2 Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <boost/filesystem.hpp>
23 #include "imagemagick_decoder.h"
26 #include "exceptions.h"
29 using boost::shared_ptr;
31 ImageMagickDecoder::ImageMagickDecoder (
32 boost::shared_ptr<Film> f, boost::shared_ptr<const Options> o, Job* j)
35 if (boost::filesystem::is_directory (_film->content_path())) {
37 boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (_film->content_path());
38 i != boost::filesystem::directory_iterator();
41 if (still_image_file (i->path().string())) {
42 _files.push_back (i->path().string());
46 _files.push_back (_film->content_path ());
49 _iter = _files.begin ();
53 ImageMagickDecoder::native_size () const
55 if (_files.empty ()) {
56 throw DecodeError ("no still image files found");
59 /* Look at the first file and assume its size holds for all */
60 using namespace MagickCore;
61 Magick::Image* image = new Magick::Image (_film->content_path ());
62 Size const s = Size (image->columns(), image->rows());
69 ImageMagickDecoder::pass ()
71 if (_iter == _files.end()) {
75 using namespace MagickCore;
77 Magick::Image* magick_image = new Magick::Image (_film->content_path ());
79 Size size = native_size ();
80 shared_ptr<CompactImage> image (new CompactImage (PIX_FMT_RGB24, size));
82 uint8_t* p = image->data()[0];
83 for (int y = 0; y < size.height; ++y) {
84 for (int x = 0; x < size.width; ++x) {
85 Magick::Color c = magick_image->pixelColor (x, y);
86 *p++ = c.redQuantum() * 255 / QuantumRange;
87 *p++ = c.greenQuantum() * 255 / QuantumRange;
88 *p++ = c.blueQuantum() * 255 / QuantumRange;
101 ImageMagickDecoder::pixel_format () const
103 /* XXX: always true? */
104 return PIX_FMT_RGB24;