| 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::ms_lib = NULL; |
| 30 | |
| 31 | //---------------------------------------------------------------------------- |
| 32 | // wxCairoLibrary |
| 33 | //---------------------------------------------------------------------------- |
| 34 | |
| 35 | wxCairoLibrary::wxCairoLibrary() |
| 36 | { |
| 37 | wxLogNull log; |
| 38 | |
| 39 | m_libCairo.Load("libcairo.so.2"); |
| 40 | m_ok = m_libCairo.IsLoaded(); |
| 41 | if ( !m_ok ) |
| 42 | return; |
| 43 | |
| 44 | m_libPangoCairo.Load("libpangocairo-1.0.so.0"); |
| 45 | m_ok = m_libPangoCairo.IsLoaded(); |
| 46 | if ( !m_ok ) |
| 47 | { |
| 48 | m_libCairo.Unload(); |
| 49 | return; |
| 50 | } |
| 51 | |
| 52 | m_ok = InitializeMethods(); |
| 53 | } |
| 54 | |
| 55 | wxCairoLibrary::~wxCairoLibrary() |
| 56 | { |
| 57 | } |
| 58 | |
| 59 | /* static */ wxCairoLibrary* wxCairoLibrary::Get() |
| 60 | { |
| 61 | if ( !ms_lib ) |
| 62 | { |
| 63 | ms_lib = new wxCairoLibrary(); |
| 64 | if ( !ms_lib->IsOk() ) |
| 65 | { |
| 66 | delete ms_lib; |
| 67 | ms_lib = NULL; |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | return ms_lib; |
| 72 | } |
| 73 | |
| 74 | /* static */ void wxCairoLibrary::CleanUp() |
| 75 | { |
| 76 | if (ms_lib) |
| 77 | { |
| 78 | delete ms_lib; |
| 79 | ms_lib = NULL; |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | bool wxCairoLibrary::IsOk() |
| 84 | { |
| 85 | return m_ok; |
| 86 | } |
| 87 | |
| 88 | bool wxCairoLibrary::InitializeMethods() |
| 89 | { |
| 90 | wxDL_METHOD_LOAD(m_libCairo, cairo_arc); |
| 91 | wxDL_METHOD_LOAD(m_libCairo, cairo_arc_negative); |
| 92 | wxDL_METHOD_LOAD(m_libCairo, cairo_clip); |
| 93 | wxDL_METHOD_LOAD(m_libCairo, cairo_close_path); |
| 94 | wxDL_METHOD_LOAD(m_libCairo, cairo_create); |
| 95 | wxDL_METHOD_LOAD(m_libCairo, cairo_curve_to); |
| 96 | wxDL_METHOD_LOAD(m_libCairo, cairo_destroy); |
| 97 | wxDL_METHOD_LOAD(m_libCairo, cairo_fill); |
| 98 | wxDL_METHOD_LOAD(m_libCairo, cairo_fill_preserve); |
| 99 | wxDL_METHOD_LOAD(m_libCairo, cairo_get_target); |
| 100 | wxDL_METHOD_LOAD(m_libCairo, cairo_image_surface_create_for_data); |
| 101 | wxDL_METHOD_LOAD(m_libCairo, cairo_line_to); |
| 102 | wxDL_METHOD_LOAD(m_libCairo, cairo_move_to); |
| 103 | wxDL_METHOD_LOAD(m_libCairo, cairo_new_path); |
| 104 | wxDL_METHOD_LOAD(m_libCairo, cairo_paint); |
| 105 | wxDL_METHOD_LOAD(m_libCairo, cairo_pattern_add_color_stop_rgba); |
| 106 | wxDL_METHOD_LOAD(m_libCairo, cairo_pattern_create_for_surface); |
| 107 | wxDL_METHOD_LOAD(m_libCairo, cairo_pattern_create_linear); |
| 108 | wxDL_METHOD_LOAD(m_libCairo, cairo_pattern_create_radial); |
| 109 | wxDL_METHOD_LOAD(m_libCairo, cairo_pattern_destroy); |
| 110 | wxDL_METHOD_LOAD(m_libCairo, cairo_pattern_set_extend); |
| 111 | wxDL_METHOD_LOAD(m_libCairo, cairo_pattern_set_filter); |
| 112 | wxDL_METHOD_LOAD(m_libCairo, cairo_rectangle); |
| 113 | wxDL_METHOD_LOAD(m_libCairo, cairo_reset_clip); |
| 114 | wxDL_METHOD_LOAD(m_libCairo, cairo_restore); |
| 115 | wxDL_METHOD_LOAD(m_libCairo, cairo_rotate); |
| 116 | wxDL_METHOD_LOAD(m_libCairo, cairo_save); |
| 117 | wxDL_METHOD_LOAD(m_libCairo, cairo_scale); |
| 118 | wxDL_METHOD_LOAD(m_libCairo, cairo_set_dash); |
| 119 | wxDL_METHOD_LOAD(m_libCairo, cairo_set_fill_rule); |
| 120 | wxDL_METHOD_LOAD(m_libCairo, cairo_set_line_cap); |
| 121 | wxDL_METHOD_LOAD(m_libCairo, cairo_set_line_join); |
| 122 | wxDL_METHOD_LOAD(m_libCairo, cairo_set_line_width); |
| 123 | wxDL_METHOD_LOAD(m_libCairo, cairo_set_operator); |
| 124 | wxDL_METHOD_LOAD(m_libCairo, cairo_set_source); |
| 125 | wxDL_METHOD_LOAD(m_libCairo, cairo_set_source_rgba); |
| 126 | wxDL_METHOD_LOAD(m_libCairo, cairo_stroke); |
| 127 | wxDL_METHOD_LOAD(m_libCairo, cairo_stroke_preserve); |
| 128 | wxDL_METHOD_LOAD(m_libCairo, cairo_surface_create_similar); |
| 129 | wxDL_METHOD_LOAD(m_libCairo, cairo_surface_destroy); |
| 130 | wxDL_METHOD_LOAD(m_libCairo, cairo_translate); |
| 131 | |
| 132 | wxDL_METHOD_LOAD(m_libPangoCairo, pango_cairo_update_layout); |
| 133 | wxDL_METHOD_LOAD(m_libPangoCairo, pango_cairo_show_layout); |
| 134 | |
| 135 | return true; |
| 136 | } |
| 137 | |
| 138 | //---------------------------------------------------------------------------- |
| 139 | // wxCairoModule |
| 140 | //---------------------------------------------------------------------------- |
| 141 | |
| 142 | class wxCairoModule : public wxModule |
| 143 | { |
| 144 | public: |
| 145 | wxCairoModule() { } |
| 146 | virtual bool OnInit(); |
| 147 | virtual void OnExit(); |
| 148 | |
| 149 | private: |
| 150 | DECLARE_DYNAMIC_CLASS(wxCairotModule) |
| 151 | }; |
| 152 | |
| 153 | bool wxCairoModule::OnInit() |
| 154 | { |
| 155 | return true; |
| 156 | } |
| 157 | |
| 158 | void wxCairoModule::OnExit() |
| 159 | { |
| 160 | wxCairoLibrary::CleanUp(); |
| 161 | } |
| 162 | |
| 163 | IMPLEMENT_DYNAMIC_CLASS(wxCairoModule, wxModule) |
| 164 | |
| 165 | #endif // wxUSE_CAIRO |