/*! \file widget_sound.cpp
** \brief Widget Sound Implementation File
**
-** $Id: widget_sound.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
+** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
#include "widget_sound.h"
#include "audiocontainer.h"
+#include "general.h"
+
#endif
/* === U S I N G =========================================================== */
/* === M E T H O D S ======================================================= */
/* === E N T R Y P O I N T ================================================= */
-
+
studio::Widget_Sound::Widget_Sound()
{
}
float upper = adj_timescale->get_upper();
float lower = adj_timescale->get_lower();
float framesize = upper - lower;
-
+
if(t < lower)
{
lower -= ceil((lower-t)/framesize)*framesize;
upper = lower + framesize;
adj_timescale->set_lower(lower); adj_timescale->set_upper(upper);
adj_timescale->set_value(t);
- adj_timescale->changed(); adj_timescale->value_changed();
+ adj_timescale->changed(); adj_timescale->value_changed();
}else
if(t > upper)
{
//set the profile
audioprof = p;
-
+
if(!audioprof)
{
clear();
return false;
}
-
+
return true;
}
on_expose_event();
}
-bool studio::Widget_Sound::on_expose_event(GdkEventExpose *heh)
-{
- if(!get_window()) return false;
+bool studio::Widget_Sound::on_expose_event(GdkEventExpose */*heh*/)
+{
+ if(!get_window()) return false;
//clear the background to dark grey
Glib::RefPtr<Gdk::GC> gc = Gdk::GC::create(get_window());
-
+
if(!gc) return false;
{
Gdk::Rectangle r(0,0,get_width(),get_height());
get_window()->begin_paint_rect(r);
}
- Gdk::Color c("#3f3f3f");
+ Gdk::Color c("#3f3f3f");
gc->set_rgb_fg_color(c);
gc->set_background(c);
int w = get_width();
int baseline = get_height()/2;
get_window()->draw_rectangle(gc,true,0,0,w,get_height());
-
+
//set up the color to be blue
c.set_rgb_p(0,0.5,1);
gc->set_rgb_fg_color(c);
-
+
//draw the base line
get_window()->draw_line(gc,0,baseline,w,baseline);
-
+
//redraw all the samples from begin to end, but only if we have samples to draw (or there is no space to draw)
-
+
//synfig::warning("Ok rendered everything, now must render actual sound wave");
- if(!audioprof || !adj_timescale || !w)
+ if(!audioprof || !adj_timescale || !w)
{
get_window()->end_paint();
return true;
}
-
+
//draw you fool!
float framesize = adj_timescale->get_upper() - adj_timescale->get_lower();
if(framesize)
{
float delta=0,cum=0;
-
+
//position in sample space
int begin=0,end=0;
int cur=0,maxs=0,mins=0;
-
+
int i=0; //pixel counter
-
+
//etl::clock check; check.reset();
-
+
float position = adj_timescale->get_value();
float samplerate = audioprof->get_samplerate();
- int posi = 0;
- //enforce position inside of frame size
+ int posi = 0;
+ //enforce position inside of frame size
{
float offset = audioprof->get_offset();
-
+
//clamp begin and end to framesize
float beginf = adj_timescale->get_lower();
float endf = adj_timescale->get_upper();
-
+
posi = round_to_int((position-beginf)*w/framesize);
//posi = (int)((position-beginf)*w/framesize);
-
+
//calculate in sample space from seconds
begin = round_to_int((beginf - offset)*samplerate);
end = round_to_int((endf - offset)*samplerate);
//begin = (int)((beginf - offset)*samplerate);
//end = (int)((endf - offset)*samplerate);
}
-
+
delta = (end - begin)/(float)w; //samples per pixel
-
- /*synfig::warning("Rendering a framesize of %f secs from [%d,%d) samples to %d samples, took %f sec",
+
+ /*synfig::warning("Rendering a framesize of %f secs from [%d,%d) samples to %d samples, took %f sec",
framesize, begin, end, w, check());*/
-
+
cur = begin;
i = 0; cum = 0;
for(int i=0;i<w;++i)
mins = std::min(mins,(int)(*audioprof)[cur]);
}
cum -= delta;
-
+
//draw spike if not needed be
if(maxs||mins)
{
int top = maxs * baseline / 64;
int bot = mins * baseline / 64;
-
+
get_window()->draw_line(gc,i,baseline+bot,i,baseline+top);
}
}
-
+
//synfig::warning("Drawing audio line");
c.set_rgb_p(1,0,0);
gc->set_rgb_fg_color(c);
get_window()->draw_line(gc,posi,0,posi,get_height());
}
get_window()->end_paint();
-
+
return true;
}
{
//Can't do this if we don't have a time frame (heheh...)
if(!adj_timescale) return false;
-
+
double beg = adj_timescale->get_lower(), end = adj_timescale->get_upper();
-
+
//find event position in time
double t = beg + event->x * (end-beg) / get_width();
//signal that we are scrubbing to this new value...
signal_scrub()(t);
-
-
+
+
// We should be able to just call
// Widget_Timeslider::on_motion_notify_event(),
// but that seems to cause the program to halt
//adj_timescale->changed();
//return true;
}
-
+
return Widget_Timeslider::on_motion_notify_event(event);
}
bool studio::Widget_Sound::on_button_press_event(GdkEventButton *event)
{
//Assume button PRESS
-
+
//if we are starting... using left click
if(event->button == 1)
{
if(!adj_timescale) return false;
-
+
double beg = adj_timescale->get_lower(), end = adj_timescale->get_upper();
-
+
//find event position in time
double t = beg + event->x * (end-beg) / get_width();
//signal the attached scrubbing devices...
signal_start_scrubbing()(t);
-
+
return true;
}
-
+
return Widget_Timeslider::on_button_press_event(event);
}
bool studio::Widget_Sound::on_button_release_event(GdkEventButton *event)
{
//Assume button RELEASE
-
+
//if we are ending... using left click
if(event->button == 1)
{
//signal the scrubbing device... to stop
signal_stop_scrubbing()();
-
+
return true;
}
-
+
return Widget_Timeslider::on_button_release_event(event);
}
projects / synfig.git / blobdiff