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mutter/fixed-to-float-patches/clutter-behaviour-ellipse.c.0.patch
Robert Bragg c1866858dd fixes for clutter-behaviour-ellipse.c.0.patch
2009-01-08 11:47:28 +00:00

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diff --git a/clutter/clutter-behaviour-ellipse.c b/clutter/clutter-behaviour-ellipse.c
index 162a949..4212b95 100644
--- a/clutter/clutter-behaviour-ellipse.c
+++ b/clutter/clutter-behaviour-ellipse.c
@@ -190,17 +190,13 @@ actor_apply_knot_foreach (ClutterBehaviour *behave,
static inline float
clamp_angle (float a)
{
- float a1, a2;
gint rounds;
- /* Need to add the 256 offset here, since the user space 0 maps to our
- * -256
- */
- rounds = (a + 256) / 1024;
- a1 = rounds * 1024;
- a2 = a - a1;
+ rounds = a / 360;
+ if (a < 0)
+ rounds--;
- return a2;
+ return a - 360 * rounds;
}
static void
@@ -218,11 +214,11 @@ clutter_behaviour_ellipse_alpha_notify (ClutterBehaviour *behave,
if (priv->direction == CLUTTER_ROTATE_CW && start >= end)
{
- end += 1024;
+ end += 360;
}
else if (priv->direction == CLUTTER_ROTATE_CCW && start <= end)
{
- end -= 1024;
+ end -= 360;
}
angle = (end - start) * alpha / CLUTTER_ALPHA_MAX_ALPHA + start;
@@ -247,30 +243,25 @@ clutter_behaviour_ellipse_set_property (GObject *gobject,
switch (prop_id)
{
case PROP_ANGLE_START:
- priv->angle_start =
- COGL_ANGLE_FROM_DEG (g_value_get_double (value)) - 256;
+ priv->angle_start = g_value_get_double (value);
break;
case PROP_ANGLE_END:
- priv->angle_end =
- COGL_ANGLE_FROM_DEG (g_value_get_double (value)) - 256;
+ priv->angle_end = g_value_get_double (value);
break;
case PROP_ANGLE_TILT_X:
- priv->angle_tilt_x =
- COGL_ANGLE_FROM_DEG (g_value_get_double (value));
+ priv->angle_tilt_x = g_value_get_double (value);
break;
case PROP_ANGLE_TILT_Y:
- priv->angle_tilt_y =
- COGL_ANGLE_FROM_DEG (g_value_get_double (value));
+ priv->angle_tilt_y = g_value_get_double (value);
break;
case PROP_ANGLE_TILT_Z:
- priv->angle_tilt_z =
- COGL_ANGLE_FROM_DEG (g_value_get_double (value));
+ priv->angle_tilt_z = g_value_get_double (value);
break;
case PROP_WIDTH:
- priv->a = g_value_get_int (value) >> 1;
+ priv->a = g_value_get_int (value) / 2;
break;
case PROP_HEIGHT:
- priv->b = g_value_get_int (value) >> 1;
+ priv->b = g_value_get_int (value) / 2;
break;
case PROP_CENTER:
{
@@ -301,30 +292,25 @@ clutter_behaviour_ellipse_get_property (GObject *gobject,
switch (prop_id)
{
case PROP_ANGLE_START:
- g_value_set_double (value,
- COGL_ANGLE_TO_DEG (priv->angle_start + 256));
+ g_value_set_double (value, priv->angle_start);
break;
case PROP_ANGLE_END:
- g_value_set_double (value,
- COGL_ANGLE_TO_DEG (priv->angle_end + 256));
+ g_value_set_double (value, priv->angle_end);
break;
case PROP_ANGLE_TILT_X:
- g_value_set_double (value,
- COGL_ANGLE_TO_DEG (priv->angle_tilt_x));
+ g_value_set_double (value, priv->angle_tilt_x);
break;
case PROP_ANGLE_TILT_Y:
- g_value_set_double (value,
- COGL_ANGLE_TO_DEG (priv->angle_tilt_y));
+ g_value_set_double (value, priv->angle_tilt_y);
break;
case PROP_ANGLE_TILT_Z:
- g_value_set_double (value,
- COGL_ANGLE_TO_DEG (priv->angle_tilt_z));
+ g_value_set_double (value, priv->angle_tilt_z);
break;
case PROP_WIDTH:
- g_value_set_int (value, (priv->a << 1));
+ g_value_set_int (value, (priv->a * 2));
break;
case PROP_HEIGHT:
- g_value_set_int (value, (priv->b << 1));
+ g_value_set_int (value, (priv->b * 2));
break;
case PROP_CENTER:
g_value_set_boxed (value, &priv->center);
@@ -513,12 +499,8 @@ clutter_behaviour_ellipse_init (ClutterBehaviourEllipse * self)
priv->direction = CLUTTER_ROTATE_CW;
- /* The inital values have to reflect the 90 degree offset between the normal
- * mathematical space and the clutter clock-based space; the default end
- * value of 360 is clamped to 0.
- */
- priv->angle_start = -256;
- priv->angle_end = -256;
+ priv->angle_start = 0;
+ priv->angle_end = 0;
}
/**
@@ -611,8 +593,8 @@ clutter_behaviour_ellipse_newx (ClutterAlpha * alpha,
"width", width,
"height", height,
"direction", direction,
- "angle-start", COGL_ANGLE_FROM_DEGX (start),
- "angle-end", COGL_ANGLE_FROM_DEGX (end),
+ "angle-start", (double)CLUTTER_FIXED_TO_FLOAT (start),
+ "angle-end", (double)CLUTTER_FIXED_TO_FLOAT (end),
NULL);
}
@@ -695,9 +677,9 @@ clutter_behaviour_ellipse_set_width (ClutterBehaviourEllipse * self,
priv = self->priv;
- if (priv->a != width >> 1)
+ if (priv->a != width / 2)
{
- priv->a = width >> 1;
+ priv->a = width / 2;
g_object_notify (G_OBJECT (self), "width");
}
@@ -718,7 +700,7 @@ clutter_behaviour_ellipse_get_width (ClutterBehaviourEllipse *self)
{
g_return_val_if_fail (CLUTTER_IS_BEHAVIOUR_ELLIPSE (self), 0);
- return self->priv->a << 1;
+ return self->priv->a * 2;
}
/**
@@ -740,9 +722,9 @@ clutter_behaviour_ellipse_set_height (ClutterBehaviourEllipse *self,
priv = self->priv;
- if (priv->b != height >> 1)
+ if (priv->b != height / 2)
{
- priv->b = height >> 1;
+ priv->b = height / 2;
g_object_notify (G_OBJECT (self), "height");
}
@@ -763,7 +745,7 @@ clutter_behaviour_ellipse_get_height (ClutterBehaviourEllipse *self)
{
g_return_val_if_fail (CLUTTER_IS_BEHAVIOUR_ELLIPSE (self), 0);
- return self->priv->b << 1;
+ return self->priv->b * 2;
}
/**
@@ -780,10 +762,11 @@ void
clutter_behaviour_ellipse_set_angle_start (ClutterBehaviourEllipse *self,
gdouble angle_start)
{
+ ClutterFixed new_angle = CLUTTER_FLOAT_TO_FIXED (angle_start);
+
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ELLIPSE (self));
- clutter_behaviour_ellipse_set_angle_startx (self,
- CLUTTER_FLOAT_TO_FIXED (angle_start));
+ clutter_behaviour_ellipse_set_angle_startx (self, new_angle);
}
/**
@@ -805,7 +788,7 @@ clutter_behaviour_ellipse_set_angle_startx (ClutterBehaviourEllipse *self,
float new_angle;
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ELLIPSE (self));
- new_angle = clamp_angle (COGL_ANGLE_FROM_DEGX (angle_start) - 256);
+ new_angle = clamp_angle (CLUTTER_FIXED_TO_FLOAT (angle_start));
priv = self->priv;
if (priv->angle_start != new_angle)
@@ -830,7 +813,7 @@ clutter_behaviour_ellipse_get_angle_start (ClutterBehaviourEllipse *self)
{
g_return_val_if_fail (CLUTTER_IS_BEHAVIOUR_ELLIPSE (self), 0.0);
- return COGL_ANGLE_TO_DEG (self->priv->angle_start + 256);
+ return (double)self->priv->angle_start;
}
/**
@@ -848,7 +831,7 @@ clutter_behaviour_ellipse_get_angle_startx (ClutterBehaviourEllipse *self)
{
g_return_val_if_fail (CLUTTER_IS_BEHAVIOUR_ELLIPSE (self), 0);
- return COGL_ANGLE_TO_DEGX (self->priv->angle_start);
+ return CLUTTER_FLOAT_TO_FIXED (self->priv->angle_start);
}
/**
@@ -865,10 +848,11 @@ void
clutter_behaviour_ellipse_set_angle_end (ClutterBehaviourEllipse *self,
gdouble angle_end)
{
+ ClutterFixed new_angle = CLUTTER_FLOAT_TO_FIXED (angle_end);
+
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ELLIPSE (self));
- clutter_behaviour_ellipse_set_angle_endx (self,
- CLUTTER_FLOAT_TO_FIXED (angle_end));
+ clutter_behaviour_ellipse_set_angle_endx (self, new_angle);
}
/**
@@ -891,7 +875,7 @@ clutter_behaviour_ellipse_set_angle_endx (ClutterBehaviourEllipse *self,
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ELLIPSE (self));
- new_angle = clamp_angle (COGL_ANGLE_FROM_DEGX (angle_end) - 256);
+ new_angle = clamp_angle (CLUTTER_FIXED_TO_FLOAT (angle_end));
priv = self->priv;
@@ -918,7 +902,7 @@ clutter_behaviour_ellipse_get_angle_end (ClutterBehaviourEllipse *self)
{
g_return_val_if_fail (CLUTTER_IS_BEHAVIOUR_ELLIPSE (self), 0.0);
- return COGL_ANGLE_TO_DEG (self->priv->angle_end + 256);
+ return self->priv->angle_end;
}
/**
@@ -936,7 +920,7 @@ clutter_behaviour_ellipse_get_angle_endx (ClutterBehaviourEllipse *self)
{
g_return_val_if_fail (CLUTTER_IS_BEHAVIOUR_ELLIPSE (self), 0);
- return COGL_ANGLE_TO_DEGX (self->priv->angle_end);
+ return CLUTTER_FLOAT_TO_FIXED (self->priv->angle_end);
}
/**
@@ -955,11 +939,11 @@ clutter_behaviour_ellipse_set_angle_tilt (ClutterBehaviourEllipse *self,
ClutterRotateAxis axis,
gdouble angle_tilt)
{
+ ClutterFixed new_angle = CLUTTER_FLOAT_TO_FIXED (angle_tilt);
+
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ELLIPSE (self));
- clutter_behaviour_ellipse_set_angle_tiltx (self,
- axis,
- CLUTTER_FLOAT_TO_FIXED (angle_tilt));
+ clutter_behaviour_ellipse_set_angle_tiltx (self, axis, new_angle);
}
/**
@@ -983,7 +967,7 @@ clutter_behaviour_ellipse_set_angle_tiltx (ClutterBehaviourEllipse *self,
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ELLIPSE (self));
- new_angle = COGL_ANGLE_FROM_DEGX (angle_tilt);
+ new_angle = CLUTTER_FIXED_TO_FLOAT (angle_tilt);
priv = self->priv;
@@ -1038,11 +1022,11 @@ clutter_behaviour_ellipse_get_angle_tilt (ClutterBehaviourEllipse *self,
switch (axis)
{
case CLUTTER_X_AXIS:
- return COGL_ANGLE_TO_DEG (self->priv->angle_tilt_x);
+ return self->priv->angle_tilt_x;
case CLUTTER_Y_AXIS:
- return COGL_ANGLE_TO_DEG (self->priv->angle_tilt_y);
+ return self->priv->angle_tilt_y;
case CLUTTER_Z_AXIS:
- return COGL_ANGLE_TO_DEG (self->priv->angle_tilt_z);
+ return self->priv->angle_tilt_z;
}
return 0;
@@ -1068,11 +1052,11 @@ clutter_behaviour_ellipse_get_angle_tiltx (ClutterBehaviourEllipse *self,
switch (axis)
{
case CLUTTER_X_AXIS:
- return COGL_ANGLE_TO_DEGX (self->priv->angle_tilt_x);
+ return CLUTTER_FLOAT_TO_FIXED (self->priv->angle_tilt_x);
case CLUTTER_Y_AXIS:
- return COGL_ANGLE_TO_DEGX (self->priv->angle_tilt_y);
+ return CLUTTER_FLOAT_TO_FIXED (self->priv->angle_tilt_y);
case CLUTTER_Z_AXIS:
- return COGL_ANGLE_TO_DEGX (self->priv->angle_tilt_z);
+ return CLUTTER_FLOAT_TO_FIXED (self->priv->angle_tilt_z);
}
return 0;
@@ -1100,9 +1084,9 @@ clutter_behaviour_ellipse_set_tilt (ClutterBehaviourEllipse *self,
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ELLIPSE (self));
- new_angle_x = COGL_ANGLE_FROM_DEG (angle_tilt_x);
- new_angle_y = COGL_ANGLE_FROM_DEG (angle_tilt_y);
- new_angle_z = COGL_ANGLE_FROM_DEG (angle_tilt_z);
+ new_angle_x = (float)angle_tilt_x;
+ new_angle_y = (float)angle_tilt_y;
+ new_angle_z = (float)angle_tilt_z;
priv = self->priv;
@@ -1154,9 +1138,9 @@ clutter_behaviour_ellipse_set_tiltx (ClutterBehaviourEllipse *self,
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ELLIPSE (self));
- new_angle_x = COGL_ANGLE_FROM_DEGX (angle_tilt_x);
- new_angle_y = COGL_ANGLE_FROM_DEGX (angle_tilt_y);
- new_angle_z = COGL_ANGLE_FROM_DEGX (angle_tilt_z);
+ new_angle_x = CLUTTER_FIXED_TO_FLOAT (angle_tilt_x);
+ new_angle_y = CLUTTER_FIXED_TO_FLOAT (angle_tilt_y);
+ new_angle_z = CLUTTER_FIXED_TO_FLOAT (angle_tilt_z);
priv = self->priv;
@@ -1210,13 +1194,13 @@ clutter_behaviour_ellipse_get_tilt (ClutterBehaviourEllipse *self,
priv = self->priv;
if (angle_tilt_x)
- *angle_tilt_x = COGL_ANGLE_TO_DEG (priv->angle_tilt_x);
+ *angle_tilt_x = priv->angle_tilt_x;
if (angle_tilt_y)
- *angle_tilt_y = COGL_ANGLE_TO_DEG (priv->angle_tilt_y);
+ *angle_tilt_y = priv->angle_tilt_y;
if (angle_tilt_z)
- *angle_tilt_z = COGL_ANGLE_TO_DEG (priv->angle_tilt_z);
+ *angle_tilt_z = priv->angle_tilt_z;
}
/**
@@ -1246,13 +1230,13 @@ clutter_behaviour_ellipse_get_tiltx (ClutterBehaviourEllipse *self,
priv = self->priv;
if (angle_tilt_x)
- *angle_tilt_x = COGL_ANGLE_TO_DEGX (priv->angle_tilt_x);
+ *angle_tilt_x = priv->angle_tilt_x;
if (angle_tilt_y)
- *angle_tilt_y = COGL_ANGLE_TO_DEGX (priv->angle_tilt_y);
+ *angle_tilt_y = priv->angle_tilt_y;
if (angle_tilt_z)
- *angle_tilt_z = COGL_ANGLE_TO_DEGX (priv->angle_tilt_z);
+ *angle_tilt_z = priv->angle_tilt_z;
}
/**
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