commit 81a4b7329c631ce337d8dee8b98ab602aa5f8525
Author:     ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
AuthorDate: Mon Mar 1 11:20:03 2021 +0100
Commit:     ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
CommitDate: Mon Mar 1 11:20:15 2021 +0100

    Remove warnings about hidden virtual member functions.

 FL/Fl_SVG_File_Surface.H                           |  1 +
 src/Fl_Graphics_Driver.cxx                         |  5 +++-
 src/drivers/OpenGL/Fl_OpenGL_Graphics_Driver.H     | 12 ++++------
 .../OpenGL/Fl_OpenGL_Graphics_Driver_arci.cxx      |  4 ++++
 .../OpenGL/Fl_OpenGL_Graphics_Driver_font.cxx      | 13 ++++++++++
 src/drivers/PostScript/Fl_PostScript.cxx           |  4 ++++
 .../PostScript/Fl_PostScript_Graphics_Driver.H     |  2 ++
 src/drivers/SVG/Fl_SVG_File_Surface.cxx            | 28 +++++++++++++++++++++-
 8 files changed, 60 insertions(+), 9 deletions(-)

diff --git FL/Fl_SVG_File_Surface.H FL/Fl_SVG_File_Surface.H
index 67d0aa4..3599199 100644
--- FL/Fl_SVG_File_Surface.H
+++ FL/Fl_SVG_File_Surface.H
@@ -66,6 +66,7 @@ public:
   /** Returns the underlying FILE pointer */
   FILE *file();
   virtual void origin(int x, int y);
+  virtual void origin(int *x, int *y);
   virtual void translate(int x, int y);
   virtual void untranslate();
   virtual int printable_rect(int *w, int *h);
diff --git src/Fl_Graphics_Driver.cxx src/Fl_Graphics_Driver.cxx
index 43e7541..547526e 100644
--- src/Fl_Graphics_Driver.cxx
+++ src/Fl_Graphics_Driver.cxx
@@ -575,7 +575,10 @@ Fl_Fontsize Fl_Graphics_Driver::size() {return size_; }
 double Fl_Graphics_Driver::width(const char *str, int nChars) { return 0; }
 
 /** Compute the width of Unicode character \p c if drawn with current font */
-double Fl_Graphics_Driver::width(unsigned int c) { char ch = (char)c; return width(&ch, 1); }
+double Fl_Graphics_Driver::width(unsigned int c) {
+  char buf[4];
+  return width(buf, fl_utf8encode (c, buf));
+}
 
 /** Return the current line height */
 int Fl_Graphics_Driver::height() { return size(); }
diff --git src/drivers/OpenGL/Fl_OpenGL_Graphics_Driver.H src/drivers/OpenGL/Fl_OpenGL_Graphics_Driver.H
index f5de053..46dba53 100644
--- src/drivers/OpenGL/Fl_OpenGL_Graphics_Driver.H
+++ src/drivers/OpenGL/Fl_OpenGL_Graphics_Driver.H
@@ -50,8 +50,6 @@ public:
   int clip_box(int x, int y, int w, int h, int &X, int &Y, int &W, int &H);
   int not_clipped(int x, int y, int w, int h);
   void restore_clip();
-  // --- implementation is in src/fl_vertex.cxx which includes src/cfg_gfx/xxx_rect.cxx
-  //void transformed_vertex0(double x, double y);
   void transformed_vertex(double xf, double yf);
   void vertex(double x, double y);
   void begin_points();
@@ -67,21 +65,21 @@ public:
   void end_complex_polygon();
   void fixloop();
   void circle(double x, double y, double r);
-  // --- implementation is in src/fl_arc.cxx which includes src/cfg_gfx/xxx_arc.cxx if needed
-  // using void Fl_Graphics_Driver::arc(double x, double y, double r, double start, double end);
-  // --- implementation is in src/fl_arci.cxx which includes src/cfg_gfx/xxx_arci.cxx
   void arc(int x, int y, int w, int h, double a1, double a2);
+  void arc(double x, double y, double r, double start, double end);
   void pie(int x, int y, int w, int h, double a1, double a2);
-  // --- implementation is in src/fl_line_style.cxx which includes src/cfg_gfx/xxx_line_style.cxx
   void line_style(int style, int width=0, char* dashes=0);
-  // --- implementation is in src/fl_color.cxx which includes src/cfg_gfx/xxx_color.cxx
   void color(Fl_Color c);
   Fl_Color color() { return color_; }
   void color(uchar r, uchar g, uchar b);
   // --- implementation is in Fl_OpenGL_Graphics_Driver_font.cxx
   void font(Fl_Font face, Fl_Fontsize fsize);
+  Fl_Font font();
   void draw(const char *str, int n, int x, int y);
+  void draw(const char *str, int n, float x, float y);
+  void draw(int angle, const char *str, int n, int x, int y);
   double width(const char *str, int n);
+  double width(unsigned int c);
   void text_extents(const char*, int n, int& dx, int& dy, int& w, int& h);
   int height();
   int descent();
diff --git src/drivers/OpenGL/Fl_OpenGL_Graphics_Driver_arci.cxx src/drivers/OpenGL/Fl_OpenGL_Graphics_Driver_arci.cxx
index ba5a7e7..f933d10 100644
--- src/drivers/OpenGL/Fl_OpenGL_Graphics_Driver_arci.cxx
+++ src/drivers/OpenGL/Fl_OpenGL_Graphics_Driver_arci.cxx
@@ -46,6 +46,10 @@ void Fl_OpenGL_Graphics_Driver::arc(int x,int y,int w,int h,double a1,double a2)
   glEnd();
 }
 
+void Fl_OpenGL_Graphics_Driver::arc(double x, double y, double r, double start, double end) {
+  Fl_Graphics_Driver::arc(x, y, r, start, end);
+}
+
 void Fl_OpenGL_Graphics_Driver::pie(int x,int y,int w,int h,double a1,double a2) {
   if (w <= 0 || h <= 0) return;
   while (a2<a1) a2 += 360.0;  // TODO: write a sensible fmod angle alignment here
diff --git src/drivers/OpenGL/Fl_OpenGL_Graphics_Driver_font.cxx src/drivers/OpenGL/Fl_OpenGL_Graphics_Driver_font.cxx
index fc6bc48..c6a266b 100644
--- src/drivers/OpenGL/Fl_OpenGL_Graphics_Driver_font.cxx
+++ src/drivers/OpenGL/Fl_OpenGL_Graphics_Driver_font.cxx
@@ -172,11 +172,22 @@ FL_EXPORT int glutStrokeWidth(void *font, int character);
 // use gl_font()/gl_draw() to draw GL text
 
 void Fl_OpenGL_Graphics_Driver::font(Fl_Font face, Fl_Fontsize fsize) {
+  Fl_Graphics_Driver::font(face, fsize);
   Fl_Surface_Device::push_current(Fl_Display_Device::display_device());
   gl_font(face, fsize);
   Fl_Surface_Device::pop_current();
 }
 
+Fl_Font Fl_OpenGL_Graphics_Driver::font() {
+  return Fl_Graphics_Driver::font();
+}
+
+void Fl_OpenGL_Graphics_Driver::draw(const char *str, int n, float x, float y) {
+  this->draw(str, n, int(x), int(y));
+}
+
+void Fl_OpenGL_Graphics_Driver::draw(int angle, const char *str, int n, int x, int y) {}
+
 void Fl_OpenGL_Graphics_Driver::draw(const char* str, int n, int x, int y) {
   Fl_Surface_Device::push_current(Fl_Display_Device::display_device());
   gl_draw(str, n, x, y);
@@ -190,6 +201,8 @@ double Fl_OpenGL_Graphics_Driver::width(const char *str, int n) {
   return w;
 }
 
+double Fl_OpenGL_Graphics_Driver::width(unsigned int c) { return Fl_Graphics_Driver::width(c); }
+
 int Fl_OpenGL_Graphics_Driver::descent() {
   Fl_Surface_Device::push_current(Fl_Display_Device::display_device());
   int d = fl_descent();
diff --git src/drivers/PostScript/Fl_PostScript.cxx src/drivers/PostScript/Fl_PostScript.cxx
index a2d17ff..4ddd1f4 100644
--- src/drivers/PostScript/Fl_PostScript.cxx
+++ src/drivers/PostScript/Fl_PostScript.cxx
@@ -174,6 +174,8 @@ void Fl_PostScript_Graphics_Driver::font(int f, int s) {
 #endif
 }
 
+Fl_Font Fl_PostScript_Graphics_Driver::font() { return Fl_Graphics_Driver:: font(); }
+
 double Fl_PostScript_Graphics_Driver::width(const char *s, int n) {
   return Fl_Graphics_Driver::default_driver().width(s, n);
 }
@@ -200,6 +202,8 @@ void Fl_PostScript_Graphics_Driver::color(Fl_Color c) {
   color(cr_, cg_, cb_);
 }
 
+Fl_Color Fl_PostScript_Graphics_Driver::color() { return Fl_Graphics_Driver::color(); }
+
 void Fl_PostScript_Graphics_Driver::point(int x, int y){
   rectf(x,y,1,1);
 }
diff --git src/drivers/PostScript/Fl_PostScript_Graphics_Driver.H src/drivers/PostScript/Fl_PostScript_Graphics_Driver.H
index d41a0a5..829e09d 100644
--- src/drivers/PostScript/Fl_PostScript_Graphics_Driver.H
+++ src/drivers/PostScript/Fl_PostScript_Graphics_Driver.H
@@ -133,6 +133,7 @@ public:
   // implementation of drawing methods
   void color(Fl_Color c);
   void color(uchar r, uchar g, uchar b);
+  Fl_Color color();
 
   void push_clip(int x, int y, int w, int h);
   int clip_box(int x, int y, int w, int h, int &X, int &Y, int &W, int &H);
@@ -191,6 +192,7 @@ public:
   void draw(int angle, const char *str, int n, int x, int y);
   void rtl_draw(const char* s, int n, int x, int y);
   void font(int face, int size);
+  Fl_Font font();
   double width(const char *, int);
   double width(unsigned int u);
   void text_extents(const char *c, int n, int &dx, int &dy, int &w, int &h);
diff --git src/drivers/SVG/Fl_SVG_File_Surface.cxx src/drivers/SVG/Fl_SVG_File_Surface.cxx
index c3aa3ce..af63f22 100644
--- src/drivers/SVG/Fl_SVG_File_Surface.cxx
+++ src/drivers/SVG/Fl_SVG_File_Surface.cxx
@@ -78,15 +78,19 @@ protected:
   void compute_dasharray(float s, char *dashes=0);
   void line_style(int style, int width, char *dashes=0);
   void line(int x1, int y1, int x2, int y2);
+  void line(int x1, int y1, int x2, int y2, int x3, int y3);
   void font_(int f, int s);
   void font(int f, int s);
+  Fl_Font font();
   void draw(const char *str, int n, int x, int y);
   void draw(const char*, int, float, float) ;
   void draw(int, const char*, int, int, int) ;
   void rtl_draw(const char *str, int n, int x, int y);
   void color(uchar r, uchar g, uchar b);
   void color(Fl_Color c);
-  double width(const char*, int) ;
+  Fl_Color color();
+  double width(const char*, int);
+  double width(unsigned int c);
   void text_extents(const char*, int n, int& dx, int& dy, int& w, int& h);
   int height() ;
   int descent() ;
@@ -122,6 +126,7 @@ protected:
   void end_complex_polygon();
   void circle(double x, double y,double r);
   void arc(int x,int y,int w,int h,double a1,double a2);
+  void arc(double x, double y, double r, double start, double end);
   void pie(int x,int y,int w,int h,double a1,double a2);
   void arc_pie(char AorP, int x, int y, int w, int h, double a1, double a2);
 };
@@ -179,6 +184,13 @@ void Fl_SVG_Graphics_Driver::line(int x1, int y1, int x2, int y2) {
           x1,y1,x2,y2, red_, green_, blue_, width_, linecap_, linejoin_, dasharray_);
 }
 
+void Fl_SVG_Graphics_Driver::line(int x1, int y1, int x2, int y2, int x3, int y3) {
+  fprintf(out_,
+          "<path d=\"M %d %d L %d %d L %d %d \" "
+          "style=\"stroke:rgb(%u,%u,%u);fill:none;stroke-width:%d;stroke-linecap:%s;stroke-linejoin:%s;stroke-dasharray:%s\" />\n",
+  x1, y1, x2, y2, x3, y3, red_, green_, blue_, width_, linecap_, linejoin_, dasharray_);
+}
+
 void Fl_SVG_Graphics_Driver::font_(int ft, int s) {
   Fl_Graphics_Driver::font(ft, s);
   int famnum = ft/4;
@@ -198,6 +210,8 @@ void Fl_SVG_Graphics_Driver::font(int ft, int s) {
   font_(ft, s);
 }
 
+Fl_Font Fl_SVG_Graphics_Driver::font() { return Fl_Graphics_Driver::font(); }
+
 void Fl_SVG_Graphics_Driver::compute_dasharray(float s, char *dashes) {
   if (user_dash_array_ && user_dash_array_ != dashes) {free(user_dash_array_); user_dash_array_ = NULL;}
   if (dashes && *dashes) {
@@ -288,10 +302,16 @@ void Fl_SVG_Graphics_Driver::color(uchar r, uchar g, uchar b) {
   blue_ = b;
 }
 
+Fl_Color Fl_SVG_Graphics_Driver::color() { return Fl_Graphics_Driver::color(); }
+
 double Fl_SVG_Graphics_Driver::width(const char* str, int l) {
  return Fl_Display_Device::display_device()->driver()->width(str, l);
 }
 
+double Fl_SVG_Graphics_Driver::width(unsigned int c) {
+  return Fl_Display_Device::display_device()->driver()->width(c);
+}
+
 void Fl_SVG_Graphics_Driver::text_extents(const char *c, int n, int& dx, int& dy, int& w, int& h) {
   Fl::first_window()->make_current(); // to get a valid drawing gc
   Fl_Display_Device::display_device()->driver()->text_extents(c, n, dx, dy, w, h);
@@ -950,6 +970,10 @@ void Fl_SVG_Graphics_Driver::end_complex_polygon() {
   fprintf(out_, " z\" fill=\"rgb(%u,%u,%u)\" />\n", red_, green_, blue_);
 }
 
+void Fl_SVG_Graphics_Driver::arc(double x, double y, double r, double start, double end) {
+  Fl_Graphics_Driver::arc(x, y, r, start, end);
+}
+
 void Fl_SVG_Graphics_Driver::arc(int x, int y, int w, int h, double a1, double a2) {
   arc_pie('A', x, y, w, h, a1, a2);
 }
@@ -1018,3 +1042,5 @@ void Fl_SVG_File_Surface::untranslate() {}
 int Fl_SVG_File_Surface::printable_rect(int *w, int *h) {return 0;}
 
 #endif // FLTK_USE_SVG
+
+void Fl_SVG_File_Surface::origin(int *x, int *y) { Fl_Widget_Surface::origin(x, y);}