include/wx/gtk/dc.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/gtk/dc.h
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifndef _WX_GTKDC_H_
  11 #define _WX_GTKDC_H_
  12
  13 #ifdef __WXGTK3__
  14
  15 #include "wx/dcgraph.h"
  16
  17 class wxGTKCairoDCImpl: public wxGCDCImpl
  18 {
  19     typedef wxGCDCImpl base_type;
  20 public:
  21     wxGTKCairoDCImpl(wxDC* owner);
  22     wxGTKCairoDCImpl(wxDC* owner, wxWindow* window);
  23     virtual void DoDrawBitmap(const wxBitmap& bitmap, int x, int y, bool useMask);
  24     virtual void DoDrawIcon(const wxIcon& icon, int x, int y);
  25 #if wxUSE_IMAGE
  26     virtual bool DoFloodFill(int x, int y, const wxColour& col, wxFloodFillStyle style);
  27 #endif
  28     virtual wxBitmap DoGetAsBitmap(const wxRect* subrect) const;
  29     virtual bool DoGetPixel(int x, int y, wxColour* col) const;
  30     virtual void DoGetSize(int* width, int* height) const;
  31     virtual bool DoStretchBlit(int xdest, int ydest, int dstWidth, int dstHeight, wxDC* source, int xsrc, int ysrc, int srcWidth, int srcHeight, wxRasterOperationMode rop, bool useMask, int xsrcMask, int ysrcMask);
  32     virtual void* GetCairoContext() const;
  33
  34 protected:
  35     int m_width, m_height;
  36
  37     wxDECLARE_NO_COPY_CLASS(wxGTKCairoDCImpl);
  38 };
  39 //-----------------------------------------------------------------------------
  40
  41 class wxWindowDCImpl: public wxGTKCairoDCImpl
  42 {
  43     typedef wxGTKCairoDCImpl base_type;
  44 public:
  45     wxWindowDCImpl(wxWindowDC* owner, wxWindow* window);
  46
  47     wxDECLARE_NO_COPY_CLASS(wxWindowDCImpl);
  48 };
  49 //-----------------------------------------------------------------------------
  50
  51 class wxClientDCImpl: public wxGTKCairoDCImpl
  52 {
  53     typedef wxGTKCairoDCImpl base_type;
  54 public:
  55     wxClientDCImpl(wxClientDC* owner, wxWindow* window);
  56
  57     wxDECLARE_NO_COPY_CLASS(wxClientDCImpl);
  58 };
  59 //-----------------------------------------------------------------------------
  60
  61 class wxPaintDCImpl: public wxGTKCairoDCImpl
  62 {
  63     typedef wxGTKCairoDCImpl base_type;
  64 public:
  65     wxPaintDCImpl(wxPaintDC* owner, wxWindow* window);
  66
  67     wxDECLARE_NO_COPY_CLASS(wxPaintDCImpl);
  68 };
  69 //-----------------------------------------------------------------------------
  70
  71 class wxScreenDCImpl: public wxGTKCairoDCImpl
  72 {
  73     typedef wxGTKCairoDCImpl base_type;
  74 public:
  75     wxScreenDCImpl(wxScreenDC* owner);
  76
  77     wxDECLARE_NO_COPY_CLASS(wxScreenDCImpl);
  78 };
  79 //-----------------------------------------------------------------------------
  80
  81 class wxMemoryDCImpl: public wxGTKCairoDCImpl
  82 {
  83     typedef wxGTKCairoDCImpl base_type;
  84 public:
  85     wxMemoryDCImpl(wxMemoryDC* owner);
  86     wxMemoryDCImpl(wxMemoryDC* owner, wxBitmap& bitmap);
  87     wxMemoryDCImpl(wxMemoryDC* owner, wxDC* dc);
  88     virtual wxBitmap DoGetAsBitmap(const wxRect* subrect) const;
  89     virtual void DoSelect(const wxBitmap& bitmap);
  90     virtual const wxBitmap& GetSelectedBitmap() const;
  91     virtual wxBitmap& GetSelectedBitmap();
  92
  93 private:
  94     void Setup();
  95     wxBitmap m_bitmap;
  96
  97     wxDECLARE_NO_COPY_CLASS(wxMemoryDCImpl);
  98 };
  99 //-----------------------------------------------------------------------------
 100
 101 class WXDLLIMPEXP_CORE wxGTKCairoDC: public wxDC
 102 {
 103     typedef wxDC base_type;
 104 public:
 105     wxGTKCairoDC(cairo_t* cr);
 106
 107     wxDECLARE_NO_COPY_CLASS(wxGTKCairoDC);
 108 };
 109
 110 #else
 111
 112 #include "wx/dc.h"
 113
 114 //-----------------------------------------------------------------------------
 115 // wxDC
 116 //-----------------------------------------------------------------------------
 117
 118 class WXDLLIMPEXP_CORE wxGTKDCImpl : public wxDCImpl
 119 {
 120 public:
 121     wxGTKDCImpl( wxDC *owner );
 122     virtual ~wxGTKDCImpl();
 123
 124 #if wxUSE_PALETTE
 125     void SetColourMap( const wxPalette& palette ) { SetPalette(palette); }
 126 #endif // wxUSE_PALETTE
 127
 128     // Resolution in pixels per logical inch
 129     virtual wxSize GetPPI() const;
 130
 131     virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return true; }
 132     virtual void EndDoc() { }
 133     virtual void StartPage() { }
 134     virtual void EndPage() { }
 135
 136     virtual GdkWindow* GetGDKWindow() const { return NULL; }
 137
 138     // base class pure virtuals implemented here
 139     virtual void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 140     virtual void DoGetSizeMM(int* width, int* height) const;
 141
 142     DECLARE_ABSTRACT_CLASS(wxGTKDCImpl)
 143 };
 144
 145 // this must be defined when wxDC::Blit() honours the DC origin and needed to
 146 // allow wxUniv code in univ/winuniv.cpp to work with versions of wxGTK
 147 // 2.3.[23]
 148 #ifndef wxHAS_WORKING_GTK_DC_BLIT
 149     #define wxHAS_WORKING_GTK_DC_BLIT
 150 #endif
 151
 152 #endif
 153 #endif // _WX_GTKDC_H_