#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)
- {
- }
+ , _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->num_thumbs() == 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);
+ _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)));
}
- setup ();
+ _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 (_film->with_subtitles ()) {
for (list<SubtitleView>::iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) {
- dc.DrawBitmap (*i->bitmap, i->position.x, i->position.y, true);
+ dc.DrawBitmap (*i->bitmap, i->transformed_area.x, i->transformed_area.y, true);
}
}
}
return;
}
- setup ();
- Refresh ();
+ recompose ();
}
/** @param n Thumbnail index */
void set (int n)
{
- _pending_index = n;
- 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 ();
}
}
_subtitles.clear ();
}
- void refresh ()
+ void recompose ()
{
- setup ();
+ _composition_needed = true;
Refresh ();
}
private:
- void setup ()
+ void compose ()
{
if (!_film || !_image) {
return;
GetSize (&vw, &vh);
/* 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)
+ 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 (cropped.x, cropped.y, cropped.w, cropped.h));
+ _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);
- 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.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);
- 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.w;
+ y_scale = (vw / target) / cropped_area.h;
}
- _bitmap.reset (new wxBitmap (_cropped_image));
+ _bitmap.reset (new wxBitmap (_transformed_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);
-
- 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);
- i->position = Position (
- cropped_sub_rect.x * x_scale,
- cropped_sub_rect.y * y_scale
+ i->transformed_area = transformed_subtitle_area (
+ x_scale, y_scale, i->base_area, _film->subtitle_offset(), _film->subtitle_scale()
);
- i->bitmap.reset (new wxBitmap (i->cropped_image));
+ 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;
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;
- wxImage cropped_image;
+ : 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;
};
FilmViewer::film_changed (Film::Property p)
{
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);
_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;
_film->Changed.connect (sigc::mem_fun (*this, &FilmViewer::film_changed));
film_changed (Film::CROP);
film_changed (Film::THUMBS);
- _thumb_panel->refresh ();
setup_visibility ();
}
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));