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| -rw-r--r-- | src/cfg_gfx/xlib.H | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/src/cfg_gfx/xlib.H b/src/cfg_gfx/xlib.H index 307bdb733..60478f5bd 100644 --- a/src/cfg_gfx/xlib.H +++ b/src/cfg_gfx/xlib.H @@ -84,103 +84,6 @@ protected: void restore_clip(); }; -#endif - -/** - A drawing surface that's susceptible to receive graphical output. - Any FLTK application has at any time a current drawing surface to which all drawing requests are directed. - The current surface is given by Fl_Surface_Device::surface(). - When main() begins running, the current drawing surface has been set to the computer's display, - an instance of the Fl_Display_Device class. - - A drawing surface other than the computer's display, is typically used as follows: - <ol><li> Create \c surface, an object from a particular Fl_Surface_Device derived class (e.g., Fl_Copy_Surface, Fl_Printer). - <li> Memorize what is the current drawing surface with <tt> Fl_Surface_Device *old_current = Fl_Surface_Device::surface();</tt> - <li> Call \c surface->set_current(); to redirect all graphics requests to \c surface which becomes the new - current drawing surface (not necessary with class Fl_Printer because it is done by Fl_Printer::start_job()). - <li> At this point any of the \ref fl_drawings (e.g., fl_rect()) or the \ref fl_attributes or \ref drawing_images functions - (e.g., fl_draw_image(), Fl_Image::draw()) operates on the new current drawing surface. - Certain drawing surfaces allow additional ways to draw to them (e.g., Fl_Printer::print_widget(), Fl_Image_Surface::draw()). - <li> After all drawing requests have been performed, redirect graphics requests back to their previous destination - with \c old_current->set_current();. - <li> Delete \c surface. - </ol> - */ -class FL_EXPORT Fl_Surface_Device : public Fl_Device { - /** \brief The graphics driver in use by this surface. */ - Fl_Graphics_Driver *_driver; - static Fl_Surface_Device *_surface; // the surface that currently receives graphics output - static Fl_Surface_Device *default_surface(); // create surface is none exists yet -protected: - /** \brief Constructor that sets the graphics driver to use for the created surface. */ - Fl_Surface_Device(Fl_Graphics_Driver *graphics_driver) {_driver = graphics_driver; }; -public: - static const char *class_id; - const char *class_name() {return class_id;}; - virtual void set_current(void); - /** \brief Sets the graphics driver of this drawing surface. */ - inline void driver(Fl_Graphics_Driver *graphics_driver) {_driver = graphics_driver;}; - /** \brief Returns the graphics driver of this drawing surface. */ - inline Fl_Graphics_Driver *driver() {return _driver; }; - /** The current drawing surface. - In other words, the Fl_Surface_Device object that currently receives all graphics output */ - static inline Fl_Surface_Device *surface() { - return _surface ? _surface : default_surface(); - }; - /** \brief The destructor. */ - virtual ~Fl_Surface_Device() {} -}; - -/** - A display to which the computer can draw. - When the program begins running, an Fl_Display_Device instance has been created and made the current drawing surface. - There is no need to create any other object of this class. - */ -class FL_EXPORT Fl_Display_Device : public Fl_Surface_Device { - friend class Fl_Quartz_Graphics_Driver; - static Fl_Display_Device *_display; // the platform display device -#ifdef __APPLE__ - friend class Fl_X; - friend class Fl_Graphics_Driver; - static bool high_res_window_; //< true when drawing to a window of a retina display (Mac OS X only) - static bool high_resolution() {return high_res_window_;} -#elif defined(WIN32) -#elif defined(FL_PORTING) -# pragma message "FL_PORTING: implement functions for extra high res drawing if your platform supports it" -#else -#endif -public: - static const char *class_id; - const char *class_name() {return class_id;}; - Fl_Display_Device(Fl_Graphics_Driver *graphics_driver); - static Fl_Display_Device *display_device(); -}; - -/** - This plugin socket allows the integration of new device drivers for special - window or screen types. It is currently used to provide an automated printing - service and screen capture for OpenGL windows, if linked with fltk_gl. - */ -class FL_EXPORT Fl_Device_Plugin : public Fl_Plugin { -public: - /** \brief The constructor */ - Fl_Device_Plugin(const char *pluginName) - : Fl_Plugin(klass(), pluginName) { } - /** \brief Returns the class name */ - virtual const char *klass() { return "fltk:device"; } - /** \brief Returns the plugin name */ - virtual const char *name() = 0; - /** \brief Prints a widget - \param w the widget - \param x,y offsets where to print relatively to coordinates origin - \param height height of the current drawing area - */ - virtual int print(Fl_Widget* w, int x, int y, int height) = 0; - /** captures a rectangle of a widget as an image - \return The captured pixels as an RGB image - */ - virtual Fl_RGB_Image* rectangle_capture(Fl_Widget *widget, int x, int y, int w, int h) = 0; -}; #endif // FL_CFG_GFX_XLIB_H |