include/wx/gtk/dc.h

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