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Added wxMemoryDC::Clear()

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31302 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
David Elliott
2005-01-10 01:52:08 +00:00
parent 456fd7b661
commit bf428459fc
2 changed files with 21 additions and 0 deletions
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2
include/wx/cocoa/dcmemory.h
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@@ -23,6 +23,8 @@ public:
~wxMemoryDC(void); ~wxMemoryDC(void);
virtual void SelectObject(const wxBitmap& bitmap); virtual void SelectObject(const wxBitmap& bitmap);
virtual void DoGetSize(int *width, int *height) const; virtual void DoGetSize(int *width, int *height) const;
virtual void Clear();
protected: protected:
wxBitmap m_selectedBitmap; wxBitmap m_selectedBitmap;
WX_NSImage m_cocoaNSImage; WX_NSImage m_cocoaNSImage;

19
src/cocoa/dcmemory.mm
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@@ -20,6 +20,8 @@
#import <AppKit/NSImage.h> #import <AppKit/NSImage.h>
#import <AppKit/NSAffineTransform.h> #import <AppKit/NSAffineTransform.h>
#import <AppKit/NSGraphicsContext.h> #import <AppKit/NSGraphicsContext.h>
#import <AppKit/NSColor.h>
#import <AppKit/NSBezierPath.h>
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// wxMemoryDC // wxMemoryDC
@@ -150,3 +152,20 @@ bool wxMemoryDC::CocoaDoBlitOnFocusedDC(wxCoord xdest, wxCoord ydest,
return false; return false;
} }
void wxMemoryDC::Clear()
{
if(!CocoaTakeFocus()) return;
NSGraphicsContext *context = [NSGraphicsContext currentContext];
[context saveGraphicsState];
[m_backgroundBrush.GetNSColor() set];
NSRect rect;
rect.origin.x = 0;
rect.origin.y = 0;
rect.size = [m_cocoaNSImage size];
[NSBezierPath fillRect:rect];
[context restoreGraphicsState];
}