1 /* === S Y N F I G ========================================================= */
3 ** \brief Template Header
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 /* === S T A R T =========================================================== */
27 #ifndef __SYNFIG_MPTR_PNG_H
28 #define __SYNFIG_MPTR_PNG_H
30 /* === H E A D E R S ======================================================= */
32 #include <synfig/importer.h>
33 #include <synfig/string.h>
34 #include <synfig/surface.h>
37 /* === M A C R O S ========================================================= */
39 /* === T Y P E D E F S ===================================================== */
41 /* === C L A S S E S & S T R U C T S ======================================= */
43 class png_mptr : public synfig::Importer
45 SYNFIG_IMPORTER_MODULE_EXT
47 synfig::String filename;
48 synfig::Surface surface_buffer;
55 unsigned int orig_width, orig_height, trimmed_x, trimmed_y;
57 static void png_out_error(png_struct *png_data,const char *msg);
58 static void png_out_warning(png_struct *png_data,const char *msg);
59 static int read_chunk_callback(png_struct *png_data, png_unknown_chunkp chunk);
62 png_mptr(const char *filename);
65 virtual bool get_frame(synfig::Surface &surface,synfig::Time time, synfig::ProgressCallback *callback);
66 virtual bool get_frame(synfig::Surface &surface,synfig::Time time,
67 bool &trimmed, unsigned int &width, unsigned int &height, unsigned int &top, unsigned int &left,
68 synfig::ProgressCallback *callback);
71 /* === E N D =============================================================== */