From 9d180f3ad0459709707ca591295c7c885d09c614 Mon Sep 17 00:00:00 2001
From: David Elliott <dfe@tgwbd.org>
Date: Wed, 9 Jul 2003 18:38:44 +0000
Subject: [PATCH] Implement wxWindowDC::Clear()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21802 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 include/wx/cocoa/dcclient.h |  3 +++
 src/cocoa/dcclient.mm       | 16 ++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/include/wx/cocoa/dcclient.h b/include/wx/cocoa/dcclient.h
index 0c6c3eee38..481c3e672b 100644
--- a/include/wx/cocoa/dcclient.h
+++ b/include/wx/cocoa/dcclient.h
@@ -26,6 +26,9 @@ public:
     // Create a DC corresponding to a window
     wxWindowDC(wxWindow *win);
     ~wxWindowDC(void);
+
+    // NSView specific functions
+    virtual void Clear();
 protected:
     wxWindow *m_window;
 };
diff --git a/src/cocoa/dcclient.mm b/src/cocoa/dcclient.mm
index 430f225b10..b64c2ac01c 100644
--- a/src/cocoa/dcclient.mm
+++ b/src/cocoa/dcclient.mm
@@ -14,6 +14,9 @@
 
 #import <AppKit/NSView.h>
 #import <AppKit/NSAffineTransform.h>
+#import <AppKit/NSColor.h>
+#import <AppKit/NSGraphicsContext.h>
+#import <AppKit/NSBezierPath.h>
 
 /*
  * wxWindowDC
@@ -35,6 +38,19 @@ wxWindowDC::~wxWindowDC(void)
 {
 };
 
+void wxWindowDC::Clear()
+{
+    wxASSERT(m_window);
+
+    NSGraphicsContext *context = [NSGraphicsContext currentContext];
+    [context saveGraphicsState];
+
+    [m_backgroundBrush.GetNSColor() set];
+    [NSBezierPath fillRect:[m_window->GetNSView() bounds]];
+
+    [context restoreGraphicsState];
+}
+
 /*
  * wxClientDC
  */
-- 
2.45.2