// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "bitmap.h"
-#endif
-
#include "wx/wxprec.h"
#include "wx/bitmap.h"
IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject)
IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject)
-IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject )
+IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject)
#ifdef __DARWIN__
#include <ApplicationServices/ApplicationServices.h>
#endif
#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
+// we don't dare use premultiplied alpha yet
#define wxMAC_USE_PREMULTIPLIED_ALPHA 0
+#if wxUSE_BMPBUTTON
+
void wxMacCreateBitmapButton( ControlButtonContentInfo*info , const wxBitmap& bitmap , int forceType )
{
memset( info , 0 , sizeof(ControlButtonContentInfo) ) ;
wxBitmapRefData * bmap = bitmap.GetBitmapData() ;
if ( bmap == NULL )
return ;
-
+
if ( ( bmap->HasNativeSize() && forceType == 0 ) || forceType == kControlContentIconRef )
{
wxBitmap scaleBmp ;
-
wxBitmapRefData* bmp = bmap ;
-
+
if ( !bmap->HasNativeSize() )
{
// as PICT conversion will only result in a 16x16 icon, let's attempt
- // a few scales for better results
-
+ // a few scales for better results
+
int w = bitmap.GetWidth() ;
int h = bitmap.GetHeight() ;
int sz = wxMax( w , h ) ;
- if ( sz == 24 || sz == 64)
+ if ( sz == 24 || sz == 64 )
{
scaleBmp = wxBitmap( bitmap.ConvertToImage().Scale( w * 2 , h * 2 ) ) ;
bmp = scaleBmp.GetBitmapData() ;
}
}
-
+
info->contentType = kControlContentIconRef ;
info->u.iconRef = bmp->GetIconRef() ;
AcquireIconRef( info->u.iconRef ) ;
}
-#if wxMAC_USE_CORE_GRAPHICS && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
+#if defined( __WXMAC_OSX__ ) && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
else if ( forceType == kControlContentCGImageRef )
{
info->contentType = kControlContentCGImageRef ;
{
ReleaseIconRef( info->u.iconRef ) ;
}
+ else if ( info->contentType == kControlNoContent )
+ {
+ // there's no bitmap at all, fall through silently
+ }
else if ( info->contentType == kControlContentPictHandle )
{
// owned by the bitmap, no release here
}
-#if wxMAC_USE_CORE_GRAPHICS && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
+#if defined( __WXMAC_OSX__ ) && MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
else if ( info->contentType == kControlContentCGImageRef )
{
CGImageRelease( info->u.imageRef ) ;
}
}
+#endif //wxUSE_BMPBUTTON
+
#define M_BITMAPDATA ((wxBitmapRefData *)m_refData)
void wxBitmapRefData::Init()
m_depth = 0 ;
m_ok = false ;
m_bitmapMask = NULL ;
-#if wxMAC_USE_CORE_GRAPHICS
+
+#ifdef __WXMAC_OSX__
m_cgImageRef = NULL ;
#endif
+
m_iconRef = NULL ;
m_pictHandle = NULL ;
m_hBitmap = NULL ;
m_hMaskBitmap = NULL;
- m_maskBytesPerRow = NULL ;
+ m_maskBytesPerRow = 0 ;
m_rawAccessCount = 0 ;
m_hasAlpha = false;
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_height = h ;
m_depth = d ;
m_bytesPerRow = 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 ) ) ;
+ (char*) data , m_bytesPerRow ) ) ;
wxASSERT_MSG( m_hBitmap , wxT("Unable to create GWorld context") ) ;
+
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 )
{
+ wxASSERT( m_hMaskBitmap == NULL ) ;
+
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 ) ;
+ wxASSERT( data != NULL ) ;
+
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 ) ) ;
+ (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
return m_memBuf.GetData() ;
}
-void *wxBitmapRefData::BeginRawAccess()
+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 ;
+
+#ifdef __WXMAC_OSX__
// 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() ;
}
{
wxCHECK_RET( Ok() , wxT("invalid bitmap") ) ;
wxASSERT( m_rawAccessCount == 1 ) ;
+
--m_rawAccessCount ;
+
#if !wxMAC_USE_CORE_GRAPHICS
UpdateAlphaMask() ;
#endif
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) ;
+
+#ifdef WORDS_BIGENDIAN
+ iconFamily = (IconFamilyHandle) NewHandle( 8 ) ;
(**iconFamily).resourceType = kIconFamilyType ;
(**iconFamily).resourceSize = sizeof(OSType) + sizeof(Size);
-
+#else
+ // test this solution on big endian as well
+ iconFamily = (IconFamilyHandle) NewHandle( 0 ) ;
+#endif
+
int w = GetWidth() ;
int h = GetHeight() ;
int sz = wxMax( w , h ) ;
-
+
OSType dataType = 0 ;
OSType maskType = 0 ;
- if ( sz == 128 )
- {
- dataType = kThumbnail32BitData ;
- maskType = kThumbnail8BitMask ;
- }
- else if ( sz == 48 )
- {
- dataType = kHuge32BitData ;
- maskType = kHuge8BitMask ;
- }
- else if ( sz == 32 )
+ switch (sz)
{
- dataType = kLarge32BitData ;
- maskType = kLarge8BitMask ;
- }
- else if ( sz == 16 )
- {
- dataType = kSmall32BitData ;
- maskType = kSmall8BitMask ;
+ case 128:
+ dataType = kThumbnail32BitData ;
+ maskType = kThumbnail8BitMask ;
+ break;
+
+ case 48:
+ dataType = kHuge32BitData ;
+ maskType = kHuge8BitMask ;
+ break;
+
+ case 32:
+ dataType = kLarge32BitData ;
+ maskType = kLarge8BitMask ;
+ break;
+
+ case 16:
+ dataType = kSmall32BitData ;
+ maskType = kSmall8BitMask ;
+ break;
+
+ default:
+ break;
}
if ( dataType != 0 )
{
// setup the header properly
- Handle data = NULL ;
+ Handle data = NULL ;
Handle maskdata = NULL ;
unsigned char * maskptr = NULL ;
unsigned char * ptr = NULL ;
- size_t size ;
- size_t masksize ;
+ size_t datasize, masksize ;
- size = sz * sz * 4 ;
- data = NewHandle( size) ;
+ datasize = sz * sz * 4 ;
+ data = NewHandle( datasize ) ;
HLock( data ) ;
ptr = (unsigned char*) *data ;
- memset( ptr , 0, size ) ;
+ memset( ptr , 0, datasize ) ;
masksize = sz * sz ;
- maskdata = NewHandle( masksize ) ;
+ maskdata = NewHandle( masksize ) ;
HLock( maskdata ) ;
maskptr = (unsigned char*) *maskdata ;
memset( maskptr , 0 , masksize ) ;
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 )
{
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 )
{
- unsigned char a = *source ++ ;
- unsigned char r = *source ++ ;
- unsigned char g = *source ++ ;
- unsigned char b = *source ++ ;
-
+ a = *source ++ ;
+ r = *source ++ ;
+ g = *source ++ ;
+ b = *source ++ ;
+
*dest++ = 0 ;
*dest++ = r ;
*dest++ = g ;
*dest++ = b ;
-
+
if ( mask )
- *maskdest++ = *masksource++ ;
+ {
+ *maskdest++ = 0xFF - *masksource++ ;
+ masksource++ ;
+ masksource++ ;
+ masksource++ ;
+ }
else if ( hasAlpha )
*maskdest++ = a ;
else
*maskdest++ = 0xFF ;
}
}
-
+
OSStatus err = SetIconFamilyData( iconFamily, dataType , data ) ;
wxASSERT_MSG( err == noErr , wxT("Error when adding bitmap") ) ;
err = SetIconFamilyData( iconFamily, maskType , maskdata ) ;
wxASSERT_MSG( err == noErr , wxT("Error when adding mask") ) ;
+
HUnlock( data ) ;
HUnlock( maskdata ) ;
DisposeHandle( data ) ;
}
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 ;
+
+ 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
+
+ // we have to retain a reference, as Unregister will decrement it
AcquireIconRef( m_iconRef ) ;
UnregisterIconRef( 'WXNG' , (OSType) iconCounter ) ;
DisposeHandle( (Handle) iconFamily ) ;
++iconCounter ;
}
+
return m_iconRef ;
}
{
if ( m_pictHandle == NULL )
{
- CGrafPtr origPort = NULL ;
- GDHandle origDev = NULL ;
- GWorldPtr wp = NULL ;
- GWorldPtr mask = 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 } ;
+ RgnHandle clipRgn = NULL ;
GetGWorld( &origPort , &origDev ) ;
-
wp = GetHBITMAP( &mask ) ;
- RgnHandle clipRgn = NULL ;
-
if ( mask )
{
GWorldPtr monoworld ;
LockPixels( GetGWorldPixMap( monoworld ) ) ;
LockPixels( GetGWorldPixMap( mask ) ) ;
SetGWorld( monoworld , NULL ) ;
- RGBColor white = { 0xffff ,0xffff , 0xffff } ;
- RGBColor black = { 0x0000 ,0x0000 , 0x0000 } ;
+
+ RGBColor white = { 0xffff , 0xffff , 0xffff } ;
+ RGBColor black = { 0x0000 , 0x0000 , 0x0000 } ;
RGBForeColor( &black ) ;
RGBBackColor( &white ) ;
+
CopyBits(GetPortBitMapForCopyBits(mask),
GetPortBitMapForCopyBits(monoworld),
&rect,
&rect,
- srcCopy,NULL);
+ srcCopy, NULL);
BitMapToRegion( clipRgn , (BitMap*) *GetGWorldPixMap( monoworld ) ) ;
+
UnlockPixels( GetGWorldPixMap( monoworld ) ) ;
UnlockPixels( GetGWorldPixMap( mask ) ) ;
DisposeGWorld( monoworld ) ;
Rect portRect ;
GetPortBounds( wp , &portRect ) ;
m_pictHandle = OpenPicture(&portRect);
-
- if(m_pictHandle)
+
+ if (m_pictHandle)
{
- RGBColor white = { 0xffff ,0xffff , 0xffff } ;
- RGBColor black = { 0x0000 ,0x0000 , 0x0000 } ;
+ RGBColor white = { 0xffff , 0xffff , 0xffff } ;
+ RGBColor black = { 0x0000 , 0x0000 , 0x0000 } ;
+
RGBForeColor( &black ) ;
RGBBackColor( &white ) ;
UnlockPixels( GetGWorldPixMap( wp ) ) ;
ClosePicture();
}
+
SetGWorld( origPort , origDev ) ;
if ( clipRgn )
DisposeRgn( clipRgn ) ;
}
+
return m_pictHandle ;
}
-#if wxMAC_USE_CORE_GRAPHICS
+#ifdef __WXMAC_OSX__
void wxMacMemoryBufferReleaseProc(void *info, const void *data, size_t size)
{
wxMemoryBuffer* membuf = (wxMemoryBuffer*) info ;
+
wxASSERT( data == membuf->GetData() ) ;
+
delete membuf ;
}
int h = m_height ;
CGImageAlphaInfo alphaInfo = kCGImageAlphaNoneSkipFirst ;
wxMemoryBuffer* membuf = NULL ;
-
+
if ( m_bitmapMask )
{
+ alphaInfo = kCGImageAlphaFirst ;
membuf = new wxMemoryBuffer( imageSize ) ;
memcpy( membuf->GetData() , dataBuffer , imageSize ) ;
unsigned char *sourcemaskstart = (unsigned char *) m_bitmapMask->GetRawAccess() ;
int maskrowbytes = m_bitmapMask->GetBytesPerRow() ;
unsigned char *destalpha = (unsigned char *) membuf->GetData() ;
- alphaInfo = kCGImageAlphaFirst ;
for ( int y = 0 ; y < h ; ++y , sourcemaskstart += maskrowbytes)
{
unsigned char *sourcemask = sourcemaskstart ;
- for( int x = 0 ; x < w ; ++x , sourcemask++ , destalpha += 4 )
+ for ( int x = 0 ; x < w ; ++x , sourcemask += 4 , destalpha += 4 )
{
- *destalpha = *sourcemask ;
+ *destalpha = 0xFF - *sourcemask ;
}
}
}
- else if ( m_hasAlpha )
+ 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 ) ;
- }
+
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);
+ 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
{
*mask = NULL ;
if ( m_bitmapMask )
- *mask = (GWorldPtr) m_bitmapMask->GetHBITMAP() ;
+ {
+ *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
+ // this structure is not kept in synch when using CG, so if something
+ // is really accessing the GrafPorts, we have to sync it
UpdateAlphaMask() ;
#endif
+
*mask = m_hMaskBitmap ;
}
}
+
return m_hBitmap ;
}
-void wxBitmapRefData::UpdateAlphaMask() const
+void wxBitmapRefData::UpdateAlphaMask() 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 )
+
+ for ( int x = 0 ; x < w ; ++x , sourcemask += 4 )
{
// we must have 24 bit depth for non quartz smooth alpha
*destalpha++ = 255 ;
{
wxASSERT_MSG( m_rawAccessCount == 0 , wxT("Bitmap still selected when destroyed") ) ;
-#if wxMAC_USE_CORE_GRAPHICS
+#ifdef __WXMAC_OSX__
if ( m_cgImageRef )
{
CGImageRelease( m_cgImageRef ) ;
m_cgImageRef = NULL ;
}
#endif
+
if ( m_iconRef )
{
ReleaseIconRef( m_iconRef ) ;
m_iconRef = NULL ;
}
+
if ( m_pictHandle )
{
KillPicture( m_pictHandle ) ;
m_pictHandle = NULL ;
}
+
if ( m_hBitmap )
{
DisposeGWorld( MAC_WXHBITMAP(m_hBitmap) ) ;
m_hBitmap = NULL ;
}
+
if ( m_hMaskBitmap )
{
DisposeGWorld( MAC_WXHBITMAP(m_hMaskBitmap) ) ;
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++ = *source++ ;
}
}
+
EndRawAccess() ;
DisposeHandle( imagehandle ) ;
DisposeHandle( maskhandle ) ;
+ created = true ;
}
+
DisposeHandle( (Handle) iconFamily ) ;
-
}
-
+
if ( !created )
- {
+ {
wxMemoryDC dc ;
dc.SelectObject( *this ) ;
dc.DrawIcon( icon , 0 , 0 ) ;
dc.SelectObject( wxNullBitmap ) ;
}
+
return true;
}
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 )
{
+ int index, bit, mask;
+
for ( int x = 0 ; x < the_width ; ++x )
{
- int index = x / 8 ;
- int bit = x % 8 ;
- int mask = 1 << bit ;
- if ( linestart[index] & mask )
+ index = x / 8 ;
+ bit = x % 8 ;
+ mask = 1 << bit ;
+
+ if ( !(linestart[index] & mask ) )
{
*destination++ = 0xFF ;
*destination++ = 0 ;
}
}
}
+
EndRawAccess() ;
}
else
(void) CreateFromXpm((const char **)bits);
}
-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)
{
- wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
+#if wxUSE_IMAGE
+ 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") )
+ wxCHECK_MSG( img.Ok(), false, wxT("invalid bitmap data") );
+
*this = wxBitmap(img);
- return TRUE;
+
+ return true;
+#else
+
+ return false;
+#endif
}
-#if wxMAC_USE_CORE_GRAPHICS
+#ifdef __WXMAC_OSX__
WXCGIMAGEREF wxBitmap::CGImageCreate() const
{
wxCHECK_MSG( Ok(), NULL , wxT("invalid bitmap") ) ;
+
return M_BITMAPDATA->CGImageCreate() ;
}
#endif
(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() ;
+ unsigned char *sourcedata = (unsigned char*) GetRawAccess() ;
+ unsigned char *destdata = (unsigned char*) ret.BeginRawAccess() ;
+ wxASSERT( (sourcedata != NULL) && (destdata != NULL) ) ;
+
int sourcelinesize = sourcewidth * 4 ;
int destlinesize = destwidth * 4 ;
unsigned char *source = sourcedata + rect.x * 4 + rect.y * sourcelinesize ;
unsigned char *dest = destdata ;
- for(int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize)
+
+ 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 = ( destwidth * 4 + 3 ) & 0xFFFFFFC ;
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 * 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 ) ;
}
+
maskbuf.UngetWriteBuf( maskbufsize ) ;
ret.SetMask( new wxMask( maskbuf , destwidth , destheight , rowBytes ) ) ;
}
}
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;
}
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* destination = (unsigned char*) BeginRawAccess() ;
register unsigned char* data = image.GetData();
const unsigned char *alpha = hasAlpha ? image.GetAlpha() : NULL ;
+
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
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++ ;
}
}
}
+
EndRawAccess() ;
if ( image.HasMask() )
- {
SetMask( new wxMask( *this , wxColour( image.GetMaskRed() , image.GetMaskGreen() , image.GetMaskBlue() ) ) ) ;
- }
}
wxImage wxBitmap::ConvertToImage() const
int maskBytesPerRow = 0 ;
unsigned char *alpha = NULL ;
unsigned char *mask = NULL ;
+
if ( HasAlpha() )
- {
hasAlpha = true ;
- }
if ( GetMask() )
{
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;
for (int yy = 0; yy < height; yy++ , mask += maskBytesPerRow )
{
unsigned char * maskp = mask ;
+ unsigned char a, r, g, b;
+ long color;
+
for (int xx = 0; xx < width; xx++)
{
- 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 ( *maskp++ == 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 ;
+
+ maskp++ ;
+ maskp++ ;
+ maskp++ ;
}
else if ( hasAlpha )
*alpha++ = a ;
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;
+ return success;
}
bool wxBitmap::Ok() const
}
#if WXWIN_COMPATIBILITY_2_4
-
int wxBitmap::GetQuality() const
{
return 0;
}
+void wxBitmap::SetQuality(int WXUNUSED(quality))
+{
+}
#endif
wxMask *wxBitmap::GetMask() const
M_BITMAPDATA->SetDepth(d);
}
-#if WXWIN_COMPATIBILITY_2_4
-
-void wxBitmap::SetQuality(int WXUNUSED(quality))
-{
-}
-
-#endif
-
void wxBitmap::SetOk(bool isOk)
{
if (!M_BITMAPDATA)
// 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 ) ;
+ DisposeGWorld( (GWorldPtr)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 ) ;
+ DisposeGWorld( (GWorldPtr)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 ) ) ;
+
+ OSStatus err = NewGWorldFromPtr(
+ (GWorldPtr*) &m_maskBitmap , k32ARGBPixelFormat , &rect , NULL , NULL , 0 ,
+ (char*) m_memBuf.GetData() , m_bytesPerRow ) ;
+ verify_noerr( err ) ;
}
// 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 = ( m_width * 4 + 3 ) & 0xFFFFFFC ;
+
size_t size = m_bytesPerRow * m_height ;
unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ;
+ wxASSERT( destdatabase != NULL ) ;
+
memset( destdatabase , 0 , size ) ;
unsigned char * srcdata = (unsigned char*) bitmap.GetRawAccess() ;
+
for ( int y = 0 ; y < m_height ; ++y , destdatabase += m_bytesPerRow )
{
- 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 ;
+ *destdata++ = 0xFF ;
+ *destdata++ = 0xFF ;
+ *destdata++ = 0xFF ;
+ }
+ else
+ {
+ *destdata++ = 0x00 ;
+ *destdata++ = 0x00 ;
+ *destdata++ = 0x00 ;
+ *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 = ( m_width * 4 + 3 ) & 0xFFFFFFC ;
+ size_t size = m_bytesPerRow * m_height ;
unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ;
+ wxASSERT( destdatabase != NULL ) ;
+
memset( destdatabase , 0 , size ) ;
unsigned char * srcdata = (unsigned char*) bitmap.GetRawAccess() ;
+
for ( int y = 0 ; y < m_height ; ++y , destdatabase += m_bytesPerRow)
{
- 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++ ;
- if ( colour == wxColour( r , g , b) )
- *destdata++ = 0x00 ;
- else
+ r = *srcdata++ ;
+ g = *srcdata++ ;
+ b = *srcdata++ ;
+
+ if ( colour == wxColour( r , g , b ) )
+ {
*destdata++ = 0xFF ;
+ *destdata++ = 0xFF ;
+ *destdata++ = 0xFF ;
+ *destdata++ = 0xFF ;
+ }
+ else
+ {
+ *destdata++ = 0x00 ;
+ *destdata++ = 0x00 ;
+ *destdata++ = 0x00 ;
+ *destdata++ = 0x00 ;
+ }
}
}
+
m_memBuf.UngetWriteBuf( size ) ;
RealizeNative() ;
- return TRUE;
+
+ return true;
}
WXHBITMAP wxMask::GetHBITMAP() const
bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth)
{
- return FALSE;
+ return false;
}
bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
int desiredWidth, int desiredHeight)
{
- return FALSE;
+ return false;
}
bool wxBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette)
{
- return FALSE;
+ return false;
}
// ----------------------------------------------------------------------------
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,
+bool wxPICTResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
int desiredWidth, int desiredHeight)
{
#if wxUSE_METAFILE
if ( thePict )
{
wxMetafile mf ;
- mf.SetHMETAFILE((WXHMETAFILE) thePict ) ;
+
+ mf.SetHMETAFILE( (WXHMETAFILE) 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 ;
+}
void wxBitmap::InitStandardHandlers()
{
- AddHandler(new wxPICTResourceHandler) ;
- AddHandler(new wxICONResourceHandler) ;
+ AddHandler( new wxPICTResourceHandler ) ;
+ AddHandler( new wxICONResourceHandler ) ;
}
// ----------------------------------------------------------------------------
void *wxBitmap::GetRawData(wxPixelDataBase& data, int 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() ;
+
+ return BeginRawAccess() ;
}
void wxBitmap::UngetRawData(wxPixelDataBase& 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