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00003 #ifndef _LIBGNOMECANVASMM_CANVAS_H
00004 #define _LIBGNOMECANVASMM_CANVAS_H
00005
00006
00007 #include <glibmm.h>
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00034 #include <libgnomecanvas/gnome-canvas.h>
00035 #include <libgnomecanvasmm/affinetrans.h>
00036 #include <gtkmm/layout.h>
00037 #include <gdkmm/color.h>
00038
00039
00040 #ifndef DOXYGEN_SHOULD_SKIP_THIS
00041 typedef struct _GnomeCanvas GnomeCanvas;
00042 typedef struct _GnomeCanvasClass GnomeCanvasClass;
00043 #endif
00044
00045
00046 namespace Gnome
00047 {
00048
00049 namespace Canvas
00050 { class Canvas_Class; }
00051
00052 }
00053 namespace Gnome
00054 {
00055
00056 namespace Canvas
00057 {
00058
00059 class Item;
00060 class Group;
00061
00068 class Canvas : public Gtk::Layout
00069 {
00070 public:
00071 #ifndef DOXYGEN_SHOULD_SKIP_THIS
00072 typedef Canvas CppObjectType;
00073 typedef Canvas_Class CppClassType;
00074 typedef GnomeCanvas BaseObjectType;
00075 typedef GnomeCanvasClass BaseClassType;
00076 #endif
00077
00078 virtual ~Canvas();
00079
00080 #ifndef DOXYGEN_SHOULD_SKIP_THIS
00081
00082 protected:
00083 friend class Canvas_Class;
00084 static CppClassType canvas_class_;
00085
00086
00087 Canvas(const Canvas&);
00088 Canvas& operator=(const Canvas&);
00089
00090 protected:
00091 explicit Canvas(const Glib::ConstructParams& construct_params);
00092 explicit Canvas(GnomeCanvas* castitem);
00093
00094 #endif
00095
00096 public:
00097 #ifndef DOXYGEN_SHOULD_SKIP_THIS
00098 static GType get_type() G_GNUC_CONST;
00099 static GType get_base_type() G_GNUC_CONST;
00100 #endif
00101
00103 GnomeCanvas* gobj() { return reinterpret_cast<GnomeCanvas*>(gobject_); }
00104
00106 const GnomeCanvas* gobj() const { return reinterpret_cast<GnomeCanvas*>(gobject_); }
00107
00108
00109 public:
00110
00111 #ifdef GLIBMM_VFUNCS_ENABLED
00112 #endif //GLIBMM_VFUNCS_ENABLED
00113
00114 protected:
00115
00116 #ifdef GLIBMM_VFUNCS_ENABLED
00117 #endif //GLIBMM_VFUNCS_ENABLED
00118
00119
00120 #ifdef GLIBMM_DEFAULT_SIGNAL_HANDLERS_ENABLED
00121 virtual void on_draw_background(const Glib::RefPtr<Gdk::Drawable>& drawable, int x, int y, int width, int height);
00122 virtual void on_render_background(GnomeCanvasBuf* buf);
00123 #endif //GLIBMM_DEFAULT_SIGNAL_HANDLERS_ENABLED
00124
00125
00126 private:
00127
00128 public:
00129 Canvas();
00130
00131
00132
00133
00134
00135
00139 Group* root() const;
00140
00141
00142
00151 void set_scroll_region(double x1, double y1, double x2, double y2);
00152
00153
00154
00161 void get_scroll_region(double& x1, double& y1, double& x2, double& y2) const;
00162
00163
00171 void set_center_scroll_region(bool center);
00172
00173
00178 bool get_center_scroll_region() const;
00179
00180
00181
00182
00195 void set_pixels_per_unit(double n = 1.0);
00196
00197
00198
00199
00200
00201
00202
00203
00211 void scroll_to(int x, int y);
00212
00213
00214
00220 void get_scroll_offsets(int& cx, int& cy) const;
00221
00222
00223
00224
00225
00231 void update_now();
00232
00233
00234
00235
00236
00237
00238
00246 Item* get_item_at(double x, double y) const;
00247
00248
00249
00250
00251
00252
00262 void request_redraw(int x1, int y1, int x2, int y2);
00263
00264
00271 void request_redraw(ArtUta* uta);
00272
00273 Art::AffineTrans w2c_affine() const;
00274
00275
00276
00277
00278
00279
00280
00287 void w2c(double wx, double wy, int& cx, int& cy) const;
00288
00296 void w2c(double wx, double wy, double& cx, double& cy) const;
00297
00298
00299
00306 void c2w(int cx, int cy, double& wx, double& wy) const;
00307
00308
00309
00310
00311
00320 void window_to_world (double winx,double winy, double& worldx,double& worldy) const;
00321
00322
00323
00324
00325
00332 void world_to_window (double worldx, double worldy, double& winx, double& winy) const;
00333
00334
00335 bool get_color(const Glib::ustring& spec, Gdk::Color& color) const;
00336
00337
00338
00339
00345 gulong get_color_pixel(guint rgba) const;
00346
00352 void set_stipple_origin(const Glib::RefPtr<Gdk::GC>& gc);
00353
00360 void set_dither(Gdk::RgbDither dither);
00361
00365 Gdk::RgbDither get_dither() const;
00366
00367
00368
00369
00375 void update_svp(ArtSVP** p_svp, ArtSVP* new_svp);
00376
00383 void update_svp_clip(ArtSVP** p_svp, ArtSVP* new_svp, ArtSVP* clip_svp);
00384
00385
00386
00387
00388 double get_pixels_per_unit() const;
00389
00390
00391
00392
00398 Glib::SignalProxy5< void,const Glib::RefPtr<Gdk::Drawable>&,int,int,int,int > signal_draw_background();
00399
00400
00401
00402
00403
00404
00410 Glib::SignalProxy1< void,GnomeCanvasBuf* > signal_render_background();
00411
00412
00413 #ifdef GLIBMM_VFUNCS_ENABLED
00414 virtual void request_update_vfunc();
00415 #endif //GLIBMM_VFUNCS_ENABLED
00416
00417
00418
00419 #ifdef GLIBMM_PROPERTIES_ENABLED
00420
00426 Glib::PropertyProxy_ReadOnly<bool> property_aa() const;
00427 #endif //#GLIBMM_PROPERTIES_ENABLED
00428
00429
00430 };
00431
00432
00433
00434 class CanvasAA : public Canvas
00435 {
00436 public:
00437 CanvasAA();
00438 explicit CanvasAA(GnomeCanvas* castitem);
00439 virtual ~CanvasAA();
00440 };
00441
00442 }
00443 }
00444
00445
00446 namespace Glib
00447 {
00456 Gnome::Canvas::Canvas* wrap(GnomeCanvas* object, bool take_copy = false);
00457 }
00458
00459
00460 #endif
00461