Chinese translations update from Jiawei Huang.

[wxWidgets.git] / src / osx / core / bitmap.cpp

diff --git a/src/osx/core/bitmap.cpp b/src/osx/core/bitmap.cpp
index 441a85973763fccdb94d75db6ea853833c112568..b88d13ff95378d16dd39ee45e907ffad18cd7bdd 100644 (file)
--- a/src/osx/core/bitmap.cpp
+++ b/src/osx/core/bitmap.cpp
@@ -315,7 +315,7 @@ bool wxBitmapRefData::Create(CGImageRef image)
                 m_hasAlpha = true;
                 m_hBitmap = CGBitmapContextCreate((char*) data, m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), kCGImageAlphaPremultipliedFirst );
             }
                 m_hasAlpha = true;
                 m_hBitmap = CGBitmapContextCreate((char*) data, m_width, m_height, 8, m_bytesPerRow, wxMacGetGenericRGBColorSpace(), kCGImageAlphaPremultipliedFirst );
             }

-            CGRect rect = {{0,0},{m_width,m_height}}; 
+            CGRect rect = CGRectMake(0,0,m_width,m_height);

             CGContextDrawImage(m_hBitmap, rect, image);
             
             wxASSERT_MSG( m_hBitmap , wxT("Unable to create CGBitmapContext context") ) ;
             CGContextDrawImage(m_hBitmap, rect, image);
             
             wxASSERT_MSG( m_hBitmap , wxT("Unable to create CGBitmapContext context") ) ;


@@ -1035,20 +1035,23 @@ wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const
     {
         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) ) ;
+        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)
+        if ( (sourcedata != NULL) && (destdata != NULL) )

         {
         {

-            memcpy( dest , source , destlinesize ) ;
+            int sourcelinesize = GetBitmapData()->GetBytesPerRow() ;
+            int destlinesize = ret.GetBitmapData()->GetBytesPerRow() ;
+            unsigned char *source = sourcedata + rect.x * 4 + rect.y * sourcelinesize ;
+            unsigned char *dest = destdata ;
+
+            for (int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize)
+            {
+                memcpy( dest , source , destlinesize ) ;
+            }

         }
         }

+        ret.EndRawAccess() ;

     }
 
     }
 

-    ret.EndRawAccess() ;

 
     if ( M_BITMAPDATA->m_bitmapMask )
     {
 
     if ( M_BITMAPDATA->m_bitmapMask )
     {


@@ -1063,15 +1066,18 @@ wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const
         unsigned char *destdata = (unsigned char * ) maskbuf.GetWriteBuf( maskbufsize ) ;
         wxASSERT( (source != NULL) && (destdata != NULL) ) ;
 
         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)
+        if ( (source != NULL) && (destdata != NULL) )

         {
         {

-            memcpy( dest , source , destlinesize ) ;
-        }
+            source += rect.x * kMaskBytesPerPixel + rect.y * sourcelinesize ;
+            unsigned char *dest = destdata ;
+
+            for (int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize)
+            {
+                memcpy( dest , source , destlinesize ) ;
+            }

 
 

-        maskbuf.UngetWriteBuf( maskbufsize ) ;
+            maskbuf.UngetWriteBuf( maskbufsize ) ;
+        }

         ret.SetMask( new wxMask( maskbuf , destwidth , destheight , rowBytes ) ) ;
     }
     else if ( HasAlpha() )
         ret.SetMask( new wxMask( maskbuf , destwidth , destheight , rowBytes ) ) ;
     }
     else if ( HasAlpha() )


@@ -1607,31 +1613,32 @@ bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
     size_t size = m_bytesPerRow * m_height ;
     unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ;
     wxASSERT( destdatabase != NULL ) ;
     size_t size = m_bytesPerRow * m_height ;
     unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ;
     wxASSERT( destdatabase != NULL ) ;

-
-    memset( destdatabase , 0 , size ) ;
-    unsigned char * srcdatabase = (unsigned char*) bitmap.GetRawAccess() ;
-    size_t sourceBytesRow = bitmap.GetBitmapData()->GetBytesPerRow();
-
-    for ( int y = 0 ; y < m_height ; ++y , srcdatabase+= sourceBytesRow, destdatabase += m_bytesPerRow)
+    if ( destdatabase != NULL)

     {
     {

-        unsigned char *srcdata = srcdatabase ;
-        unsigned char *destdata = destdatabase ;
-        unsigned char r, g, b;
+        memset( destdatabase , 0 , size ) ;
+        unsigned char * srcdatabase = (unsigned char*) bitmap.GetRawAccess() ;
+        size_t sourceBytesRow = bitmap.GetBitmapData()->GetBytesPerRow();

 
 

-        for ( int x = 0 ; x < m_width ; ++x )
+        for ( int y = 0 ; y < m_height ; ++y , srcdatabase+= sourceBytesRow, destdatabase += m_bytesPerRow)

         {
         {

-            srcdata++ ;
-            r = *srcdata++ ;
-            g = *srcdata++ ;
-            b = *srcdata++ ;
+            unsigned char *srcdata = srcdatabase ;
+            unsigned char *destdata = destdatabase ;
+            unsigned char r, g, b;

 
 

-            if ( colour == wxColour( r , g , b ) )
-                *destdata++ = 0xFF ;
-            else
-                *destdata++ = 0x00 ;
+            for ( int x = 0 ; x < m_width ; ++x )
+            {
+                srcdata++ ;
+                r = *srcdata++ ;
+                g = *srcdata++ ;
+                b = *srcdata++ ;
+
+                if ( colour == wxColour( r , g , b ) )
+                    *destdata++ = 0xFF ;
+                else
+                    *destdata++ = 0x00 ;
+            }

         }
     }
         }
     }

-

     m_memBuf.UngetWriteBuf( size ) ;
     RealizeNative() ;
 
     m_memBuf.UngetWriteBuf( size ) ;
     RealizeNative() ;