-public:
- inline wxPICTResourceHandler()
- {
- 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 WXUNUSED(flags),
- int WXUNUSED(desiredWidth),
- int WXUNUSED(desiredHeight))
-{
-#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
-
- return false ;
-}
-#endif
-
-void wxBitmap::InitStandardHandlers()
-{
-#if !defined( __LP64__ ) && !defined(__WXOSX_IPHONE__)
- AddHandler( new wxPICTResourceHandler ) ;
-#endif
-#if wxOSX_USE_COCOA_OR_CARBON
- AddHandler( new wxICONResourceHandler ) ;
-#endif
-}
-
-// ----------------------------------------------------------------------------
-// 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 );
-}
projects / wxWidgets.git / commitdiff
