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 10b01be3b3d9b4d160816a5c48a791d95340a77c..bf3920f49e29d76b86ec180bab50194a01dc14d3 100644 (file)
--- a/src/cocoa/dcmemory.mm
+++ b/src/cocoa/dcmemory.mm
@@ -6,15 +6,23 @@
 // Created:     2003/03/16
 // RCS-ID:      $Id$
 // Copyright:   (c) 2002 David Elliott
-// Licence:    wxWindows licence
+// Licence:     wxWidgets licence
 /////////////////////////////////////////////////////////////////////////////
 
-#include "wx/dcmemory.h"
-#include "wx/log.h"
+#include "wx/wxprec.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/dcmemory.h"
+#endif //WX_PRECOMP
+
+#include "wx/cocoa/autorelease.h"
 
 #import <AppKit/NSImage.h>
 #import <AppKit/NSAffineTransform.h>
 #import <AppKit/NSGraphicsContext.h>
+#import <AppKit/NSColor.h>
+#import <AppKit/NSBezierPath.h>
 
 //-----------------------------------------------------------------------------
 // wxMemoryDC
@@ -22,10 +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) )
@@ -46,8 +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;
     }
@@ -64,6 +77,7 @@ bool wxMemoryDC::CocoaUnlockFocus()
 // instead copy the data to an offscreen window, then copy it back
 void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
 {
+    wxAutoNSAutoreleasePool pool;
     if(m_selectedBitmap.Ok())
     {
         CocoaTakeFocus();
@@ -86,15 +100,14 @@ void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
                     m_selectedBitmap.GetHeight())];
 
         // Now copy the data
-        NSImage *nsimage = [[NSImage alloc]
-                initWithSize:NSMakeSize(m_selectedBitmap.GetWidth(),
-                    m_selectedBitmap.GetHeight())];
-        [nsimage addRepresentation: const_cast<wxBitmap&>(m_selectedBitmap).GetNSBitmapImageRep()];
+        NSImage *nsimage = [m_selectedBitmap.GetNSImage(false) retain];
+        [m_cocoaNSImage lockFocus];
         [nsimage drawAtPoint: NSMakePoint(0,0)
             fromRect: NSMakeRect(0.0,0.0,m_selectedBitmap.GetWidth(),m_selectedBitmap.GetHeight())
             operation: NSCompositeCopy
             fraction: 1.0];
-        
+        [m_cocoaNSImage unlockFocus];
+
         [nsimage release];
     }
 }
@@ -133,15 +146,28 @@ bool wxMemoryDC::CocoaDoBlitOnFocusedDC(wxCoord xdest, wxCoord ydest,
     [transform concat];
     [flipTransform concat];
 
-    wxLogDebug("[m_cocoaNSImage isFlipped]=%d", [m_cocoaNSImage isFlipped]);
+    wxLogTrace(wxTRACE_COCOA,wxT("[m_cocoaNSImage isFlipped]=%d"), [m_cocoaNSImage isFlipped]);
     [m_cocoaNSImage drawAtPoint: NSMakePoint(0,0)
         fromRect: NSMakeRect(xsrc,
             m_selectedBitmap.GetHeight()-height-ysrc,
             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;
+}
+