more pixel rounding (small range icon)

diff --git a/libs/gtkmm2ext/ardour_icon.cc b/libs/gtkmm2ext/ardour_icon.cc
index bed6c0ac92bc745f183a01fb34525eac86005b1e..5c73296d270c289bb696a897562a587323d03ca6 100644 (file)
--- a/libs/gtkmm2ext/ardour_icon.cc
+++ b/libs/gtkmm2ext/ardour_icon.cc
@@ -141,17 +141,19 @@ static void icon_tool_range (cairo_t *cr, const int width, const int height)
        const double lw = rint (wh / 6.0); // line width
        const double ar = wh * .6; // arrow
 
-       const double bw = rint (wh);
+       const double bw = ceil (wh) - .5;
        const double y0 = ceil (y);
        const double ym = rint (y0 - wh * .1) + .5; // arrow-horizontal; slightly to the top, on a px
-       const double x0 = rint(x - wh); // left arrow tip
-       const double x1 = rint(x + wh); // right arrow tip
+       const double x0 = rint (x) - bw; // left arrow tip
+       const double x1 = rint (x) + bw; // right arrow tip
 
        // left and right box
-       cairo_rectangle (cr, x0 - lw, y0 - bw, 2 * lw,  2 * bw);
-       VECTORICONSTROKEFILL(1.0);
-       cairo_rectangle (cr, x1 - lw, y0 - bw, 2 * lw,  2 * bw);
-       VECTORICONSTROKEFILL(1.0);
+       cairo_move_to (cr, x0, y0 - bw);
+       cairo_line_to (cr, x0, y0 + bw);
+       VECTORICONSTROKEOUTLINE(lw, 0xffffffff);
+       cairo_move_to (cr, x1, y0 - bw);
+       cairo_line_to (cr, x1, y0 + bw);
+       VECTORICONSTROKEOUTLINE(lw, 0xffffffff);
 
        // arrows
        cairo_move_to (cr, x0 + ar, ym - ar);
@@ -168,10 +170,17 @@ static void icon_tool_range (cairo_t *cr, const int width, const int height)
        VECTORICONSTROKEOUTLINE(lw, 0xffffffff);
 
        cairo_set_source_rgba (cr, 1, 1, 1, 1.0);
-       cairo_rectangle (cr, x0 - lw, y0 - wh, 2 * lw,  2 * wh);
-       cairo_fill (cr);
-       cairo_rectangle (cr, x1 - lw, y0 - wh, 2 * lw,  2 * wh);
-       cairo_fill (cr);
+       cairo_set_line_width (cr, lw);
+
+       cairo_move_to (cr, x0, y0 - bw);
+       cairo_line_to (cr, x0, y0 + bw);
+       cairo_stroke (cr);
+
+       cairo_move_to (cr, x1, y0 - bw);
+       cairo_line_to (cr, x1, y0 + bw);
+       cairo_stroke (cr);
+
+
 }
 
 /** Grab/Object tool - 6x8em "hand", with 'em' wide index finger. */