#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->num_thumbs() == 0) {
+ wxPaintDC dc (this);
+ return;
+ }
+
+ if (_frame_rebuild_needed) {
+ _image.reset (new wxImage (std_to_wx (_film->thumb_file (_index))));
+
+ _subtitles.clear ();
+ list<pair<Position, string> > s = _film->thumb_subtitles (_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)));
+ }
+
+ _frame_rebuild_needed = false;
+
+ compose ();
+ _composition_needed = false;
}
- if (_current_crop != _pending_crop) {
- _current_crop = _pending_crop;
- setup ();
+ if (_composition_needed) {
+ compose ();
+ _composition_needed = false;
}
wxPaintDC dc (this);
if (_bitmap) {
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->transformed_area.x, i->transformed_area.y, true);
+ }
+ }
}
/** Handle a size event */
return;
}
- setup ();
- Refresh ();
- }
-
- void set (string f)
- {
- _pending_image = f;
- Refresh ();
+ recompose ();
}
- void set_crop (Crop c)
+ /** @param n Thumbnail index */
+ void set (int n)
{
- _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 ();
+ _subtitles.clear ();
}
- void refresh ()
+ void recompose ()
{
- setup ();
+ _composition_needed = true;
Refresh ();
}
private:
- void setup ()
+ void compose ()
{
if (!_film || !_image) {
return;
}
-
+
+ /* Size of the view */
int vw, vh;
GetSize (&vw, &vh);
+ /* Cropped rectangle */
+ Rectangle cropped_area (
+ _film->crop().left,
+ _film->crop().top,
+ _image->GetWidth() - (_film->crop().left + _film->crop().right),
+ _image->GetHeight() - (_film->crop().top + _film->crop().bottom)
+ );
+
+ /* Target ratio */
float const target = _film->format() ? _film->format()->ratio_as_float (_film) : 1.78;
- _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)
- )
- );
+ _transformed_image = _image->GetSubImage (wxRect (cropped_area.x, cropped_area.y, cropped_area.w, cropped_area.h));
+
+ 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.w;
+ y_scale = float (vh) / cropped_area.h;
} 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.w;
+ y_scale = (vw / target) / cropped_area.h;
}
- delete _bitmap;
- _bitmap = new wxBitmap (_cropped_image);
+ _bitmap.reset (new wxBitmap (_transformed_image));
+
+ for (list<SubtitleView>::iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) {
+
+ i->transformed_area = transformed_subtitle_area (
+ x_scale, y_scale, i->base_area, _film->subtitle_offset(), _film->subtitle_scale()
+ );
+
+ i->transformed_image = i->base_image;
+ i->transformed_image.Rescale (i->transformed_area.w, i->transformed_area.h, wxIMAGE_QUALITY_HIGH);
+ i->transformed_area.x -= _film->crop().left;
+ i->transformed_area.y -= _film->crop().top;
+ i->bitmap.reset (new wxBitmap (i->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.w = base_image.GetWidth ();
+ base_area.h = base_image.GetHeight ();
+ }
+
+ Rectangle base_area;
+ Rectangle transformed_area;
+ wxImage base_image;
+ wxImage transformed_image;
+ shared_ptr<wxBitmap> bitmap;
+ };
+
+ list<SubtitleView> _subtitles;
};
BEGIN_EVENT_TABLE (ThumbPanel, wxPanel)
return;
}
- _thumb_panel->set (_film->thumb_file(n));
+ _thumb_panel->set (n);
}
void
void
FilmViewer::film_changed (Film::Property p)
{
- if (p == Film::CROP) {
- _thumb_panel->set_crop (_film->crop ());
- } else if (p == Film::THUMBS) {
+ switch (p) {
+ case Film::THUMBS:
if (_film && _film->num_thumbs() > 1) {
_slider->SetRange (0, _film->num_thumbs () - 1);
} else {
_slider->SetValue (0);
set_thumbnail (0);
- } else if (p == Film::FORMAT) {
- _thumb_panel->refresh ();
- } else if (p == Film::CONTENT) {
+ break;
+ case Film::CONTENT:
setup_visibility ();
_film->examine_content ();
update_thumbs ();
+ break;
+ case Film::CROP:
+ case Film::FORMAT:
+ case Film::WITH_SUBTITLES:
+ case Film::SUBTITLE_OFFSET:
+ case Film::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 ();
}
_film->update_thumbs_pre_gui ();
shared_ptr<const FilmState> s = _film->state_copy ();
- shared_ptr<Options> o (new Options (s->dir ("thumbs"), ".tiff", ""));
+ 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;
+ o->decode_subtitles = true;
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));