175 lines
7.1 KiB
C++
175 lines
7.1 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/cocoa/dc.h
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// Purpose: wxDC
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// Author: David Elliott
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// Modified by:
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// Created: 2003/04/01
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// Copyright: (c) 2003 David Elliott
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __WX_COCOA_DC_H__
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#define __WX_COCOA_DC_H__
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DECLARE_WXCOCOA_OBJC_CLASS(NSAffineTransform);
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#include "wx/dc.h"
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class WXDLLIMPEXP_FWD_CORE wxCocoaDCImpl;
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WX_DECLARE_LIST(wxCocoaDCImpl, wxCocoaDCStack);
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//=========================================================================
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// wxDC
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//=========================================================================
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class WXDLLIMPEXP_CORE wxCocoaDCImpl: public wxDCImpl
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{
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DECLARE_ABSTRACT_CLASS(wxCocoaDCImpl)
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wxDECLARE_NO_COPY_CLASS(wxCocoaDCImpl);
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//-------------------------------------------------------------------------
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// Initialization
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//-------------------------------------------------------------------------
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public:
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wxCocoaDCImpl(wxDC *owner);
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virtual ~wxCocoaDCImpl();
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//-------------------------------------------------------------------------
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// wxCocoa specifics
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//-------------------------------------------------------------------------
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public:
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static void CocoaInitializeTextSystem();
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static void CocoaShutdownTextSystem();
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static WX_NSTextStorage sm_cocoaNSTextStorage;
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static WX_NSLayoutManager sm_cocoaNSLayoutManager;
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static WX_NSTextContainer sm_cocoaNSTextContainer;
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// Create a simple Wx to Bounds transform (just flip the coordinate system)
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static WX_NSAffineTransform CocoaGetWxToBoundsTransform(bool isFlipped, float height);
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protected:
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// DC stack
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static wxCocoaDCStack sm_cocoaDCStack;
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virtual bool CocoaLockFocus();
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virtual bool CocoaUnlockFocus();
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bool CocoaUnwindStackAndTakeFocus();
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inline bool CocoaTakeFocus()
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{
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wxCocoaDCStack::compatibility_iterator node = sm_cocoaDCStack.GetFirst();
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if(node && (node->GetData() == this))
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return true;
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return CocoaUnwindStackAndTakeFocus();
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}
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void CocoaUnwindStackAndLoseFocus();
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// DC flipping/transformation
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void CocoaApplyTransformations();
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void CocoaUnapplyTransformations();
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WX_NSAffineTransform m_cocoaWxToBoundsTransform;
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// Get bounds rect (for Clear())
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// note: we use void * to mean NSRect * so that we can avoid
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// putting NSRect in the headers.
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virtual bool CocoaGetBounds(void *rectData);
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// Blitting
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virtual bool CocoaDoBlitOnFocusedDC(wxCoord xdest, wxCoord ydest,
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wxCoord width, wxCoord height, wxCoord xsrc, wxCoord ysrc,
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wxRasterOperationMode logicalFunc, bool useMask, wxCoord xsrcMask, wxCoord ysrcMask);
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//-------------------------------------------------------------------------
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// Implementation
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//-------------------------------------------------------------------------
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public:
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// implement base class pure virtuals
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// ----------------------------------
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virtual void Clear();
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virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return true; }
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virtual void EndDoc(void) {}
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virtual void StartPage(void) {}
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virtual void EndPage(void) {}
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virtual void SetFont(const wxFont& font);
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virtual void SetPen(const wxPen& pen);
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virtual void SetBrush(const wxBrush& brush);
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virtual void SetBackground(const wxBrush& brush);
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virtual void SetBackgroundMode(int mode) { m_backgroundMode = mode; }
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virtual void SetPalette(const wxPalette& palette);
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virtual void DestroyClippingRegion();
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virtual wxCoord GetCharHeight() const;
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virtual wxCoord GetCharWidth() const;
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virtual void DoGetTextExtent(const wxString& string,
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wxCoord *x, wxCoord *y,
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wxCoord *descent = NULL,
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wxCoord *externalLeading = NULL,
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const wxFont *theFont = NULL) const;
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virtual bool CanDrawBitmap() const;
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virtual bool CanGetTextExtent() const;
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virtual int GetDepth() const;
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virtual wxSize GetPPI() const;
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virtual void SetMapMode(wxMappingMode mode);
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virtual void SetUserScale(double x, double y);
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virtual void SetLogicalScale(double x, double y);
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virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
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virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
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virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
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virtual void SetLogicalFunction(wxRasterOperationMode function);
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virtual void SetTextForeground(const wxColour& colour) ;
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virtual void SetTextBackground(const wxColour& colour) ;
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virtual void ComputeScaleAndOrigin();
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protected:
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virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
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wxFloodFillStyle style = wxFLOOD_SURFACE);
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virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const;
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virtual void DoDrawPoint(wxCoord x, wxCoord y);
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virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
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virtual void DoDrawArc(wxCoord x1, wxCoord y1,
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wxCoord x2, wxCoord y2,
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wxCoord xc, wxCoord yc);
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virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
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double sa, double ea);
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virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
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virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y,
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wxCoord width, wxCoord height,
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double radius);
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virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
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virtual void DoCrossHair(wxCoord x, wxCoord y);
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virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
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virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
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bool useMask = false);
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virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
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virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
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double angle);
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virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
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wxDC *source, wxCoord xsrc, wxCoord ysrc,
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int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
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// this is gnarly - we can't even call this function DoSetClippingRegion()
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// because of virtual function hiding
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virtual void DoSetDeviceClippingRegion(const wxRegion& region);
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virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
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wxCoord width, wxCoord height);
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virtual void DoGetSize(int *width, int *height) const;
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virtual void DoGetSizeMM(int* width, int* height) const;
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virtual void DoDrawLines(int n, const wxPoint points[],
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wxCoord xoffset, wxCoord yoffset);
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virtual void DoDrawPolygon(int n, const wxPoint points[],
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wxCoord xoffset, wxCoord yoffset,
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wxPolygonFillMode fillStyle = wxODDEVEN_RULE);
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};
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#endif // __WX_COCOA_DC_H__
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