export_report.h

Go to the documentation of this file.

/*
 * Copyright (C) 2016-2017 Robin Gareus <robin@gareus.org>
 *
 * This program 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 program 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.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#ifndef _gtkardour_export_report_h_
#define _gtkardour_export_report_h_
 
#include <cairo/cairo.h>
#include <gtkmm/notebook.h>
#include <gtkmm/togglebutton.h>
 
#include "gtkmm2ext/cairo_widget.h"
#include "gtkmm2ext/gui_thread.h"
 
#include "ardour/export_status.h"
 
#include "ardour_dialog.h"
 
class CimgArea : public CairoWidget
{
public:
        CimgArea (Cairo::RefPtr<Cairo::ImageSurface> sf)
                : CairoWidget()
                , _surface(sf)
        {
                set_size_request (sf->get_width (), sf->get_height ());
        }
 
protected:
        virtual void background (cairo_t* cr, cairo_rectangle_t* r) {
                cairo_set_source_surface (cr, _surface->cobj(), 0, 0);
                cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
                cairo_paint (cr);
        }
 
        virtual void overlay (cairo_t* cr, cairo_rectangle_t* r) {}
 
        virtual void render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_t* r)
        {
                ctx->rectangle (r->x, r->y, r->width, r->height);
                ctx->clip ();
                background (ctx->cobj(), r);
                overlay (ctx->cobj(), r);
        }
 
        Cairo::RefPtr<Cairo::ImageSurface> _surface;
};
 
class CimgPlayheadArea : public CimgArea
{
public:
        CimgPlayheadArea (Cairo::RefPtr<Cairo::ImageSurface> sf, float x0, float w, bool h = false)
        : CimgArea (sf)
        , _playhead(-1)
        , _x0 (x0)
        , _aw (w)
        , _highlight (h)
        {
        }
 
        void set_playhead (float pos) {
                if (rint (_playhead * _aw) == rint (pos * _aw)) {
                        return;
                }
                if (_playhead == -1 || pos == -1) {
                        set_dirty ();
                } else {
                        invalidate (_playhead);
                        invalidate (pos);
                }
                _playhead = pos;
        }
 
        sigc::signal<void, float> seek_playhead;
 
protected:
 
        virtual void overlay (cairo_t* cr, cairo_rectangle_t* r) {
                if (_playhead > 0 && _playhead < 1.0 && _aw > 0) {
                        if (_highlight) {
                                cairo_rectangle (cr, _x0, 0, _aw, _surface->get_height());
                                cairo_set_source_rgba (cr, .4, .4, .6, .4);
                                cairo_fill (cr);
                        }
 
                        const float x = _playhead * _aw;
                        const float h = _surface->get_height();
                        cairo_set_source_rgba (cr, 1, 0, 0, 1);
                        cairo_set_line_width (cr, 1.5);
                        cairo_move_to (cr, _x0 + x, 0);
                        cairo_line_to (cr, _x0 + x, h);
                        cairo_stroke (cr);
                }
        }
 
        bool on_button_press_event (GdkEventButton *ev) {
                CairoWidget::on_button_press_event (ev);
                if (ev->button == 1 && _aw > 0 && ev->x >= _x0 && ev->x <= _x0 + _aw) {
                        seek_playhead (((float) ev->x - _x0) / (float)_aw);
                }
                return true;
        }
 
private:
        float _playhead;
        float _x0, _aw;
        bool _highlight;
 
        void invalidate (float pos) {
                if (pos < 0 || pos > 1) { return; }
                const float x = pos * _aw;
                cairo_rectangle_t r;
                r.y = 0;
                r.x = _x0 + x - 1;
                r.width = 3;
                r.height = _surface->get_height();
                set_dirty (&r);
        }
};
 
class CimgWaveArea : public CimgPlayheadArea
{
public:
        CimgWaveArea (
                        Cairo::RefPtr<Cairo::ImageSurface> sf,
                        Cairo::RefPtr<Cairo::ImageSurface> sf_log,
                        Cairo::RefPtr<Cairo::ImageSurface> sf_rect,
                        Cairo::RefPtr<Cairo::ImageSurface> sf_logrec,
                        float x0, float w)
        : CimgPlayheadArea (sf, x0, w)
        , _sf_log (sf_log)
        , _sf_rect (sf_rect)
        , _sf_logrec (sf_logrec)
        , _logscale (false)
        , _rectified (false)
        {
        }
 
        void set_logscale (bool en) {
                _logscale = en;
                set_dirty ();
        }
 
        void set_rectified (bool en) {
                _rectified = en;
                set_dirty ();
        }
 
protected:
 
        virtual void background (cairo_t* cr, cairo_rectangle_t* r) {
                if (_logscale && _rectified) {
                        cairo_set_source_surface (cr, _sf_logrec->cobj(), 0, 0);
                } else if (_logscale) {
                        cairo_set_source_surface (cr, _sf_log->cobj(), 0, 0);
                } else if (_rectified) {
                        cairo_set_source_surface (cr, _sf_rect->cobj(), 0, 0);
                } else {
                        cairo_set_source_surface (cr, _surface->cobj(), 0, 0);
                }
                cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
                cairo_paint (cr);
        }
 
private:
        Cairo::RefPtr<Cairo::ImageSurface> _sf_log;
        Cairo::RefPtr<Cairo::ImageSurface> _sf_rect;
        Cairo::RefPtr<Cairo::ImageSurface> _sf_logrec;
        bool _logscale;
        bool _rectified;
};
 
class ExportReport : public ArdourDialog
{
public:
        typedef std::shared_ptr<ARDOUR::ExportStatus> StatusPtr;
        ExportReport (ARDOUR::Session*, StatusPtr);
        ExportReport (const std::string & title, const ARDOUR::AnalysisResults & ar);
        int run ();
 
        void on_response (int response_id) {
                Gtk::Dialog::on_response (response_id);
        }
 
private:
        void init (const ARDOUR::AnalysisResults &, bool);
 
        void open_folder (std::string);
        void audition (std::string, unsigned int, int);
        void stop_audition ();
        void play_audition ();
        void audition_active (bool);
        void audition_seek (int, float);
        void audition_progress (ARDOUR::samplecnt_t, ARDOUR::samplecnt_t);
        void on_switch_page (GtkNotebookPage*, guint page_num);
        void on_logscale_toggled (Gtk::ToggleButton*);
        void on_rectivied_toggled (Gtk::ToggleButton*);
 
        Gtk::Notebook    pages;
        ARDOUR::Session* _session;
        Gtk::Button*     stop_btn;
        Gtk::Button*     play_btn;
        PBD::ScopedConnectionList auditioner_connections;
 
        struct AuditionInfo {
                AuditionInfo (std::string p, unsigned int c) : path (p), channels (c) {}
                AuditionInfo () : channels (0) {}
                std::string  path;
                unsigned int channels;
        };
 
        std::map<int, std::list<CimgPlayheadArea*> > timeline;
        std::map<int, AuditionInfo> files;
        std::list<CimgWaveArea*> waves;
 
        int _audition_num;
        int _page_num;
};
 
#endif