X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-studio%2Ftags%2Fsynfigstudio_0_61_06%2Fsrc%2Fgtkmm%2Fwidget_sound.cpp;fp=synfig-studio%2Ftags%2Fsynfigstudio_0_61_06%2Fsrc%2Fgtkmm%2Fwidget_sound.cpp;h=d8ad2b3b8dd4c70a09db958227ae3c4cbe207228;hb=5fd3dd11683d8b3e3aae5a4655f1525b91bc3e67;hp=0000000000000000000000000000000000000000;hpb=e9077d5c0858c23469cc10d6aeb8ad1d6d86caae;p=synfig.git

diff --git a/synfig-studio/tags/synfigstudio_0_61_06/src/gtkmm/widget_sound.cpp b/synfig-studio/tags/synfigstudio_0_61_06/src/gtkmm/widget_sound.cpp
new file mode 100644
index 0000000..d8ad2b3
--- /dev/null
+++ b/synfig-studio/tags/synfigstudio_0_61_06/src/gtkmm/widget_sound.cpp
@@ -0,0 +1,321 @@
+/* === S Y N F I G ========================================================= */
+/*!	\file widget_sound.cpp
+**	\brief Widget Sound Implementation File
+**
+**	$Id$
+**
+**	\legal
+**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**
+**	This package is free software; you can redistribute it and/or
+**	modify it under the terms of the GNU General Public License as
+**	published by the Free Software Foundation; either version 2 of
+**	the License, or (at your option) any later version.
+**
+**	This package is distributed in the hope that it will be useful,
+**	but WITHOUT ANY WARRANTY; without even the implied warranty of
+**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+**	General Public License for more details.
+**	\endlegal
+*/
+/* ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+#	include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+#	include <config.h>
+#endif
+
+#include <gtkmm/adjustment.h>
+
+#include <synfig/general.h>
+#include <ETL/clock>
+
+#include "widget_sound.h"
+#include "audiocontainer.h"
+
+#endif
+
+/* === U S I N G =========================================================== */
+
+using namespace std;
+using namespace etl;
+//using namespace synfig;
+
+using studio::AudioProfile;
+
+/* === M A C R O S ========================================================= */
+
+/* === G L O B A L S ======================================================= */
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+/* === E N T R Y P O I N T ================================================= */
+
+studio::Widget_Sound::Widget_Sound()
+{
+}
+
+studio::Widget_Sound::~Widget_Sound()
+{
+}
+
+void studio::Widget_Sound::set_position(double t)
+{
+	//synfig::info("Setting position to %.2lf s", t);
+	if(adj_timescale && t != adj_timescale->get_value())
+	{
+		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();
+		}else
+		if(t > upper)
+		{
+			lower += ceil((t-upper)/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();
+		}else
+		{
+			adj_timescale->set_value(t);
+			adj_timescale->value_changed();
+		}
+	}
+}
+
+double studio::Widget_Sound::get_position() const
+{
+	if(adj_timescale)
+	{
+		return adj_timescale->get_value();
+	}
+	return 0;
+}
+
+bool studio::Widget_Sound::set_profile(etl::handle<AudioProfile>	p)
+{
+	clear();
+
+	//set the profile
+	audioprof = p;
+
+	if(!audioprof)
+	{
+		clear();
+		return false;
+	}
+
+	return true;
+}
+
+etl::handle<AudioProfile>	studio::Widget_Sound::get_profile() const
+{
+	return audioprof;
+}
+
+void studio::Widget_Sound::clear()
+{
+	audioprof.detach();
+}
+
+void studio::Widget_Sound::draw()
+{
+	on_expose_event();
+}
+
+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");
+	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)
+	{
+		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
+		{
+			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",
+						framesize, begin, end, w, check());*/
+
+		cur = begin;
+		i = 0; cum = 0;
+		for(int i=0;i<w;++i)
+		{
+			//get the maximum of the collected samples
+			maxs = 0;
+			mins = 0;
+			for(;cum < delta; ++cum, ++cur)
+			{
+				maxs = std::max(maxs,(int)(*audioprof)[cur]);
+				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;
+}
+
+//--- Handle the single clicking and dragging for scrubbing
+
+bool studio::Widget_Sound::on_motion_notify_event(GdkEventMotion* event)
+{
+	Gdk::ModifierType	mod = Gdk::ModifierType(event->state);
+
+	//if we are scrubbing
+	if(mod & Gdk::BUTTON1_MASK)
+	{
+		//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
+		// for some reason. So for now, let's do the job ourselves
+		//adj_timescale->set_value(t);
+		//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);
+}