*/
/** @file src/film_viewer.cc
- * @brief A wx widget to view `thumbnails' of a Film.
+ * @brief A wx widget to view a preview of a Film.
*/
#include <iostream>
#include <iomanip>
+#include <wx/tglbtn.h>
#include "lib/film.h"
#include "lib/format.h"
#include "lib/util.h"
#include "lib/subtitle.h"
#include "film_viewer.h"
#include "wx_util.h"
+#include "ffmpeg_player.h"
using std::string;
using std::pair;
using std::max;
using boost::shared_ptr;
-class ThumbPanel : public wxPanel
-{
-public:
- ThumbPanel (wxPanel* parent, shared_ptr<Film> film)
- : wxPanel (parent)
- , _film (film)
- , _index (0)
- , _frame_rebuild_needed (false)
- , _composition_needed (false)
- {}
-
- /** Handle a paint event */
- void paint_event (wxPaintEvent& ev)
- {
- if (!_film || _film->thumbs().size() == 0) {
- wxPaintDC dc (this);
- return;
- }
-
- if (_frame_rebuild_needed) {
- _image.reset (new wxImage (std_to_wx (_film->thumb_file (_index))));
-
- _subtitle.reset ();
- pair<Position, string> s = _film->thumb_subtitle (_index);
- if (!s.second.empty ()) {
- _subtitle.reset (new SubtitleView (s.first, std_to_wx (s.second)));
- }
-
- _frame_rebuild_needed = false;
- compose ();
- }
-
- if (_composition_needed) {
- compose ();
- }
-
- wxPaintDC dc (this);
- if (_bitmap) {
- dc.DrawBitmap (*_bitmap, 0, 0, false);
- }
-
- if (_film->with_subtitles() && _subtitle) {
- dc.DrawBitmap (*_subtitle->bitmap, _subtitle->transformed_area.x, _subtitle->transformed_area.y, true);
- }
- }
-
- /** Handle a size event */
- void size_event (wxSizeEvent &)
- {
- if (!_image) {
- return;
- }
-
- recompose ();
- }
-
- /** @param n Thumbnail index */
- void set (int n)
- {
- _index = n;
- _frame_rebuild_needed = true;
- Refresh ();
- }
-
- void set_film (shared_ptr<Film> f)
- {
- _film = f;
- if (!_film) {
- clear ();
- _frame_rebuild_needed = true;
- Refresh ();
- } else {
- _frame_rebuild_needed = true;
- Refresh ();
- }
- }
-
- /** Clear our thumbnail image */
- void clear ()
- {
- _bitmap.reset ();
- _image.reset ();
- _subtitle.reset ();
- }
-
- void recompose ()
- {
- _composition_needed = true;
- Refresh ();
- }
-
- DECLARE_EVENT_TABLE ();
-
-private:
-
- void compose ()
- {
- _composition_needed = false;
-
- if (!_film || !_image) {
- return;
- }
-
- /* Size of the view */
- int vw, vh;
- GetSize (&vw, &vh);
-
- Crop const fc = _film->crop ();
-
- /* Cropped rectangle */
- Rect cropped_area (
- fc.left,
- fc.top,
- _image->GetWidth() - (fc.left + fc.right),
- _image->GetHeight() - (fc.top + fc.bottom)
- );
-
- /* Target ratio */
- float const target = _film->format() ? _film->format()->ratio_as_float (_film) : 1.78;
-
- _transformed_image = _image->GetSubImage (wxRect (cropped_area.x, cropped_area.y, cropped_area.width, cropped_area.height));
-
- float x_scale = 1;
- float y_scale = 1;
-
- if ((float (vw) / vh) > target) {
- /* view is longer (horizontally) than the ratio; fit height */
- _transformed_image.Rescale (vh * target, vh, wxIMAGE_QUALITY_HIGH);
- x_scale = vh * target / cropped_area.width;
- y_scale = float (vh) / cropped_area.height;
- } else {
- /* view is shorter (horizontally) than the ratio; fit width */
- _transformed_image.Rescale (vw, vw / target, wxIMAGE_QUALITY_HIGH);
- x_scale = float (vw) / cropped_area.width;
- y_scale = (vw / target) / cropped_area.height;
- }
-
- _bitmap.reset (new wxBitmap (_transformed_image));
-
- if (_subtitle) {
-
- _subtitle->transformed_area = subtitle_transformed_area (
- x_scale, y_scale, _subtitle->base_area, _film->subtitle_offset(), _film->subtitle_scale()
- );
-
- _subtitle->transformed_image = _subtitle->base_image;
- _subtitle->transformed_image.Rescale (_subtitle->transformed_area.width, _subtitle->transformed_area.height, wxIMAGE_QUALITY_HIGH);
- _subtitle->transformed_area.x -= rint (_film->crop().left * x_scale);
- _subtitle->transformed_area.y -= rint (_film->crop().top * y_scale);
- _subtitle->bitmap.reset (new wxBitmap (_subtitle->transformed_image));
- }
- }
-
- shared_ptr<Film> _film;
- shared_ptr<wxImage> _image;
- wxImage _transformed_image;
- /** currently-displayed thumbnail index */
- int _index;
- shared_ptr<wxBitmap> _bitmap;
- bool _frame_rebuild_needed;
- bool _composition_needed;
-
- struct SubtitleView
- {
- SubtitleView (Position p, wxString const & i)
- : base_image (i)
- {
- base_area.x = p.x;
- base_area.y = p.y;
- base_area.width = base_image.GetWidth ();
- base_area.height = base_image.GetHeight ();
- }
-
- Rect base_area;
- Rect transformed_area;
- wxImage base_image;
- wxImage transformed_image;
- shared_ptr<wxBitmap> bitmap;
- };
-
- shared_ptr<SubtitleView> _subtitle;
-};
-
-BEGIN_EVENT_TABLE (ThumbPanel, wxPanel)
-EVT_PAINT (ThumbPanel::paint_event)
-EVT_SIZE (ThumbPanel::size_event)
-END_EVENT_TABLE ()
-
FilmViewer::FilmViewer (shared_ptr<Film> f, wxWindow* p)
: wxPanel (p)
+ , _player (new FFmpegPlayer (this))
{
- _sizer = new wxBoxSizer (wxVERTICAL);
- SetSizer (_sizer);
-
- _thumb_panel = new ThumbPanel (this, f);
- _sizer->Add (_thumb_panel, 1, wxEXPAND);
+ wxBoxSizer* v_sizer = new wxBoxSizer (wxVERTICAL);
+ SetSizer (v_sizer);
- int const m = max ((size_t) 1, f ? f->thumbs().size() - 1 : 0);
- _slider = new wxSlider (this, wxID_ANY, 0, 0, m);
- _sizer->Add (_slider, 0, wxEXPAND | wxLEFT | wxRIGHT);
- set_thumbnail (0);
+ v_sizer->Add (_player->panel(), 1, wxEXPAND);
- _slider->Connect (wxID_ANY, wxEVT_COMMAND_SLIDER_UPDATED, wxCommandEventHandler (FilmViewer::slider_changed), 0, this);
+ wxBoxSizer* h_sizer = new wxBoxSizer (wxHORIZONTAL);
+ h_sizer->Add (_player->play_button(), 0, wxEXPAND);
+ h_sizer->Add (_player->slider(), 1, wxEXPAND);
- set_film (_film);
-}
+ v_sizer->Add (h_sizer, 0, wxEXPAND);
-void
-FilmViewer::set_thumbnail (int n)
-{
- if (_film == 0 || int (_film->thumbs().size()) <= n) {
- return;
- }
-
- _thumb_panel->set (n);
-}
-
-void
-FilmViewer::slider_changed (wxCommandEvent &)
-{
- set_thumbnail (_slider->GetValue ());
+ set_film (_film);
}
void
ensure_ui_thread ();
switch (p) {
- case Film::THUMBS:
- if (_film && _film->thumbs().size() > 1) {
- _slider->SetRange (0, _film->thumbs().size() - 1);
- } else {
- _thumb_panel->clear ();
- _slider->SetRange (0, 1);
- }
- _slider->SetValue (0);
- set_thumbnail (0);
- break;
case Film::CONTENT:
- setup_visibility ();
+ _player->set_file (_film->content_path ());
break;
+
case Film::CROP:
+ {
+ Crop c = _film->crop ();
+ _player->set_left_crop (c.left);
+ _player->set_right_crop (c.right);
+ _player->set_top_crop (c.top);
+ _player->set_bottom_crop (c.bottom);
+ }
+ break;
+
case Film::FORMAT:
- case Film::WITH_SUBTITLES:
- case Film::SUBTITLE_OFFSET:
- case Film::SUBTITLE_SCALE:
- _thumb_panel->recompose ();
+ if (_film->format()) {
+ _player->set_ratio (_film->format()->ratio_as_float(_film));
+ }
break;
+
default:
break;
}
}
_film = f;
- _thumb_panel->set_film (_film);
if (!_film) {
return;
}
_film->Changed.connect (bind (&FilmViewer::film_changed, this, _1));
+ film_changed (Film::CONTENT);
film_changed (Film::CROP);
- film_changed (Film::THUMBS);
- setup_visibility ();
-}
-
-void
-FilmViewer::setup_visibility ()
-{
- if (!_film) {
- return;
- }
-
- ContentType const c = _film->content_type ();
- _slider->Show (c == VIDEO);
+ film_changed (Film::FORMAT);
}