Simplify the implementation of printing of Fl_Pixmap images under Windows.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12851 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 4 insertions, 2 deletions

diff --git a/FL/Fl_Graphics_Driver.H b/FL/Fl_Graphics_Driver.H
index c7ba46f15..8322c348f 100644
--- a/FL/Fl_Graphics_Driver.H
+++ b/FL/Fl_Graphics_Driver.H
@@ -86,6 +86,7 @@ class FL_EXPORT Fl_Graphics_Driver {
   friend void fl_draw_image_mono(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D);
   friend void fl_draw_image(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D);
   friend void fl_copy_offscreen(int x, int y, int w, int h, Fl_Offscreen pixmap, int srcx, int srcy);
+  friend int fl_convert_pixmap(const char*const* cdata, uchar* out, Fl_Color bg);
   friend FL_EXPORT void gl_start();
   friend FL_EXPORT void gl_finish();
   friend FL_EXPORT Fl_Bitmask fl_create_bitmask(int w, int h, const uchar *array);
@@ -137,6 +138,8 @@ private:
   virtual void draw_fixed(Fl_Pixmap *pxm,int XP, int YP, int WP, int HP, int cx, int cy) {}
   virtual void draw_fixed(Fl_Bitmap *bm,int XP, int YP, int WP, int HP, int cx, int cy) {}
   virtual void draw_fixed(Fl_RGB_Image *rgb,int XP, int YP, int WP, int HP, int cx, int cy) {}
+  // the default implementation of make_unused_color_() is most probably enough
+  virtual void make_unused_color_(unsigned char &r, unsigned char &g, unsigned char &b) {}
   // some platforms may need to reimplement this
   virtual void set_current_();
 protected:
@@ -259,13 +262,12 @@ protected:
     pwidth = &(rgb->cache_w_);
     pheight = &(rgb->cache_h_);
   }
-  /** Accessor to a private member variable of Fl_Pixmap */
-  static Fl_Color* pixmap_bg_color(Fl_Pixmap *pm) {return &(pm->pixmap_bg_color);}
   /** For internal library use only */
   static void draw_empty(Fl_Image* img, int X, int Y) {img->draw_empty(X, Y);}
   
   Fl_Graphics_Driver();
   void cache_size(Fl_Image *img, int &width, int &height);
+  static unsigned need_pixmap_bg_color;
 public:
   virtual ~Fl_Graphics_Driver() {} ///< Destructor
   static Fl_Graphics_Driver &default_driver();