Unification of scaled coordinate calculations in class Fl_Scalable_Graphics_Driver

Most coordinate calculations are done with the new inline function
 int Fl_Scalable_Graphics_Driver::floor(int coord)
that is used by both the Windows and X11 platforms.

1 files changed, 17 insertions, 1 deletions

diff --git a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_line_style.cxx b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_line_style.cxx
index 606b82920..1aaeceea1 100644
--- a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_line_style.cxx
+++ b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_line_style.cxx
@@ -26,7 +26,7 @@
 
 #include "Fl_Xlib_Graphics_Driver.H"
 
-void Fl_Xlib_Graphics_Driver::line_style_unscaled(int style, float width, char* dashes) {
+void Fl_Xlib_Graphics_Driver::line_style_unscaled(int style, int width, char* dashes) {
 
   int ndashes = dashes ? strlen(dashes) : 0;
   // emulate the Windows dash patterns on X
@@ -61,3 +61,19 @@ if (*dashes == 0) ndashes = 0;//against error with very small scaling
                      Cap[(style>>8)&3], Join[(style>>12)&3]);
   if (ndashes) XSetDashes(fl_display, gc_, 0, dashes, ndashes);
 }
+
+void *Fl_Xlib_Graphics_Driver::change_pen_width(int lwidth) {
+  XGCValues *gc_values = (XGCValues*)malloc(sizeof(XGCValues));
+  gc_values->line_width = lwidth;
+  XChangeGC(fl_display, gc_, GCLineWidth, gc_values);
+  gc_values->line_width = line_width_;
+  line_width_ = lwidth;
+  return gc_values;
+}
+
+void Fl_Xlib_Graphics_Driver::reset_pen_width(void *data) {
+  XGCValues *gc_values = (XGCValues*)data;
+  line_width_ = gc_values->line_width;
+  XChangeGC(fl_display, gc_, GCLineWidth, gc_values);
+  delete gc_values;
+}