netsurf/image/image.c
Vincent Sanders b051cf466f Add Image cache and inegrate png and jpeg content handlers
Current periodic cache clean algorithm is poor and requires replacing with something suitable (probably a segregated LRU)
The speculative load algorithm is likewise poor and only uses the image size to make a decision.

svn path=/trunk/netsurf/; revision=12720
2011-09-04 23:50:14 +00:00

172 lines
3.0 KiB
C

/*
* Copyright 2011 John-Mark Bell <jmb@netsurf-browser.org>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf 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; version 2 of the License.
*
* NetSurf 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, see <http://www.gnu.org/licenses/>.
*/
#include <assert.h>
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include "utils/errors.h"
#include "image/image.h"
#include "image/image_cache.h"
#include "image/bmp.h"
#include "image/gif.h"
#include "image/ico.h"
#include "image/jpeg.h"
#include "image/mng.h"
#include "image/nssprite.h"
#include "image/png.h"
#include "image/rsvg.h"
#include "image/svg.h"
#include "image/webp.h"
#include "utils/config.h"
/**
* Initialise image content handlers
*
* \return NSERROR_OK on success, appropriate error otherwise.
*/
nserror image_init(void)
{
nserror error;
error = image_cache_init();
if (error != NSERROR_OK)
return error;
#ifdef WITH_BMP
error = nsbmp_init();
if (error != NSERROR_OK)
return error;
#endif
#ifdef WITH_GIF
error = nsgif_init();
if (error != NSERROR_OK)
return error;
#endif
#ifdef WITH_BMP
error = nsico_init();
if (error != NSERROR_OK)
return error;
#endif
#ifdef WITH_JPEG
error = nsjpeg_init();
if (error != NSERROR_OK)
return error;
#endif
#ifdef WITH_MNG
error = nsmng_init();
if (error != NSERROR_OK)
return error;
error = nsjpng_init();
if (error != NSERROR_OK)
return error;
#endif
#ifdef WITH_PNG
/* Prefer libpng over libmng for pngs by registering later */
error = nspng_init();
if (error != NSERROR_OK)
return error;
#endif
#ifdef WITH_NSSPRITE
error = nssprite_init();
if (error != NSERROR_OK)
return error;
#endif
/* Prefer rsvg over libsvgtiny for svgs */
#ifdef WITH_NS_SVG
error = svg_init();
if (error != NSERROR_OK)
return error;
#endif
#ifdef WITH_RSVG
error = nsrsvg_init();
if (error != NSERROR_OK)
return error;
#endif
#ifdef WITH_WEBP
error = webp_init();
if (error != NSERROR_OK)
return error;
#endif /* WITH_WEBP */
return NSERROR_OK;
}
/**
* Finalise image content handlers
*/
void image_fini(void)
{
#ifdef WITH_BMP
nsbmp_fini();
#endif
#ifdef WITH_GIF
nsgif_fini();
#endif
#ifdef WITH_BMP
nsico_fini();
#endif
#ifdef WITH_JPEG
nsjpeg_fini();
#endif
#ifdef WITH_MNG
nsmng_fini();
nsjpng_fini();
#endif
#ifdef WITH_NSSPRITE
nssprite_fini();
#endif
#ifdef WITH_PNG
nspng_fini();
#endif
#ifdef WITH_RSVG
nsrsvg_fini();
#endif
#ifdef WITH_NS_SVG
svg_fini();
#endif
#ifdef WITH_WEBP
webp_fini();
#endif
/* dump any remaining cache entries */
image_cache_fini();
}