/////////////////////////////////////////////////////////////////////////////
-// Name: bitmap.cpp
+// Name: src/mac/carbon/bitmap.cpp
// Purpose: wxBitmap
// Author: Stefan Csomor
// Modified by:
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "bitmap.h"
-#endif
-
#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"
IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject)
IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject)
-IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject )
-#ifdef __DARWIN__
- #include <ApplicationServices/ApplicationServices.h>
-#else
- #include <PictUtils.h>
-#endif
+#include <ApplicationServices/ApplicationServices.h>
+#include <QuickTime/QuickTime.h>
#include "wx/mac/uma.h"
-#include "wx/dcmemory.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,
+// we are always working with a 32 bit deep pixel buffer
+// under QuickDraw its alpha parts are going to be ignored in the GWorld,
// therefore we have a separate GWorld there for blitting the mask in
// under Quartz then content is transformed into a CGImageRef representing the same data
// which can be transferred to the GPU by the OS for fast rendering
-// we don't dare premultiplied alpha yet
-#define wxMAC_USE_PREMULTIPLIED_ALPHA 0
+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 = (wxBitmapRefData*) ( bitmap.GetRefData()) ;
+ wxBitmapRefData * bmap = bitmap.GetBitmapData() ;
if ( bmap == NULL )
return ;
-
- if ( bmap->HasNativeSize() )
+
+ 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 = bmap->GetIconRef() ;
+ 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() ;
- }
-#if wxMAC_USE_CORE_GRAPHICS
- /*
- // only on 10.4 more controls will accept a CGImage
-
- info->contentType = kControlContentCGImageRef ;
- info->u.imageRef = (CGImageRef) bmap->CGImageCreate() ;
- */
#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 )
{
- // as the bitmap is now the owner, no need to release here
+ 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 bitma, no release here
+ // owned by the bitmap, no release here
}
-#if wxMAC_USE_CORE_GRAPHICS && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
else if ( info->contentType == kControlContentCGImageRef )
{
CGImageRelease( info->u.imageRef ) ;
}
-#endif
else
{
wxFAIL_MSG(wxT("Unexpected bitmap type") ) ;
}
}
+#endif //wxUSE_BMPBUTTON
+
#define M_BITMAPDATA ((wxBitmapRefData *)m_refData)
void wxBitmapRefData::Init()
m_width = 0 ;
m_height = 0 ;
m_depth = 0 ;
+ m_bytesPerRow = 0;
m_ok = false ;
m_bitmapMask = NULL ;
-#if wxMAC_USE_CORE_GRAPHICS
m_cgImageRef = NULL ;
-#endif
+
m_iconRef = NULL ;
m_pictHandle = NULL ;
m_hBitmap = NULL ;
- m_hMaskBitmap = NULL;
- m_maskBytesPerRow = 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 )
+wxBitmapRefData::wxBitmapRefData( int w , int h , int d )
{
Init() ;
Create( w , h , d ) ;
}
-bool wxBitmapRefData::Create( int w , int h , int d )
+bool wxBitmapRefData::Create( int w , int h , int d )
{
- m_width = w ;
- m_height = h ;
+ m_width = wxMax(1, w);
+ m_height = wxMax(1, h);
m_depth = d ;
- m_bytesPerRow = w * 4 ;
+ 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) ;
+ void* data = m_memBuf.GetWriteBuf( size ) ;
+ memset( data , 0 , size ) ;
+ m_memBuf.UngetWriteBuf( size ) ;
m_hBitmap = NULL ;
- Rect rect = { 0 , 0 , m_height , m_width } ;
- verify_noerr( NewGWorldFromPtr( (GWorldPtr*) &m_hBitmap , k32ARGBPixelFormat , &rect , NULL , NULL , 0 ,
- (char*) data , m_bytesPerRow ) ) ;
- wxASSERT_MSG( m_hBitmap , wxT("Unable to create GWorld context") ) ;
+ m_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 ;
+ return m_ok ;
}
void wxBitmapRefData::UseAlpha( bool use )
{
if ( m_hasAlpha == use )
return ;
-
+
m_hasAlpha = use ;
- if ( m_hasAlpha )
- {
- int width = GetWidth() ;
- int height = GetHeight() ;
- m_maskBytesPerRow = ( width * 4 + 3 ) & 0xFFFFFFC ;
- size_t size = height * m_maskBytesPerRow ;
- unsigned char * data = (unsigned char * ) m_maskMemBuf.GetWriteBuf( size ) ;
- memset( data , 0 , size ) ;
- wxASSERT( m_hMaskBitmap == NULL ) ;
- Rect rect = { 0 , 0 , height , width } ;
- verify_noerr( NewGWorldFromPtr( (GWorldPtr*) &m_hMaskBitmap , k32ARGBPixelFormat , &rect , NULL , NULL , 0 ,
- (char*) data , m_maskBytesPerRow ) ) ;
- wxASSERT_MSG( m_hMaskBitmap , wxT("Unable to create GWorld context for alpha mask") ) ;
- m_maskMemBuf.UngetWriteBuf(size) ;
-#if !wxMAC_USE_CORE_GRAPHICS
- UpdateAlphaMask() ;
-#endif
- }
- else
- {
- DisposeGWorld( m_hMaskBitmap ) ;
- m_hMaskBitmap = NULL ;
- m_maskBytesPerRow = 0 ;
- }
+
+ 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") ) ;
+ wxCHECK_MSG( IsOk(), NULL , wxT("invalid bitmap") ) ;
return m_memBuf.GetData() ;
}
-void *wxBitmapRefData::BeginRawAccess()
+void *wxBitmapRefData::BeginRawAccess()
{
- wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") ) ;
+ 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") ) ;
+
++m_rawAccessCount ;
+
// we must destroy an existing cached image, as
// the bitmap data may change now
- wxASSERT_MSG( m_pictHandle == NULL && m_iconRef == NULL ,
- wxT("Currently, modifing bitmaps that are used in controls already is not supported") ) ;
-#if wxMAC_USE_CORE_GRAPHICS
if ( m_cgImageRef )
{
CGImageRelease( m_cgImageRef ) ;
m_cgImageRef = NULL ;
}
-#endif
+
return m_memBuf.GetData() ;
}
void wxBitmapRefData::EndRawAccess()
{
- wxCHECK_RET( Ok() , wxT("invalid bitmap") ) ;
+ wxCHECK_RET( IsOk() , wxT("invalid bitmap") ) ;
wxASSERT( m_rawAccessCount == 1 ) ;
+
--m_rawAccessCount ;
-#if !wxMAC_USE_CORE_GRAPHICS
- UpdateAlphaMask() ;
-#endif
}
bool wxBitmapRefData::HasNativeSize()
int w = GetWidth() ;
int h = GetHeight() ;
int sz = wxMax( w , h ) ;
-
- if ( sz == 128 || sz == 48 || sz == 32 || sz == 16 )
- return true ;
- return false ;
+
+ return ( sz == 128 || sz == 48 || sz == 32 || sz == 16 );
}
IconRef wxBitmapRefData::GetIconRef()
if ( m_iconRef == NULL )
{
// Create Icon Family Handle
-
- IconFamilyHandle iconFamily = NULL ;
-
- iconFamily = (IconFamilyHandle) NewHandle(8) ;
- (**iconFamily).resourceType = kIconFamilyType ;
- (**iconFamily).resourceSize = sizeof(OSType) + sizeof(Size);
-
+
+ IconFamilyHandle iconFamily = (IconFamilyHandle) NewHandle( 0 );
+
int w = GetWidth() ;
int h = GetHeight() ;
int sz = wxMax( w , h ) ;
-
+
OSType dataType = 0 ;
OSType maskType = 0 ;
- if ( sz == 128 )
+ switch (sz)
{
- dataType = kThumbnail32BitData ;
- maskType = kThumbnail8BitMask ;
- }
- else if ( sz == 48 )
- {
- dataType = kHuge32BitData ;
- maskType = kHuge8BitMask ;
- }
- else if ( sz == 32 )
- {
- dataType = kLarge32BitData ;
- maskType = kLarge8BitMask ;
- }
- else if ( sz == 16 )
- {
- dataType = kSmall32BitData ;
- maskType = kSmall8BitMask ;
+ 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 )
{
- // setup the header properly
-
- Handle data = NULL ;
- Handle maskdata = NULL ;
- unsigned char * maskptr = NULL ;
- unsigned char * ptr = NULL ;
- size_t size ;
- size_t masksize ;
-
- size = sz * sz * 4 ;
- data = NewHandle( size) ;
- HLock( data ) ;
- ptr = (unsigned char*) *data ;
- memset( ptr , 0, size ) ;
-
- masksize = sz * sz ;
- maskdata = NewHandle( masksize ) ;
- HLock( maskdata ) ;
- maskptr = (unsigned char*) *maskdata ;
- memset( maskptr , 0 , masksize ) ;
-
- bool hasAlpha = HasAlpha() ;
- wxMask *mask = m_bitmapMask ;
- unsigned char * source = (unsigned char*) GetRawAccess() ;
- unsigned char * masksource = mask ? (unsigned char*) mask->GetRawAccess() : NULL ;
- for ( int y = 0 ; y < h ; ++y )
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+ if ( maskType == 0 && UMAGetSystemVersion() >= 0x1050 )
{
- unsigned char * dest = ptr + y * sz * 4 ;
- unsigned char * maskdest = maskptr + y * sz ;
- for ( int x = 0 ; x < w ; ++x )
+ 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 a = *source ++ ;
- unsigned char r = *source ++ ;
- unsigned char g = *source ++ ;
- unsigned char b = *source ++ ;
-
- *dest++ = 0 ;
- *dest++ = r ;
- *dest++ = g ;
- *dest++ = b ;
-
- if ( mask )
- *maskdest++ = *masksource++ ;
- else if ( hasAlpha )
- *maskdest++ = a ;
- else
- *maskdest++ = 0xFF ;
+ 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 ) ;
}
-
- 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
{
- iconFamily = (IconFamilyHandle) NewHandle(8) ;
- (**iconFamily).resourceType = kIconFamilyType ;
- (**iconFamily).resourceSize = sizeof(OSType) + sizeof(Size);
PicHandle pic = GetPictHandle() ;
SetIconFamilyData( iconFamily, 'PICT' , (Handle) pic ) ;
}
-
// transform into IconRef
-
- static int iconCounter = 2 ;
- OSStatus err = RegisterIconRefFromIconFamily( 'WXNG' , (OSType) iconCounter, iconFamily, &m_iconRef ) ;
- wxASSERT_MSG( err == noErr , wxT("Error when adding bitmap") ) ;
- // we have to retain a reference, as Unregister will decrement it
- AcquireIconRef( m_iconRef ) ;
- UnregisterIconRef( 'WXNG' , (OSType) iconCounter ) ;
+
+ // 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 ) ;
- ++iconCounter ;
}
+
return m_iconRef ;
}
{
if ( m_pictHandle == NULL )
{
- CGrafPtr origPort = NULL ;
- GDHandle origDev = NULL ;
- GWorldPtr wp = NULL ;
- GWorldPtr mask = NULL ;
- int height = GetHeight() ;
- int width = GetWidth() ;
-
- Rect rect = { 0 , 0 , height , width } ;
-
- GetGWorld( &origPort , &origDev ) ;
-
- wp = GetHBITMAP( &mask ) ;
-
- RgnHandle clipRgn = NULL ;
-
- if ( mask )
- {
- GWorldPtr monoworld ;
- clipRgn = NewRgn() ;
- OSStatus err = NewGWorld( &monoworld , 1 , &rect , NULL , NULL , 0 ) ;
- verify_noerr(err) ;
- LockPixels( GetGWorldPixMap( monoworld ) ) ;
- LockPixels( GetGWorldPixMap( mask ) ) ;
- SetGWorld( monoworld , NULL ) ;
- RGBColor white = { 0xffff ,0xffff , 0xffff } ;
- RGBColor black = { 0x0000 ,0x0000 , 0x0000 } ;
- RGBForeColor( &black ) ;
- RGBBackColor( &white ) ;
- CopyBits(GetPortBitMapForCopyBits(mask),
- GetPortBitMapForCopyBits(monoworld),
- &rect,
- &rect,
- srcCopy,NULL);
- BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( monoworld ) ) ;
- UnlockPixels( GetGWorldPixMap( monoworld ) ) ;
- UnlockPixels( GetGWorldPixMap( mask ) ) ;
- DisposeGWorld( monoworld ) ;
- }
-
- SetGWorld( wp , NULL ) ;
- Rect portRect ;
- GetPortBounds( wp , &portRect ) ;
- m_pictHandle = OpenPicture(&portRect);
-
- if(m_pictHandle)
+#ifndef __LP64__
+ GraphicsExportComponent exporter = 0;
+ OSStatus err = OpenADefaultComponent(GraphicsExporterComponentType, kQTFileTypePicture, &exporter);
+ if (noErr == err)
{
- RGBColor white = { 0xffff ,0xffff , 0xffff } ;
- RGBColor black = { 0x0000 ,0x0000 , 0x0000 } ;
- RGBForeColor( &black ) ;
- RGBBackColor( &white ) ;
-
- if ( clipRgn )
- SetClip( clipRgn ) ;
-
- LockPixels( GetGWorldPixMap( wp ) ) ;
- CopyBits(GetPortBitMapForCopyBits(wp),
- GetPortBitMapForCopyBits(wp),
- &portRect,
- &portRect,
- srcCopy,clipRgn);
- UnlockPixels( GetGWorldPixMap( wp ) ) ;
- ClosePicture();
+ 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 );
}
- SetGWorld( origPort , origDev ) ;
- if ( clipRgn )
- DisposeRgn( clipRgn ) ;
+#endif
}
- return m_pictHandle ;
-}
-#if wxMAC_USE_CORE_GRAPHICS
-void wxMacMemoryBufferReleaseProc(void *info, const void *data, size_t size)
-{
- wxMemoryBuffer* membuf = (wxMemoryBuffer*) info ;
- wxASSERT( data == membuf->GetData() ) ;
- delete membuf ;
+ return m_pictHandle ;
}
-CGImageRef wxBitmapRefData::CGImageCreate() const
+CGImageRef wxBitmapRefData::CreateCGImage() const
{
wxASSERT( m_ok ) ;
wxASSERT( m_rawAccessCount >= 0 ) ;
CGImageRef image ;
if ( m_rawAccessCount > 0 || m_cgImageRef == NULL )
{
- size_t imageSize = m_width * m_height * 4 ;
- void * dataBuffer = m_memBuf.GetData() ;
- int w = m_width ;
- int h = m_height ;
- CGImageAlphaInfo alphaInfo = kCGImageAlphaNoneSkipFirst ;
- wxMemoryBuffer* membuf = NULL ;
-
- if ( m_bitmapMask )
+ if ( m_depth != 1 && m_bitmapMask == NULL )
{
- membuf = new wxMemoryBuffer( imageSize ) ;
- memcpy( membuf->GetData() , dataBuffer , imageSize ) ;
- unsigned char *sourcemaskstart = (unsigned char *) m_bitmapMask->GetRawAccess() ;
- int maskrowbytes = m_bitmapMask->GetBytesPerRow() ;
- unsigned char *destalpha = (unsigned char *) membuf->GetData() ;
- alphaInfo = kCGImageAlphaFirst ;
- for ( int y = 0 ; y < h ; ++y , sourcemaskstart += maskrowbytes)
+ if ( m_bitmapMask )
{
- unsigned char *sourcemask = sourcemaskstart ;
- for( int x = 0 ; x < w ; ++x , sourcemask++ , destalpha += 4 )
- {
- *destalpha = *sourcemask ;
- }
+ 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 if ( m_hasAlpha )
+ 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 ;
+ alphaInfo = kCGImageAlphaPremultipliedFirst ;
#else
- alphaInfo = kCGImageAlphaFirst ;
+ alphaInfo = kCGImageAlphaFirst ;
#endif
- membuf = new wxMemoryBuffer( m_memBuf ) ;
- }
- else
- {
- membuf = new wxMemoryBuffer( m_memBuf ) ;
+ }
+
+ 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);
}
- CGColorSpaceRef colorSpace = wxMacGetGenericRGBColorSpace();
- CGDataProviderRef dataProvider =
- CGDataProviderCreateWithData( membuf , (const void *)membuf->GetData() , imageSize,
- wxMacMemoryBufferReleaseProc );
- image =
- ::CGImageCreate( w, h, 8 , 32 , 4 * m_width , colorSpace, alphaInfo ,
- dataProvider, NULL , false , kCGRenderingIntentDefault );
- CGDataProviderRelease( dataProvider);
}
else
{
image = m_cgImageRef ;
CGImageRetain( image ) ;
}
+
if ( m_rawAccessCount == 0 && m_cgImageRef == NULL)
{
// we keep it for later use
m_cgImageRef = image ;
CGImageRetain( image ) ;
- }
- return image ;
-}
-#endif
-
-GWorldPtr wxBitmapRefData::GetHBITMAP(GWorldPtr* mask) const
-{
- wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
- if ( mask )
- {
- *mask = NULL ;
- if ( m_bitmapMask )
- *mask = (GWorldPtr) m_bitmapMask->GetHBITMAP() ;
- else if ( m_hasAlpha )
- {
-#if !wxMAC_USE_CORE_GRAPHICS
- if ( m_rawAccessCount > 0 )
- UpdateAlphaMask() ;
-#else
- // this structure is not kept in synch when using CG, so if someone
- // is really accessing the Graphports, we have to sync it
- UpdateAlphaMask() ;
-#endif
- *mask = m_hMaskBitmap ;
- }
}
- return m_hBitmap ;
+
+ return image ;
}
-void wxBitmapRefData::UpdateAlphaMask() const
+CGContextRef wxBitmapRefData::GetBitmapContext() const
{
- if ( m_hasAlpha )
- {
- unsigned char *sourcemask = (unsigned char *) GetRawAccess() ;
- unsigned char *destalphabase = (unsigned char *) m_maskMemBuf.GetData() ;
-
- int h = GetHeight() ;
- int w = GetWidth() ;
-
- for ( int y = 0 ; y < h ; ++y , destalphabase += m_maskBytesPerRow )
- {
- unsigned char* destalpha = destalphabase ;
- for( int x = 0 ; x < w ; ++x , sourcemask += 4 )
- {
- // we must have 24 bit depth for non quartz smooth alpha
- *destalpha++ = 255 ;
- *destalpha++ = 255 - *sourcemask ;
- *destalpha++ = 255 - *sourcemask ;
- *destalpha++ = 255 - *sourcemask ;
- }
- }
- }
+ return m_hBitmap;
}
void wxBitmapRefData::Free()
{
wxASSERT_MSG( m_rawAccessCount == 0 , wxT("Bitmap still selected when destroyed") ) ;
-#if wxMAC_USE_CORE_GRAPHICS
if ( m_cgImageRef )
{
CGImageRelease( m_cgImageRef ) ;
m_cgImageRef = NULL ;
}
-#endif
+
if ( m_iconRef )
{
ReleaseIconRef( m_iconRef ) ;
m_iconRef = NULL ;
}
+
+#ifndef __LP64__
if ( m_pictHandle )
{
KillPicture( m_pictHandle ) ;
m_pictHandle = NULL ;
}
+#endif
+
if ( m_hBitmap )
{
- DisposeGWorld( MAC_WXHBITMAP(m_hBitmap) ) ;
+ CGContextRelease(m_hBitmap);
m_hBitmap = NULL ;
}
- if ( m_hMaskBitmap )
- {
- DisposeGWorld( MAC_WXHBITMAP(m_hMaskBitmap) ) ;
- m_hMaskBitmap = NULL ;
- }
if (m_bitmapMask)
{
bool wxBitmap::CopyFromIcon(const wxIcon& icon)
{
+ bool created = false ;
int w = icon.GetWidth() ;
int h = icon.GetHeight() ;
-
Create( icon.GetWidth() , icon.GetHeight() ) ;
- bool created = false ;
-
if ( w == h && ( w == 16 || w == 32 || w == 48 || w == 128 ) )
{
IconFamilyHandle iconFamily = NULL ;
- Handle imagehandle = NewHandle(0) ;
- Handle maskhandle = NewHandle(0) ;
-
+ Handle imagehandle = NewHandle( 0 ) ;
+ Handle maskhandle = NewHandle( 0 ) ;
+
OSType maskType = 0;
OSType dataType = 0;
- IconSelectorValue selector = 0 ;
- if ( w == 128 )
- {
- dataType = kThumbnail32BitData ;
- maskType = kThumbnail8BitMask ;
- selector = kSelectorAllAvailableData ;
- }
- else if ( w == 48 )
- {
- dataType = kHuge32BitData ;
- maskType = kHuge8BitMask ;
- selector = kSelectorHuge32Bit | kSelectorHuge8BitMask ;
- }
- else if ( w == 32 )
- {
- dataType = kLarge32BitData ;
- maskType = kLarge8BitMask ;
- selector = kSelectorLarge32Bit | kSelectorLarge8BitMask ;
- }
- else if ( w == 16 )
+ IconSelectorValue selector = 0 ;
+
+ switch (w)
{
- dataType = kSmall32BitData ;
- maskType = kSmall8BitMask ;
- selector = kSelectorSmall32Bit | kSelectorSmall8BitMask ;
+ 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 ) ;
- OSStatus err = ( IconRefToIconFamily( MAC_WXHICON(icon.GetHICON()) , selector , &iconFamily ) ) ;
-
- err =( GetIconFamilyData( iconFamily , dataType , imagehandle ) ) ;
- err =( GetIconFamilyData( iconFamily , maskType , maskhandle ) ) ;
+ err = GetIconFamilyData( iconFamily , dataType , imagehandle ) ;
+ err = GetIconFamilyData( iconFamily , maskType , maskhandle ) ;
size_t imagehandlesize = GetHandleSize( imagehandle ) ;
size_t maskhandlesize = GetHandleSize( maskhandle ) ;
-
+
if ( imagehandlesize != 0 && maskhandlesize != 0 )
{
wxASSERT( GetHandleSize( imagehandle ) == w * 4 * h ) ;
wxASSERT( GetHandleSize( maskhandle ) == w * h ) ;
+
UseAlpha() ;
+
unsigned char *source = (unsigned char *) *imagehandle ;
unsigned char *sourcemask = (unsigned char *) *maskhandle ;
-
unsigned char* destination = (unsigned char*) BeginRawAccess() ;
+
for ( int y = 0 ; y < h ; ++y )
{
for ( int x = 0 ; x < w ; ++x )
{
- *destination++ = *sourcemask++ ;
+ 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;
}
if ( no_bits == 1 )
{
int linesize = ( the_width / (sizeof(unsigned char) * 8)) ;
- if ( the_width % (sizeof(unsigned char) * 8) ) {
+ if ( the_width % (sizeof(unsigned char) * 8) )
linesize += sizeof(unsigned char);
- }
+
unsigned char* linestart = (unsigned char*) bits ;
- unsigned char* destination = (unsigned char*) BeginRawAccess() ;
- for ( int y = 0 ; y < the_height ; ++y , linestart += linesize )
+ 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 )
{
- int index = x / 8 ;
- int bit = x % 8 ;
- int mask = 1 << bit ;
+ index = x / 8 ;
+ bit = x % 8 ;
+ mask = 1 << bit ;
+
if ( linestart[index] & mask )
{
*destination++ = 0xFF ;
}
}
}
+
EndRawAccess() ;
}
else
(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);
}
LoadFile(filename, type);
}
-wxBitmap::wxBitmap(const char **bits)
+wxGDIRefData* wxBitmap::CreateGDIRefData() const
{
- (void) CreateFromXpm(bits);
+ return new wxBitmapRefData;
}
-wxBitmap::wxBitmap(char **bits)
+wxGDIRefData* wxBitmap::CloneGDIRefData(const wxGDIRefData* data) const
{
- (void) CreateFromXpm((const char **)bits);
+ return new wxBitmapRefData(*wx_static_cast(const wxBitmapRefData *, data));
}
-void* wxBitmap::GetRawAccess() const
+void * wxBitmap::GetRawAccess() const
{
wxCHECK_MSG( Ok() , NULL , wxT("invalid bitmap") ) ;
+
return M_BITMAPDATA->GetRawAccess() ;
}
-void* wxBitmap::BeginRawAccess()
+void * wxBitmap::BeginRawAccess()
{
wxCHECK_MSG( Ok() , NULL , wxT("invalid bitmap") ) ;
+
return M_BITMAPDATA->BeginRawAccess() ;
}
void wxBitmap::EndRawAccess()
{
wxCHECK_RET( Ok() , wxT("invalid bitmap") ) ;
+
M_BITMAPDATA->EndRawAccess() ;
}
-bool wxBitmap::CreateFromXpm(const char **bits)
+CGImageRef wxBitmap::CreateCGImage() 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;
+ wxCHECK_MSG( Ok(), NULL , wxT("invalid bitmap") ) ;
+
+ return M_BITMAPDATA->CreateCGImage() ;
}
-#if wxMAC_USE_CORE_GRAPHICS
-WXCGIMAGEREF wxBitmap::CGImageCreate() const
+IconRef wxBitmap::GetIconRef() const
{
wxCHECK_MSG( Ok(), NULL , wxT("invalid bitmap") ) ;
- return M_BITMAPDATA->CGImageCreate() ;
+
+ 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
{
(rect.y+rect.height <= GetHeight()),
wxNullBitmap, wxT("invalid bitmap or bitmap region") );
-
wxBitmap ret( rect.width, rect.height, GetDepth() );
wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
-
- int sourcewidth = GetWidth() ;
int destwidth = rect.width ;
int destheight = rect.height ;
+
{
- unsigned char * sourcedata = (unsigned char*) GetRawAccess() ;
- unsigned char * destdata = (unsigned char*) ret.BeginRawAccess() ;
- int sourcelinesize = sourcewidth * 4 ;
- int destlinesize = destwidth * 4 ;
+ 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)
+
+ for (int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize)
{
memcpy( dest , source , destlinesize ) ;
}
}
+
ret.EndRawAccess() ;
-
+
if ( M_BITMAPDATA->m_bitmapMask )
{
wxMemoryBuffer maskbuf ;
- int rowBytes = ( destwidth + 3 ) & 0xFFFFFFC ;
+ int rowBytes = GetBestBytesPerRow( destwidth * kMaskBytesPerPixel );
size_t maskbufsize = rowBytes * destheight ;
- unsigned char * destdata = (unsigned char * ) maskbuf.GetWriteBuf( maskbufsize ) ;
- int sourcelinesize = M_BITMAPDATA->m_bitmapMask->GetBytesPerRow() ;
+ int sourcelinesize = M_BITMAPDATA->m_bitmapMask->GetBytesPerRow() ;
int destlinesize = rowBytes ;
+
unsigned char *source = (unsigned char *) M_BITMAPDATA->m_bitmapMask->GetRawAccess() ;
- source += rect.x + rect.y * sourcelinesize ;
+ 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)
+ 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 ) ) ;
}
m_refData = new wxBitmapRefData( w , h , d );
- return M_BITMAPDATA->Ok() ;
+ return M_BITMAPDATA->IsOk() ;
}
bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type)
}
else
{
+#if wxUSE_IMAGE
wxImage loadimage(filename, type);
- if (loadimage.Ok()) {
+ if (loadimage.Ok())
+ {
*this = loadimage;
+
return true;
}
+#endif
}
+
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();
wxBitmapHandler *handler = FindHandler(type);
- if ( handler == NULL ) {
+ 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( 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 ) ;;
+ m_refData = new wxBitmapRefData( width , height , depth ) ;
// Create picture
bool hasAlpha = false ;
-
+
if ( image.HasMask() )
{
// takes precedence, don't mix with alpha info
{
hasAlpha = image.HasAlpha() ;
}
-
+
if ( hasAlpha )
UseAlpha() ;
-
- unsigned char* destination = (unsigned char*) BeginRawAccess() ;
+ unsigned char* destinationstart = (unsigned char*) BeginRawAccess() ;
register unsigned char* data = image.GetData();
- const unsigned char *alpha = hasAlpha ? image.GetAlpha() : NULL ;
- for (int y = 0; y < height; y++)
+ if ( destinationstart != NULL && data != NULL )
{
- for (int x = 0; x < width; x++)
+ const unsigned char *alpha = hasAlpha ? image.GetAlpha() : NULL ;
+ for (int y = 0; y < height; destinationstart += M_BITMAPDATA->GetBytesPerRow(), y++)
{
- if ( hasAlpha )
+ unsigned char * destination = destinationstart;
+ for (int x = 0; x < width; x++)
{
- const unsigned char a = *alpha++;
- *destination++ = a ;
+ 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 ;
+ *destination++ = ((*data++) * a + 127) / 255 ;
+ *destination++ = ((*data++) * a + 127) / 255 ;
+ *destination++ = ((*data++) * a + 127) / 255 ;
#else
- *destination++ = *data++ ;
- *destination++ = *data++ ;
- *destination++ = *data++ ;
+ *destination++ = *data++ ;
+ *destination++ = *data++ ;
+ *destination++ = *data++ ;
#endif
- }
- else
- {
- *destination++ = 0xFF ;
- *destination++ = *data++ ;
- *destination++ = *data++ ;
- *destination++ = *data++ ;
+ }
+ else
+ {
+ *destination++ = 0xFF ;
+ *destination++ = *data++ ;
+ *destination++ = *data++ ;
+ *destination++ = *data++ ;
+ }
}
}
+
+ EndRawAccess() ;
}
- EndRawAccess() ;
if ( image.HasMask() )
- {
SetMask( new wxMask( *this , wxColour( image.GetMaskRed() , image.GetMaskGreen() , image.GetMaskBlue() ) ) ) ;
- }
}
wxImage wxBitmap::ConvertToImage() const
unsigned char *data = image.GetData();
wxCHECK_MSG( data, wxNullImage, wxT("Could not allocate data for image") );
- unsigned char* source = (unsigned char*) GetRawAccess() ;
+ 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 really occurs in the bitmap
+ // 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++)
+ 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++)
{
- long color = *((long*) source) ;
- unsigned char a = ((color&0xFF000000) >> 24) ;
- unsigned char r = ((color&0x00FF0000) >> 16) ;
- unsigned char g = ((color&0x0000FF00) >> 8) ;
- unsigned char b = (color&0x000000FF);
+ 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++ == 0 )
+ if ( *maskp++ == 0xFF )
{
- if ( r == MASK_RED && g == MASK_GREEN && b == MASK_BLUE )
- b = MASK_BLUE_REPLACEMENT ;
- else
- {
- r = MASK_RED ;
- g = MASK_GREEN ;
- b = MASK_BLUE ;
- }
+ 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;
}
+#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(wxT("no bitmap handler for type %d defined."), type);
- return false;
-}
-
-bool wxBitmap::Ok() const
-{
- return (M_BITMAPDATA && M_BITMAPDATA->Ok());
+ return success;
}
int wxBitmap::GetHeight() const
return M_BITMAPDATA->GetDepth();
}
-#if WXWIN_COMPATIBILITY_2_4
-
-int wxBitmap::GetQuality() const
-{
- return 0;
-}
-
-#endif
-
wxMask *wxBitmap::GetMask() const
{
wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
void wxBitmap::SetWidth(int w)
{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
-
+ AllocExclusive();
M_BITMAPDATA->SetWidth(w);
}
void wxBitmap::SetHeight(int h)
{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
-
+ AllocExclusive();
M_BITMAPDATA->SetHeight(h);
}
void wxBitmap::SetDepth(int d)
{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
-
+ AllocExclusive();
M_BITMAPDATA->SetDepth(d);
}
-#if WXWIN_COMPATIBILITY_2_4
-
-void wxBitmap::SetQuality(int WXUNUSED(quality))
-{
-}
-
-#endif
-
void wxBitmap::SetOk(bool isOk)
{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
-
+ AllocExclusive();
M_BITMAPDATA->SetOk(isOk);
}
void wxBitmap::SetPalette(const wxPalette& palette)
{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
-
+ AllocExclusive();
M_BITMAPDATA->m_bitmapPalette = palette ;
}
#endif // wxUSE_PALETTE
void wxBitmap::SetMask(wxMask *mask)
{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
-
+ AllocExclusive();
// Remove existing mask if there is one.
delete M_BITMAPDATA->m_bitmapMask;
WXHBITMAP wxBitmap::GetHBITMAP(WXHBITMAP* mask) const
{
- return WXHBITMAP(M_BITMAPDATA->GetHBITMAP((GWorldPtr*)mask));
+ wxUnusedVar(mask);
+
+ return WXHBITMAP(M_BITMAPDATA->GetBitmapContext());
}
// ----------------------------------------------------------------------------
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 )
{
Init() ;
- Create(bitmap, colour);
+ Create( bitmap, colour );
}
// Construct a mask from a mono bitmap (copies the bitmap).
-wxMask::wxMask(const wxBitmap& bitmap)
+wxMask::wxMask( const wxBitmap& bitmap )
{
Init() ;
- Create(bitmap);
+ Create( bitmap );
}
// Construct a mask from a mono bitmap (copies the bitmap).
-wxMask::wxMask(const wxMemoryBuffer& data, int width , int height , int bytesPerRow )
+
+wxMask::wxMask( const wxMemoryBuffer& data, int width , int height , int bytesPerRow )
{
Init() ;
- Create(data, width , height , bytesPerRow );
+ Create( data, width , height , bytesPerRow );
}
wxMask::~wxMask()
{
if ( m_maskBitmap )
{
- DisposeGWorld( (GWorldPtr) m_maskBitmap ) ;
+ CGContextRelease( (CGContextRef) m_maskBitmap );
m_maskBitmap = NULL ;
}
}
-void wxMask::Init()
+void wxMask::Init()
{
m_width = m_height = m_bytesPerRow = 0 ;
m_maskBitmap = NULL ;
return m_memBuf.GetData() ;
}
-// this can be a k8IndexedGrayPixelFormat GWorld, because it never stores other values than black or white
-// so no rainbox colors will be created by QD when blitting
+// 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()
+void wxMask::RealizeNative()
{
if ( m_maskBitmap )
{
- DisposeGWorld( (GWorldPtr) m_maskBitmap ) ;
+ CGContextRelease( (CGContextRef) m_maskBitmap );
m_maskBitmap = NULL ;
}
- Rect rect = { 0 , 0 , m_height , m_width } ;
- verify_noerr( NewGWorldFromPtr( (GWorldPtr*) &m_maskBitmap , k8IndexedGrayPixelFormat , &rect , NULL , NULL , 0 ,
- (char*) m_memBuf.GetData() , m_bytesPerRow ) ) ;
+
+ 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 ;
}
{
m_width = bitmap.GetWidth() ;
m_height = bitmap.GetHeight() ;
- m_bytesPerRow = ( m_width + 3 ) & 0xFFFFFFC ;
+ 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 ;
- for( int x = 0 ; x < m_width ; ++x )
+ unsigned char *destdata = destdatabase ;
+ unsigned char r, g, b;
+
+ for ( int x = 0 ; x < m_width ; ++x )
{
srcdata++ ;
- unsigned char r = *srcdata++ ;
- unsigned char g = *srcdata++ ;
- unsigned char b = *srcdata++ ;
+ r = *srcdata++ ;
+ g = *srcdata++ ;
+ b = *srcdata++ ;
+
if ( ( r + g + b ) > 0x10 )
- *destdata++ = 0x00 ;
- else
*destdata++ = 0xFF ;
+ else
+ *destdata++ = 0x00 ;
}
}
+
m_memBuf.UngetWriteBuf( size ) ;
RealizeNative() ;
- return TRUE;
+
+ return true;
}
// Create a mask from a bitmap and a colour indicating
{
m_width = bitmap.GetWidth() ;
m_height = bitmap.GetHeight() ;
- m_bytesPerRow = ( m_width + 3 ) & 0xFFFFFFC ;
- size_t size = m_bytesPerRow * m_height ;
+ 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 * 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 *destdata= destdatabase ;
- for( int x = 0 ; x < m_width ; ++x )
+ unsigned char *srcdata = srcdatabase ;
+ unsigned char *destdata = destdatabase ;
+ unsigned char r, g, b;
+
+ for ( int x = 0 ; x < m_width ; ++x )
{
srcdata++ ;
- unsigned char r = *srcdata++ ;
- unsigned char g = *srcdata++ ;
- unsigned char b = *srcdata++ ;
- if ( colour == wxColour( r , g , b) )
- *destdata++ = 0x00 ;
- else
+ r = *srcdata++ ;
+ g = *srcdata++ ;
+ b = *srcdata++ ;
+
+ if ( colour == wxColour( r , g , b ) )
*destdata++ = 0xFF ;
+ else
+ *destdata++ = 0x00 ;
}
}
+
m_memBuf.UngetWriteBuf( size ) ;
RealizeNative() ;
- return TRUE;
+
+ return true;
}
WXHBITMAP wxMask::GetHBITMAP() const
// wxBitmapHandler
// ----------------------------------------------------------------------------
-wxBitmapHandler::~wxBitmapHandler()
-{
-}
-
-bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth)
-{
- return FALSE;
-}
-
-bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
- int desiredWidth, int desiredHeight)
-{
- return FALSE;
-}
-
-bool wxBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette)
-{
- return FALSE;
-}
+IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxBitmapHandlerBase)
// ----------------------------------------------------------------------------
// Standard Handlers
// ----------------------------------------------------------------------------
+#ifndef __LP64__
+
class WXDLLEXPORT wxPICTResourceHandler: public wxBitmapHandler
{
DECLARE_DYNAMIC_CLASS(wxPICTResourceHandler)
+
public:
inline wxPICTResourceHandler()
{
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))
{
#if wxUSE_METAFILE
Str255 theName ;
if ( thePict )
{
wxMetafile mf ;
- mf.SetHMETAFILE((WXHMETAFILE) thePict ) ;
+
+ mf.SetPICT( thePict ) ;
bitmap->Create( mf.GetWidth() , mf.GetHeight() ) ;
wxMemoryDC dc ;
dc.SelectObject( *bitmap ) ;
mf.Play( &dc ) ;
dc.SelectObject( wxNullBitmap ) ;
- return TRUE ;
+
+ return true ;
}
-#endif //wxUSE_METAFILE
- return FALSE ;
-}
+#endif
+ 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 bpp)
+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 = GetWidth() * 4 ;
- return GetRawAccess() ;
+ data.m_stride = GetBitmapData()->GetBytesPerRow() ;
+
+ return BeginRawAccess() ;
}
-void wxBitmap::UngetRawData(wxPixelDataBase& dataBase)
+void wxBitmap::UngetRawData(wxPixelDataBase& WXUNUSED(dataBase))
{
- if ( !Ok() )
- return;
-
- // TODO : if we have some information about the API we should check
- // this code looks strange...
-
- if ( M_BITMAPDATA->HasAlpha() )
- {
- wxAlphaPixelData& data = (wxAlphaPixelData&)dataBase;
-
- int w = data.GetWidth(),
- h = data.GetHeight();
-
- wxBitmap bmpMask(GetWidth(), GetHeight(), 32);
- wxAlphaPixelData dataMask(bmpMask, data.GetOrigin(), wxSize(w, h));
- wxAlphaPixelData::Iterator pMask(dataMask),
- p(data);
- for ( int y = 0; y < h; y++ )
- {
- wxAlphaPixelData::Iterator rowStartMask = pMask,
- rowStart = p;
-
- for ( int x = 0; x < w; x++ )
- {
- const wxAlphaPixelData::Iterator::ChannelType
- alpha = p.Alpha();
-
- pMask.Red() = alpha;
- pMask.Green() = alpha;
- pMask.Blue() = alpha;
-
- ++p;
- ++pMask;
- }
-
- p = rowStart;
- p.OffsetY(data, 1);
-
- pMask = rowStartMask;
- pMask.OffsetY(dataMask, 1);
- }
-
- SetMask(new wxMask(bmpMask));
- }
+ EndRawAccess() ;
}
void wxBitmap::UseAlpha()
{
- // remember that we are using alpha channel, we'll need to create a proper
- // mask in UngetRawData()
+ // remember that we are using alpha channel:
+ // we'll need to create a proper mask in UngetRawData()
M_BITMAPDATA->UseAlpha( true );
}
projects / wxWidgets.git / blobdiff