Replace declarations such as "friend class Fl_Xlib_Graphics_Driver;" by platform-independent declarations.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@12076 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

4 files changed, 20 insertions, 13 deletions

diff --git a/FL/Fl_Bitmap.H b/FL/Fl_Bitmap.H
index 3bb6f23d1..bea76a309 100644
--- a/FL/Fl_Bitmap.H
+++ b/FL/Fl_Bitmap.H
@@ -32,10 +32,7 @@ struct Fl_Menu_Item;
   (bitmap) images. Images are drawn using the current color.
 */
 class FL_EXPORT Fl_Bitmap : public Fl_Image {
-  friend class Fl_Quartz_Graphics_Driver;
-  friend class Fl_GDI_Graphics_Driver;
-  friend class Fl_GDI_Printer_Graphics_Driver;
-  friend class Fl_Xlib_Graphics_Driver;
+  friend class Fl_Graphics_Driver;
 public:
 
   /** pointer to raw bitmap data */
diff --git a/FL/Fl_Graphics_Driver.H b/FL/Fl_Graphics_Driver.H
index 2f550124b..3530d4423 100644
--- a/FL/Fl_Graphics_Driver.H
+++ b/FL/Fl_Graphics_Driver.H
@@ -135,6 +135,22 @@ protected:
   virtual Fl_Bitmask create_bitmask(int w, int h, const uchar *array) {return 0; }
   /** Support function for image drawing */
   virtual void delete_bitmask(Fl_Bitmask bm) {}
+  // accessor functions to protected image members
+  static fl_uintptr_t* id(Fl_RGB_Image *rgb) {return &(rgb->id_);}
+  static fl_uintptr_t* id(Fl_Pixmap *pm) {return &(pm->id_);}
+  static fl_uintptr_t* id(Fl_Bitmap *bm) {return &(bm->id_);}
+  static fl_uintptr_t* mask(Fl_RGB_Image *rgb) {return &(rgb->mask_);}
+  static fl_uintptr_t* mask(Fl_Pixmap *pm) {return &(pm->mask_);}
+  static Fl_Color* pixmap_bg_color(Fl_Pixmap *pm) {return &(pm->pixmap_bg_color);}
+  static void draw_empty(Fl_Image* img, int X, int Y) {img->draw_empty(X, Y);}
+  static int start(Fl_Bitmap *bm, int XP, int YP, int WP, int HP, int &cx, int &cy,
+                   int &X, int &Y, int &W, int &H) {
+    return bm->start(XP,YP,WP,HP,cx,cy,X,Y,W,H);
+  }
+  static int prepare(Fl_Pixmap *pm, int XP, int YP, int WP, int HP, int &cx, int &cy,
+                     int &X, int &Y, int &W, int &H) {
+    return pm->prepare(XP,YP,WP,HP,cx,cy,X,Y,W,H);
+  }
 
 public:
   Fl_Graphics_Driver();
diff --git a/FL/Fl_Image.H b/FL/Fl_Image.H
index 09d84a6de..4e0663bfd 100644
--- a/FL/Fl_Image.H
+++ b/FL/Fl_Image.H
@@ -55,7 +55,7 @@ enum Fl_RGB_Scaling {
  a box with an X in it being drawn instead.
 */
 class FL_EXPORT Fl_Image {
-    
+  friend class Fl_Graphics_Driver;
 public:
   static const int ERR_NO_IMAGE    = -1;
   static const int ERR_FILE_ACCESS = -2;
@@ -208,10 +208,7 @@ public:
   <FL/Fl_RGB_Image.H> should be included.
 */
 class FL_EXPORT Fl_RGB_Image : public Fl_Image {
-  friend class Fl_Quartz_Graphics_Driver;
-  friend class Fl_GDI_Graphics_Driver;
-  friend class Fl_GDI_Printer_Graphics_Driver;
-  friend class Fl_Xlib_Graphics_Driver;
+  friend class Fl_Graphics_Driver;
   static size_t max_size_;
 public:
 
diff --git a/FL/Fl_Pixmap.H b/FL/Fl_Pixmap.H
index 671457c5f..acfa7e62b 100644
--- a/FL/Fl_Pixmap.H
+++ b/FL/Fl_Pixmap.H
@@ -36,10 +36,7 @@ struct Fl_Menu_Item;
   (pixmap) images, including transparency.
 */
 class FL_EXPORT Fl_Pixmap : public Fl_Image {
-  friend class Fl_Quartz_Graphics_Driver;
-  friend class Fl_GDI_Graphics_Driver;
-  friend class Fl_GDI_Printer_Graphics_Driver;
-  friend class Fl_Xlib_Graphics_Driver;
+  friend class Fl_Graphics_Driver;
   void copy_data();
   void delete_data();
   void set_data(const char * const *p);