Remove duplicated code between derived classes of Fl_Graphics_Driver.

FL/Fl_Graphics_Driver.H

@@ -173,6 +173,9 @@ protected:
   static const int region_stack_max = FL_REGION_STACK_SIZE - 1; ///< For internal use by FLTK
   Fl_Region rstack[FL_REGION_STACK_SIZE]; ///< For internal use by FLTK
   Fl_Font_Descriptor *font_descriptor_; ///< For internal use by FLTK
+  int p_size;
+  typedef struct { float x; float y; } XPOINT;
+  XPOINT *p;
 #ifndef FL_DOXYGEN
   enum {LINE, LOOP, POLYGON, POINT_};
   inline int vertex_no() { return n; }
@@ -303,6 +306,7 @@ public:
   virtual double transform_dx(double x, double y);
   virtual double transform_dy(double x, double y);
   virtual void transformed_vertex(double xf, double yf);
+  virtual void transformed_vertex0(float x, float y);
   virtual void vertex(double x, double y);
   virtual void end_points();
   virtual void end_line();
@@ -486,7 +490,6 @@ protected:
   void draw_image_mono(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D=1);
 
   void transformed_vertex(double xf, double yf);
-  virtual void transformed_vertex0(float x, float y);
   void vertex(double x, double y);
   virtual float override_scale();
   virtual void restore_scale(float);

src/Fl_Graphics_Driver.cxx

@@ -49,6 +49,8 @@ Fl_Graphics_Driver::Fl_Graphics_Driver()
   fl_matrix = &m;
   font_descriptor_ = NULL;
   scale_ = 1;
+  p_size = 0;
+  p = NULL;
 };
 
 /** Return the graphics driver used when drawing to the platform's display */
@@ -497,10 +499,14 @@ int Fl_Graphics_Driver::not_clipped(int x, int y, int w, int h) {return 1;}
 void Fl_Graphics_Driver::begin_complex_polygon() {}
 
 /** see fl_transformed_vertex() */
-void Fl_Graphics_Driver::transformed_vertex(double xf, double yf) {}
+void Fl_Graphics_Driver::transformed_vertex(double xf, double yf) {
+  transformed_vertex0(float(xf), float(yf));
+}
 
 /** see fl_vertex() */
-void Fl_Graphics_Driver::vertex(double x, double y) {}
+void Fl_Graphics_Driver::vertex(double x, double y) {
+  transformed_vertex(x*m.a + y*m.c + m.x, x*m.b + y*m.d + m.y);
+}
 
 /** see fl_end_points() */
 void Fl_Graphics_Driver::end_points() {}
@@ -633,6 +639,18 @@ float Fl_Graphics_Driver::override_scale() { return scale();}
 
 void Fl_Graphics_Driver::restore_scale(float) { }
 
+void Fl_Graphics_Driver::transformed_vertex0(float x, float y) {
+  if (!n || x != p[n-1].x || y != p[n-1].y) {
+    if (n >= p_size) {
+      p_size = p ? 2*p_size : 16;
+      p = (XPOINT*)realloc((void*)p, p_size*sizeof(*p));
+    }
+    p[n].x = x;
+    p[n].y = y;
+    n++;
+  }
+}
+
 /**
  \}
  \endcond
@@ -980,8 +998,6 @@ void Fl_Scalable_Graphics_Driver::draw_image_mono_unscaled(const uchar* buf, int
 
 void Fl_Scalable_Graphics_Driver::draw_image_mono_unscaled(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D) {}
 
-void Fl_Scalable_Graphics_Driver::transformed_vertex0(float x, float y) {}
-
 float Fl_Scalable_Graphics_Driver::override_scale() {
   float s = scale();
   if (s != 1.f) {

src/drivers/GDI/Fl_GDI_Graphics_Driver.H

@@ -49,10 +49,9 @@ protected:
   int counts[20];
   uchar *mask_bitmap_;
   uchar **mask_bitmap() {return &mask_bitmap_;}
-  int p_size;
   POINT *p;
 public:
-  Fl_GDI_Graphics_Driver() {mask_bitmap_ = NULL; gc_ = NULL; p_size = 0; p = NULL; depth = -1; origins = NULL;}
+  Fl_GDI_Graphics_Driver() {mask_bitmap_ = NULL; gc_ = NULL; p = NULL; depth = -1; origins = NULL;}
   virtual ~Fl_GDI_Graphics_Driver() { if (p) free(p); delete[] origins;}
   virtual int has_feature(driver_feature mask) { return mask & NATIVE; }
   char can_do_alpha_blending();

src/drivers/OpenGL/Fl_OpenGL_Graphics_Driver.H

@@ -51,7 +51,6 @@ public:
   int not_clipped(int x, int y, int w, int h);
   void restore_clip();
   void transformed_vertex(double xf, double yf);
-  void vertex(double x, double y);
   void begin_points();
   void end_points();
   void begin_line();

src/drivers/OpenGL/Fl_OpenGL_Graphics_Driver_vertex.cxx

@@ -94,10 +94,6 @@ void Fl_OpenGL_Graphics_Driver::transformed_vertex(double xf, double yf) {
   glVertex2d(xf, yf);
 }
 
-void Fl_OpenGL_Graphics_Driver::vertex(double x,double y) {
-  transformed_vertex(x*m.a + y*m.c + m.x, x*m.b + y*m.d + m.y);
-}
-
 void Fl_OpenGL_Graphics_Driver::circle(double cx, double cy, double r) {
   double rx = r * (m.c ? sqrt(m.a*m.a+m.c*m.c) : fabs(m.a));
   double ry = r * (m.b ? sqrt(m.b*m.b+m.d*m.d) : fabs(m.d));

src/drivers/Quartz/Fl_Quartz_Graphics_Driver.H

@@ -50,9 +50,6 @@ class Fl_Quartz_Graphics_Driver : public Fl_Graphics_Driver {
   friend class Fl_Quartz_Font_Descriptor;
 protected:
   CGContextRef gc_;
-  int p_size;
-  typedef struct { float x; float y; } XPOINT;
-  XPOINT *p;
   bool high_resolution_;
   float quartz_line_width_;
   CGLineCap quartz_line_cap_;
@@ -90,9 +87,7 @@ public:
   void XDestroyRegion(Fl_Region r);
   void high_resolution(bool b) { high_resolution_ = b; }
 protected:
-  void transformed_vertex0(float x, float y);
   void fixloop();
-  // --- implementation is in src/fl_rect.cxx which includes src/cfg_gfx/quartz_rect.cxx
   void point(int x, int y);
   void rect(int x, int y, int w, int h);
   void focus_rect(int x, int y, int w, int h);
@@ -114,10 +109,7 @@ protected:
   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 begin_complex_polygon();
-  void transformed_vertex(double xf, double yf);
-  void vertex(double x, double y);
   void end_points();
   void end_line();
   void end_loop();
@@ -125,19 +117,13 @@ protected:
   void end_complex_polygon();
   void gap();
   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 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);
   void set_color(Fl_Color i, unsigned int c);
   Fl_Color color() { return color_; }
   void color(uchar r, uchar g, uchar b);
-  // --- implementation is in src/fl_font.cxx which includes src/cfg_gfx/xxx_font.cxx
   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);

src/drivers/Quartz/Fl_Quartz_Graphics_Driver.cxx

@@ -52,7 +52,7 @@ Fl_Graphics_Driver *Fl_Graphics_Driver::newMainGraphicsDriver()
   return new Fl_Quartz_Graphics_Driver();
 }
 
-Fl_Quartz_Graphics_Driver::Fl_Quartz_Graphics_Driver() : Fl_Graphics_Driver(), gc_(NULL), p_size(0), p(NULL) {
+Fl_Quartz_Graphics_Driver::Fl_Quartz_Graphics_Driver() : Fl_Graphics_Driver(), gc_(NULL) {
   quartz_line_width_ = 1.f;
   quartz_line_cap_ = kCGLineCapButt;
   quartz_line_join_ = kCGLineJoinMiter;

src/drivers/Quartz/Fl_Quartz_Graphics_Driver_vertex.cxx

@@ -27,14 +27,6 @@
 #include <FL/math.h>
 
 
-void Fl_Quartz_Graphics_Driver::transformed_vertex(double xf, double yf) {
-  transformed_vertex0(float(xf), float(yf));
-}
-
-void Fl_Quartz_Graphics_Driver::vertex(double x,double y) {
-  transformed_vertex0(float(x*m.a + y*m.c + m.x), float(x*m.b + y*m.d + m.y));
-}
-
 void Fl_Quartz_Graphics_Driver::end_points() {
   if (quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(gc_, true);
   for (int i=0; i<n; i++) {
@@ -130,18 +122,6 @@ void Fl_Quartz_Graphics_Driver::circle(double x, double y,double r) {
   CGContextSetShouldAntialias(gc_, false);
 }
 
-void Fl_Quartz_Graphics_Driver::transformed_vertex0(float x, float y) {
-  if (!n || x != p[n-1].x || y != p[n-1].y) {
-   if (n >= p_size) {
-   p_size = p ? 2*p_size : 16;
-   p = (XPOINT*)realloc((void*)p, p_size*sizeof(*p));
-   }
-   p[n].x = x;
-   p[n].y = y;
-   n++;
-   }
-}
-
 void Fl_Quartz_Graphics_Driver::fixloop() {  // remove equal points from closed path
   while (n>2 && p[n-1].x == p[0].x && p[n-1].y == p[0].y) n--;
 }

src/drivers/SVG/Fl_SVG_File_Surface.cxx

@@ -53,9 +53,6 @@ class Fl_SVG_Graphics_Driver : public Fl_Graphics_Driver {
   uchar red_, green_, blue_;
   char *dasharray_; // the dash array as SVG needs it
   char *user_dash_array_; // the dash array as FLTK needs it
-  int p_size;
-  typedef struct { float x; float y; } XPOINT;
-  XPOINT *p;
   class Clip {
   public:
     int x, y, w, h; // the clip rectangle
@@ -113,9 +110,6 @@ protected:
   void loop(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
   void loop(int x0, int y0, int x1, int y1, int x2, int y2);
   void point(int x, int y);
-  void transformed_vertex0(float x, float y);
-  void transformed_vertex(double xf, double yf);
-  void vertex(double x,double y);
   void end_points();
   void end_line();
   void fixloop();
@@ -862,26 +856,6 @@ void Fl_SVG_Graphics_Driver::loop(int x0, int y0, int x1, int y1, int x2, int y2
           x0, y0, x1, y1, x2, y2, red_, green_, blue_, width_, linejoin_, linecap_, dasharray_);
 }
 
-void Fl_SVG_Graphics_Driver::transformed_vertex0(float x, float y) {
-  if (!n || x != p[n-1].x || y != p[n-1].y) {
-    if (n >= p_size) {
-      p_size = p ? 2*p_size : 16;
-      p = (XPOINT*)realloc((void*)p, p_size*sizeof(*p));
-    }
-   p[n].x = x;
-   p[n].y = y;
-   n++;
-   }
-}
-
-void Fl_SVG_Graphics_Driver::transformed_vertex(double xf, double yf) {
-  transformed_vertex0(float(xf), float(yf));
-}
-
-void Fl_SVG_Graphics_Driver::vertex(double x,double y) {
-  transformed_vertex0(float(x*m.a + y*m.c + m.x), float(x*m.b + y*m.d + m.y));
-}
-
 void Fl_SVG_Graphics_Driver::end_points() {
   for (int i=0; i<n; i++) {
     fprintf(out_, "<path d=\"M %f %f L %f %f\" fill=\"none\" stroke=\"rgb(%u,%u,%u)\" stroke-width=\"%d\" />\n",

src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H

@@ -94,7 +94,6 @@ private:
   static GC gc_;
   uchar *mask_bitmap_;
   uchar **mask_bitmap() {return &mask_bitmap_;}
-  int p_size;
   typedef struct {short x, y;} XPOINT;
   XPOINT *p;
 #if USE_XFT

src/drivers/Xlib/Fl_Xlib_Graphics_Driver.cxx

@@ -49,7 +49,6 @@ GC fl_gc = 0;
 
 Fl_Xlib_Graphics_Driver::Fl_Xlib_Graphics_Driver(void) {
   mask_bitmap_ = NULL;
-  p_size = 0;
   p = NULL;
   line_delta_ = 0;
 #if USE_PANGO