diff options
Diffstat (limited to 'FL/Fl_Graphics_Driver.H')
| -rw-r--r-- | FL/Fl_Graphics_Driver.H | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/FL/Fl_Graphics_Driver.H b/FL/Fl_Graphics_Driver.H index cdf2f6611..3dedcf5d9 100644 --- a/FL/Fl_Graphics_Driver.H +++ b/FL/Fl_Graphics_Driver.H @@ -4,7 +4,7 @@ // Definition of classes Fl_Device, Fl_Graphics_Driver, Fl_Surface_Device, Fl_Display_Device // for the Fast Light Tool Kit (FLTK). // -// Copyright 2010-2014 by Bill Spitzak and others. +// Copyright 2010-2016 by Bill Spitzak and others. // // This library is free software. Distribution and use rights are outlined in // the file "COPYING" which should have been included with this file. If this @@ -84,9 +84,12 @@ typedef short COORD_T; to support all FLTK drawing functions. */ class FL_EXPORT Fl_Graphics_Driver : public Fl_Device { + friend class Fl_Surface_Device; friend class Fl_Pixmap; friend class Fl_Bitmap; friend class Fl_RGB_Image; +private: + void global_gc(void); public: // The following functions create the various graphics drivers that are required // for core operations. They must be implemented as members of Fl_Graphics_Driver, @@ -251,6 +254,10 @@ public: virtual int draw_scaled(Fl_Image *img, int X, int Y, int W, int H); virtual void copy_offscreen(int x, int y, int w, int h, Fl_Offscreen pixmap, int srcx, int srcy); + /** Sets the value of the driver-specific graphics context. */ + virtual void set_gc(void*) {} + /** Returns the driver-specific graphics context, of NULL if there's none. */ + virtual void *get_gc(void) {return NULL;} protected: // --- implementation is in src/fl_vertex.cxx which includes src/cfg_gfx/xxx_rect.cxx virtual void transformed_vertex0(COORD_T x, COORD_T y); |