minimize meter-peak re-draw area

diff --git a/libs/gtkmm2ext/fastmeter.cc b/libs/gtkmm2ext/fastmeter.cc
index 265fc3f5673b88939a4b22ebb9936ba56175b931..b6ee91c6c1d88c632380cf641b6a7489a847a56d 100644 (file)
--- a/libs/gtkmm2ext/fastmeter.cc
+++ b/libs/gtkmm2ext/fastmeter.cc
@@ -587,9 +587,9 @@ FastMeter::vertical_expose (GdkEventExpose* ev)
                last_peak_rect.width = pixwidth;
                last_peak_rect.y = max(1, 1 + pixheight - (gint) floor (pixheight * current_peak));
                if (bright_hold || (_styleflags & 2)) {
-                       last_peak_rect.height = max(0, min(3, pixheight - last_peak_rect.y -1 ));
+                       last_peak_rect.height = max(0, min(3, pixheight - last_peak_rect.y - 1 ));
                } else {
-                       last_peak_rect.height = max(0, min(2, pixheight - last_peak_rect.y -1 ));
+                       last_peak_rect.height = max(0, min(2, pixheight - last_peak_rect.y - 1 ));
                }
 
                cairo_set_source (cr, fgpattern->cobj());
@@ -658,8 +658,8 @@ FastMeter::horizontal_expose (GdkEventExpose* ev)
                last_peak_rect.y = 1;
                last_peak_rect.height = pixheight;
                const int xpos = floor (pixwidth * current_peak);
-               if (bright_hold) {
-                       last_peak_rect.width = min(4, xpos );
+               if (bright_hold || (_styleflags & 2)) {
+                       last_peak_rect.width = min(3, xpos );
                } else {
                        last_peak_rect.width = min(2, xpos );
                }
@@ -788,8 +788,8 @@ FastMeter::queue_vertical_redraw (const Glib::RefPtr<Gdk::Window>& win, float ol
                }
                rect.x = 1;
                rect.y = max(1, 1 + pixheight - (gint) floor (pixheight * current_peak));
-               if (bright_hold) {
-                       rect.height = max(0, min(4, pixheight - last_peak_rect.y -1 ));
+               if (bright_hold || (_styleflags & 2)) {
+                       rect.height = max(0, min(3, pixheight - last_peak_rect.y -1 ));
                } else {
                        rect.height = max(0, min(2, pixheight - last_peak_rect.y -1 ));
                }
@@ -859,8 +859,8 @@ FastMeter::queue_horizontal_redraw (const Glib::RefPtr<Gdk::Window>& win, float
                rect.y = 1;
                rect.height = pixheight;
                const int xpos = floor (pixwidth * current_peak);
-               if (bright_hold) {
-                       rect.width = min(4, xpos);
+               if (bright_hold || (_styleflags & 2)) {
+                       rect.width = min(3, xpos);
                } else {
                        rect.width = min(2, xpos);
                }