src/common/cairo.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/cairo.cpp
   3 // Purpose:     Cairo library
   4 // Author:      Anthony Betaudeau
   5 // Created:     2007-08-25
   6 // RCS-ID:      $Id: cairo.cpp 44625 2007-08-25 11:35:04Z VZ $
   7 // Copyright:   (c) Anthony Bretaudeau
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11
  12 // For compilers that support precompilation, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #include "wx/cairo.h"
  20
  21 #if wxUSE_CAIRO
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/module.h"
  25     #include "wx/log.h"
  26 #endif
  27
  28
  29 wxCairoLibrary *wxCairoLibrary::s_lib = NULL;
  30
  31 //----------------------------------------------------------------------------
  32 // wxCairoLibrary
  33 //----------------------------------------------------------------------------
  34
  35 wxCairoLibrary::wxCairoLibrary()
  36 {
  37     m_cairo_lib = NULL;
  38
  39     wxLogNull log;
  40     m_cairo_lib = new wxDynamicLibrary( wxT("libcairo.so") );
  41     m_ok = m_cairo_lib->IsLoaded();
  42     if (!m_ok) return;
  43
  44     InitializeMethods();
  45 }
  46
  47 wxCairoLibrary::~wxCairoLibrary()
  48 {
  49     if (m_cairo_lib)
  50         delete m_cairo_lib;
  51 }
  52
  53 /* static */ wxCairoLibrary* wxCairoLibrary::Get()
  54 {
  55     if (s_lib)
  56         return s_lib;
  57
  58     s_lib = new wxCairoLibrary();
  59     if (s_lib->IsOk())
  60         return s_lib;
  61
  62     delete s_lib;
  63     s_lib = NULL;
  64
  65     return NULL;
  66 }
  67
  68 /* static */ void wxCairoLibrary::CleanUp()
  69 {
  70     if (s_lib)
  71     {
  72         delete s_lib;
  73         s_lib = NULL;
  74     }
  75 }
  76
  77 bool wxCairoLibrary::IsOk()
  78 {
  79     return m_ok;
  80 }
  81
  82 void wxCairoLibrary::InitializeMethods()
  83 {
  84     m_ok = false;
  85     bool success;
  86
  87     wxDL_METHOD_LOAD( m_cairo_lib, cairo_arc, success )
  88     wxDL_METHOD_LOAD( m_cairo_lib, cairo_arc_negative, success )
  89     wxDL_METHOD_LOAD( m_cairo_lib, cairo_clip, success )
  90     wxDL_METHOD_LOAD( m_cairo_lib, cairo_close_path, success )
  91     wxDL_METHOD_LOAD( m_cairo_lib, cairo_create, success )
  92     wxDL_METHOD_LOAD( m_cairo_lib, cairo_curve_to, success )
  93     wxDL_METHOD_LOAD( m_cairo_lib, cairo_destroy, success )
  94     wxDL_METHOD_LOAD( m_cairo_lib, cairo_fill, success )
  95     wxDL_METHOD_LOAD( m_cairo_lib, cairo_fill_preserve, success )
  96     wxDL_METHOD_LOAD( m_cairo_lib, cairo_get_target, success )
  97     wxDL_METHOD_LOAD( m_cairo_lib, cairo_image_surface_create_for_data, success )
  98     wxDL_METHOD_LOAD( m_cairo_lib, cairo_line_to, success )
  99     wxDL_METHOD_LOAD( m_cairo_lib, cairo_move_to, success )
 100     wxDL_METHOD_LOAD( m_cairo_lib, cairo_new_path, success )
 101     wxDL_METHOD_LOAD( m_cairo_lib, cairo_paint, success )
 102     wxDL_METHOD_LOAD( m_cairo_lib, cairo_pattern_add_color_stop_rgba, success )
 103     wxDL_METHOD_LOAD( m_cairo_lib, cairo_pattern_create_for_surface, success )
 104     wxDL_METHOD_LOAD( m_cairo_lib, cairo_pattern_create_linear, success )
 105     wxDL_METHOD_LOAD( m_cairo_lib, cairo_pattern_create_radial, success )
 106     wxDL_METHOD_LOAD( m_cairo_lib, cairo_pattern_destroy, success )
 107     wxDL_METHOD_LOAD( m_cairo_lib, cairo_pattern_set_extend, success )
 108     wxDL_METHOD_LOAD( m_cairo_lib, cairo_pattern_set_filter, success )
 109     wxDL_METHOD_LOAD( m_cairo_lib, cairo_rectangle, success )
 110     wxDL_METHOD_LOAD( m_cairo_lib, cairo_reset_clip, success )
 111     wxDL_METHOD_LOAD( m_cairo_lib, cairo_restore, success )
 112     wxDL_METHOD_LOAD( m_cairo_lib, cairo_rotate, success )
 113     wxDL_METHOD_LOAD( m_cairo_lib, cairo_save, success )
 114     wxDL_METHOD_LOAD( m_cairo_lib, cairo_scale, success )
 115     wxDL_METHOD_LOAD( m_cairo_lib, cairo_set_dash, success )
 116     wxDL_METHOD_LOAD( m_cairo_lib, cairo_set_fill_rule, success )
 117     wxDL_METHOD_LOAD( m_cairo_lib, cairo_set_line_cap, success )
 118     wxDL_METHOD_LOAD( m_cairo_lib, cairo_set_line_join, success )
 119     wxDL_METHOD_LOAD( m_cairo_lib, cairo_set_line_width, success )
 120     wxDL_METHOD_LOAD( m_cairo_lib, cairo_set_operator, success )
 121     wxDL_METHOD_LOAD( m_cairo_lib, cairo_set_source, success )
 122     wxDL_METHOD_LOAD( m_cairo_lib, cairo_set_source_rgba, success )
 123     wxDL_METHOD_LOAD( m_cairo_lib, cairo_stroke, success )
 124     wxDL_METHOD_LOAD( m_cairo_lib, cairo_stroke_preserve, success )
 125     wxDL_METHOD_LOAD( m_cairo_lib, cairo_surface_create_similar, success )
 126     wxDL_METHOD_LOAD( m_cairo_lib, cairo_surface_destroy, success )
 127     wxDL_METHOD_LOAD( m_cairo_lib, cairo_translate, success )
 128
 129     m_ok = true;
 130 }
 131
 132 //----------------------------------------------------------------------------
 133 // wxCairoModule
 134 //----------------------------------------------------------------------------
 135
 136 class wxCairoModule: public wxModule
 137 {
 138 public:
 139     wxCairoModule() { }
 140     bool OnInit();
 141     void OnExit();
 142
 143 private:
 144     DECLARE_DYNAMIC_CLASS(wxGtkPrintModule)
 145 };
 146
 147 bool wxCairoModule::OnInit()
 148 {
 149     return true;
 150 }
 151
 152 void wxCairoModule::OnExit()
 153 {
 154     wxCairoLibrary::CleanUp();
 155 }
 156
 157 IMPLEMENT_DYNAMIC_CLASS(wxCairoModule, wxModule)
 158
 159 #endif
 160   // wxUSE_CAIRO