--- /dev/null
- } catch (...) {
- throw DecodeError (_("Could not decode image file"));
+/*
+ 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 std::string;
+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;
++ string error;
+ try {
+ magick_image = new Magick::Image (_blob);
++ } catch (Magick::Exception& e) {
++ error = e.what ();
++ }
++
++ if (!magick_image) {
++ /* ImageMagick cannot auto-detect Targa files, it seems, so try here with an
++ explicit format. I can't find it documented that passing a (0, 0) geometry
++ is allowed, but it seems to work.
++ */
++ try {
++ magick_image = new Magick::Image (_blob, Magick::Geometry (0, 0), "TGA");
++ } catch (...) {
++
++ }
++ }
++
++ if (!magick_image) {
++ /* If we failed both an auto-detect and a forced-Targa we give the error from
++ the auto-detect.
++ */
++ throw DecodeError (String::compose (_("Could not decode image file (%1)"), error));
+ }
+
+ 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 ());
+}