#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"
ThumbPanel (wxPanel* parent, Film* film)
: wxPanel (parent)
, _film (film)
- , _image (0)
- , _bitmap (0)
- {
- }
+ , _frame_rebuild_needed (false)
+ , _composition_needed (false)
+ {}
/** Handle a paint event */
void paint_event (wxPaintEvent& ev)
{
- if (_current_image != _pending_image) {
- delete _image;
- _image = new wxImage (std_to_wx (_pending_image));
- _current_image = _pending_image;
- setup ();
+ if (!_film || _film->thumbs().size() == 0) {
+ wxPaintDC dc (this);
+ return;
}
- if (_current_crop != _pending_crop) {
- _current_crop = _pending_crop;
- setup ();
+ 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 */
return;
}
- setup ();
- Refresh ();
+ recompose ();
}
- void set (string f)
+ /** @param n Thumbnail index */
+ void set (int n)
{
- _pending_image = f;
- Refresh ();
- }
-
- void set_crop (Crop c)
- {
- _pending_crop = c;
+ _index = n;
+ _frame_rebuild_needed = true;
Refresh ();
}
_film = f;
if (!_film) {
clear ();
+ _frame_rebuild_needed = true;
Refresh ();
} else {
- setup ();
+ _frame_rebuild_needed = true;
Refresh ();
}
}
/** Clear our thumbnail image */
void clear ()
{
- delete _bitmap;
- _bitmap = 0;
- delete _image;
- _image = 0;
+ _bitmap.reset ();
+ _image.reset ();
+ _subtitle.reset ();
}
- void refresh ()
+ void recompose ()
{
- setup ();
+ _composition_needed = true;
Refresh ();
}
private:
- void setup ()
+ void compose ()
{
+ _composition_needed = false;
+
if (!_film || !_image) {
return;
}
-
+
+ /* Size of the view */
int vw, vh;
GetSize (&vw, &vh);
- float const target = _film->format() ? _film->format()->ratio_as_float (_film) : 1.78;
+ Crop const fc = _film->crop ();
- _cropped_image = _image->GetSubImage (
- wxRect (
- _current_crop.left,
- _current_crop.top,
- _image->GetWidth() - (_current_crop.left + _current_crop.right),
- _image->GetHeight() - (_current_crop.top + _current_crop.bottom)
- )
+ /* 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 */
- _cropped_image.Rescale (vh * target, vh, wxIMAGE_QUALITY_HIGH);
+ _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);
+ _transformed_image.Rescale (vw, vw / target, wxIMAGE_QUALITY_HIGH);
+ x_scale = float (vw) / cropped_area.width;
+ y_scale = (vw / target) / cropped_area.height;
}
- delete _bitmap;
- _bitmap = new wxBitmap (_cropped_image);
+ _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));
+ }
}
Film* _film;
- wxImage* _image;
- std::string _current_image;
- std::string _pending_image;
- wxImage _cropped_image;
- wxBitmap* _bitmap;
- Crop _current_crop;
- Crop _pending_crop;
+ 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)
_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;
}
- _thumb_panel->set (_film->thumb_file(n));
+ _thumb_panel->set (n);
}
void
}
void
-FilmViewer::film_changed (Film::Property p)
+FilmViewer::film_changed (FilmState::Property p)
{
- if (p == Film::CROP) {
- _thumb_panel->set_crop (_film->crop ());
- } else if (p == Film::THUMBS) {
- if (_film && _film->num_thumbs() > 1) {
- _slider->SetRange (0, _film->num_thumbs () - 1);
+ ensure_ui_thread ();
+
+ switch (p) {
+ case FilmState::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);
- } else if (p == Film::FORMAT) {
- _thumb_panel->refresh ();
- } else if (p == Film::CONTENT) {
+ break;
+ case FilmState::CONTENT:
setup_visibility ();
- _film->examine_content ();
- update_thumbs ();
+ break;
+ case FilmState::CROP:
+ case FilmState::FORMAT:
+ case FilmState::WITH_SUBTITLES:
+ case FilmState::SUBTITLE_OFFSET:
+ case FilmState::SUBTITLE_SCALE:
+ _thumb_panel->recompose ();
+ break;
+ default:
+ break;
}
}
_film->Changed.connect (sigc::mem_fun (*this, &FilmViewer::film_changed));
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"), ".tiff", ""));
- 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 ()));
- j->Finished.connect (sigc::mem_fun (_film, &Film::update_thumbs_post_gui));
- JobManager::instance()->add (j);
-}
-
void
FilmViewer::setup_visibility ()
{