diff options
author | Paul Davis <paul@linuxaudiosystems.com> | 2011-10-26 20:56:57 +0000 |
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committer | Paul Davis <paul@linuxaudiosystems.com> | 2011-10-26 20:56:57 +0000 |
commit | ae3eb6e3f4f270a03ff297d1bbe7cd3f3a2159a9 (patch) | |
tree | 5764dee73dc1cc56f021bc696e3a5ab75f5098fc | |
parent | 56d397495a0f3ec4e8cfba23c6a7d98a849f3844 (diff) |
provide C API for rounded rectangle cairo utility
git-svn-id: svn://localhost/ardour2/branches/3.0@10310 d708f5d6-7413-0410-9779-e7cbd77b26cf
-rw-r--r-- | libs/gtkmm2ext/gtkmm2ext/utils.h | 1 | ||||
-rw-r--r-- | libs/gtkmm2ext/utils.cc | 32 |
2 files changed, 24 insertions, 9 deletions
diff --git a/libs/gtkmm2ext/gtkmm2ext/utils.h b/libs/gtkmm2ext/gtkmm2ext/utils.h index 370dd02b76..82eeaf71ea 100644 --- a/libs/gtkmm2ext/gtkmm2ext/utils.h +++ b/libs/gtkmm2ext/gtkmm2ext/utils.h @@ -98,6 +98,7 @@ namespace Gtkmm2ext { void container_clear (Gtk::Container&); void rounded_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r=10); + void rounded_rectangle (cairo_t*, double x, double y, double w, double h, double r=10); }; #endif /* __gtkmm2ext_utils_h__ */ diff --git a/libs/gtkmm2ext/utils.cc b/libs/gtkmm2ext/utils.cc index 19b6f2c46b..58adb74f6f 100644 --- a/libs/gtkmm2ext/utils.cc +++ b/libs/gtkmm2ext/utils.cc @@ -399,15 +399,29 @@ Gtkmm2ext::rounded_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, d G D F****E */ - context->move_to(x+r,y); // Move to A - context->line_to(x+w-r,y); // Straight line to B - context->curve_to(x+w,y,x+w,y,x+w,y+r); // Curve to C, Control points are both at Q - context->line_to(x+w,y+h-r); // Move to D - context->curve_to(x+w,y+h,x+w,y+h,x+w-r,y+h); // Curve to E - context->line_to(x+r,y+h); // Line to F - context->curve_to(x,y+h,x,y+h,x,y+h-r); // Curve to G - context->line_to(x,y+r); // Line to H - context->curve_to(x,y,x,y,x+r,y); // Curve to A + rounded_rectangle (context->cobj(), x, y, w, h, r); +} + +void +Gtkmm2ext::rounded_rectangle (cairo_t* cr, double x, double y, double w, double h, double r) +{ + /* renders small shapes better than most others */ + +/* A****BQ + H C + * * + G D + F****E +*/ + cairo_move_to (cr, x+r,y); // Move to A + cairo_line_to (cr, x+w-r,y); // Straight line to B + cairo_curve_to (cr, x+w,y,x+w,y,x+w,y+r); // Curve to C, Control points are both at Q + cairo_line_to (cr, x+w,y+h-r); // Move to D + cairo_curve_to (cr, x+w,y+h,x+w,y+h,x+w-r,y+h); // Curve to E + cairo_line_to (cr, x+r,y+h); // Line to F + cairo_curve_to (cr, x,y+h,x,y+h,x,y+h-r); // Curve to G + cairo_line_to (cr, x,y+r); // Line to H + cairo_curve_to (cr, x,y,x,y,x+r,y); // Curve to A } #else |