/*! \file preview.cpp
** \brief Preview implementation file
**
-** $Id: preview.cpp,v 1.2 2005/01/10 08:13:44 darco Exp $
+** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007 Chris Moore
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
class studio::Preview::Preview_Target : public Target_Scanline
{
Surface surface;
-
+
sigc::signal<void, const Preview_Target *> signal_frame_done_;
-
+
int scanline;
-
+
double tbegin,tend;
-
+
int nframes,curframe;
-
+
public:
Preview_Target()
/*synfig::warning("Succeeded in setting the desc to new one: %d x %d, %.2f fps [%.2f,%.2f]",
desc.get_w(),desc.get_h(),desc.get_frame_rate(),
(float)desc.get_time_start(),(float)desc.get_time_end());*/
-
+
surface.set_wh(desc.get_w(),desc.get_h());
-
- curframe = 0;
+
+ curframe = 0;
nframes = (int)floor((desc.get_time_end() - desc.get_time_start())*desc.get_frame_rate());
-
+
tbegin = desc.get_time_start();
tend = tbegin + nframes/desc.get_frame_rate();
-
- return true;
+
+ return true;
}
return false;
}
-
- virtual bool start_frame(ProgressCallback *cb=NULL)
+
+ virtual bool start_frame(ProgressCallback */*cb*/=NULL)
{
- return true;
+ return true;
}
-
+
virtual void end_frame()
{
//ok... notify our subscribers...
curframe += 1;
//synfig::warning("Finished the frame stuff, and changed time to %.3f",t);
}
-
+
virtual Color * start_scanline(int scanline)
{
return surface[scanline];
}
-
+
virtual bool end_scanline() {return true;}
-
+
sigc::signal<void, const Preview_Target *> &signal_frame_done() {return signal_frame_done_;}
-
+
const Surface &get_surface() const {return surface;}
-
- float get_time() const
+
+ float get_time() const
{
double time = ((nframes-curframe)/(double)nframes)*tbegin
+ ((curframe)/(double)nframes)*tend;
void studio::Preview::set_canvasview(const studio::CanvasView::LooseHandle &h)
{
canvasview = h;
-
+
if(canvasview)
{
//perhaps reset override values...
{
//render using the preview target
etl::handle<Preview_Target> target = new Preview_Target;
-
+
//connect our information to his...
//synfig::warning("Connecting to the end frame function...");
target->signal_frame_done().connect(sigc::mem_fun(*this,&Preview::frame_finish));
-
+
//set the options
//synfig::warning("Setting Canvas");
target->set_canvas(get_canvas());
target->set_quality(quality);
-
+
//render description
RendDesc desc = get_canvas()->rend_desc();
-
+
//set the global fps of the preview
set_global_fps(desc.get_frame_rate());
-
+
desc.clear_flags();
-
+
int neww = (int)floor(desc.get_w()*zoom+0.5),
newh = (int)floor(desc.get_h()*zoom+0.5);
float newfps = fps;
-
+
/*synfig::warning("Setting the render description: %d x %d, %f fps, [%f,%f]",
neww,newh,newfps, overbegin?begintime:(float)desc.get_time_start(),
overend?endtime:(float)desc.get_time_end());*/
-
+
desc.set_w(neww);
desc.set_h(newh);
desc.set_frame_rate(newfps);
-
+
if(overbegin)
{
desc.set_time_start(std::max(begintime,(float)desc.get_time_start()));
desc.set_time_end(std::min(endtime,(float)desc.get_time_end()));
//synfig::warning("Set end time to %.2f...",(float)desc.get_time_end());
}
-
+
//setting the description
-
- //HACK - BECAUSE THE RENDERER CAN'T RENDER INCLUDING THE LAST FRAME
- desc.set_time_end(desc.get_time_end() + 1.3/fps);
-
+
+ //HACK - add on one extra frame because the renderer can't render the last frame
+ desc.set_time_end(desc.get_time_end() + 1.000001/fps);
+
target->set_rend_desc(&desc);
-
+
//... first we must clear our current selves of space
frames.resize(0);
-
+
//now tell it to go... with inherited prog. reporting...
//synfig::info("Rendering Asynchronously...");
if(renderer) renderer->stop();
float time = targ->get_time();
const Surface &surf = targ->get_surface();
const RendDesc& r = targ->get_rend_desc();
-
+
//synfig::warning("Finished a frame at %f s",time);
-
+
//copy EVERYTHING!
PixelFormat pf(PF_RGB);
const int total_bytes(r.get_w()*r.get_h()*synfig::channels(pf));
-
+
//synfig::warning("Creating a buffer");
unsigned char *buffer((unsigned char*)malloc(total_bytes));
if(!buffer)
return;
- //convert all the pixles to the pixbuf... buffer... thing...
- //synfig::warning("Converting...");
+ //convert all the pixels to the pixbuf... buffer... thing...
+ //synfig::warning("Converting...");
convert_color_format(buffer, surf[0], surf.get_w()*surf.get_h(), pf, App::gamma);
-
+
//load time
- fe.t = time;
+ fe.t = time;
//uses and manages the memory for the buffer...
//synfig::warning("Create a pixmap...");
- fe.buf =
+ fe.buf =
Gdk::Pixbuf::create_from_data(
buffer, // pointer to the data
Gdk::COLORSPACE_RGB, // the colorspace
surf.get_w()*synfig::channels(pf), // stride (pitch)
sigc::ptr_fun(free_guint8)
);
-
+
//add the flipbook element to the list (assume time is correct)
//synfig::info("Prev: Adding %f s to the list", time);
frames.push_back(fe);
-
+
signal_changed()();
}
-#define IMAGIFY_BUTTON(button,stockid) \
+#define IMAGIFY_BUTTON(button,stockid,tooltip) \
icon=manage(new Gtk::Image(Gtk::StockID(stockid),Gtk::ICON_SIZE_BUTTON)); \
button->add(*icon); \
+ tooltips.set_tip(*button,tooltip); \
icon->set_padding(0,0);\
- icon->show();
+ icon->show();
Widget_Preview::Widget_Preview()
:Gtk::Table(5,5,false),
{
//connect to expose events
//signal_expose_event().connect(sigc::mem_fun(*this, &studio::Widget_Preview::redraw));
-
+
//manage all the change in values etc...
adj_time_scrub.signal_value_changed().connect(sigc::mem_fun(*this,&Widget_Preview::slider_move));
scr_time_scrub.signal_event().connect(sigc::mem_fun(*this,&Widget_Preview::scroll_move_event));
draw_area.signal_expose_event().connect(sigc::mem_fun(*this,&Widget_Preview::redraw));
-
+
disp_sound.set_time_adjustment(&adj_sound);
timedisp = -1;
-
+
//Set up signals to modify time value as it should be...
disp_sound.signal_start_scrubbing().connect(sigc::mem_fun(*this,&Widget_Preview::scrub_updated));
disp_sound.signal_scrub().connect(sigc::mem_fun(*this,&Widget_Preview::scrub_updated));
-
+
/*
---------------------------------
| |
---------------------------------
|loop|play|stop | hbox
|lastl|lastt|rerender|haltrend | hbox
- |
+ |
|sound |
*/
-
+
Gtk::HBox *hbox = 0;
Gtk::Button *button = 0;
Gtk::Image *icon = 0;
-
- //should set up the dialog using attach etc.
+
+ //should set up the dialog using attach etc.
attach(draw_area, 0, 1, 0, 1);
attach(scr_time_scrub, 0, 1, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK);
-
+
#if 1
-
+
//2nd row
hbox = manage(new Gtk::HBox);
-
+
button = &b_loop;
- IMAGIFY_BUTTON(button,Gtk::Stock::REFRESH);
+ IMAGIFY_BUTTON(button,Gtk::Stock::REFRESH,"Toggle Looping");
hbox->pack_start(b_loop,Gtk::PACK_SHRINK,0);
//attach(b_loop,0,1,2,3,Gtk::EXPAND|Gtk::FILL,Gtk::SHRINK);
-
+
button = manage(new Gtk::Button(/*_("Play")*/));
button->signal_clicked().connect(sigc::mem_fun(*this,&Widget_Preview::play));
- IMAGIFY_BUTTON(button,Gtk::Stock::GO_FORWARD);
+ IMAGIFY_BUTTON(button,Gtk::Stock::GO_FORWARD,"Play");
hbox->pack_start(*button,Gtk::PACK_SHRINK,0);
//attach(*button,1,2,2,3,Gtk::EXPAND|Gtk::FILL,Gtk::SHRINK);
-
+
button = manage(new Gtk::Button(/*_("Stop")*/));
button->signal_clicked().connect(sigc::mem_fun(*this,&Widget_Preview::stop));
- IMAGIFY_BUTTON(button,Gtk::Stock::NO);
+ IMAGIFY_BUTTON(button,Gtk::Stock::NO,"Stop");
hbox->pack_start(*button,Gtk::PACK_SHRINK,0);
//attach(*button,2,3,2,3,Gtk::EXPAND|Gtk::FILL,Gtk::SHRINK);
-
+
//attack the stop render and erase all buttons to same line...
{
Gtk::VSeparator *vsep = manage(new Gtk::VSeparator);
hbox->pack_start(*vsep,Gtk::PACK_SHRINK,0);
}
-
+
button = manage(new Gtk::Button(/*_("Halt Render")*/));
button->signal_clicked().connect(sigc::mem_fun(*this,&Widget_Preview::stoprender));
- IMAGIFY_BUTTON(button,Gtk::Stock::STOP);
+ IMAGIFY_BUTTON(button,Gtk::Stock::STOP,"Halt Render");
hbox->pack_start(*button,Gtk::PACK_SHRINK,0);
//attach(*button,2,3,3,4,Gtk::EXPAND|Gtk::FILL,Gtk::SHRINK);
-
+
button = manage(new Gtk::Button(/*_("Re-Preview")*/));
button->signal_clicked().connect(sigc::mem_fun(*this,&Widget_Preview::repreview));
- IMAGIFY_BUTTON(button,Gtk::Stock::CONVERT);
+ IMAGIFY_BUTTON(button,Gtk::Stock::CONVERT,"Re-Preview");
hbox->pack_start(*button,Gtk::PACK_SHRINK,0);
//attach(*button,0,2,4,5,Gtk::EXPAND|Gtk::FILL,Gtk::SHRINK);
-
+
button = manage(new Gtk::Button(/*_("Erase All")*/));
button->signal_clicked().connect(sigc::mem_fun(*this,&Widget_Preview::eraseall));
- //IMAGIFY_BUTTON(button,Gtk::Stock::DELETE);
+ IMAGIFY_BUTTON(button,Gtk::Stock::DELETE,"Erase All");
hbox->pack_start(*button,Gtk::PACK_SHRINK,0);
//attach(*button,2,3,4,5,Gtk::EXPAND|Gtk::FILL,Gtk::SHRINK);
-
+
hbox->show_all();
attach(*hbox,0,1,2,3,Gtk::EXPAND|Gtk::FILL,Gtk::SHRINK|Gtk::FILL);
-
+
//3rd row
hbox = manage(new Gtk::HBox);
{
hbox->show_all();
attach(*hbox,0,1,3,4,Gtk::EXPAND|Gtk::FILL,Gtk::SHRINK);
//attach(l_lasttime,0,1,3,4,Gtk::EXPAND|Gtk::FILL,Gtk::SHRINK);
-
+
//5th row
disp_sound.set_size_request(-1,32);
attach(disp_sound,0,1,4,5,Gtk::EXPAND|Gtk::FILL,Gtk::SHRINK);
-
+
show_all();
-
+
//if(draw_area.get_window()) gc_area = Gdk::GC::create(draw_area.get_window());
#endif
}
{
//the meat goes in this locker...
double time = adj_time_scrub.get_value();
-
+
//find the frame and display it...
if(preview)
{
- //synfig::warning("Updating at %.3f s",time);
-
+ //synfig::warning("Updating at %.3f s",time);
+
//use time to find closest frame...
studio::Preview::FlipBook::const_iterator beg = preview->begin(),end = preview->end();
studio::Preview::FlipBook::const_iterator i;
-
+
i = beg;
-
+
//go to current hint if need be...
if(currentindex >= 0 && currentindex < (int)preview->numframes())
{
i = beg+currentindex;
}
-
+
//we can't have a picture if there are none to get
if(beg != end)
- {
+ {
//don't bother with binary search it will just be slower...
-
+
//synfig::info("Search for time %f",time);
-
- //incrementally go in either direction
+
+ //incrementally go in either direction
//(bias downward towards beg, because that's what we want)
for(;i != end;++i)
{
if(i->t > time) break;
//synfig::info("Go past...");
}
-
- //if(i!=beg)--i;
-
- //bias down, so we can't be at end... and it still is valid...
+
+ //if(i!=beg)--i;
+
+ //bias down, so we can't be at end... and it still is valid...
for(;i != beg;)
{
--i;
if(i->t <= time) break;
//synfig::info("Go past...");
}
-
+
/*i = preview->begin(); end = preview->end();
if(i == end) return;
-
+
j = i;
for(;i != end; j = i++)
{
if(i->t > time) break;
}*/
-
+
//we should be at a valid edge since we biased downward
-
+
//don't get the closest, round down... (if we can)
if(i == end)
{
timedisp = i->t;
//synfig::warning("Update at: %f seconds (%f s)",time,timedisp);
preview_draw();
- //synfig::warning("success!");
+ //synfig::warning("success!");
}
}
}
}
-
+
if(disp_sound.get_profile() && adj_sound.get_value() != time)
{
//timeupdate = time;
-
+
//Set the position of the sound (short circuited for sound modifying the time)
-
+
disp_sound.set_position(time);
disp_sound.queue_draw();
}
draw_area.queue_draw();//on_expose_event();
}
-bool studio::Widget_Preview::redraw(GdkEventExpose *heh)
-{
+bool studio::Widget_Preview::redraw(GdkEventExpose */*heh*/)
+{
//And render the drawing area
Glib::RefPtr<Gdk::Pixbuf> pxnew, px = currentbuf;
-
- if(!px || draw_area.get_height() == 0
+
+ if(!px || draw_area.get_height() == 0
|| px->get_height() == 0 || px->get_width() == 0 /*|| is_visible()*/) //made not need this line
return true;
-
+
//figure out the scaling factors...
float sx, sy;
int nw,nh;
sx = draw_area.get_width() / (float)px->get_width();
sy = draw_area.get_height() / (float)px->get_height();
-
+
//synfig::info("widget_preview redraw: now to scale the bitmap: %.3f x %.3f",sx,sy);
-
+
//round to smallest scale (fit entire thing in window without distortion)
if(sx > sy) sx = sy;
//else sy = sx;
-
+
//scale to a new pixmap and then copy over to the window
nw = (int)(px->get_width()*sx);
nh = (int)(px->get_height()*sx);
-
+
if(nw == 0 || nh == 0)return true;
-
+
pxnew = px->scale_simple(nw,nh,Gdk::INTERP_NEAREST);
-
+
//synfig::info("Now to draw to the window...");
//copy to window
Glib::RefPtr<Gdk::Window> wind = draw_area.get_window();
if(!wind) synfig::warning("The destination window is broken...");
if(!surf) synfig::warning("The destination is not drawable...");
-
+
if(surf)
{
/* Options for drawing...
+ better memory footprint
*/
//px->composite(const Glib::RefPtr<Gdk::Pixbuf>& dest, int dest_x, int dest_y, int dest_width, int dest_height, double offset_x, double offset_y, double scale_x, double scale_y, InterpType interp_type, int overall_alpha) const
-
+
surf->draw_pixbuf(
gc, //GC
pxnew, //pixbuf
Gdk::RGB_DITHER_NONE, // RgbDither
0, 0 // Dither offset X and Y
);
-
+
if(timedisp >= 0)
{
- Glib::RefPtr<Pango::Layout> layout(Pango::Layout::create(get_pango_context()));
+ Glib::RefPtr<Pango::Layout> layout(Pango::Layout::create(get_pango_context()));
Glib::ustring timecode(Time((double)timedisp).round(preview->get_global_fps())
.get_string(preview->get_global_fps(),
App::get_time_format()));
//synfig::info("Time for preview draw is: %s for time %g", timecode.c_str(), adj_time_scrub.get_value());
-
+
gc->set_rgb_fg_color(Gdk::Color("#FF0000"));
layout->set_text(timecode);
surf->draw_layout(gc,4,4,layout);
}
draw_area.get_window()->end_paint();
-
+
//synfig::warning("Refresh the draw area");
//make sure the widget refreshes
-
+
return false;
}
{
float diff = timer.pop_time();
//synfig::info("Play update: diff = %.2f",diff);
-
+
if(playing)
{
//we go to the next one...
double time = adj_time_scrub.get_value() + diff;
-
+
//adjust it to be synced with the audio if it can...
{
double newtime = audiotime;
if(audio && audio->is_playing()) audio->get_current_time(newtime);
-
+
if(newtime != audiotime)
{
//synfig::info("Adjusted time from %.3lf to %.3lf", time,newtime);
time = audiotime = newtime;
}
}
-
+
//Looping conditions...
if(time >= adj_time_scrub.get_upper())
{
adj_time_scrub.set_value(time);
play_stop();
update();
-
+
//synfig::info("Play Stopped: time set to %f",adj_time_scrub.get_value());
return false;
}
}
-
+
//set the new time...
adj_time_scrub.set_value(time);
adj_time_scrub.value_changed();
-
+
//update the window to the correct image we might want to do this later...
//update();
//synfig::warning("Did update pu");
void studio::Widget_Preview::scrub_updated(double t)
{
stop();
-
+
//Attempt at being more accurate... the time is adjusted to be exactly where the sound says it is
//double oldt = t;
if(audio)
{
- if(!audio->isPaused())
+ if(!audio->isPaused())
{
audio->get_current_time(t);
}
}
-
+
//synfig::info("Scrubbing to %.3f, setting adj to %.3f",oldt,t);
-
+
if(adj_time_scrub.get_value() != t)
{
adj_time_scrub.set_value(t);
adj_time_scrub.value_changed();
}
}
-
+
void studio::Widget_Preview::disconnect_preview(Preview *prev)
{
if(prev == preview)
void studio::Widget_Preview::set_preview(handle<Preview> prev)
{
preview = prev;
-
+
synfig::info("Setting preview");
-
+
//stop playing the mini animation...
stop();
-
+
if(preview)
{
//set the internal values
{
float start = preview->get_begintime();
float end = preview->get_endtime();
-
+
rate = 1/rate;
-
+
adj_time_scrub.set_lower(start);
adj_time_scrub.set_upper(end);
adj_time_scrub.set_value(start);
adj_time_scrub.set_step_increment(rate);
adj_time_scrub.set_page_increment(10*rate);
-
+
//if the begin time and the end time are the same there is only a single frame
singleframe = end==start;
}else
adj_time_scrub.set_upper(0);
adj_time_scrub.set_value(0);
adj_time_scrub.set_step_increment(0);
- adj_time_scrub.set_page_increment(0);
+ adj_time_scrub.set_page_increment(0);
singleframe = true;
}
-
+
//connect so future information will be found...
prevchanged = prev->signal_changed().connect(sigc::mem_fun(*this,&Widget_Preview::whenupdated));
prev->signal_destroyed().connect(sigc::mem_fun(*this,&Widget_Preview::disconnect_preview));
//audiotime = adj_time_scrub.get_value();
playing = true;
- //adj_time_scrub.set_value(adj_time_scrub.get_lower());
+ //adj_time_scrub.set_value(adj_time_scrub.get_lower());
update(); //we don't want to call play update because that will try to advance the timer
//synfig::warning("Did update p");
-
+
//approximate length of time in seconds, right?
double rate = /*std::min(*/adj_time_scrub.get_step_increment()/*,1/30.0)*/;
int timeout = (int)floor(1000*rate);
-
+
//synfig::info(" rate = %.3lfs = %d ms",rate,timeout);
-
+
signal_play_(adj_time_scrub.get_value());
-
+
//play the audio...
if(audio) audio->play(adj_time_scrub.get_value());
-
- timecon = Glib::signal_timeout().connect(sigc::mem_fun(*this,&Widget_Preview::play_update),timeout);
- timer.reset();
+
+ timecon = Glib::signal_timeout().connect(sigc::mem_fun(*this,&Widget_Preview::play_update),timeout);
+ timer.reset();
}
-
+
}
void studio::Widget_Preview::play_stop()
stop();
}
}
-
+
default: break;
}
-
+
return false;
}
void studio::Widget_Preview::set_audio(etl::handle<AudioContainer> a)
{
audio = a;
-
+
//disconnect any previous signals
scrstartcon.disconnect(); scrstopcon.disconnect(); scrubcon.disconnect();
-
+
//connect the new signals
scrstartcon = disp_sound.signal_start_scrubbing().connect(sigc::mem_fun(*a,&AudioContainer::start_scrubbing));
scrstopcon = disp_sound.signal_stop_scrubbing().connect(sigc::mem_fun(*a,&AudioContainer::stop_scrubbing));
preview->renderer.detach();
}
}
-
+
void studio::Widget_Preview::eraseall()
{
stop();
stoprender();
-
+
currentbuf.clear();
currentindex = 0;
timedisp = 0;
queue_draw();
-
+
if(preview)
{
preview->clear();