/////////////////////////////////////////////////////////////////////////////
-// Name: bitmap.cpp
+// Name: src/mac/carbon/bitmap.cpp
// Purpose: wxBitmap
-// Author: AUTHOR
+// Author: Stefan Csomor
// Modified by:
-// Created: ??/??/98
+// Created: 1998-01-01
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
+// Copyright: (c) Stefan Csomor
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "bitmap.h"
-#endif
+#include "wx/wxprec.h"
-#include "wx/setup.h"
-#include "wx/utils.h"
-#include "wx/palette.h"
#include "wx/bitmap.h"
-#include "wx/icon.h"
-#include "wx/log.h"
-#if !USE_SHARED_LIBRARIES
+#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)
+
+#include <ApplicationServices/ApplicationServices.h>
+#include <QuickTime/QuickTime.h>
+
+#include "wx/mac/uma.h"
+
+// Implementation Notes
+// --------------------
+//
+// we are always working with a 32 bit deep pixel buffer
+// under QuickDraw its alpha parts are going to be ignored in the GWorld,
+// therefore we have a separate GWorld there for blitting the mask in
+
+// under Quartz then content is transformed into a CGImageRef representing the same data
+// which can be transferred to the GPU by the OS for fast rendering
+
+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();
+
+ void Free();
+ bool Ok() const { return IsOk(); }
+ bool IsOk() const { return m_ok; }
+ 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()
+{
+ 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;
+}
+
+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()
{
- m_ok = FALSE;
- m_width = 0;
- m_height = 0;
- m_depth = 0;
- m_quality = 0;
- m_numColors = 0;
- m_bitmapMask = NULL;
+ Init() ;
}
-wxBitmapRefData::~wxBitmapRefData()
+wxBitmapRefData::wxBitmapRefData( int w , int h , int d )
+{
+ Init() ;
+ Create( w , h , d ) ;
+}
+
+bool wxBitmapRefData::Create( int w , int h , int d )
+{
+ m_width = wxMax(1, w);
+ m_height = wxMax(1, h);
+ m_depth = d ;
+
+ m_bytesPerRow = GetBestBytesPerRow( w * 4 ) ;
+ size_t size = m_bytesPerRow * h ;
+ void* data = m_memBuf.GetWriteBuf( size ) ;
+ memset( data , 0 , size ) ;
+ m_memBuf.UngetWriteBuf( size ) ;
+
+ m_hBitmap = NULL ;
+ 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 );
+
+ 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( Ok(), NULL , wxT("invalid bitmap") ) ;
+ return m_memBuf.GetData() ;
+}
+
+void *wxBitmapRefData::BeginRawAccess()
+{
+ wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") ) ;
+ wxASSERT( m_rawAccessCount == 0 ) ;
+ wxASSERT_MSG( m_pictHandle == NULL && m_iconRef == NULL ,
+ wxT("Currently, modifing bitmaps that are used in controls already is not supported") ) ;
+
+ ++m_rawAccessCount ;
+
+ // 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( Ok() , 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)
+ {
+ 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 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 )
+ {
+ 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);
+ wxASSERT_MSG( err == noErr , wxT("Error when constructing icon ref") );
+ DisposeHandle( (Handle) iconFamily ) ;
+ }
+
+ 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 ;
+}
+
+CGImageRef wxBitmapRefData::CreateCGImage() const
{
- /*
- * TODO: delete the bitmap data here.
- */
+ 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
+ }
+
+ 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 ;
+ }
+
+ 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;
+ m_bitmapMask = NULL;
+ }
}
-wxList wxBitmap::sm_handlers;
+wxBitmapRefData::~wxBitmapRefData()
+{
+ Free() ;
+}
-wxBitmap::wxBitmap()
+bool wxBitmap::CopyFromIcon(const wxIcon& icon)
{
- m_refData = NULL;
+ bool created = false ;
+ int w = icon.GetWidth() ;
+ int h = icon.GetHeight() ;
- if ( wxTheBitmapList )
- wxTheBitmapList->AddBitmap(this);
+ 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()
+{
}
wxBitmap::~wxBitmap()
{
- if (wxTheBitmapList)
- wxTheBitmapList->DeleteObject(this);
}
wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits)
{
- m_refData = new wxBitmapRefData;
+ m_refData = new wxBitmapRefData( the_width , the_height , no_bits ) ;
- M_BITMAPDATA->m_width = the_width ;
- M_BITMAPDATA->m_height = the_height ;
- M_BITMAPDATA->m_depth = no_bits ;
- M_BITMAPDATA->m_numColors = 0;
-
- /* TODO: create the bitmap from data */
-
- if ( wxTheBitmapList )
- wxTheBitmapList->AddBitmap(this);
+ 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"));
+ }
}
wxBitmap::wxBitmap(int w, int h, int d)
{
(void)Create(w, h, d);
-
- if ( wxTheBitmapList )
- wxTheBitmapList->AddBitmap(this);
}
-wxBitmap::wxBitmap(void *data, long 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);
+}
- if ( wxTheBitmapList )
- wxTheBitmapList->AddBitmap(this);
+wxBitmap::wxBitmap(const wxString& filename, wxBitmapType type)
+{
+ LoadFile(filename, type);
}
-wxBitmap::wxBitmap(const wxString& filename, long type)
+wxObjectRefData* wxBitmap::CreateRefData() const
{
- LoadFile(filename, (int)type);
+ return new wxBitmapRefData;
+}
- if ( wxTheBitmapList )
- wxTheBitmapList->AddBitmap(this);
+wxObjectRefData* wxBitmap::CloneRefData(const wxObjectRefData* data) const
+{
+ return new wxBitmapRefData(*wx_static_cast(const wxBitmapRefData *, data));
}
-/* TODO: maybe allow creation from XPM
-// Create from data
-wxBitmap::wxBitmap(const char **data)
+void * wxBitmap::GetRawAccess() const
{
- (void) Create((void *)data, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0);
+ wxCHECK_MSG( Ok() , NULL , wxT("invalid bitmap") ) ;
+
+ return M_BITMAPDATA->GetRawAccess() ;
}
-*/
-bool wxBitmap::Create(int w, int h, int d)
+void * wxBitmap::BeginRawAccess()
{
- UnRef();
+ wxCHECK_MSG( Ok() , NULL , wxT("invalid bitmap") ) ;
- m_refData = new wxBitmapRefData;
+ return M_BITMAPDATA->BeginRawAccess() ;
+}
- M_BITMAPDATA->m_width = w;
- M_BITMAPDATA->m_height = h;
- M_BITMAPDATA->m_depth = d;
+void wxBitmap::EndRawAccess()
+{
+ wxCHECK_RET( Ok() , wxT("invalid bitmap") ) ;
- /* TODO: create new bitmap */
+ M_BITMAPDATA->EndRawAccess() ;
+}
- return M_BITMAPDATA->m_ok;
+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() ;
}
-bool wxBitmap::LoadFile(const wxString& filename, long type)
+IconRef wxBitmap::CreateIconRef() const
+{
+ IconRef icon = GetIconRef();
+ verify_noerr( AcquireIconRef(icon) );
+ return icon;
+}
+
+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();
- m_refData = new wxBitmapRefData;
+ if ( d < 0 )
+ d = wxDisplayDepth() ;
+
+ m_refData = new wxBitmapRefData( w , h , d );
+
+ return M_BITMAPDATA->Ok() ;
+}
+
+bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type)
+{
+ UnRef();
wxBitmapHandler *handler = FindHandler(type);
- if ( handler == NULL ) {
- wxLogWarning("no bitmap handler for type %d defined.", type);
+ if ( handler )
+ {
+ m_refData = new wxBitmapRefData;
- return FALSE;
+ return handler->LoadFile(this, filename, type, -1, -1);
+ }
+ else
+ {
+#if wxUSE_IMAGE
+ wxImage loadimage(filename, type);
+ if (loadimage.Ok())
+ {
+ *this = loadimage;
+
+ return true;
+ }
+#endif
}
- return handler->LoadFile(this, filename, type, -1, -1);
+ wxLogWarning(wxT("no bitmap handler for type %d defined."), type);
+
+ return false;
}
-bool wxBitmap::Create(void *data, long type, int width, int height, int depth)
+bool wxBitmap::Create(const void* data, wxBitmapType type, int width, int height, int depth)
{
UnRef();
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);
}
-bool wxBitmap::SaveFile(const wxString& filename, int type, const wxPalette *palette)
+#if wxUSE_IMAGE
+
+wxBitmap::wxBitmap(const wxImage& image, int depth)
{
- wxBitmapHandler *handler = FindHandler(type);
+ wxCHECK_RET( image.Ok(), wxT("invalid image") );
+
+ // width and height of the device-dependent bitmap
+ int width = image.GetWidth();
+ int height = image.GetHeight();
+
+ m_refData = new wxBitmapRefData( width , height , depth ) ;
+
+ // 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 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() ) ) ) ;
+}
+
+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") );
- if ( handler == NULL ) {
- wxLogWarning("no bitmap handler for type %d defined.", type);
+ unsigned char* sourcestart = (unsigned char*) GetRawAccess() ;
- return FALSE;
- }
+ bool hasAlpha = false ;
+ bool hasMask = false ;
+ int maskBytesPerRow = 0 ;
+ unsigned char *alpha = NULL ;
+ unsigned char *mask = NULL ;
- return handler->SaveFile(this, filename, type, palette);
+ 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 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 ( hasMask )
+ image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );
+
+ return image;
}
-void wxBitmap::SetWidth(int w)
+#endif //wxUSE_IMAGE
+
+bool wxBitmap::SaveFile( const wxString& filename,
+ wxBitmapType type, const wxPalette *palette ) const
{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
+ 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
+ }
- M_BITMAPDATA->m_width = w;
+ return success;
}
-void wxBitmap::SetHeight(int h)
+bool wxBitmap::IsOk() const
{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
+ return (M_BITMAPDATA && M_BITMAPDATA->Ok());
+}
- M_BITMAPDATA->m_height = h;
+int wxBitmap::GetHeight() const
+{
+ wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+
+ return M_BITMAPDATA->GetHeight();
}
-void wxBitmap::SetDepth(int d)
+int wxBitmap::GetWidth() const
{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
+ wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
- M_BITMAPDATA->m_depth = d;
+ return M_BITMAPDATA->GetWidth() ;
}
-void wxBitmap::SetQuality(int q)
+int wxBitmap::GetDepth() const
{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
+ wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
- M_BITMAPDATA->m_quality = q;
+ return M_BITMAPDATA->GetDepth();
}
-void wxBitmap::SetOk(bool isOk)
+wxMask *wxBitmap::GetMask() const
{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
+ wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
- M_BITMAPDATA->m_ok = isOk;
+ return M_BITMAPDATA->m_bitmapMask;
}
-void wxBitmap::SetPalette(const wxPalette& palette)
+bool wxBitmap::HasAlpha() const
{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
+ wxCHECK_MSG( Ok(), false , wxT("invalid bitmap") );
- M_BITMAPDATA->m_bitmapPalette = palette ;
+ return M_BITMAPDATA->HasAlpha() ;
}
-void wxBitmap::SetMask(wxMask *mask)
+void wxBitmap::SetWidth(int w)
{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
+ AllocExclusive();
+ M_BITMAPDATA->SetWidth(w);
+}
- M_BITMAPDATA->m_bitmapMask = mask ;
+void wxBitmap::SetHeight(int h)
+{
+ AllocExclusive();
+ M_BITMAPDATA->SetHeight(h);
}
-void wxBitmap::AddHandler(wxBitmapHandler *handler)
+void wxBitmap::SetDepth(int d)
{
- sm_handlers.Append(handler);
+ AllocExclusive();
+ M_BITMAPDATA->SetDepth(d);
}
-void wxBitmap::InsertHandler(wxBitmapHandler *handler)
+void wxBitmap::SetOk(bool isOk)
{
- sm_handlers.Insert(handler);
+ AllocExclusive();
+ M_BITMAPDATA->SetOk(isOk);
}
-bool wxBitmap::RemoveHandler(const wxString& name)
+#if wxUSE_PALETTE
+wxPalette *wxBitmap::GetPalette() const
{
- wxBitmapHandler *handler = FindHandler(name);
- if ( handler )
- {
- sm_handlers.DeleteObject(handler);
- return TRUE;
- }
- else
- return FALSE;
+ wxCHECK_MSG( Ok(), NULL, wxT("Invalid bitmap GetPalette()") );
+
+ return &M_BITMAPDATA->m_bitmapPalette;
}
-wxBitmapHandler *wxBitmap::FindHandler(const wxString& name)
+void wxBitmap::SetPalette(const wxPalette& palette)
{
- wxNode *node = sm_handlers.First();
- while ( node )
- {
- wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
- if ( handler->GetName() == name )
- return handler;
- node = node->Next();
- }
- return NULL;
+ AllocExclusive();
+ M_BITMAPDATA->m_bitmapPalette = palette ;
}
+#endif // wxUSE_PALETTE
-wxBitmapHandler *wxBitmap::FindHandler(const wxString& extension, long bitmapType)
+void wxBitmap::SetMask(wxMask *mask)
{
- wxNode *node = sm_handlers.First();
- while ( node )
- {
- wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
- if ( handler->GetExtension() == extension &&
- (bitmapType == -1 || handler->GetType() == bitmapType) )
- return handler;
- node = node->Next();
- }
- return NULL;
+ AllocExclusive();
+ // Remove existing mask if there is one.
+ delete M_BITMAPDATA->m_bitmapMask;
+
+ M_BITMAPDATA->m_bitmapMask = mask ;
}
-wxBitmapHandler *wxBitmap::FindHandler(long bitmapType)
+WXHBITMAP wxBitmap::GetHBITMAP(WXHBITMAP* mask) const
{
- wxNode *node = sm_handlers.First();
- while ( node )
- {
- wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
- if (handler->GetType() == bitmapType)
- return handler;
- node = node->Next();
- }
- return NULL;
+ wxUnusedVar(mask);
+
+ return WXHBITMAP(M_BITMAPDATA->GetBitmapContext());
}
-/*
- * wxMask
- */
+// ----------------------------------------------------------------------------
+// wxMask
+// ----------------------------------------------------------------------------
wxMask::wxMask()
{
-/* TODO
- m_maskBitmap = 0;
-*/
+ Init() ;
}
-// Construct a mask from a bitmap and a colour indicating
-// the transparent area
-wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour)
+wxMask::wxMask(const wxMask &tocopy)
{
-/* TODO
- m_maskBitmap = 0;
-*/
- Create(bitmap, colour);
+ 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 palette index indicating
+// Construct a mask from a bitmap and a colour indicating
// the transparent area
-wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex)
+wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
{
-/* TODO
- m_maskBitmap = 0;
-*/
-
- Create(bitmap, paletteIndex);
+ Init() ;
+ Create( bitmap, colour );
}
// Construct a mask from a mono bitmap (copies the bitmap).
-wxMask::wxMask(const wxBitmap& bitmap)
+wxMask::wxMask( const wxBitmap& bitmap )
{
-/* TODO
- m_maskBitmap = 0;
-*/
+ Init() ;
+ Create( bitmap );
+}
+
+// Construct a mask from a mono bitmap (copies the bitmap).
- Create(bitmap);
+wxMask::wxMask( const wxMemoryBuffer& data, int width , int height , int bytesPerRow )
+{
+ Init() ;
+ Create( data, width , height , bytesPerRow );
}
wxMask::~wxMask()
{
-// TODO: delete mask bitmap
+ 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()
{
-// TODO
- return FALSE;
+ m_width = m_height = m_bytesPerRow = 0 ;
+ m_maskBitmap = NULL ;
}
-// Create a mask from a bitmap and a palette index indicating
-// the transparent area
-bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex)
+void *wxMask::GetRawAccess() const
{
-// TODO
- return FALSE;
+ return m_memBuf.GetData() ;
}
-// Create a mask from a bitmap and a colour indicating
-// the transparent area
-bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
+// 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()
{
-// TODO
- return FALSE;
+ 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") ) ;
}
-/*
- * wxBitmapHandler
- */
+// 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) ) ;
-IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject)
+ RealizeNative() ;
-bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth)
+ return true ;
+}
+
+// Create a mask from a mono bitmap (copies the bitmap).
+bool wxMask::Create(const wxBitmap& bitmap)
{
- return FALSE;
+ 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;
}
-bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long type,
- int desiredWidth, int desiredHeight)
+// Create a mask from a bitmap and a colour indicating
+// the transparent area
+bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
{
- return FALSE;
+ 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;
}
-bool wxBitmapHandler::SaveFile(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
+// ----------------------------------------------------------------------------
-/* TODO: bitmap handlers, a bit like this:
-class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler
+#ifndef __LP64__
+
+class WXDLLEXPORT wxPICTResourceHandler: public wxBitmapHandler
{
- DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler)
+ DECLARE_DYNAMIC_CLASS(wxPICTResourceHandler)
+
public:
- inline wxBMPResourceHandler()
+ inline wxPICTResourceHandler()
{
- m_name = "Windows bitmap resource";
- m_extension = "";
- m_type = wxBITMAP_TYPE_BMP_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(wxBMPResourceHandler, wxBitmapHandler)
-*/
-void wxBitmap::CleanUpHandlers()
+IMPLEMENT_DYNAMIC_CLASS(wxPICTResourceHandler, wxBitmapHandler)
+
+
+bool wxPICTResourceHandler::LoadFile(wxBitmap *bitmap,
+ const wxString& name,
+ long WXUNUSED(flags),
+ int WXUNUSED(desiredWidth),
+ int WXUNUSED(desiredHeight))
{
- wxNode *node = sm_handlers.First();
- while ( node )
+#if wxUSE_METAFILE
+ Str255 theName ;
+ wxMacStringToPascal( name , theName ) ;
+
+ PicHandle thePict = (PicHandle ) GetNamedResource( 'PICT' , theName ) ;
+ if ( thePict )
{
- wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
- wxNode *next = node->Next();
- delete handler;
- delete node;
- node = next;
+ 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()
{
-/* TODO: initialize all standard bitmap or derive class handlers here.
- AddHandler(new wxBMPResourceHandler);
- AddHandler(new wxBMPFileHandler);
- AddHandler(new wxXPMFileHandler);
- AddHandler(new wxXPMDataHandler);
- AddHandler(new wxICOResourceHandler);
- AddHandler(new wxICOFileHandler);
-*/
+#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 );
}