1 /* === S Y N F I G ========================================================= */
2 /*! \file trgt_imagemagick.cpp
3 ** \brief ppm Target Module
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
10 ** This package is free software; you can redistribute it and/or
11 ** modify it under the terms of the GNU General Public License as
12 ** published by the Free Software Foundation; either version 2 of
13 ** the License, or (at your option) any later version.
15 ** This package is distributed in the hope that it will be useful,
16 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ** General Public License for more details.
21 ** === N O T E S ===========================================================
23 ** ========================================================================= */
25 /* === H E A D E R S ======================================================= */
36 #include <ETL/stringf>
37 #include "trgt_imagemagick.h"
46 /* === M A C R O S ========================================================= */
48 using namespace synfig;
52 /* === G L O B A L S ======================================================= */
54 SYNFIG_TARGET_INIT(imagemagick_trgt);
55 SYNFIG_TARGET_SET_NAME(imagemagick_trgt,"imagemagick");
56 SYNFIG_TARGET_SET_EXT(imagemagick_trgt,"miff");
57 SYNFIG_TARGET_SET_VERSION(imagemagick_trgt,"0.1");
58 SYNFIG_TARGET_SET_CVS_ID(imagemagick_trgt,"$Id$");
60 /* === M E T H O D S ======================================================= */
62 imagemagick_trgt::imagemagick_trgt(const char *Filename)
71 imagemagick_trgt::~imagemagick_trgt()
77 delete [] color_buffer;
81 imagemagick_trgt::set_rend_desc(RendDesc *given_desc)
83 if(filename_extension(filename) == ".xpm")
93 imagemagick_trgt::init()
95 imagecount=desc.get_frame_start();
96 if(desc.get_frame_end()-desc.get_frame_start()>0)
100 buffer=new unsigned char[channels(pf)*desc.get_w()];
101 delete [] color_buffer;
102 color_buffer=new Color[desc.get_w()];
107 imagemagick_trgt::end_frame()
120 imagemagick_trgt::start_frame(synfig::ProgressCallback *cb)
126 newfilename = (filename_sans_extension(filename) +
127 etl::strprintf(".%04d",imagecount) +
128 filename_extension(filename));
130 newfilename = filename;
132 command=strprintf("convert -depth 8 -size %dx%d rgb%s:-[0] -density %dx%d \"%s\"\n",
133 desc.get_w(), desc.get_h(), // size
134 ((channels(pf) == 4) ? "a" : ""), // rgba or rgb?
135 round_to_int(desc.get_x_res()/39.3700787402), // density
136 round_to_int(desc.get_y_res()/39.3700787402),
137 newfilename.c_str());
139 file=popen(command.c_str(),POPEN_BINARY_WRITE_TYPE);
143 const char *msg=_("Unable to open pipe to imagemagick's convert utility");
144 if(cb)cb->error(N_(msg));
145 else synfig::error(N_(msg));
155 imagemagick_trgt::start_scanline(int /*scanline*/)
161 imagemagick_trgt::end_scanline(void)
166 convert_color_format(buffer, color_buffer, desc.get_w(), pf, gamma());
168 if(!fwrite(buffer,channels(pf),desc.get_w(),file))