[SCM] calf/master: get_changed_offsets for multiband limiter

[js at users.alioth.debian.org]

The following commit has been merged in the master branch:
commit 1a5d1a7fae86eb9e74d7e6d937b24d73da92b0f6
Author: Markus Schmidt <schmidt at boomshop.net>
Date:   Thu Sep 20 20:45:59 2012 +0200

    get_changed_offsets for multiband limiter

diff --git a/src/calf/modules_limit.h b/src/calf/modules_limit.h
index 3e0fa4c..dc65c9f 100644
--- a/src/calf/modules_limit.h
+++ b/src/calf/modules_limit.h
@@ -80,6 +80,8 @@ private:
     bool asc_old;
     float attack_old;
     bool _sanitize;
+    mutable volatile int last_generation;
+    mutable bool redraw_graph;
 public:
     uint32_t srate;
     bool is_active;
@@ -91,6 +93,7 @@ public:
     void set_sample_rate(uint32_t sr);
     bool get_graph(int index, int subindex, float *data, int points, cairo_iface *context, int *mode) const;
     bool get_gridline(int index, int subindex, float &pos, bool &vertical, std::string &legend, cairo_iface *context) const;
+    int  get_changed_offsets(int generation, int &subindex_graph, int &subindex_dot, int &subindex_gridline) const;
 };
 
 };
diff --git a/src/custom_ctl.cpp b/src/custom_ctl.cpp
index feacbc9..570126e 100644
--- a/src/custom_ctl.cpp
+++ b/src/custom_ctl.cpp
@@ -392,7 +392,6 @@ calf_line_graph_expose (GtkWidget *widget, GdkEventExpose *event)
     }
     
     calf_line_graph_copy_cache_to_window( lg->master_surface, c );
-    
     // printf("exposed %p %dx%d %d+%d\n", widget->window, event->area.x, event->area.y, event->area.width, event->area.height);
 
     return TRUE;
diff --git a/src/modules_limit.cpp b/src/modules_limit.cpp
index 5cd32a0..2a6d57e 100644
--- a/src/modules_limit.cpp
+++ b/src/modules_limit.cpp
@@ -251,6 +251,8 @@ multibandlimiter_audio_module::multibandlimiter_audio_module()
     attack_old = -1.f;
     limit_old = -1.f;
     asc_old = true;
+    last_generation = 0;
+    redraw_graph = false;
 }
 
 void multibandlimiter_audio_module::activate()
@@ -318,6 +320,7 @@ void multibandlimiter_audio_module::params_changed()
         freq_old[0] = *params[param_freq0];
         sep_old[0]  = *params[param_sep0];
         q_old[0]    = *params[param_q0];
+        redraw_graph = true;
     }
     if(*params[param_freq1] != freq_old[1] or *params[param_sep1] != sep_old[1] or *params[param_q1] != q_old[1] or *params[param_mode] != mode_old) {
         lpL[1][0].set_lp_rbj((float)(*params[param_freq1] * (1 - *params[param_sep1])), *params[param_q1], (float)srate);
@@ -333,6 +336,7 @@ void multibandlimiter_audio_module::params_changed()
         freq_old[1] = *params[param_freq1];
         sep_old[1]  = *params[param_sep1];
         q_old[1]    = *params[param_q1];
+        redraw_graph = true;
     }
     if(*params[param_freq2] != freq_old[2] or *params[param_sep2] != sep_old[2] or *params[param_q2] != q_old[2] or *params[param_mode] != mode_old) {
         lpL[2][0].set_lp_rbj((float)(*params[param_freq2] * (1 - *params[param_sep2])), *params[param_q2], (float)srate);
@@ -348,6 +352,7 @@ void multibandlimiter_audio_module::params_changed()
         freq_old[2] = *params[param_freq2];
         sep_old[2]  = *params[param_sep2];
         q_old[2]    = *params[param_q2];
+        redraw_graph = true;
     }
     // set the params of all strips
     float rel;
@@ -687,3 +692,17 @@ bool multibandlimiter_audio_module::get_gridline(int index, int subindex, float
         return get_freq_gridline(subindex, pos, vertical, legend, context);
     }
 }
+
+int multibandlimiter_audio_module::get_changed_offsets(int generation, int &subindex_graph, int &subindex_dot, int &subindex_gridline) const
+{
+    subindex_graph = 0;
+    subindex_dot = 0;
+    subindex_gridline = generation ? INT_MAX : 0;
+
+    if (redraw_graph)
+    {
+        redraw_graph = false;
+        last_generation++;
+    }
+    return last_generation;
+}

-- 
calf audio plugins packaging