Finish removing platform-dependent code from Fl_PostScript.cxx

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11477 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/Fl_Graphics_Driver.H

@@ -238,6 +238,8 @@ public:
   virtual void mask_bitmap(uchar **) {}
   // default implementation may be enough
   virtual float scale_font_for_PostScript(Fl_Font_Descriptor *desc, int s) { return float(s); }
+  // default implementation may be enough
+  virtual float scale_bitmap_for_PostScript() { return 2; }
   // each platform implements that its own way
   static void add_rectangle_to_region(Fl_Region r, int x, int y, int w, int h);
 protected:

src/drivers/PostScript/Fl_PostScript.cxx

@@ -16,22 +16,14 @@
 //     http://www.fltk.org/str.php
 //
 
-#include <config.h>
 #include <FL/Fl.H>
-#include <FL/x.H>
 #include <FL/fl_ask.H>
 #include <FL/fl_draw.H>
 #include <stdio.h>
 #include <FL/Fl_PostScript.H>
 #include <FL/Fl_Native_File_Chooser.H>
 #include <FL/Fl_System_Driver.H>
 #include <stdarg.h>
-#if defined(USE_X11)
-#include <src/Fl_Font.H>
-#if USE_XFT
-#include <X11/Xft/Xft.h>
-#endif
-#endif
 
 /** \brief Label of the PostScript file chooser window */
 const char *Fl_PostScript_File_Device::file_chooser_title = "Select a .ps file";
@@ -1041,12 +1033,8 @@ static uchar *calc_mask(uchar *img, int w, int h, Fl_Color bg)
 // write to PostScript a bitmap image of a UTF8 string
 void Fl_PostScript_Graphics_Driver::transformed_draw_extra(const char* str, int n, double x, double y, int w, bool rtl)
 {
-  // scale for bitmask computation
-#if defined(USE_X11) && !USE_XFT
-  float scale = 1; // don't scale because we can't expect to have scalable fonts
-#else
-  float scale = 2;
-#endif
+  // scale for bitmask computation is set to 1 when we can't expect to have scalable fonts
+  float scale = Fl_Display_Device::display_device()->driver()->scale_bitmap_for_PostScript();
   Fl_Fontsize old_size = size();
   Fl_Font fontnum = Fl_Graphics_Driver::font();
   int w_scaled =  (int)(w * (scale + 0.5));
@@ -1060,11 +1048,11 @@ void Fl_PostScript_Graphics_Driver::transformed_draw_extra(const char* str, int
   // color offscreen background with a shade contrasting with the text color
   fl_rectf(0, 0, w_scaled, (int)(h+3*scale) );
   fl_color(text_color);
-#if defined(USE_X11) && !USE_XFT
-  // force seeing this font as new so it's applied to the offscreen graphics context
-  fl_graphics_driver->font_descriptor(NULL);
-  fl_font(fontnum, 0);
-#endif
+  if (scale < 1.5) {
+    // force seeing this font as new so it's applied to the offscreen graphics context
+    fl_graphics_driver->font_descriptor(NULL);
+    fl_font(fontnum, 0);
+  }
   fl_font(fontnum, (Fl_Fontsize)(scale * old_size) );
   int w2 = (int)fl_width(str, n);
   // draw string in offscreen

src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H

@@ -128,6 +128,7 @@ protected:
   Fl_Color color() { return color_; }
   void color(uchar r, uchar g, uchar b);
   virtual float scale_font_for_PostScript(Fl_Font_Descriptor *desc, int s);
+  virtual float scale_bitmap_for_PostScript();
 };
 
 

src/drivers/Xlib/Fl_Xlib_Graphics_Driver_font_x.cxx

@@ -693,6 +693,10 @@ float Fl_Xlib_Graphics_Driver::scale_font_for_PostScript(Fl_Font_Descriptor *des
   return ps_size;
 }
 
+float Fl_Xlib_Graphics_Driver::scale_bitmap_for_PostScript() {
+  return 1;
+}
+
 #endif // FL_DOXYGEN
 //
 // End of "$Id$".

src/drivers/Xlib/Fl_Xlib_Graphics_Driver_font_xft.cxx

@@ -1097,6 +1097,10 @@ float Fl_Xlib_Graphics_Driver::scale_font_for_PostScript(Fl_Font_Descriptor *des
   return ps_size;
 }
 
+float Fl_Xlib_Graphics_Driver::scale_bitmap_for_PostScript() {
+  return 2;
+}
+
 #endif // FL_DOXYGEN
 
 //