From 93a2b888fcbc81aa1c97df976ff0b151b2233abd Mon Sep 17 00:00:00 2001
From: Stefan Csomor <csomor@advancedconcepts.ch>
Date: Sat, 7 Jan 2006 08:33:13 +0000
Subject: [PATCH] bug fix for MacTel builds, using the same code on PPC as well
 (wxMask)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@36753 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/mac/carbon/bitmap.cpp | 52 ++++++++++++++++++++++++++++-----------
 1 file changed, 38 insertions(+), 14 deletions(-)

diff --git a/src/mac/carbon/bitmap.cpp b/src/mac/carbon/bitmap.cpp
index afc06f96ef..5d6d012951 100644
--- a/src/mac/carbon/bitmap.cpp
+++ b/src/mac/carbon/bitmap.cpp
@@ -363,7 +363,11 @@ IconRef wxBitmapRefData::GetIconRef()
                     *dest++ = b ;
 
                     if ( mask )
-                        *maskdest++ = *masksource++ ;
+                    {
+                        *maskdest++ = 0xFF - *masksource++ ;
+                        masksource++ ;
+                        masksource++ ;
+                    }
                     else if ( hasAlpha )
                         *maskdest++ = a ;
                     else
@@ -518,9 +522,9 @@ CGImageRef wxBitmapRefData::CGImageCreate() const
             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+=3 , destalpha += 4 )
                 {
-                    *destalpha = *sourcemask ;
+                    *destalpha = 0xFF - *sourcemask ;
                 }
             }
         }
@@ -946,7 +950,8 @@ wxBitmap wxBitmap::GetSubBitmap(const wxRect &rect) const
 
         for (int yy = 0; yy < destheight; ++yy, source += sourcelinesize , dest += destlinesize)
         {
-            memcpy( dest , source , destlinesize ) ;
+            for (int xx = 0; xx < destlinesize; xx++ )
+                *(dest+xx) = 0xFF - *(source+xx*3) ;
         }
 
         maskbuf.UngetWriteBuf( maskbufsize ) ;
@@ -1148,7 +1153,7 @@ wxImage wxBitmap::ConvertToImage() const
 
             if ( hasMask )
             {
-                if ( *maskp++ == 0 )
+                if ( *maskp++ == 0xFF )
                 {
                     r = MASK_RED ;
                     g = MASK_GREEN ;
@@ -1156,6 +1161,8 @@ wxImage wxBitmap::ConvertToImage() const
                 }
                 else if ( r == MASK_RED && g == MASK_GREEN && b == MASK_BLUE )
                     b = MASK_BLUE_REPLACEMENT ;
+                maskp++ ;
+                maskp++ ;
             }
             else if ( hasAlpha )
                 *alpha++ = a ;
@@ -1367,8 +1374,8 @@ void *wxMask::GetRawAccess() const
     return m_memBuf.GetData() ;
 }
 
-// this can be a k8IndexedGrayPixelFormat GWorld, because it never stores other values than black or white
-// so no QD colorizing will occur when blitting
+// The default ColorTable for k8IndexedGrayPixelFormat in Intel seems to be broken, so we'll use an non-indexed
+// bitmap mask instead, in order to keep the code simple, the change is done for ppc implementations as well
 
 void wxMask::RealizeNative()
 {
@@ -1379,7 +1386,8 @@ void wxMask::RealizeNative()
     }
 
     Rect rect = { 0 , 0 , m_height , m_width } ;
-    verify_noerr( NewGWorldFromPtr( (GWorldPtr*) &m_maskBitmap , k8IndexedGrayPixelFormat , &rect , NULL , NULL , 0 ,
+
+    verify_noerr( NewGWorldFromPtr( (GWorldPtr*) &m_maskBitmap , k24RGBPixelFormat , &rect , NULL , NULL , 0 ,
         (char*) m_memBuf.GetData() , m_bytesPerRow ) ) ;
 }
 
@@ -1403,7 +1411,7 @@ bool wxMask::Create(const wxBitmap& bitmap)
 {
     m_width = bitmap.GetWidth() ;
     m_height = bitmap.GetHeight() ;
-    m_bytesPerRow = ( m_width + 3 ) & 0xFFFFFFC ;
+    m_bytesPerRow = ( m_width * 3 + 3 ) & 0xFFFFFFC ;
 
     size_t size = m_bytesPerRow * m_height ;
     unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ;
@@ -1425,9 +1433,17 @@ bool wxMask::Create(const wxBitmap& bitmap)
             b = *srcdata++ ;
 
             if ( ( r + g + b ) > 0x10 )
-                *destdata++ = 0x00 ;
-            else
+            {
+                *destdata++ = 0xFF ;
+                *destdata++ = 0xFF ;
                 *destdata++ = 0xFF ;
+            }
+            else
+            {
+                *destdata++ = 0x00 ;
+                *destdata++ = 0x00 ;
+                *destdata++ = 0x00 ;
+            }
         }
     }
 
@@ -1443,7 +1459,7 @@ bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
 {
     m_width = bitmap.GetWidth() ;
     m_height = bitmap.GetHeight() ;
-    m_bytesPerRow = ( m_width + 3 ) & 0xFFFFFFC ;
+    m_bytesPerRow = ( m_width * 3 + 3 ) & 0xFFFFFFC ;
 
     size_t size = m_bytesPerRow * m_height ;
     unsigned char * destdatabase = (unsigned char*) m_memBuf.GetWriteBuf( size ) ;
@@ -1465,9 +1481,17 @@ bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
             b = *srcdata++ ;
 
             if ( colour == wxColour( r , g , b) )
-                *destdata++ = 0x00 ;
-            else
+            {
                 *destdata++ = 0xFF ;
+                *destdata++ = 0xFF ;
+                *destdata++ = 0xFF ;
+            }
+            else
+            {
+                *destdata++ = 0x00 ;
+                *destdata++ = 0x00 ;
+                *destdata++ = 0x00 ;
+            }
         }
     }
 
-- 
2.45.2