Prevent accession of to-be-deleted mdi

[wxWidgets.git] / src / cocoa / dcmemory.mm

diff --git a/src/cocoa/dcmemory.mm b/src/cocoa/dcmemory.mm
index 1c79b3ad67bd2dfaad83d6fc56eb7ec555e66fc7..bf3920f49e29d76b86ec180bab50194a01dc14d3 100644 (file)
--- a/src/cocoa/dcmemory.mm
+++ b/src/cocoa/dcmemory.mm
@@ -6,10 +6,11 @@
 // Created:     2003/03/16
 // RCS-ID:      $Id$
 // Copyright:   (c) 2002 David Elliott
-// Licence:    wxWidgets licence
+// Licence:     wxWidgets licence
 /////////////////////////////////////////////////////////////////////////////
 
 #include "wx/wxprec.h"
+
 #ifndef WX_PRECOMP
     #include "wx/log.h"
     #include "wx/dcmemory.h"
@@ -20,6 +21,8 @@
 #import <AppKit/NSImage.h>
 #import <AppKit/NSAffineTransform.h>
 #import <AppKit/NSGraphicsContext.h>
+#import <AppKit/NSColor.h>
+#import <AppKit/NSBezierPath.h>
 
 //-----------------------------------------------------------------------------
 // wxMemoryDC
@@ -27,10 +30,13 @@
 
 IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxDC)
 
-wxMemoryDC::wxMemoryDC(void)
+wxMemoryDC::wxMemoryDC( const wxBitmap& bitmap )
 {
     m_cocoaNSImage = NULL;
     m_ok = false;
+
+    if ( bitmap.IsOk() )
+        SelectObject(bitmap);
 }
 
 wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
@@ -51,8 +57,10 @@ bool wxMemoryDC::CocoaLockFocus()
     {
         [m_cocoaNSImage lockFocus];
         sm_cocoaDCStack.Insert(this);
-        m_cocoaFlipped = [m_cocoaNSImage isFlipped];
-        m_cocoaHeight = [m_cocoaNSImage size].height;
+        NSAffineTransform *newTransform = CocoaGetWxToBoundsTransform([m_cocoaNSImage isFlipped], [m_cocoaNSImage size].height);
+        [newTransform retain];
+        [m_cocoaWxToBoundsTransform release];
+        m_cocoaWxToBoundsTransform = newTransform;
         CocoaApplyTransformations();
         return true;
     }
@@ -99,7 +107,7 @@ void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
             operation: NSCompositeCopy
             fraction: 1.0];
         [m_cocoaNSImage unlockFocus];
-        
+
         [nsimage release];
     }
 }
@@ -145,8 +153,21 @@ bool wxMemoryDC::CocoaDoBlitOnFocusedDC(wxCoord xdest, wxCoord ydest,
             width, height)
         operation: NSCompositeCopy // FIXME: raster ops
         fraction: 1.0];
-        
+
     [context restoreGraphicsState];
     return false;
 }
 
+bool wxMemoryDC::CocoaGetBounds(void *rectData)
+{
+    if(!rectData)
+        return false;
+    if(!m_cocoaNSImage)
+        return false;
+    NSRect *pRect = (NSRect*)rectData;
+    pRect->origin.x = 0.0;
+    pRect->origin.y = 0.0;
+    pRect->size = [m_cocoaNSImage size];
+    return true;
+}
+