2 Copyright (C) 2014 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 "magick_image_proxy.h"
23 #include "exceptions.h"
31 #define LOG_TIMING(...) _log->microsecond_log (String::compose (__VA_ARGS__), Log::TYPE_TIMING);
33 using boost::shared_ptr;
35 MagickImageProxy::MagickImageProxy (boost::filesystem::path path, shared_ptr<Log> log)
38 /* Read the file into a Blob */
40 boost::uintmax_t const size = boost::filesystem::file_size (path);
41 FILE* f = fopen_boost (path, "rb");
43 throw OpenFileError (path);
46 uint8_t* data = new uint8_t[size];
47 if (fread (data, 1, size, f) != size) {
49 throw ReadFileError (path);
53 _blob.update (data, size);
57 MagickImageProxy::MagickImageProxy (shared_ptr<cxml::Node>, shared_ptr<Socket> socket, shared_ptr<Log> log)
60 uint32_t const size = socket->read_uint32 ();
61 uint8_t* data = new uint8_t[size];
62 socket->read (data, size);
63 _blob.update (data, size);
68 MagickImageProxy::image () const
74 LOG_TIMING ("[%1] MagickImageProxy begins decode and convert of %2 bytes", boost::this_thread::get_id(), _blob.length());
76 Magick::Image* magick_image = 0;
78 magick_image = new Magick::Image (_blob);
80 throw DecodeError (_("Could not decode image file"));
83 dcp::Size size (magick_image->columns(), magick_image->rows());
84 LOG_TIMING ("[%1] MagickImageProxy decode finished", boost::this_thread::get_id ());
86 _image.reset (new Image (PIX_FMT_RGB24, size, true));
88 /* Write line-by-line here as _image must be aligned, and write() cannot be told about strides */
89 uint8_t* p = _image->data()[0];
90 for (int i = 0; i < size.height; ++i) {
91 using namespace MagickCore;
92 magick_image->write (0, i, size.width, 1, "RGB", CharPixel, p);
93 p += _image->stride()[0];
98 LOG_TIMING ("[%1] MagickImageProxy completes decode and convert of %2 bytes", boost::this_thread::get_id(), _blob.length());
104 MagickImageProxy::add_metadata (xmlpp::Node* node) const
106 node->add_child("Type")->add_child_text (N_("Magick"));
110 MagickImageProxy::send_binary (shared_ptr<Socket> socket) const
112 socket->write (_blob.length ());
113 socket->write ((uint8_t *) _blob.data (), _blob.length ());