Added wxMemoryDC::Clear()
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31302 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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@ -23,6 +23,8 @@ public:
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~wxMemoryDC(void);
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virtual void SelectObject(const wxBitmap& bitmap);
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virtual void DoGetSize(int *width, int *height) const;
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virtual void Clear();
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protected:
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wxBitmap m_selectedBitmap;
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WX_NSImage m_cocoaNSImage;
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@ -20,6 +20,8 @@
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#import <AppKit/NSImage.h>
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#import <AppKit/NSAffineTransform.h>
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#import <AppKit/NSGraphicsContext.h>
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#import <AppKit/NSColor.h>
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#import <AppKit/NSBezierPath.h>
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//-----------------------------------------------------------------------------
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// wxMemoryDC
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@ -150,3 +152,20 @@ bool wxMemoryDC::CocoaDoBlitOnFocusedDC(wxCoord xdest, wxCoord ydest,
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return false;
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}
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void wxMemoryDC::Clear()
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{
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if(!CocoaTakeFocus()) return;
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NSGraphicsContext *context = [NSGraphicsContext currentContext];
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[context saveGraphicsState];
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[m_backgroundBrush.GetNSColor() set];
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NSRect rect;
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rect.origin.x = 0;
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rect.origin.y = 0;
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rect.size = [m_cocoaNSImage size];
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[NSBezierPath fillRect:rect];
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[context restoreGraphicsState];
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}
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