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authorCarl Hetherington <cth@carlh.net>2013-07-19 16:08:29 +0100
committerCarl Hetherington <cth@carlh.net>2013-07-19 16:08:29 +0100
commitbd453939da140ea994282e1c167ea5f8d02e2d94 (patch)
tree8cdfbacdc9f33f82ab13895a0ed5207fd0bc8fa1 /src/lib/still_image_decoder.cc
parent56506a1993f402fe889a650faa3de2e265632498 (diff)
Spacing tweaks; rename ImageMagick -> StillImage.
Diffstat (limited to 'src/lib/still_image_decoder.cc')
-rw-r--r--src/lib/still_image_decoder.cc87
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 ();
+}