diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Fl_Device.cxx | 11 | ||||
| -rw-r--r-- | src/Fl_Gl_Printer.cxx | 22 |
2 files changed, 32 insertions, 1 deletions
diff --git a/src/Fl_Device.cxx b/src/Fl_Device.cxx index 03e8367ac..642ddd22b 100644 --- a/src/Fl_Device.cxx +++ b/src/Fl_Device.cxx @@ -52,7 +52,16 @@ void Fl_Virtual_Printer::print_widget(Fl_Widget* widget, int delta_x, int delta_ #else _XGC *save_gc = fl_gc; // FIXME #endif - widget->draw(); + // we do some trickery to recognize OpenGL windows and draw them via a plugin + int drawn_by_plugin = 0; + if (widget->as_gl_window()) { + Fl_Plugin_Manager pm("fltk:device"); + Fl_Device_Plugin *pi = (Fl_Device_Plugin*)pm.plugin("opengl.device.fltk.org"); + if (pi) drawn_by_plugin = pi->print(this, widget, 0, 0); + } + if (!drawn_by_plugin) + widget->draw(); + fl_gc = save_gc; if (is_window) fl_pop_clip(); // find subwindows of widget and print them diff --git a/src/Fl_Gl_Printer.cxx b/src/Fl_Gl_Printer.cxx index 233327913..ac1892dde 100644 --- a/src/Fl_Gl_Printer.cxx +++ b/src/Fl_Gl_Printer.cxx @@ -89,3 +89,25 @@ void Fl_Gl_Printer::print_gl_window(Fl_Gl_Window *glw, int x, int y) free(baseAddress); #endif // __APPLE__ } + +/* + This class will make sure that OpenGL printing is availbale if fltk_gl + was linked to the programm. + */ +class Fl_Gl_Device_Plugin : public Fl_Device_Plugin { +public: + Fl_Gl_Device_Plugin() : Fl_Device_Plugin(name()) { } + virtual const char *name() { return "opengl.device.fltk.org"; } + virtual int print(Fl_Virtual_Printer *p, Fl_Widget *w, int x, int y) { + Fl_Gl_Window *glw = w->as_gl_window(); + if (!glw) return 0; + // FIXME: this is a dangerous cast! Remove Fl_Gl_Printer entirely and add + // FIXME: a static function (may be a friend of Fl_Printer). + Fl_Gl_Printer *glp = (Fl_Gl_Printer*)p; + glp->print_gl_window(glw, x, y); + return 1; + } +}; + +static Fl_Gl_Device_Plugin Gl_Device_Plugin; + |