-/*! ========================================================================
-** Sinfg
-** ppm Target Module
-** $Id: mptr_png.cpp,v 1.1.1.1 2005/01/04 01:23:14 darco Exp $
+/* === S Y N F I G ========================================================= */
+/*! \file mptr_png.cpp
+** \brief ppm Target Module
**
-** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**
-** This software and associated documentation
-** are CONFIDENTIAL and PROPRIETARY property of
-** the above-mentioned copyright holder.
+** 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.
**
-** You may not copy, print, publish, or in any
-** other way distribute this software without
-** a prior written agreement with
-** the copyright holder.
+** 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 ===========================================================
**
#endif
#include "mptr_png.h"
-#include <sinfg/importer.h>
-#include <sinfg/time.h>
-#include <sinfg/general.h>
+#include <synfig/importer.h>
+#include <synfig/time.h>
+#include <synfig/general.h>
#include <cstdio>
/* === M A C R O S ========================================================= */
-using namespace sinfg;
+using namespace synfig;
using namespace std;
using namespace etl;
/* === G L O B A L S ======================================================= */
-SINFG_IMPORTER_INIT(png_mptr);
-SINFG_IMPORTER_SET_NAME(png_mptr,"png_mptr");
-SINFG_IMPORTER_SET_EXT(png_mptr,"png");
-SINFG_IMPORTER_SET_VERSION(png_mptr,"0.1");
-SINFG_IMPORTER_SET_CVS_ID(png_mptr,"$Id: mptr_png.cpp,v 1.1.1.1 2005/01/04 01:23:14 darco Exp $");
+SYNFIG_IMPORTER_INIT(png_mptr);
+SYNFIG_IMPORTER_SET_NAME(png_mptr,"png");
+SYNFIG_IMPORTER_SET_EXT(png_mptr,"png");
+SYNFIG_IMPORTER_SET_VERSION(png_mptr,"0.1");
+SYNFIG_IMPORTER_SET_CVS_ID(png_mptr,"$Id$");
/* === M E T H O D S ======================================================= */
png_mptr::png_out_error(png_struct *png_data,const char *msg)
{
//png_mptr *me=(png_mptr*)png_data->error_ptr;
- sinfg::error(strprintf("png_mptr: error: %s",msg));
+ synfig::error(strprintf("png_mptr: error: %s",msg));
//me->ready=false;
}
png_mptr::png_out_warning(png_struct *png_data,const char *msg)
{
//png_mptr *me=(png_mptr*)png_data->error_ptr;
- sinfg::warning(strprintf("png_mptr: warning: %s",msg));
+ synfig::warning(strprintf("png_mptr: warning: %s",msg));
//me->ready=false;
}
//png_size_t size;
/* Note that libpng has already taken care of
the CRC handling */
-
+
/* put your code here. Return one of the
following: */
-
+
//return (-n); /* chunk had an error */
return (0); /* did not recognize */
//return (n); /* success */
png_mptr::png_mptr(const char *file_name)
{
filename=file_name;
-
+
/* Open the file pointer */
FILE *file = fopen(file_name, "rb");
if (!file)
throw strprintf("Unable to physically open %s",file_name);
return;
}
-
-
+
+
/* Make sure we are dealing with a PNG format file */
png_byte header[PNG_CHECK_BYTES];
fread(header, 1, PNG_CHECK_BYTES, file);
throw strprintf("This (\"%s\") doesn't appear to be a PNG file",file_name);
return;
}
-
-
+
+
png_structp png_ptr = png_create_read_struct
(PNG_LIBPNG_VER_STRING, (png_voidp)this,
&png_mptr::png_out_error, &png_mptr::png_out_warning);
return;
}
-
-
+
+
png_init_io(png_ptr, file);
png_set_sig_bytes(png_ptr,PNG_CHECK_BYTES);
double fgamma;
if (png_get_gAMA(png_ptr, info_ptr, &fgamma))
{
- sinfg::info("PNG: Image gamma is %f",fgamma);
+ synfig::info("PNG: Image gamma is %f",fgamma);
png_set_gamma(png_ptr, gamma().get_gamma(), fgamma);
}
-
-
+
+
/*
if (setjmp(png_jmpbuf(png_ptr)))
{
- sinfg::error("Unable to setup longjump");
+ synfig::error("Unable to setup longjump");
png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
fclose(file);
//! \todo THROW SOMETHING
return;
}
*/
-
+
png_set_read_user_chunk_fn(png_ptr, this, &png_mptr::read_chunk_callback);
-
-
+
+
png_read_png(png_ptr, info_ptr, PNG_TRANSFORM_PACKING|PNG_TRANSFORM_STRIP_16, NULL);
int bit_depth,color_type,interlace_type, compression_type,filter_method;
png_uint_32 width,height;
-
+
png_get_IHDR(png_ptr, info_ptr, &width, &height,
&bit_depth, &color_type, &interlace_type,
&compression_type, &filter_method);
-
+
png_bytep *row_pointers=new png_bytep[height];
row_pointers = png_get_rows(png_ptr, info_ptr);
int x;
*/
}
break;
-
+
case PNG_COLOR_TYPE_RGB_ALPHA:
DEBUGPOINT();
for(y=0;y<surface_buffer.get_h();y++)
*/
}
break;
-
+
case PNG_COLOR_TYPE_GRAY:
for(y=0;y<surface_buffer.get_h();y++)
for(x=0;x<surface_buffer.get_w();x++)
break;
case PNG_COLOR_TYPE_PALETTE:
- sinfg::warning("png_mptr: Paletted PNGs aren't yet fully supported.");
+ synfig::warning("png_mptr: Paletted PNGs aren't yet fully supported.");
for(y=0;y<surface_buffer.get_h();y++)
for(x=0;x<surface_buffer.get_w();x++)
{
}
break;
default:
- sinfg::error("png_mptr: error: Unsupported color type");
+ synfig::error("png_mptr: error: Unsupported color type");
//! \todo THROW SOMETHING
throw String("error on importer construction, *WRITEME*6");
return;
}
DEBUGPOINT();
-
+
// \fixme These shouldn't be uncommented, but for some
// reason, they crash the program. I will have to look into this
// later. This is a memory leak, but it shouldn't be too bad.
-
+
/*
png_read_end(png_ptr, end_info);
png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
}
bool
-png_mptr::get_frame(sinfg::Surface &surface,Time, sinfg::ProgressCallback *cb)
+png_mptr::get_frame(synfig::Surface &surface,Time, synfig::ProgressCallback *cb)
{
surface.mirror(surface_buffer);
// surface=surface_buffer;
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