Added new module 'mod_magickpp' for rendering multiple images to a single file using...

[synfig.git] / synfig-core / trunk / src / modules / mod_magickpp / trgt_magickpp.cpp

diff --git a/synfig-core/trunk/src/modules/mod_magickpp/trgt_magickpp.cpp b/synfig-core/trunk/src/modules/mod_magickpp/trgt_magickpp.cpp
new file mode 100644 (file)
index 0000000..68ce3df
--- /dev/null
+++ b/synfig-core/trunk/src/modules/mod_magickpp/trgt_magickpp.cpp
@@ -0,0 +1,153 @@
+/* === S Y N F I G ========================================================= */
+/*!    \file trgt_magickpp.cpp
+**     \brief Magick++ Target Module
+**
+**     $Id$
+**
+**     \legal
+**     Copyright 2007 Chris Moore
+**
+**     This package 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 package 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.
+**     \endlegal
+**
+** === N O T E S ===========================================================
+**
+** ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#define SYNFIG_TARGET
+
+#ifdef USING_PCH
+#      include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+#      include <config.h>
+#endif
+
+#include <ETL/misc>
+#include "trgt_magickpp.h"
+
+#endif
+
+/* === M A C R O S ========================================================= */
+
+using namespace synfig;
+using namespace std;
+using namespace etl;
+
+/* === G L O B A L S ======================================================= */
+
+SYNFIG_TARGET_INIT(magickpp_trgt);
+SYNFIG_TARGET_SET_NAME(magickpp_trgt,"magick++");
+SYNFIG_TARGET_SET_EXT(magickpp_trgt,"gif");
+SYNFIG_TARGET_SET_VERSION(magickpp_trgt,"0.1");
+SYNFIG_TARGET_SET_CVS_ID(magickpp_trgt,"$Id$");
+
+/* === M E T H O D S ======================================================= */
+
+magickpp_trgt::~magickpp_trgt()
+{
+       MagickLib::ExceptionInfo exceptionInfo;
+       MagickLib::GetExceptionInfo(&exceptionInfo);
+
+       // check whether this file format supports multiple-image files
+       Magick::Image image(*(images.begin()));
+       image.fileName(filename);
+       SetImageInfo(image.imageInfo(),Magick::MagickTrue,&exceptionInfo);
+
+       // the file type is now in image.imageInfo()->magick and
+       // image.adjoin() tells us whether we can write to a single file
+       if (image.adjoin())
+       {
+               unsigned int delay = round_to_int(100.0 / desc.get_frame_rate());
+               for_each(images.begin(), images.end(), Magick::animationDelayImage(delay));
+
+               // if we can write multiple images to a single file, optimize
+               // the images (only write the pixels that change from frame to
+               // frame
+#ifdef HAVE_MAGICK_OPTIMIZE
+               linkImages(images.begin(), images.end());
+               OptimizeImageTransparency(images.begin()->image(),&exceptionInfo);
+               unlinkImages(images.begin(), images.end());
+#else
+               // linkImages(images.begin(), images.end());
+               // MagickLib::Image* new_images = DeconstructImages(images.begin()->image(),&exceptionInfo);
+               // unlinkImages(images.begin(), images.end());
+               // images.clear();
+               // insertImages(&images, new_images);
+#endif
+       }
+       else
+               // if we can't write multiple images to a file of this type,
+               // include '%04d' in the filename, so the files will be numbered
+               // with a fixed width, '0'-padded number
+               filename = (filename_sans_extension(filename) + ".%04d" + filename_extension(filename));
+
+       Magick::writeImages(images.begin(), images.end(), filename);
+
+       if (buffer != NULL) delete [] buffer;
+       if (color_buffer != NULL) delete [] color_buffer;
+}
+
+bool
+magickpp_trgt::set_rend_desc(RendDesc *given_desc)
+{
+       desc = *given_desc;
+       return true;
+}
+
+bool
+magickpp_trgt::init()
+{
+       width = desc.get_w();
+       height = desc.get_h();
+
+       buffer = new unsigned char[4*width*height];
+       if (buffer == NULL)
+               return false;
+
+       color_buffer = new Color[width];
+       if (color_buffer == NULL)
+       {
+               delete [] buffer;
+               return false;
+       }
+
+       return true;
+}
+
+void
+magickpp_trgt::end_frame()
+{
+       Magick::Image image(width, height, "RGBA", Magick::CharPixel, buffer);
+       images.push_back(image);
+}
+
+bool
+magickpp_trgt::start_frame(synfig::ProgressCallback *callback)
+{
+       row = 0;
+       return true;
+}
+
+Color*
+magickpp_trgt::start_scanline(int scanline)
+{
+       return color_buffer;
+}
+
+bool
+magickpp_trgt::end_scanline()
+{
+       convert_color_format(buffer + row++ * width*4, color_buffer, width, PF_RGB|PF_A, gamma());
+       return true;
+}