Commit 869bec21 authored by Sven Neumann's avatar Sven Neumann Committed by Sven Neumann
Browse files

use G_PI instead of M_PI.

2002-12-20  Sven Neumann  <sven@gimp.org>

	* examples/gtkdial/gtkdial.c: use G_PI instead of M_PI.
parent 7ec4703c
......@@ -353,7 +353,7 @@ gtk_dial_expose (GtkWidget *widget,
if ((upper - lower) == 0)
return FALSE;
increment = (100*M_PI) / (dial->radius*dial->radius);
increment = (100*G_PI) / (dial->radius*dial->radius);
inc = (upper - lower);
......@@ -363,7 +363,7 @@ gtk_dial_expose (GtkWidget *widget,
for (i = 0; i <= inc; i++)
{
theta = ((gfloat)i*M_PI / (18*inc/24.) - M_PI/6.);
theta = ((gfloat)i*G_PI / (18*inc/24.) - G_PI/6.);
if ((theta - last) < (increment))
continue;
......@@ -558,17 +558,17 @@ gtk_dial_update_mouse (GtkDial *dial, gint x, gint y)
old_value = dial->adjustment->value;
dial->angle = atan2(yc-y, x-xc);
if (dial->angle < -M_PI/2.)
dial->angle += 2*M_PI;
if (dial->angle < -G_PI/2.)
dial->angle += 2*G_PI;
if (dial->angle < -M_PI/6)
dial->angle = -M_PI/6;
if (dial->angle < -G_PI/6)
dial->angle = -G_PI/6;
if (dial->angle > 7.*M_PI/6.)
dial->angle = 7.*M_PI/6.;
if (dial->angle > 7.*G_PI/6.)
dial->angle = 7.*G_PI/6.;
dial->adjustment->value = dial->adjustment->lower + (7.*M_PI/6 - dial->angle) *
(dial->adjustment->upper - dial->adjustment->lower) / (4.*M_PI/3.);
dial->adjustment->value = dial->adjustment->lower + (7.*G_PI/6 - dial->angle) *
(dial->adjustment->upper - dial->adjustment->lower) / (4.*G_PI/3.);
if (dial->adjustment->value != old_value)
{
......@@ -615,7 +615,7 @@ gtk_dial_update (GtkDial *dial)
g_signal_emit_by_name (GTK_OBJECT (dial->adjustment), "value_changed");
}
dial->angle = 7.*M_PI/6. - (new_value - dial->adjustment->lower) * 4.*M_PI/3. /
dial->angle = 7.*G_PI/6. - (new_value - dial->adjustment->lower) * 4.*G_PI/3. /
(dial->adjustment->upper - dial->adjustment->lower);
gtk_widget_queue_draw (GTK_WIDGET (dial));
......
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