Put a default implementation of parse_color() in Fl_Screen_Driver and only Fl_X11_Screen_Driver reimplements it.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12628 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/Fl_Screen_Driver.H

@@ -92,7 +92,8 @@ public:
   virtual int ready() = 0;
   virtual void grab(Fl_Window* win) = 0;
   // --- global colors
-  virtual int parse_color(const char* p, uchar& r, uchar& g, uchar& b) = 0;
+  /* the default implementation of parse_color() may be enough */
+  virtual int parse_color(const char* p, uchar& r, uchar& g, uchar& b);
   virtual void get_system_colors() = 0;
   virtual const char *get_system_scheme();
   // --- global timers

src/Fl_Screen_Driver.cxx

@@ -495,6 +495,31 @@ void Fl_Screen_Driver::open_display()
   }
 }
 
+
+// simulation of XParseColor:
+int Fl_Screen_Driver::parse_color(const char* p, uchar& r, uchar& g, uchar& b)
+{
+  if (*p == '#') p++;
+  size_t n = strlen(p);
+  size_t m = n/3;
+  const char *pattern = 0;
+  switch(m) {
+    case 1: pattern = "%1x%1x%1x"; break;
+    case 2: pattern = "%2x%2x%2x"; break;
+    case 3: pattern = "%3x%3x%3x"; break;
+    case 4: pattern = "%4x%4x%4x"; break;
+    default: return 0;
+  }
+  int R,G,B; if (sscanf(p,pattern,&R,&G,&B) != 3) return 0;
+  switch(m) {
+    case 1: R *= 0x11; G *= 0x11; B *= 0x11; break;
+    case 3: R >>= 4; G >>= 4; B >>= 4; break;
+    case 4: R >>= 8; G >>= 8; B >>= 8; break;
+  }
+  r = (uchar)R; g = (uchar)G; b = (uchar)B;
+  return 1;
+}
+
 //
 // End of "$Id$".
 //

src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.H

@@ -74,7 +74,6 @@ public:
   virtual int ready();
   virtual void grab(Fl_Window* win);
   // --- global colors
-  virtual int parse_color(const char* p, uchar& r, uchar& g, uchar& b);
   virtual void get_system_colors();
   virtual const char *get_system_scheme();
   // --- global timers

src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx

@@ -167,31 +167,6 @@ void Fl_Cocoa_Screen_Driver::grab(Fl_Window* win)
 }
 
 
-// simulation of XParseColor:
-int Fl_Cocoa_Screen_Driver::parse_color(const char* p, uchar& r, uchar& g, uchar& b)
-{
-  if (*p == '#') p++;
-  size_t n = strlen(p);
-  size_t m = n/3;
-  const char *pattern = 0;
-  switch(m) {
-    case 1: pattern = "%1x%1x%1x"; break;
-    case 2: pattern = "%2x%2x%2x"; break;
-    case 3: pattern = "%3x%3x%3x"; break;
-    case 4: pattern = "%4x%4x%4x"; break;
-    default: return 0;
-  }
-  int R,G,B; if (sscanf(p,pattern,&R,&G,&B) != 3) return 0;
-  switch(m) {
-    case 1: R *= 0x11; G *= 0x11; B *= 0x11; break;
-    case 3: R >>= 4; G >>= 4; B >>= 4; break;
-    case 4: R >>= 8; G >>= 8; B >>= 8; break;
-  }
-  r = (uchar)R; g = (uchar)G; b = (uchar)B;
-  return 1;
-}
-
-
 static void set_selection_color(uchar r, uchar g, uchar b)
 {
   Fl::set_color(FL_SELECTION_COLOR,r,g,b);

src/drivers/Pico/Fl_Pico_Screen_Driver.H

@@ -48,7 +48,6 @@ public:
   virtual int ready();
   virtual void grab(Fl_Window* win);
   // --- global colors
-  virtual int parse_color(const char* p, uchar& r, uchar& g, uchar& b);
   virtual void get_system_colors();
   // --- global timers
   virtual void add_timeout(double time, Fl_Timeout_Handler cb, void *argp);

src/drivers/Pico/Fl_Pico_Screen_Driver.cxx

@@ -108,12 +108,6 @@ void Fl_Pico_Screen_Driver::grab(Fl_Window* win)
 }
 
 
-int Fl_Pico_Screen_Driver::parse_color(const char* p, uchar& r, uchar& g, uchar& b)
-{
-  return 0;
-}
-
-
 void Fl_Pico_Screen_Driver::get_system_colors()
 {
 }

src/drivers/WinAPI/Fl_WinAPI_Screen_Driver.H

@@ -70,7 +70,6 @@ public:
   virtual int ready();
   virtual void grab(Fl_Window* win);
   // --- global colors
-  virtual int parse_color(const char* p, uchar& r, uchar& g, uchar& b);
   virtual void get_system_colors();
   virtual const char *get_system_scheme();
   // --- global timers

src/drivers/WinAPI/Fl_WinAPI_Screen_Driver.cxx

@@ -299,31 +299,6 @@ void Fl_WinAPI_Screen_Driver::grab(Fl_Window* win)
 }
 
 
-// simulation of XParseColor:
-int Fl_WinAPI_Screen_Driver::parse_color(const char* p, uchar& r, uchar& g, uchar& b)
-{
-  if (*p == '#') p++;
-  size_t n = strlen(p);
-  size_t m = n/3;
-  const char *pattern = 0;
-  switch(m) {
-    case 1: pattern = "%1x%1x%1x"; break;
-    case 2: pattern = "%2x%2x%2x"; break;
-    case 3: pattern = "%3x%3x%3x"; break;
-    case 4: pattern = "%4x%4x%4x"; break;
-    default: return 0;
-  }
-  int R,G,B; if (sscanf(p,pattern,&R,&G,&B) != 3) return 0;
-  switch(m) {
-    case 1: R *= 0x11; G *= 0x11; B *= 0x11; break;
-    case 3: R >>= 4; G >>= 4; B >>= 4; break;
-    case 4: R >>= 8; G >>= 8; B >>= 8; break;
-  }
-  r = (uchar)R; g = (uchar)G; b = (uchar)B;
-  return 1;
-}
-
-
 static void set_selection_color(uchar r, uchar g, uchar b)
 {
   Fl::set_color(FL_SELECTION_COLOR,r,g,b);