diff options
Diffstat (limited to 'FL/Fl_Graphics_Driver.H')
| -rw-r--r-- | FL/Fl_Graphics_Driver.H | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/FL/Fl_Graphics_Driver.H b/FL/Fl_Graphics_Driver.H index 6283db6e7..eb734225d 100644 --- a/FL/Fl_Graphics_Driver.H +++ b/FL/Fl_Graphics_Driver.H @@ -77,6 +77,8 @@ class FL_EXPORT Fl_Graphics_Driver { friend class Fl_RGB_Image; friend int fl_draw_pixmap(const char*const* cdata, int x, int y, Fl_Color bg); friend void gl_start(); + friend Fl_Bitmask fl_create_bitmask(int w, int h, const uchar *array); + friend void fl_delete_bitmask(Fl_Bitmask); 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, @@ -123,9 +125,17 @@ protected: /** Returns whether the graphics driver is currently drawing to a high resolution surface */ virtual bool high_resolution() { return false; } virtual void global_gc(); + /** Support function for Fl_Pixmap drawing */ virtual fl_uintptr_t cache(Fl_Pixmap *img, int w, int h, const char *const*array) { return 0; } + /** Support function for Fl_Bitmap drawing */ virtual fl_uintptr_t cache(Fl_Bitmap *img, int w, int h, const uchar *array) { return 0; } + /** Support function for Fl_RGB_Image drawing */ virtual void uncache(Fl_RGB_Image *img, fl_uintptr_t &id_, fl_uintptr_t &mask_) { } + // --- implementation is in src/drivers/xxx/Fl_xxx_Graphics_Driver_image.cxx + /** Support function for image drawing */ + virtual Fl_Bitmask create_bitmask(int w, int h, const uchar *array) = 0; + /** Support function for image drawing */ + virtual void delete_bitmask(Fl_Bitmask bm) = 0; public: Fl_Graphics_Driver(); @@ -266,12 +276,13 @@ public: virtual Fl_Font_Descriptor *font_descriptor() { return font_descriptor_;} /** Set the current Fl_Font_Descriptor */ virtual void font_descriptor(Fl_Font_Descriptor *d) { font_descriptor_ = d;} - // --- implementation is in src/fl_image.cxx which includes src/drivers/xxx/Fl_xxx_Graphics_Driver_font.cxx - virtual Fl_Bitmask create_bitmask(int w, int h, const uchar *array) = 0; - virtual void delete_bitmask(Fl_Bitmask bm) = 0; + /** see fl_draw_image(const uchar* buf, int X,int Y,int W,int H, int D, int L) */ virtual void draw_image(const uchar* buf, int X,int Y,int W,int H, int D=3, int L=0) {} + /** see fl_draw_image_mono(const uchar* buf, int X,int Y,int W,int H, int D, int L) */ virtual void draw_image_mono(const uchar* buf, int X,int Y,int W,int H, int D=1, int L=0) {} + /** see fl_draw_image(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D) */ virtual void draw_image(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D=3) {} + /** see fl_draw_image_mono(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D) */ virtual void draw_image_mono(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D=1) {} /** \brief Draws an Fl_RGB_Image object to the device. * |