+/*
+ Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+/** @file src/film_viewer.cc
+ * @brief A wx widget to view `thumbnails' of a Film.
+ */
+
#include <iostream>
+#include <iomanip>
#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 "film_viewer.h"
+#include "wx_util.h"
using namespace std;
+using namespace boost;
class ThumbPanel : public wxPanel
{
public:
- ThumbPanel (wxFrame* parent)
+ ThumbPanel (wxPanel* parent, Film* film)
: wxPanel (parent)
+ , _film (film)
+ , _image (0)
, _bitmap (0)
{
}
+ /** Handle a paint event */
void paint_event (wxPaintEvent& ev)
{
- if (!_bitmap) {
- return;
+ if (_current_image != _pending_image) {
+ delete _image;
+ _image = new wxImage (std_to_wx (_pending_image));
+ _current_image = _pending_image;
+ setup ();
+ }
+
+ if (_current_crop != _pending_crop) {
+ _current_crop = _pending_crop;
+ setup ();
}
- cout << "RENDER\n";
-
wxPaintDC dc (this);
- dc.DrawBitmap (*_bitmap, 0, 0, false);
+ if (_bitmap) {
+ dc.DrawBitmap (*_bitmap, 0, 0, false);
+ }
+ }
+
+ /** Handle a size event */
+ void size_event (wxSizeEvent &)
+ {
+ if (!_image) {
+ return;
+ }
+
+ setup ();
+ Refresh ();
+ }
+
+ void set (string f)
+ {
+ _pending_image = f;
+ Refresh ();
}
- void set_bitmap (wxBitmap* bitmap)
+ void set_crop (Crop c)
{
- _bitmap = bitmap;
+ _pending_crop = c;
+ Refresh ();
+ }
+
+ void set_film (Film* f)
+ {
+ _film = f;
+ if (!_film) {
+ clear ();
+ Refresh ();
+ } else {
+ setup ();
+ Refresh ();
+ }
+ }
+
+ /** Clear our thumbnail image */
+ void clear ()
+ {
+ delete _bitmap;
+ _bitmap = 0;
+ delete _image;
+ _image = 0;
+ }
+
+ void refresh ()
+ {
+ setup ();
+ Refresh ();
}
DECLARE_EVENT_TABLE ();
private:
+
+ void setup ()
+ {
+ if (!_film || !_image) {
+ return;
+ }
+
+ int vw, vh;
+ GetSize (&vw, &vh);
+
+ 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)
+ )
+ );
+
+ if ((float (vw) / vh) > target) {
+ /* view is longer (horizontally) than the ratio; fit height */
+ _cropped_image.Rescale (vh * target, vh, wxIMAGE_QUALITY_HIGH);
+ } else {
+ /* view is shorter (horizontally) than the ratio; fit width */
+ _cropped_image.Rescale (vw, vw / target, wxIMAGE_QUALITY_HIGH);
+ }
+
+ delete _bitmap;
+ _bitmap = new wxBitmap (_cropped_image);
+ }
+
+ Film* _film;
+ wxImage* _image;
+ std::string _current_image;
+ std::string _pending_image;
+ wxImage _cropped_image;
wxBitmap* _bitmap;
+ Crop _current_crop;
+ Crop _pending_crop;
};
BEGIN_EVENT_TABLE (ThumbPanel, wxPanel)
EVT_PAINT (ThumbPanel::paint_event)
+EVT_SIZE (ThumbPanel::size_event)
END_EVENT_TABLE ()
-FilmViewer::FilmViewer (Film* f, wxFrame* p)
- : _film (f)
- , _image (0)
- , _scaled_image (0)
- , _bitmap (0)
+FilmViewer::FilmViewer (Film* f, wxWindow* p)
+ : wxPanel (p)
+ , _film (0)
{
- _thumb_panel = new ThumbPanel (p);
- _thumb_panel->Show (true);
- int x, y;
- _thumb_panel->GetSize (&x, &y);
- cout << x << " " << y << "\n";
+ _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);
+ _sizer->Add (_slider, 0, wxEXPAND | wxLEFT | wxRIGHT);
+ set_thumbnail (0);
+
+ _slider->Connect (wxID_ANY, wxEVT_COMMAND_SLIDER_UPDATED, wxCommandEventHandler (FilmViewer::slider_changed), 0, this);
+
+ set_film (_film);
}
void
-FilmViewer::load_thumbnail (int n)
+FilmViewer::set_thumbnail (int n)
{
- if (_film == 0 && _film->num_thumbs() <= n) {
+ if (_film == 0 || _film->num_thumbs() <= n) {
return;
}
- _image = new wxImage (wxString (_film->thumb_file(n).c_str (), wxConvUTF8));
- _scaled_image = new wxImage (_image->Scale (512, 512));
- _bitmap = new wxBitmap (*_scaled_image);
- _thumb_panel->set_bitmap (_bitmap);
+ _thumb_panel->set (_film->thumb_file(n));
+}
+
+void
+FilmViewer::slider_changed (wxCommandEvent &)
+{
+ set_thumbnail (_slider->GetValue ());
+}
+
+void
+FilmViewer::film_changed (Film::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);
+ } 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) {
+ setup_visibility ();
+ _film->examine_content ();
+ update_thumbs ();
+ }
}
-wxPanel *
-FilmViewer::get_widget ()
+void
+FilmViewer::set_film (Film* f)
{
- return _thumb_panel;
+ if (_film == f) {
+ return;
+ }
+
+ _film = f;
+ _thumb_panel->set_film (_film);
+
+ if (!_film) {
+ return;
+ }
+
+ _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 ()
+{
+ if (!_film) {
+ return;
+ }
+
+ ContentType const c = _film->content_type ();
+ _slider->Show (c == VIDEO);
}
projects / dcpomatic.git / blobdiff