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, int);
  23     wxGTKCairoDCImpl(wxDC* owner, wxWindow* window);
  24
  25     virtual void DoDrawBitmap(const wxBitmap& bitmap, int x, int y, bool useMask);
  26     virtual void DoDrawIcon(const wxIcon& icon, int x, int y);
  27 #if wxUSE_IMAGE
  28     virtual bool DoFloodFill(int x, int y, const wxColour& col, wxFloodFillStyle style);
  29 #endif
  30     virtual wxBitmap DoGetAsBitmap(const wxRect* subrect) const;
  31     virtual bool DoGetPixel(int x, int y, wxColour* col) const;
  32     virtual void DoGetSize(int* width, int* height) const;
  33     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);
  34     virtual void* GetCairoContext() const;
  35
  36 protected:
  37     int m_width, m_height;
  38
  39     wxDECLARE_NO_COPY_CLASS(wxGTKCairoDCImpl);
  40 };
  41 //-----------------------------------------------------------------------------
  42
  43 class wxWindowDCImpl: public wxGTKCairoDCImpl
  44 {
  45     typedef wxGTKCairoDCImpl base_type;
  46 public:
  47     wxWindowDCImpl(wxWindowDC* owner, wxWindow* window);
  48
  49     wxDECLARE_NO_COPY_CLASS(wxWindowDCImpl);
  50 };
  51 //-----------------------------------------------------------------------------
  52
  53 class wxClientDCImpl: public wxGTKCairoDCImpl
  54 {
  55     typedef wxGTKCairoDCImpl base_type;
  56 public:
  57     wxClientDCImpl(wxClientDC* owner, wxWindow* window);
  58
  59     wxDECLARE_NO_COPY_CLASS(wxClientDCImpl);
  60 };
  61 //-----------------------------------------------------------------------------
  62
  63 class wxPaintDCImpl: public wxGTKCairoDCImpl
  64 {
  65     typedef wxGTKCairoDCImpl base_type;
  66 public:
  67     wxPaintDCImpl(wxPaintDC* owner, wxWindow* window);
  68
  69     wxDECLARE_NO_COPY_CLASS(wxPaintDCImpl);
  70 };
  71 //-----------------------------------------------------------------------------
  72
  73 class wxScreenDCImpl: public wxGTKCairoDCImpl
  74 {
  75     typedef wxGTKCairoDCImpl base_type;
  76 public:
  77     wxScreenDCImpl(wxScreenDC* owner);
  78
  79     wxDECLARE_NO_COPY_CLASS(wxScreenDCImpl);
  80 };
  81 //-----------------------------------------------------------------------------
  82
  83 class wxMemoryDCImpl: public wxGTKCairoDCImpl
  84 {
  85     typedef wxGTKCairoDCImpl base_type;
  86 public:
  87     wxMemoryDCImpl(wxMemoryDC* owner);
  88     wxMemoryDCImpl(wxMemoryDC* owner, wxBitmap& bitmap);
  89     wxMemoryDCImpl(wxMemoryDC* owner, wxDC* dc);
  90     virtual wxBitmap DoGetAsBitmap(const wxRect* subrect) const;
  91     virtual void DoSelect(const wxBitmap& bitmap);
  92     virtual const wxBitmap& GetSelectedBitmap() const;
  93     virtual wxBitmap& GetSelectedBitmap();
  94
  95 private:
  96     void Setup();
  97     wxBitmap m_bitmap;
  98
  99     wxDECLARE_NO_COPY_CLASS(wxMemoryDCImpl);
 100 };
 101 //-----------------------------------------------------------------------------
 102
 103 class WXDLLIMPEXP_CORE wxGTKCairoDC: public wxDC
 104 {
 105     typedef wxDC base_type;
 106 public:
 107     wxGTKCairoDC(cairo_t* cr);
 108
 109     wxDECLARE_NO_COPY_CLASS(wxGTKCairoDC);
 110 };
 111
 112 #else
 113
 114 #include "wx/dc.h"
 115
 116 //-----------------------------------------------------------------------------
 117 // wxDC
 118 //-----------------------------------------------------------------------------
 119
 120 class WXDLLIMPEXP_CORE wxGTKDCImpl : public wxDCImpl
 121 {
 122 public:
 123     wxGTKDCImpl( wxDC *owner );
 124     virtual ~wxGTKDCImpl();
 125
 126 #if wxUSE_PALETTE
 127     void SetColourMap( const wxPalette& palette ) { SetPalette(palette); }
 128 #endif // wxUSE_PALETTE
 129
 130     // Resolution in pixels per logical inch
 131     virtual wxSize GetPPI() const;
 132
 133     virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return true; }
 134     virtual void EndDoc() { }
 135     virtual void StartPage() { }
 136     virtual void EndPage() { }
 137
 138     virtual GdkWindow* GetGDKWindow() const { return NULL; }
 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_