m_width = wxMax(1, w);
m_height = wxMax(1, h);
m_depth = d ;
+ m_hBitmap = NULL ;
m_bytesPerRow = GetBestBytesPerRow( w * 4 ) ;
size_t size = m_bytesPerRow * h ;
void* data = m_memBuf.GetWriteBuf( size ) ;
- memset( data , 0 , size ) ;
- m_memBuf.UngetWriteBuf( size ) ;
-
- m_hBitmap = NULL ;
- m_hBitmap = CGBitmapContextCreate((char*) data, m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), kCGImageAlphaNoneSkipFirst );
- wxASSERT_MSG( m_hBitmap , wxT("Unable to create CGBitmapContext context") ) ;
- CGContextTranslateCTM( m_hBitmap, 0, m_height );
- CGContextScaleCTM( m_hBitmap, 1, -1 );
-
+ if ( data != NULL )
+ {
+ memset( data , 0 , size ) ;
+ m_memBuf.UngetWriteBuf( size ) ;
+
+ m_hBitmap = CGBitmapContextCreate((char*) data, m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), kCGImageAlphaNoneSkipFirst );
+ wxASSERT_MSG( m_hBitmap , wxT("Unable to create CGBitmapContext context") ) ;
+ CGContextTranslateCTM( m_hBitmap, 0, m_height );
+ CGContextScaleCTM( m_hBitmap, 1, -1 );
+ } /* data != NULL */
m_ok = ( m_hBitmap != NULL ) ;
return m_ok ;
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 ) ;
+
+ wxCHECK_MSG( err == noErr, NULL, wxT("Error when constructing icon ref") );
}
return m_iconRef ;
wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits)
{
- m_refData = new wxBitmapRefData( the_width , the_height , no_bits ) ;
-
- if ( no_bits == 1 )
- {
- int linesize = ( the_width / (sizeof(unsigned char) * 8)) ;
- if ( the_width % (sizeof(unsigned char) * 8) )
- linesize += sizeof(unsigned char);
+ wxBitmapRefData* bitmapRefData;
- unsigned char* linestart = (unsigned char*) bits ;
- unsigned char* destptr = (unsigned char*) BeginRawAccess() ;
+ m_refData = bitmapRefData = new wxBitmapRefData( the_width , the_height , no_bits ) ;
- for ( int y = 0 ; y < the_height ; ++y , linestart += linesize, destptr += M_BITMAPDATA->GetBytesPerRow() )
+ if (bitmapRefData->IsOk())
+ {
+ if ( no_bits == 1 )
{
- unsigned char* destination = destptr;
- int index, bit, mask;
+ int linesize = ( the_width / (sizeof(unsigned char) * 8)) ;
+ if ( the_width % (sizeof(unsigned char) * 8) )
+ linesize += sizeof(unsigned char);
+
+ unsigned char* linestart = (unsigned char*) bits ;
+ unsigned char* destptr = (unsigned char*) BeginRawAccess() ;
- for ( int x = 0 ; x < the_width ; ++x )
+ for ( int y = 0 ; y < the_height ; ++y , linestart += linesize, destptr += M_BITMAPDATA->GetBytesPerRow() )
{
- index = x / 8 ;
- bit = x % 8 ;
- mask = 1 << bit ;
+ unsigned char* destination = destptr;
+ int index, bit, mask;
- if ( linestart[index] & mask )
+ for ( int x = 0 ; x < the_width ; ++x )
{
- *destination++ = 0xFF ;
- *destination++ = 0 ;
- *destination++ = 0 ;
- *destination++ = 0 ;
- }
- else
- {
- *destination++ = 0xFF ;
- *destination++ = 0xFF ;
- *destination++ = 0xFF ;
- *destination++ = 0xFF ;
+ index = x / 8 ;
+ bit = x % 8 ;
+ mask = 1 << bit ;
+
+ if ( linestart[index] & mask )
+ {
+ *destination++ = 0xFF ;
+ *destination++ = 0 ;
+ *destination++ = 0 ;
+ *destination++ = 0 ;
+ }
+ else
+ {
+ *destination++ = 0xFF ;
+ *destination++ = 0xFF ;
+ *destination++ = 0xFF ;
+ *destination++ = 0xFF ;
+ }
}
}
- }
- EndRawAccess() ;
- }
- else
- {
- wxFAIL_MSG(wxT("multicolor BITMAPs not yet implemented"));
- }
+ EndRawAccess() ;
+ }
+ else
+ {
+ wxFAIL_MSG(wxT("multicolor BITMAPs not yet implemented"));
+ }
+ } /* bitmapRefData->IsOk() */
}
wxBitmap::wxBitmap(int w, int h, int d)
int width = image.GetWidth();
int height = image.GetHeight();
- m_refData = new wxBitmapRefData( width , height , depth ) ;
+ wxBitmapRefData* bitmapRefData;
+
+ m_refData = bitmapRefData = new wxBitmapRefData( width , height , depth ) ;
- // Create picture
+ if ( bitmapRefData->IsOk())
+ {
+ // Create picture
- bool hasAlpha = false ;
+ bool hasAlpha = false ;
- if ( image.HasMask() )
- {
- // takes precedence, don't mix with alpha info
- }
- else
- {
- hasAlpha = image.HasAlpha() ;
- }
+ if ( image.HasMask() )
+ {
+ // takes precedence, don't mix with alpha info
+ }
+ else
+ {
+ hasAlpha = image.HasAlpha() ;
+ }
- if ( hasAlpha )
- UseAlpha() ;
+ if ( hasAlpha )
+ UseAlpha() ;
- unsigned char* destinationstart = (unsigned char*) BeginRawAccess() ;
- register unsigned char* data = image.GetData();
- if ( destinationstart != NULL && data != NULL )
- {
- const unsigned char *alpha = hasAlpha ? image.GetAlpha() : NULL ;
- for (int y = 0; y < height; destinationstart += M_BITMAPDATA->GetBytesPerRow(), y++)
+ unsigned char* destinationstart = (unsigned char*) BeginRawAccess() ;
+ register unsigned char* data = image.GetData();
+ if ( destinationstart != NULL && data != NULL )
{
- unsigned char * destination = destinationstart;
- 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 wxMAC_USE_PREMULTIPLIED_ALPHA
- *destination++ = ((*data++) * a + 127) / 255 ;
- *destination++ = ((*data++) * a + 127) / 255 ;
- *destination++ = ((*data++) * a + 127) / 255 ;
-#else
- *destination++ = *data++ ;
- *destination++ = *data++ ;
- *destination++ = *data++ ;
-#endif
- }
- else
- {
- *destination++ = 0xFF ;
- *destination++ = *data++ ;
- *destination++ = *data++ ;
- *destination++ = *data++ ;
+ if ( hasAlpha )
+ {
+ const unsigned char a = *alpha++;
+ *destination++ = a ;
+
+ #if wxMAC_USE_PREMULTIPLIED_ALPHA
+ *destination++ = ((*data++) * a + 127) / 255 ;
+ *destination++ = ((*data++) * a + 127) / 255 ;
+ *destination++ = ((*data++) * a + 127) / 255 ;
+ #else
+ *destination++ = *data++ ;
+ *destination++ = *data++ ;
+ *destination++ = *data++ ;
+ #endif
+ }
+ else
+ {
+ *destination++ = 0xFF ;
+ *destination++ = *data++ ;
+ *destination++ = *data++ ;
+ *destination++ = *data++ ;
+ }
}
}
- }
- EndRawAccess() ;
- }
- if ( image.HasMask() )
- SetMask( new wxMask( *this , wxColour( image.GetMaskRed() , image.GetMaskGreen() , image.GetMaskBlue() ) ) ) ;
+ EndRawAccess() ;
+ }
+ if ( image.HasMask() )
+ SetMask( new wxMask( *this , wxColour( image.GetMaskRed() , image.GetMaskGreen() , image.GetMaskBlue() ) ) ) ;
+ } /* bitmapRefData->IsOk() */
}
wxImage wxBitmap::ConvertToImage() const
projects / wxWidgets.git / blobdiff