+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file preview.cpp
-** \brief Preview implementation file
-**
-** $Id$
-**
-** \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
-** 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 "preview.h"
-#include "app.h"
-#include "audiocontainer.h"
-#include <gtkmm/stock.h>
-#include <gtkmm/separator.h>
-
-#include <synfig/target_scanline.h>
-#include <synfig/surface.h>
-
-#include <algorithm>
-#include "asyncrenderer.h"
-
-#include "general.h"
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-using namespace etl;
-using namespace synfig;
-using namespace studio;
-
-/* === 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 ================================================= */
-
-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()
- {
- set_remove_alpha();
- tbegin = tend = 0;
- scanline = 0;
- nframes = curframe = 0;
- }
-
- const RendDesc &get_rend_desc() const { return desc; }
-
- virtual bool set_rend_desc(RendDesc *r)
- {
- if(Target_Scanline::set_rend_desc(r))
- {
- /*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;
- 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 false;
- }
-
- virtual bool start_frame(ProgressCallback */*cb*/=NULL)
- {
- return true;
- }
-
- virtual void end_frame()
- {
- //ok... notify our subscribers...
- signal_frame_done_(this);
- 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
- {
- double time = ((nframes-curframe)/(double)nframes)*tbegin
- + ((curframe)/(double)nframes)*tend;
- return time;
- }
-};
-
-studio::Preview::Preview(const studio::CanvasView::LooseHandle &h, float zoom, float f)
-:canvasview(h),zoom(zoom),fps(f)
-{
- overbegin = false;
- overend = false;
-}
-
-void studio::Preview::set_canvasview(const studio::CanvasView::LooseHandle &h)
-{
- canvasview = h;
-
- if(canvasview)
- {
- //perhaps reset override values...
- const RendDesc &r = canvasview->get_canvas()->rend_desc();
- if(r.get_frame_rate())
- {
- float rate = 1/r.get_frame_rate();
- overbegin = false; begintime = r.get_time_start() + r.get_frame_start()*rate;
- overend = false; endtime = r.get_time_start() + r.get_frame_end()*rate;
- }
- }
-}
-
-studio::Preview::~Preview()
-{
- signal_destroyed_(this); //tell anything that attached to us, we're dying
-}
-
-void studio::Preview::render()
-{
- if(canvasview)
- {
- //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()));
- //synfig::warning("Set start time to %.2f...",(float)desc.get_time_start());
- }
- if(overend)
- {
- 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 - 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();
- renderer = new AsyncRenderer(target);
- renderer->start();
- }
-}
-
-static void free_guint8(const guint8 *mem)
-{
- free((void*)mem);
-}
-
-void studio::Preview::frame_finish(const Preview_Target *targ)
-{
- //copy image with time to next frame (can just push back)
- FlipbookElem fe;
- 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 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;
- //uses and manages the memory for the buffer...
- //synfig::warning("Create a pixmap...");
- fe.buf =
- Gdk::Pixbuf::create_from_data(
- buffer, // pointer to the data
- Gdk::COLORSPACE_RGB, // the colorspace
- ((pf&PF_A)==PF_A), // has alpha?
- 8, // bits per sample
- surf.get_w(), // width
- surf.get_h(), // height
- 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,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();
-
-Widget_Preview::Widget_Preview()
-:Gtk::Table(5,5,false),
-adj_time_scrub(0,0,1000,1,10,0),
-scr_time_scrub(adj_time_scrub),
-b_loop(/*_("Loop")*/),
-currentindex(0),
-audiotime(0),
-adj_sound(0,0,4),
-l_lasttime("0s"),
-playing(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.
- 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,_("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,_("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,_("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,_("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,_("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,_("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);
- {
- Gtk::Label *label = manage(new Gtk::Label(_("Last Rendered: ")));
- //label->show();
- hbox->pack_start(*label,Gtk::PACK_SHRINK,10);
- //attach(*manage(new Gtk::Label(_("Last Rendered: "))),0,1,3,4,Gtk::SHRINK,Gtk::SHRINK);
- }
- //l_lasttime.show();
- hbox->pack_start(l_lasttime,Gtk::PACK_SHRINK,0);
- 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
-}
-
-studio::Widget_Preview::~Widget_Preview()
-{
-}
-
-void studio::Widget_Preview::update()
-{
- //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);
-
- //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
- //(bias downward towards beg, because that's what we want)
- for(;i != end;++i)
- {
- //synfig::info("Look at %f",i->t);
- 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...
- for(;i != beg;)
- {
- --i;
- //synfig::info("Look at %f",i->t);
- 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)
- {
- synfig::error("i == end....");
- //assert(0);
- currentbuf.clear();
- currentindex = 0;
- timedisp = -1;
- }else
- {
- currentbuf = i->buf;
- currentindex = i-beg;
- if(timedisp != i->t)
- {
- timedisp = i->t;
- //synfig::warning("Update at: %f seconds (%f s)",time,timedisp);
- preview_draw();
- //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();
- }
-}
-void studio::Widget_Preview::preview_draw()
-{
- draw_area.queue_draw();//on_expose_event();
-}
-
-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
- || 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();
- Glib::RefPtr<Gdk::Drawable> surf = Glib::RefPtr<Gdk::Drawable>::cast_static(wind);
- Glib::RefPtr<Gdk::GC> gc = Gdk::GC::create(wind);
-
- {
- Gdk::Rectangle r(0,0,draw_area.get_width(),draw_area.get_height());
- draw_area.get_window()->begin_paint_rect(r);
- }
-
- if(!wind) synfig::warning("The destination window is broken...");
- if(!surf) synfig::warning("The destination is not drawable...");
-
- if(surf)
- {
- /* Options for drawing...
- 1) store with alpha, then clear and render with alpha every frame
- - more time consuming
- + more expandable
- 2) store with just pixel info
- - less expandable
- + faster
- + 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
- 0, 0, // Source X and Y
- 0, 0, // Dest X and Y
- -1,-1, // Width and Height
- 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::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;
-}
-
-bool studio::Widget_Preview::play_update()
-{
- 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())
- {
- if(get_loop_flag())
- {
- time = adj_time_scrub.get_lower();// + time-adj_time_scrub.get_upper();
- currentindex = 0;
- }else
- {
- 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");
- }
- return true;
-}
-
-void studio::Widget_Preview::slider_move()
-{
- //if(!playing)
- {
- update();
- //synfig::warning("Did update sm");
- }
-}
-
-//for other things updating the value changed signal...
-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())
- {
- 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)
- {
- preview = 0;
- prevchanged.disconnect();
- }
-}
-
-void studio::Widget_Preview::set_preview(etl::handle<Preview> prev)
-{
- preview = prev;
-
- synfig::info("Setting preview");
-
- //stop playing the mini animation...
- stop();
-
- if(preview)
- {
- //set the internal values
- float rate = preview->get_fps();
- synfig::info(" FPS = %f",rate);
- if(rate)
- {
- 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_lower(0);
- 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);
- 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));
- update();
- //synfig::warning("Did update sp");
- queue_draw();
- }
-}
-
-void studio::Widget_Preview::whenupdated()
-{
- l_lasttime.set_text((Time((double)(--preview->end())->t)
- .round(preview->get_global_fps())
- .get_string(preview->get_global_fps(),App::get_time_format())));
- update();
-}
-
-void studio::Widget_Preview::clear()
-{
- preview = 0;
- prevchanged.disconnect();
-}
-
-void studio::Widget_Preview::play()
-{
- if(preview && !playing)
- {
- //synfig::info("Playing at %lf",adj_time_scrub.get_value());
- //audiotime = adj_time_scrub.get_value();
- playing = true;
-
- //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();
- }
-
-}
-
-void studio::Widget_Preview::play_stop()
-{
- playing = false;
- signal_stop()();
- if(audio) audio->stop(); //!< stop the audio
- //synfig::info("Stopping...");
-}
-
-void studio::Widget_Preview::stop()
-{
- //synfig::warning("stopping");
- play_stop();
- timecon.disconnect();
-}
-
-bool studio::Widget_Preview::scroll_move_event(GdkEvent *event)
-{
- switch(event->type)
- {
- case GDK_BUTTON_PRESS:
- {
- if(event->button.button == 1 || event->button.button == 3)
- {
- stop();
- }
- }
-
- default: break;
- }
-
- return false;
-}
-
-void studio::Widget_Preview::set_audioprofile(etl::handle<AudioProfile> p)
-{
- disp_sound.set_profile(p);
-}
-
-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));
- scrubcon = disp_sound.signal_scrub().connect(sigc::mem_fun(*a,&AudioContainer::scrub));
-}
-
-void studio::Widget_Preview::seek(float t)
-{
- stop();
- adj_time_scrub.set_value(t);
-}
-
-void studio::Widget_Preview::repreview()
-{
- if(preview)
- {
- stoprender();
- stop();
- preview->get_canvasview()->preview_option();
- }
-}
-
-void studio::Widget_Preview::stoprender()
-{
- if(preview)
- {
- // don't crash if the render has already been stopped
- if (!preview->renderer)
- return;
-
-#ifdef SINGLE_THREADED
- if (preview->renderer->updating)
- preview->renderer->stop();
- else
-#endif
- preview->renderer.detach();
- }
-}
-
-void studio::Widget_Preview::eraseall()
-{
- stop();
- stoprender();
-
- currentbuf.clear();
- currentindex = 0;
- timedisp = 0;
- queue_draw();
-
- if(preview)
- {
- preview->clear();
- }
-}