#include "lib/film.h"
#include "lib/format.h"
#include "lib/util.h"
-#include "lib/thumbs_job.h"
#include "lib/job_manager.h"
-#include "lib/film_state.h"
#include "lib/options.h"
+#include "lib/subtitle.h"
#include "film_viewer.h"
#include "wx_util.h"
-using namespace std;
-using namespace boost;
+using std::string;
+using std::pair;
+using std::max;
+using boost::shared_ptr;
class ThumbPanel : public wxPanel
{
public:
- ThumbPanel (wxPanel* parent, Film* film)
+ 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 (_current_index != _pending_index) {
- _image.reset (new wxImage (std_to_wx (_film->thumb_file (_pending_index))));
- _current_index = _pending_index;
+ if (!_film || _film->thumbs().size() == 0) {
+ wxPaintDC dc (this);
+ return;
+ }
- _subtitles.clear ();
+ if (_frame_rebuild_needed) {
+ _image.reset (new wxImage (std_to_wx (_film->thumb_file (_index))));
- list<pair<Position, string> > s = _film->thumb_subtitles (_pending_index);
- for (list<pair<Position, string> >::iterator i = s.begin(); i != s.end(); ++i) {
- _subtitles.push_back (SubtitleView (i->first, std_to_wx (i->second)));
+ _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)));
}
- setup ();
+ _frame_rebuild_needed = false;
+ compose ();
}
- if (_current_crop != _pending_crop) {
- _current_crop = _pending_crop;
- setup ();
+ if (_composition_needed) {
+ compose ();
}
wxPaintDC dc (this);
dc.DrawBitmap (*_bitmap, 0, 0, false);
}
- if (_film->with_subtitles ()) {
- for (list<SubtitleView>::iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) {
- dc.DrawBitmap (*i->bitmap, i->cropped_position.x, i->cropped_position.y, true);
- }
+ if (_film->with_subtitles() && _subtitle) {
+ dc.DrawBitmap (*_subtitle->bitmap, _subtitle->transformed_area.x, _subtitle->transformed_area.y, true);
}
}
return;
}
- setup ();
- Refresh ();
+ recompose ();
}
/** @param n Thumbnail index */
void set (int n)
{
- _pending_index = n;
+ _index = n;
+ _frame_rebuild_needed = true;
Refresh ();
}
- void set_crop (Crop c)
- {
- _pending_crop = c;
- Refresh ();
- }
-
- void set_film (Film* f)
+ void set_film (shared_ptr<Film> f)
{
_film = f;
if (!_film) {
clear ();
+ _frame_rebuild_needed = true;
Refresh ();
} else {
- setup ();
+ _frame_rebuild_needed = true;
Refresh ();
}
}
{
_bitmap.reset ();
_image.reset ();
- _subtitles.clear ();
+ _subtitle.reset ();
}
- void refresh ()
+ void recompose ()
{
- setup ();
+ _composition_needed = true;
Refresh ();
}
private:
- void setup ()
+ void compose ()
{
+ _composition_needed = false;
+
if (!_film || !_image) {
return;
}
int vw, vh;
GetSize (&vw, &vh);
+ Crop const fc = _film->crop ();
+
/* Cropped rectangle */
- Rectangle cropped (
- _current_crop.left,
- _current_crop.top,
- _image->GetWidth() - (_current_crop.left + _current_crop.right),
- _image->GetHeight() - (_current_crop.top + _current_crop.bottom)
+ 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;
- _cropped_image = _image->GetSubImage (wxRect (cropped.x, cropped.y, cropped.w, cropped.h));
+ _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 */
- _cropped_image.Rescale (vh * target, vh, wxIMAGE_QUALITY_HIGH);
- x_scale = vh * target / _image->GetWidth ();
- y_scale = float (vh) / _image->GetHeight ();
+ _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 */
- _cropped_image.Rescale (vw, vw / target, wxIMAGE_QUALITY_HIGH);
- x_scale = float (vw) / _image->GetWidth ();
- y_scale = (vw / target) / _image->GetHeight ();
+ _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 (_cropped_image));
-
- for (list<SubtitleView>::iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) {
- Rectangle sub_rect (i->position.x, i->position.y, i->image.GetWidth(), i->image.GetHeight());
- Rectangle cropped_sub_rect = sub_rect.intersection (cropped);
+ _bitmap.reset (new wxBitmap (_transformed_image));
- i->cropped_image = i->image.GetSubImage (
- wxRect (
- cropped_sub_rect.x - sub_rect.x,
- cropped_sub_rect.y - sub_rect.y,
- cropped_sub_rect.w,
- cropped_sub_rect.h
- )
- );
-
- i->cropped_image.Rescale (cropped_sub_rect.w * x_scale, cropped_sub_rect.h * y_scale, wxIMAGE_QUALITY_HIGH);
+ if (_subtitle) {
- i->cropped_position = Position (
- cropped_sub_rect.x * x_scale,
- cropped_sub_rect.y * y_scale
+ _subtitle->transformed_area = subtitle_transformed_area (
+ x_scale, y_scale, _subtitle->base_area, _film->subtitle_offset(), _film->subtitle_scale()
);
- i->bitmap.reset (new wxBitmap (i->cropped_image));
+ _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));
}
}
- Film* _film;
+ shared_ptr<Film> _film;
shared_ptr<wxImage> _image;
- wxImage _cropped_image;
+ wxImage _transformed_image;
/** currently-displayed thumbnail index */
- int _current_index;
- int _pending_index;
+ int _index;
shared_ptr<wxBitmap> _bitmap;
- Crop _current_crop;
- Crop _pending_crop;
+ bool _frame_rebuild_needed;
+ bool _composition_needed;
struct SubtitleView
{
SubtitleView (Position p, wxString const & i)
- : position (p)
- , image (i)
- {}
-
- Position position;
- wxImage image;
- Position cropped_position;
- wxImage cropped_image;
+ : 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;
};
- list<SubtitleView> _subtitles;
+ shared_ptr<SubtitleView> _subtitle;
};
BEGIN_EVENT_TABLE (ThumbPanel, wxPanel)
EVT_SIZE (ThumbPanel::size_event)
END_EVENT_TABLE ()
-FilmViewer::FilmViewer (Film* f, wxWindow* p)
+FilmViewer::FilmViewer (shared_ptr<Film> f, wxWindow* p)
: wxPanel (p)
- , _film (0)
{
_sizer = new wxBoxSizer (wxVERTICAL);
SetSizer (_sizer);
_thumb_panel = new ThumbPanel (this, f);
_sizer->Add (_thumb_panel, 1, wxEXPAND);
- int const max = f ? f->num_thumbs() - 1 : 0;
- _slider = new wxSlider (this, wxID_ANY, 0, 0, max);
+ 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);
void
FilmViewer::set_thumbnail (int n)
{
- if (_film == 0 || _film->num_thumbs() <= n) {
+ if (_film == 0 || int (_film->thumbs().size()) <= n) {
return;
}
void
FilmViewer::film_changed (Film::Property p)
{
+ ensure_ui_thread ();
+
switch (p) {
- case Film::CROP:
- _thumb_panel->set_crop (_film->crop ());
- break;
case Film::THUMBS:
- if (_film && _film->num_thumbs() > 1) {
- _slider->SetRange (0, _film->num_thumbs () - 1);
+ 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::FORMAT:
- _thumb_panel->refresh ();
- break;
case Film::CONTENT:
setup_visibility ();
- _film->examine_content ();
- update_thumbs ();
break;
+ case Film::CROP:
+ case Film::FORMAT:
case Film::WITH_SUBTITLES:
- _thumb_panel->Refresh ();
+ case Film::SUBTITLE_OFFSET:
+ case Film::SUBTITLE_SCALE:
+ _thumb_panel->recompose ();
break;
default:
break;
}
void
-FilmViewer::set_film (Film* f)
+FilmViewer::set_film (shared_ptr<Film> f)
{
if (_film == f) {
return;
return;
}
- _film->Changed.connect (sigc::mem_fun (*this, &FilmViewer::film_changed));
+ _film->Changed.connect (bind (&FilmViewer::film_changed, this, _1));
film_changed (Film::CROP);
film_changed (Film::THUMBS);
- _thumb_panel->refresh ();
setup_visibility ();
}
-void
-FilmViewer::update_thumbs ()
-{
- if (!_film) {
- return;
- }
-
- _film->update_thumbs_pre_gui ();
-
- shared_ptr<const FilmState> s = _film->state_copy ();
- shared_ptr<Options> o (new Options (s->dir ("thumbs"), ".png", ""));
- o->out_size = _film->size ();
- o->apply_crop = false;
- o->decode_audio = false;
- o->decode_video_frequency = 128;
-
- shared_ptr<Job> j (new ThumbsJob (s, o, _film->log(), shared_ptr<Job> ()));
- j->Finished.connect (sigc::mem_fun (_film, &Film::update_thumbs_post_gui));
- JobManager::instance()->add (j);
-}
-
void
FilmViewer::setup_visibility ()
{