diff options
| author | Carl Hetherington <cth@carlh.net> | 2013-07-19 16:08:29 +0100 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2013-07-19 16:08:29 +0100 |
| commit | bd453939da140ea994282e1c167ea5f8d02e2d94 (patch) | |
| tree | 8cdfbacdc9f33f82ab13895a0ed5207fd0bc8fa1 /src/lib/still_image_decoder.cc | |
| parent | 56506a1993f402fe889a650faa3de2e265632498 (diff) | |
Spacing tweaks; rename ImageMagick -> StillImage.
Diffstat (limited to 'src/lib/still_image_decoder.cc')
| -rw-r--r-- | src/lib/still_image_decoder.cc | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/lib/still_image_decoder.cc b/src/lib/still_image_decoder.cc new file mode 100644 index 000000000..21cc83f54 --- /dev/null +++ b/src/lib/still_image_decoder.cc @@ -0,0 +1,87 @@ +/* + Copyright (C) 2012-2013 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. + +*/ + +#include <iostream> +#include <boost/filesystem.hpp> +#include <Magick++.h> +#include "still_image_content.h" +#include "still_image_decoder.h" +#include "image.h" +#include "film.h" +#include "exceptions.h" + +#include "i18n.h" + +using std::cout; +using boost::shared_ptr; +using libdcp::Size; + +StillImageDecoder::StillImageDecoder (shared_ptr<const Film> f, shared_ptr<const StillImageContent> c) + : Decoder (f) + , VideoDecoder (f) + , StillImage (c) +{ + +} + +void +StillImageDecoder::pass () +{ + if (_video_position >= _still_image_content->video_length ()) { + return; + } + + if (_image) { + video (_image, true, _video_position); + return; + } + + Magick::Image* magick_image = new Magick::Image (_still_image_content->file().string ()); + _video_size = libdcp::Size (magick_image->columns(), magick_image->rows()); + + _image.reset (new Image (PIX_FMT_RGB24, _video_size.get(), false)); + + using namespace MagickCore; + + uint8_t* p = _image->data()[0]; + for (int y = 0; y < _video_size->height; ++y) { + for (int x = 0; x < _video_size->width; ++x) { + Magick::Color c = magick_image->pixelColor (x, y); + *p++ = c.redQuantum() * 255 / QuantumRange; + *p++ = c.greenQuantum() * 255 / QuantumRange; + *p++ = c.blueQuantum() * 255 / QuantumRange; + } + } + + delete magick_image; + + video (_image, false, _video_position); +} + +void +StillImageDecoder::seek (VideoContent::Frame frame, bool) +{ + _video_position = frame; +} + +bool +StillImageDecoder::done () const +{ + return _video_position >= _still_image_content->video_length (); +} |
