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Diffstat (limited to 'gtk2_ardour/panner2d.cc')
-rw-r--r--gtk2_ardour/panner2d.cc55
1 files changed, 34 insertions, 21 deletions
diff --git a/gtk2_ardour/panner2d.cc b/gtk2_ardour/panner2d.cc
index 0f8b46aa56..a3befff5cf 100644
--- a/gtk2_ardour/panner2d.cc
+++ b/gtk2_ardour/panner2d.cc
@@ -166,6 +166,7 @@ Panner2d::on_size_allocate (Gtk::Allocation& alloc)
radius = min (width, height);
radius -= border;
radius /= 2;
+ radius = rint(radius) + .5;
hoffset = max ((double) (width - height), border);
voffset = max ((double) (height - width), border);
@@ -251,12 +252,8 @@ Panner2d::handle_position_change ()
uint32_t n;
double w = panner_shell->pannable()->pan_width_control->get_value();
- if (have_elevation) {
- position.position = AngularVector (panner_shell->pannable()->pan_azimuth_control->get_value() * 360.0,
- panner_shell->pannable()->pan_elevation_control->get_value() * 90.0);
- } else {
- position.position = AngularVector (panner_shell->pannable()->pan_azimuth_control->get_value() * 360.0, 0);
- }
+ position.position = AngularVector (panner_shell->pannable()->pan_azimuth_control->get_value() * 360.0,
+ panner_shell->pannable()->pan_elevation_control->get_value() * 90.0);
for (uint32_t i = 0; i < signals.size(); ++i) {
signals[i]->position = panner_shell->panner()->signal_position (i);
@@ -300,7 +297,11 @@ Panner2d::find_closest_object (gdouble x, gdouble y, bool& is_signal)
/* start with the position itself */
- position.position.cartesian (c);
+ PBD::AngularVector dp = position.position;
+ if (!have_elevation) dp.ele = 0;
+ dp.azi = 270 - dp.azi;
+ dp.cartesian (c);
+
cart_to_gtk (c);
best_distance = sqrt ((c.x - x) * (c.x - x) +
(c.y - y) * (c.y - y));
@@ -342,9 +343,11 @@ Panner2d::find_closest_object (gdouble x, gdouble y, bool& is_signal)
if (!closest) {
for (Targets::const_iterator i = speakers.begin(); i != speakers.end(); ++i) {
candidate = *i;
-
- candidate->position.cartesian (c);
- cart_to_gtk (c);
+ PBD::AngularVector sp = candidate->position;
+ sp.azi = 270 -sp.azi;
+ CartesianVector c;
+ sp.cartesian (c);
+ cart_to_gtk (c);
distance = sqrt ((c.x - x) * (c.x - x) +
(c.y - y) * (c.y - y));
@@ -426,14 +429,14 @@ Panner2d::on_expose_event (GdkEventExpose *event)
/* horizontal line of "crosshairs" */
cairo_set_source_rgba (cr, 0.282, 0.517, 0.662, 1.0);
- cairo_move_to (cr, 0.0, rint(radius) + .5);
- cairo_line_to (cr, diameter, rint(radius) + .5);
+ cairo_move_to (cr, 0.0, radius);
+ cairo_line_to (cr, diameter, radius);
cairo_stroke (cr);
/* vertical line of "crosshairs" */
- cairo_move_to (cr, rint(radius) + .5, 0);
- cairo_line_to (cr, rint(radius) + .5, diameter);
+ cairo_move_to (cr, radius, 0);
+ cairo_line_to (cr, radius, diameter);
cairo_stroke (cr);
/* the circle on which signals live */
@@ -456,15 +459,17 @@ Panner2d::on_expose_event (GdkEventExpose *event)
}
if (!panner_shell->bypassed()) {
+ /* convention top == front ^= azimuth == .5 (same as stereo/mono panners) */
if (signals.size() > 1) {
/* arc to show "diffusion" */
double width_angle = fabs (panner_shell->pannable()->pan_width_control->get_value()) * 2 * M_PI;
- double position_angle = (2 * M_PI) - panner_shell->pannable()->pan_azimuth_control->get_value() * 2 * M_PI;
+ double position_angle = panner_shell->pannable()->pan_azimuth_control->get_value() * 2 * M_PI;
cairo_save (cr);
cairo_translate (cr, radius, radius);
+ cairo_rotate (cr, M_PI / 2.0);
cairo_rotate (cr, position_angle - (width_angle/2.0));
cairo_move_to (cr, 0, 0);
cairo_arc_negative (cr, 0, 0, radius, width_angle, 0.0);
@@ -493,7 +498,10 @@ Panner2d::on_expose_event (GdkEventExpose *event)
/* draw position */
- position.position.cartesian (c);
+ PBD::AngularVector dp = position.position;
+ if (!have_elevation) dp.ele = 0;
+ dp.azi = 270 - dp.azi;
+ dp.cartesian (c);
cart_to_gtk (c);
cairo_new_path (cr);
@@ -505,7 +513,7 @@ Panner2d::on_expose_event (GdkEventExpose *event)
/* signals */
- if (signals.size() > 1) {
+ if (signals.size() > 0) {
for (Targets::iterator i = signals.begin(); i != signals.end(); ++i) {
Target* signal = *i;
@@ -516,6 +524,7 @@ Panner2d::on_expose_event (GdkEventExpose *event)
*/
PBD::AngularVector sp = signal->position;
if (!have_elevation) sp.ele = 0;
+ sp.azi += 270.0;
sp.cartesian (c);
cart_to_gtk (c);
@@ -553,9 +562,10 @@ Panner2d::on_expose_event (GdkEventExpose *event)
if (speaker->visible) {
+ PBD::AngularVector sp = speaker->position;
+ sp.azi += 270.0;
CartesianVector c;
-
- speaker->position.cartesian (c);
+ sp.cartesian (c);
cart_to_gtk (c);
snprintf (buf, sizeof (buf), "%d", n);
@@ -564,7 +574,7 @@ Panner2d::on_expose_event (GdkEventExpose *event)
cairo_move_to (cr, c.x, c.y);
cairo_save (cr);
- cairo_rotate (cr, -(speaker->position.azi/360.0) * (2.0 * M_PI));
+ cairo_rotate (cr, -(sp.azi/360.0) * (2.0 * M_PI));
if (small) {
cairo_scale (cr, 0.8, 0.8);
} else {
@@ -588,7 +598,8 @@ Panner2d::on_expose_event (GdkEventExpose *event)
/* move the text in just a bit */
- AngularVector textpos (speaker->position.azi, speaker->position.ele, 0.85);
+ AngularVector textpos (speaker->position.azi + 270.0, speaker->position.ele, 0.85);
+
textpos.cartesian (c);
cart_to_gtk (c);
cairo_move_to (cr, c.x, c.y);
@@ -716,6 +727,7 @@ Panner2d::handle_motion (gint evx, gint evy, GdkModifierType state)
if (!have_elevation) {
clamp_to_circle (cp.x, cp.y);
cp.angular (av);
+ av.azi = fmod(270 - av.azi, 360);
if (drag_target == &position) {
double degree_fract = av.azi / 360.0;
panner_shell->panner()->set_position (degree_fract);
@@ -727,6 +739,7 @@ Panner2d::handle_motion (gint evx, gint evy, GdkModifierType state)
double r2d = 180.0 / M_PI;
av.azi = r2d * atan2(cp.y, cp.x);
av.ele = r2d * asin(cp.z);
+ av.azi = fmod(270 - av.azi, 360);
if (drag_target == &position) {
double azi_fract = av.azi / 360.0;