1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
/*
Copyright (C) 2014 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 <Magick++.h>
#include "magick_image_proxy.h"
#include "cross.h"
#include "exceptions.h"
#include "util.h"
#include "log.h"
#include "image.h"
#include "log.h"
#include "i18n.h"
#define LOG_TIMING(...) _log->microsecond_log (String::compose (__VA_ARGS__), Log::TYPE_TIMING);
using boost::shared_ptr;
MagickImageProxy::MagickImageProxy (boost::filesystem::path path, shared_ptr<Log> log)
: ImageProxy (log)
{
/* Read the file into a Blob */
boost::uintmax_t const size = boost::filesystem::file_size (path);
FILE* f = fopen_boost (path, "rb");
if (!f) {
throw OpenFileError (path);
}
uint8_t* data = new uint8_t[size];
if (fread (data, 1, size, f) != size) {
delete[] data;
throw ReadFileError (path);
}
fclose (f);
_blob.update (data, size);
delete[] data;
}
MagickImageProxy::MagickImageProxy (shared_ptr<cxml::Node>, shared_ptr<Socket> socket, shared_ptr<Log> log)
: ImageProxy (log)
{
uint32_t const size = socket->read_uint32 ();
uint8_t* data = new uint8_t[size];
socket->read (data, size);
_blob.update (data, size);
delete[] data;
}
shared_ptr<Image>
MagickImageProxy::image () const
{
if (_image) {
return _image;
}
LOG_TIMING ("[%1] MagickImageProxy begins decode and convert of %2 bytes", boost::this_thread::get_id(), _blob.length());
Magick::Image* magick_image = 0;
try {
magick_image = new Magick::Image (_blob);
} catch (...) {
throw DecodeError (_("Could not decode image file"));
}
dcp::Size size (magick_image->columns(), magick_image->rows());
LOG_TIMING ("[%1] MagickImageProxy decode finished", boost::this_thread::get_id ());
_image.reset (new Image (PIX_FMT_RGB24, size, true));
/* Write line-by-line here as _image must be aligned, and write() cannot be told about strides */
uint8_t* p = _image->data()[0];
for (int i = 0; i < size.height; ++i) {
using namespace MagickCore;
magick_image->write (0, i, size.width, 1, "RGB", CharPixel, p);
p += _image->stride()[0];
}
delete magick_image;
LOG_TIMING ("[%1] MagickImageProxy completes decode and convert of %2 bytes", boost::this_thread::get_id(), _blob.length());
return _image;
}
void
MagickImageProxy::add_metadata (xmlpp::Node* node) const
{
node->add_child("Type")->add_child_text (N_("Magick"));
}
void
MagickImageProxy::send_binary (shared_ptr<Socket> socket) const
{
socket->write (_blob.length ());
socket->write ((uint8_t *) _blob.data (), _blob.length ());
}
|
